src/persistence_client_library_dbus_service.c

   1 /******************************************************************************
   2  * Project         Persistency
   3  * (c) copyright   2012
   4  * Company         XS Embedded GmbH
   5  *****************************************************************************/
   6 /******************************************************************************
   7  * This Source Code Form is subject to the terms of the
   8  * Mozilla Public License, v. 2.0. If a  copy of the MPL was not distributed
   9  * with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
  10 ******************************************************************************/
  11  /**
  12  * @file           persistence_client_library_dbus_service.c
  13  * @ingroup        Persistence client library
  14  * @author         Ingo Huerner
  15  * @brief          Implementation of the persistence client library dbus service.
  16  * @see
  17  */
  18
  19
  20 #include "persistence_client_library_dbus_service.h"
  21 #include "persistence_client_library_lc_interface.h"
  22 #include "persistence_client_library_pas_interface.h"
  23 #include "../include_protected/persistence_client_library_data_organization.h"
  24
  25 #include <stdio.h>
  26 #include <errno.h>
  27 #include <string.h>
  28 #include <unistd.h>
  29 #include <stdlib.h>
  30
  31 pthread_cond_t  gDbusInitializedCond = PTHREAD_COND_INITIALIZER;
  32 pthread_mutex_t gDbusInitializedMtx  = PTHREAD_MUTEX_INITIALIZER;
  33
  34 pthread_mutex_t gDbusPendingRegMtx   = PTHREAD_MUTEX_INITIALIZER;
  35
  36 pthread_mutex_t gMainLoopMtx         = PTHREAD_MUTEX_INITIALIZER;
  37 pthread_cond_t  gMainLoopCond = PTHREAD_COND_INITIALIZER;
  38
  39 int gEfds;
  40
  41
  42 typedef enum EDBusObjectType
  43 {
  44    OT_NONE = 0,
  45    OT_WATCH,
  46    OT_TIMEOUT
  47 } tDBusObjectType;
  48
  49
  50 typedef struct SObjectEntry
  51 {
  52    tDBusObjectType objtype; /** libdbus' object */
  53    union
  54    {
  55       DBusWatch * watch;      /** watch "object" */
  56       DBusTimeout * timeout;  /** timeout "object" */
  57    };
  58 } tObjectEntry;
  59
  60
  61
  62 /// polling structure
  63 typedef struct SPollInfo
  64 {
  65    int nfds;
  66    struct pollfd fds[10];
  67    tObjectEntry objects[10];
  68 } tPollInfo;
  69
  70
  71 /// polling information
  72 static tPollInfo gPollInfo;
  73
  74 int bContinue = 0;
  75
  76 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
  77
  78
  79 /* function to unregister ojbect path message handler */
  80 static void unregisterMessageHandler(DBusConnection *connection, void *user_data)
  81 {
  82    DLT_LOG(gDLTContext, DLT_LOG_INFO, DLT_STRING("unregisterObjectPath\n"));
  83 }
  84
  85 /* catches messages not directed to any registered object path ("garbage collector") */
  86 static DBusHandlerResult handleObjectPathMessageFallback(DBusConnection * connection, DBusMessage * message, void * user_data)
  87 {
  88    DBusHandlerResult result = DBUS_HANDLER_RESULT_HANDLED;
  89
  90    // org.genivi.persistence.admin  S I G N A L
  91    if((0==strcmp("org.genivi.persistence.admin", dbus_message_get_interface(message))))
  92    {
  93       if(dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_SIGNAL)
  94       {
  95          if((0==strcmp("PersistenceModeChanged", dbus_message_get_member(message))))
  96          {
  97             // to do handle signal
  98             result = signal_persModeChange(connection, message);
  99          }
 100          else
 101          {
 102             DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("handleObjectPathMessageFallback -> unknown signal:"), DLT_STRING(dbus_message_get_interface(message)) );
 103          }
 104       }
 105    }
 106    // org.genivi.persistence.admin  S I G N A L
 107    else if((0==strcmp("org.genivi.persistence.adminconsumer", dbus_message_get_interface(message))))
 108    {
 109       if(dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_SIGNAL)
 110       {
 111          pclNotification_s notifyStruct;
 112          int validMessage = 0;
 113
 114          if((0==strcmp("PersistenceResChange", dbus_message_get_member(message))))
 115          {
 116             notifyStruct.pclKeyNotify_Status = pclNotifyStatus_changed;
 117             validMessage = 1;
 118          }
 119          else if((0==strcmp("PersistenceResDelete", dbus_message_get_member(message))))
 120          {
 121             notifyStruct.pclKeyNotify_Status = pclNotifyStatus_deleted;
 122             validMessage = 1;
 123          }
 124          else if((0==strcmp("PersistenceRes", dbus_message_get_member(message))))
 125          {
 126             notifyStruct.pclKeyNotify_Status = pclNotifyStatus_created;
 127             validMessage = 1;
 128          }
 129
 130          if(validMessage == 1)
 131          {
 132             DBusError error;
 133             DBusMessage *reply;
 134             dbus_error_init (&error);
 135             char* ldbid;
 136             char* user_no;
 137             char* seat_no;
 138
 139             if (!dbus_message_get_args(message, &error, DBUS_TYPE_STRING, &notifyStruct.resource_id,
 140                                                          DBUS_TYPE_STRING, &ldbid,
 141                                                          DBUS_TYPE_STRING, &user_no,
 142                                                          DBUS_TYPE_STRING, &seat_no,
 143                                                          DBUS_TYPE_INVALID))
 144             {
 145                reply = dbus_message_new_error(message, error.name, error.message);
 146
 147                if (reply == 0)
 148                {
 149                   DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("handleObjectPathMessageFallback => DBus No memory"), DLT_STRING(dbus_message_get_interface(message)) );
 150                }
 151
 152                if (!dbus_connection_send(connection, reply, 0))
 153                {
 154                   DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("handleObjectPathMessageFallback => DBus No memory"), DLT_STRING(dbus_message_get_interface(message)) );
 155                }
 156
 157                result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;;
 158                dbus_message_unref(reply);
 159             }
 160             else
 161             {
 162                notifyStruct.ldbid       = atoi(ldbid);
 163                notifyStruct.user_no     = atoi(user_no);
 164                notifyStruct.seat_no     = atoi(seat_no);
 165
 166                // call the registered callback function
 167                if(gChangeNotifyCallback != NULL )
 168                {
 169                   gChangeNotifyCallback(&notifyStruct);
 170                }
 171                else
 172                {
 173                   DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("handleObjectPathMessageFallback => gChangeNotifyCallback is not set (possibly NULL)") );
 174                }
 175                result = DBUS_HANDLER_RESULT_HANDLED;
 176             }
 177             dbus_connection_flush(connection);
 178          }
 179       }
 180    }
 181    // org.genivi.persistence.admin  P R O P E R T Y
 182    else  if((0==strcmp("org.freedesktop.DBus.Properties", dbus_message_get_interface(message))))
 183    {
 184       if(dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_SIGNAL)
 185       {
 186          if((0==strcmp("EggDBusChanged", dbus_message_get_member(message))))
 187          {
 188             DBusMessageIter array;
 189             DBusMessageIter dict;
 190             DBusMessageIter variant;
 191
 192             char* dictString = NULL;
 193             int value = 0;
 194
 195             dbus_message_iter_open_container(&array, DBUS_TYPE_DICT_ENTRY, 0, &dict);
 196             dbus_message_iter_get_basic(&dict, &dictString);
 197
 198             dbus_message_iter_open_container(&dict,DBUS_TYPE_VARIANT, NULL, &variant);
 199             dbus_message_iter_get_basic(&dict, &value);
 200
 201             dbus_message_iter_close_container(&dict, &variant);
 202             dbus_message_iter_close_container(&array, &dict);
 203
 204             // to do handle signal
 205             result = DBUS_HANDLER_RESULT_HANDLED;
 206          }
 207          else
 208          {
 209             DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("handleObjectPathMessageFallback -> unknown property:"), DLT_STRING(dbus_message_get_interface(message)) );
 210          }
 211       }
 212       else
 213       {
 214          DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("handleObjectPathMessageFallback -> not a signal:"), DLT_STRING(dbus_message_get_member(message)) );
 215       }
 216    }
 217    return result;
 218 }
 219
 220
 221
 222 static void  unregisterObjectPathFallback(DBusConnection *connection, void *user_data)
 223 {
 224    DLT_LOG(gDLTContext, DLT_LOG_INFO, DLT_STRING("unregisterObjectPathFallback\n"));
 225 }
 226
 227
 228
 229 void* run_mainloop(void* dataPtr)
 230 {
 231    // persistence admin message
 232    static const struct DBusObjectPathVTable vtablePersAdmin
 233       = {unregisterMessageHandler, checkPersAdminMsg, NULL, };
 234
 235    // lifecycle message
 236    static const struct DBusObjectPathVTable vtableLifecycle
 237       = {unregisterMessageHandler, checkLifecycleMsg, NULL, };
 238
 239    // fallback
 240    static const struct DBusObjectPathVTable vtableFallback
 241       = {unregisterObjectPathFallback, handleObjectPathMessageFallback, NULL, };
 242
 243    // setup the dbus
 244    mainLoop(vtablePersAdmin, vtableLifecycle, vtableFallback, dataPtr);
 245
 246    return NULL;
 247 }
 248
 249
 250
 251 int setup_dbus_mainloop(void)
 252 {
 253    int rval = 0;
 254    pthread_t thread;
 255    DBusError err;
 256    DBusConnection* conn = NULL;
 257
 258    const char *pAddress = getenv("PERS_CLIENT_DBUS_ADDRESS");
 259
 260    // enable locking of data structures in the D-Bus library for multi threading.
 261    dbus_threads_init_default();
 262    dbus_error_init(&err);
 263
 264    // wain until dbus main loop has been setup and running
 265    pthread_mutex_lock(&gDbusInitializedMtx);
 266
 267    // Connect to the bus and check for errors
 268    if(pAddress != NULL)
 269    {
 270       DLT_LOG(gDLTContext, DLT_LOG_INFO, DLT_STRING("setup_dbus_mainloop -> Use specific dbus address:"), DLT_STRING(pAddress) );
 271
 272       conn = dbus_connection_open_private(pAddress, &err);
 273
 274       if(conn != NULL)
 275       {
 276          if(!dbus_bus_register(conn, &err))
 277          {
 278             DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("dbus_bus_register() Error :"), DLT_STRING(err.message) );
 279             dbus_error_free (&err);
 280             pthread_mutex_unlock(&gDbusInitializedMtx);
 281             return -1;
 282          }
 283       }
 284       else
 285       {
 286          DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("dbus_connection_open_private() Error :"), DLT_STRING(err.message) );
 287          dbus_error_free(&err);
 288          pthread_mutex_unlock(&gDbusInitializedMtx);
 289          return -1;
 290       }
 291    }
 292    else
 293    {
 294       DLT_LOG(gDLTContext, DLT_LOG_INFO, DLT_STRING("Use default dbus bus (DBUS_BUS_SYSTEM)"));
 295
 296       conn = dbus_bus_get_private(DBUS_BUS_SYSTEM, &err);
 297    }
 298
 299    // create here the dbus connection and pass to main loop
 300    rval = pthread_create(&thread, NULL, run_mainloop, conn);
 301    if(rval)
 302    {
 303      DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("pthread_create( DBUS run_mainloop ) returned an error:"), DLT_INT(rval) );
 304      pthread_mutex_unlock(&gDbusInitializedMtx);
 305      return -1;
 306    }
 307
 308    // wait for condition variable
 309    pthread_cond_wait(&gDbusInitializedCond, &gDbusInitializedMtx);
 310
 311    pthread_mutex_unlock(&gDbusInitializedMtx);
 312    return rval;
 313 }
 314
 315
 316
 317
 318
 319 static dbus_bool_t addWatch(DBusWatch *watch, void *data)
 320 {
 321    dbus_bool_t result = FALSE;
 322
 323    if (ARRAY_SIZE(gPollInfo.fds)>gPollInfo.nfds)
 324    {
 325       int flags = dbus_watch_get_flags(watch);
 326
 327       tObjectEntry * const pEntry = &gPollInfo.objects[gPollInfo.nfds];
 328       pEntry->objtype = OT_WATCH;
 329       pEntry->watch = watch;
 330
 331       gPollInfo.fds[gPollInfo.nfds].fd = dbus_watch_get_unix_fd(watch);
 332
 333       if (TRUE==dbus_watch_get_enabled(watch))
 334       {
 335          if (flags&DBUS_WATCH_READABLE)
 336          {
 337             gPollInfo.fds[gPollInfo.nfds].events |= POLLIN;
 338          }
 339          if (flags&DBUS_WATCH_WRITABLE)
 340          {
 341             gPollInfo.fds[gPollInfo.nfds].events |= POLLOUT;
 342          }
 343
 344          ++gPollInfo.nfds;
 345       }
 346
 347       result = TRUE;
 348    }
 349
 350    return result;
 351 }
 352
 353
 354
 355 static void removeWatch(DBusWatch *watch, void *data)
 356 {
 357    void* w_data = dbus_watch_get_data(watch);
 358
 359    DLT_LOG(gDLTContext, DLT_LOG_INFO, DLT_STRING("removeWatch called "), DLT_INT( (int)watch) );
 360
 361    if(w_data)
 362       free(w_data);
 363
 364    dbus_watch_set_data(watch, NULL, NULL);
 365 }
 366
 367
 368
 369 static void watchToggled(DBusWatch *watch, void *data)
 370 {
 371    DLT_LOG(gDLTContext, DLT_LOG_INFO, DLT_STRING("watchToggled called "), DLT_INT( (int)watch) );
 372
 373    if(dbus_watch_get_enabled(watch))
 374       addWatch(watch, data);
 375    else
 376       removeWatch(watch, data);
 377 }
 378
 379
 380
 381 static dbus_bool_t addTimeout(DBusTimeout *timeout, void *data)
 382 {
 383    dbus_bool_t ret = FALSE;
 384
 385    if (ARRAY_SIZE(gPollInfo.fds)>gPollInfo.nfds)
 386    {
 387       const int interval = dbus_timeout_get_interval(timeout);
 388       if ((0<interval)&&(TRUE==dbus_timeout_get_enabled(timeout)))
 389       {
 390          const int tfd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
 391          if (-1!=tfd)
 392          {
 393             const struct itimerspec its = { .it_value= {interval/1000, interval%1000} };
 394             if (-1!=timerfd_settime(tfd, 0, &its, NULL))
 395             {
 396                tObjectEntry * const pEntry = &gPollInfo.objects[gPollInfo.nfds];
 397                pEntry->objtype = OT_TIMEOUT;
 398                pEntry->timeout = timeout;
 399                gPollInfo.fds[gPollInfo.nfds].fd = tfd;
 400                gPollInfo.fds[gPollInfo.nfds].events |= POLLIN;
 401                ++gPollInfo.nfds;
 402                ret = TRUE;
 403             }
 404             else
 405             {
 406                DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("addTimeout => timerfd_settime() failed"), DLT_STRING(strerror(errno)) );
 407             }
 408          }
 409          else
 410          {
 411             DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("addTimeout => timerfd_create() failed"), DLT_STRING(strerror(errno)) );
 412          }
 413       }
 414    }
 415    else
 416    {
 417       DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("addTimeout => cannot create another fd to be poll()'ed"));
 418    }
 419
 420    return ret;
 421 }
 422
 423
 424
 425 static void removeTimeout(DBusTimeout *timeout, void *data)
 426 {
 427
 428    int i = gPollInfo.nfds;
 429    while ((0<i--)&&(timeout!=gPollInfo.objects[i].timeout));
 430
 431    if (0<i)
 432    {
 433       if (-1==close(gPollInfo.fds[i].fd))
 434       {
 435          DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("removeTimeout => close() timerfd"), DLT_STRING(strerror(errno)) );
 436       }
 437
 438       --gPollInfo.nfds;
 439       while (gPollInfo.nfds>i)
 440       {
 441          gPollInfo.fds[i] = gPollInfo.fds[i+1];
 442          gPollInfo.objects[i] = gPollInfo.objects[i+1];
 443          ++i;
 444       }
 445
 446       gPollInfo.fds[gPollInfo.nfds].fd = -1;
 447       gPollInfo.objects[gPollInfo.nfds].objtype = OT_NONE;
 448    }
 449 }
 450
 451
 452
 453 /** callback for libdbus' when timeout changed */
 454 static void timeoutToggled(DBusTimeout *timeout, void *data)
 455 {
 456    int i = gPollInfo.nfds;
 457    while ((0<i--)&&(timeout!=gPollInfo.objects[i].timeout));
 458    DLT_LOG(gDLTContext, DLT_LOG_INFO, DLT_STRING("timeoutToggled") );
 459    if (0<i)
 460    {
 461       const int interval = (TRUE==dbus_timeout_get_enabled(timeout))?dbus_timeout_get_interval(timeout):0;
 462       const struct itimerspec its = { .it_value= {interval/1000, interval%1000} };
 463       if (-1!=timerfd_settime(gPollInfo.fds[i].fd, 0, &its, NULL))
 464       {
 465          DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("timeoutToggled => timerfd_settime()"), DLT_STRING(strerror(errno)) );
 466       }
 467    }
 468 }
 469
 470
 471
 472 int mainLoop(DBusObjectPathVTable vtable, DBusObjectPathVTable vtable2,
 473              DBusObjectPathVTable vtableFallback, void* userData)
 474 {
 475    DBusError err;
 476    // lock mutex to make sure dbus main loop is running
 477    pthread_mutex_lock(&gDbusInitializedMtx);
 478
 479    DBusConnection* conn = (DBusConnection*)userData;
 480    dbus_error_init(&err);
 481
 482    if (dbus_error_is_set(&err))
 483    {
 484       DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("mainLoop => Connection Error:"), DLT_STRING(err.message) );
 485       dbus_error_free(&err);
 486    }
 487    else if (NULL != conn)
 488    {
 489       dbus_connection_set_exit_on_disconnect(conn, FALSE);
 490       if (-1 == (gEfds = eventfd(0, 0)))
 491       {
 492          DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("mainLoop => eventfd() failed w/ errno:"), DLT_INT(errno) );
 493       }
 494       else
 495       {
 496          int ret;
 497          memset(&gPollInfo, 0 , sizeof(gPollInfo));
 498
 499          gPollInfo.nfds = 1;
 500          gPollInfo.fds[0].fd = gEfds;
 501          gPollInfo.fds[0].events = POLLIN;
 502
 503          dbus_bus_add_match(conn, "type='signal',interface='org.genivi.persistence.admin',member='PersistenceModeChanged',path='/org/genivi/persistence/admin'", &err);
 504
 505          // register for messages
 506          if (   (TRUE==dbus_connection_register_object_path(conn, "/org/genivi/persistence/adminconsumer", &vtable, userData))
 507              && (TRUE==dbus_connection_register_object_path(conn, "/org/genivi/NodeStateManager/LifeCycleConsumer", &vtable2, userData))
 508              && (TRUE==dbus_connection_register_fallback(conn, "/", &vtableFallback, userData)) )
 509          {
 510             if(   (TRUE!=dbus_connection_set_watch_functions(conn, addWatch, removeWatch, watchToggled, NULL, NULL))
 511                || (TRUE!=dbus_connection_set_timeout_functions(conn, addTimeout, removeTimeout, timeoutToggled, NULL, NULL)) )
 512             {
 513                DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("mainLoop => dbus_connection_set_watch_functions() failed"));
 514             }
 515             else
 516             {
 517                pthread_cond_signal(&gDbusInitializedCond);
 518                pthread_mutex_unlock(&gDbusInitializedMtx);
 519                do
 520                {
 521                   bContinue = 0; /* assume error */
 522
 523                   while (DBUS_DISPATCH_DATA_REMAINS==dbus_connection_dispatch(conn));
 524
 525                   while ((-1==(ret=poll(gPollInfo.fds, gPollInfo.nfds, -1)))&&(EINTR==errno));
 526
 527                   if (0>ret)
 528                   {
 529                      DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("mainLoop => poll() failed w/ errno "), DLT_INT(errno) );
 530                   }
 531                   else if (0==ret)
 532                   {
 533                      /* poll time-out */
 534                   }
 535                   else
 536                   {
 537                      int i;
 538
 539                      for (i=0; gPollInfo.nfds>i; ++i)
 540                      {
 541                         /* anything to do */
 542                         if (0!=gPollInfo.fds[i].revents)
 543                         {
 544                            if (OT_TIMEOUT==gPollInfo.objects[i].objtype)
 545                            {
 546                               /* time-out occured */
 547                               unsigned long long nExpCount = 0;
 548                               if ((ssize_t)sizeof(nExpCount)!=read(gPollInfo.fds[i].fd, &nExpCount, sizeof(nExpCount)))
 549                               {
 550                                  DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("mainLoop => read failed"));
 551                               }
 552                               DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("mainLoop => timeout"));
 553
 554                               if (FALSE==dbus_timeout_handle(gPollInfo.objects[i].timeout))
 555                               {
 556                                  DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("mainLoop => dbus_timeout_handle() failed!?"));
 557                               }
 558                               bContinue = TRUE;
 559                            }
 560                            else if (gPollInfo.fds[i].fd == gEfds)
 561                            {
 562                               /* internal command */
 563                               if (0!=(gPollInfo.fds[i].revents & POLLIN))
 564                               {
 565                                  uint16_t buf[64];
 566                                  bContinue = TRUE;
 567                                  while ((-1==(ret = read(gPollInfo.fds[i].fd, buf, 64)))&&(EINTR == errno));
 568                                  if(ret < 0)
 569                                  {
 570                                     DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("mainLoop => read() failed"), DLT_STRING(strerror(errno)) );
 571                                  }
 572                                  else
 573                                  {
 574                                     pthread_mutex_lock(&gMainLoopMtx);
 575                                     switch (buf[0])
 576                                     {
 577                                        case CMD_PAS_BLOCK_AND_WRITE_BACK:
 578                                           process_block_and_write_data_back((buf[2]), buf[1]);
 579                                           break;
 580                                        case CMD_LC_PREPARE_SHUTDOWN:
 581                                           process_prepare_shutdown((buf[2]), buf[1]);
 582                                           break;
 583                                        case CMD_SEND_NOTIFY_SIGNAL:
 584                                           process_send_notification_signal(conn);
 585                                           break;
 586                                        case CMD_REG_NOTIFY_SIGNAL:
 587                                           process_reg_notification_signal(conn);
 588                                           break;
 589                                        case CMD_SEND_PAS_REQUEST:
 590                                           process_send_pas_request(conn, (buf[2]), buf[1]);
 591                                           break;
 592                                        case CMD_SEND_PAS_REGISTER:
 593                                           process_send_pas_register(conn, (buf[1]), buf[2]);
 594                                           break;
 595                                        case CMD_SEND_LC_REQUEST:
 596                                           process_send_lifecycle_request(conn, (buf[2]), buf[1]);
 597                                           break;
 598                                        case CMD_SEND_LC_REGISTER:
 599                                           process_send_lifecycle_register(conn, (buf[1]), buf[2]);
 600                                           break;
 601                                        case CMD_QUIT:
 602                                           bContinue = FALSE;
 603                                           break;
 604                                        default:
 605                                           DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("mainLoop => command not handled"), DLT_INT(buf[0]) );
 606                                           break;
 607                                     }
 608                                     pthread_cond_signal(&gMainLoopCond);
 609                                     pthread_mutex_unlock(&gMainLoopMtx);
 610                                  }
 611                               }
 612                            }
 613                            else
 614                            {
 615                               int flags = 0;
 616                               if (0!=(gPollInfo.fds[i].revents & POLLIN))
 617                               {
 618                                  flags |= DBUS_WATCH_READABLE;
 619                               }
 620                               if (0!=(gPollInfo.fds[i].revents & POLLOUT))
 621                               {
 622                                  flags |= DBUS_WATCH_WRITABLE;
 623                               }
 624                               if (0!=(gPollInfo.fds[i].revents & POLLERR))
 625                               {
 626                                  flags |= DBUS_WATCH_ERROR;
 627                               }
 628                               if (0!=(gPollInfo.fds[i].revents & POLLHUP))
 629                               {
 630                                  flags |= DBUS_WATCH_HANGUP;
 631                               }
 632
 633                               bContinue = dbus_watch_handle(gPollInfo.objects[i].watch, flags);
 634                            }
 635                         }
 636                      }
 637                   }
 638                }
 639                while (0!=bContinue);
 640             }
 641             dbus_connection_unregister_object_path(conn, "/org/genivi/persistence/adminconsumer");
 642             dbus_connection_unregister_object_path(conn, "/org/genivi/NodeStateManager/LifeCycleConsumer");
 643             dbus_connection_unregister_object_path(conn, "/");
 644          }
 645          close(gEfds);
 646       }
 647       dbus_connection_close(conn);
 648       dbus_connection_unref(conn);
 649       dbus_shutdown();
 650    }
 651
 652    pthread_cond_signal(&gDbusInitializedCond);
 653    pthread_mutex_unlock(&gDbusInitializedMtx);
 654    return 0;
 655 }
 656
 657
 658
 659 int deliverToMainloop(tCmd mainloopCmd, unsigned int param1, unsigned int param2)
 660 {
 661    int rval = 0;
 662    uint64_t cmd;
 663    uint16_t* cmd_chk;
 664
 665    pthread_mutex_lock(&gMainLoopMtx);
 666
 667    cmd = ( ((uint64_t)param2 << 32) | ((uint64_t)param1 << 16) | mainloopCmd);
 668
 669    if(-1 == write(gEfds, &cmd, (sizeof(uint64_t))))
 670    {
 671      DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("deliverToMainloop => failed to write to pipe"), DLT_INT(errno));
 672      rval = -1;
 673    }
 674
 675    // wait for condition variable
 676    pthread_cond_wait(&gMainLoopCond, &gMainLoopMtx);
 677    pthread_mutex_unlock(&gMainLoopMtx);
 678
 679    return rval;
 680 }
 681