resource/csdk/connectivity/src/cainterfacecontroller.c

   1 /******************************************************************
   2  *
   3  * Copyright 2014 Samsung Electronics All Rights Reserved.
   4  *
   5  *
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  ******************************************************************/
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <inttypes.h>
  25
  26 #include "logger.h"
  27 #include "oic_malloc.h"
  28 #include "caadapterutils.h"
  29 #include "canetworkconfigurator.h"
  30 #include "cainterfacecontroller.h"
  31 #include "caedradapter.h"
  32 #include "caleadapter.h"
  33 #include "canfcadapter.h"
  34 #include "caremotehandler.h"
  35 #include "cathreadpool.h"
  36 #include "caipadapter.h"
  37 #include "cainterface.h"
  38
  39 #ifdef RA_ADAPTER
  40 #include "caraadapter.h"
  41 #endif
  42
  43 #ifdef TCP_ADAPTER
  44 #include "catcpadapter.h"
  45 #endif
  46
  47 #define TAG "OIC_CA_INF_CTR"
  48
  49 #define CA_MEMORY_ALLOC_CHECK(arg) {if (arg == NULL) \
  50     {OIC_LOG(ERROR, TAG, "memory error");goto memory_error_exit;} }
  51
  52 static CAConnectivityHandler_t *g_adapterHandler = NULL;
  53
  54 static uint32_t g_numberOfAdapters = 0;
  55
  56 static CANetworkPacketReceivedCallback g_networkPacketReceivedCallback = NULL;
  57
  58 static CAAdapterChangeCallback g_adapterChangeCallback = NULL;
  59
  60 static CAConnectionChangeCallback g_connChangeCallback = NULL;
  61
  62 static CAErrorHandleCallback g_errorHandleCallback = NULL;
  63
  64 static int CAGetAdapterIndex(CATransportAdapter_t cType)
  65 {
  66     for (uint32_t index=0 ; index < g_numberOfAdapters ; index++)
  67     {
  68         if (cType == g_adapterHandler[index].cType )
  69          {
  70              return index;
  71          }
  72     }
  73     return -1;
  74 }
  75
  76 static void CARegisterCallback(CAConnectivityHandler_t handler)
  77 {
  78     if(handler.startAdapter == NULL ||
  79         handler.startListenServer == NULL ||
  80         handler.stopListenServer == NULL ||
  81         handler.startDiscoveryServer == NULL ||
  82         handler.sendData == NULL ||
  83         handler.sendDataToAll == NULL ||
  84         handler.GetnetInfo == NULL ||
  85         handler.readData == NULL ||
  86         handler.stopAdapter == NULL ||
  87         handler.terminate == NULL)
  88     {
  89         OIC_LOG(ERROR, TAG, "connectivity handler is not enough to be used!");
  90         return;
  91     }
  92     uint32_t numberofAdapters = g_numberOfAdapters + 1;
  93     CAConnectivityHandler_t *adapterHandler = OICRealloc(g_adapterHandler,
  94                                    (numberofAdapters) * sizeof(*adapterHandler));
  95     if (NULL == adapterHandler)
  96     {
  97         OIC_LOG(ERROR, TAG, "Memory allocation failed during registration");
  98         return;
  99     }
 100     g_adapterHandler = adapterHandler;
 101     g_numberOfAdapters = numberofAdapters;
 102     g_adapterHandler[g_numberOfAdapters-1] = handler;
 103
 104     OIC_LOG_V(DEBUG, TAG, "%d type adapter, register complete!", handler.cType);
 105 }
 106
 107 #ifdef RA_ADAPTER
 108 CAResult_t CASetAdapterRAInfo(const CARAInfo_t *caraInfo)
 109 {
 110     return CASetRAInfo(caraInfo);
 111 }
 112 #endif
 113
 114 static void CAReceivedPacketCallback(const CASecureEndpoint_t *sep,
 115                                      const void *data, uint32_t dataLen)
 116 {
 117     if (g_networkPacketReceivedCallback != NULL)
 118     {
 119         g_networkPacketReceivedCallback(sep, data, dataLen);
 120     }
 121     else
 122     {
 123         OIC_LOG(ERROR, TAG, "network packet received callback is NULL!");
 124     }
 125 }
 126
 127 static void CAAdapterChangedCallback(CATransportAdapter_t adapter, CANetworkStatus_t status)
 128 {
 129     // Call the callback.
 130     if (g_adapterChangeCallback != NULL)
 131     {
 132         g_adapterChangeCallback(adapter, status);
 133     }
 134     OIC_LOG_V(DEBUG, TAG, "[%d]adapter status is changed to [%d]", adapter, status);
 135 }
 136
 137 static void CAConnectionChangedCallback(const CAEndpoint_t *info, bool isConnected)
 138 {
 139     // Call the callback.
 140     if (g_connChangeCallback != NULL)
 141     {
 142         g_connChangeCallback(info, isConnected);
 143     }
 144     OIC_LOG_V(DEBUG, TAG, "[%s] connection status is changed to [%d]", info->addr, isConnected);
 145 }
 146
 147 static void CAAdapterErrorHandleCallback(const CAEndpoint_t *endpoint,
 148                                          const void *data, uint32_t dataLen,
 149                                          CAResult_t result)
 150 {
 151     OIC_LOG(DEBUG, TAG, "received error from adapter in interfacecontroller");
 152
 153     // Call the callback.
 154     if (g_errorHandleCallback != NULL)
 155     {
 156         g_errorHandleCallback(endpoint, data, dataLen, result);
 157     }
 158 }
 159
 160 void CAInitializeAdapters(ca_thread_pool_t handle)
 161 {
 162     OIC_LOG(DEBUG, TAG, "initialize adapters..");
 163
 164     // Initialize adapters and register callback.
 165 #ifdef IP_ADAPTER
 166     CAInitializeIP(CARegisterCallback, CAReceivedPacketCallback, CAAdapterChangedCallback,
 167                    CAAdapterErrorHandleCallback, handle);
 168 #endif /* IP_ADAPTER */
 169
 170 #ifdef EDR_ADAPTER
 171     CAInitializeEDR(CARegisterCallback, CAReceivedPacketCallback, CAAdapterChangedCallback,
 172                     CAConnectionChangedCallback, CAAdapterErrorHandleCallback, handle);
 173 #endif /* EDR_ADAPTER */
 174
 175 #ifdef LE_ADAPTER
 176     CAInitializeLE(CARegisterCallback, CAReceivedPacketCallback, CAAdapterChangedCallback,
 177                    CAConnectionChangedCallback, CAAdapterErrorHandleCallback, handle);
 178 #endif /* LE_ADAPTER */
 179
 180 #ifdef RA_ADAPTER
 181     CAInitializeRA(CARegisterCallback, CAReceivedPacketCallback, CAAdapterChangedCallback,
 182                    handle);
 183 #endif /* RA_ADAPTER */
 184
 185 #ifdef TCP_ADAPTER
 186     CAInitializeTCP(CARegisterCallback, CAReceivedPacketCallback, CAAdapterChangedCallback,
 187                     CAConnectionChangedCallback, CAAdapterErrorHandleCallback, handle);
 188 #endif /* TCP_ADAPTER */
 189
 190 #ifdef NFC_ADAPTER
 191     CAInitializeNFC(CARegisterCallback, CAReceivedPacketCallback, CAAdapterChangedCallback,
 192                     CAAdapterErrorHandleCallback, handle);
 193 #endif /* NFC_ADAPTER */
 194 }
 195
 196 void CASetPacketReceivedCallback(CANetworkPacketReceivedCallback callback)
 197 {
 198     OIC_LOG(DEBUG, TAG, "Set Receiver handle callback");
 199
 200     g_networkPacketReceivedCallback = callback;
 201 }
 202
 203 void CASetNetworkMonitorCallbacks(CAAdapterChangeCallback adapterCB,
 204                                   CAConnectionChangeCallback connCB)
 205 {
 206     OIC_LOG(DEBUG, TAG, "Set network monitoring callback");
 207
 208     g_adapterChangeCallback = adapterCB;
 209     g_connChangeCallback = connCB;
 210 }
 211
 212 void CASetErrorHandleCallback(CAErrorHandleCallback errorCallback)
 213 {
 214     OIC_LOG(DEBUG, TAG, "Set error handle callback");
 215     g_errorHandleCallback = errorCallback;
 216 }
 217
 218 CAResult_t CAStartAdapter(CATransportAdapter_t transportType)
 219 {
 220     OIC_LOG_V(DEBUG, TAG, "Start the adapter of CAConnectivityType[%d]", transportType);
 221
 222     int index = CAGetAdapterIndex(transportType);
 223     if (0 > index)
 224     {
 225         OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 226         return CA_STATUS_FAILED;
 227     }
 228
 229     CAResult_t res = CA_STATUS_FAILED;
 230     if (g_adapterHandler[index].startAdapter != NULL)
 231     {
 232         res = g_adapterHandler[index].startAdapter();
 233     }
 234
 235     return res;
 236 }
 237
 238 void CAStopAdapter(CATransportAdapter_t transportType)
 239 {
 240     OIC_LOG_V(DEBUG, TAG, "Stop the adapter of CATransportType[%d]", transportType);
 241
 242     int index = CAGetAdapterIndex(transportType);
 243     if (0 > index)
 244     {
 245         OIC_LOG(ERROR, TAG, "unknown transport type!");
 246         return;
 247     }
 248
 249     if (g_adapterHandler[index].stopAdapter != NULL)
 250     {
 251         g_adapterHandler[index].stopAdapter();
 252     }
 253 }
 254
 255 CAResult_t CAGetNetworkInfo(CAEndpoint_t **info, uint32_t *size)
 256 {
 257     if (info == NULL || size == NULL)
 258     {
 259         return CA_STATUS_INVALID_PARAM;
 260     }
 261
 262     CAEndpoint_t **tempInfo = (CAEndpoint_t**) OICCalloc(g_numberOfAdapters, sizeof(*tempInfo));
 263     if (!tempInfo)
 264     {
 265         OIC_LOG(ERROR, TAG, "Out of memory!");
 266         return CA_MEMORY_ALLOC_FAILED;
 267     }
 268     uint32_t *tempSize =(uint32_t*) OICCalloc(g_numberOfAdapters, sizeof(*tempSize));
 269     if (!tempSize)
 270     {
 271         OIC_LOG(ERROR, TAG, "Out of memory!");
 272         OICFree(tempInfo);
 273         return CA_MEMORY_ALLOC_FAILED;
 274     }
 275
 276     CAResult_t res = CA_STATUS_FAILED;
 277     size_t resSize = 0;
 278     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 279     {
 280         if (g_adapterHandler[index].GetnetInfo != NULL)
 281         {
 282             // #1. get information for each adapter
 283             res = g_adapterHandler[index].GetnetInfo(&tempInfo[index],
 284                                                      &tempSize[index]);
 285
 286             // #2. total size
 287             if (res == CA_STATUS_OK)
 288             {
 289                 resSize += tempSize[index];
 290             }
 291
 292             OIC_LOG_V(DEBUG,
 293                       TAG,
 294                       "%zu adapter network info size is %" PRIu32 " res:%d",
 295                       index,
 296                       tempSize[index],
 297                       res);
 298         }
 299     }
 300
 301     OIC_LOG_V(DEBUG, TAG, "network info total size is %zu!", resSize);
 302
 303     if (resSize == 0)
 304     {
 305         OICFree(tempInfo);
 306         OICFree(tempSize);
 307         if (res == CA_ADAPTER_NOT_ENABLED || res == CA_NOT_SUPPORTED)
 308         {
 309             return res;
 310         }
 311         return CA_STATUS_FAILED;
 312     }
 313
 314     // #3. add data into result
 315     // memory allocation
 316     CAEndpoint_t *resInfo = (CAEndpoint_t *) OICCalloc(resSize, sizeof (*resInfo));
 317     CA_MEMORY_ALLOC_CHECK(resInfo);
 318
 319     // #4. save data
 320     *info = resInfo;
 321     *size = resSize;
 322
 323     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 324     {
 325         // check information
 326         if (tempSize[index] == 0)
 327         {
 328             continue;
 329         }
 330
 331         memcpy(resInfo,
 332                tempInfo[index],
 333                sizeof(*resInfo) * tempSize[index]);
 334
 335         resInfo += tempSize[index];
 336
 337         // free adapter data
 338         OICFree(tempInfo[index]);
 339         tempInfo[index] = NULL;
 340     }
 341     OICFree(tempInfo);
 342     OICFree(tempSize);
 343
 344     OIC_LOG(DEBUG, TAG, "each network info save success!");
 345     return CA_STATUS_OK;
 346
 347     // memory error label.
 348 memory_error_exit:
 349
 350     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 351     {
 352         OICFree(tempInfo[index]);
 353         tempInfo[index] = NULL;
 354     }
 355     OICFree(tempInfo);
 356     OICFree(tempSize);
 357
 358     return CA_MEMORY_ALLOC_FAILED;
 359 }
 360
 361 CAResult_t CASendUnicastData(const CAEndpoint_t *endpoint, const void *data, uint32_t length)
 362 {
 363     if (endpoint == NULL)
 364     {
 365         OIC_LOG(DEBUG, TAG, "Invalid endpoint");
 366         return CA_STATUS_INVALID_PARAM;
 367     }
 368
 369
 370     u_arraylist_t *list = CAGetSelectedNetworkList();
 371     if (!list)
 372     {
 373         OIC_LOG(ERROR, TAG, "No selected network");
 374         return CA_SEND_FAILED;
 375     }
 376     CATransportAdapter_t requestedAdapter = endpoint->adapter ? endpoint->adapter : CA_ALL_ADAPTERS;
 377
 378     for (uint32_t i = 0; i < u_arraylist_length(list); i++)
 379     {
 380         void* ptrType = u_arraylist_get(list, i);
 381
 382         if (NULL == ptrType)
 383         {
 384             continue;
 385         }
 386
 387         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 388         if (0 == (connType & requestedAdapter))
 389         {
 390             continue;
 391         }
 392
 393         int index = CAGetAdapterIndex(connType);
 394
 395         if (-1 == index)
 396         {
 397             OIC_LOG(ERROR, TAG, "unknown transport type!");
 398             return CA_STATUS_INVALID_PARAM;
 399         }
 400
 401         int32_t sentDataLen = 0;
 402
 403         if (NULL != g_adapterHandler[index].sendData)
 404         {
 405             OIC_LOG(DEBUG, TAG, "unicast message to adapter");
 406             sentDataLen = g_adapterHandler[index].sendData(endpoint, data, length);
 407         }
 408
 409         if (sentDataLen != (int32_t)length)
 410         {
 411             OIC_LOG(ERROR, TAG, "error in sending data. Error will be reported in adapter");
 412 #ifdef SINGLE_THREAD
 413             //in case of single thread, no error handler. Report error immediately
 414             return CA_SEND_FAILED;
 415 #endif
 416         }
 417
 418     }
 419
 420     return CA_STATUS_OK;
 421 }
 422
 423 CAResult_t CASendMulticastData(const CAEndpoint_t *endpoint, const void *data, uint32_t length)
 424 {
 425     u_arraylist_t *list = CAGetSelectedNetworkList();
 426     if (!list)
 427     {
 428         OIC_LOG(DEBUG, TAG, "No selected network");
 429         return CA_SEND_FAILED;
 430     }
 431
 432     CATransportAdapter_t requestedAdapter = endpoint->adapter ? endpoint->adapter : CA_ALL_ADAPTERS;
 433     size_t selectedLength = u_arraylist_length(list);
 434     for (size_t i = 0; i < selectedLength; i++)
 435     {
 436         void* ptrType = u_arraylist_get(list, i);
 437
 438         if(NULL == ptrType)
 439         {
 440             continue;
 441         }
 442
 443         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 444         if (0 == (connType & requestedAdapter))
 445         {
 446             continue;
 447         }
 448
 449         int index = CAGetAdapterIndex(connType);
 450         if (0 > index)
 451         if (-1 == index)
 452         {
 453             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 454             continue;
 455         }
 456
 457         uint32_t sentDataLen = 0;
 458
 459         if (NULL != g_adapterHandler[index].sendDataToAll)
 460         {
 461             void *payload = (void *) OICMalloc(length);
 462             if (!payload)
 463             {
 464                 OIC_LOG(ERROR, TAG, "Out of memory!");
 465                 return CA_MEMORY_ALLOC_FAILED;
 466             }
 467             memcpy(payload, data, length);
 468             sentDataLen = g_adapterHandler[index].sendDataToAll(endpoint, payload, length);
 469             OICFree(payload);
 470         }
 471
 472         if (sentDataLen != length)
 473         {
 474             OIC_LOG(ERROR, TAG, "sendDataToAll failed! Error will be reported from adapter");
 475 #ifdef SINGLE_THREAD
 476             //in case of single thread, no error handler. Report error immediately
 477             return CA_SEND_FAILED;
 478 #endif
 479         }
 480     }
 481
 482     return CA_STATUS_OK;
 483 }
 484
 485 CAResult_t CAStartListeningServerAdapters()
 486 {
 487     CAResult_t result = CA_STATUS_FAILED;
 488
 489     u_arraylist_t *list = CAGetSelectedNetworkList();
 490     if (!list)
 491     {
 492         OIC_LOG(ERROR, TAG, "No selected network");
 493         return result;
 494     }
 495
 496     size_t length = u_arraylist_length(list);
 497     for (size_t i = 0; i < length; i++)
 498     {
 499         void* ptrType = u_arraylist_get(list, i);
 500
 501         if(ptrType == NULL)
 502         {
 503             continue;
 504         }
 505
 506         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 507
 508         int index = CAGetAdapterIndex(connType);
 509         if (0 > index)
 510         {
 511             OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 512             continue;
 513         }
 514
 515         if (g_adapterHandler[index].startListenServer != NULL)
 516         {
 517             const CAResult_t tmp =
 518                 g_adapterHandler[index].startListenServer();
 519
 520             // Successful listen if at least one adapter started.
 521             if (CA_STATUS_OK == tmp)
 522             {
 523                 result = tmp;
 524             }
 525         }
 526     }
 527
 528     return result;
 529 }
 530
 531 CAResult_t CAStopListeningServerAdapters()
 532 {
 533     u_arraylist_t *list = CAGetSelectedNetworkList();
 534     if (!list)
 535     {
 536         OIC_LOG(ERROR, TAG, "No selected network");
 537         return CA_STATUS_FAILED;
 538     }
 539
 540     size_t length = u_arraylist_length(list);
 541     for (size_t i = 0; i < length; i++)
 542     {
 543         void* ptrType = u_arraylist_get(list, i);
 544         if(ptrType == NULL)
 545         {
 546             continue;
 547         }
 548
 549         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 550
 551         int index = CAGetAdapterIndex(connType);
 552         if (0 > index)
 553         {
 554             OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 555             continue;
 556         }
 557
 558         if (g_adapterHandler[index].stopListenServer != NULL)
 559         {
 560             g_adapterHandler[index].stopListenServer();
 561         }
 562     }
 563
 564     return CA_STATUS_OK;
 565 }
 566
 567 CAResult_t CAStartDiscoveryServerAdapters()
 568 {
 569     CAResult_t result = CA_STATUS_FAILED;
 570
 571     u_arraylist_t *list = CAGetSelectedNetworkList();
 572
 573     if (!list)
 574     {
 575         OIC_LOG(ERROR, TAG, "No selected network");
 576         return result;
 577     }
 578
 579     size_t length = u_arraylist_length(list);
 580     for (size_t i = 0; i < length; i++)
 581     {
 582         void* ptrType = u_arraylist_get(list, i);
 583
 584         if(ptrType == NULL)
 585         {
 586             continue;
 587         }
 588
 589         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 590
 591         int index = CAGetAdapterIndex(connType);
 592         if (0 > index)
 593         {
 594             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 595             continue;
 596         }
 597
 598         if (g_adapterHandler[index].startDiscoveryServer != NULL)
 599         {
 600             const CAResult_t tmp =
 601                 g_adapterHandler[index].startDiscoveryServer();
 602
 603             // Successful discovery if at least one adapter started.
 604             if (CA_STATUS_OK == tmp)
 605             {
 606                 result = tmp;
 607             }
 608         }
 609     }
 610
 611     return result;
 612 }
 613
 614 void CATerminateAdapters()
 615 {
 616     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 617     {
 618         if (g_adapterHandler[index].terminate != NULL)
 619         {
 620             g_adapterHandler[index].terminate();
 621         }
 622     }
 623
 624     OICFree(g_adapterHandler);
 625     g_adapterHandler = NULL;
 626     g_numberOfAdapters = 0;
 627 }
 628
 629 #ifdef SINGLE_THREAD
 630 CAResult_t CAReadData()
 631 {
 632     u_arraylist_t *list = CAGetSelectedNetworkList();
 633
 634     if (!list)
 635     {
 636         return CA_STATUS_FAILED;
 637     }
 638
 639     uint8_t i = 0;
 640     for (i = 0; i < u_arraylist_length(list); i++)
 641     {
 642         void *ptrType = u_arraylist_get(list, i);
 643         if (NULL == ptrType)
 644         {
 645             OIC_LOG(ERROR, TAG, "get list fail");
 646             return CA_STATUS_FAILED;
 647         }
 648
 649         CATransportAdapter_t connType = *(CATransportAdapter_t *) ptrType;
 650
 651         int index = CAGetAdapterIndex(connType);
 652         if (0 > index)
 653         {
 654             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 655             continue;
 656         }
 657
 658         if (g_adapterHandler[index].readData != NULL)
 659         {
 660             g_adapterHandler[index].readData();
 661         }
 662     }
 663
 664     return CA_STATUS_OK;
 665 }
 666 #endif
 667