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 TIZEN_FEATURE_BT_HPS
  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 TIZEN_FEATURE_BT_HPS
  41 static GDBusProxy *hps_gproxy;
  42 #endif
  43 static gboolean factory_test_mode;
  44
  45 void _bt_core_fill_garray_from_variant(GVariant *var, GArray *param)
  46 {
  47         char *data;
  48         int size;
  49
  50         size = g_variant_get_size(var);
  51         if (size > 0) {
  52                 data = (char *)g_variant_get_data(var);
  53                 if (data)
  54                         param = g_array_append_vals(param, data, size);
  55
  56         }
  57 }
  58
  59 GDBusConnection * _bt_core_get_gdbus_connection(void)
  60 {
  61         GError *err = NULL;
  62
  63         if (service_gconn == NULL)
  64                 service_gconn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
  65
  66         if (!service_gconn) {
  67                 if (err) {
  68                         BT_ERR("Unable to connect to dbus: %s", err->message);
  69                         g_clear_error(&err);
  70                 }
  71                 return NULL;
  72         }
  73
  74         return service_gconn;
  75 }
  76
  77 static GDBusProxy *__bt_core_gdbus_init_service_proxy(void)
  78 {
  79         GDBusProxy *proxy;
  80         GError *err = NULL;
  81         GDBusConnection *conn;
  82
  83         conn = _bt_core_get_gdbus_connection();
  84         if (!conn)
  85                 return NULL;
  86
  87         proxy =  g_dbus_proxy_new_sync(conn,
  88                         G_DBUS_PROXY_FLAGS_NONE, NULL,
  89                         BT_SERVICE_NAME,
  90                         BT_SERVICE_PATH,
  91                         BT_SERVICE_NAME,
  92                         NULL, &err);
  93         if (!proxy) {
  94                 if (err) {
  95                          BT_ERR("Unable to create proxy: %s", err->message);
  96                          g_clear_error(&err);
  97                 }
  98
  99                 return NULL;
 100         }
 101
 102         service_gproxy = proxy;
 103
 104         return proxy;
 105 }
 106
 107 GDBusProxy *_bt_core_gdbus_get_service_proxy(void)
 108 {
 109         return (service_gproxy) ? service_gproxy : __bt_core_gdbus_init_service_proxy();
 110 }
 111
 112 #ifdef TIZEN_FEATURE_BT_HPS
 113 int _bt_core_start_httpproxy(void)
 114 {
 115         GVariant *variant = NULL;
 116         unsigned char enabled;
 117         GError *err = NULL;
 118         BT_DBG(" ");
 119
 120         hps_gproxy = _bt_core_gdbus_get_hps_proxy();
 121         if (!hps_gproxy) {
 122                 BT_DBG("Couldn't get service proxy");
 123                 return -1;
 124         }
 125
 126         variant = g_dbus_proxy_call_sync(hps_gproxy, "enable",
 127                                 NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, &err);
 128         if (err) {
 129                 BT_ERR("Error : %s" , err->message);
 130                 g_clear_error(&err);
 131         }
 132         if (variant) {
 133                 g_variant_get(variant, "(y)", &enabled);
 134                 BT_ERR("HPS enabled status 0x%x", enabled);
 135         }
 136         return 0;
 137 }
 138
 139 int _bt_core_stop_httpproxy(void)
 140 {
 141         GVariant *variant = NULL;
 142         unsigned char enabled;
 143         GError *err = NULL;
 144         BT_DBG(" ");
 145
 146         hps_gproxy = _bt_core_gdbus_get_hps_proxy();
 147         if (!hps_gproxy) {
 148                 BT_DBG("Couldn't get service proxy");
 149                 return -1;
 150         }
 151
 152         variant = g_dbus_proxy_call_sync(hps_gproxy, "disable",
 153                                 NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, &err);
 154         if (err) {
 155                 BT_ERR("Error : %s" , err->message);
 156                 g_clear_error(&err);
 157         }
 158         if (variant) {
 159                 g_variant_get(variant, "(y)", &enabled);
 160                 BT_ERR("HPS disabled status 0x%x", enabled);
 161         }
 162         return 0;
 163 }
 164
 165 static GDBusProxy *_bt_core_gdbus_init_hps_proxy(void)
 166 {
 167         GDBusProxy *proxy;
 168         GError *err = NULL;
 169         GDBusConnection *conn;
 170
 171         BT_DBG(" ");
 172
 173         conn = _bt_core_get_gdbus_connection();
 174         if (!conn)
 175                 return NULL;
 176
 177         proxy =  g_dbus_proxy_new_sync(conn,
 178                         G_DBUS_PROXY_FLAGS_NONE, NULL,
 179                         BT_HPS_SERVICE_NAME,
 180                         BT_HPS_OBJECT_PATH,
 181                         BT_HPS_INTERFACE_NAME,
 182                         NULL, &err);
 183         if (proxy == NULL) {
 184                 if (err) {
 185                          BT_ERR("Unable to create proxy: %s", err->message);
 186                          g_clear_error(&err);
 187                 }
 188                 return NULL;
 189         }
 190
 191         hps_gproxy = proxy;
 192
 193         return proxy;
 194 }
 195
 196 GDBusProxy *_bt_core_gdbus_get_hps_proxy(void)
 197 {
 198         return (hps_gproxy) ? hps_gproxy : _bt_core_gdbus_init_hps_proxy();
 199 }
 200 #endif
 201
 202 void _bt_core_gdbus_deinit_proxys(void)
 203 {
 204         BT_DBG("");
 205
 206         if (service_gproxy) {
 207                 g_object_unref(service_gproxy);
 208                 service_gproxy = NULL;
 209         }
 210
 211 #ifdef TIZEN_FEATURE_BT_HPS
 212         if (hps_gproxy) {
 213                 g_object_unref(hps_gproxy);
 214                 hps_gproxy = NULL;
 215         }
 216 #endif
 217
 218         if (service_gconn) {
 219                 g_object_unref(service_gconn);
 220                 service_gconn = NULL;
 221         }
 222 }
 223
 224 int _bt_core_service_request(int service_type, int service_function,
 225                         GArray *in_param1, GArray *in_param2,
 226                         GArray *in_param3, GArray *in_param4,
 227                         GArray **out_param1)
 228 {
 229         GDBusProxy  *proxy;
 230         GVariant *ret = NULL;
 231         GVariant *param1;
 232         GVariant *param2;
 233         GVariant *param3;
 234         GVariant *param4;
 235         GVariant *param5;
 236
 237         int result = BLUETOOTH_ERROR_NONE;
 238         GError *error = NULL;
 239         GArray *in_param5 = NULL;
 240
 241         proxy = _bt_core_gdbus_get_service_proxy();
 242         if (!proxy)
 243                 return BLUETOOTH_ERROR_INTERNAL;
 244         in_param5 = g_array_new(TRUE, TRUE, sizeof(gchar));
 245
 246         param1 = g_variant_new_from_data((const GVariantType *)"ay",
 247                                 in_param1->data, in_param1->len,
 248                                 TRUE, NULL, NULL);
 249         param2 = g_variant_new_from_data((const GVariantType *)"ay",
 250                                 in_param2->data, in_param2->len,
 251                                 TRUE, NULL, NULL);
 252         param3 = g_variant_new_from_data((const GVariantType *)"ay",
 253                                 in_param3->data, in_param3->len,
 254                                 TRUE, NULL, NULL);
 255         param4 = g_variant_new_from_data((const GVariantType *)"ay",
 256                                 in_param4->data, in_param4->len,
 257                                 TRUE, NULL, NULL);
 258         param5 = g_variant_new_from_data((const GVariantType *)"ay",
 259                                 in_param5->data, in_param5->len,
 260                                 TRUE, NULL, NULL);
 261
 262         ret = g_dbus_proxy_call_sync(proxy, "service_request",
 263                                 g_variant_new("(iii@ay@ay@ay@ay@ay)",
 264                                         service_type, service_function,
 265                                         BT_SYNC_REQ, param1,
 266                                         param2, param3,
 267                                         param4, param5),
 268                                 G_DBUS_CALL_FLAGS_NONE, 10000,
 269                                 NULL, &error);
 270         g_array_free(in_param5, TRUE);
 271
 272         if (ret == NULL) {
 273                 /* dBUS-RPC is failed */
 274                 BT_ERR("dBUS-RPC is failed");
 275
 276                 if (error != NULL) {
 277                         /* dBUS gives error cause */
 278                         BT_ERR("D-Bus API failure: errCode[%x], message[%s]",
 279                                error->code, error->message);
 280
 281                         g_clear_error(&error);
 282                 } else {
 283                         /* dBUS does not give error cause dBUS-RPC is failed */
 284                         BT_ERR("error returned was NULL");
 285                 }
 286
 287                 return BLUETOOTH_ERROR_INTERNAL;
 288         }
 289
 290         param1 = NULL;
 291
 292         g_variant_get(ret, "(iv)", &result, &param1);
 293
 294         if (param1) {
 295                 *out_param1 = g_array_new(TRUE, TRUE, sizeof(gchar));
 296                 _bt_core_fill_garray_from_variant(param1, *out_param1);
 297                 g_variant_unref(param1);
 298         }
 299
 300         g_variant_unref(ret);
 301
 302         return result;
 303 }
 304
 305 static const gchar bt_core_introspection_xml[] =
 306 "<node name='/'>"
 307 "  <interface name='org.projectx.btcore'>"
 308 "     <method name='EnableAdapter'>"
 309 "     </method>"
 310 "     <method name='DisableAdapter'>"
 311 "     </method>"
 312 "     <method name='RecoverAdapter'>"
 313 "     </method>"
 314 "     <method name='ResetAdapter'>"
 315 "     </method>"
 316 "     <method name='EnableAdapterLe'>"
 317 "     </method>"
 318 "     <method name='DisableAdapterLe'>"
 319 "     </method>"
 320 "     <method name='EnableCore'>"
 321 "     </method>"
 322 "         <method name='SetTransferValue'>"
 323 "          <arg type='b' name='value' direction='in'/>"
 324 "         </method>"
 325 "     <method name='FactoryTestMode'>"
 326 "          <arg type='s' name='type' direction='in'/>"
 327 "          <arg type='s' name='arg' direction='in'/>"
 328 "          <arg type='i' name='ret' direction='out'/>"
 329 "     </method>"
 330 " </interface>"
 331 "</node>";
 332
 333 static guint obj_id, sig_id1, sig_id2, sig_id3;
 334
 335 static void __bt_core_dbus_method(GDBusConnection *connection,
 336                         const gchar *sender,
 337                         const gchar *object_path,
 338                         const gchar *interface_name,
 339                         const gchar *method_name,
 340                         GVariant *parameters,
 341                         GDBusMethodInvocation *invocation,
 342                         gpointer user_data)
 343 {
 344         gboolean ret;
 345
 346         BT_DBG("method %s", method_name);
 347
 348         if (g_strcmp0(method_name, "EnableAdapter") == 0) {
 349                 ret = _bt_core_enable_adapter();
 350         } else if (g_strcmp0(method_name, "DisableAdapter") == 0) {
 351                 ret = _bt_core_disable_adapter();
 352         } else if (g_strcmp0(method_name, "RecoverAdapter") == 0) {
 353                 ret = _bt_core_recover_adapter();
 354         } else if (g_strcmp0(method_name, "ResetAdapter") == 0) {
 355                 ret = __bt_core_reset_adapter();
 356         } else if (g_strcmp0(method_name, "EnableAdapterLe") == 0) {
 357                 ret = _bt_core_enable_adapter_le();
 358         } else if (g_strcmp0(method_name, "DisableAdapterLe") == 0) {
 359                 ret = _bt_core_disable_adapter_le();
 360         } else if (g_strcmp0(method_name, "EnableCore") == 0) {
 361                 ret = _bt_core_enable_core();
 362         } else if (g_strcmp0(method_name, "SetTransferValue") == 0) {
 363                 gboolean value = FALSE;
 364
 365                 g_variant_get(parameters, "(b)", &value);
 366                 BT_DBG("Transfer value: %d", value);
 367
 368                 ret = _bt_core_set_transfer_value(value);
 369         } else if (g_strcmp0(method_name, "FactoryTestMode") == 0) {
 370                 const char *type = NULL;
 371                 const char *arg = NULL;
 372
 373                 g_variant_get(parameters, "(&s&s)", &type, &arg);
 374                 ret = _bt_core_factory_test_mode(type, arg);
 375                 factory_test_mode = TRUE;
 376
 377                 if (ret == TRUE)
 378                         g_dbus_method_invocation_return_value(invocation,
 379                                 g_variant_new("(i)", ret));
 380                 else
 381                         _bt_core_terminate();
 382
 383                  return;
 384         } else {
 385                 ret = FALSE;
 386         }
 387
 388         if (!ret) {
 389                 GQuark quark = g_quark_from_string("bt-core");
 390                 GError *err = g_error_new(quark, 0, "Failed");
 391                 g_dbus_method_invocation_return_gerror(invocation, err);
 392                 g_error_free(err);
 393         } else {
 394                 g_dbus_method_invocation_return_value(invocation, NULL);
 395         }
 396
 397         BT_DBG("-");
 398 }
 399
 400 static const GDBusInterfaceVTable method_table = {
 401         __bt_core_dbus_method,
 402         NULL,
 403         NULL,
 404 };
 405
 406 static GDBusNodeInfo *__bt_core_create_node_info(
 407                                         const gchar *introspection_data)
 408 {
 409         GError *err = NULL;
 410         GDBusNodeInfo *node_info = NULL;
 411
 412         if (introspection_data == NULL)
 413                 return NULL;
 414
 415         node_info = g_dbus_node_info_new_for_xml(introspection_data, &err);
 416
 417         if (err) {
 418                 BT_ERR("Unable to create node: %s", err->message);
 419                 g_clear_error(&err);
 420         }
 421         return node_info;
 422 }
 423
 424 gboolean __is_interface_and_signal_valid(const gchar *interface_name,
 425                                                 const gchar *signal_name)
 426 {
 427         if (g_strcmp0(interface_name, "org.freedesktop.DBus") &&
 428                 g_strcmp0(interface_name, "org.freedesktop.DBus.ObjectManager"))
 429                 return FALSE;
 430
 431         if (g_strcmp0(signal_name, "NameOwnerChanged") &&
 432                 g_strcmp0(signal_name, "InterfacesAdded") &&
 433                 g_strcmp0(signal_name, "InterfacesRemoved"))
 434                 return FALSE;
 435
 436         return TRUE;
 437 }
 438
 439 static void __handle_name_owner_changed(const char *name)
 440 {
 441         gboolean flight_mode_status;
 442
 443         flight_mode_status = _bt_core_is_flight_mode_enabled();
 444
 445         if (flight_mode_status == FALSE && _bt_is_flightmode_request() == TRUE) {
 446                 BT_DBG("flightmode requested");
 447                 return;
 448         }
 449
 450         if ((g_strcmp0(name, "org.bluez") == 0) ||
 451                 (g_strcmp0(name, "org.projectx.bt") == 0)) {
 452                 BT_INFO("%s is terminated", name);
 453                 if (_bt_check_terminating_condition() == TRUE && factory_test_mode == FALSE) {
 454                         _bt_disable_adapter();
 455                         _bt_disable_adapter_le();
 456                         _bt_core_terminate();
 457                 }
 458         }
 459 }
 460
 461 static void __bt_core_event_filter(GDBusConnection *connection,
 462                                                  const gchar *sender_name,
 463                                                  const gchar *object_path,
 464                                                  const gchar *interface_name,
 465                                                  const gchar *signal_name,
 466                                                  GVariant *parameters,
 467                                                  gpointer user_data)
 468 {
 469         if (!__is_interface_and_signal_valid(interface_name, signal_name))
 470                 return;
 471
 472         if (!g_strcmp0(signal_name, "InterfacesAdded")) {
 473                 char *obj_path = NULL;
 474                 GVariant *optional_param;
 475
 476                 g_variant_get(parameters, "(&o@a{sa{sv}})",
 477                                                 &obj_path, &optional_param);
 478
 479                 if (g_strcmp0(obj_path, "/org/bluez/hci0") == 0)
 480                         _bt_core_adapter_added_cb();
 481
 482         } else if (!g_strcmp0(signal_name, "InterfacesRemoved")) {
 483                 char *obj_path = NULL;
 484                 GVariant *optional_param;
 485
 486                 g_variant_get(parameters, "(&o@as)", &obj_path,
 487                                                         &optional_param);
 488
 489                 if (g_strcmp0(obj_path, "/org/bluez/hci0") == 0)
 490                         _bt_core_adapter_removed_cb();
 491
 492         } else { /* NameOwnerChanged */
 493                 const char *name = NULL;
 494                 const char *old_owner = NULL;
 495                 const char *new_owner = NULL;
 496
 497                 g_variant_get(parameters, "(&s&s&s)", &name, &old_owner,
 498                                                                 &new_owner);
 499
 500                 if (new_owner != NULL && *new_owner == '\0')
 501                         __handle_name_owner_changed(name);
 502         }
 503 }
 504
 505 gboolean _bt_core_register_dbus(void)
 506 {
 507         GError *error = NULL;
 508         guint owner_id;
 509         GDBusNodeInfo *node_info;
 510         gchar *path;
 511         GDBusConnection *conn;
 512
 513         conn = _bt_core_get_gdbus_connection();
 514         if (!conn)
 515                 return FALSE;
 516
 517         owner_id = g_bus_own_name(G_BUS_TYPE_SYSTEM,
 518                                 BT_CORE_NAME,
 519                                 G_BUS_NAME_OWNER_FLAGS_NONE,
 520                                 NULL, NULL, NULL,
 521                                 NULL, NULL);
 522
 523         BT_DBG("owner_id is [%d]", owner_id);
 524
 525         node_info = __bt_core_create_node_info(bt_core_introspection_xml);
 526         if (node_info == NULL)
 527                 return FALSE;
 528
 529         path = g_strdup(BT_CORE_PATH);
 530         BT_DBG("path is [%s]", path);
 531
 532         obj_id = g_dbus_connection_register_object(conn, path,
 533                                         node_info->interfaces[0],
 534                                         &method_table,
 535                                         NULL, NULL, &error);
 536         g_dbus_node_info_unref(node_info);
 537         if (obj_id == 0) {
 538                 BT_ERR("Failed to register: %s", error->message);
 539                 g_error_free(error);
 540                 g_free(path);
 541                 return FALSE;
 542         }
 543
 544         g_free(path);
 545
 546         sig_id1 = g_dbus_connection_signal_subscribe(conn,
 547                                 NULL, "org.freedesktop.DBus",
 548                                 "NameOwnerChanged", NULL, NULL, 0,
 549                                 __bt_core_event_filter, NULL, NULL);
 550         sig_id2 = g_dbus_connection_signal_subscribe(conn,
 551                                 NULL, "org.freedesktop.DBus.ObjectManager",
 552                                 "InterfacesAdded", NULL, NULL,
 553                                 0, __bt_core_event_filter, NULL, NULL);
 554         sig_id3 = g_dbus_connection_signal_subscribe(conn,
 555                                 NULL, "org.freedesktop.DBus.ObjectManager",
 556                                 "InterfacesRemoved", NULL,
 557                                 NULL, 0, __bt_core_event_filter, NULL, NULL);
 558
 559         return TRUE;
 560 }
 561
 562 void  _bt_core_unregister_dbus(void)
 563 {
 564         GDBusConnection *conn;
 565
 566         BT_DBG("");
 567
 568         conn = _bt_core_get_gdbus_connection();
 569         if (!conn)
 570                 return;
 571
 572         if (obj_id > 0) {
 573                 g_dbus_connection_unregister_object(conn, obj_id);
 574                 obj_id = 0;
 575         }
 576
 577         if (sig_id1 > 0) {
 578                 g_dbus_connection_signal_unsubscribe(conn, sig_id1);
 579                 sig_id1 = 0;
 580         }
 581         if (sig_id2 > 0) {
 582                 g_dbus_connection_signal_unsubscribe(conn, sig_id2);
 583                 sig_id2 = 0;
 584         }
 585         if (sig_id3 > 0) {
 586                 g_dbus_connection_signal_unsubscribe(conn, sig_id3);
 587                 sig_id3 = 0;
 588         }
 589 }