bt-api/bt-request-sender.c

   1 /*
   2  * Bluetooth-frwk
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact:  Hocheol Seo <hocheol.seo@samsung.com>
   7  *               Girishashok Joshi <girish.joshi@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
  24 #include <dbus/dbus-glib.h>
  25 #include <glib.h>
  26 #include <dlog.h>
  27 #include <string.h>
  28
  29 #include "bluetooth-api.h"
  30 #include "bluetooth-hid-api.h"
  31 #include "bluetooth-audio-api.h"
  32 #include "bt-internal-types.h"
  33
  34 #include "bt-common.h"
  35 #include "bt-request-sender.h"
  36 #include "bt-event-handler.h"
  37 #include "bluetooth-media-control.h"
  38
  39 /* auto generated header by bt-request-service.xml*/
  40 #include "bt-request-service.h"
  41
  42 static GSList *sending_requests;
  43
  44 DBusGConnection *service_conn;
  45 DBusGConnection *system_conn;
  46 DBusGProxy *service_proxy;
  47
  48 static GDBusConnection *service_gconn;
  49 static GDBusProxy *service_gproxy;
  50
  51 static GDBusProxy *__bt_gdbus_init_service_proxy(void)
  52 {
  53         GDBusProxy *proxy;
  54         GError *err = NULL;
  55
  56         g_type_init();
  57
  58         if (service_gconn == NULL)
  59                 service_gconn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
  60
  61         if (!service_gconn) {
  62                 if (err) {
  63                         BT_ERR("Unable to connect to dbus: %s", err->message);
  64                         g_clear_error(&err);
  65                 }
  66                 return NULL;
  67         }
  68
  69         proxy =  g_dbus_proxy_new_sync(service_gconn,
  70                         G_DBUS_PROXY_FLAGS_NONE, NULL,
  71                         BT_DBUS_NAME,
  72                         BT_SERVICE_PATH,
  73                         BT_DBUS_NAME,
  74                         NULL, &err);
  75         if (!proxy) {
  76                 if (err) {
  77                          BT_ERR("Unable to create proxy: %s", err->message);
  78                          g_clear_error(&err);
  79                 }
  80
  81                 g_object_unref(service_gconn);
  82                 service_gconn = NULL;
  83                 return NULL;
  84         }
  85
  86         service_gproxy = proxy;
  87
  88         return proxy;
  89 }
  90
  91 static GDBusProxy *__bt_gdbus_get_service_proxy(void)
  92 {
  93         return (service_gproxy) ? service_gproxy : __bt_gdbus_init_service_proxy();
  94 }
  95
  96 void _bt_gdbus_deinit_proxys(void)
  97 {
  98         if (service_gproxy) {
  99                 g_object_unref(service_proxy);
 100                 service_proxy = NULL;
 101         }
 102
 103         if (service_gconn) {
 104                 g_object_unref(service_gconn);
 105                 service_gconn = NULL;
 106         }
 107 }
 108
 109 static void __bt_get_event_info(int service_function, GArray *output,
 110                         int *event, int *event_type, void **param_data)
 111 {
 112         ret_if(event == NULL);
 113
 114         BT_DBG("service_function : %x", service_function);
 115         switch (service_function) {
 116         case BT_BOND_DEVICE:
 117         case BT_BOND_DEVICE_BY_TYPE:
 118                 *event_type = BT_ADAPTER_EVENT;
 119                 *event = BLUETOOTH_EVENT_BONDING_FINISHED;
 120                 ret_if(output == NULL);
 121                 *param_data = &g_array_index(output,
 122                                 bluetooth_device_info_t, 0);
 123                 break;
 124         case BT_UNBOND_DEVICE:
 125                 *event_type = BT_ADAPTER_EVENT;
 126                 *event = BLUETOOTH_EVENT_BONDED_DEVICE_REMOVED;
 127                 ret_if(output == NULL);
 128                 *param_data = &g_array_index(output,
 129                                 bluetooth_device_info_t, 0);
 130                 break;
 131         case BT_SEARCH_SERVICE:
 132                 *event_type = BT_ADAPTER_EVENT;
 133                 *event = BLUETOOTH_EVENT_SERVICE_SEARCHED;
 134                 ret_if(output == NULL);
 135                 *param_data = &g_array_index(output,
 136                                 bluetooth_device_info_t, 0);
 137                 break;
 138         case BT_HID_CONNECT:
 139                 *event_type = BT_HID_EVENT;
 140                 *event = BLUETOOTH_HID_CONNECTED;
 141                 ret_if(output == NULL);
 142                 *param_data = &g_array_index(output,
 143                                 bluetooth_device_address_t, 0);
 144                 break;
 145         case BT_HID_DISCONNECT:
 146                 *event_type = BT_HID_EVENT;
 147                 *event = BLUETOOTH_HID_DISCONNECTED;
 148                 ret_if(output == NULL);
 149                 *param_data = &g_array_index(output,
 150                                 bluetooth_device_address_t, 0);
 151                 break;
 152         case BT_AUDIO_CONNECT:
 153         case BT_AG_CONNECT:
 154                 *event_type = BT_HEADSET_EVENT;
 155                 *event = BLUETOOTH_EVENT_AG_CONNECTED;
 156                 ret_if(output == NULL);
 157                 *param_data = &g_array_index(output, char, 0);
 158                 break;
 159         case BT_AUDIO_DISCONNECT:
 160         case BT_AG_DISCONNECT:
 161                 *event_type = BT_HEADSET_EVENT;
 162                 *event = BLUETOOTH_EVENT_AG_DISCONNECTED;
 163                 ret_if(output == NULL);
 164                 *param_data = &g_array_index(output, char, 0);
 165                 break;
 166         case BT_AV_CONNECT:
 167                 *event_type = BT_HEADSET_EVENT;
 168                 *event = BLUETOOTH_EVENT_AV_CONNECTED;
 169                 ret_if(output == NULL);
 170                 *param_data = &g_array_index(output, char, 0);
 171                 break;
 172         case BT_AV_DISCONNECT:
 173                 *event_type = BT_HEADSET_EVENT;
 174                 *event = BLUETOOTH_EVENT_AV_DISCONNECTED;
 175                 ret_if(output == NULL);
 176                 *param_data = &g_array_index(output, char, 0);
 177                 break;
 178         case BT_HF_CONNECT:
 179                 *event_type = BT_HF_AGENT_EVENT;
 180                 *event = BLUETOOTH_EVENT_HF_CONNECTED;
 181                 ret_if(output == NULL);
 182                 *param_data = &g_array_index(output, char, 0);
 183                 break;
 184         case BT_HF_DISCONNECT:
 185                 *event_type = BT_HF_AGENT_EVENT;
 186                 *event = BLUETOOTH_EVENT_HF_DISCONNECTED;
 187                 ret_if(output == NULL);
 188                 *param_data = &g_array_index(output, char, 0);
 189                 break;
 190         case BT_NETWORK_CONNECT:
 191                 *event_type = BT_ADAPTER_EVENT;
 192                 *event = BLUETOOTH_EVENT_NETWORK_CONNECTED;
 193                 ret_if(output == NULL);
 194                 *param_data = &g_array_index(output,
 195                                 bluetooth_device_address_t, 0);
 196                 break;
 197         case BT_NETWORK_DISCONNECT:
 198                 *event_type = BT_ADAPTER_EVENT;
 199                 *event = BLUETOOTH_EVENT_NETWORK_DISCONNECTED;
 200                 ret_if(output == NULL);
 201                 *param_data = &g_array_index(output,
 202                                 bluetooth_device_address_t, 0);
 203                 break;
 204         case BT_RFCOMM_CLIENT_CONNECT:
 205                 *event_type = BT_RFCOMM_CLIENT_EVENT;
 206                 *event = BLUETOOTH_EVENT_RFCOMM_CONNECTED;
 207                 ret_if(output == NULL);
 208                 *param_data = &g_array_index(output,
 209                                 bluetooth_rfcomm_connection_t, 0);
 210                 break;
 211         case BT_AVRCP_CONTROL_CONNECT:
 212                 *event_type = BT_AVRCP_CONTROL_EVENT;
 213                 *event = BLUETOOTH_EVENT_AVRCP_CONTROL_CONNECTED;
 214                 ret_if(output == NULL);
 215                 *param_data = &g_array_index(output, char, 0);
 216                 break;
 217         case BT_AVRCP_CONTROL_DISCONNECT:
 218                 *event_type = BT_AVRCP_CONTROL_EVENT;
 219                 *event = BLUETOOTH_EVENT_AVRCP_CONTROL_DISCONNECTED;
 220                 ret_if(output == NULL);
 221                 *param_data = &g_array_index(output, char, 0);
 222                 break;
 223         default:
 224                 BT_ERR("Unknown function");
 225                 return;
 226         }
 227 }
 228
 229 /*
 230 out param1: API result
 231 out param2: return paramter
 232 out param3:
 233 */
 234 static void __bt_fill_garray_from_variant(GVariant *var, GArray *param)
 235 {
 236         char *data;
 237         int size;
 238
 239         size = g_variant_get_size(var);
 240         if (size > 0) {
 241                 data = (char *)g_variant_get_data(var);
 242                 if (data)
 243                         param = g_array_append_vals(param, data, size);
 244
 245         }
 246 }
 247
 248 static void __send_request_cb(GDBusProxy *proxy,
 249                      GAsyncResult *res,
 250                      gpointer      user_data)
 251 {
 252         bluetooth_event_param_t bt_event;
 253         bt_req_info_t *cb_data = user_data;
 254         int result = BLUETOOTH_ERROR_NONE;
 255         int event_type = BT_ADAPTER_EVENT;
 256         int request_id;
 257         GError *error = NULL;
 258         GVariant *value;
 259         GVariant *param1;
 260         GVariant *param2;
 261         GArray *out_param1 = NULL;
 262         GArray *out_param2 = NULL;
 263
 264         BT_DBG("+");
 265         memset(&bt_event, 0x00, sizeof(bluetooth_event_param_t));
 266
 267         value = g_dbus_proxy_call_finish(proxy, res, &error);
 268         if (value == NULL) {
 269                 if (error) {
 270                         /* dBUS gives error cause */
 271                         BT_ERR("D-Bus API failure: message[%s]",
 272                                                         error->message);
 273                         g_clear_error(&error);
 274                 }
 275                 result = BLUETOOTH_ERROR_TIMEOUT;
 276
 277                 ret_if(cb_data == NULL);
 278
 279                 __bt_get_event_info(cb_data->service_function, NULL,
 280                                 &bt_event.event, &event_type,
 281                                 &bt_event.param_data);
 282         } else {
 283                 g_variant_get(value, "(@ay@ay)", &param1, &param2);
 284                 g_variant_unref(value);
 285
 286                 if (param1) {
 287                         out_param1 = g_array_new(TRUE, TRUE, sizeof(gchar));
 288                         __bt_fill_garray_from_variant(param1, out_param1);
 289                         g_variant_unref(param1);
 290                 }
 291
 292                 if (param2) {
 293                         out_param2 = g_array_new(TRUE, TRUE, sizeof(gchar));
 294                         __bt_fill_garray_from_variant(param2, out_param2);
 295                         result = g_array_index(out_param2, int, 0);
 296                         g_variant_unref(param2);
 297                         g_array_free(out_param2, TRUE);
 298                 } else {
 299                         result = BLUETOOTH_ERROR_INTERNAL;
 300                 }
 301
 302                 ret_if(cb_data == NULL);
 303
 304                 __bt_get_event_info(cb_data->service_function, out_param1,
 305                                 &bt_event.event, &event_type,
 306                                 &bt_event.param_data);
 307
 308                 if (result == BLUETOOTH_ERROR_NONE && out_param1) {
 309                         if (cb_data->service_function == BT_OPP_PUSH_FILES) {
 310                                 request_id = g_array_index(out_param1, int, 0);
 311                                 BT_DBG("request_id : %d", request_id);
 312                                 _bt_add_push_request_id(request_id);
 313                         }
 314
 315                         goto done;
 316                 }
 317
 318         }
 319
 320         if (cb_data->cb == NULL)
 321                 goto done;
 322
 323         /* Only if fail case, call the callback function*/
 324         bt_event.result = result;
 325         BT_INFO("event_type[%d], result=[%d]", event_type, result);
 326
 327         if (event_type == BT_ADAPTER_EVENT || event_type == BT_RFCOMM_CLIENT_EVENT) {
 328                 ((bluetooth_cb_func_ptr)cb_data->cb)(bt_event.event,
 329                                 &bt_event,
 330                                 cb_data->user_data);
 331         } else if (event_type == BT_HID_EVENT) {
 332                 ((hid_cb_func_ptr)cb_data->cb)(bt_event.event,
 333                                 (hid_event_param_t *)&bt_event,
 334                                 cb_data->user_data);
 335         } else if (event_type == BT_HEADSET_EVENT) {
 336                 ((bt_audio_func_ptr)cb_data->cb)(bt_event.event,
 337                                 (bt_audio_event_param_t *)&bt_event,
 338                                 cb_data->user_data);
 339         } else if (event_type == BT_HF_AGENT_EVENT) {
 340                 ((bt_audio_func_ptr)cb_data->cb)(bt_event.event,
 341                                 (bt_audio_event_param_t *)&bt_event,
 342                                 cb_data->user_data);
 343         } else if (event_type == BT_AVRCP_CONTROL_EVENT) {
 344                 ((media_cb_func_ptr)cb_data->cb)(bt_event.event,
 345                                 (media_event_param_t *)&bt_event,
 346                                 cb_data->user_data);
 347         } else {
 348                 BT_INFO("Not handled event type : %d", event_type);
 349         }
 350 done:
 351         if (out_param1)
 352                 g_array_free(out_param1, TRUE);
 353
 354         sending_requests = g_slist_remove(sending_requests, (void *)cb_data);
 355
 356         g_free(cb_data);
 357         BT_DBG("-");
 358 }
 359
 360 int _bt_sync_send_request(int service_type, int service_function,
 361                         GArray *in_param1, GArray *in_param2,
 362                         GArray *in_param3, GArray *in_param4,
 363                         GArray **out_param1)
 364 {
 365         int result = BLUETOOTH_ERROR_NONE;
 366         char *cookie;
 367         GError *error = NULL;
 368         GArray *in_param5 = NULL;
 369         GArray *out_param2 = NULL;
 370
 371         GDBusProxy  *proxy;
 372         GVariant *ret;
 373         GVariant *param1;
 374         GVariant *param2;
 375         GVariant *param3;
 376         GVariant *param4;
 377         GVariant *param5;
 378
 379         switch (service_type) {
 380         case BT_BLUEZ_SERVICE:
 381         case BT_OBEX_SERVICE:
 382         case BT_AGENT_SERVICE:
 383         case BT_CHECK_PRIVILEGE:
 384                 proxy = __bt_gdbus_get_service_proxy();
 385                 if (!proxy)
 386                         return BLUETOOTH_ERROR_INTERNAL;
 387
 388                 in_param5 = g_array_new(TRUE, TRUE, sizeof(gchar));
 389
 390                 cookie = _bt_get_cookie();
 391
 392                 if (cookie) {
 393                         g_array_append_vals(in_param5, cookie,
 394                                         _bt_get_cookie_size());
 395                 }
 396
 397                 param1 = g_variant_new_from_data((const GVariantType *)"ay",
 398                                         in_param1->data, in_param1->len,
 399                                         TRUE, NULL, NULL);
 400                 param2 = g_variant_new_from_data((const GVariantType *)"ay",
 401                                         in_param2->data, in_param2->len,
 402                                         TRUE, NULL, NULL);
 403                 param3 = g_variant_new_from_data((const GVariantType *)"ay",
 404                                         in_param3->data, in_param3->len,
 405                                         TRUE, NULL, NULL);
 406                 param4 = g_variant_new_from_data((const GVariantType *)"ay",
 407                                         in_param4->data, in_param4->len,
 408                                         TRUE, NULL, NULL);
 409                 param5 = g_variant_new_from_data((const GVariantType *)"ay",
 410                                         in_param5->data,        in_param5->len,
 411                                         TRUE, NULL, NULL);
 412
 413                 ret = g_dbus_proxy_call_sync(proxy, "service_request",
 414                                         g_variant_new("(iii@ay@ay@ay@ay@ay)",
 415                                                 service_type, service_function,
 416                                                 BT_SYNC_REQ, param1,
 417                                                 param2, param3,
 418                                                 param4, param5),
 419                                         G_DBUS_CALL_FLAGS_NONE, -1,
 420                                         NULL, &error);
 421
 422                 g_array_free(in_param5, TRUE);
 423
 424                 if (ret == NULL) {
 425                         /* dBUS-RPC is failed */
 426                         BT_ERR("dBUS-RPC is failed");
 427
 428                         if (error != NULL) {
 429                                 /* dBUS gives error cause */
 430                                 BT_ERR("D-Bus API failure: errCode[%x], message[%s]",
 431                                        error->code, error->message);
 432
 433                                 g_clear_error(&error);
 434                         } else {
 435                                 /* dBUS does not give error cause dBUS-RPC is failed */
 436                                 BT_ERR("error returned was NULL");
 437                         }
 438
 439                         return BLUETOOTH_ERROR_INTERNAL;
 440                 }
 441
 442                 param1 = NULL;
 443                 param2 = NULL;
 444
 445                 g_variant_get(ret, "(@ay@ay)", &param1, &param2);
 446
 447                 if (param1) {
 448                         *out_param1 = g_array_new(TRUE, TRUE, sizeof(gchar));
 449                         __bt_fill_garray_from_variant(param1, *out_param1);
 450                         g_variant_unref(param1);
 451                 }
 452
 453                 if (param2) {
 454                         out_param2 = g_array_new(TRUE, TRUE, sizeof(gchar));
 455                         __bt_fill_garray_from_variant(param2, out_param2);
 456                         result = g_array_index(out_param2, int, 0);
 457                         g_variant_unref(param2);
 458                         g_array_free(out_param2, TRUE);
 459                 } else {
 460                         result = BLUETOOTH_ERROR_INTERNAL;
 461                 }
 462
 463                 g_variant_unref(ret);
 464                 break;
 465         default:
 466                 BT_ERR("Unknown service type");
 467                 return BLUETOOTH_ERROR_INTERNAL;
 468         }
 469
 470         return result;
 471 }
 472
 473 int _bt_async_send_request(int service_type, int service_function,
 474                         GArray *in_param1, GArray *in_param2,
 475                         GArray *in_param3, GArray *in_param4,
 476                         void *callback, void *user_data)
 477 {
 478         GArray* in_param5 = NULL;
 479         bt_req_info_t *cb_data;
 480         char *cookie;
 481
 482         GDBusProxy *proxy;
 483         int timeout;
 484         GVariant *param1;
 485         GVariant *param2;
 486         GVariant *param3;
 487         GVariant *param4;
 488         GVariant *param5;
 489
 490         BT_DBG("service_function : %x", service_function);
 491
 492         cb_data = g_new0(bt_req_info_t, 1);
 493
 494         cb_data->service_function = service_function;
 495         cb_data->cb = callback;
 496         cb_data->user_data = user_data;
 497
 498         switch (service_type) {
 499         case BT_BLUEZ_SERVICE:
 500         case BT_OBEX_SERVICE:
 501                 proxy =  __bt_gdbus_get_service_proxy();
 502                 if (!proxy) {
 503                         g_free(cb_data);
 504                         return BLUETOOTH_ERROR_INTERNAL;
 505                 }
 506
 507                 /* Do not timeout the request in certain cases. Sometime the
 508                  * request may take undeterministic time to reponse.
 509                  * (for ex: pairing retry) */
 510                 if (service_function == BT_BOND_DEVICE ||
 511                         service_function == BT_BOND_DEVICE_BY_TYPE)
 512                         timeout = INT_MAX;
 513                 else
 514                         timeout = BT_DBUS_TIMEOUT_MAX;
 515
 516                 in_param5 = g_array_new(TRUE, TRUE, sizeof(gchar));
 517
 518                 cookie = _bt_get_cookie();
 519
 520                 if (cookie) {
 521                         g_array_append_vals(in_param5, cookie,
 522                                         _bt_get_cookie_size());
 523                 }
 524                 param1 = g_variant_new_from_data((const GVariantType *)"ay",
 525                                         in_param1->data, in_param1->len,
 526                                         TRUE, NULL, NULL);
 527                 param2 = g_variant_new_from_data((const GVariantType *)"ay",
 528                                         in_param2->data, in_param2->len,
 529                                         TRUE, NULL, NULL);
 530                 param3 = g_variant_new_from_data((const GVariantType *)"ay",
 531                                         in_param3->data, in_param3->len,
 532                                         TRUE, NULL, NULL);
 533                 param4 = g_variant_new_from_data((const GVariantType *)"ay",
 534                                         in_param4->data, in_param4->len,
 535                                         TRUE, NULL, NULL);
 536                 param5 = g_variant_new_from_data((const GVariantType *)"ay",
 537                                         in_param5->data, in_param5->len,
 538                                         TRUE, NULL, NULL);
 539
 540                 g_dbus_proxy_call(proxy, "service_request",
 541                                         g_variant_new("(iii@ay@ay@ay@ay@ay)",
 542                                                 service_type, service_function,
 543                                                 BT_ASYNC_REQ, param1, param2,
 544                                                 param3, param4, param5),
 545                                         G_DBUS_CALL_FLAGS_NONE,
 546                                         timeout, NULL,
 547                                         (GAsyncReadyCallback)__send_request_cb,
 548                                         (gpointer)cb_data);
 549                 sending_requests = g_slist_append(sending_requests, cb_data);
 550
 551                 g_array_free(in_param5, TRUE);
 552                 break;
 553         }
 554
 555         return BLUETOOTH_ERROR_NONE;
 556 }
 557