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
  53
  54 static CAConnectivityHandler_t *g_adapterHandler = NULL;
  55
  56 static uint32_t g_numberOfAdapters = 0;
  57
  58 static CANetworkPacketReceivedCallback g_networkPacketReceivedCallback = NULL;
  59
  60 static CANetworkChangeCallback g_networkChangeCallback = 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 CANetworkChangedCallback(const CAEndpoint_t *info, CANetworkStatus_t status)
 128 {
 129     // Call the callback.
 130     if (g_networkChangeCallback != NULL)
 131     {
 132         g_networkChangeCallback(info, status);
 133     }
 134 }
 135
 136 static void CAAdapterErrorHandleCallback(const CAEndpoint_t *endpoint,
 137                                          const void *data, uint32_t dataLen,
 138                                          CAResult_t result)
 139 {
 140     OIC_LOG(DEBUG, TAG, "received error from adapter in interfacecontroller");
 141
 142     // Call the callback.
 143     if (g_errorHandleCallback != NULL)
 144     {
 145         g_errorHandleCallback(endpoint, data, dataLen, result);
 146     }
 147 }
 148
 149 void CAInitializeAdapters(ca_thread_pool_t handle)
 150 {
 151     OIC_LOG(DEBUG, TAG, "initialize adapters..");
 152
 153     // Initialize adapters and register callback.
 154 #ifdef IP_ADAPTER
 155     CAInitializeIP(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 156                    CAAdapterErrorHandleCallback, handle);
 157 #endif /* IP_ADAPTER */
 158
 159 #ifdef EDR_ADAPTER
 160     CAInitializeEDR(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 161                     CAAdapterErrorHandleCallback, handle);
 162 #endif /* EDR_ADAPTER */
 163
 164 #ifdef LE_ADAPTER
 165     CAInitializeLE(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 166                    CAAdapterErrorHandleCallback, handle);
 167 #endif /* LE_ADAPTER */
 168
 169 #ifdef RA_ADAPTER
 170     CAInitializeRA(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 171                    handle);
 172 #endif /* RA_ADAPTER */
 173
 174 #ifdef TCP_ADAPTER
 175     CAInitializeTCP(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 176                     CAAdapterErrorHandleCallback, handle);
 177 #endif /* TCP_ADAPTER */
 178
 179 #ifdef NFC_ADAPTER
 180     CAInitializeNFC(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 181                     CAAdapterErrorHandleCallback, handle);
 182 #endif /* NFC_ADAPTER */
 183 }
 184
 185 void CASetPacketReceivedCallback(CANetworkPacketReceivedCallback callback)
 186 {
 187     OIC_LOG(DEBUG, TAG, "Set Receiver handle callback");
 188
 189     g_networkPacketReceivedCallback = callback;
 190 }
 191
 192 void CASetNetworkChangeCallback(CANetworkChangeCallback callback)
 193 {
 194     OIC_LOG(DEBUG, TAG, "Set network handle callback");
 195
 196     g_networkChangeCallback = callback;
 197 }
 198
 199 void CASetErrorHandleCallback(CAErrorHandleCallback errorCallback)
 200 {
 201     OIC_LOG(DEBUG, TAG, "Set error handle callback");
 202     g_errorHandleCallback = errorCallback;
 203 }
 204
 205 CAResult_t CAStartAdapter(CATransportAdapter_t transportType)
 206 {
 207     OIC_LOG_V(DEBUG, TAG, "Start the adapter of CAConnectivityType[%d]", transportType);
 208
 209     int index = CAGetAdapterIndex(transportType);
 210     if (0 > index)
 211     {
 212         OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 213         return CA_STATUS_FAILED;
 214     }
 215
 216     CAResult_t res = CA_STATUS_FAILED;
 217     if (g_adapterHandler[index].startAdapter != NULL)
 218     {
 219         res = g_adapterHandler[index].startAdapter();
 220     }
 221
 222     return res;
 223 }
 224
 225 void CAStopAdapter(CATransportAdapter_t transportType)
 226 {
 227     OIC_LOG_V(DEBUG, TAG, "Stop the adapter of CATransportType[%d]", transportType);
 228
 229     int index = CAGetAdapterIndex(transportType);
 230     if (0 > index)
 231     {
 232         OIC_LOG(ERROR, TAG, "unknown transport type!");
 233         return;
 234     }
 235
 236     if (g_adapterHandler[index].stopAdapter != NULL)
 237     {
 238         g_adapterHandler[index].stopAdapter();
 239     }
 240 }
 241
 242 CAResult_t CAGetNetworkInfo(CAEndpoint_t **info, uint32_t *size)
 243 {
 244     if (info == NULL || size == NULL)
 245     {
 246         return CA_STATUS_INVALID_PARAM;
 247     }
 248
 249     CAEndpoint_t **tempInfo = (CAEndpoint_t**) OICCalloc(g_numberOfAdapters, sizeof(*tempInfo));
 250     if (!tempInfo)
 251     {
 252         OIC_LOG(ERROR, TAG, "Out of memory!");
 253         return CA_MEMORY_ALLOC_FAILED;
 254     }
 255     uint32_t *tempSize =(uint32_t*) OICCalloc(g_numberOfAdapters, sizeof(*tempSize));
 256     if (!tempSize)
 257     {
 258         OIC_LOG(ERROR, TAG, "Out of memory!");
 259         OICFree(tempInfo);
 260         return CA_MEMORY_ALLOC_FAILED;
 261     }
 262
 263     CAResult_t res = CA_STATUS_FAILED;
 264     size_t resSize = 0;
 265     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 266     {
 267         if (g_adapterHandler[index].GetnetInfo != NULL)
 268         {
 269             // #1. get information for each adapter
 270             res = g_adapterHandler[index].GetnetInfo(&tempInfo[index],
 271                                                      &tempSize[index]);
 272
 273             // #2. total size
 274             if (res == CA_STATUS_OK)
 275             {
 276                 resSize += tempSize[index];
 277             }
 278
 279             OIC_LOG_V(DEBUG,
 280                       TAG,
 281                       "%zu adapter network info size is %" PRIu32 " res:%d",
 282                       index,
 283                       tempSize[index],
 284                       res);
 285         }
 286     }
 287
 288     OIC_LOG_V(DEBUG, TAG, "network info total size is %zu!", resSize);
 289
 290     if (resSize == 0)
 291     {
 292         OICFree(tempInfo);
 293         OICFree(tempSize);
 294         if (res == CA_ADAPTER_NOT_ENABLED || res == CA_NOT_SUPPORTED)
 295         {
 296             return res;
 297         }
 298         return CA_STATUS_FAILED;
 299     }
 300
 301     // #3. add data into result
 302     // memory allocation
 303     CAEndpoint_t *resInfo = (CAEndpoint_t *) OICCalloc(resSize, sizeof (*resInfo));
 304     CA_MEMORY_ALLOC_CHECK(resInfo);
 305
 306     // #4. save data
 307     *info = resInfo;
 308     *size = resSize;
 309
 310     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 311     {
 312         // check information
 313         if (tempSize[index] == 0)
 314         {
 315             continue;
 316         }
 317
 318         memcpy(resInfo,
 319                tempInfo[index],
 320                sizeof(*resInfo) * tempSize[index]);
 321
 322         resInfo += tempSize[index];
 323
 324         // free adapter data
 325         OICFree(tempInfo[index]);
 326         tempInfo[index] = NULL;
 327     }
 328     OICFree(tempInfo);
 329     OICFree(tempSize);
 330
 331     OIC_LOG(DEBUG, TAG, "each network info save success!");
 332     return CA_STATUS_OK;
 333
 334     // memory error label.
 335 memory_error_exit:
 336
 337     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 338     {
 339         OICFree(tempInfo[index]);
 340         tempInfo[index] = NULL;
 341     }
 342     OICFree(tempInfo);
 343     OICFree(tempSize);
 344
 345     return CA_MEMORY_ALLOC_FAILED;
 346 }
 347
 348 CAResult_t CASendUnicastData(const CAEndpoint_t *endpoint, const void *data, uint32_t length)
 349 {
 350     if (endpoint == NULL)
 351     {
 352         OIC_LOG(DEBUG, TAG, "Invalid endpoint");
 353         return CA_STATUS_INVALID_PARAM;
 354     }
 355
 356
 357     u_arraylist_t *list = CAGetSelectedNetworkList();
 358     if (!list)
 359     {
 360         OIC_LOG(ERROR, TAG, "No selected network");
 361         return CA_SEND_FAILED;
 362     }
 363     CATransportAdapter_t requestedAdapter = endpoint->adapter ? endpoint->adapter : CA_ALL_ADAPTERS;
 364
 365     for (uint32_t i = 0; i < u_arraylist_length(list); i++)
 366     {
 367         void* ptrType = u_arraylist_get(list, i);
 368
 369         if (NULL == ptrType)
 370         {
 371             continue;
 372         }
 373
 374         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 375         if (0 == (connType & requestedAdapter))
 376         {
 377             continue;
 378         }
 379
 380         int index = CAGetAdapterIndex(connType);
 381
 382         if (-1 == index)
 383         {
 384             OIC_LOG(ERROR, TAG, "unknown transport type!");
 385             return CA_STATUS_INVALID_PARAM;
 386         }
 387
 388         int32_t sentDataLen = 0;
 389
 390         if (NULL != g_adapterHandler[index].sendData)
 391         {
 392             OIC_LOG(DEBUG, TAG, "unicast message to adapter");
 393             sentDataLen = g_adapterHandler[index].sendData(endpoint, data, length);
 394         }
 395
 396         if (sentDataLen != (int32_t)length)
 397         {
 398             OIC_LOG(ERROR, TAG, "error in sending data. Error will be reported in adapter");
 399 #ifdef SINGLE_THREAD
 400             //in case of single thread, no error handler. Report error immediately
 401             return CA_SEND_FAILED;
 402 #endif
 403         }
 404
 405     }
 406
 407     return CA_STATUS_OK;
 408 }
 409
 410 CAResult_t CASendMulticastData(const CAEndpoint_t *endpoint, const void *data, uint32_t length)
 411 {
 412     u_arraylist_t *list = CAGetSelectedNetworkList();
 413     if (!list)
 414     {
 415         OIC_LOG(DEBUG, TAG, "No selected network");
 416         return CA_SEND_FAILED;
 417     }
 418
 419     CATransportAdapter_t requestedAdapter = endpoint->adapter ? endpoint->adapter : CA_ALL_ADAPTERS;
 420     size_t selectedLength = u_arraylist_length(list);
 421     for (size_t i = 0; i < selectedLength; i++)
 422     {
 423         void* ptrType = u_arraylist_get(list, i);
 424
 425         if(NULL == ptrType)
 426         {
 427             continue;
 428         }
 429
 430         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 431         if (0 == (connType & requestedAdapter))
 432         {
 433             continue;
 434         }
 435
 436         int index = CAGetAdapterIndex(connType);
 437         if (0 > index)
 438         if (-1 == index)
 439         {
 440             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 441             continue;
 442         }
 443
 444         uint32_t sentDataLen = 0;
 445
 446         if (NULL != g_adapterHandler[index].sendDataToAll)
 447         {
 448             void *payload = (void *) OICMalloc(length);
 449             if (!payload)
 450             {
 451                 OIC_LOG(ERROR, TAG, "Out of memory!");
 452                 return CA_MEMORY_ALLOC_FAILED;
 453             }
 454             memcpy(payload, data, length);
 455             sentDataLen = g_adapterHandler[index].sendDataToAll(endpoint, payload, length);
 456             OICFree(payload);
 457         }
 458
 459         if (sentDataLen != length)
 460         {
 461             OIC_LOG(ERROR, TAG, "sendDataToAll failed! Error will be reported from adapter");
 462 #ifdef SINGLE_THREAD
 463             //in case of single thread, no error handler. Report error immediately
 464             return CA_SEND_FAILED;
 465 #endif
 466         }
 467     }
 468
 469     return CA_STATUS_OK;
 470 }
 471
 472 CAResult_t CAStartListeningServerAdapters()
 473 {
 474     CAResult_t result = CA_STATUS_FAILED;
 475
 476     u_arraylist_t *list = CAGetSelectedNetworkList();
 477     if (!list)
 478     {
 479         OIC_LOG(ERROR, TAG, "No selected network");
 480         return result;
 481     }
 482
 483     size_t length = u_arraylist_length(list);
 484     for (size_t i = 0; i < length; i++)
 485     {
 486         void* ptrType = u_arraylist_get(list, i);
 487
 488         if(ptrType == NULL)
 489         {
 490             continue;
 491         }
 492
 493         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 494
 495         int index = CAGetAdapterIndex(connType);
 496         if (0 > index)
 497         {
 498             OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 499             continue;
 500         }
 501
 502         if (g_adapterHandler[index].startListenServer != NULL)
 503         {
 504             const CAResult_t tmp =
 505                 g_adapterHandler[index].startListenServer();
 506
 507             // Successful listen if at least one adapter started.
 508             if (CA_STATUS_OK == tmp)
 509             {
 510                 result = tmp;
 511             }
 512         }
 513     }
 514
 515     return result;
 516 }
 517
 518 CAResult_t CAStopListeningServerAdapters()
 519 {
 520     u_arraylist_t *list = CAGetSelectedNetworkList();
 521     if (!list)
 522     {
 523         OIC_LOG(ERROR, TAG, "No selected network");
 524         return CA_STATUS_FAILED;
 525     }
 526
 527     size_t length = u_arraylist_length(list);
 528     for (size_t i = 0; i < length; i++)
 529     {
 530         void* ptrType = u_arraylist_get(list, i);
 531         if(ptrType == NULL)
 532         {
 533             continue;
 534         }
 535
 536         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 537
 538         int index = CAGetAdapterIndex(connType);
 539         if (0 > index)
 540         {
 541             OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 542             continue;
 543         }
 544
 545         if (g_adapterHandler[index].stopListenServer != NULL)
 546         {
 547             g_adapterHandler[index].stopListenServer();
 548         }
 549     }
 550
 551     return CA_STATUS_OK;
 552 }
 553
 554 CAResult_t CAStartDiscoveryServerAdapters()
 555 {
 556     CAResult_t result = CA_STATUS_FAILED;
 557
 558     u_arraylist_t *list = CAGetSelectedNetworkList();
 559
 560     if (!list)
 561     {
 562         OIC_LOG(ERROR, TAG, "No selected network");
 563         return result;
 564     }
 565
 566     size_t length = u_arraylist_length(list);
 567     for (size_t i = 0; i < length; i++)
 568     {
 569         void* ptrType = u_arraylist_get(list, i);
 570
 571         if(ptrType == NULL)
 572         {
 573             continue;
 574         }
 575
 576         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 577
 578         int index = CAGetAdapterIndex(connType);
 579         if (0 > index)
 580         {
 581             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 582             continue;
 583         }
 584
 585         if (g_adapterHandler[index].startDiscoveryServer != NULL)
 586         {
 587             const CAResult_t tmp =
 588                 g_adapterHandler[index].startDiscoveryServer();
 589
 590             // Successful discovery if at least one adapter started.
 591             if (CA_STATUS_OK == tmp)
 592             {
 593                 result = tmp;
 594             }
 595         }
 596     }
 597
 598     return result;
 599 }
 600
 601 void CATerminateAdapters()
 602 {
 603     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 604     {
 605         if (g_adapterHandler[index].terminate != NULL)
 606         {
 607             g_adapterHandler[index].terminate();
 608         }
 609     }
 610
 611     OICFree(g_adapterHandler);
 612     g_adapterHandler = NULL;
 613     g_numberOfAdapters = 0;
 614 }
 615
 616 #ifdef SINGLE_THREAD
 617 CAResult_t CAReadData()
 618 {
 619     u_arraylist_t *list = CAGetSelectedNetworkList();
 620
 621     if (!list)
 622     {
 623         return CA_STATUS_FAILED;
 624     }
 625
 626     uint8_t i = 0;
 627     for (i = 0; i < u_arraylist_length(list); i++)
 628     {
 629         void *ptrType = u_arraylist_get(list, i);
 630         if (NULL == ptrType)
 631         {
 632             OIC_LOG(ERROR, TAG, "get list fail");
 633             return CA_STATUS_FAILED;
 634         }
 635
 636         CATransportAdapter_t connType = *(CATransportAdapter_t *) ptrType;
 637
 638         int index = CAGetAdapterIndex(connType);
 639         if (0 > index)
 640         {
 641             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 642             continue;
 643         }
 644
 645         if (g_adapterHandler[index].readData != NULL)
 646         {
 647             g_adapterHandler[index].readData();
 648         }
 649     }
 650
 651     return CA_STATUS_OK;
 652 }
 653 #endif
 654