b3cf2a45a78bc80eb6928f70f87e14418503c27c
[platform/core/connectivity/bluetooth-agent.git] / hf-agent / bluetooth-hf-agent.c
1 /*
2  * Bluetooth-hf-agent
3  *
4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
5  *
6  * Contact:     Hocheol Seo <hocheol.seo@samsung.com>
7  *              Chethan T N <chethan.tn@samsung.com>
8  *              Chanyeol Park <chanyeol.park@samsung.com>
9  *
10  * Licensed under the Apache License, Version 2.0 (the "License");
11  * you may not use this file except in compliance with the License.
12  * You may obtain a copy of the License at
13  *
14  *              http://www.apache.org/licenses/LICENSE-2.0
15  *
16  * Unless required by applicable law or agreed to in writing, software
17  * distributed under the License is distributed on an "AS IS" BASIS,
18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  * See the License for the specific language governing permissions and
20  * limitations under the License.
21  *
22  */
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <unistd.h>
27 #include <glib.h>
28 #include <signal.h>
29 #include <fcntl.h>
30 #include <inttypes.h>
31 #include <sys/socket.h>
32 #include <sys/poll.h>
33 #include <aul.h>
34 #include <gio/gio.h>
35 #include <gio/gunixfdlist.h>
36 #include <device/power.h>
37 #include <app_manager.h>
38 #include <vconf.h>
39 #include <vconf-keys.h>
40 #include <bundle_internal.h>
41
42 #include "bluetooth-hf-agent.h"
43
44 #define BT_AGENT_SYSPOPUP_MAX_ATTEMPT 3
45 #define CALL_APP_ID "org.tizen.call-ui"
46
47 #define MAX_WAITING_DELAY 8
48 #define READ_TX_POWER_MIN -30
49
50 #define BT_ADDRESS_STRING_SIZE 18
51 #define BT_AT_COMMAND_BUFFER_MAX 4000
52 #define BT_HF_ERROR_RESP "\r\nERROR\r\n"
53 #define BT_HF_COMMAND_TIMEOUT 3
54
55 #define ret_if(expr) \
56         do { \
57                 if (expr) { \
58                         ERR("(%s) return", #expr); \
59                         return; \
60                 } \
61         } while (0)
62
63 static GMainLoop *gmain_loop = NULL;
64 static char *g_obj_path;
65
66 static GDBusConnection *gdbus_conn;
67 static GDBusProxy *service_gproxy;
68 static int owner_sig_id = -1;
69 int g_id = 0;
70 uint16_t hf_ver;
71
72 #define HFP_HF_UUID "0000111e-0000-1000-8000-00805f9b34fb"
73 #define DEFAULT_ADAPTER_OBJECT_PATH "/org/bluez/hci0"
74
75 /*Below Inrospection data is exposed to bluez from agent*/
76 static const gchar hf_agent_bluez_introspection_xml[] =
77 "<node name='/'>"
78 "       <interface name='org.bluez.Profile1'>"
79 "               <method name='NewConnection'>"
80 "                       <arg type='o' name='device' direction='in'/>"
81 "                       <arg type='h' name='fd' direction='in'/>"
82 "                       <arg type='a{sv}' name='options' direction='in'/>"
83 "               </method>"
84 "               <method name='RequestDisconnection'>"
85 "                       <arg type='o' name='device' direction='in'/>"
86 "               </method>"
87 "       </interface>"
88 "</node>";
89
90 /*Below Inrospection data is exposed to application from agent*/
91 static const gchar hf_agent_introspection_xml[] =
92 "<node name='/'>"
93 " <interface name='org.tizen.HfApp'>"
94 "               <method name='AnswerCall'>"
95 "                </method>"
96 "                <method name='TerminateCall'>"
97 "                </method>"
98 "                <method name='InitiateCall'>"
99 "                        <arg type='s' name='phoneno' direction='in'/>"
100 "                </method>"
101 "                <method name='VoiceRecognition'>"
102 "                        <arg type='i' name='status' direction='in'/>"
103 "                </method>"
104 "                <method name='ScoDisconnect'>"
105 "                </method>"
106 "                <method name='SpeakerGain'>"
107 "                        <arg type='u' name='gain' direction='in'/>"
108 "                </method>"
109 "                <method name='SendDtmf'>"
110 "                        <arg type='s' name='dtmf' direction='in'/>"
111 "                </method>"
112 "                <method name='SendAtCmd'>"
113 "                        <arg type='s' name='atcmd' direction='in'/>"
114 "                </method>"
115 "                <method name='ReleaseAndAccept'>"
116 "                </method>"
117 "                <method name='CallSwap'>"
118 "                </method>"
119 "                <method name='ReleaseAllCall'>"
120 "                </method>"
121 "                <method name='JoinCall'>"
122 "                </method>"
123 "                <method name='GetCurrentCodec'>"
124 "                       <arg type='i' name='codec' direction='out'/>"
125 "                </method>"
126 "                <method name='RequestCallList'>"
127 "                       <arg type='i' name='count' direction='out'/>"
128 "                       <arg type='a(siiii)' name='callList' direction='out'/>"
129 "                </method>"
130 "                <method name='GetAudioConnected'>"
131 "                       <arg type='i' name='status' direction='out'/>"
132 "                </method>"
133 "                <method name='IsHfConnected'>"
134 "                       <arg type='b' name='status' direction='out'/>"
135 "                </method>"
136 " </interface>"
137 "</node>";
138
139 static bt_hf_agent_info_t bt_hf_info;
140 static gboolean is_hf_connected = FALSE;
141 static int32_t current_codec_id = BT_HF_CODEC_ID_CVSD;
142 static int32_t sco_audio_connected = BT_HF_AUDIO_DISCONNECTED;
143
144 static char global_buff[BT_AT_COMMAND_BUFFER_MAX] = {0,};
145 int send_flag;
146
147 static char prev_cmd[BT_HF_CMD_BUF_SIZE];
148
149 typedef struct {
150         int idx;
151         int dir;
152         int status;
153         int mode;
154         int multi_party;
155         int type;
156         char *number;
157 } hf_call_list_info_t;
158
159 static GError *__bt_hf_agent_set_error(bt_hf_agent_error_t error);
160
161 static gboolean __bt_hf_agent_emit_property_changed(
162                                 GDBusConnection *connection,
163                                 const char *path,
164                                 const char *interface,
165                                 const char *name,
166                                 GVariant *property);
167
168 static gboolean __bt_hf_agent_data_cb(GIOChannel *chan, GIOCondition cond,
169                                         bt_hf_agent_info_t *bt_hf_info);
170 static void __bt_hf_agent_stop_watch(bt_hf_agent_info_t *bt_hf_info);
171 static void __bt_hf_agent_start_watch(bt_hf_agent_info_t *bt_hf_info);
172 static gboolean __bt_hf_channel_write(GIOChannel *io, gchar *data,
173                                         gsize count);
174 static gboolean __bt_hf_send_only_without_queue(bt_hf_agent_info_t *bt_hf_info,
175                                                 gchar *data, gsize count);
176
177 static gboolean __bt_hf_send_only(bt_hf_agent_info_t *bt_hf_info, gchar *data,
178                                         gsize count);
179 static gboolean __bt_hf_send_and_read(bt_hf_agent_info_t *bt_hf_info,
180                                 gchar *data, gchar *response, gsize count);
181 static GSList *__bt_hf_parse_indicator_names(gchar *names, GSList *indies);
182 static GSList *__bt_hf_parse_indicator_values(gchar *values, GSList *indies);
183 static guint __bt_hf_get_hold_mpty_features(gchar *features);
184 static gboolean __bt_establish_service_level_conn(bt_hf_agent_info_t *bt_hf_info);
185 static void __bt_hf_agent_sigterm_handler(int signo);
186 static gboolean __bt_hf_agent_release(void);
187
188 static gboolean __bt_get_current_indicators(bt_hf_agent_info_t *bt_hf_info);
189 static gboolean __bt_get_supported_indicators(bt_hf_agent_info_t *bt_hf_info);
190 static gboolean __bt_hf_agent_connection(gint32 fd, const gchar * object_path);
191 static gboolean __bt_hf_agent_connection_release(void);
192
193 struct indicator {
194         gchar descr[BT_HF_INDICATOR_DESCR_SIZE];
195         gint value;
196 };
197
198 static int _hf_agent_answer_call(GDBusMethodInvocation *context);
199
200 static int _hf_agent_terminate_call(GDBusMethodInvocation *context);
201
202 static int _hf_agent_dial_no(GDBusMethodInvocation *context, char *no);
203
204 static int _hf_agent_set_speaker_gain(GDBusMethodInvocation *context,
205                                                         unsigned int gain);
206
207 static int _hf_agent_send_3way_cmd(GDBusMethodInvocation *context, char *cmd);
208
209 static int _hf_agent_voice_recognition(GDBusMethodInvocation *context,
210                                                         unsigned int status);
211
212 static gboolean bt_hf_agent_sco_disconnect(void);
213
214 static int _hf_agent_send_dtmf(GDBusMethodInvocation *context, char *dtmf);
215
216 static GVariant *bt_hf_agent_request_call_list(void);
217
218 static int bt_hf_agent_send_at_cmd(GDBusMethodInvocation *context, char *atcmd);
219
220 static int hf_handle_rx_at_cmd(bt_hf_agent_info_t *bt_hf_info, const char *buf);
221 static GQuark __bt_hf_agent_error_quark(void)
222 {
223         DBG("");
224
225         static GQuark quark = 0;
226         if (!quark)
227                 quark = g_quark_from_static_string("hf-agent");
228
229         return quark;
230 }
231
232 static GError *__bt_hf_agent_set_error(bt_hf_agent_error_t error)
233 {
234         ERR("error[%d]", error);
235
236         switch (error) {
237         case BT_HF_AGENT_ERROR_NOT_AVAILABLE:
238                 return g_error_new(BT_HF_AGENT_ERROR, error,
239                                         BT_ERROR_NOT_AVAILABLE);
240         case BT_HF_AGENT_ERROR_NOT_CONNECTED:
241                 return g_error_new(BT_HF_AGENT_ERROR, error,
242                                         BT_ERROR_NOT_CONNECTED);
243         case BT_HF_AGENT_ERROR_CONNECTION_FAILED:
244                 return g_error_new(BT_HF_AGENT_ERROR, error,
245                                         BT_ERROR_NOT_CONNECTION_FAILED);
246         case BT_HF_AGENT_ERROR_BUSY:
247                 return g_error_new(BT_HF_AGENT_ERROR, error,
248                                         BT_ERROR_BUSY);
249         case BT_HF_AGENT_ERROR_INVALID_PARAM:
250                 return g_error_new(BT_HF_AGENT_ERROR, error,
251                                         BT_ERROR_INVALID_PARAM);
252         case BT_HF_AGENT_ERROR_ALREADY_EXIST:
253                 return g_error_new(BT_HF_AGENT_ERROR, error,
254                                         BT_ERROR_ALREADY_EXIST);
255         case BT_HF_AGENT_ERROR_ALREADY_CONNECTED:
256                 return g_error_new(BT_HF_AGENT_ERROR, error,
257                                         BT_ERROR_ALREADY_CONNECTED);
258         case BT_HF_AGENT_ERROR_NO_MEMORY:
259                 return g_error_new(BT_HF_AGENT_ERROR, error,
260                                         BT_ERROR_NO_MEMORY);
261         case BT_HF_AGENT_ERROR_I_O_ERROR:
262                 return g_error_new(BT_HF_AGENT_ERROR, error,
263                                         BT_ERROR_I_O_ERROR);
264         case BT_HF_AGENT_ERROR_APPLICATION:
265                 return g_error_new(BT_HF_AGENT_ERROR, error,
266                                         BT_ERROR_OPERATION_NOT_AVAILABLE);
267         case BT_HF_AGENT_ERROR_NOT_ALLOWED:
268                 return g_error_new(BT_HF_AGENT_ERROR, error,
269                                         BT_ERROR_OPERATION_NOT_ALLOWED);
270         case BT_HF_AGENT_ERROR_NOT_SUPPORTED:
271                 return g_error_new(BT_HF_AGENT_ERROR, error,
272                                         BT_ERROR_OPERATION_NOT_SUPPORTED);
273         case BT_HF_AGENT_ERROR_INVALID_FILE_DESCRIPTOR:
274                 return g_error_new(BT_HF_AGENT_ERROR, error,
275                                         BT_ERROR_INVALID_FILE_DESCRIPTOR);
276         case BT_HF_AGENT_ERROR_INTERNAL:
277         default:
278                 return g_error_new(BT_HF_AGENT_ERROR, error,
279                                                 BT_ERROR_INTERNAL);
280         }
281 }
282
283 static void __bt_hf_lock_display(int timeout)
284 {
285         int ret;
286
287         ret = device_power_request_lock(POWER_LOCK_DISPLAY, timeout);
288         if (ret >= 0)
289                 DBG("Lock PM state as current state!");
290         else
291                 ERR("deviced error!");
292 }
293
294 static void __bt_hf_unlock_display()
295 {
296         int ret;
297
298         ret = device_power_release_lock(POWER_LOCK_DISPLAY);
299         if (ret >= 0)
300                 DBG("UnLock PM state");
301         else
302                 ERR("deviced error!");
303 }
304
305 static void __hf_agent_method(GDBusConnection *connection,
306                             const gchar *sender,
307                             const gchar *object_path,
308                             const gchar *interface_name,
309                             const gchar *method_name,
310                             GVariant *parameters,
311                             GDBusMethodInvocation *context,
312                             gpointer user_data)
313 {
314         DBG("+");
315
316         INFO("method %s", method_name);
317         int ret = 0;
318         GError *err;
319
320         if (g_strcmp0(method_name, "NewConnection") == 0) {
321                 gint32 fd;
322                 int index;
323                 GDBusMessage *msg;
324                 GUnixFDList *fd_list;
325                 const gchar *object_path;
326                 GVariant *options;
327
328                 g_variant_get(parameters, "(oha{sv})",
329                         &object_path, &index, &options);
330
331                 msg = g_dbus_method_invocation_get_message(context);
332                 fd_list = g_dbus_message_get_unix_fd_list(msg);
333                 if (fd_list == NULL) {
334                         ret = BT_HF_AGENT_ERROR_INVALID_FILE_DESCRIPTOR;
335                         goto fail;
336                 }
337
338                 fd = g_unix_fd_list_get(fd_list, index, NULL);
339                 if (fd == -1) {
340                         ret = BT_HF_AGENT_ERROR_INVALID_FILE_DESCRIPTOR;
341                         goto fail;
342                 }
343
344                 DBG("FD is = [%d], Object path = [%s]", fd, object_path);
345
346                 if (!__bt_hf_agent_connection(fd, object_path)) {
347                         ret = BT_HF_AGENT_ERROR_INTERNAL;
348                         goto fail;
349                 }
350
351                 g_dbus_method_invocation_return_value(context, NULL);
352         } else if (g_strcmp0(method_name, "RequestDisconnection") == 0) {
353                 if (!__bt_hf_agent_connection_release()) {
354                         ret = BT_HF_AGENT_ERROR_INTERNAL;
355                         goto fail;
356                 }
357                 INFO_C("Disconnected [HF role] [Terminated by local host]");
358                 g_dbus_method_invocation_return_value(context, NULL);
359         } else if (g_strcmp0(method_name, "Release") == 0) {
360                 if (!__bt_hf_agent_connection_release()) {
361                         ret = BT_HF_AGENT_ERROR_INTERNAL;
362                         goto fail;
363                 }
364
365                 g_dbus_method_invocation_return_value(context, NULL);
366         } else if (g_strcmp0(method_name, "AnswerCall") == 0) {
367                 DBG("Going to call AnswerCall");
368                 ret = _hf_agent_answer_call(context);
369                 if (ret)
370                         goto fail;
371
372         } else if (g_strcmp0(method_name, "TerminateCall") == 0) {
373                 DBG("Going to call TerminateCall");
374                 ret = _hf_agent_terminate_call(context);
375                 if (ret)
376                         goto fail;
377
378         } else if (g_strcmp0(method_name, "InitiateCall") == 0) {
379                 char *phoneno = NULL;
380
381                 g_variant_get(parameters, "(&s)", &phoneno);
382
383                 DBG_SECURE("Going to call InitiateCall, Number is = [%s]\n", phoneno);
384                 ret = _hf_agent_dial_no(NULL, phoneno);
385                 if (ret)
386                         goto fail;
387
388                 g_dbus_method_invocation_return_value(context, NULL);
389
390         } else if (g_strcmp0(method_name, "VoiceRecognition") == 0) {
391                 int status = 0;
392
393                 g_variant_get(parameters, "(i)", &status);
394
395                 DBG("Going to call VoiceRecognition, Status [%d]", status);
396                 ret = _hf_agent_voice_recognition(context, status);
397                 if (ret)
398                         goto fail;
399
400         } else if (g_strcmp0(method_name, "ScoDisconnect") == 0) {
401                 DBG("Going to call ScoDisconnect");
402                 if (!bt_hf_agent_sco_disconnect()) {
403                         ret = BT_HF_AGENT_ERROR_INTERNAL;
404                         goto fail;
405                 }
406
407                 g_dbus_method_invocation_return_value(context, NULL);
408         } else if (g_strcmp0(method_name, "SpeakerGain") == 0) {
409                 unsigned int gain = 0;
410
411                 g_variant_get(parameters, "(u)", &gain);
412
413                 DBG("Going to call SpeakerGain, gain is = [%d]\n", gain);
414                 ret = _hf_agent_set_speaker_gain(context, gain);
415                 if (ret)
416                         goto fail;
417
418         } else if (g_strcmp0(method_name, "SendDtmf") == 0) {
419                 char *dtmf = NULL;
420
421                 g_variant_get(parameters, "(&s)", &dtmf);
422
423                 DBG("Going to call SendDtmf, dtmf is = [%s]\n", dtmf);
424                 ret = _hf_agent_send_dtmf(NULL, dtmf);
425                 if (ret)
426                         goto fail;
427                 g_dbus_method_invocation_return_value(context, NULL);
428
429         } else if (g_strcmp0(method_name, "SendAtCmd") == 0) {
430                 char *cmd = NULL;
431
432                 g_variant_get(parameters, "(&s)", &cmd);
433
434                 DBG("Going to call SendAtCmd, cmd is = [%s]\n", cmd);
435                 ret = bt_hf_agent_send_at_cmd(context, cmd);
436                 if (ret)
437                         goto fail;
438
439         } else if (g_strcmp0(method_name, "ReleaseAndAccept") == 0) {
440                 DBG("Going to call ReleaseAndAccept");
441                 ret = _hf_agent_send_3way_cmd(context,
442                                                 BT_HF_RELEASE_AND_ACCEPT);
443                 if (ret)
444                         goto fail;
445
446         } else if (g_strcmp0(method_name, "CallSwap") == 0) {
447                 DBG("Going to call CallSwap");
448                 ret = _hf_agent_send_3way_cmd(context,
449                                                         BT_HF_ACCEPT_AND_HOLD);
450                 if (ret)
451                         goto fail;
452
453         } else if (g_strcmp0(method_name, "ReleaseAllCall") == 0) {
454                 DBG("Going to call ReleaseAllCall");
455                 ret = _hf_agent_send_3way_cmd(context, BT_HF_RELEASE_ALL);
456                 if (ret)
457                         goto fail;
458
459         } else if (g_strcmp0(method_name, "JoinCall") == 0) {
460                 DBG("Going to call JoinCall");
461                 ret = _hf_agent_send_3way_cmd(context, BT_HF_JOIN_CALL);
462                 if (ret)
463                         goto fail;
464
465         } else if (g_strcmp0(method_name, "GetCurrentCodec") == 0) {
466                 DBG("Going to call GetCurrentCodec");
467                 INFO("Current codec : %d", current_codec_id);
468                 g_dbus_method_invocation_return_value(context,
469                                 g_variant_new("(i)", current_codec_id));
470         } else if (g_strcmp0(method_name, "RequestCallList") == 0) {
471                 GVariant *call_var;
472
473                 DBG("Going to call RequestCallList");
474                 call_var = bt_hf_agent_request_call_list();
475                 if (!call_var) {
476                         ret = BT_HF_AGENT_ERROR_NOT_AVAILABLE;
477                         goto fail;
478                 }
479                 g_dbus_method_invocation_return_value(context, call_var);
480         } else if (g_strcmp0(method_name, "GetAudioConnected") == 0) {
481                 DBG("Going to call GetAudioConnected");
482                 g_dbus_method_invocation_return_value(context,
483                                 g_variant_new("(i)", sco_audio_connected));
484         } else if (g_strcmp0(method_name, "IsHfConnected") == 0) {
485                 DBG("Going to call IsHfConnected");
486                 INFO("is_hf_connected : %s", is_hf_connected ? "Connected" : "Disconnected");
487
488                 g_dbus_method_invocation_return_value(context,
489                                 g_variant_new("(b)", is_hf_connected));
490         }
491         INFO("-");
492         return;
493
494 fail:
495         err = __bt_hf_agent_set_error(ret);
496         g_dbus_method_invocation_return_gerror(context, err);
497         g_error_free(err);
498         INFO("-");
499 }
500
501 static const GDBusInterfaceVTable method_table = {
502         __hf_agent_method,
503         NULL,
504         NULL,
505 };
506
507 static GDBusNodeInfo *__bt_hf_create_method_node_info
508                                         (const gchar *introspection_data)
509 {
510         if (introspection_data == NULL)
511                 return NULL;
512
513         return g_dbus_node_info_new_for_xml(introspection_data, NULL);
514 }
515
516 static GDBusConnection *__bt_hf_get_gdbus_connection(void)
517 {
518         GDBusConnection *local_system_gconn = NULL;
519         GError *err = NULL;
520
521         if (gdbus_conn == NULL) {
522                 gdbus_conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
523                 if (!gdbus_conn) {
524                         if (err) {
525                                 ERR("Unable to connect to dbus: %s", err->message);
526                                 g_clear_error(&err);
527                         }
528                         gdbus_conn = NULL;
529                 }
530         } else if (g_dbus_connection_is_closed(gdbus_conn)) {
531                 local_system_gconn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
532
533                 if (!local_system_gconn) {
534                         ERR("Unable to connect to dbus: %s", err->message);
535                         g_clear_error(&err);
536                 }
537
538                 gdbus_conn = local_system_gconn;
539         }
540
541         return gdbus_conn;
542 }
543
544 static gboolean __bt_hf_register_profile_methods(void)
545 {
546         DBG("+");
547         GError *error = NULL;
548         guint object_id;
549         guint owner_id;
550         GDBusNodeInfo *node_info;
551         gchar *path;
552         GDBusConnection *conn;
553
554         owner_id = g_bus_own_name(G_BUS_TYPE_SYSTEM,
555                                 BT_HF_SERVICE_NAME,
556                                 G_BUS_NAME_OWNER_FLAGS_NONE,
557                                 NULL, NULL, NULL,
558                                 NULL, NULL);
559
560         DBG("owner_id is [%d]", owner_id);
561
562         node_info = __bt_hf_create_method_node_info(
563                                 hf_agent_bluez_introspection_xml);
564         if (node_info == NULL)
565                 return FALSE;
566
567         path = g_strdup(BT_HF_BLUEZ_OBJECT_PATH);
568         DBG("path is [%s]", path);
569
570         conn = __bt_hf_get_gdbus_connection();
571         if (!conn) {
572                 ERR("Unable to get connection");
573                 g_free(path);
574                 return FALSE;
575         }
576
577         object_id = g_dbus_connection_register_object(conn, path,
578                                         node_info->interfaces[0],
579                                         &method_table,
580                                         NULL, NULL, &error);
581         if (object_id == 0) {
582                 ERR("Failed to register: %s", error->message);
583                 g_error_free(error);
584                 g_dbus_node_info_unref(node_info);
585                 g_free(path);
586                 return FALSE;
587         }
588         g_free(path);
589         g_dbus_node_info_unref(node_info);
590
591         node_info = __bt_hf_create_method_node_info(hf_agent_introspection_xml);
592         if (node_info == NULL)
593                 return FALSE;
594
595         path = g_strdup(BT_HF_AGENT_OBJECT_PATH);
596         DBG("path is [%s]", path);
597
598         object_id = g_dbus_connection_register_object(conn, path,
599                                                 node_info->interfaces[0],
600                                                 &method_table,
601                                                 NULL, NULL, &error);
602         if (object_id == 0) {
603                 if (error != NULL) {
604                         ERR("Failed to register: %s", error->message);
605                         g_error_free(error);
606                 }
607                 g_dbus_node_info_unref(node_info);
608                 g_free(path);
609                 return FALSE;
610         }
611         g_free(path);
612         g_dbus_node_info_unref(node_info);
613
614         DBG("-");
615         return TRUE;
616 }
617
618 static GDBusProxy *__bt_hf_gdbus_init_service_proxy(const gchar *service,
619                                 const gchar *path, const gchar *interface)
620 {
621         DBG("+");
622
623         GDBusProxy *proxy;
624         GError *err = NULL;
625         GDBusConnection *conn;
626
627         conn = __bt_hf_get_gdbus_connection();
628         if (!conn) {
629                 ERR("Unable to get connection");
630                 return NULL;
631         }
632
633         proxy =  g_dbus_proxy_new_sync(conn,
634                         G_DBUS_PROXY_FLAGS_NONE, NULL,
635                         service, path,
636                         interface, NULL, &err);
637
638         if (!proxy) {
639                 if (err) {
640                         ERR("Unable to create proxy: %s", err->message);
641                          g_clear_error(&err);
642                 }
643                 return NULL;
644         }
645
646         DBG("-");
647         return proxy;
648 }
649
650 static GDBusProxy *__bt_hf_gdbus_get_service_proxy(const gchar *service,
651                                 const gchar *path, const gchar *interface)
652 {
653         return (service_gproxy) ? service_gproxy :
654                         __bt_hf_gdbus_init_service_proxy(service,
655                                         path, interface);
656 }
657
658 static char __bt_hf_agent_get_tx_power(char *address)
659 {
660         GVariant *ret;
661         GDBusProxy *proxy;
662         GError *error = NULL;
663         char result = READ_TX_POWER_MIN; /* default minimum */
664
665         proxy = __bt_hf_gdbus_get_service_proxy(BLUEZ_SERVICE_NAME, g_obj_path,
666                                                 BLUEZ_HF_INTERFACE_NAME);
667         if (!proxy) {
668                 ERR("Proxy is NULL");
669                 return result;
670         }
671
672         ret = g_dbus_proxy_call_sync(proxy,
673                                 "GetTxPowerLevel", g_variant_new("(s)", address),
674                                 G_DBUS_CALL_FLAGS_NONE, -1,
675                                 NULL, &error);
676         if (ret == NULL) {
677                 ERR("DBus is failed");
678                 if (error != NULL) {
679                         /* Dbus gives error cause */
680                         ERR("D-Bus API failure: errCode[%x], message[%s]",
681                                                 error->code, error->message);
682                         g_clear_error(&error);
683                 }
684                 return result;
685         }
686         g_variant_get(ret, "(y)", &result);
687         DBG("TX power level = %d", result);
688         g_variant_unref(ret);
689         return result;
690 }
691
692 static int __bt_hf_agent_gdbus_method_send(const char *service,
693                                 GVariant *path, const char *interface,
694                                 const char *method)
695 {
696         DBG("+");
697
698         GVariant *ret;
699         GDBusProxy *proxy;
700         GError *error = NULL;
701
702         proxy = __bt_hf_gdbus_get_service_proxy(service, g_obj_path, interface);
703         if (!proxy)
704                 return BT_HF_AGENT_ERROR_INTERNAL;
705
706         ret = g_dbus_proxy_call_sync(proxy,
707                                 method, path,
708                                 G_DBUS_CALL_FLAGS_NONE, -1,
709                                 NULL, &error);
710         if (ret == NULL) {
711                 /* dBUS-RPC is failed */
712                 ERR("dBUS-RPC is failed");
713                 if (error != NULL) {
714                         /* dBUS gives error cause */
715                         ERR("D-Bus API failure: errCode[%x], message[%s]",
716                                error->code, error->message);
717
718                         g_clear_error(&error);
719                 }
720                 return BT_HF_AGENT_ERROR_INTERNAL;
721         }
722
723         g_variant_unref(ret);
724
725         return BT_HF_AGENT_ERROR_NONE;
726 }
727
728 static void  __bt_hf_agent_release_queue(void)
729 {
730         int i, len;
731         bt_hf_agent_send_at_info *cmd;
732         GError *err;
733
734         len = g_slist_length(bt_hf_info.cmd_send_queue);
735         for (i = 0; i < len; ++i) {
736                 cmd = g_slist_nth_data(bt_hf_info.cmd_send_queue, i);
737                 if (cmd && cmd->context) {
738                         DBG("Pending context found for %.6s[%d]",
739                                                         cmd->at_cmd, cmd->id);
740                         err = __bt_hf_agent_set_error(BT_HF_AGENT_ERROR_INTERNAL);
741                         g_dbus_method_invocation_return_gerror(cmd->context, err);
742                         g_error_free(err);
743                 }
744                 if (cmd && cmd->timer_id)
745                         g_source_remove(cmd->timer_id);
746         }
747         g_slist_free(bt_hf_info.cmd_send_queue);
748         bt_hf_info.cmd_send_queue = NULL;
749         send_flag = 0;
750 }
751
752 static gboolean __bt_hf_monitor_timer_cb(gpointer data)
753 {
754         DBG("+");
755         bt_hf_agent_send_at_info *cmd = data;
756         ERR_C("Monitor timer came becuase of timeout for sendflag %d, %s",
757                                                 send_flag, cmd->at_cmd);
758         /* In the case of ATD, we have to inform the remote to end the call */
759         if (strstr(cmd->at_cmd, "ATD") || strstr(cmd->at_cmd, "BLDN")) {
760                 INFO_C("Sending CHUP for remote call termination");
761                 __bt_hf_send_only_without_queue(&bt_hf_info, BT_HF_END_CALL,
762                                                          strlen(BT_HF_END_CALL));
763                 /* Here there is a high posisbility that we do not get response
764                  * for CHUP. Hence we need to decrement send_flag to process further
765                  * incomming packets because we already incremented it in the CHUP case. */
766                  if (send_flag)
767                         send_flag--;
768
769                 /* In the case of ATD, prev_cmd will be always ATD, because we will not
770                  * allow further commands. For safer side again set prev_cmd as ATD */
771                 strncpy(prev_cmd, "ATD\0", BT_HF_CMD_BUF_SIZE - 1);
772         }
773         hf_handle_rx_at_cmd(&bt_hf_info, BT_HF_ERROR_RESP);
774
775         DBG("-");
776
777         return FALSE;
778 }
779
780
781 gboolean __bt_hf_agent_add_queue(GDBusMethodInvocation *context, char *at,
782                                         int count, gboolean pending_flag)
783 {
784         int i, len;
785         if (bt_hf_info.slc == FALSE)
786                 return FALSE;
787
788         if (pending_flag)
789                 DBG("*** Add Pending queue request for = %s **** ", at);
790         else
791                  DBG("Add Pending queue respnse for = %s ", at);
792
793         bt_hf_agent_send_at_info *cmd = g_new0(bt_hf_agent_send_at_info, 1);
794         cmd->id = ++g_id;
795         memcpy(cmd->at_cmd, at, count);
796         cmd->count = count;
797         cmd->context =  context;
798         cmd->pending = pending_flag;
799         bt_hf_info.cmd_send_queue = g_slist_append(bt_hf_info.cmd_send_queue,
800                                                                         cmd);
801         len = g_slist_length(bt_hf_info.cmd_send_queue);
802         for (i = 0; i < len; ++i) {
803                 cmd = g_slist_nth_data(bt_hf_info.cmd_send_queue, i);
804                 DBG("Q> %.6s[%d]", cmd->at_cmd, cmd->id);
805         }
806
807         /* We need to have base timeout + tolerance value to process other request */
808         if (strstr(at, "ATD") || strstr(at, "BLDN")) {
809                 /* Android 15 seconds timeout in case of ATD timeout in flight mode */
810                 cmd->timer_id = g_timeout_add_seconds(BT_HF_COMMAND_TIMEOUT * 5 + len,
811                                          __bt_hf_monitor_timer_cb, cmd);
812         } else {
813                 cmd->timer_id = g_timeout_add_seconds(BT_HF_COMMAND_TIMEOUT + len,
814                                          __bt_hf_monitor_timer_cb, cmd);
815         }
816         return TRUE;
817 }
818
819 /*
820 Below methods exposed to Applicatoins
821 */
822 static gboolean __bt_hf_agent_emit_signal(GDBusConnection *connection,
823                                 const char *path, const char *interface,
824                                 const char *signal_name, GVariant *param)
825 {
826         GError *error = NULL;
827         gboolean ret;
828         ret =  g_dbus_connection_emit_signal(connection,
829                                  NULL, path,
830                                  interface, signal_name,
831                                  param, &error);
832         if (!ret) {
833                 if (error != NULL) {
834                         /* dBUS gives error cause */
835                         ERR("D-Bus API failure: errCode[%x], message[%s]",
836                                error->code, error->message);
837                         g_clear_error(&error);
838                 }
839         }
840         INFO_C("Emit Signal [%s]", signal_name);
841
842         return ret;
843 }
844
845 static gboolean __bt_hf_agent_emit_property_changed(
846                                 GDBusConnection *connection,
847                                 const char *path,
848                                 const char *interface,
849                                 const char *name,
850                                 GVariant *property)
851 {
852         DBG("+");
853
854         GError *error = NULL;
855         gboolean ret;
856         ret =  g_dbus_connection_emit_signal(connection,
857                                 NULL, path, interface,
858                                 "PropertyChanged",
859                                 g_variant_new("s(v)", name, property),
860                                 &error);
861         if (!ret) {
862                 if (error != NULL) {
863                         /* dBUS gives error cause */
864                         ERR("D-Bus API failure: errCode[%x], message[%s]",
865                                error->code, error->message);
866                         g_clear_error(&error);
867                 }
868         }
869         DBG("-");
870         return ret;
871 }
872
873 /*
874 Below methods exposed to Bluez
875 */
876
877 static void __bt_hf_agent_handle_ind_change(bt_hf_agent_info_t *bt_hf_info,
878                                                         guint index, gint value)
879 {
880         GDBusConnection *conn;
881         gchar *name;
882         struct indicator *ind = g_slist_nth_data(bt_hf_info->indies, index - 1);
883         if (ind == NULL) {
884                 ERR("Indicator is NULL");
885                 return;
886         }
887
888         name = ind->descr;
889         ind->value = value;
890
891         conn = __bt_hf_get_gdbus_connection();
892         if (!conn) {
893                 ERR("Unable to get connection");
894                 return;
895         }
896
897         INFO("Indicator name is %s, value = [%d]", name, value);
898         if (!strcmp(name, "\"call\"")) {
899                 bt_hf_info->ciev_call_status = value;
900                 if (value > 0) {
901                         __bt_hf_agent_emit_signal(conn,
902                                         BT_HF_AGENT_OBJECT_PATH,
903                                         BT_HF_SERVICE_INTERFACE,
904                                         "CallStarted", NULL);
905                         bt_hf_info->is_dialing = FALSE;
906                         bt_hf_info->call_active = TRUE;
907                 } else if (bt_hf_info->call_active) {
908                         __bt_hf_agent_emit_signal(conn,
909                                         BT_HF_AGENT_OBJECT_PATH,
910                                         BT_HF_SERVICE_INTERFACE,
911                                         "CallEnded", NULL);
912                         bt_hf_info->call_active = FALSE;
913                 }
914
915         } else if (!strcmp(name, "\"callsetup\"")) {
916                 bt_hf_info->ciev_call_setup_status = value;
917                 if (value == 0 && bt_hf_info->is_dialing) {
918                         __bt_hf_agent_emit_signal(conn,
919                                         BT_HF_AGENT_OBJECT_PATH,
920                                         BT_HF_SERVICE_INTERFACE,
921                                         "CallTerminated",
922                                         NULL);
923                         bt_hf_info->is_dialing = FALSE;
924                 } else if (!bt_hf_info->is_dialing && value > 0)
925                         bt_hf_info->is_dialing = TRUE;
926
927                 if (bt_hf_info->ciev_call_status == 0 &&
928                                                 bt_hf_info->ciev_call_setup_status == 0)
929                         __bt_hf_agent_emit_signal(gdbus_conn,
930                                         BT_HF_AGENT_OBJECT_PATH,
931                                         BT_HF_SERVICE_INTERFACE,
932                                         "CallEnded", NULL);
933
934         } else if (!strcmp(name, "\"callheld\"")) {
935                 if (value == 0) { /* No calls held*/
936                         __bt_hf_agent_emit_signal(conn,
937                                         BT_HF_AGENT_OBJECT_PATH,
938                                         BT_HF_SERVICE_INTERFACE,
939                                         "NoCallsHeld",
940                                         NULL);
941                 } else if (value == 1) {
942                         /*Call is placed on hold or active/held calls swapped */
943                         __bt_hf_agent_emit_signal(conn,
944                                         BT_HF_AGENT_OBJECT_PATH,
945                                         BT_HF_SERVICE_INTERFACE,
946                                         "CallsSwapped", NULL);
947                         bt_hf_info->is_dialing = FALSE;
948                 } else {
949                         /*Call on hold, no active call*/
950                         __bt_hf_agent_emit_signal(conn,
951                                         BT_HF_AGENT_OBJECT_PATH,
952                                         BT_HF_SERVICE_INTERFACE,
953                                         "CallOnHold", NULL);
954                         bt_hf_info->is_dialing = FALSE;
955                 }
956         } else if (!strcmp(name, "\"service\""))
957                 __bt_hf_agent_emit_property_changed(conn,
958                                 BT_HF_AGENT_OBJECT_PATH,
959                                 BT_HF_SERVICE_INTERFACE,
960                                 "RegistrationStatus",
961                                 g_variant_new("(q)", value));
962         else if (!strcmp(name, "\"signal\""))
963                 __bt_hf_agent_emit_property_changed(conn,
964                                 BT_HF_AGENT_OBJECT_PATH,
965                                 BT_HF_SERVICE_INTERFACE, "SignalStrength",
966                                 g_variant_new("(q)", value));
967         else if (!strcmp(name, "\"roam\""))
968                 __bt_hf_agent_emit_property_changed(conn,
969                                 BT_HF_AGENT_OBJECT_PATH,
970                                 BT_HF_SERVICE_INTERFACE, "RoamingStatus",
971                                 g_variant_new("(q)", value));
972         else if (!strcmp(name, "\"battchg\""))
973                 __bt_hf_agent_emit_property_changed(conn,
974                                 BT_HF_AGENT_OBJECT_PATH,
975                                 BT_HF_SERVICE_INTERFACE, "BatteryCharge",
976                                 g_variant_new("(q)", value));
977 }
978
979
980 static gboolean  __bt_hf_agent_launch_call_app(const char *launch_type,
981                                                         const char *number)
982 {
983         bundle *b;
984         bool is_running;
985
986         DBG("+");
987         app_manager_is_running(CALL_APP_ID, &is_running);
988         if (is_running)
989                 return FALSE;
990
991         DBG_SECURE("Launch type = %s, number(%s)", launch_type, number);
992
993         b = bundle_create();
994         if (NULL == b) {
995                 ERR("bundle_create() Failed");
996                 return FALSE;
997         }
998
999         bundle_add(b, "launch-type", launch_type);
1000
1001         if (strlen(number) != 0)
1002                 bundle_add(b, "number", number);
1003
1004         bundle_add(b, "carrier-type", "BT");
1005         DBG("For 3G, carrier-type: BT has been added");
1006
1007         aul_launch_app(CALL_APP_ID, b);
1008         bundle_free(b);
1009
1010         DBG("-");
1011
1012         return TRUE;
1013 }
1014
1015 static void __bt_hf_agent_handle_voice_activation(gint value)
1016 {
1017         GDBusConnection *conn;
1018
1019         conn = __bt_hf_get_gdbus_connection();
1020                 if (!conn) {
1021                 ERR("Unable to get connection");
1022                 return;
1023         }
1024
1025         __bt_hf_agent_emit_signal(conn, BT_HF_AGENT_OBJECT_PATH,
1026                 BT_HF_SERVICE_INTERFACE,
1027                 "VoiceRecognition",
1028                 g_variant_new("(i)", value));
1029
1030         return;
1031 }
1032
1033 static void __bt_hf_agent_handle_speaker_gain(gint value)
1034 {
1035         GDBusConnection *conn;
1036
1037         conn = __bt_hf_get_gdbus_connection();
1038         if (!conn) {
1039                 ERR("Unable to get connection");
1040                 return;
1041         }
1042
1043         __bt_hf_agent_emit_signal(conn, BT_HF_AGENT_OBJECT_PATH,
1044                                 BT_HF_SERVICE_INTERFACE, "VolumeSpeaker",
1045                                 g_variant_new("(i)", value));
1046
1047         return;
1048 }
1049
1050 static int __bt_hf_agent_handle_ccwa(bt_hf_agent_info_t *bt_hf_info,
1051                                                         const gchar *buf)
1052 {
1053         GDBusConnection *conn;
1054         gchar *ccwa;
1055         gchar number[BT_HF_CALLER_NUM_SIZE];
1056         gchar *sep;
1057         char fmt_str[BT_HF_FMT_STR_SIZE];
1058         int len = strlen(buf);
1059
1060         DBG("__bt_hf_agent_handle_ccwa +");
1061         if (len > BT_HF_CALLER_NUM_SIZE + 10) {
1062                 ERR("buf len %d is too long", len);
1063                 return 1;
1064         }
1065
1066         if ((ccwa = strstr(buf, "\r\n+CCWA"))) {
1067                 snprintf(fmt_str, sizeof(fmt_str), "\r\n+CCWA: \"%%%ds", sizeof(number) - 1);
1068                 if (sscanf(ccwa, fmt_str, number) == 1) {
1069                         sep = strchr(number, '"');
1070                         sep[0] = '\0';
1071
1072                         ccwa = number;
1073
1074                         conn = __bt_hf_get_gdbus_connection();
1075                         if (!conn) {
1076                                 ERR("Unable to get connection");
1077                                 return 1;
1078                         }
1079
1080                         __bt_hf_agent_emit_signal(conn,
1081                                         BT_HF_AGENT_OBJECT_PATH,
1082                                         BT_HF_SERVICE_INTERFACE, "CallWaiting",
1083                                         g_variant_new("(s)", ccwa));
1084                 } else {
1085                         ERR_SECURE("CCWA '%s' is Call Wating", buf);
1086                         return 1;
1087                 }
1088         }
1089         DBG("__bt_hf_agent_handle_ccwa -");
1090         return 0;
1091 }
1092
1093 static GSList *__bt_hf_prepare_call_list(const char *buf)
1094 {
1095         GSList *call_list = NULL;
1096         char *str = NULL;
1097         char *ptr = NULL;
1098         char *temp = NULL;
1099         char *sp;
1100         char delim_sep[] = "\r\n";
1101         char temp_buf[BT_HF_DATA_BUF_SIZE] = {0,};
1102
1103         hf_call_list_info_t *call_info;
1104
1105         DBG("+");
1106         strncpy(temp_buf, buf, BT_HF_DATA_BUF_SIZE - 1);
1107
1108         str = strtok_r(temp_buf, delim_sep, &sp);
1109         while (str != NULL) {
1110                 if (!(strstr(str, "+CLCC:"))) {
1111                         str = strtok_r(NULL, delim_sep, &sp);
1112                         continue;
1113                 }
1114
1115                 call_info = g_new0(hf_call_list_info_t, 1);
1116
1117                 sscanf(str, "+CLCC: %1d,%1d, %1d, %1d, %1d",
1118                                 &call_info->idx, &call_info->dir,
1119                                 &call_info->status, &call_info->mode,
1120                                 &call_info->multi_party);
1121                 DBG("Index = [%d], Direction = [%d], Status = [%d], Mode = [%d], Multi_party = [%d]\n",
1122                                 call_info->idx, call_info->dir, call_info->status,
1123                                 call_info->mode, call_info->multi_party);
1124
1125                 ptr = strstr(str, "\"");
1126                 if (ptr) {
1127                         temp = strstr(ptr + 1, "\"");
1128                         if (temp) {
1129                                 *temp = '\0';
1130                                 DBG_SECURE("\tPhone Number = [%s]\n", ptr + 1);
1131                                 call_info->number = g_strdup(ptr + 1);
1132
1133                                 if (strstr(temp + 1, ",")) {
1134                                         temp += 2;
1135                                         DBG("\tType = [%s]\n", temp);
1136                                         call_info->type = atoi(temp);
1137                                 }
1138                         }
1139                 } else {
1140                         /*In case of no phone no. in CLCC respnse, we should launch call application
1141                          * with NULL string. By doing so "unknown" shall be displayed*/
1142                         DBG("Phone number does not exist\n");
1143                         call_info->number = g_strdup("");
1144                 }
1145
1146                 call_list = g_slist_append(call_list, call_info);
1147                 str = strtok_r(NULL, delim_sep, &sp);
1148         }
1149         DBG("-");
1150         return call_list;
1151 }
1152
1153 static GSList *__bt_hf_get_call_list(bt_hf_agent_info_t *bt_hf_info)
1154 {
1155         char buf[BT_HF_DATA_BUF_SIZE] = {0,};
1156         GSList *call_list = NULL;
1157
1158         DBG("+");
1159
1160         /* Send CLCC when the callsetup */
1161         __bt_hf_send_and_read(bt_hf_info, BT_HF_CALLLIST, buf,
1162                         sizeof(BT_HF_CALLLIST) - 1);
1163         DBG_SECURE("Receive CLCC response buffer = '%s'", buf);
1164
1165         call_list =  __bt_hf_prepare_call_list(buf);
1166         DBG("-");
1167         return call_list;
1168 }
1169
1170 static void __bt_hf_call_info_free(void *data)
1171 {
1172         DBG("+");
1173
1174         hf_call_list_info_t *call_info = data;
1175         g_free(call_info->number);
1176         g_free(call_info);
1177
1178         DBG("-");
1179 }
1180
1181 static void __bt_hf_free_call_list(GSList *call_list)
1182 {
1183         DBG("+");
1184
1185         g_slist_free_full(call_list, __bt_hf_call_info_free);
1186
1187         DBG("-");
1188 }
1189
1190 static void __bt_hf_launch_call_using_call_list(GSList *call_list,
1191                                         bt_hf_agent_info_t *bt_hf_info)
1192 {
1193         guint len;
1194         const char *launch_type_str;
1195         hf_call_list_info_t *call_info;
1196
1197         DBG("+");
1198         if (call_list == NULL)
1199                 return;
1200
1201         len = g_slist_length(call_list);
1202
1203         while (len--) {
1204                 call_info = g_slist_nth_data(call_list, len);
1205
1206                 /* Launch based on below conditions
1207                   * DC - Active call which is initiated from H
1208                   * MR - Alerting call which is initiated from H
1209                   * MT - Incoming call */
1210                 if (call_info->status == BT_HF_CALL_STAT_ACTIVE) {
1211                         launch_type_str =  "DC";
1212                 } else {
1213                         if (call_info->dir == BT_HF_CALL_DIR_INCOMING)
1214                                 launch_type_str =  "MT";
1215                         else
1216                                 launch_type_str =  "MR";
1217                 }
1218
1219                 if (__bt_hf_agent_launch_call_app(launch_type_str,
1220                                         call_info->number)  == FALSE)
1221                         DBG("call app launching failed");
1222         }
1223         DBG("-");
1224 }
1225
1226 static GVariant *__bt_hf_agent_get_call_status_info(GSList *call_list)
1227 {
1228         DBG("+");
1229
1230         int32_t call_count;
1231         gchar *caller;
1232         hf_call_list_info_t *call_info;
1233
1234         GVariantBuilder *builder;
1235         GVariant *var_data;
1236
1237         builder = g_variant_builder_new(G_VARIANT_TYPE("a(siiii)"));
1238
1239         call_count = g_slist_length(call_list);
1240         DBG("Total call count = '%d'", call_count);
1241
1242         while (call_count--) {
1243                 call_info = g_slist_nth_data(call_list, call_count);
1244                 INFO("Idx=%d, Dir=%d, status=%d, mode=%d, mparty=%d",
1245                 call_info->idx, call_info->dir, call_info->status,
1246                 call_info->mode, call_info->multi_party);
1247                 caller = call_info->number;
1248
1249                 g_variant_builder_add(builder, "(siiii)",
1250                                 caller, call_info->dir, call_info->status,
1251                                 call_info->multi_party, call_info->idx);
1252         }
1253         var_data = g_variant_new("(ia(siiii))",
1254                                 g_slist_length(call_list), builder);
1255
1256         g_variant_builder_unref(builder);
1257         DBG("-");
1258         return  var_data;
1259 }
1260
1261 static void __bt_hf_clear_prev_sent_cmd(void)
1262 {
1263         if (prev_cmd[0] != 0)
1264                 ERR("No sent command");
1265
1266         memset(prev_cmd, 0, BT_HF_CMD_BUF_SIZE);
1267
1268         return;
1269 }
1270
1271 static void __bt_hf_agent_send_call_status_info(GSList *call_list)
1272 {
1273         GDBusConnection *conn;
1274         GVariant *var_data;
1275
1276         var_data = __bt_hf_agent_get_call_status_info(call_list);
1277         conn = __bt_hf_get_gdbus_connection();
1278         if (!conn) {
1279                 ERR("Unable to get connection");
1280                 return;
1281         }
1282
1283         if (conn)
1284                 __bt_hf_agent_emit_signal(conn,
1285                                 BT_HF_AGENT_OBJECT_PATH,
1286                                 BT_HF_SERVICE_INTERFACE,
1287                                 "CallStatusUpdate",
1288                                 var_data);
1289 }
1290
1291 static void __bt_hf_agent_handle_call_list(bt_hf_agent_info_t *bt_hf_info)
1292 {
1293         int ret;
1294
1295         __bt_hf_lock_display(0);
1296
1297         bt_hf_info->context = NULL;
1298
1299         /* Send CLCC. The response will be handled in the handler */
1300         ret = __bt_hf_send_only(bt_hf_info, BT_HF_CALLLIST,
1301                                                 sizeof(BT_HF_CALLLIST) - 1);
1302         if (!ret)
1303                 ERR("Failed to send CLCC");
1304
1305         __bt_hf_unlock_display();
1306 }
1307
1308 static void __bt_hf_agent_request_call_list_info(bt_hf_agent_info_t *bt_hf_info,
1309                                                                 guint index)
1310 {
1311         char *name;
1312         struct indicator *ind = g_slist_nth_data(bt_hf_info->indies, index - 1);
1313         if (ind == NULL) {
1314                 ERR("Indicator is NULL");
1315                 return;
1316         }
1317         name = ind->descr;
1318         DBG("name : %s", name);
1319
1320         if ((strcmp(name, "\"callsetup\"") != 0) &&
1321                         (strcmp(name, "\"call\"") != 0) &&
1322                                 (strcmp(name, "\"callheld\"") != 0))
1323                 return;
1324
1325         __bt_hf_lock_display(0);
1326
1327         __bt_hf_agent_handle_call_list(bt_hf_info);
1328
1329         __bt_hf_unlock_display();
1330
1331 }
1332
1333 static gboolean __bt_hf_send_available_codec(bt_hf_agent_info_t *bt_hf_info, int send_only)
1334 {
1335         gchar buf[BT_HF_DATA_BUF_SIZE];
1336         gchar cmd_buf[BT_HF_CMD_BUF_SIZE] = {0};
1337         gboolean ret;
1338
1339         snprintf(cmd_buf, sizeof(cmd_buf), BT_HF_AVAILABLE_CODEC,
1340                         BT_HF_CODEC_ID_CVSD, BT_HF_CODEC_ID_MSBC);
1341         if (send_only) {
1342                 bt_hf_info->context = NULL;
1343
1344                 ret = __bt_hf_send_only(bt_hf_info, cmd_buf, strlen(cmd_buf));
1345                 return TRUE;
1346         } else {
1347                 ret = __bt_hf_send_and_read(bt_hf_info, cmd_buf, buf,
1348                                 strlen(cmd_buf));
1349         }
1350         if (!ret || !strstr(buf, "OK"))
1351                 return FALSE;
1352
1353         return TRUE;
1354 }
1355
1356 static  int _hf_agent_codec_setup(const char *addr, guint codec_id)
1357 {
1358         int ret;
1359
1360         if (!g_obj_path) {
1361                 ERR("g_obj_path is NULL\n");
1362                 return BT_HF_AGENT_ERROR_INTERNAL;
1363         }
1364
1365         switch (codec_id) {
1366         case BT_HF_CODEC_ID_CVSD:
1367                 INFO("Set NB parameters");
1368                 ret = __bt_hf_agent_gdbus_method_send(BLUEZ_SERVICE_NAME,
1369                                                 g_variant_new("(ss)", "Handsfree", addr),
1370                                                 BT_ADAPTER_INTERFACE,
1371                                                 "SetNbParameters");
1372                 break;
1373         case BT_HF_CODEC_ID_MSBC:
1374                 INFO("Set WBS parameters");
1375                 ret = __bt_hf_agent_gdbus_method_send(BLUEZ_SERVICE_NAME,
1376                                                 g_variant_new("(ss)", "Handsfree", addr),
1377                                                 BT_ADAPTER_INTERFACE,
1378                                                 "SetWbsParameters");
1379                 break;
1380         default:
1381                 ret = BT_HF_AGENT_ERROR_INTERNAL;
1382                 ERR("Invalid Codec\n");
1383                 break;
1384         }
1385
1386         if (ret)
1387                 ERR("Failed to setup the Codec\n");
1388         else
1389                 current_codec_id = codec_id;
1390
1391         return ret;
1392 }
1393
1394 static void __bt_hf_agent_handle_codec_select(bt_hf_agent_info_t *bt_hf_info,
1395                                                         guint codec_id)
1396 {
1397         gchar cmd_buf[BT_HF_CMD_BUF_SIZE] = {0};
1398         gboolean ret;
1399
1400         if (codec_id != BT_HF_CODEC_ID_CVSD && codec_id != BT_HF_CODEC_ID_MSBC) {
1401                 INFO("Codec id doesn't match, so send available codec again");
1402                 ret = __bt_hf_send_available_codec(bt_hf_info, 1);
1403                 if (!ret)
1404                         ERR("Failed to send avalable codec");
1405                 return;
1406         }
1407
1408         /* HF should be ready accpet SCO connection before sending theresponse for
1409         "\r\n+BCS=>Codec ID\r\n", Keep the BT chip ready to recevie encoded SCO data */
1410         ret = _hf_agent_codec_setup(bt_hf_info->remote_addr, codec_id);
1411
1412         snprintf(cmd_buf, sizeof(cmd_buf), BT_HF_CODEC_SELECT, codec_id);
1413
1414         bt_hf_info->context = NULL;
1415
1416         ret = __bt_hf_send_only(bt_hf_info, cmd_buf, strlen(cmd_buf));
1417         if (!ret)
1418                 ERR("Failed to select the Codec");
1419 }
1420
1421 void __bt_hf_agent_print_at_buffer(char *message, const char *buf)
1422 {
1423
1424         int i = 0;
1425         char s[BT_HF_DATA_BUF_SIZE] = {0, };
1426         gboolean hide = FALSE;
1427
1428         gboolean has_clcc = FALSE;
1429         gboolean has_clip = FALSE;
1430         gboolean has_ccwa = FALSE;
1431         char *xsat_ptr;
1432
1433         strncpy(s, buf, BT_HF_DATA_BUF_SIZE - 1);
1434
1435         has_clcc = strstr(buf, "CLCC:") ? TRUE : FALSE;
1436         if (has_clcc == TRUE)
1437                 goto done;
1438         has_clip = strstr(buf, "+CLIP:") ? TRUE : FALSE;
1439         if (has_clip == TRUE)
1440                 goto done;
1441         has_ccwa = strstr(buf, "+CCWA:") ? TRUE : FALSE;
1442
1443 done:
1444         /* +XSAT: 11,DISC */
1445         xsat_ptr =  strstr(s, "11,DISC,");
1446         if (xsat_ptr) {
1447                 xsat_ptr = xsat_ptr + 8;
1448                 int x = 0;
1449                 while (xsat_ptr[x] != '\0' && xsat_ptr[x] != '\r' && xsat_ptr[x] != '\n') {
1450                         xsat_ptr[x] = 'X';
1451                         x++;
1452                 }
1453         }
1454
1455         /* AT+XSAT=11,Q_CT,X,XXXX */
1456         xsat_ptr =  strstr(s, "11,Q_CT,");
1457         if (xsat_ptr) {
1458                 xsat_ptr = xsat_ptr + 8;
1459                 int x = 0;
1460                 while (xsat_ptr[x] != '\0' && xsat_ptr[x] != '\r' && xsat_ptr[x] != '\n') {
1461                         if (x > 1) /* ignore 0 and 1 position */
1462                                 xsat_ptr[x] = 'X';
1463                         x++;
1464                 }
1465         }
1466
1467         i = 0;
1468         while (s[i] != '\0') {
1469                 if (s[i] == '\r' || s[i] == '\n') {
1470                         s[i] = '.';
1471                 } else {
1472                         if (s[i] == '\"')
1473                                 hide = hide ? FALSE : TRUE;
1474                         else if ((has_clcc || has_clip || has_ccwa) && hide) {
1475                                 if (i % 2)
1476                                         s[i] = 'X';
1477                         }
1478                 }
1479                 i++;
1480         }
1481         if (message)
1482                 INFO("%s Buffer = %s, Length = %d ", message, s, strlen(s));
1483         else
1484                 INFO("%s", s);
1485 }
1486
1487 static int __bt_hf_agent_handler_ciev(bt_hf_agent_info_t *bt_hf_info, const char *buf)
1488 {
1489         gchar indicator[BT_HF_INDICATOR_DESCR_SIZE + 4];
1490         gchar *sep;
1491         gint value;
1492         guint index;
1493         char fmt_str[BT_HF_FMT_STR_SIZE];
1494
1495         DBG("++++++++ __bt_hf_agent_handler_ciev +++++++++");
1496
1497         snprintf(fmt_str, sizeof(fmt_str), "\r\n+CIEV:%%%ds\r\n", sizeof(indicator) - 1);
1498         if (sscanf(buf, fmt_str, indicator) == 1) {
1499                 sep = strchr(indicator, ',');
1500                 sep[0] = '\0';
1501                 sep += 1;
1502                 index = atoi(indicator);
1503                 value = atoi(sep);
1504                 __bt_hf_agent_handle_ind_change(bt_hf_info, index, value);
1505
1506                 if (bt_hf_info->ciev_call_status == 0 &&
1507                                 bt_hf_info->ciev_call_setup_status == 0)
1508                         INFO("No active call");
1509                 else
1510                         /* Request CLCC based on indicator change for call/callsetup/callHeld */
1511                         __bt_hf_agent_request_call_list_info(bt_hf_info, index);
1512         }
1513         DBG("--------- __bt_hf_agent_handler_ciev ------------");
1514         return 0;
1515 }
1516
1517 static void __bt_hf_agent_handle_ven_samsung(bt_hf_agent_info_t *bt_hf_info,
1518                                                 gint app_id, const char *msg)
1519 {
1520         /* Whomesoever wants need to handle it */
1521         char *sig_name = "SamsungXSAT";
1522         GDBusConnection *conn;
1523
1524         conn = __bt_hf_get_gdbus_connection();
1525         if (!conn) {
1526                 ERR("Unable to get connection");
1527                 return;
1528         }
1529
1530         __bt_hf_agent_emit_signal(conn,
1531                                 BT_HF_AGENT_OBJECT_PATH,
1532                                 BT_HF_SERVICE_INTERFACE,
1533                                 sig_name,
1534                                 g_variant_new("(is)", app_id, msg));
1535 }
1536
1537 static int __bt_hf_agent_handler_ring(bt_hf_agent_info_t *bt_hf_info, const char *buf)
1538 {
1539         DBG("++++++++ __bt_hf_agent_handler_ring ++++++++");
1540         DBG("---------__bt_hf_agent_handler_ring --------");
1541
1542         return 0;
1543 }
1544
1545 static int __bt_hf_agent_handler_clip(bt_hf_agent_info_t *bt_hf_info, const char *buf)
1546 {
1547         DBG("+++++++++ __bt_hf_agent_handler_clip ++++++++");
1548         DBG("---------__bt_hf_agent_handler_clip --------");
1549
1550         return 0;
1551 }
1552
1553 static int __bt_hf_agent_handler_bvra(bt_hf_agent_info_t *bt_hf_info, const char *buf)
1554 {
1555         DBG("+++++++++ __bt_hf_agent_handler_bvra +++++++++");
1556         gint value;
1557          if (sscanf(buf, "\r\n+BVRA:%1d\r\n", &value) == 1)
1558                 __bt_hf_agent_handle_voice_activation(value);
1559
1560          DBG("---------__bt_hf_agent_handler_bvra --------");
1561         return 0;
1562 }
1563
1564 static int __bt_hf_agent_handler_bcs(bt_hf_agent_info_t *bt_hf_info, const char *buf)
1565 {
1566         guint codec_id;
1567         DBG("+++++++++ __bt_hf_agent_handler_bcs +++++++++-");
1568         if (sscanf(buf, "\r\n+BCS:%3d\r\n", &codec_id))
1569                 __bt_hf_agent_handle_codec_select(bt_hf_info, codec_id);
1570
1571         DBG("---------__bt_hf_agent_handler_bcs --------");
1572         return 0;
1573 }
1574
1575 static int __bt_hf_agent_handler_vgs(bt_hf_agent_info_t *bt_hf_info, const char *buf)
1576 {
1577         gint value;
1578         DBG("+++++++++ __bt_hf_agent_handler_vgs +++++++++");
1579         if (sscanf(buf, "\r\n+VGS:%2d\r\n", &value))
1580                 __bt_hf_agent_handle_speaker_gain(value);
1581
1582         DBG("---------__bt_hf_agent_handler_vgs --------");
1583
1584         return 0;
1585 }
1586
1587 static int __bt_hf_agent_handler_ccwa(bt_hf_agent_info_t *bt_hf_info, const char *buf)
1588 {
1589         DBG("+++++++++ __bt_hf_agent_handler_ccwa ++++++++");
1590                 __bt_hf_agent_handle_ccwa(bt_hf_info, buf);
1591         DBG("---------__bt_hf_agent_handler_ccwa --------");
1592
1593         return 0;
1594 }
1595
1596
1597 static int __bt_hf_agent_handler_xsat(bt_hf_agent_info_t *bt_hf_info,
1598                                                         const char *buf)
1599 {
1600         gint app_id;
1601         char msg[BT_HF_DATA_BUF_SIZE];
1602         char fmt_str[BT_HF_CMD_BUF_SIZE];
1603
1604         DBG("+++++++++ __bt_hf_agent_handler_xsat +++++++++");
1605         snprintf(fmt_str, sizeof(fmt_str), "\r\n+XSAT:%%d,%%%ds\r\n", sizeof(msg) - 1);
1606         if (sscanf(buf, fmt_str, &app_id, msg)) {
1607                 if (app_id == 2 && strstr(msg, "READTXPOWER")) {
1608                         char cmd_buf[BT_HF_CMD_BUF_SIZE * 2] = {0, };
1609                         char power = __bt_hf_agent_get_tx_power(bt_hf_info->remote_addr);
1610                         snprintf(cmd_buf, sizeof(cmd_buf), "AT+XSAT: 2,%d", power);
1611                         bt_hf_agent_send_at_cmd(NULL, cmd_buf);
1612                 } else {
1613                         __bt_hf_agent_handle_ven_samsung(bt_hf_info, app_id, msg);
1614                 }
1615         }
1616
1617         DBG("---------__bt_hf_agent_handler_xsat --------");
1618
1619         return 0;
1620 }
1621
1622 static int __bt_hf_agent_handler_cme_error(bt_hf_agent_info_t *bt_hf_info,
1623                                                         const char *buf)
1624 {
1625         DBG("+++++++++ __bt_hf_agent_handler_cme_error ++++++++");
1626
1627         GDBusConnection *conn;
1628
1629         if (strstr(prev_cmd, "ATD") || strstr(prev_cmd, BT_HF_REDIAL)) {
1630                 conn = __bt_hf_get_gdbus_connection();
1631                 if (!conn) {
1632                         ERR("Unable to get connection");
1633                         return 0;
1634                 }
1635
1636                 __bt_hf_agent_emit_signal(conn,
1637                                         BT_HF_AGENT_OBJECT_PATH,
1638                                         BT_HF_SERVICE_INTERFACE,
1639                                         "CallTerminated",
1640                                         NULL);
1641         }
1642
1643         __bt_hf_clear_prev_sent_cmd();
1644
1645         return 0;
1646 }
1647
1648 static int __bt_hf_agent_handler_response_ok(bt_hf_agent_info_t *bt_hf_info,
1649                                                         const char *buf)
1650 {
1651         DBG("+++++++++ __bt_hf_agent_handler_response_ok ++++++++");
1652
1653         __bt_hf_clear_prev_sent_cmd();
1654
1655         return 0;
1656 }
1657
1658 static int __bt_hf_agent_handler_response_err(bt_hf_agent_info_t *bt_hf_info,
1659                                                         const char *buf)
1660 {
1661         DBG("+++++++++ __bt_hf_agent_handler_response_err ++++++++");
1662         GDBusConnection *conn;
1663
1664         if (strstr(prev_cmd, "ATD") || strstr(prev_cmd, BT_HF_REDIAL)) {
1665                 conn = __bt_hf_get_gdbus_connection();
1666                 if (!conn) {
1667                         ERR("Unable to get connection");
1668                         return 0;
1669                 }
1670
1671                 __bt_hf_agent_emit_signal(conn, BT_HF_AGENT_OBJECT_PATH,
1672                                         BT_HF_SERVICE_INTERFACE,
1673                                         "CallTerminated",
1674                                         NULL);
1675         }
1676         __bt_hf_clear_prev_sent_cmd();
1677
1678         return 0;
1679 }
1680
1681 static int __bt_hf_agent_handler_response_serr(bt_hf_agent_info_t *bt_hf_info,
1682                                                         const char *buf)
1683 {
1684         DBG("+");
1685         GDBusConnection *conn;
1686
1687         if (strstr(prev_cmd, "ATD") || strstr(prev_cmd, BT_HF_REDIAL)) {
1688                 conn = __bt_hf_get_gdbus_connection();
1689                 if (!conn) {
1690                         ERR("Unable to get connection");
1691                         return 0;
1692                 }
1693
1694                 __bt_hf_agent_emit_signal(conn, BT_HF_AGENT_OBJECT_PATH,
1695                                         BT_HF_SERVICE_INTERFACE,
1696                                         "CallTerminated",
1697                                         NULL);
1698         }
1699
1700         __bt_hf_clear_prev_sent_cmd();
1701
1702         DBG("-");
1703         return 0;
1704 }
1705
1706 static int __bt_hf_agent_handler_clcc(bt_hf_agent_info_t *bt_hf_info, const char *buffer)
1707 {
1708
1709         GSList *call_list = NULL;
1710         DBG("+++++++++ __bt_hf_agent_handler_clcc ++++++++");
1711         DBG_SECURE("Receive CLCC response buffer = '%s'", buffer);
1712
1713         __bt_hf_lock_display(0);
1714
1715         call_list = __bt_hf_prepare_call_list(buffer);
1716
1717         if (call_list == NULL)
1718                 goto done;
1719
1720         __bt_hf_launch_call_using_call_list(call_list, bt_hf_info);
1721
1722         __bt_hf_agent_send_call_status_info(call_list);
1723
1724         __bt_hf_free_call_list(call_list);
1725
1726 done:
1727         __bt_hf_unlock_display();
1728         DBG("---------__bt_hf_agent_handler_clcc --------");
1729         return 0;
1730 }
1731
1732 static struct hf_event hf_event_callbacks[] = {
1733         { "\r\n+CIEV:", __bt_hf_agent_handler_ciev },
1734         { "\r\nRING", __bt_hf_agent_handler_ring },
1735         { "\r\n+CLIP:", __bt_hf_agent_handler_clip },
1736         { "\r\n+BVRA:", __bt_hf_agent_handler_bvra },
1737         { "\r\n+BCS:", __bt_hf_agent_handler_bcs },
1738         { "\r\n+VGS:", __bt_hf_agent_handler_vgs },
1739         { "\r\n+CCWA:", __bt_hf_agent_handler_ccwa },
1740         { "\r\n+XSAT:", __bt_hf_agent_handler_xsat },
1741         {"\r\n+CLCC:", __bt_hf_agent_handler_clcc },
1742         { 0 }
1743 };
1744
1745 static struct hf_event hf_event_resp_callbacks[] = {
1746         { "\r\n+CME ERROR:", __bt_hf_agent_handler_cme_error },
1747         { "\r\nOK\r\n", __bt_hf_agent_handler_response_ok },
1748         { "ERROR", __bt_hf_agent_handler_response_err },
1749         { "SERR", __bt_hf_agent_handler_response_serr },
1750         { 0 }
1751 };
1752
1753 bt_hf_agent_send_at_info *__bt_hf_agent_find_next(bt_hf_agent_info_t *bt_hf_info)
1754 {
1755         int len;
1756         int i;
1757         bt_hf_agent_send_at_info *cmd;
1758         len = g_slist_length(bt_hf_info->cmd_send_queue);
1759         for (i = 0; i < len; ++i) {
1760                 cmd = g_slist_nth_data(bt_hf_info->cmd_send_queue, i);
1761                 DBG("F> %.6s[%d]", cmd->at_cmd, cmd->id);
1762         }
1763         len = g_slist_length(bt_hf_info->cmd_send_queue);
1764         DBG("Context queue length = %d", len);
1765         if (len == 0)
1766                 return NULL;
1767
1768         cmd = g_slist_nth_data(bt_hf_info->cmd_send_queue, 0);
1769         if (cmd) {
1770                 bt_hf_info->cmd_send_queue = g_slist_remove(bt_hf_info->cmd_send_queue, cmd);
1771                 DBG("NEXT[%d] Found %s, context = 0x%x, pending = %d", cmd->id,
1772                                 cmd->at_cmd, cmd->context, cmd->pending);
1773                         return cmd;
1774         }
1775
1776         DBG("**** Not found any pending command on list length %d ****", len);
1777
1778         return NULL;
1779 }
1780
1781 static int hf_handle_rx_at_cmd(bt_hf_agent_info_t *bt_hf_info, const char *buf)
1782 {
1783         struct hf_event *ev;
1784         int ret = -EINVAL;
1785         bt_hf_agent_send_at_info *cmd = NULL;
1786
1787         __bt_hf_agent_print_at_buffer("Processing [Rx cmd]:", buf);
1788
1789         for (ev = hf_event_resp_callbacks; ev->cmd; ev++) {
1790                 if (strstr(buf, ev->cmd)) {
1791                         if (send_flag)
1792                                 send_flag--;
1793                         DBG("Send flag value = %d(after)", send_flag);
1794                         ret = ev->callback(bt_hf_info, buf);
1795                 }
1796         }
1797
1798         if (ret != -EINVAL)
1799                 goto done;
1800
1801         for (ev = hf_event_callbacks; ev->cmd; ev++) {
1802                 if (!strncmp(buf, ev->cmd, strlen(ev->cmd))) {
1803                         ret = ev->callback(bt_hf_info, buf);
1804                         break;
1805                 }
1806         }
1807
1808                 return ret;
1809 done:
1810
1811         cmd = __bt_hf_agent_find_next(bt_hf_info);
1812
1813         if (cmd && cmd->context) {
1814                 DBG("Pending context found for %.6s[%d]", cmd->at_cmd, cmd->id);
1815                 g_dbus_method_invocation_return_value(cmd->context, NULL);
1816                 if (cmd->timer_id)
1817                         g_source_remove(cmd->timer_id);
1818                 g_free(cmd);
1819                 cmd = NULL;
1820         }
1821
1822         if (cmd == NULL)
1823                 cmd = __bt_hf_agent_find_next(bt_hf_info);
1824
1825         if (cmd && cmd->pending && send_flag == 0) {
1826                 DBG("Pending only found of %.6s[%d]", cmd->at_cmd, cmd->id);
1827                 __bt_hf_send_only_without_queue(bt_hf_info,
1828                                         cmd->at_cmd, cmd->count);
1829                  cmd->pending = FALSE;
1830                 bt_hf_info->cmd_send_queue = g_slist_prepend(bt_hf_info->cmd_send_queue,
1831                                                                         cmd);
1832                 DBG("Prepend %.6s[%d]", cmd->at_cmd, cmd->id);
1833         } else {
1834                 if (cmd) {
1835                         DBG("Pending free for %.6s[%d] - send_flag = %d",
1836                                         cmd->at_cmd, cmd->id, send_flag);
1837                         if (cmd->timer_id)
1838                                 g_source_remove(cmd->timer_id);
1839                         g_free(cmd);
1840                 }
1841
1842
1843
1844                 /* Need to process further pending */
1845                 cmd = __bt_hf_agent_find_next(bt_hf_info);
1846                 if (cmd) {
1847                         if (cmd->pending && send_flag == 0) {
1848                                 DBG("2nd Pending only found of %.6s[%d]",
1849                                                         cmd->at_cmd, cmd->id);
1850                                 __bt_hf_send_only_without_queue(bt_hf_info,
1851                                                 cmd->at_cmd, cmd->count);
1852                                  cmd->pending = FALSE;
1853                         }
1854                         bt_hf_info->cmd_send_queue = g_slist_prepend(bt_hf_info->cmd_send_queue,
1855                                                                         cmd);
1856                         DBG("2nd Prepend %.6s[%d]", cmd->at_cmd, cmd->id);
1857                 }
1858         }
1859         return ret;
1860 }
1861
1862 static int hf_handle_append_clcc_buff(char *cmd_buf, const char *buf)
1863 {
1864         int buf_length;
1865         int cmd_length =  0;
1866         int cmd_buf_len = 0;
1867         char *pos_start, *pos_end;
1868         const char *datap = buf;
1869
1870         cmd_buf_len = strlen(cmd_buf);
1871         buf_length = strlen(buf);
1872         DBG("buf_length = %d, cmd_buf_len = %d", buf_length, cmd_buf_len);
1873
1874         if (buf_length > 0 && strstr(datap, "+CLCC")) {
1875                 pos_start = strstr(datap, "\r\n");
1876                 if (pos_start == NULL) {
1877                         ERR("Invalid AT command signature..\n");
1878                         return 0;
1879                 }
1880
1881                 pos_end = g_strrstr(datap, "+CLCC");
1882                 if (pos_end == NULL) {
1883                         ERR("Invalid AT command signature..\n");
1884                         return 0;
1885                 }
1886                 pos_end =  strstr(pos_end, "\r\n");
1887                 cmd_length =   (pos_end - pos_start) + 2;
1888                 INFO("CLCC balance Cmd Length = %d\n", cmd_length);
1889                 memcpy(cmd_buf + cmd_buf_len, pos_start, cmd_length);
1890                 cmd_buf[cmd_buf_len + cmd_length] = '\0';
1891
1892                 if (strstr(cmd_buf, "\r\nOK\r\n")) {
1893                         pos_end = strstr(datap, "\r\nOK\r\n");
1894                         cmd_length =   (pos_end - pos_start);
1895                         memcpy(cmd_buf + cmd_buf_len, pos_start, cmd_length);
1896                         cmd_buf[cmd_buf_len + cmd_length] = '\0';
1897                         INFO("New CLCC balance Cmd Length = %d", cmd_length);
1898                 }
1899         }
1900         return cmd_length;
1901 }
1902
1903
1904 static int hf_handle_rx_at_buff(bt_hf_agent_info_t *bt_hf_info, const char *buf)
1905 {
1906         int buf_length;
1907         int cmd_length;
1908         char *pos_start, *pos_end;
1909         int tmp;
1910         gchar cmd_buf[BT_HF_DATA_BUF_SIZE] = {0,};
1911         const char *datap = buf;
1912
1913         __bt_hf_agent_print_at_buffer("[HF AT CMD] Recv >>>>>:", buf);
1914
1915         buf_length = strlen(buf);
1916
1917         while (buf_length > 0) {
1918                 pos_start = strstr(datap, "\r\n");
1919                 if (pos_start == NULL) {
1920                         ERR("Invalid AT command start signature..\n");
1921                         break;
1922                 }
1923
1924                 datap += 2;
1925                 pos_end = strstr(datap, "\r\n");
1926                 if (pos_end == NULL) {
1927                         ERR("Invalid AT command end signature..\n");
1928                         break;
1929                 }
1930                 cmd_length =   (pos_end - pos_start) + 2;
1931                 DBG("Cmd Length = %d\n", cmd_length);
1932
1933                 memcpy(cmd_buf, pos_start, cmd_length);
1934                 cmd_buf[cmd_length] = '\0';
1935
1936                 buf_length = buf_length - cmd_length;
1937                 datap = datap + cmd_length - 2;
1938
1939                 /* We need to pass all the CLCC's together to its handler */
1940                 if (strstr(cmd_buf, "+CLCC")) {
1941                         tmp = hf_handle_append_clcc_buff(cmd_buf, datap);
1942                         datap += tmp;
1943                         buf_length = buf_length - tmp;
1944                 }
1945                 hf_handle_rx_at_cmd(bt_hf_info, cmd_buf);
1946                 DBG("Pending buf_length = %d\n", buf_length);
1947         }
1948         return TRUE;
1949
1950 }
1951 static gboolean __bt_hf_agent_data_cb(GIOChannel *chan, GIOCondition cond,
1952                                         bt_hf_agent_info_t *bt_hf_info)
1953 {
1954         gchar buf[BT_HF_DATA_BUF_SIZE] = {0,};
1955         gsize read;
1956         GError *gerr = NULL;
1957         gboolean recvd_ok = FALSE;
1958         gboolean recvd_error = FALSE;
1959         gboolean recvd_sec_error = FALSE;
1960
1961         if (cond & (G_IO_ERR | G_IO_HUP)) {
1962                 ERR("ERR or HUP on RFCOMM socket");
1963                 INFO_C("Disconnected [HF role] [Terminated by remote dev]");
1964                 is_hf_connected = FALSE;
1965                 bt_hf_info->slc = FALSE;
1966                 __bt_hf_agent_release();
1967                 return FALSE;
1968         }
1969
1970         if (g_io_channel_read_chars(chan, buf, sizeof(buf) - 1, &read, &gerr)
1971                         != G_IO_STATUS_NORMAL) {
1972                 if (gerr) {
1973                         ERR("Read failed, cond = [%d], Err msg = [%s]",
1974                                                         cond, gerr->message);
1975                         g_error_free(gerr);
1976                 }
1977                 return TRUE;
1978         }
1979         buf[read] = '\0';
1980         recvd_ok = NULL != strstr(buf, BT_HF_OK_RESPONSE);
1981         recvd_error = NULL != strstr(buf, BT_HF_ERROR_RESPONSE);
1982         recvd_sec_error = NULL != strstr(buf, BT_HF_SEC_ERROR_RESPONSE);
1983         DBG("<-------Received data --send flag status = %d ----->", send_flag);
1984
1985         /* Once service level connection is established we need to handle
1986          * all the intermediate AT commands */
1987         if (bt_hf_info->state != BT_HF_STATE_CONNECTED)
1988                 return TRUE;
1989
1990         if (send_flag) {
1991                 strncat(global_buff, buf,
1992                         (BT_AT_COMMAND_BUFFER_MAX - 1) - strlen(global_buff));
1993                 if (!(recvd_ok || recvd_error || recvd_sec_error)) {
1994                         __bt_hf_agent_print_at_buffer("Concat ()", global_buff);
1995                 } else {
1996                         DBG("*** Received terminator.. process Rx buffer ***");
1997                         hf_handle_rx_at_buff(bt_hf_info, global_buff);
1998                         memset(global_buff, 0, sizeof(global_buff));
1999                 }
2000         } else {
2001                 INFO("***  Received Direct AT buffer packet handling ****");
2002                 hf_handle_rx_at_buff(bt_hf_info, buf);
2003         }
2004         return TRUE;
2005 }
2006
2007 static void __bt_hf_agent_start_watch(bt_hf_agent_info_t *bt_hf_info)
2008 {
2009         bt_hf_info->watch_id = g_io_add_watch(bt_hf_info->io_chan,
2010                         G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
2011                         (GIOFunc) __bt_hf_agent_data_cb, bt_hf_info);
2012 }
2013
2014 static void __bt_hf_agent_stop_watch(bt_hf_agent_info_t *bt_hf_info)
2015 {
2016         if (bt_hf_info->watch_id > 0) {
2017                 g_source_remove(bt_hf_info->watch_id);
2018                 bt_hf_info->watch_id = 0;
2019         }
2020 }
2021
2022 static gboolean __bt_hf_channel_write(GIOChannel *io, gchar *data,
2023                                         gsize count)
2024 {
2025         gsize written = 0;
2026         GIOStatus status;
2027
2028         while (count > 0) {
2029                 status = g_io_channel_write_chars(io, data, count, &written,
2030                                                 NULL);
2031                 if (status != G_IO_STATUS_NORMAL)
2032                         return FALSE;
2033
2034                 data += written;
2035                 count -= written;
2036         }
2037         return TRUE;
2038 }
2039
2040 static gboolean __bt_hf_send_only_without_queue(bt_hf_agent_info_t *bt_hf_info,
2041                                                 gchar *data, gsize count)
2042 {
2043         GIOChannel *io_chan = bt_hf_info->io_chan;
2044         if (!__bt_hf_channel_write(io_chan, data, count))
2045                 return FALSE;
2046
2047         g_io_channel_flush(io_chan, NULL);
2048
2049         if (count > 2 && data[2] == 'D') { /* ATDXXXXX */
2050                 INFO("Send only buffer size =[%d] No len = %d - Send <<<<<| %s",
2051                                          count, count - 6, "ATDXXXXXXX");
2052                 snprintf(prev_cmd, BT_HF_CMD_BUF_SIZE, "%s", data);
2053         } else {
2054                 INFO("No queue....Send only buffer size =[%d] - Send <<<<<| %s",
2055                                                                 count, data);
2056         }
2057
2058         send_flag++;
2059         /* DBG("Ref %d(after) on Send only buffer size =[%d] - Send <<<<<| %s",
2060          * send_flag, count, data); */
2061         return TRUE;
2062
2063 }
2064
2065 static gboolean __bt_hf_send_only(bt_hf_agent_info_t *bt_hf_info, gchar *data,
2066                                                                 gsize count)
2067 {
2068         gboolean pending = FALSE;
2069         GIOChannel *io_chan = bt_hf_info->io_chan;
2070
2071         if (send_flag) {
2072                 pending = TRUE;
2073         }
2074         __bt_hf_agent_add_queue(bt_hf_info->context, data, count, pending);
2075
2076         if (pending)
2077                 return TRUE;
2078
2079         if (!__bt_hf_channel_write(io_chan, data, count))
2080                 return FALSE;
2081
2082         g_io_channel_flush(io_chan, NULL);
2083
2084         if (count > 2 && data[2] == 'D') /* ATDXXXXX */
2085                 INFO("Send only buffer size =[%d] No len = %d - Send <<<<<| %s",
2086                                          count, count - 6, "ATDXXXXXXX");
2087         else
2088                 INFO("Send only buffer size =[%d] - Send <<<<<| %s", count, data);
2089
2090         send_flag++;
2091         DBG("Ref %d(after) on Send only buffer size =[%d] - Send <<<<<| %s",
2092                                                 send_flag, count, data);
2093         return TRUE;
2094 }
2095
2096 static gboolean __bt_hf_send_and_read(bt_hf_agent_info_t *bt_hf_info,
2097                 gchar *data, gchar *response, gsize count)
2098 {
2099         GIOChannel *io_chan = bt_hf_info->io_chan;
2100         gsize rd_size = 0;
2101         gboolean recvd_ok = FALSE;
2102         gboolean recvd_error = FALSE;
2103         gboolean recvd_sec_error = FALSE;
2104         gchar *resp_buf = response;
2105         gsize toread = BT_HF_DATA_BUF_SIZE - 1;
2106         int i = 0;
2107         int fd;
2108         int err;
2109         struct pollfd p;
2110         GDBusConnection *conn;
2111
2112         /* Should not send cmds if DUT send a command and wait the response */
2113         if (prev_cmd[0] != 0) {
2114                 INFO("DUT is waiting a respond for previous TX cmd. Skip sending.");
2115                 return FALSE;
2116         }
2117
2118         memset(resp_buf, 0, BT_HF_DATA_BUF_SIZE);
2119
2120         if (!__bt_hf_channel_write(io_chan, data, count))
2121                 return FALSE;
2122
2123         g_io_channel_flush(io_chan, NULL);
2124
2125         __bt_hf_agent_print_at_buffer("[HF AT CMD] Send <<<<<:", data);
2126
2127         fd = g_io_channel_unix_get_fd(io_chan);
2128         p.fd = fd;
2129         p.events = POLLIN | POLLERR | POLLHUP | POLLNVAL;
2130
2131         /* Maximun 8 seconds of poll or 8 minus no of cmd received */
2132         for (i = 1; i <= MAX_WAITING_DELAY; i++) {
2133                 DBG("Loop Counter = %d", i);
2134                 p.revents = 0;
2135                 err = poll(&p, 1, 1000);
2136                 if (err < 0) {
2137                         ERR("Loop Counter = %d, >>>> Poll error happen", i);
2138                         return FALSE;
2139                 } else if (err == 0) {
2140                         INFO("Loop Counter = %d, >>>> Poll Timeout", i);
2141                 }
2142
2143                 if (p.revents & (POLLERR | POLLHUP | POLLNVAL)) {
2144                         ERR("Loop Counter = %d, >> Poll ERR/HUP/INV (%d)",
2145                                                                 i, p.revents);
2146
2147                         conn = __bt_hf_get_gdbus_connection();
2148                         if (!conn) {
2149                                 ERR("Unable to get connection");
2150                                 return FALSE;
2151                         }
2152
2153                         __bt_hf_agent_emit_signal(conn,
2154                                 BT_HF_AGENT_OBJECT_PATH,
2155                                 BT_HF_SERVICE_INTERFACE,
2156                                 "Disconnected",
2157                                 g_variant_new("(s)",
2158                                                 bt_hf_info->remote_addr));
2159
2160                         bt_hf_info->state = BT_HF_STATE_DISCONNECTED;
2161                         return FALSE;
2162                 }
2163
2164                 if (p.revents & POLLIN) {
2165                         rd_size = read(fd, resp_buf, toread);
2166                         resp_buf[rd_size] = '\0';
2167                         DBG_SECURE("size = %d, Buffer=[%s]", rd_size, resp_buf);
2168                         recvd_ok = NULL != strstr(resp_buf, BT_HF_OK_RESPONSE);
2169                         recvd_error = NULL != strstr(resp_buf, BT_HF_ERROR_RESPONSE);
2170                         recvd_sec_error = NULL != strstr(resp_buf, BT_HF_SEC_ERROR_RESPONSE);
2171
2172                         resp_buf += rd_size;
2173                         toread -= rd_size;
2174
2175                         if (recvd_ok || recvd_error || recvd_sec_error) {
2176                                 DBG("Break Loop Counter = %d", i);
2177                                 break;
2178                         }
2179                 }
2180         }
2181
2182         /* Once service level connection is established we need to handle
2183          * all the intermediate AT commands */
2184         if (bt_hf_info->state == BT_HF_STATE_CONNECTED)
2185                 hf_handle_rx_at_buff(bt_hf_info, response);
2186         return TRUE;
2187 }
2188
2189 static GSList *__bt_hf_parse_indicator_names(gchar *names, GSList *indices)
2190 {
2191         struct indicator *ind;
2192         gchar *cur = names - 1;
2193         GSList *list = indices;
2194         gchar *next;
2195
2196         DBG("Indicator buffer = %s", names);
2197         __bt_hf_agent_print_at_buffer("Indicator names :", names);
2198         while (cur != NULL) {
2199                 cur += 2;
2200                 next = strstr(cur, ",(");
2201                 ind = g_new0(struct indicator, 1);
2202                 g_strlcpy(ind->descr, cur, BT_HF_INDICATOR_DESCR_SIZE);
2203                 ind->descr[(intptr_t) next - (intptr_t) cur] = '\0';
2204                 list = g_slist_append(list, (gpointer) ind);
2205                 cur = strstr(next + 1, ",(");
2206         }
2207         return list;
2208 }
2209
2210 static GSList *__bt_hf_parse_indicator_values(gchar *values, GSList *indices)
2211 {
2212         gint val;
2213         struct indicator *ind;
2214         GSList *runner = indices;
2215
2216         gchar *cur = values - 1;
2217         DBG("Indicator string = %s", values);
2218         __bt_hf_agent_print_at_buffer("Indicator values :", values);
2219         while (cur != NULL) {
2220                 cur += 1;
2221                 sscanf(cur, "%1d", &val);
2222                 cur = strchr(cur, ',');
2223                 ind = g_slist_nth_data(runner, 0);
2224                 ind->value = val;
2225                 runner = g_slist_next(runner);
2226         }
2227         return indices;
2228 }
2229
2230 static guint __bt_hf_get_hold_mpty_features(gchar *features)
2231 {
2232         guint result = 0;
2233
2234         if (strstr(features, "0"))
2235                 result |= BT_HF_CHLD_0;
2236
2237         if (strstr(features, "1"))
2238                 result |= BT_HF_CHLD_1;
2239
2240         if (strstr(features, "1x"))
2241                 result |= BT_HF_CHLD_1x;
2242
2243         if (strstr(features, "2"))
2244                 result |= BT_HF_CHLD_2;
2245
2246         if (strstr(features, "2x"))
2247                 result |= BT_HF_CHLD_2x;
2248
2249         if (strstr(features, "3"))
2250                 result |= BT_HF_CHLD_3;
2251
2252         if (strstr(features, "4"))
2253                 result |= BT_HF_CHLD_4;
2254
2255         return result;
2256 }
2257
2258 static gboolean __bt_hf_agent_sco_conn_cb(GIOChannel *chan, GIOCondition cond, gpointer user_data)
2259 {
2260         bt_hf_agent_info_t *bt_hf_info = user_data;
2261         GDBusConnection *conn;
2262
2263         DBG("");
2264         if (cond & G_IO_NVAL)
2265                 return FALSE;
2266
2267         if (cond & (G_IO_HUP | G_IO_ERR)) {
2268                 g_io_channel_shutdown(chan, TRUE, NULL);
2269                 close(bt_hf_info->cli_sco_fd);
2270                 g_io_channel_unref(chan);
2271                 DBG("Emit AudioDisconnected Signal");
2272
2273                 sco_audio_connected = BT_HF_AUDIO_DISCONNECTED;
2274
2275                 conn = __bt_hf_get_gdbus_connection();
2276                 if (!conn) {
2277                         ERR("Unable to get connection");
2278                         return FALSE;
2279                 }
2280                 __bt_hf_agent_emit_signal(conn,
2281                                 BT_HF_AGENT_OBJECT_PATH,
2282                                 BT_HF_SERVICE_INTERFACE,
2283                                 "AudioDisconnected", NULL);
2284
2285                 return FALSE;
2286         }
2287
2288         return TRUE;
2289 }
2290
2291 static gboolean __bt_agent_query_and_update_call_list(gpointer data)
2292 {
2293         DBG("+");
2294         bt_hf_agent_info_t *bt_hf_info = data;
2295
2296         if (bt_hf_info->cli_sco_fd >= 0)
2297                 __bt_hf_agent_handle_call_list(bt_hf_info);
2298         else
2299                 INFO("SCO Audio is already disconnected");
2300
2301         DBG("-");
2302
2303         return FALSE;
2304 }
2305
2306 static gboolean __bt_hf_agent_sco_accept_cb(GIOChannel *chan, GIOCondition cond, gpointer user_data)
2307 {
2308         bt_hf_agent_info_t *bt_hf_info = user_data;
2309         int sco_skt;
2310         int cli_sco_sock;
2311         GIOChannel *sco_io;
2312         GDBusConnection *conn;
2313
2314         INFO("Incoming SCO....");
2315
2316         if (cond & G_IO_NVAL)
2317                 return FALSE;
2318
2319         sco_skt = g_io_channel_unix_get_fd(chan);
2320
2321         if (cond & (G_IO_HUP | G_IO_ERR)) {
2322                 close(sco_skt);
2323                 return FALSE;
2324         }
2325
2326         cli_sco_sock = accept(sco_skt, NULL, NULL);
2327         if (cli_sco_sock < 0)
2328                 return FALSE;
2329
2330         bt_hf_info->cli_sco_fd = cli_sco_sock;
2331
2332         sco_io = g_io_channel_unix_new(cli_sco_sock);
2333         g_io_channel_set_close_on_unref(sco_io, TRUE);
2334         g_io_channel_set_encoding(sco_io, NULL, NULL);
2335         g_io_channel_set_flags(sco_io, G_IO_FLAG_NONBLOCK, NULL);
2336         g_io_channel_set_buffered(sco_io, FALSE);
2337
2338         g_io_add_watch(sco_io, G_IO_HUP | G_IO_ERR | G_IO_NVAL,
2339                                         __bt_hf_agent_sco_conn_cb, bt_hf_info);
2340
2341         /* S-Voice app requires the AudioConnected signal earlier */
2342         DBG("Emit AudioConnected Signal");
2343
2344         sco_audio_connected = BT_HF_AUDIO_CONNECTED;
2345
2346         conn = __bt_hf_get_gdbus_connection();
2347         if (!conn) {
2348                 ERR("Unable to get connection");
2349                 return FALSE;
2350         }
2351
2352         __bt_hf_agent_emit_signal(conn,
2353                         BT_HF_AGENT_OBJECT_PATH,
2354                         BT_HF_SERVICE_INTERFACE,
2355                         "AudioConnected", NULL);
2356
2357         /* In the case of incoming call, the call app is already launched,
2358          * hence AudioConnected signal is enough to update the call status.
2359          * In the case of outgoing call we need to lauch the callapp.
2360          */
2361
2362         g_idle_add(__bt_agent_query_and_update_call_list, bt_hf_info);
2363
2364         return TRUE;
2365 }
2366
2367 void _bt_convert_addr_string_to_type_rev(unsigned char *addr,
2368                                         const char *address)
2369 {
2370         int i;
2371         char *ptr = NULL;
2372
2373         ret_if(address == NULL);
2374         ret_if(addr == NULL);
2375
2376         for (i = 0; i < 6; i++) {
2377                 addr[5 - i] = strtol(address, &ptr, 16);
2378                 if (ptr[0] != '\0') {
2379                         if (ptr[0] != ':')
2380                                 return;
2381
2382                         address = ptr + 1;
2383                 }
2384         }
2385 }
2386
2387 static gboolean __bt_hf_agent_sco_accept(bt_hf_agent_info_t *bt_hf_info)
2388 {
2389         struct sockaddr_sco addr;
2390         GIOChannel *sco_io;
2391         bdaddr_t bd_addr = {{0},};
2392         int sco_skt;
2393
2394         if (bt_hf_info->state != BT_HF_STATE_CONNECTED)
2395                 return FALSE;
2396
2397         /* Create socket */
2398         sco_skt = socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO);
2399         if (sco_skt < 0) {
2400                 ERR("Can't create socket:\n");
2401                 return FALSE;
2402         }
2403
2404         /* Bind to local address */
2405         memset(&addr, 0, sizeof(addr));
2406         addr.sco_family = AF_BLUETOOTH;
2407
2408         DBG("Bind to address %s", bt_hf_info->remote_addr);
2409
2410         _bt_convert_addr_string_to_type_rev(bd_addr.b, bt_hf_info->remote_addr);
2411         memcpy(&addr.sco_bdaddr, &bd_addr, sizeof(bdaddr_t));
2412
2413         if (bind(sco_skt, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
2414                 ERR("Can't bind socket:\n");
2415                 goto error;
2416         }
2417
2418         if (listen(sco_skt, 1)) {
2419                 ERR("Can not listen on the socket:\n");
2420                 goto error;
2421         }
2422
2423         sco_io = g_io_channel_unix_new(sco_skt);
2424         g_io_channel_set_close_on_unref(sco_io, TRUE);
2425         g_io_channel_set_encoding(sco_io, NULL, NULL);
2426         g_io_channel_set_flags(sco_io, G_IO_FLAG_NONBLOCK, NULL);
2427         g_io_channel_set_buffered(sco_io, FALSE);
2428
2429         bt_hf_info->sco_fd = sco_skt;
2430         bt_hf_info->sco_io_chan = sco_io;
2431
2432         bt_hf_info->sco_watch_id = g_io_add_watch(sco_io,
2433                         G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL, __bt_hf_agent_sco_accept_cb, bt_hf_info);
2434
2435         g_io_channel_unref(sco_io);
2436
2437         return TRUE;
2438
2439 error:
2440         close(sco_skt);
2441         return FALSE;
2442 }
2443
2444 static gboolean __bt_get_supported_indicators(bt_hf_agent_info_t *bt_hf_info)
2445 {
2446         gchar buf[BT_HF_DATA_BUF_SIZE] = {0,};
2447         gboolean ret;
2448
2449         ret = __bt_hf_send_and_read(bt_hf_info, BT_HF_INDICATORS_SUPP, buf,
2450                                 sizeof(BT_HF_INDICATORS_SUPP) - 1);
2451         if (!ret || !strstr(buf, "+CIND:"))
2452                 return FALSE;
2453
2454         bt_hf_info->indies = __bt_hf_parse_indicator_names(strchr(buf, '('), NULL);
2455
2456         return TRUE;
2457 }
2458
2459 static gboolean __bt_get_bia_cmd(bt_hf_agent_info_t *bt_hf_info, gchar *cmd, gsize cmd_size)
2460 {
2461         GSList *l;
2462         gsize ret;
2463
2464         if (bt_hf_info == NULL || cmd == NULL) {
2465                 ERR("Invalid parameter");
2466                 return FALSE;
2467         }
2468
2469         ret = g_strlcpy(cmd, BT_HF_INDICATORS_ACTIVATION, cmd_size);
2470
2471         for (l = bt_hf_info->indies; l != NULL; l = g_slist_next(l)) {
2472                 ret = g_strlcat(cmd, "0,", cmd_size);
2473                 if (ret >= cmd_size) {
2474                         ERR("Too many indices");
2475                         return FALSE;
2476                 }
2477
2478         }
2479
2480         cmd[ret - 1] = '\0';
2481         DBG("BIA Str : %s", cmd);
2482
2483         ret = g_strlcat(cmd, "\r", cmd_size);
2484         if (ret >= cmd_size) {
2485                 ERR("Too many indices");
2486                 return FALSE;
2487         }
2488
2489         return TRUE;
2490 }
2491
2492 static gboolean __bt_get_current_indicators(bt_hf_agent_info_t *bt_hf_info)
2493 {
2494         gchar buf[BT_HF_DATA_BUF_SIZE] = {0,};
2495         gboolean ret;
2496         gchar *str;
2497         GSList *l;
2498         int index =  1;
2499
2500         ret = __bt_hf_send_and_read(bt_hf_info, BT_HF_INDICATORS_VAL, buf,
2501                 sizeof(BT_HF_INDICATORS_VAL) - 1);
2502         if (!ret || !strstr(buf, "+CIND:"))
2503                 return FALSE;
2504
2505         /* if buf has other command prefix, skip it */
2506         str = strstr(buf, "+CIND");
2507         if (str == NULL)
2508                 return FALSE;
2509
2510         bt_hf_info->indies = __bt_hf_parse_indicator_values(str + 6, bt_hf_info->indies);
2511
2512         /* Parse the updated value */
2513         for (l = bt_hf_info->indies; l != NULL; l = g_slist_next(l), ++index) {
2514                 struct indicator *ind = l->data;
2515                 if (!ind) {
2516                         DBG("Index is NULL");
2517                         break;
2518                 }
2519
2520                 if (0 == g_strcmp0(ind->descr, "\"call\"")) {
2521                         DBG("CIND Match found index = %d, %s, value = %d",
2522                                                 index, ind->descr, ind->value);
2523                         bt_hf_info->ciev_call_status = ind->value;
2524                         if (ind->value > 0) {
2525                                 bt_hf_info->is_dialing = FALSE;
2526                                 bt_hf_info->call_active = TRUE;
2527                         }
2528                 } else if (0 == g_strcmp0(ind->descr, "\"callsetup\"")) {
2529                         DBG("CIND Match found index = %d, %s, value = %d",
2530                                                 index, ind->descr, ind->value);
2531                         bt_hf_info->ciev_call_setup_status = ind->value;
2532                         if (!bt_hf_info->is_dialing && ind->value > 0)
2533                                 bt_hf_info->is_dialing = TRUE;
2534                 }
2535         }
2536
2537         return TRUE;
2538 }
2539
2540 static gboolean __bt_establish_service_level_conn(bt_hf_agent_info_t *bt_hf_info)
2541 {
2542         gchar buf[BT_HF_DATA_BUF_SIZE];
2543         gchar cmd_buf[BT_HF_CMD_BUF_SIZE] = {0};
2544         gboolean ret;
2545         char *buf_ptr;
2546         guint feature = BT_HF_FEATURE_EC_ANDOR_NR |
2547                         BT_HF_FEATURE_CALL_WAITING_AND_3WAY |
2548                         BT_HF_FEATURE_CLI_PRESENTATION |
2549                         BT_HF_FEATURE_VOICE_RECOGNITION |
2550                         BT_HF_FEATURE_REMOTE_VOLUME_CONTROL |
2551                         BT_HF_FEATURE_ENHANCED_CALL_STATUS |
2552                         BT_HF_FEATURE_CODEC_NEGOTIATION;
2553
2554         snprintf(cmd_buf, sizeof(cmd_buf), BT_HF_FEATURES, feature);
2555         ret = __bt_hf_send_and_read(bt_hf_info, cmd_buf, buf,
2556                                 strlen(cmd_buf));
2557         if (!ret)
2558                 return FALSE;
2559
2560         buf_ptr = strstr(buf, "\r\n+BRSF:");
2561         if (buf_ptr == NULL)
2562                 return FALSE;
2563
2564         if (!ret || sscanf(buf_ptr, "\r\n+BRSF:%5d", &bt_hf_info->ag_features) != 1)
2565                 return FALSE;
2566         INFO("Gateway supported features are 0x%X", bt_hf_info->ag_features);
2567
2568         if (bt_hf_info->ag_features & BT_AG_FEATURE_CODEC_NEGOTIATION) {
2569                 ret = _hf_agent_codec_setup(bt_hf_info->remote_addr, BT_HF_CODEC_ID_MSBC);
2570                 if (ret != BT_HF_AGENT_ERROR_NONE)
2571                         ERR("Unable to set the default WBC codec");
2572
2573                 ret = __bt_hf_send_available_codec(bt_hf_info, 0);
2574                 if (!ret)
2575                         return FALSE;
2576         } else {
2577                 /* Default codec is NB */
2578                 ret = _hf_agent_codec_setup(bt_hf_info->remote_addr, BT_HF_CODEC_ID_CVSD);
2579                 if (ret != BT_HF_AGENT_ERROR_NONE)
2580                         ERR("Unable to set the default NBC codec");
2581         }
2582
2583         ret = __bt_get_supported_indicators(bt_hf_info);
2584         if (!ret)
2585                 return FALSE;
2586
2587
2588         ret = __bt_get_current_indicators(bt_hf_info);
2589         if (!ret)
2590                 return FALSE;
2591
2592         ret = __bt_hf_send_and_read(bt_hf_info, BT_HF_INDICATORS_ENABLE, buf,
2593                                         sizeof(BT_HF_INDICATORS_ENABLE) - 1);
2594         if (!ret || !strstr(buf, "OK"))
2595                 return FALSE;
2596
2597         if ((bt_hf_info->ag_features & BT_AG_FEATURE_3WAY) != 0) {
2598                 ret = __bt_hf_send_and_read(bt_hf_info, BT_HF_HOLD_MPTY_SUPP,
2599                                         buf, sizeof(BT_HF_HOLD_MPTY_SUPP) - 1);
2600                 if (!ret || !strstr(buf, "+CHLD:")) {
2601                         ERR("Unable to get the CHLD Supported info");
2602                         return FALSE;
2603                 }
2604                 bt_hf_info->hold_multiparty_features = __bt_hf_get_hold_mpty_features(
2605                                                         strchr(buf, '('));
2606         } else
2607                 bt_hf_info->hold_multiparty_features = 0;
2608
2609         INFO("Service layer connection successfully established...!");
2610
2611         __bt_hf_send_and_read(bt_hf_info, BT_HF_CALLER_IDENT_ENABLE, buf,
2612                         sizeof(BT_HF_CALLER_IDENT_ENABLE) - 1);
2613         __bt_hf_send_and_read(bt_hf_info, BT_HF_CARRIER_FORMAT, buf,
2614                         sizeof(BT_HF_CARRIER_FORMAT) - 1);
2615         __bt_hf_send_and_read(bt_hf_info, BT_HF_CALLWAIT_NOTI_ENABLE, buf,
2616                         sizeof(BT_HF_CALLWAIT_NOTI_ENABLE) - 1);
2617
2618         if ((bt_hf_info->ag_features & BT_AG_FEATURE_NREC) != 0)
2619                 __bt_hf_send_and_read(bt_hf_info, BT_HF_NREC, buf,
2620                                                 sizeof(BT_HF_NREC) - 1);
2621
2622         if ((bt_hf_info->ag_features & BT_AG_FEATURE_EXTENDED_RES_CODE) != 0)
2623                 __bt_hf_send_and_read(bt_hf_info, BT_HF_EXTENDED_RESULT_CODE,
2624                         buf, sizeof(BT_HF_EXTENDED_RESULT_CODE) - 1);
2625
2626         if (__bt_get_bia_cmd(bt_hf_info, cmd_buf, sizeof(cmd_buf)) == TRUE)
2627                 __bt_hf_send_and_read(bt_hf_info, cmd_buf, buf, strlen(cmd_buf));
2628         else
2629                 ERR("__bt_get_bia_cmd is failed");
2630
2631         ret = __bt_hf_send_and_read(bt_hf_info, BT_HF_XSAT, buf,
2632                                                 sizeof(BT_HF_XSAT) - 1);
2633         if (ret)
2634                 DBG("sent BT_HF_XSAT");
2635         else
2636                 ERR("BT_HF_XSAT sending failed");
2637
2638         /* send Bluetooth Samsung Support Feature cmd */
2639         ret = __bt_hf_send_and_read(bt_hf_info, BT_HF_BSSF, buf,
2640                                                 sizeof(BT_HF_BSSF) - 1);
2641         if (ret)
2642                 INFO("SLC completed with all commands");
2643         else
2644                 ERR("BT_HF_BSSF sending failed");
2645
2646         bt_hf_info->slc = TRUE;
2647         send_flag = FALSE;
2648         g_id = 0;
2649         memset(global_buff, 0, sizeof(global_buff));
2650         return TRUE;
2651 }
2652
2653 static void __bt_hf_agent_sigterm_handler(int signo)
2654 {
2655         ERR_C("***** Signal handler came with signal %d *****", signo);
2656         GDBusConnection *conn;
2657
2658         conn = __bt_hf_get_gdbus_connection();
2659         if (!conn) {
2660                 ERR("Unable to get connection");
2661                 return;
2662         }
2663
2664         __bt_hf_agent_emit_signal(conn,
2665                         BT_HF_AGENT_OBJECT_PATH,
2666                         BT_HF_SERVICE_INTERFACE,
2667                         "CallEnded", NULL);
2668         DBG("CallEnded Signal done");
2669         if (gmain_loop) {
2670                 g_main_loop_quit(gmain_loop);
2671                 DBG("Exiting");
2672                 gmain_loop = NULL;
2673         } else {
2674                 INFO_C("Terminating HF agent");
2675                 exit(0);
2676         }
2677 }
2678
2679 static void __bt_convert_addr_type_to_rev_string(char *address,
2680                                 unsigned char *addr)
2681 {
2682         ret_if(address == NULL);
2683         ret_if(addr == NULL);
2684
2685         g_snprintf(address, BT_ADDRESS_STRING_SIZE,
2686                         "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X",
2687                         addr[5], addr[4], addr[3], addr[2], addr[1], addr[0]);
2688 }
2689
2690
2691 static gboolean __bt_hf_agent_release_after(gpointer user_data)
2692 {
2693         if (__bt_hf_agent_release() == FALSE)
2694                 ERR("Unable to release hf connection");
2695
2696         return FALSE;
2697 }
2698
2699 static gboolean __bt_agent_request_service_level_conn(gpointer data)
2700 {
2701         char *remote_addr;
2702         int bt_device_state = VCONFKEY_BT_DEVICE_NONE;
2703         GDBusConnection *conn;
2704
2705         DBG("+");
2706         memset(prev_cmd, 0, BT_HF_CMD_BUF_SIZE);
2707
2708         if (!__bt_establish_service_level_conn(&bt_hf_info)) {
2709                 ERR("Service Level Connection is fail");
2710
2711                 conn = __bt_hf_get_gdbus_connection();
2712                 if (conn) {
2713                         remote_addr = bt_hf_info.remote_addr;
2714                         __bt_hf_agent_emit_signal(conn,
2715                                         BT_HF_AGENT_OBJECT_PATH,
2716                                         BT_HF_SERVICE_INTERFACE,
2717                                         "Connected",
2718                                         g_variant_new("(s)", remote_addr));
2719                 }
2720                 bt_hf_info.state = BT_HF_STATE_CONNECTED;
2721
2722                 if (vconf_get_int(VCONFKEY_BT_DEVICE, &bt_device_state) == 0) {
2723                         DBG("BT device state is : 0x%X", bt_device_state);
2724                         bt_device_state |= VCONFKEY_BT_DEVICE_AG_CONNECTED;
2725                         if (vconf_set_int(VCONFKEY_BT_DEVICE, bt_device_state) != 0) {
2726                                 ERR("vconf_set_int failed");
2727                         }
2728                 } else {
2729                         ERR("vconf_get_int failed");
2730                 }
2731
2732                 g_idle_add(__bt_hf_agent_release_after, NULL);
2733
2734                 goto done;
2735         }
2736
2737         bt_hf_info.state = BT_HF_STATE_CONNECTED;
2738
2739         __bt_hf_agent_sco_accept(&bt_hf_info);
2740
2741         __bt_hf_agent_start_watch(&bt_hf_info);
2742
2743         remote_addr = bt_hf_info.remote_addr;
2744
2745         INFO_SECURE("Address is : %s", remote_addr);
2746         INFO_C("Connected [HF role]");
2747
2748         if (vconf_get_int(VCONFKEY_BT_DEVICE, &bt_device_state) == 0) {
2749                 DBG("BT device state is : 0x%X", bt_device_state);
2750                 bt_device_state |= VCONFKEY_BT_DEVICE_AG_CONNECTED;
2751                 if (vconf_set_int(VCONFKEY_BT_DEVICE, bt_device_state) != 0) {
2752                         ERR("vconf_set_int failed");
2753                 }
2754         } else {
2755                 ERR("vconf_get_int failed");
2756         }
2757
2758         conn = __bt_hf_get_gdbus_connection();
2759         if (!conn) {
2760                 ERR("Unable to get connection");
2761                 return FALSE;
2762         }
2763
2764         __bt_hf_agent_emit_signal(conn,
2765                         BT_HF_AGENT_OBJECT_PATH,
2766                         BT_HF_SERVICE_INTERFACE,
2767                         "Connected",
2768                         g_variant_new("(s)", remote_addr));
2769
2770         /* Request the call list and launch call app if required */
2771         __bt_hf_agent_handle_call_list(&bt_hf_info);
2772
2773 done:
2774         DBG("-");
2775         return FALSE;
2776 }
2777
2778 static gboolean __bt_hf_agent_connection(gint32 fd, const gchar *obj_path)
2779 {
2780         GIOFlags flags;
2781
2782         struct sockaddr_remote address;
2783         socklen_t address_len;
2784         bt_hf_info.path = g_strdup(obj_path);
2785
2786         INFO_C("**** New HFP connection ****");
2787
2788         is_hf_connected = TRUE;
2789
2790         address_len = sizeof(address);
2791         if (getpeername(fd, (struct sockaddr *) &address, &address_len) != 0)
2792                 ERR("BD_ADDR is NULL");
2793
2794         DBG("RFCOMM connection for HFP is completed. Fd = [%d]\n", fd);
2795         bt_hf_info.fd = fd;
2796         bt_hf_info.io_chan = g_io_channel_unix_new(bt_hf_info.fd);
2797         flags = g_io_channel_get_flags(bt_hf_info.io_chan);
2798
2799         flags &= ~G_IO_FLAG_NONBLOCK;
2800         flags &= G_IO_FLAG_MASK;
2801         g_io_channel_set_flags(bt_hf_info.io_chan, flags, NULL);
2802         g_io_channel_set_encoding(bt_hf_info.io_chan, NULL, NULL);
2803         g_io_channel_set_buffered(bt_hf_info.io_chan, FALSE);
2804
2805         bt_hf_info.remote_addr = g_malloc0(BT_ADDRESS_STRING_SIZE);
2806         __bt_convert_addr_type_to_rev_string(bt_hf_info.remote_addr,
2807                                                 address.remote_bdaddr.b);
2808
2809         g_idle_add(__bt_agent_request_service_level_conn, NULL);
2810
2811         return TRUE;
2812 }
2813
2814 static void __bt_hf_agent_indicator_free(gpointer mem)
2815 {
2816         g_free(mem);
2817 }
2818
2819 static gboolean __bt_hf_agent_release(void)
2820 {
2821         int bt_device_state = VCONFKEY_BT_DEVICE_NONE;
2822         GDBusConnection *conn;
2823
2824         if (bt_hf_info.state == BT_HF_STATE_DISCONNECTED) {
2825                 ERR("hf is already disconnected");
2826                 return FALSE;
2827         }
2828
2829         if (bt_hf_info.indies) {
2830                 g_slist_free_full(bt_hf_info.indies, __bt_hf_agent_indicator_free);
2831                 bt_hf_info.indies = NULL;
2832         }
2833
2834         if (bt_hf_info.io_chan) {
2835                 g_io_channel_shutdown(bt_hf_info.io_chan, TRUE, NULL);
2836                 g_io_channel_unref(bt_hf_info.io_chan);
2837                 bt_hf_info.io_chan = NULL;
2838         }
2839
2840         if (bt_hf_info.sco_watch_id > 0) {
2841                 g_source_remove(bt_hf_info.sco_watch_id);
2842                 bt_hf_info.sco_watch_id = 0;
2843         }
2844
2845         bt_hf_info.state = BT_HF_STATE_DISCONNECTED;
2846
2847         __bt_hf_agent_release_queue();
2848
2849         if (vconf_get_int(VCONFKEY_BT_DEVICE, &bt_device_state) == 0) {
2850                 DBG("BT device state is : 0x%X", bt_device_state);
2851                 bt_device_state ^= VCONFKEY_BT_DEVICE_AG_CONNECTED;
2852                 if (vconf_set_int(VCONFKEY_BT_DEVICE, bt_device_state) != 0) {
2853                         ERR("vconf_set_int failed");
2854                 }
2855         } else {
2856                 ERR("vconf_get_int failed");
2857         }
2858
2859         __bt_hf_agent_stop_watch(&bt_hf_info);
2860         conn = __bt_hf_get_gdbus_connection();
2861         if (!conn) {
2862                 ERR("Unable to get connection");
2863                 return FALSE;
2864         }
2865
2866         __bt_hf_agent_emit_signal(conn,
2867                         BT_HF_AGENT_OBJECT_PATH,
2868                         BT_HF_SERVICE_INTERFACE,
2869                         "Disconnected",
2870                         g_variant_new("(s)", bt_hf_info.remote_addr));
2871
2872         g_free(bt_hf_info.path);
2873         bt_hf_info.path = NULL;
2874
2875         g_free(bt_hf_info.remote_addr);
2876         bt_hf_info.remote_addr = NULL;
2877
2878         is_hf_connected = FALSE;
2879
2880         return TRUE;
2881 }
2882
2883 static gboolean __bt_hf_agent_connection_release(void)
2884 {
2885         return __bt_hf_agent_release();
2886 }
2887
2888 static int __bt_hf_register_profile(const char *uuid, uint16_t version,
2889                  const char *name, const char *object, uint16_t features)
2890 {
2891         DBG("+");
2892         GDBusProxy *proxy;
2893         GVariant *ret;
2894         GError *error = NULL;
2895         GVariantBuilder *builder;
2896         gchar *path = NULL;
2897
2898         proxy = __bt_hf_gdbus_get_service_proxy(BLUEZ_SERVICE_NAME,
2899                         "/org/bluez", BLUEZ_PROFILE_MGMT_INTERFACE);
2900
2901         if (proxy == NULL)
2902                 return BT_HF_AGENT_ERROR_INTERNAL;
2903
2904         path = g_strdup(BT_HF_BLUEZ_OBJECT_PATH);
2905
2906         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
2907
2908         g_variant_builder_add(builder, "{sv}",
2909                         "Name", g_variant_new("s",
2910                         name));
2911         g_variant_builder_add(builder, "{sv}",
2912                         "Version", g_variant_new("q", version));
2913
2914         g_variant_builder_add(builder, "{sv}",
2915                         "features", g_variant_new("q", features));
2916
2917         ret = g_dbus_proxy_call_sync(proxy, "RegisterProfile",
2918                                 g_variant_new("(osa{sv})", path,
2919                                         HFP_HF_UUID, builder),
2920                                 G_DBUS_CALL_FLAGS_NONE, -1,
2921                                 NULL, &error);
2922
2923         g_variant_builder_unref(builder);
2924
2925         if (ret == NULL) {
2926                 /* dBUS-RPC is failed */
2927                 ERR("dBUS-RPC is failed");
2928                 if (error != NULL) {
2929                         /* dBUS gives error cause */
2930                         ERR("D-Bus API failure: errCode[%x], message[%s]",
2931                                 error->code, error->message);
2932                         g_clear_error(&error);
2933                 }
2934                 g_free(path);
2935                 return BT_HF_AGENT_ERROR_INTERNAL;
2936         }
2937         g_variant_unref(ret);
2938         g_free(path);
2939
2940         DBG("-");
2941         return BT_HF_AGENT_ERROR_NONE;
2942 }
2943
2944 static void __bt_hf_agent_register(void)
2945 {
2946         DBG("+");
2947         int ret;
2948         char *name;
2949         uint16_t version = hf_ver;
2950         uint16_t features = bt_hf_info.feature;
2951
2952         gchar *path = g_strdup(BT_HF_BLUEZ_OBJECT_PATH);
2953         name = g_strdup("Hands-Free");
2954
2955         ret = __bt_hf_register_profile(HFP_HF_UUID, version, name, path,
2956                                                                 features);
2957         if (ret)
2958                 ERR("Error in register");
2959
2960         g_free(path);
2961         g_free(name);
2962
2963         DBG("-");
2964         return;
2965 }
2966
2967 static void __bt_hf_agent_unregister(void)
2968 {
2969         DBG("+");
2970
2971         gchar *path = g_strdup(BT_HF_BLUEZ_OBJECT_PATH);
2972
2973         if (g_obj_path) {
2974                 __bt_hf_agent_gdbus_method_send(BLUEZ_SERVICE_NAME,
2975                                                 g_variant_new("(o)", path),
2976                                                 BLUEZ_HF_INTERFACE_NAME,
2977                                                 "UnregisterAgent");
2978                 g_free(g_obj_path);
2979                 g_obj_path = NULL;
2980         }
2981
2982         g_free(path);
2983
2984         DBG("-");
2985         return;
2986 }
2987
2988 static void __bt_hf_agent_filter_cb(GDBusConnection *connection,
2989                                                  const gchar *sender_name,
2990                                                  const gchar *object_path,
2991                                                  const gchar *interface_name,
2992                                                  const gchar *signal_name,
2993                                                  GVariant *parameters,
2994                                                  gpointer user_data)
2995 {
2996         DBG("+");
2997         char *path = NULL;
2998
2999         GVariant *optional_param;
3000
3001         if (strcasecmp(signal_name, "InterfacesAdded") == 0) {
3002
3003                 g_variant_get(parameters, "(&o@a{sa{sv}})",
3004                                 &path, &optional_param);
3005                 if (!path) {
3006                         ERR("Invalid adapter path");
3007                         return;
3008                 }
3009
3010                 if (strcasecmp(path, DEFAULT_ADAPTER_OBJECT_PATH) == 0) {
3011                         g_obj_path = g_strdup(path);
3012                         INFO("Adapter Path = [%s]", path);
3013                         __bt_hf_agent_register();
3014                 }
3015         } else if (strcasecmp(signal_name, "InterfacesRemoved") == 0) {
3016                 g_variant_get(parameters, "(&o@as)", &path, &optional_param);
3017                 if (!path)
3018                         __bt_hf_agent_unregister();
3019         }
3020         DBG("-");
3021 }
3022
3023 static void __bt_hf_agent_dbus_init(void)
3024 {
3025         GDBusConnection *conn;
3026
3027         DBG("+");
3028
3029         conn = __bt_hf_get_gdbus_connection();
3030         if (conn == NULL) {
3031                 ERR("Error in creating the gdbus connection\n");
3032                 return;
3033         }
3034         if (!__bt_hf_register_profile_methods()) {
3035                 ERR("Error in register_profile_methods\n");
3036                 return;
3037         }
3038
3039         owner_sig_id = g_dbus_connection_signal_subscribe(conn,
3040                                 NULL, BT_MANAGER_INTERFACE, NULL, NULL, NULL, 0,
3041                                 __bt_hf_agent_filter_cb, NULL, NULL);
3042         DBG("-");
3043         return;
3044 }
3045
3046 static void __bt_hf_agent_dbus_deinit(void)
3047 {
3048
3049         if (service_gproxy) {
3050                 g_object_unref(service_gproxy);
3051                 service_gproxy = NULL;
3052         }
3053
3054         if (gdbus_conn) {
3055                 if (owner_sig_id != -1)
3056                         g_dbus_connection_signal_unsubscribe(gdbus_conn,
3057                                                 owner_sig_id);
3058
3059                 g_object_unref(gdbus_conn);
3060                 gdbus_conn = NULL;
3061         }
3062         return;
3063 }
3064
3065 static int _hf_agent_answer_call(GDBusMethodInvocation *context)
3066 {
3067         int ret;
3068
3069         DBG("+\n");
3070         if (bt_hf_info.state != BT_HF_STATE_CONNECTED) {
3071                 ERR("HF not Connected");
3072                 return BT_HF_AGENT_ERROR_NOT_CONNECTED;
3073         }
3074         bt_hf_info.context = context;
3075
3076         ret = __bt_hf_send_only(&bt_hf_info, BT_HF_ANSWER_CALL,
3077                                 sizeof(BT_HF_ANSWER_CALL) - 1);
3078         if (!ret)
3079                 return BT_HF_AGENT_ERROR_INTERNAL;
3080
3081         DBG("-\n");
3082         return BT_HF_AGENT_ERROR_NONE;
3083
3084 }
3085
3086 static int _hf_agent_terminate_call(GDBusMethodInvocation *context)
3087 {
3088         int ret;
3089
3090         DBG("+\n");
3091         if (bt_hf_info.state != BT_HF_STATE_CONNECTED) {
3092                 ERR("HF not Connected");
3093                 return BT_HF_AGENT_ERROR_NOT_CONNECTED;
3094         }
3095
3096         bt_hf_info.context = context;
3097
3098         ret = __bt_hf_send_only(&bt_hf_info, BT_HF_END_CALL,
3099                                 sizeof(BT_HF_END_CALL) - 1);
3100         if (!ret)
3101                 return BT_HF_AGENT_ERROR_INTERNAL;
3102
3103         DBG("-\n");
3104         return BT_HF_AGENT_ERROR_NONE;
3105 }
3106
3107 static int _hf_agent_dial_no(GDBusMethodInvocation *context, char *no)
3108 {
3109         int ret;
3110         char buf[BT_MAX_TEL_NUM_STR + 6] = {0};
3111
3112         if (bt_hf_info.state != BT_HF_STATE_CONNECTED) {
3113                 ERR("HF not Connected");
3114                 return BT_HF_AGENT_ERROR_NOT_CONNECTED;
3115         }
3116
3117         bt_hf_info.context = context;
3118
3119         if (strlen(no) > 0) {
3120                 snprintf(buf, sizeof(buf),  BT_HF_DIAL_NO, no);
3121
3122                 if (strstr(prev_cmd, "ATD") && bt_hf_info.ciev_call_status == 0
3123                                                 && bt_hf_info.ciev_call_setup_status == 0) {
3124                         INFO("RAD POPUP CANCEL CASE. send ATD w/o response - KOR REQUEST");
3125                         ret = __bt_hf_send_only_without_queue(&bt_hf_info, buf, strlen(buf));
3126                         if (send_flag)
3127                                 send_flag--;
3128                 } else {
3129                         ret = __bt_hf_send_only(&bt_hf_info, buf, strlen(buf));
3130                 }
3131
3132                 /* prev_cmd is meant for only meant for ATD & AT+BLDN Error handling */
3133                 snprintf(prev_cmd, BT_HF_CMD_BUF_SIZE, "%s", buf);
3134
3135                 if (!ret)
3136                         return BT_HF_AGENT_ERROR_INTERNAL;
3137
3138                 return BT_HF_AGENT_ERROR_NONE;
3139         }
3140
3141         /* prev_cmd is meant for only meant for ATD & AT+BLDN Error handling */
3142         snprintf(prev_cmd, BT_HF_CMD_BUF_SIZE, "%s", BT_HF_REDIAL);
3143
3144         ret = __bt_hf_send_only(&bt_hf_info, BT_HF_REDIAL,
3145                                                 sizeof(BT_HF_REDIAL) - 1);
3146         if (!ret)
3147                 return BT_HF_AGENT_ERROR_INTERNAL;
3148
3149         return BT_HF_AGENT_ERROR_NONE;
3150 }
3151
3152 static int _hf_agent_voice_recognition(GDBusMethodInvocation *context, unsigned int status)
3153 {
3154         int ret;
3155         char buf[20] = {0};
3156
3157         if (bt_hf_info.state != BT_HF_STATE_CONNECTED) {
3158                 ERR("HF not Connected");
3159                 return BT_HF_AGENT_ERROR_NOT_CONNECTED;
3160         }
3161
3162         snprintf(buf, sizeof(buf),  BT_HF_VOICE_RECOGNITION, status);
3163
3164         bt_hf_info.context = context;
3165
3166         ret = __bt_hf_send_only(&bt_hf_info, buf, strlen(buf));
3167         if (!ret)
3168                 return BT_HF_AGENT_ERROR_INTERNAL;
3169
3170
3171         return BT_HF_AGENT_ERROR_NONE;
3172 }
3173
3174 static int _hf_agent_set_speaker_gain(GDBusMethodInvocation *context, unsigned int gain)
3175 {
3176         int ret;
3177         char buf[20] = {0};
3178
3179         if (bt_hf_info.state != BT_HF_STATE_CONNECTED) {
3180                 ERR("HF not Connected");
3181                 return BT_HF_AGENT_ERROR_NOT_CONNECTED;
3182         }
3183
3184         if (gain > BT_HF_MAX_SPEAKER_GAIN)
3185                 return BT_HF_AGENT_ERROR_INVALID_PARAM;
3186
3187         snprintf(buf, sizeof(buf),  BT_HF_SPEAKER_GAIN, gain);
3188
3189         bt_hf_info.context = context;
3190
3191         ret = __bt_hf_send_only(&bt_hf_info, buf,
3192                                 strlen(buf));
3193         if (!ret)
3194                 return BT_HF_AGENT_ERROR_INTERNAL;
3195
3196         return BT_HF_AGENT_ERROR_NONE;
3197
3198 }
3199
3200 static int _hf_agent_send_dtmf(GDBusMethodInvocation *context, char *dtmf)
3201 {
3202         int ret;
3203         char buf[20] = {0};
3204
3205         if (strlen(dtmf) <= 0)
3206                 return BT_HF_AGENT_ERROR_INVALID_PARAM;
3207
3208         if (bt_hf_info.state != BT_HF_STATE_CONNECTED) {
3209                 ERR("HF not Connected");
3210                 return BT_HF_AGENT_ERROR_NOT_CONNECTED;
3211         }
3212
3213         snprintf(buf, sizeof(buf),  BT_HF_DTMF, dtmf);
3214
3215         bt_hf_info.context = context;
3216
3217         ret = __bt_hf_send_only(&bt_hf_info, buf, strlen(buf));
3218         if (!ret)
3219                 return BT_HF_AGENT_ERROR_INTERNAL;
3220
3221
3222         return BT_HF_AGENT_ERROR_NONE;
3223 }
3224
3225
3226 static int _hf_agent_send_3way_cmd(GDBusMethodInvocation *context, char *cmd)
3227 {
3228         int ret;
3229
3230         if (strlen(cmd) <= 0)
3231                 return BT_HF_AGENT_ERROR_INVALID_PARAM;
3232
3233         bt_hf_info.context = context;
3234
3235         ret = __bt_hf_send_only(&bt_hf_info, cmd,
3236                                 strlen(cmd));
3237         if (!ret)
3238                 return BT_HF_AGENT_ERROR_INTERNAL;
3239
3240         return BT_HF_AGENT_ERROR_NONE;
3241 }
3242
3243 static gboolean bt_hf_agent_sco_disconnect(void)
3244 {
3245         DBG("+");
3246         GDBusConnection *conn;
3247
3248         close(bt_hf_info.cli_sco_fd);
3249         bt_hf_info.cli_sco_fd = -1;
3250
3251         DBG("Emit AudioDisconnected Signal");
3252         conn = __bt_hf_get_gdbus_connection();
3253         if (!conn) {
3254                 ERR("Unable to get connection");
3255                 return FALSE;
3256         }
3257
3258         sco_audio_connected = BT_HF_AUDIO_DISCONNECTED;
3259
3260         __bt_hf_agent_emit_signal(conn,
3261                         BT_HF_AGENT_OBJECT_PATH,
3262                         BT_HF_SERVICE_INTERFACE,
3263                         "AudioDisconnected", NULL);
3264         DBG("-");
3265         return TRUE;
3266 }
3267
3268 static GVariant *bt_hf_agent_request_call_list(void)
3269 {
3270         GSList *call_list = NULL;
3271         GVariant *var_data;
3272         DBG("+");
3273
3274         call_list = __bt_hf_get_call_list(&bt_hf_info);
3275         if (!call_list) {
3276                 INFO("call list is NULL");
3277                 return NULL;
3278         }
3279
3280         var_data = __bt_hf_agent_get_call_status_info(call_list);
3281         __bt_hf_free_call_list(call_list);
3282
3283         DBG("-");
3284         return var_data;
3285 }
3286
3287 static int bt_hf_agent_send_at_cmd(GDBusMethodInvocation *context, char *atcmd)
3288
3289 {
3290         gboolean ret;
3291         char cmd_buf[BT_MAX_TEL_NUM_STR + 20] = {0, };
3292
3293         DBG("+");
3294
3295         if (atcmd == NULL)
3296                 return  BT_HF_AGENT_ERROR_INVALID_PARAM;
3297
3298         if (bt_hf_info.state != BT_HF_STATE_CONNECTED)
3299                 return  BT_HF_AGENT_ERROR_NOT_CONNECTED;
3300
3301         /* Should not send cmds if DUT has sent a command and waiting for response */
3302         if (prev_cmd[0] != 0) {
3303                 INFO("DUT is waiting a respond for previous TX cmd. Skip sending.");
3304                 return BT_HF_AGENT_ERROR_INTERNAL;
3305         }
3306
3307         strncpy(cmd_buf, atcmd, sizeof(cmd_buf) - 2);
3308         strncat(cmd_buf, "\r", (sizeof(cmd_buf) - 1) - strlen(cmd_buf));
3309
3310         bt_hf_info.context = context;
3311
3312         ret = __bt_hf_send_only(&bt_hf_info, cmd_buf, strlen(cmd_buf));
3313         if (ret == FALSE)
3314                 return BT_HF_AGENT_ERROR_INTERNAL;
3315
3316         DBG("-");
3317         return BT_HF_AGENT_ERROR_NONE;
3318 }
3319
3320 static uint32_t __bt_hf_agent_get_hf_features(void)
3321 {
3322
3323         uint32_t hf_features = BT_HF_FEATURE_EC_ANDOR_NR |
3324                         BT_HF_FEATURE_CALL_WAITING_AND_3WAY |
3325                         BT_HF_FEATURE_CLI_PRESENTATION |
3326                         BT_HF_FEATURE_VOICE_RECOGNITION |
3327                         BT_HF_FEATURE_REMOTE_VOLUME_CONTROL |
3328                         BT_HF_FEATURE_ENHANCED_CALL_STATUS |
3329                         BT_HF_FEATURE_CODEC_NEGOTIATION;
3330
3331         hf_ver = HFP_VERSION_1_6;
3332
3333         return hf_features;
3334 }
3335
3336 int main(void)
3337 {
3338         struct sigaction sa;
3339         uint32_t hf_features;
3340
3341         INFO("Starting Bluetooth HF agent");
3342
3343         hf_features = __bt_hf_agent_get_hf_features();
3344         bt_hf_info.feature = (uint16_t) hf_features & 0x3F;
3345
3346         memset(&sa, 0, sizeof(sa));
3347         sa.sa_flags = SA_NOCLDSTOP;
3348         sa.sa_handler = __bt_hf_agent_sigterm_handler;
3349         sigaction(SIGTERM, &sa, NULL);
3350
3351         /* Temporarily, block the below signal for debugging */
3352 //      sigaction(SIGSEGV, &sa, NULL);
3353 //      sigaction(SIGABRT, &sa, NULL);
3354         gmain_loop = g_main_loop_new(NULL, FALSE);
3355
3356         if (gmain_loop == NULL) {
3357                 ERR("GMainLoop create failed\n");
3358                 return EXIT_FAILURE;
3359         }
3360
3361         __bt_hf_agent_dbus_init();
3362         g_main_loop_run(gmain_loop);
3363
3364         __bt_hf_agent_dbus_deinit();
3365
3366         if (gmain_loop)
3367                 g_main_loop_unref(gmain_loop);
3368
3369         INFO("Terminating Bluetooth HF agent");
3370         return 0;
3371 }