src/persistence_client_library_dbus_cmd.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_cmd.c
  13  * @ingroup        Persistence client library
  14  * @author         Ingo Huerner
  15  * @brief          Implementation of the persistence client library dbus commands.
  16  * @see
  17  */
  18
  19 #include "persistence_client_library_dbus_cmd.h"
  20
  21 #include "persistence_client_library_handle.h"
  22 #include "persistence_client_library_itzam_errors.h"
  23 #include "persistence_client_library_custom_loader.h"
  24 #include "persistence_client_library_prct_access.h"
  25
  26 #include "../include_protected/persistence_client_library_data_organization.h"
  27 #include "../include_protected/persistence_client_library_db_access.h"
  28
  29 #include <itzam.h>
  30
  31
  32 // function prototype
  33 void msg_pending_func(DBusPendingCall *call, void *data);
  34
  35
  36
  37 void process_reg_notification_signal(DBusConnection* conn)
  38 {
  39    char ruleChanged[DbusMatchRuleSize] = {0};
  40    char ruleDeleted[DbusMatchRuleSize] = {0};
  41    char ruleCreated[DbusMatchRuleSize] = {0};
  42
  43    // add match for  c h a n g e
  44    snprintf(ruleChanged, DbusMatchRuleSize,
  45             "type='signal',interface='org.genivi.persistence.adminconsumer',member='PersistenceResChange',path='/org/genivi/persistence/adminconsumer',arg0='%s',arg1='%u',arg2='%u',arg3='%u'",
  46             gNotifykey, gNotifyLdbid, gNotifyUserNo, gNotifySeatNo);
  47
  48    // add match for  d e l e t e
  49    snprintf(ruleDeleted, DbusMatchRuleSize,
  50             "type='signal',interface='org.genivi.persistence.adminconsumer',member='PersistenceResDelete',path='/org/genivi/persistence/adminconsumer',arg0='%s',arg1='%u',arg2='%u',arg3='%u'",
  51             gNotifykey, gNotifyLdbid, gNotifyUserNo, gNotifySeatNo);
  52
  53    // add match for  c r e a t e
  54    snprintf(ruleCreated, DbusMatchRuleSize,
  55             "type='signal',interface='org.genivi.persistence.adminconsumer',member='PersistenceResCreate',path='/org/genivi/persistence/adminconsumer',arg0='%s',arg1='%u',arg2='%u',arg3='%u'",
  56             gNotifykey, gNotifyLdbid, gNotifyUserNo, gNotifySeatNo);
  57
  58    if(gNotifyPolicy == Notify_register)
  59    {
  60       dbus_bus_add_match(conn, ruleChanged, NULL);
  61       dbus_bus_add_match(conn, ruleDeleted, NULL);
  62       dbus_bus_add_match(conn, ruleCreated, NULL);
  63    }
  64    else if(gNotifyPolicy == Notify_unregister)
  65    {
  66       dbus_bus_remove_match(conn, ruleChanged, NULL);
  67       dbus_bus_remove_match(conn, ruleDeleted, NULL);
  68       dbus_bus_remove_match(conn, ruleCreated, NULL);
  69    }
  70
  71    dbus_connection_flush(conn);  // flush the connection to add the match
  72 }
  73
  74
  75
  76 void process_send_notification_signal(DBusConnection* conn)
  77 {
  78    dbus_bool_t ret;
  79    DBusMessage* message;
  80    const char* notifyReason = NULL;
  81
  82    char ldbidArray[DbusSubMatchSize] = {0};
  83    char userArray[DbusSubMatchSize]  = {0};
  84    char seatArray[DbusSubMatchSize]  = {0};
  85    char* pldbidArra = ldbidArray;
  86    char* puserArray = userArray;
  87    char* pseatArray = seatArray;
  88    char* pnotifyKey = gNotifykey;
  89
  90    switch(gNotifyReason)
  91    {
  92       case pclNotifyStatus_deleted:
  93          notifyReason = gDeleteSignal;
  94          break;
  95       case  pclNotifyStatus_created:
  96          notifyReason = gCreateSignal;
  97          break;
  98       case pclNotifyStatus_changed:
  99          notifyReason = gChangeSignal;
 100          break;
 101       default:
 102          notifyReason = NULL;
 103          break;
 104    }
 105
 106    if(notifyReason != NULL)
 107    {
 108       // dbus_bus_add_match is used for the notification mechanism,
 109       // and this works only for type DBUS_TYPE_STRING as message arguments
 110       // this is the reason to use string instead of integer types directly
 111       snprintf(ldbidArray, DbusSubMatchSize, "%u", gNotifyLdbid);
 112       snprintf(userArray,  DbusSubMatchSize, "%u", gNotifyUserNo);
 113       snprintf(seatArray,  DbusSubMatchSize, "%u", gNotifySeatNo);
 114
 115       //printf("process_send_Notification_Signal => key: %s | lbid: %d | gUserNo: %d | gSeatNo: %d | gReason: %d \n", gNotifykey, gLdbid, gUserNo, gSeatNo, gReason);
 116       message = dbus_message_new_signal("/org/genivi/persistence/adminconsumer",    // const char *path,
 117                                         "org.genivi.persistence.adminconsumer",     // const char *interface,
 118                                         notifyReason);                                 // const char *name
 119
 120       ret = dbus_message_append_args(message, DBUS_TYPE_STRING, &pnotifyKey,
 121                                               DBUS_TYPE_STRING, &pldbidArra,
 122                                               DBUS_TYPE_STRING, &puserArray,
 123                                               DBUS_TYPE_STRING, &pseatArray,
 124                                               DBUS_TYPE_INVALID);
 125       if(ret == TRUE)
 126       {
 127          // Send the signal
 128          if(conn != NULL)
 129          {
 130             if(dbus_connection_send(conn, message, 0) == TRUE)
 131             {
 132                // Free the signal now we have finished with it
 133                dbus_message_unref(message);
 134             }
 135             else
 136             {
 137                DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("process_send_Notification_Signal ==> failed to send dbus message!!"));
 138             }
 139          }
 140          else
 141          {
 142             DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("process_send_Notification_Signal ==> E R R O R  C O N E C T I O N  NULL!!"));
 143          }
 144       }
 145       else
 146       {
 147          DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("process_send_Notification_Signal ==> ERROR dbus_message_append_args"));
 148       }
 149    }
 150    else
 151    {
 152       DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("process_send_Notification_Signal ==> ERROR invalid notification reason"));
 153    }
 154 }
 155
 156
 157
 158 void process_block_and_write_data_back(unsigned int requestID, unsigned int status)
 159 {
 160    // lock persistence data access
 161    pers_lock_access();
 162    // sync data back to memory device
 163    pers_data_sync();
 164    // send complete notification
 165    //pers_admin_service_data_sync_complete(requestID, status);
 166 }
 167
 168
 169
 170 void process_prepare_shutdown(unsigned char requestId, unsigned int status)
 171 {
 172    int i = 0;
 173
 174    // block write
 175    pers_lock_access();
 176
 177    // flush open files to disk
 178    for(i=0; i<MaxPersHandle; i++)
 179    {
 180       int tmp = i;
 181       if(gOpenFdArray[tmp] == FileOpen)
 182       {
 183          fsync(tmp);
 184          close(tmp);
 185       }
 186    }
 187
 188    // close all opend rct
 189    pers_rct_close_all();
 190
 191    // close opend database
 192    pers_db_close_all();
 193
 194
 195    // unload custom client libraries
 196    for(i=0; i<PersCustomLib_LastEntry; i++)
 197    {
 198       if(gPersCustomFuncs[i].custom_plugin_deinit != NULL)
 199       {
 200          // deinitialize plugin
 201          gPersCustomFuncs[i].custom_plugin_deinit();
 202          // close library handle
 203          dlclose(gPersCustomFuncs[i].handle);
 204
 205          invalidate_custom_plugin(i);
 206       }
 207    }
 208 }
 209
 210
 211
 212 void process_send_pas_request(DBusConnection* conn, unsigned int requestID, int status)
 213 {
 214    DBusError error;
 215    dbus_error_init (&error);
 216    int rval = 0;
 217
 218    DBusMessage* message = dbus_message_new_method_call("org.genivi.persistence.admin",       // destination
 219                                                       "/org/genivi/persistence/admin",       // path
 220                                                        "org.genivi.persistence.admin",       // interface
 221                                                        "PersistenceAdminRequestCompleted");  // method
 222    if(conn != NULL)
 223    {
 224       if(message != NULL)
 225       {
 226          dbus_message_append_args(message, DBUS_TYPE_UINT32, &requestID,
 227                                            DBUS_TYPE_INT32,  &status,
 228                                            DBUS_TYPE_INVALID);
 229
 230          if(!dbus_connection_send(conn, message, 0))
 231          {
 232             DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_lifecycle_register => Access denied"), DLT_STRING(error.message) );
 233             rval = -1;
 234          }
 235
 236          dbus_connection_flush(conn);
 237          dbus_message_unref(message);
 238       }
 239       else
 240       {
 241          DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_pas_request => ERROR: Invalid message") );
 242       }
 243    }
 244    else
 245    {
 246       DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_pas_request => ERROR: Invalid connection") );
 247    }
 248 }
 249
 250
 251 void process_send_pas_register(DBusConnection* conn, int regType, int notificationFlag)
 252 {
 253    DBusError error;
 254    dbus_error_init (&error);
 255    DBusPendingCall* pending = NULL;
 256
 257    char* method = NULL;
 258
 259    if(regType == 0)
 260       method = "UnRegisterPersAdminNotification";
 261    else if(regType == 1)
 262       method = "RegisterPersAdminNotification";
 263
 264    if(conn != NULL)
 265    {
 266       const char* objName = "/org/genivi/persistence/adminconsumer";
 267       const char* busName = dbus_bus_get_unique_name(conn);
 268
 269       if(busName != NULL)
 270       {
 271          DBusMessage* message = dbus_message_new_method_call("org.genivi.persistence.admin",    // destination
 272                                                             "/org/genivi/persistence/admin",    // path
 273                                                              "org.genivi.persistence.admin",    // interface
 274                                                              method);                           // method
 275
 276          if(message != NULL)
 277          {
 278             dbus_message_append_args(message, DBUS_TYPE_STRING, &busName,  // bus name
 279                                               DBUS_TYPE_STRING, &objName,
 280                                               DBUS_TYPE_INT32,  &notificationFlag,
 281                                               DBUS_TYPE_UINT32, &gTimeoutMs,
 282                                               DBUS_TYPE_INVALID);
 283
 284             dbus_connection_send_with_reply(conn,           //    the connection
 285                                             message,        // the message to write
 286                                             &pending,       // pending
 287                                             gTimeoutMs);    // timeout in milliseconds or -1 for default
 288
 289             dbus_connection_flush(conn);
 290
 291             if(!dbus_pending_call_set_notify(pending, msg_pending_func, method, NULL))
 292             {
 293                DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("process_send_pas_register => dbus_pending_call_set_notify: FAILED\n") );
 294             }
 295             dbus_pending_call_unref(pending);
 296          }
 297          else
 298          {
 299             DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_pas_register =>  ERROR: Invalid message") );
 300          }
 301          dbus_message_unref(message);
 302       }
 303       else
 304       {
 305          DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_pas_register =>  ERROR: Invalid busname") );
 306       }
 307    }
 308    else
 309    {
 310       DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_pas_register =>  ERROR: Invalid connection") );
 311    }
 312 }
 313
 314
 315 void process_send_lifecycle_register(DBusConnection* conn, int regType, int shutdownMode)
 316 {
 317    int rval = 0;
 318
 319    DBusError error;
 320    dbus_error_init (&error);
 321
 322    char* method = NULL;
 323
 324    if(regType == 1)
 325       method = "RegisterShutdownClient";
 326    else if(regType == 0)
 327       method = "UnRegisterShutdownClient";
 328
 329    if(conn != NULL)
 330    {
 331       const char* objName = "/org/genivi/NodeStateManager/LifeCycleConsumer";
 332       const char* busName = dbus_bus_get_unique_name(conn);
 333
 334       DBusMessage* message = dbus_message_new_method_call("org.genivi.NodeStateManager",           // destination
 335                                                           "/org/genivi/NodeStateManager/Consumer", // path
 336                                                           "org.genivi.NodeStateManager.Consumer",  // interface
 337                                                           method);                                 // method
 338       if(message != NULL)
 339       {
 340          if(regType == 1)   // register
 341          {
 342             dbus_message_append_args(message, DBUS_TYPE_STRING, &busName,
 343                                               DBUS_TYPE_STRING, &objName,
 344                                               DBUS_TYPE_UINT32, &shutdownMode,
 345                                               DBUS_TYPE_UINT32, &gTimeoutMs, DBUS_TYPE_INVALID);
 346          }
 347          else           // unregister
 348          {
 349             dbus_message_append_args(message, DBUS_TYPE_STRING, &busName,
 350                                               DBUS_TYPE_STRING, &objName,
 351                                               DBUS_TYPE_UINT32, &shutdownMode, DBUS_TYPE_INVALID);
 352          }
 353
 354                    if(!dbus_connection_send(conn, message, 0))
 355                    {
 356                       DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_lifecycle_register => Access denied"), DLT_STRING(error.message) );
 357                       rval = -1;
 358                    }
 359                    dbus_connection_flush(conn);
 360          dbus_message_unref(message);
 361       }
 362       else
 363       {
 364          DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_lifecycle_register => ERROR: Invalid message"));
 365       }
 366    }
 367    else
 368    {
 369       DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_lifecycle_register => ERROR: connection isn NULL"));
 370    }
 371 }
 372
 373
 374
 375 void process_send_lifecycle_request(DBusConnection* conn, int requestId, int status)
 376 {
 377    int rval = 0;
 378    DBusError error;
 379    dbus_error_init (&error);
 380
 381    if(conn != NULL)
 382    {
 383       DBusMessage* message = dbus_message_new_method_call("org.genivi.NodeStateManager",           // destination
 384                                                          "/org/genivi/NodeStateManager/Consumer",  // path
 385                                                           "org.genivi.NodeStateManager.Consumer",  // interface
 386                                                           "LifecycleRequestComplete");             // method
 387       if(message != NULL)
 388       {
 389          dbus_message_append_args(message, DBUS_TYPE_INT32, &requestId,
 390                                            DBUS_TYPE_INT32, &status,
 391                                            DBUS_TYPE_INVALID);
 392
 393
 394          if(!dbus_connection_send(conn, message, 0))
 395          {
 396             DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_lifecycle_request => Access denied"), DLT_STRING(error.message) );
 397             rval = -1;
 398           }
 399
 400           dbus_connection_flush(conn);
 401           dbus_message_unref(message);
 402       }
 403       else
 404       {
 405          DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_lifecycle_request => ERROR: Invalid message"));
 406          rval = -1;
 407       }
 408    }
 409    else
 410    {
 411       DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("send_lifecycle_request => ERROR: connection isn NULL"));
 412       rval = -1;
 413    }
 414 }
 415
 416
 417
 418 void msg_pending_func(DBusPendingCall *call, void *data)
 419 {
 420    int replyArg = -1;
 421    DBusError err;
 422    dbus_error_init(&err);
 423
 424    DBusMessage *message = dbus_pending_call_steal_reply(call);
 425
 426    if (dbus_set_error_from_message(&err, message))
 427    {
 428       DLT_LOG(gDLTContext, DLT_LOG_ERROR, DLT_STRING("msg_pending_func ==> Access denied") );
 429    }
 430    else
 431    {
 432       //DLT_LOG(gDLTContext, DLT_LOG_INFO, DLT_STRING("msg_pending_func ==> UNlock mutex") );
 433       dbus_message_get_args(message, &err, DBUS_TYPE_INT32, &replyArg, DBUS_TYPE_INVALID);
 434    }
 435
 436    gDbusPendingRvalue = replyArg;   // set the return value
 437    dbus_message_unref(message);
 438
 439    // unlock the mutex because we have received the reply to the dbus message
 440    pthread_mutex_unlock(&gDbusPendingRegMtx);
 441 }
 442
 443
 444
 445