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 <stdint.h>
  25
  26 #include "cainterfacecontroller.h"
  27 #include "caethernetadapter.h"
  28 #include "caedradapter.h"
  29 #include "caleadapter.h"
  30 #include "cawifiadapter.h"
  31 #include "canetworkconfigurator.h"
  32 #include "caremotehandler.h"
  33 #include "oic_malloc.h"
  34 #include "logger.h"
  35 #include "uthreadpool.h"
  36
  37 #define TAG PCF("CA")
  38
  39 #define CA_MEMORY_ALLOC_CHECK(arg) {if (arg == NULL) \
  40     {OIC_LOG_V(DEBUG, TAG, "memory error");goto memory_error_exit;} }
  41
  42 #define CA_CONNECTIVITY_TYPE_NUM   4
  43
  44 static CAConnectivityHandler_t gAdapterHandler[CA_CONNECTIVITY_TYPE_NUM];
  45
  46 static CANetworkPacketReceivedCallback gNetworkPacketReceivedCallback = NULL;
  47
  48 static CANetworkChangeCallback gNetworkChangeCallback = NULL;
  49
  50 static int8_t CAGetAdapterIndex(CAConnectivityType_t cType)
  51 {
  52     switch (cType)
  53     {
  54         case CA_ETHERNET:
  55             return 0;
  56         case CA_WIFI:
  57             return 1;
  58         case CA_EDR:
  59             return 2;
  60         case CA_LE:
  61             return 3;
  62     }
  63     return -1;
  64 }
  65
  66 static void CARegisterCallback(CAConnectivityHandler_t handler, CAConnectivityType_t cType)
  67 {
  68     OIC_LOG(DEBUG, TAG, "CARegisterCallback - Entry");
  69     int8_t index = -1;
  70
  71     index = CAGetAdapterIndex(cType);
  72
  73     if (index == -1)
  74     {
  75         OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
  76         return;
  77     }
  78
  79     memcpy(&gAdapterHandler[index], &handler, sizeof(CAConnectivityHandler_t));
  80
  81     OIC_LOG_V(DEBUG, TAG, "%d type adapter, register complete!", cType);
  82 }
  83
  84 static void CAReceivedPacketCallback(CARemoteEndpoint_t *endpoint, void *data,
  85                                      uint32_t dataLen)
  86 {
  87     OIC_LOG(DEBUG, TAG, "receivedPacketCallback in interface controller");
  88
  89     // Call the callback.
  90     if (gNetworkPacketReceivedCallback != NULL)
  91     {
  92         gNetworkPacketReceivedCallback(endpoint, data, dataLen);
  93     }
  94 }
  95
  96 static void CANetworkChangedCallback(CALocalConnectivity_t *info,
  97                                      CANetworkStatus_t status)
  98 {
  99     OIC_LOG(DEBUG, TAG, "Network Changed callback");
 100
 101     // Call the callback.
 102     if (gNetworkChangeCallback != NULL)
 103     {
 104         gNetworkChangeCallback(info, status);
 105     }
 106 }
 107
 108 void CAInitializeAdapters(u_thread_pool_t handle)
 109 {
 110     OIC_LOG(DEBUG, TAG, "initialize adapters..");
 111
 112     memset(gAdapterHandler, 0, sizeof(CAConnectivityHandler_t) * CA_CONNECTIVITY_TYPE_NUM);
 113
 114     // Initialize adapters and register callback.
 115 #ifdef ETHERNET_ADAPTER
 116     CAInitializeEthernet(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 117                          handle);
 118 #endif /* ETHERNET_ADAPTER */
 119
 120 #ifdef WIFI_ADAPTER
 121     CAInitializeWifi(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 122                      handle);
 123 #endif /* WIFI_ADAPTER */
 124
 125 #ifdef EDR_ADAPTER
 126     CAInitializeEDR(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 127                     handle);
 128 #endif /* EDR_ADAPTER */
 129
 130 #ifdef LE_ADAPTER
 131     CAInitializeLE(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 132                    handle);
 133 #endif /* LE_ADAPTER */
 134
 135 }
 136
 137 void CASetPacketReceivedCallback(CANetworkPacketReceivedCallback callback)
 138 {
 139     OIC_LOG(DEBUG, TAG, "Set packet received callback");
 140
 141     gNetworkPacketReceivedCallback = callback;
 142 }
 143
 144 void CASetNetworkChangeCallback(CANetworkChangeCallback callback)
 145 {
 146     OIC_LOG(DEBUG, TAG, "Set network change callback");
 147
 148     gNetworkChangeCallback = callback;
 149 }
 150
 151 void CAStartAdapter(CAConnectivityType_t cType)
 152 {
 153     OIC_LOG_V(DEBUG, TAG, "Start the adapter of CAConnectivityType[%d]", cType);
 154
 155     int8_t index = -1;
 156
 157     index = CAGetAdapterIndex(cType);
 158
 159     if (index == -1)
 160     {
 161         OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 162         return;
 163     }
 164
 165     if (gAdapterHandler[index].startAdapter != NULL)
 166     {
 167         gAdapterHandler[index].startAdapter();
 168     }
 169 }
 170
 171 void CAStopAdapter(CAConnectivityType_t cType)
 172 {
 173     OIC_LOG_V(DEBUG, TAG, "Stop the adapter of CAConnectivityType[%d]", cType);
 174
 175     int8_t index = -1;
 176
 177     index = CAGetAdapterIndex(cType);
 178
 179     if (index == -1)
 180     {
 181         OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 182         return;
 183     }
 184
 185     if (gAdapterHandler[index].stopAdapter != NULL)
 186     {
 187         gAdapterHandler[index].stopAdapter();
 188     }
 189 }
 190
 191 CAResult_t CAGetNetworkInfo(CALocalConnectivity_t **info, uint32_t *size)
 192 {
 193     CAResult_t res = CA_STATUS_FAILED;
 194     int8_t index = 0;
 195     int8_t i = 0;
 196
 197     CALocalConnectivity_t *resInfo = NULL;
 198     uint32_t resSize = 0;
 199
 200     CALocalConnectivity_t *tempInfo[CA_CONNECTIVITY_TYPE_NUM];
 201     uint32_t tempSize[CA_CONNECTIVITY_TYPE_NUM];
 202
 203     memset(tempInfo, 0, sizeof(CALocalConnectivity_t *) * CA_CONNECTIVITY_TYPE_NUM);
 204     memset(tempSize, 0, sizeof(uint32_t) * CA_CONNECTIVITY_TYPE_NUM);
 205
 206     // #1. get information each adapter
 207     for (index = 0; index < CA_CONNECTIVITY_TYPE_NUM; index++)
 208     {
 209         if (gAdapterHandler[index].GetnetInfo != NULL)
 210         {
 211             res = gAdapterHandler[index].GetnetInfo(&tempInfo[index], &tempSize[index]);
 212
 213             OIC_LOG_V(DEBUG, TAG, "%d adapter network info size is %d res:%d", index,
 214                       tempSize[index], res);
 215         }
 216     }
 217
 218     resSize = 0;
 219     for (index = 0; index < CA_CONNECTIVITY_TYPE_NUM; index++)
 220     {
 221         // check information
 222         if (tempInfo[index] == NULL || tempSize[index] <= 0)
 223         {
 224             continue;
 225         }
 226
 227         // #2. total size
 228         resSize += tempSize[index];
 229     }
 230
 231     OIC_LOG_V(DEBUG, TAG, "network info total size is %d!", resSize);
 232
 233     if (resSize <= 0)
 234     {
 235         res = CA_STATUS_FAILED;
 236         return res;
 237     }
 238
 239     // #3. add data into result
 240     // memory allocation
 241     resInfo = (CALocalConnectivity_t *) OICMalloc(sizeof(CALocalConnectivity_t) * resSize);
 242     CA_MEMORY_ALLOC_CHECK(resInfo);
 243     memset(resInfo, 0, sizeof(CALocalConnectivity_t) * resSize);
 244
 245     i = 0;
 246     for (index = 0; index < CA_CONNECTIVITY_TYPE_NUM; index++)
 247     {
 248         // check information
 249         if (tempInfo[index] == NULL || tempSize[index] <= 0)
 250         {
 251             continue;
 252         }
 253
 254         memcpy(resInfo + i, tempInfo[index], sizeof(CALocalConnectivity_t) * tempSize[index]);
 255
 256         i += tempSize[index];
 257
 258         // free adapter data
 259         OICFree(tempInfo[index]);
 260     }
 261
 262     // #5. save data
 263     *info = resInfo;
 264     *size = resSize;
 265     res = CA_STATUS_OK;
 266
 267     OIC_LOG_V(DEBUG, TAG, "each network info save success!");
 268
 269     return res;
 270
 271     // memory error label.
 272 memory_error_exit:
 273
 274     return CA_MEMORY_ALLOC_FAILED;
 275 }
 276
 277 CAResult_t CASendUnicastData(const CARemoteEndpoint_t *endpoint, void *data, uint32_t length)
 278 {
 279     OIC_LOG(DEBUG, TAG, "Send unicast data to enabled interface..");
 280
 281     int8_t index = -1;
 282     CAResult_t res = CA_STATUS_FAILED;
 283
 284     if (endpoint == NULL)
 285     {
 286         OIC_LOG_V(DEBUG, TAG, "Invalid endpoint");
 287         return CA_STATUS_INVALID_PARAM;
 288     }
 289
 290     CAConnectivityType_t type = endpoint->connectivityType;
 291
 292     index = CAGetAdapterIndex(type);
 293
 294     if (index == -1)
 295     {
 296         OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 297         return CA_STATUS_INVALID_PARAM;
 298     }
 299
 300     if (gAdapterHandler[index].sendData != NULL)
 301     {
 302         res = gAdapterHandler[index].sendData(endpoint, data, length);
 303     }
 304
 305     return res;
 306 }
 307
 308 CAResult_t CASendMulticastData(void *data, uint32_t length)
 309 {
 310     OIC_LOG(DEBUG, TAG, "Send multicast data to enabled interface..");
 311
 312     uint8_t i, type;
 313     int8_t index = -1;
 314     CAResult_t res = CA_STATUS_FAILED;
 315     u_arraylist_t *list = CAGetSelectedNetworkList();
 316
 317     if (!list)
 318     {
 319         OIC_LOG(DEBUG, TAG, "No selected network");
 320         return CA_STATUS_FAILED;
 321     }
 322
 323     for (i = 0; i < u_arraylist_length(list); i++)
 324     {
 325         void* cType = u_arraylist_get(list, i);
 326
 327         if(cType == NULL)
 328         {
 329             continue;
 330         }
 331
 332         type = *(uint8_t *) cType;
 333
 334         index = CAGetAdapterIndex(type);
 335
 336         if (index == -1)
 337         {
 338             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 339             continue;
 340         }
 341
 342         if (gAdapterHandler[index].sendDataToAll != NULL)
 343         {
 344             void *payload = (void *) OICMalloc(length);
 345             if (!payload)
 346             {
 347                 OIC_LOG_V(ERROR, TAG, "Out of memory!");
 348                 return CA_MEMORY_ALLOC_FAILED;
 349             }
 350             memcpy(payload, data, length);
 351             res = gAdapterHandler[index].sendDataToAll(payload, length);
 352         }
 353     }
 354     return res;
 355 }
 356
 357 CAResult_t CAStartListeningServerAdapters()
 358 {
 359     OIC_LOG(DEBUG, TAG, "Start listening server from adapters..");
 360
 361     uint8_t i, type;
 362     int8_t index = -1;
 363     u_arraylist_t *list = CAGetSelectedNetworkList();
 364
 365     if (!list)
 366     {
 367         OIC_LOG(DEBUG, TAG, "No selected network");
 368         return CA_STATUS_FAILED;
 369     }
 370
 371     for (i = 0; i < u_arraylist_length(list); i++)
 372     {
 373         void* cType = u_arraylist_get(list, i);
 374
 375         if(cType == NULL)
 376         {
 377             continue;
 378         }
 379
 380         type = *(uint8_t *) cType;
 381
 382         index = CAGetAdapterIndex(type);
 383
 384         if (index == -1)
 385         {
 386             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 387             continue;
 388         }
 389
 390         if (gAdapterHandler[index].startListenServer != NULL)
 391         {
 392             gAdapterHandler[index].startListenServer();
 393         }
 394     }
 395
 396     return CA_STATUS_OK;
 397 }
 398
 399 CAResult_t CAStartDiscoveryServerAdapters()
 400 {
 401     OIC_LOG(DEBUG, TAG, "Start discovery server from adapters..");
 402
 403     uint8_t i, type;
 404     int8_t index = -1;
 405     u_arraylist_t *list = CAGetSelectedNetworkList();
 406
 407     if (!list)
 408     {
 409         OIC_LOG(DEBUG, TAG, "No selected network");
 410         return CA_STATUS_FAILED;
 411     }
 412
 413     for (i = 0; i < u_arraylist_length(list); i++)
 414     {
 415         void* cType = u_arraylist_get(list, i);
 416
 417         if(cType == NULL)
 418         {
 419             continue;
 420         }
 421
 422         type = *(uint8_t *) cType;
 423
 424         index = CAGetAdapterIndex(type);
 425
 426         if (index == -1)
 427         {
 428             OIC_LOG_V(DEBUG, TAG, "unknown connectivity type!");
 429             continue;
 430         }
 431
 432         if (gAdapterHandler[index].startDiscoverServer != NULL)
 433         {
 434             gAdapterHandler[index].startDiscoverServer();
 435         }
 436     }
 437
 438     return CA_STATUS_OK;
 439 }
 440
 441 void CATerminateAdapters()
 442 {
 443     OIC_LOG(DEBUG, TAG, "terminate all adapters..");
 444
 445     uint8_t index;
 446
 447     for (index = 0; index < CA_CONNECTIVITY_TYPE_NUM; index++)
 448     {
 449         if (gAdapterHandler[index].terminate != NULL)
 450         {
 451             gAdapterHandler[index].stopAdapter();
 452             gAdapterHandler[index].terminate();
 453         }
 454     }
 455 }