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 "cainterfacecontroller.h"
  27 #include "caipadapter.h"
  28 #include "caedradapter.h"
  29 #include "caleadapter.h"
  30 #include "canetworkconfigurator.h"
  31 #include "caremotehandler.h"
  32 #include "oic_malloc.h"
  33 #include "logger.h"
  34 #include "cathreadpool.h"
  35
  36 #define TAG PCF("CA")
  37
  38 #define CA_MEMORY_ALLOC_CHECK(arg) {if (arg == NULL) \
  39     {OIC_LOG(ERROR, TAG, "memory error");goto memory_error_exit;} }
  40
  41 #define CA_TRANSPORT_TYPE_NUM   4
  42
  43 static CAConnectivityHandler_t g_adapterHandler[CA_TRANSPORT_TYPE_NUM];
  44
  45 static CANetworkPacketReceivedCallback g_networkPacketReceivedCallback = NULL;
  46
  47 static CANetworkChangeCallback g_networkChangeCallback = NULL;
  48
  49 static int CAGetAdapterIndex(CATransportType_t cType)
  50 {
  51     switch (cType)
  52     {
  53         case CA_IPV4:
  54             return 0;
  55         case CA_IPV6:
  56             return 1;
  57         case CA_EDR:
  58             return 2;
  59         case CA_LE:
  60             return 3;
  61     }
  62
  63     OIC_LOG(DEBUG, TAG, "CA_TRANSPORT_TYPE_NUM is not 4");
  64
  65     return -1;
  66 }
  67
  68 static void CARegisterCallback(CAConnectivityHandler_t handler, CATransportType_t cType)
  69 {
  70     OIC_LOG(DEBUG, TAG, "CARegisterCallback - Entry");
  71
  72     if(handler.startAdapter == NULL ||
  73         handler.startListenServer == NULL ||
  74         handler.startDiscoveryServer == NULL ||
  75         handler.sendData == NULL ||
  76         handler.sendDataToAll == NULL ||
  77         handler.GetnetInfo == NULL ||
  78         handler.readData == NULL ||
  79         handler.stopAdapter == NULL ||
  80         handler.terminate == NULL)
  81     {
  82         OIC_LOG(ERROR, TAG, "connectivity handler is not enough to be used!");
  83         return;
  84     }
  85
  86     int index = CAGetAdapterIndex(cType);
  87
  88     if (index == -1)
  89     {
  90         OIC_LOG(ERROR, TAG, "unknown connectivity type!");
  91         return;
  92     }
  93
  94     memcpy(&g_adapterHandler[index], &handler, sizeof(CAConnectivityHandler_t));
  95
  96     OIC_LOG_V(DEBUG, TAG, "%d type adapter, register complete!", cType);
  97 }
  98
  99 static void CAReceivedPacketCallback(CARemoteEndpoint_t *endpoint, void *data,
 100                                      uint32_t dataLen)
 101 {
 102     OIC_LOG(DEBUG, TAG, "receivedPacketCallback in interface controller");
 103
 104     // Call the callback.
 105     if (g_networkPacketReceivedCallback != NULL)
 106     {
 107         g_networkPacketReceivedCallback(endpoint, data, dataLen);
 108     }
 109     else
 110     {
 111         OICFree(endpoint);
 112         endpoint = NULL;
 113         OICFree(data);
 114         data = NULL;
 115
 116         OIC_LOG(ERROR, TAG, "network packet received callback is NULL!");
 117     }
 118 }
 119
 120 static void CANetworkChangedCallback(CALocalConnectivity_t *info,
 121                                      CANetworkStatus_t status)
 122 {
 123     OIC_LOG(DEBUG, TAG, "Network Changed callback");
 124
 125     // Call the callback.
 126     if (g_networkChangeCallback != NULL)
 127     {
 128         g_networkChangeCallback(info, status);
 129     }
 130 }
 131
 132 void CAInitializeAdapters(ca_thread_pool_t handle)
 133 {
 134     OIC_LOG(DEBUG, TAG, "initialize adapters..");
 135
 136     memset(g_adapterHandler, 0, sizeof(CAConnectivityHandler_t) * CA_TRANSPORT_TYPE_NUM);
 137
 138     // Initialize adapters and register callback.
 139 #ifdef IP_ADAPTER
 140     CAInitializeIP(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 141                          handle);
 142 #endif /* IP_ADAPTER */
 143
 144 #ifdef EDR_ADAPTER
 145     CAInitializeEDR(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 146                     handle);
 147 #endif /* EDR_ADAPTER */
 148
 149 #ifdef LE_ADAPTER
 150     CAInitializeLE(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 151                    handle);
 152 #endif /* LE_ADAPTER */
 153
 154 }
 155
 156 void CASetPacketReceivedCallback(CANetworkPacketReceivedCallback callback)
 157 {
 158     OIC_LOG(DEBUG, TAG, "Set packet received callback");
 159
 160     g_networkPacketReceivedCallback = callback;
 161 }
 162
 163 void CASetNetworkChangeCallback(CANetworkChangeCallback callback)
 164 {
 165     OIC_LOG(DEBUG, TAG, "Set network change callback");
 166
 167     g_networkChangeCallback = callback;
 168 }
 169
 170 CAResult_t CAStartAdapter(CATransportType_t transportType)
 171 {
 172     OIC_LOG_V(DEBUG, TAG, "Start the adapter of CAConnectivityType[%d]", transportType);
 173
 174     int index = CAGetAdapterIndex(transportType);
 175
 176     if (index == -1)
 177     {
 178         OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 179         return CA_STATUS_FAILED;
 180     }
 181
 182     if (g_adapterHandler[index].startAdapter != NULL)
 183     {
 184         g_adapterHandler[index].startAdapter();
 185     }
 186
 187     return CA_STATUS_OK;
 188 }
 189
 190 void CAStopAdapter(CATransportType_t transportType)
 191 {
 192     OIC_LOG_V(DEBUG, TAG, "Stop the adapter of CATransportType[%d]", transportType);
 193
 194     int index = CAGetAdapterIndex(transportType);
 195
 196     if (index == -1)
 197     {
 198         OIC_LOG(ERROR, TAG, "unknown transport type!");
 199         return;
 200     }
 201
 202     if (g_adapterHandler[index].stopAdapter != NULL)
 203     {
 204         g_adapterHandler[index].stopAdapter();
 205     }
 206 }
 207
 208 CAResult_t CAGetNetworkInfo(CALocalConnectivity_t **info, uint32_t *size)
 209 {
 210     if (info == NULL || size == NULL)
 211     {
 212         return CA_STATUS_INVALID_PARAM;
 213     }
 214
 215     CALocalConnectivity_t *tempInfo[CA_TRANSPORT_TYPE_NUM] = { 0 };
 216     uint32_t tempSize[CA_TRANSPORT_TYPE_NUM] = { 0 };
 217
 218     CAResult_t res = CA_STATUS_FAILED;
 219     uint32_t resSize = 0;
 220     for (int index = 0; index < CA_TRANSPORT_TYPE_NUM; index++)
 221     {
 222         if (g_adapterHandler[index].GetnetInfo != NULL)
 223         {
 224             // #1. get information for each adapter
 225             res = g_adapterHandler[index].GetnetInfo(&tempInfo[index],
 226                                                      &tempSize[index]);
 227
 228             // #2. total size
 229             if (res == CA_STATUS_OK)
 230             {
 231                 resSize += tempSize[index];
 232             }
 233
 234             OIC_LOG_V(DEBUG,
 235                       TAG,
 236                       "%d adapter network info size is %" PRIu32 " res:%d",
 237                       index,
 238                       tempSize[index],
 239                       res);
 240         }
 241     }
 242
 243     OIC_LOG_V(DEBUG, TAG, "network info total size is %d!", resSize);
 244
 245     if (resSize == 0)
 246     {
 247         if (res == CA_ADAPTER_NOT_ENABLED || res == CA_NOT_SUPPORTED)
 248         {
 249             return res;
 250         }
 251         return CA_STATUS_FAILED;
 252     }
 253
 254     // #3. add data into result
 255     // memory allocation
 256
 257     CALocalConnectivity_t * resInfo = OICCalloc(resSize, sizeof(*resInfo));
 258     CA_MEMORY_ALLOC_CHECK(resInfo);
 259
 260     // #4. save data
 261     *info = resInfo;
 262     *size = resSize;
 263
 264     for (int index = 0; index < CA_TRANSPORT_TYPE_NUM; index++)
 265     {
 266         // check information
 267         if (tempSize[index] == 0)
 268         {
 269             continue;
 270         }
 271
 272         memcpy(resInfo,
 273                tempInfo[index],
 274                sizeof(*resInfo) * tempSize[index]);
 275
 276         resInfo += tempSize[index];
 277
 278         // free adapter data
 279         OICFree(tempInfo[index]);
 280         tempInfo[index] = NULL;
 281     }
 282
 283     OIC_LOG(DEBUG, TAG, "each network info save success!");
 284     return CA_STATUS_OK;
 285
 286     // memory error label.
 287 memory_error_exit:
 288
 289     for (int index = 0; index < CA_TRANSPORT_TYPE_NUM; index++)
 290     {
 291
 292         OICFree(tempInfo[index]);
 293         tempInfo[index] = NULL;
 294     }
 295
 296     return CA_MEMORY_ALLOC_FAILED;
 297 }
 298
 299 CAResult_t CASendUnicastData(const CARemoteEndpoint_t *endpoint, const void *data, uint32_t length)
 300 {
 301     OIC_LOG(DEBUG, TAG, "Send unicast data to enabled interface..");
 302
 303     CAResult_t res = CA_STATUS_FAILED;
 304
 305     if (endpoint == NULL)
 306     {
 307         OIC_LOG(DEBUG, TAG, "Invalid endpoint");
 308         return CA_STATUS_INVALID_PARAM;
 309     }
 310
 311     CATransportType_t type = endpoint->transportType;
 312
 313     int index = CAGetAdapterIndex(type);
 314
 315     if (index == -1)
 316     {
 317         OIC_LOG(ERROR, TAG, "unknown transport type!");
 318         return CA_STATUS_INVALID_PARAM;
 319     }
 320
 321     uint32_t sentDataLen = 0;
 322
 323     if (g_adapterHandler[index].sendData != NULL)
 324     {
 325         sentDataLen = g_adapterHandler[index].sendData(endpoint, data, length);
 326     }
 327
 328     if (sentDataLen != -1)
 329     {
 330         res = CA_STATUS_OK;
 331     }
 332     return res;
 333 }
 334
 335 CAResult_t CASendMulticastData(const void *data, uint32_t length)
 336 {
 337     OIC_LOG(DEBUG, TAG, "Send multicast data to enabled interface..");
 338
 339     CAResult_t res = CA_STATUS_FAILED;
 340     u_arraylist_t *list = CAGetSelectedNetworkList();
 341
 342     if (!list)
 343     {
 344         OIC_LOG(DEBUG, TAG, "No selected network");
 345         return CA_STATUS_FAILED;
 346     }
 347
 348     int i = 0;
 349     for (i = 0; i < u_arraylist_length(list); i++)
 350     {
 351         void* ptrType = u_arraylist_get(list, i);
 352
 353         if(ptrType == NULL)
 354         {
 355             continue;
 356         }
 357
 358         CATransportType_t connType = *(CATransportType_t *) ptrType;
 359
 360         int index = CAGetAdapterIndex(connType);
 361
 362         if (index == -1)
 363         {
 364             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 365             continue;
 366         }
 367
 368         uint32_t sentDataLen = 0;
 369
 370         if (g_adapterHandler[index].sendDataToAll != NULL)
 371         {
 372             void *payload = (void *) OICMalloc(length);
 373             if (!payload)
 374             {
 375                 OIC_LOG(ERROR, TAG, "Out of memory!");
 376                 return CA_MEMORY_ALLOC_FAILED;
 377             }
 378             memcpy(payload, data, length);
 379             sentDataLen = g_adapterHandler[index].sendDataToAll(payload, length);
 380             OICFree(payload);
 381         }
 382
 383         if (sentDataLen == length)
 384         {
 385            res = CA_STATUS_OK;
 386         }
 387         else
 388         {
 389             OIC_LOG(ERROR, TAG, "sendDataToAll failed!");
 390         }
 391     }
 392
 393     return res;
 394 }
 395
 396 CAResult_t CAStartListeningServerAdapters()
 397 {
 398     OIC_LOG(DEBUG, TAG, "Start listening server from adapters..");
 399
 400     u_arraylist_t *list = CAGetSelectedNetworkList();
 401     if (!list)
 402     {
 403         OIC_LOG(ERROR, TAG, "No selected network");
 404         return CA_STATUS_FAILED;
 405     }
 406
 407     int i = 0;
 408     for (i = 0; i < u_arraylist_length(list); i++)
 409     {
 410         void* ptrType = u_arraylist_get(list, i);
 411
 412         if(ptrType == NULL)
 413         {
 414             continue;
 415         }
 416
 417         CATransportType_t connType = *(CATransportType_t *) ptrType;
 418
 419         int index = CAGetAdapterIndex(connType);
 420         if (index == -1)
 421         {
 422             OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 423             continue;
 424         }
 425
 426         if (g_adapterHandler[index].startListenServer != NULL)
 427         {
 428             g_adapterHandler[index].startListenServer();
 429         }
 430     }
 431
 432     return CA_STATUS_OK;
 433 }
 434
 435 CAResult_t CAStartDiscoveryServerAdapters()
 436 {
 437     OIC_LOG(DEBUG, TAG, "Start discovery server from adapters..");
 438
 439     u_arraylist_t *list = CAGetSelectedNetworkList();
 440
 441     if (!list)
 442     {
 443         OIC_LOG(ERROR, TAG, "No selected network");
 444         return CA_STATUS_FAILED;
 445     }
 446
 447     int i = 0;
 448     for (i = 0; i < u_arraylist_length(list); i++)
 449     {
 450         void* ptrType = u_arraylist_get(list, i);
 451
 452         if(ptrType == NULL)
 453         {
 454             continue;
 455         }
 456
 457         CATransportType_t connType = *(CATransportType_t *) ptrType;
 458
 459         int index = CAGetAdapterIndex(connType);
 460
 461         if (index == -1)
 462         {
 463             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 464             continue;
 465         }
 466
 467         if (g_adapterHandler[index].startDiscoveryServer != NULL)
 468         {
 469             g_adapterHandler[index].startDiscoveryServer();
 470         }
 471     }
 472
 473     return CA_STATUS_OK;
 474 }
 475
 476 void CATerminateAdapters()
 477 {
 478     OIC_LOG(DEBUG, TAG, "terminate all adapters..");
 479
 480     uint32_t index;
 481     for (index = 0; index < CA_TRANSPORT_TYPE_NUM; index++)
 482     {
 483         if (g_adapterHandler[index].terminate != NULL)
 484         {
 485             g_adapterHandler[index].terminate();
 486         }
 487     }
 488 }