bt-core/bt-core-dbus-handler.c

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *              http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 #include <gio/gio.h>
  19 #include <vconf.h>
  20 #include <vconf-keys.h>
  21
  22 #include "bt-core-adapter.h"
  23 #include "bt-core-common.h"
  24 #include "bt-core-dbus-handler.h"
  25 #include "bt-internal-types.h"
  26 #include "bt-core-noti-handler.h"
  27 #include "bt-core-main.h"
  28
  29 #define BT_SERVICE_NAME         "org.projectx.bt"
  30 #define BT_SERVICE_PATH         "/org/projectx/bt_service"
  31
  32 #ifdef HPS_FEATURE
  33 #define BT_HPS_SERVICE_NAME "org.projectx.httpproxy"
  34 #define BT_HPS_OBJECT_PATH "/org/projectx/httpproxy"
  35 #define BT_HPS_INTERFACE_NAME "org.projectx.httpproxy_service"
  36 #endif
  37
  38 static GDBusConnection *service_gconn;
  39 static GDBusProxy *service_gproxy;
  40 #ifdef HPS_FEATURE
  41 static GDBusProxy *hps_gproxy;
  42 #endif
  43
  44 void _bt_core_fill_garray_from_variant(GVariant *var, GArray *param)
  45 {
  46         char *data;
  47         int size;
  48
  49         size = g_variant_get_size(var);
  50         if (size > 0) {
  51                 data = (char *)g_variant_get_data(var);
  52                 if (data)
  53                         param = g_array_append_vals(param, data, size);
  54
  55         }
  56 }
  57
  58 GDBusConnection * _bt_core_get_gdbus_connection(void)
  59 {
  60         GError *err = NULL;
  61
  62         if (service_gconn == NULL)
  63                 service_gconn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
  64
  65         if (!service_gconn) {
  66                 if (err) {
  67                         BT_ERR("Unable to connect to dbus: %s", err->message);
  68                         g_clear_error(&err);
  69                 }
  70                 return NULL;
  71         }
  72
  73         return service_gconn;
  74 }
  75
  76 static GDBusProxy *__bt_core_gdbus_init_service_proxy(void)
  77 {
  78         GDBusProxy *proxy;
  79         GError *err = NULL;
  80         GDBusConnection *conn;
  81
  82         conn = _bt_core_get_gdbus_connection();
  83         if (!conn)
  84                 return NULL;
  85
  86         proxy =  g_dbus_proxy_new_sync(conn,
  87                         G_DBUS_PROXY_FLAGS_NONE, NULL,
  88                         BT_SERVICE_NAME,
  89                         BT_SERVICE_PATH,
  90                         BT_SERVICE_NAME,
  91                         NULL, &err);
  92         if (!proxy) {
  93                 if (err) {
  94                          BT_ERR("Unable to create proxy: %s", err->message);
  95                          g_clear_error(&err);
  96                 }
  97
  98                 return NULL;
  99         }
 100
 101         service_gproxy = proxy;
 102
 103         return proxy;
 104 }
 105
 106 GDBusProxy *_bt_core_gdbus_get_service_proxy(void)
 107 {
 108         return (service_gproxy) ? service_gproxy : __bt_core_gdbus_init_service_proxy();
 109 }
 110
 111 #ifdef HPS_FEATURE
 112 int _bt_core_start_httpproxy(void)
 113 {
 114         GVariant *variant = NULL;
 115         unsigned char enabled;
 116
 117         BT_DBG(" ");
 118
 119         hps_gproxy = _bt_core_gdbus_get_hps_proxy();
 120         if (!hps_gproxy) {
 121                 BT_DBG("Couldn't get service proxy");
 122                 return -1;
 123         }
 124
 125         variant = g_dbus_proxy_call_sync(hps_gproxy, "enable",
 126                                 NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL);
 127         if (variant) {
 128                 g_variant_get(variant, "(y)", &enabled);
 129                 BT_ERR("HPS enabled status 0x%x", enabled);
 130         }
 131         return 0;
 132 }
 133
 134 int _bt_core_stop_httpproxy(void)
 135 {
 136         GVariant *variant = NULL;
 137         unsigned char enabled;
 138
 139         BT_DBG(" ");
 140
 141         hps_gproxy = _bt_core_gdbus_get_hps_proxy();
 142         if (!hps_gproxy) {
 143                 BT_DBG("Couldn't get service proxy");
 144                 return -1;
 145         }
 146
 147         variant = g_dbus_proxy_call_sync(hps_gproxy, "disable",
 148                                 NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL);
 149         if (variant) {
 150                 g_variant_get(variant, "(y)", &enabled);
 151                 BT_ERR("HPS disabled status 0x%x", enabled);
 152         }
 153         return 0;
 154 }
 155
 156 static GDBusProxy *_bt_core_gdbus_init_hps_proxy(void)
 157 {
 158         GDBusProxy *proxy;
 159         GError *err = NULL;
 160         GDBusConnection *conn;
 161
 162         BT_DBG(" ");
 163
 164         conn = _bt_core_get_gdbus_connection();
 165         if (!conn)
 166                 return NULL;
 167
 168         proxy =  g_dbus_proxy_new_sync(conn,
 169                         G_DBUS_PROXY_FLAGS_NONE, NULL,
 170                         BT_HPS_SERVICE_NAME,
 171                         BT_HPS_OBJECT_PATH,
 172                         BT_HPS_INTERFACE_NAME,
 173                         NULL, &err);
 174         if (proxy == NULL) {
 175                 if (err) {
 176                          BT_ERR("Unable to create proxy: %s", err->message);
 177                          g_clear_error(&err);
 178                 }
 179                 return NULL;
 180         }
 181
 182         hps_gproxy = proxy;
 183
 184         return proxy;
 185 }
 186
 187 GDBusProxy *_bt_core_gdbus_get_hps_proxy(void)
 188 {
 189         return (hps_gproxy) ? hps_gproxy : _bt_core_gdbus_init_hps_proxy();
 190 }
 191 #endif
 192
 193 void _bt_core_gdbus_deinit_proxys(void)
 194 {
 195         BT_DBG("");
 196
 197         if (service_gproxy) {
 198                 g_object_unref(service_gproxy);
 199                 service_gproxy = NULL;
 200         }
 201
 202 #ifdef HPS_FEATURE
 203         if (hps_gproxy) {
 204                 g_object_unref(hps_gproxy);
 205                 hps_gproxy = NULL;
 206         }
 207 #endif
 208
 209         if (service_gconn) {
 210                 g_object_unref(service_gconn);
 211                 service_gconn = NULL;
 212         }
 213 }
 214
 215 int _bt_core_service_request(int service_type, int service_function,
 216                         GArray *in_param1, GArray *in_param2,
 217                         GArray *in_param3, GArray *in_param4,
 218                         GArray **out_param1)
 219 {
 220         GDBusProxy  *proxy;
 221         GVariant *ret;
 222         GVariant *param1;
 223         GVariant *param2;
 224         GVariant *param3;
 225         GVariant *param4;
 226         GVariant *param5;
 227
 228         int result = BLUETOOTH_ERROR_NONE;
 229         GError *error = NULL;
 230         GArray *in_param5 = NULL;
 231
 232         int retry = 5;
 233
 234         proxy = _bt_core_gdbus_get_service_proxy();
 235         if (!proxy)
 236                 return BLUETOOTH_ERROR_INTERNAL;
 237         in_param5 = g_array_new(TRUE, TRUE, sizeof(gchar));
 238
 239         while (--retry >= 0) {
 240                 param1 = g_variant_new_from_data((const GVariantType *)"ay",
 241                                         in_param1->data, in_param1->len,
 242                                         TRUE, NULL, NULL);
 243                 param2 = g_variant_new_from_data((const GVariantType *)"ay",
 244                                         in_param2->data, in_param2->len,
 245                                         TRUE, NULL, NULL);
 246                 param3 = g_variant_new_from_data((const GVariantType *)"ay",
 247                                         in_param3->data, in_param3->len,
 248                                         TRUE, NULL, NULL);
 249                 param4 = g_variant_new_from_data((const GVariantType *)"ay",
 250                                         in_param4->data, in_param4->len,
 251                                         TRUE, NULL, NULL);
 252                 param5 = g_variant_new_from_data((const GVariantType *)"ay",
 253                                         in_param5->data, in_param5->len,
 254                                         TRUE, NULL, NULL);
 255
 256                 ret = g_dbus_proxy_call_sync(proxy, "service_request",
 257                                         g_variant_new("(iii@ay@ay@ay@ay@ay)",
 258                                                 service_type, service_function,
 259                                                 BT_SYNC_REQ, param1,
 260                                                 param2, param3,
 261                                                 param4, param5),
 262                                         G_DBUS_CALL_FLAGS_NONE, 2000,
 263                                         NULL, &error);
 264                 if (ret == NULL && error != NULL) {
 265                         if (error->code == G_IO_ERROR_TIMED_OUT) {
 266                                 BT_ERR("D-Bus Timed out.");
 267                                 g_clear_error(&error);
 268                                 continue;
 269                         }
 270                 }
 271
 272                 break;
 273         }
 274
 275         g_array_free(in_param5, TRUE);
 276
 277         if (ret == NULL) {
 278                 /* dBUS-RPC is failed */
 279                 BT_ERR("dBUS-RPC is failed");
 280
 281                 if (error != NULL) {
 282                         /* dBUS gives error cause */
 283                         BT_ERR("D-Bus API failure: errCode[%x], message[%s]",
 284                                error->code, error->message);
 285
 286                         g_clear_error(&error);
 287                 } else {
 288                         /* dBUS does not give error cause dBUS-RPC is failed */
 289                         BT_ERR("error returned was NULL");
 290                 }
 291
 292                 return BLUETOOTH_ERROR_INTERNAL;
 293         }
 294
 295         param1 = NULL;
 296
 297         g_variant_get(ret, "(iv)", &result, &param1);
 298
 299         if (param1) {
 300                 *out_param1 = g_array_new(TRUE, TRUE, sizeof(gchar));
 301                 _bt_core_fill_garray_from_variant(param1, *out_param1);
 302                 g_variant_unref(param1);
 303         }
 304
 305         g_variant_unref(ret);
 306
 307         return result;
 308 }
 309
 310 static const gchar bt_core_introspection_xml[] =
 311 "<node name='/'>"
 312 "  <interface name='org.projectx.btcore'>"
 313 "     <method name='EnableAdapter'>"
 314 "     </method>"
 315 "     <method name='DisableAdapter'>"
 316 "     </method>"
 317 "     <method name='RecoverAdapter'>"
 318 "     </method>"
 319 "     <method name='ResetAdapter'>"
 320 "     </method>"
 321 "     <method name='EnableAdapterLe'>"
 322 "     </method>"
 323 "     <method name='DisableAdapterLe'>"
 324 "     </method>"
 325 "     <method name='EnableCore'>"
 326 "     </method>"
 327 "     <method name='FactoryTestMode'>"
 328 "          <arg type='s' name='type' direction='in'/>"
 329 "          <arg type='s' name='arg' direction='in'/>"
 330 "          <arg type='i' name='ret' direction='out'/>"
 331 "     </method>"
 332 " </interface>"
 333 "</node>";
 334
 335 static guint obj_id, sig_id1, sig_id2, sig_id3;
 336
 337 static void __bt_core_dbus_method(GDBusConnection *connection,
 338                         const gchar *sender,
 339                         const gchar *object_path,
 340                         const gchar *interface_name,
 341                         const gchar *method_name,
 342                         GVariant *parameters,
 343                         GDBusMethodInvocation *invocation,
 344                         gpointer user_data)
 345 {
 346         gboolean ret;
 347
 348         BT_DBG("method %s", method_name);
 349
 350         if (g_strcmp0(method_name, "EnableAdapter") == 0) {
 351                 ret = _bt_core_enable_adapter();
 352         } else if (g_strcmp0(method_name, "DisableAdapter") == 0) {
 353                 ret = _bt_core_disable_adapter();
 354         } else if (g_strcmp0(method_name, "RecoverAdapter") == 0) {
 355                 ret = _bt_core_recover_adapter();
 356         } else if (g_strcmp0(method_name, "ResetAdapter") == 0) {
 357                 ret = __bt_core_reset_adapter();
 358         } else if (g_strcmp0(method_name, "EnableAdapterLe") == 0) {
 359                 ret = _bt_core_enable_adapter_le();
 360         } else if (g_strcmp0(method_name, "DisableAdapterLe") == 0) {
 361                 ret = _bt_core_disable_adapter_le();
 362         } else if (g_strcmp0(method_name, "EnableCore") == 0) {
 363                 ret = _bt_core_enable_core();
 364         } else if (g_strcmp0(method_name, "FactoryTestMode") == 0) {
 365                 const char *type = NULL;
 366                 const char *arg = NULL;
 367
 368                 g_variant_get(parameters, "(&s&s)", &type, &arg);
 369                 ret = _bt_core_factory_test_mode(type, arg);
 370                 g_dbus_method_invocation_return_value(invocation,
 371                                 g_variant_new("(i)", ret));
 372                  return;
 373         } else {
 374                 ret = FALSE;
 375         }
 376
 377         if (!ret) {
 378                 GQuark quark = g_quark_from_string("bt-core");
 379                 GError *err = g_error_new(quark, 0, "Failed");
 380                 g_dbus_method_invocation_return_gerror(invocation, err);
 381                 g_error_free(err);
 382         } else {
 383                 g_dbus_method_invocation_return_value(invocation, NULL);
 384         }
 385
 386         BT_DBG("-");
 387 }
 388
 389 static const GDBusInterfaceVTable method_table = {
 390         __bt_core_dbus_method,
 391         NULL,
 392         NULL,
 393 };
 394
 395 static GDBusNodeInfo *__bt_core_create_node_info(
 396                                         const gchar *introspection_data)
 397 {
 398         GError *err = NULL;
 399         GDBusNodeInfo *node_info = NULL;
 400
 401         if (introspection_data == NULL)
 402                 return NULL;
 403
 404         node_info = g_dbus_node_info_new_for_xml(introspection_data, &err);
 405
 406         if (err) {
 407                 BT_ERR("Unable to create node: %s", err->message);
 408                 g_clear_error(&err);
 409         }
 410         return node_info;
 411 }
 412
 413 gboolean __is_interface_and_signal_valid(const gchar *interface_name,
 414                                                 const gchar *signal_name)
 415 {
 416         if (g_strcmp0(interface_name, "org.freedesktop.DBus") &&
 417                 g_strcmp0(interface_name, "org.freedesktop.DBus.ObjectManager"))
 418                 return FALSE;
 419
 420         if (g_strcmp0(signal_name, "NameOwnerChanged") &&
 421                 g_strcmp0(signal_name, "InterfacesAdded") &&
 422                 g_strcmp0(signal_name, "InterfacesRemoved"))
 423                 return FALSE;
 424
 425         return TRUE;
 426 }
 427
 428 static void __handle_name_owner_changed(const char *name)
 429 {
 430         gboolean flight_mode_status;
 431
 432         BT_DBG("");
 433
 434         flight_mode_status = _bt_core_is_flight_mode_enabled();
 435
 436         if (flight_mode_status == FALSE && _bt_is_flightmode_request() == TRUE) {
 437                 BT_DBG("flightmode requested");
 438                 return;
 439         }
 440
 441         if ((g_strcmp0(name, "org.bluez") == 0) ||
 442                 (g_strcmp0(name, "org.projectx.bt") == 0)) {
 443                 BT_DBG("%s is terminated", name);
 444                 if (_bt_check_terminating_condition() == TRUE) {
 445                         _bt_disable_adapter();
 446                         _bt_disable_adapter_le();
 447                         _bt_core_terminate();
 448                 }
 449         }
 450 }
 451
 452 static void __bt_core_event_filter(GDBusConnection *connection,
 453                                                  const gchar *sender_name,
 454                                                  const gchar *object_path,
 455                                                  const gchar *interface_name,
 456                                                  const gchar *signal_name,
 457                                                  GVariant *parameters,
 458                                                  gpointer user_data)
 459 {
 460         if (!__is_interface_and_signal_valid(interface_name, signal_name))
 461                 return;
 462
 463         if (!g_strcmp0(signal_name, "InterfacesAdded")) {
 464                 char *obj_path = NULL;
 465                 GVariant *optional_param;
 466
 467                 g_variant_get(parameters, "(&o@a{sa{sv}})",
 468                                                 &obj_path, &optional_param);
 469
 470                 if (g_strcmp0(obj_path, "/org/bluez/hci0") == 0) {
 471                         _bt_core_adapter_added_cb();
 472                 }
 473         } else if (!g_strcmp0(signal_name, "InterfacesRemoved")) {
 474                 char *obj_path = NULL;
 475                 GVariant *optional_param;
 476
 477                 g_variant_get(parameters, "(&o@as)", &obj_path,
 478                                                         &optional_param);
 479
 480                 if (g_strcmp0(obj_path, "/org/bluez/hci0") == 0) {
 481                         _bt_core_adapter_removed_cb();
 482                 }
 483         } else { /* NameOwnerChanged */
 484                 const char *name = NULL;
 485                 const char *old_owner = NULL;
 486                 const char *new_owner = NULL;
 487
 488                 g_variant_get(parameters, "(&s&s&s)", &name, &old_owner,
 489                                                                 &new_owner);
 490
 491                 if (new_owner != NULL && *new_owner == '\0')
 492                         __handle_name_owner_changed(name);
 493         }
 494 }
 495
 496 gboolean _bt_core_register_dbus(void)
 497 {
 498         GError *error = NULL;
 499         guint owner_id;
 500         GDBusNodeInfo *node_info;
 501         gchar *path;
 502         GDBusConnection *conn;
 503
 504         conn = _bt_core_get_gdbus_connection();
 505         if (!conn)
 506                 return FALSE;
 507
 508         owner_id = g_bus_own_name(G_BUS_TYPE_SYSTEM,
 509                                 BT_CORE_NAME,
 510                                 G_BUS_NAME_OWNER_FLAGS_NONE,
 511                                 NULL, NULL, NULL,
 512                                 NULL, NULL);
 513
 514         BT_DBG("owner_id is [%d]", owner_id);
 515
 516         node_info = __bt_core_create_node_info(bt_core_introspection_xml);
 517         if (node_info == NULL)
 518                 return FALSE;
 519
 520         path = g_strdup(BT_CORE_PATH);
 521         BT_DBG("path is [%s]", path);
 522
 523         obj_id = g_dbus_connection_register_object(conn, path,
 524                                         node_info->interfaces[0],
 525                                         &method_table,
 526                                         NULL, NULL, &error);
 527         if (obj_id == 0) {
 528                 BT_ERR("Failed to register: %s", error->message);
 529                 g_error_free(error);
 530                 g_free(path);
 531                 return FALSE;
 532         }
 533
 534         g_free(path);
 535
 536         sig_id1 = g_dbus_connection_signal_subscribe(conn,
 537                                 NULL, "org.freedesktop.DBus",
 538                                 "NameOwnerChanged", NULL, NULL, 0,
 539                                 __bt_core_event_filter, NULL, NULL);
 540         sig_id2 = g_dbus_connection_signal_subscribe(conn,
 541                                 NULL, "org.freedesktop.DBus.ObjectManager",
 542                                 "InterfacesAdded", NULL, NULL,
 543                                 0, __bt_core_event_filter, NULL, NULL);
 544         sig_id2 = g_dbus_connection_signal_subscribe(conn,
 545                                 NULL, "org.freedesktop.DBus.ObjectManager",
 546                                 "InterfacesRemoved", NULL,
 547                                 NULL, 0, __bt_core_event_filter, NULL, NULL);
 548
 549         return TRUE;
 550 }
 551
 552 void  _bt_core_unregister_dbus(void)
 553 {
 554         GDBusConnection *conn;
 555
 556         BT_DBG("");
 557
 558         conn = _bt_core_get_gdbus_connection();
 559         if (!conn)
 560                 return;
 561
 562         if (obj_id > 0) {
 563                 g_dbus_connection_unregister_object(conn, obj_id);
 564                 obj_id = 0;
 565         }
 566
 567         if (sig_id1 > 0) {
 568                 g_dbus_connection_signal_unsubscribe(conn, sig_id1);
 569                 sig_id1 = 0;
 570         }
 571         if (sig_id2 > 0) {
 572                 g_dbus_connection_signal_unsubscribe(conn, sig_id2);
 573                 sig_id2 = 0;
 574         }
 575         if (sig_id3 > 0) {
 576                 g_dbus_connection_signal_unsubscribe(conn, sig_id3);
 577                 sig_id3 = 0;
 578         }
 579 }