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         else
 312         {
 313             return CA_STATUS_FAILED;
 314         }
 315     }
 316
 317     // #3. add data into result
 318     // memory allocation
 319     CAEndpoint_t *resInfo = (CAEndpoint_t *) OICCalloc(resSize, sizeof (*resInfo));
 320     CA_MEMORY_ALLOC_CHECK(resInfo);
 321
 322     // #4. save data
 323     *info = resInfo;
 324     *size = resSize;
 325
 326     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 327     {
 328         // check information
 329         if (tempSize[index] == 0)
 330         {
 331             continue;
 332         }
 333
 334         memcpy(resInfo,
 335                tempInfo[index],
 336                sizeof(*resInfo) * tempSize[index]);
 337
 338         resInfo += tempSize[index];
 339
 340         // free adapter data
 341         OICFree(tempInfo[index]);
 342         tempInfo[index] = NULL;
 343     }
 344     OICFree(tempInfo);
 345     OICFree(tempSize);
 346
 347     OIC_LOG(DEBUG, TAG, "each network info save success!");
 348     return CA_STATUS_OK;
 349
 350     // memory error label.
 351 memory_error_exit:
 352
 353     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 354     {
 355         OICFree(tempInfo[index]);
 356         tempInfo[index] = NULL;
 357     }
 358     OICFree(tempInfo);
 359     OICFree(tempSize);
 360
 361     return CA_MEMORY_ALLOC_FAILED;
 362 }
 363
 364 CAResult_t CASendUnicastData(const CAEndpoint_t *endpoint, const void *data, uint32_t length)
 365 {
 366     if (endpoint == NULL)
 367     {
 368         OIC_LOG(DEBUG, TAG, "Invalid endpoint");
 369         return CA_STATUS_INVALID_PARAM;
 370     }
 371
 372
 373     u_arraylist_t *list = CAGetSelectedNetworkList();
 374     if (!list)
 375     {
 376         OIC_LOG(ERROR, TAG, "No selected network");
 377         return CA_SEND_FAILED;
 378     }
 379     CATransportAdapter_t requestedAdapter = endpoint->adapter ? endpoint->adapter : CA_ALL_ADAPTERS;
 380
 381     for (uint32_t i = 0; i < u_arraylist_length(list); i++)
 382     {
 383         void* ptrType = u_arraylist_get(list, i);
 384
 385         if (NULL == ptrType)
 386         {
 387             continue;
 388         }
 389
 390         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 391         if (0 == (connType & requestedAdapter))
 392         {
 393             continue;
 394         }
 395
 396         int index = CAGetAdapterIndex(connType);
 397
 398         if (-1 == index)
 399         {
 400             OIC_LOG(ERROR, TAG, "unknown transport type!");
 401             return CA_STATUS_INVALID_PARAM;
 402         }
 403
 404         int32_t sentDataLen = 0;
 405
 406         if (NULL != g_adapterHandler[index].sendData)
 407         {
 408             OIC_LOG(DEBUG, TAG, "unicast message to adapter");
 409             sentDataLen = g_adapterHandler[index].sendData(endpoint, data, length);
 410         }
 411
 412         if (sentDataLen != (int32_t)length)
 413         {
 414             OIC_LOG(ERROR, TAG, "error in sending data. Error will be reported in adapter");
 415 #ifdef SINGLE_THREAD
 416             //in case of single thread, no error handler. Report error immediately
 417             return CA_SEND_FAILED;
 418 #endif
 419         }
 420
 421     }
 422
 423     return CA_STATUS_OK;
 424 }
 425
 426 CAResult_t CASendMulticastData(const CAEndpoint_t *endpoint, const void *data, uint32_t length)
 427 {
 428     u_arraylist_t *list = CAGetSelectedNetworkList();
 429     if (!list)
 430     {
 431         OIC_LOG(DEBUG, TAG, "No selected network");
 432         return CA_SEND_FAILED;
 433     }
 434
 435     CATransportAdapter_t requestedAdapter = endpoint->adapter ? endpoint->adapter : CA_ALL_ADAPTERS;
 436     size_t selectedLength = u_arraylist_length(list);
 437     for (size_t i = 0; i < selectedLength; i++)
 438     {
 439         void* ptrType = u_arraylist_get(list, i);
 440
 441         if (NULL == ptrType)
 442         {
 443             continue;
 444         }
 445
 446         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 447         if (0 == (connType & requestedAdapter))
 448         {
 449             continue;
 450         }
 451
 452         int index = CAGetAdapterIndex(connType);
 453         if (0 > index)
 454         {
 455             OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 456             continue;
 457         }
 458
 459         uint32_t sentDataLen = 0;
 460
 461         if (NULL != g_adapterHandler[index].sendDataToAll)
 462         {
 463             void *payload = (void *) OICMalloc(length);
 464             if (!payload)
 465             {
 466                 OIC_LOG(ERROR, TAG, "Out of memory!");
 467                 return CA_MEMORY_ALLOC_FAILED;
 468             }
 469             memcpy(payload, data, length);
 470             sentDataLen = g_adapterHandler[index].sendDataToAll(endpoint, payload, length);
 471             OICFree(payload);
 472         }
 473
 474         if (sentDataLen != length)
 475         {
 476             OIC_LOG(ERROR, TAG, "sendDataToAll failed! Error will be reported from adapter");
 477 #ifdef SINGLE_THREAD
 478             //in case of single thread, no error handler. Report error immediately
 479             return CA_SEND_FAILED;
 480 #endif
 481         }
 482     }
 483
 484     return CA_STATUS_OK;
 485 }
 486
 487 CAResult_t CAStartListeningServerAdapters()
 488 {
 489     CAResult_t result = CA_STATUS_FAILED;
 490
 491     u_arraylist_t *list = CAGetSelectedNetworkList();
 492     if (!list)
 493     {
 494         OIC_LOG(ERROR, TAG, "No selected network");
 495         return result;
 496     }
 497
 498     size_t length = u_arraylist_length(list);
 499     for (size_t i = 0; i < length; i++)
 500     {
 501         void* ptrType = u_arraylist_get(list, i);
 502
 503         if(ptrType == NULL)
 504         {
 505             continue;
 506         }
 507
 508         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 509
 510         int index = CAGetAdapterIndex(connType);
 511         if (0 > index)
 512         {
 513             OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 514             continue;
 515         }
 516
 517         if (g_adapterHandler[index].startListenServer != NULL)
 518         {
 519             const CAResult_t tmp =
 520                 g_adapterHandler[index].startListenServer();
 521
 522             // Successful listen if at least one adapter started.
 523             if (CA_STATUS_OK == tmp)
 524             {
 525                 result = tmp;
 526             }
 527         }
 528     }
 529
 530     return result;
 531 }
 532
 533 CAResult_t CAStopListeningServerAdapters()
 534 {
 535     u_arraylist_t *list = CAGetSelectedNetworkList();
 536     if (!list)
 537     {
 538         OIC_LOG(ERROR, TAG, "No selected network");
 539         return CA_STATUS_FAILED;
 540     }
 541
 542     size_t length = u_arraylist_length(list);
 543     for (size_t i = 0; i < length; i++)
 544     {
 545         void* ptrType = u_arraylist_get(list, i);
 546         if(ptrType == NULL)
 547         {
 548             continue;
 549         }
 550
 551         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 552
 553         int index = CAGetAdapterIndex(connType);
 554         if (0 > index)
 555         {
 556             OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 557             continue;
 558         }
 559
 560         if (g_adapterHandler[index].stopListenServer != NULL)
 561         {
 562             g_adapterHandler[index].stopListenServer();
 563         }
 564     }
 565
 566     return CA_STATUS_OK;
 567 }
 568
 569 CAResult_t CAStartDiscoveryServerAdapters()
 570 {
 571     CAResult_t result = CA_STATUS_FAILED;
 572
 573     u_arraylist_t *list = CAGetSelectedNetworkList();
 574
 575     if (!list)
 576     {
 577         OIC_LOG(ERROR, TAG, "No selected network");
 578         return result;
 579     }
 580
 581     size_t length = u_arraylist_length(list);
 582     for (size_t i = 0; i < length; i++)
 583     {
 584         void* ptrType = u_arraylist_get(list, i);
 585
 586         if(ptrType == NULL)
 587         {
 588             continue;
 589         }
 590
 591         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 592
 593         int index = CAGetAdapterIndex(connType);
 594         if (0 > index)
 595         {
 596             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 597             continue;
 598         }
 599
 600         if (g_adapterHandler[index].startDiscoveryServer != NULL)
 601         {
 602             const CAResult_t tmp =
 603                 g_adapterHandler[index].startDiscoveryServer();
 604
 605             // Successful discovery if at least one adapter started.
 606             if (CA_STATUS_OK == tmp)
 607             {
 608                 result = tmp;
 609             }
 610         }
 611     }
 612
 613     return result;
 614 }
 615
 616 void CATerminateAdapters()
 617 {
 618     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 619     {
 620         if (g_adapterHandler[index].terminate != NULL)
 621         {
 622             g_adapterHandler[index].terminate();
 623         }
 624     }
 625
 626     OICFree(g_adapterHandler);
 627     g_adapterHandler = NULL;
 628     g_numberOfAdapters = 0;
 629 }
 630
 631 #ifdef SINGLE_THREAD
 632 CAResult_t CAReadData()
 633 {
 634     u_arraylist_t *list = CAGetSelectedNetworkList();
 635
 636     if (!list)
 637     {
 638         return CA_STATUS_FAILED;
 639     }
 640
 641     uint8_t i = 0;
 642     for (i = 0; i < u_arraylist_length(list); i++)
 643     {
 644         void *ptrType = u_arraylist_get(list, i);
 645         if (NULL == ptrType)
 646         {
 647             OIC_LOG(ERROR, TAG, "get list fail");
 648             return CA_STATUS_FAILED;
 649         }
 650
 651         CATransportAdapter_t connType = *(CATransportAdapter_t *) ptrType;
 652
 653         int index = CAGetAdapterIndex(connType);
 654         if (0 > index)
 655         {
 656             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 657             continue;
 658         }
 659
 660         if (g_adapterHandler[index].readData != NULL)
 661         {
 662             g_adapterHandler[index].readData();
 663         }
 664     }
 665
 666     return CA_STATUS_OK;
 667 }
 668 #endif
 669