bt-service-emul/bt-service-event-sender.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 <glib.h>
  19 #include <dlog.h>
  20 #include <gio/gio.h>
  21 #include "bluetooth-api.h"
  22 #include "bt-internal-types.h"
  23
  24 #include "bt-service-common.h"
  25 #include "bt-service-event.h"
  26
  27 static GDBusConnection *event_conn;
  28
  29 int _bt_send_event(int event_type, int event, GVariant *param)
  30 {
  31         BT_DBG("+");
  32         char *path;
  33         char *signal;
  34         GDBusMessage *msg1 = NULL;
  35
  36         retv_if(event_conn == NULL, BLUETOOTH_ERROR_INTERNAL);
  37
  38         BT_DBG("event_type [%d], event [%d]", event_type, event);
  39
  40         switch (event_type) {
  41         case BT_ADAPTER_EVENT:
  42                 path = BT_ADAPTER_PATH;
  43                 break;
  44         case BT_LE_ADAPTER_EVENT:
  45                 path = BT_LE_ADAPTER_PATH;
  46                 break;
  47         case BT_DEVICE_EVENT:
  48                 path = BT_DEVICE_PATH;
  49                 break;
  50         case BT_HID_EVENT:
  51                 path = BT_HID_PATH;
  52                 break;
  53         case BT_HEADSET_EVENT:
  54                 path = BT_HEADSET_PATH;
  55                 break;
  56         case BT_AVRCP_EVENT:
  57                 path = BT_AVRCP_PATH;
  58                 break;
  59         case BT_AVRCP_CONTROL_EVENT:
  60                 path = BT_AVRCP_CONTROL_PATH;
  61                 break;
  62         case BT_NETWORK_EVENT:
  63                 path = BT_NETWORK_PATH;
  64                 break;
  65         case BT_OPP_CLIENT_EVENT:
  66                 path = BT_OPP_CLIENT_PATH;
  67                 break;
  68         case BT_OPP_SERVER_EVENT:
  69                 path = BT_OPP_SERVER_PATH;
  70                 break;
  71         case BT_MAP_CLIENT_EVENT:
  72                 path = BT_MAP_CLIENT_PATH;
  73                 break;
  74         case BT_PBAP_CLIENT_EVENT:
  75                 path = BT_PBAP_CLIENT_PATH;
  76                 break;
  77         case BT_RFCOMM_CLIENT_EVENT:
  78                 path = BT_RFCOMM_CLIENT_PATH;
  79                 break;
  80         case BT_RFCOMM_SERVER_EVENT:
  81                 path = BT_RFCOMM_SERVER_PATH;
  82                 break;
  83         case BT_A2DP_SOURCE_EVENT:
  84                 path = BT_A2DP_SOURCE_PATH;
  85                 break;
  86         default:
  87                 BT_ERR("Unknown event");
  88                 return BLUETOOTH_ERROR_INTERNAL;
  89         }
  90
  91         switch (event) {
  92         case BLUETOOTH_EVENT_ENABLED:
  93                 signal = BT_ENABLED;
  94                 break;
  95         case BLUETOOTH_EVENT_DISABLED:
  96                 signal = BT_DISABLED;
  97                 break;
  98         case BLUETOOTH_EVENT_LE_ENABLED:
  99                 signal = BT_LE_ENABLED;
 100                 break;
 101         case BLUETOOTH_EVENT_LE_DISABLED:
 102                 signal = BT_LE_DISABLED;
 103                 break;
 104         case BLUETOOTH_EVENT_LOCAL_NAME_CHANGED:
 105                 signal = BT_ADAPTER_NAME_CHANGED;
 106                 break;
 107         case BLUETOOTH_EVENT_DISCOVERABLE_MODE_CHANGED:
 108                 signal = BT_DISCOVERABLE_MODE_CHANGED;
 109                 break;
 110         case BLUETOOTH_EVENT_DISCOVERABLE_TIMEOUT_CHANGED:
 111                 signal = BT_DISCOVERABLE_TIMEOUT_CHANGED;
 112                 break;
 113         case BLUETOOTH_EVENT_CONNECTABLE_CHANGED:
 114                 signal = BT_CONNECTABLE_CHANGED;
 115                 break;
 116         case BLUETOOTH_EVENT_DISCOVERY_STARTED:
 117                 signal = BT_DISCOVERY_STARTED;
 118                 break;
 119         case BLUETOOTH_EVENT_REMOTE_DEVICE_FOUND:
 120                 signal = BT_DEVICE_FOUND;
 121                 break;
 122         case BLUETOOTH_EVENT_DISCOVERY_FINISHED:
 123                 signal = BT_DISCOVERY_FINISHED;
 124                 break;
 125         case BLUETOOTH_EVENT_LE_DISCOVERY_STARTED:
 126                 signal = BT_LE_DISCOVERY_STARTED;
 127                 break;
 128         case BLUETOOTH_EVENT_REMOTE_LE_DEVICE_FOUND:
 129                 signal = BT_LE_DEVICE_FOUND;
 130                 break;
 131         case BLUETOOTH_EVENT_LE_DISCOVERY_FINISHED:
 132                 signal = BT_LE_DISCOVERY_FINISHED;
 133                 break;
 134         case BLUETOOTH_EVENT_ADVERTISING_STARTED:
 135                 signal = BT_ADVERTISING_STARTED;
 136                 break;
 137         case BLUETOOTH_EVENT_ADVERTISING_STOPPED:
 138                 signal = BT_ADVERTISING_STOPPED;
 139                 break;
 140         case BLUETOOTH_EVENT_ADVERTISING_MANUFACTURER_DATA_CHANGED:
 141                 signal = BT_ADVERTISING_MANUFACTURER_DATA_CHANGED;
 142                 break;
 143         case BLUETOOTH_EVENT_SCAN_RESPONSE_MANUFACTURER_DATA_CHANGED:
 144                 signal = BT_SCAN_RESPONSE_MANUFACTURER_DATA_CHANGED;
 145                 break;
 146         case BLUETOOTH_EVENT_MANUFACTURER_DATA_CHANGED:
 147                 signal = BT_MANUFACTURER_DATA_CHANGED;
 148                 break;
 149         case BLUETOOTH_EVENT_BONDING_FINISHED:
 150                 signal = BT_BOND_CREATED;
 151                 break;
 152         case BLUETOOTH_EVENT_BONDED_DEVICE_REMOVED:
 153                 signal = BT_BOND_DESTROYED;
 154                 break;
 155         case BLUETOOTH_EVENT_DEVICE_AUTHORIZED:
 156                 signal = BT_DEVICE_AUTHORIZED;
 157                 break;
 158         case BLUETOOTH_EVENT_DEVICE_UNAUTHORIZED:
 159                 signal = BT_DEVICE_UNAUTHORIZED;
 160                 break;
 161         case BLUETOOTH_EVENT_RSSI_ENABLED:
 162                 signal = BT_RSSI_MONITORING_ENABLED;
 163                 break;
 164         case BLUETOOTH_EVENT_RSSI_ALERT:
 165                 signal = BT_RSSI_ALERT;
 166                 break;
 167         case BLUETOOTH_EVENT_RAW_RSSI:
 168                 signal = BT_RAW_RSSI_EVENT;
 169                 break;
 170         case BLUETOOTH_EVENT_KEYBOARD_PASSKEY_DISPLAY:
 171                 signal = BT_KBD_PASSKEY_DISPLAY_REQ_RECEIVED;
 172                 break;
 173         case BLUETOOTH_EVENT_PIN_REQUEST:
 174                 signal = BT_PIN_REQ_RECEIVED;
 175                 break;
 176         case BLUETOOTH_EVENT_PASSKEY_REQUEST:
 177                 signal = BT_PASSKEY_REQ_RECEIVED;
 178                 break;
 179         case BLUETOOTH_EVENT_PASSKEY_CONFIRM_REQUEST:
 180                 signal = BT_PASSKEY_CFM_REQ_RECEIVED;
 181                 break;
 182         case BLUETOOTH_EVENT_SERVICE_SEARCHED:
 183                 signal = BT_SERVICE_SEARCHED;
 184                 break;
 185         case BLUETOOTH_HID_CONNECTED:
 186                 signal = BT_INPUT_CONNECTED;
 187                 BT_INFO_C("Connected [HID]");
 188                 break;
 189         case BLUETOOTH_HID_DISCONNECTED:
 190                 signal = BT_INPUT_DISCONNECTED;
 191                 BT_INFO_C("Disconnected [HID]");
 192                 break;
 193         case BLUETOOTH_PBAP_CONNECTED:
 194                 signal = BT_PBAP_CONNECTED;
 195                 BT_INFO_C("Connected [PBAP Client]");
 196                 break;
 197         case BLUETOOTH_PBAP_DISCONNECTED:
 198                 signal = BT_PBAP_DISCONNECTED;
 199                 BT_INFO_C("Disconnected [PBAP Client]");
 200                 break;
 201         case BLUETOOTH_PBAP_PHONEBOOK_SIZE:
 202                 signal = BT_PBAP_PHONEBOOK_SIZE;
 203                 break;
 204         case BLUETOOTH_PBAP_PHONEBOOK_PULL:
 205                 signal = BT_PBAP_PHONEBOOK_PULL;
 206                 break;
 207         case BLUETOOTH_PBAP_VCARD_LIST:
 208                 signal = BT_PBAP_VCARD_LIST;
 209                 break;
 210         case BLUETOOTH_PBAP_VCARD_PULL:
 211                 signal = BT_PBAP_VCARD_PULL;
 212                 break;
 213         case BLUETOOTH_PBAP_PHONEBOOK_SEARCH:
 214                 signal = BT_PBAP_SEARCH_PHONEBOOK;
 215                 break;
 216         case BLUETOOTH_EVENT_AG_CONNECTED:
 217                 signal = BT_HEADSET_CONNECTED;
 218                 BT_INFO_C("Connected [HSP/HFP]");
 219                 break;
 220         case BLUETOOTH_EVENT_AG_DISCONNECTED:
 221                 signal = BT_HEADSET_DISCONNECTED;
 222                 BT_INFO_C("Disconnected [HSP/HFP]");
 223                 break;
 224         case BLUETOOTH_EVENT_AV_CONNECTED:
 225                 signal = BT_STEREO_HEADSET_CONNECTED;
 226                 BT_INFO_C("Connected [A2DP]");
 227                 break;
 228         case BLUETOOTH_EVENT_AV_DISCONNECTED:
 229                 signal = BT_STEREO_HEADSET_DISCONNECTED;
 230                 BT_INFO_C("Disconnected [A2DP]");
 231                 break;
 232         case BLUETOOTH_EVENT_AG_AUDIO_CONNECTED:
 233                 signal = BT_SCO_CONNECTED;
 234                 BT_INFO_C("Connected [SCO]");
 235                 break;
 236         case BLUETOOTH_EVENT_AG_AUDIO_DISCONNECTED:
 237                 signal = BT_SCO_DISCONNECTED;
 238                 BT_INFO_C("Disonnected [SCO]");
 239                 break;
 240         case BLUETOOTH_EVENT_AG_SPEAKER_GAIN:
 241                 signal = BT_SPEAKER_GAIN;
 242                 break;
 243         case BLUETOOTH_EVENT_AG_MIC_GAIN:
 244                 signal = BT_MICROPHONE_GAIN;
 245                 break;
 246         case BLUETOOTH_EVENT_NETWORK_CONNECTED:
 247                 signal = BT_NETWORK_CONNECTED;
 248                 BT_INFO_C("Connected [Newwork]");
 249                 break;
 250         case BLUETOOTH_EVENT_NETWORK_DISCONNECTED:
 251                 signal = BT_NETWORK_DISCONNECTED;
 252                 BT_INFO_C("Disconnected [Newwork]");
 253                 break;
 254         case BLUETOOTH_EVENT_NETWORK_SERVER_CONNECTED:
 255                 signal = BT_NETWORK_SERVER_CONNECTED;
 256                 BT_INFO_C("Connected [Network Server]");
 257                 break;
 258         case BLUETOOTH_EVENT_NETWORK_SERVER_DISCONNECTED:
 259                 signal = BT_NETWORK_SERVER_DISCONNECTED;
 260                 BT_INFO_C("Disconnected [Network Server]");
 261                 break;
 262         case BLUETOOTH_EVENT_OPC_CONNECTED:
 263                 signal = BT_OPP_CONNECTED;
 264                 BT_INFO_C("Connected [OPP]");
 265                 break;
 266         case BLUETOOTH_EVENT_OPC_DISCONNECTED:
 267                 signal = BT_OPP_DISCONNECTED;
 268                 BT_INFO_C("Disconnected [OPP]");
 269                 break;
 270         case BLUETOOTH_EVENT_MAP_CONNECTED:
 271                 signal = BT_MAP_CONNECTED;
 272                 BT_INFO_C("Connected [MAP]");
 273                 break;
 274         case BLUETOOTH_EVENT_MAP_DISCONNECTED:
 275                 signal = BT_MAP_DISCONNECTED;
 276                 BT_INFO_C("Disconnected [MAP]");
 277                 break;
 278         case BLUETOOTH_EVENT_OBEX_SERVER_TRANSFER_CONNECTED:
 279                 signal = BT_TRANSFER_CONNECTED;
 280                 break;
 281         case BLUETOOTH_EVENT_OBEX_SERVER_TRANSFER_DISCONNECTED:
 282                 signal = BT_TRANSFER_DISCONNECTED;
 283                 break;
 284         case BLUETOOTH_EVENT_OPC_TRANSFER_STARTED:
 285         case BLUETOOTH_EVENT_OBEX_SERVER_TRANSFER_STARTED:
 286                 signal = BT_TRANSFER_STARTED;
 287                 break;
 288         case BLUETOOTH_EVENT_OPC_TRANSFER_PROGRESS:
 289         case BLUETOOTH_EVENT_OBEX_SERVER_TRANSFER_PROGRESS:
 290                 signal = BT_TRANSFER_PROGRESS;
 291                 break;
 292         case BLUETOOTH_EVENT_OPC_TRANSFER_COMPLETE:
 293         case BLUETOOTH_EVENT_OBEX_SERVER_TRANSFER_COMPLETED:
 294                 signal = BT_TRANSFER_COMPLETED;
 295                 break;
 296         case BLUETOOTH_EVENT_OBEX_SERVER_TRANSFER_AUTHORIZE:
 297                 signal = BT_TRANSFER_AUTHORIZED;
 298                 break;
 299         case BLUETOOTH_EVENT_OBEX_SERVER_CONNECTION_AUTHORIZE:
 300         case BLUETOOTH_EVENT_RFCOMM_AUTHORIZE:
 301                 signal = BT_CONNECTION_AUTHORIZED;
 302                 break;
 303         case BLUETOOTH_EVENT_RFCOMM_CONNECTED:
 304                 signal = BT_RFCOMM_CONNECTED;
 305                 break;
 306         case BLUETOOTH_EVENT_RFCOMM_DISCONNECTED:
 307                 signal = BT_RFCOMM_DISCONNECTED;
 308                 break;
 309         case BLUETOOTH_EVENT_RFCOMM_DATA_RECEIVED:
 310                 signal = BT_RFCOMM_DATA_RECEIVED;
 311                 break;
 312         case BLUETOOTH_EVENT_RFCOMM_SERVER_REMOVED:
 313                 signal = BT_RFCOMM_SERVER_REMOVED;
 314                 break;
 315         case BLUETOOTH_EVENT_DEVICE_CONNECTED:
 316                 signal = BT_DEVICE_CONNECTED;
 317                 break;
 318         case BLUETOOTH_EVENT_DEVICE_DISCONNECTED:
 319                 signal = BT_DEVICE_DISCONNECTED;
 320                 break;
 321         case BLUETOOTH_EVENT_AV_SOURCE_CONNECTED:
 322                 signal = BT_A2DP_SOURCE_CONNECTED;
 323                 BT_INFO_C("Connected [A2DP Source]");
 324                 break;
 325         case BLUETOOTH_EVENT_AV_SOURCE_DISCONNECTED:
 326                 signal = BT_A2DP_SOURCE_DISCONNECTED;
 327                 BT_INFO_C("Disconnected [A2DP Source]");
 328                 break;
 329         case BLUETOOTH_EVENT_AVRCP_CONNECTED:
 330         case BLUETOOTH_EVENT_AVRCP_CONTROL_CONNECTED:
 331                 signal = BT_AVRCP_CONNECTED;
 332                 BT_INFO_C("Connected [AVRCP]");
 333                 break;
 334         case BLUETOOTH_EVENT_AVRCP_DISCONNECTED:
 335         case BLUETOOTH_EVENT_AVRCP_CONTROL_DISCONNECTED:
 336                 signal = BT_AVRCP_DISCONNECTED;
 337                 BT_INFO_C("Disconnected [AVRCP]");
 338                 break;
 339         case BLUETOOTH_EVENT_AVRCP_SETTING_SHUFFLE_STATUS:
 340         case BLUETOOTH_EVENT_AVRCP_CONTROL_SHUFFLE_STATUS:
 341                 signal = BT_MEDIA_SHUFFLE_STATUS;
 342                 break;
 343         case BLUETOOTH_EVENT_AVRCP_SETTING_EQUALIZER_STATUS:
 344         case BLUETOOTH_EVENT_AVRCP_CONTROL_EQUALIZER_STATUS:
 345                 signal = BT_MEDIA_EQUALIZER_STATUS;
 346                 break;
 347         case BLUETOOTH_EVENT_AVRCP_SETTING_REPEAT_STATUS:
 348         case BLUETOOTH_EVENT_AVRCP_CONTROL_REPEAT_STATUS:
 349                 signal = BT_MEDIA_REPEAT_STATUS;
 350                 break;
 351         case BLUETOOTH_EVENT_AVRCP_SETTING_SCAN_STATUS:
 352         case BLUETOOTH_EVENT_AVRCP_CONTROL_SCAN_STATUS:
 353                 signal = BT_MEDIA_SCAN_STATUS;
 354                 break;
 355         case BLUETOOTH_EVENT_AVRCP_SONG_POSITION_STATUS:
 356                 signal = BT_MEDIA_POSITION_STATUS;
 357                 break;
 358         case BLUETOOTH_EVENT_AVRCP_PLAY_STATUS_CHANGED:
 359                 signal = BT_MEDIA_PLAY_STATUS;
 360                 break;
 361         case BLUETOOTH_EVENT_AVRCP_TRACK_CHANGED:
 362                 signal = BT_MEDIA_TRACK_CHANGE;
 363                 break;
 364         case BLUETOOTH_EVENT_GATT_CONNECTED:
 365                 signal = BT_GATT_CONNECTED;
 366                 break;
 367         case BLUETOOTH_EVENT_GATT_DISCONNECTED:
 368                 signal = BT_GATT_DISCONNECTED;
 369                 break;
 370         case BLUETOOTH_EVENT_IPSP_INIT_STATE_CHANGED:
 371                 signal = BT_IPSP_INITIALIZED;
 372                 break;
 373         case BLUETOOTH_EVENT_IPSP_CONNECTED:
 374                 signal = BT_IPSP_CONNECTED;
 375                 break;
 376         case BLUETOOTH_EVENT_IPSP_DISCONNECTED:
 377                 signal = BT_IPSP_DISCONNECTED;
 378                 break;
 379         case BLUETOOTH_EVENT_GATT_CHAR_VAL_CHANGED:
 380                 signal = BT_GATT_CHAR_VAL_CHANGED;
 381                 break;
 382         case BLUETOOTH_EVENT_LE_DATA_LENGTH_CHANGED:
 383                 signal = BT_LE_DATA_LENGTH_CHANGED;
 384                 break;
 385         default:
 386                 BT_ERR("Unknown event");
 387                 return BLUETOOTH_ERROR_INTERNAL;
 388         }
 389
 390         BT_DBG("Path : %s", path);
 391         BT_INFO_C("Signal : %s", signal);
 392
 393         msg1 = g_dbus_message_new_signal(path, BT_EVENT_SERVICE, signal);
 394         g_dbus_message_set_body(msg1, param);
 395         if (!g_dbus_connection_send_message(event_conn, msg1, G_DBUS_SEND_MESSAGE_FLAGS_NONE, 0, NULL))
 396                 BT_ERR("Error while sending");
 397
 398         g_object_unref(msg1);
 399
 400         return BLUETOOTH_ERROR_NONE;
 401 }
 402
 403 int _bt_send_event_to_dest(const char* dest, int event_type,
 404                 int event, GVariant *param)
 405 {
 406         BT_DBG("+");
 407         char *path;
 408         char *signal;
 409         GError *error = NULL;
 410
 411         retv_if(event_conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 412
 413         BT_DBG("dest : %s", dest);
 414         BT_DBG("event_type [%d], event [%d]", event_type, event);
 415
 416         switch (event_type) {
 417         case BT_ADAPTER_EVENT:
 418                 path = BT_ADAPTER_PATH;
 419                 break;
 420         case BT_LE_ADAPTER_EVENT:
 421                 path = BT_LE_ADAPTER_PATH;
 422                 break;
 423         case BT_DEVICE_EVENT:
 424                 path = BT_DEVICE_PATH;
 425                 break;
 426         default:
 427                 BT_ERR("Unknown event");
 428                 return BLUETOOTH_ERROR_INTERNAL;
 429         }
 430
 431         switch (event) {
 432         case BLUETOOTH_EVENT_ADVERTISING_STARTED:
 433                 signal = BT_ADVERTISING_STARTED;
 434                 break;
 435         case BLUETOOTH_EVENT_ADVERTISING_STOPPED:
 436                 signal = BT_ADVERTISING_STOPPED;
 437                 break;
 438         case BLUETOOTH_EVENT_LE_DISCOVERY_STARTED:
 439                 signal = BT_LE_DISCOVERY_STARTED;
 440                 break;
 441         case BLUETOOTH_EVENT_REMOTE_LE_DEVICE_FOUND:
 442                 signal = BT_LE_DEVICE_FOUND;
 443                 break;
 444         case BLUETOOTH_EVENT_LE_DISCOVERY_FINISHED:
 445                 signal = BT_LE_DISCOVERY_FINISHED;
 446                 break;
 447         case BLUETOOTH_EVENT_GATT_CHAR_VAL_CHANGED:
 448                 signal = BT_GATT_CHAR_VAL_CHANGED;
 449                 break;
 450         default:
 451                 BT_ERR("Unknown event");
 452                 return BLUETOOTH_ERROR_INTERNAL;
 453         }
 454
 455         BT_DBG("Path : %s", path);
 456         BT_INFO_C("Signal : %s", signal);
 457
 458         if (!g_dbus_connection_emit_signal(event_conn, dest, path, BT_EVENT_SERVICE,
 459                         signal, param, &error)) {
 460                 BT_ERR("Error while sending Signal: %s", signal);
 461                 if (error) {
 462                         BT_ERR("Error Code [%d], Error Message [%s]",
 463                                         error->code, error->message);
 464                         g_clear_error(&error);
 465                 }
 466         }
 467
 468         BT_DBG("-");
 469         return BLUETOOTH_ERROR_NONE;
 470 }
 471
 472 /* To send the event from service daemon to application*/
 473 int _bt_init_service_event_sender(void)
 474 {
 475         GDBusConnection *conn;
 476         GError *err = NULL;
 477
 478         if (event_conn) {
 479                 BT_ERR("Event handler is already exist");
 480                 return BLUETOOTH_ERROR_INTERNAL;
 481         }
 482
 483         conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
 484         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 485         if (conn == NULL) {
 486                 BT_ERR("conn == NULL");
 487                 if (err) {
 488                         BT_ERR("Code[%d], Message[%s]",
 489                                         err->code, err->message);
 490                         g_clear_error(&err);
 491                 }
 492
 493                 return BLUETOOTH_ERROR_INTERNAL;
 494         }
 495
 496         event_conn = conn;
 497         return BLUETOOTH_ERROR_NONE;
 498 }
 499
 500 void _bt_deinit_service_event_sender(void)
 501 {
 502         if (event_conn) {
 503                 g_object_unref(event_conn);
 504                 event_conn = NULL;
 505         }
 506 }
 507