1 /* ****************************************************************
3 * Copyright 2014 Samsung Electronics All Rights Reserved.
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
11 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 ******************************************************************/
20 #include "caipadapter.h"
27 #include "caipinterface.h"
28 #include "caqueueingthread.h"
29 #include "caadapterutils.h"
31 #include "caadapternetdtls.h"
34 #include "uarraylist.h"
35 #include "caremotehandler.h"
37 #include "oic_malloc.h"
38 #include "oic_string.h"
41 * Logging tag for module name.
47 * Holds inter thread ip data information.
51 CAEndpoint_t *remoteEndpoint;
58 * Queue handle for Send Data.
60 static CAQueueingThread_t *g_sendQueueHandle = NULL;
64 * Network Packet Received Callback to CA.
66 static CANetworkPacketReceivedCallback g_networkPacketCallback = NULL;
69 * Network Changed Callback to CA.
71 static CANetworkChangeCallback g_networkChangeCallback = NULL;
74 * error Callback to CA adapter.
76 static CAErrorHandleCallback g_errorCallback = NULL;
78 static void CAIPPacketReceivedCB(const CASecureEndpoint_t *endpoint,
79 const void *data, uint32_t dataLength);
81 static void CAIPPacketSendCB(CAEndpoint_t *endpoint,
82 const void *data, uint32_t dataLength);
87 static CAResult_t CAIPInitializeQueueHandles();
89 static void CAIPDeinitializeQueueHandles();
91 static void CAIPSendDataThread(void *threadData);
93 static CAIPData_t *CACreateIPData(const CAEndpoint_t *remoteEndpoint,
94 const void *data, uint32_t dataLength,
97 void CAFreeIPData(CAIPData_t *ipData);
99 static void CADataDestroyer(void *data, uint32_t size);
101 CAResult_t CAIPInitializeQueueHandles()
103 OIC_LOG(DEBUG, TAG, "IN");
105 // Check if the message queue is already initialized
106 if (g_sendQueueHandle)
108 OIC_LOG(DEBUG, TAG, "send queue handle is already initialized!");
112 // Create send message queue
113 g_sendQueueHandle = OICMalloc(sizeof(CAQueueingThread_t));
114 if (!g_sendQueueHandle)
116 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
117 return CA_MEMORY_ALLOC_FAILED;
120 if (CA_STATUS_OK != CAQueueingThreadInitialize(g_sendQueueHandle,
121 (const ca_thread_pool_t)caglobals.ip.threadpool,
122 CAIPSendDataThread, CADataDestroyer))
124 OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
125 OICFree(g_sendQueueHandle);
126 g_sendQueueHandle = NULL;
127 return CA_STATUS_FAILED;
130 OIC_LOG(DEBUG, TAG, "OUT");
134 void CAIPDeinitializeQueueHandles()
136 OIC_LOG(DEBUG, TAG, "IN");
138 CAQueueingThreadDestroy(g_sendQueueHandle);
139 OICFree(g_sendQueueHandle);
140 g_sendQueueHandle = NULL;
142 OIC_LOG(DEBUG, TAG, "OUT");
145 #endif // SINGLE_THREAD
147 void CAIPConnectionStateCB(const char *ipAddress, CANetworkStatus_t status)
151 OIC_LOG(DEBUG, TAG, "IN");
155 static void CAIPPacketSendCB(CAEndpoint_t *endpoint, const void *data, uint32_t dataLength)
157 OIC_LOG(DEBUG, TAG, "IN");
159 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
160 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
162 CAIPSendData(endpoint, data, dataLength, false);
164 OIC_LOG(DEBUG, TAG, "OUT");
169 void CAIPPacketReceivedCB(const CASecureEndpoint_t *sep, const void *data,
172 OIC_LOG(DEBUG, TAG, "IN");
174 VERIFY_NON_NULL_VOID(sep, TAG, "sep is NULL");
175 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
177 OIC_LOG_V(DEBUG, TAG, "Address: %s, port:%d", sep->endpoint.addr, sep->endpoint.port);
179 if (g_networkPacketCallback)
181 g_networkPacketCallback(sep, data, dataLength);
183 OIC_LOG(DEBUG, TAG, "OUT");
186 void CAIPErrorHandler (const CAEndpoint_t *endpoint, const void *data,
187 uint32_t dataLength, CAResult_t result)
189 OIC_LOG(DEBUG, TAG, "IN");
191 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
193 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
195 void *buf = (void*)OICMalloc(sizeof(char) * dataLength);
198 OIC_LOG(ERROR, TAG, "Memory Allocation failed!");
201 memcpy(buf, data, dataLength);
204 g_errorCallback(endpoint, buf, dataLength, result);
211 OIC_LOG(DEBUG, TAG, "OUT");
214 static void CAInitializeIPGlobals()
216 caglobals.ip.u6.fd = -1;
217 caglobals.ip.u6s.fd = -1;
218 caglobals.ip.u4.fd = -1;
219 caglobals.ip.u4s.fd = -1;
220 caglobals.ip.m6.fd = -1;
221 caglobals.ip.m6s.fd = -1;
222 caglobals.ip.m4.fd = -1;
223 caglobals.ip.m4s.fd = -1;
224 caglobals.ip.u6.port = 0;
225 caglobals.ip.u6s.port = 0;
226 caglobals.ip.u4.port = 0;
227 caglobals.ip.u4s.port = 0;
228 caglobals.ip.m6.port = CA_COAP;
229 caglobals.ip.m6s.port = CA_SECURE_COAP;
230 caglobals.ip.m4.port = CA_COAP;
231 caglobals.ip.m4s.port = CA_SECURE_COAP;
233 CATransportFlags_t flags = 0;
234 if (caglobals.client)
236 flags |= caglobals.clientFlags;
238 if (caglobals.server)
240 flags |= caglobals.serverFlags;
242 caglobals.ip.ipv6enabled = flags & CA_IPV6;
243 caglobals.ip.ipv4enabled = flags & CA_IPV4;
244 caglobals.ip.dualstack = caglobals.ip.ipv6enabled && caglobals.ip.ipv4enabled;
247 CAResult_t CAInitializeIP(CARegisterConnectivityCallback registerCallback,
248 CANetworkPacketReceivedCallback networkPacketCallback,
249 CANetworkChangeCallback netCallback,
250 CAErrorHandleCallback errorCallback, ca_thread_pool_t handle)
252 OIC_LOG(DEBUG, TAG, "IN");
253 VERIFY_NON_NULL(registerCallback, TAG, "registerCallback");
254 VERIFY_NON_NULL(networkPacketCallback, TAG, "networkPacketCallback");
255 VERIFY_NON_NULL(netCallback, TAG, "netCallback");
256 #ifndef SINGLE_THREAD
257 VERIFY_NON_NULL(handle, TAG, "thread pool handle");
260 g_networkChangeCallback = netCallback;
261 g_networkPacketCallback = networkPacketCallback;
262 g_errorCallback = errorCallback;
264 CAInitializeIPGlobals();
265 caglobals.ip.threadpool = handle;
267 CAIPSetPacketReceiveCallback(CAIPPacketReceivedCB);
269 CAAdapterNetDtlsInit();
271 CADTLSSetAdapterCallbacks(CAIPPacketReceivedCB, CAIPPacketSendCB, 0);
274 CAConnectivityHandler_t ipHandler;
275 ipHandler.startAdapter = CAStartIP;
276 ipHandler.startListenServer = CAStartIPListeningServer;
277 ipHandler.stopListenServer = CAStopIPListeningServer;
278 ipHandler.startDiscoveryServer = CAStartIPDiscoveryServer;
279 ipHandler.sendData = CASendIPUnicastData;
280 ipHandler.sendDataToAll = CASendIPMulticastData;
281 ipHandler.GetnetInfo = CAGetIPInterfaceInformation;
282 ipHandler.readData = CAReadIPData;
283 ipHandler.stopAdapter = CAStopIP;
284 ipHandler.terminate = CATerminateIP;
285 registerCallback(ipHandler, CA_ADAPTER_IP);
287 OIC_LOG(INFO, TAG, "OUT IntializeIP is Success");
291 CAResult_t CAStartIP()
293 OIC_LOG(DEBUG, TAG, "IN");
295 CAIPStartNetworkMonitor();
297 uint16_t unicastPort = 55555;
298 // Address is hardcoded as we are using Single Interface
299 CAResult_t ret = CAIPStartServer();
300 if (CA_STATUS_OK != ret)
302 OIC_LOG_V(DEBUG, TAG, "CAIPStartServer failed[%d]", ret);
306 if (CA_STATUS_OK != CAIPInitializeQueueHandles())
308 OIC_LOG(ERROR, TAG, "Failed to Initialize Queue Handle");
310 return CA_STATUS_FAILED;
313 // Start send queue thread
314 if (CA_STATUS_OK != CAQueueingThreadStart(g_sendQueueHandle))
316 OIC_LOG(ERROR, TAG, "Failed to Start Send Data Thread");
317 return CA_STATUS_FAILED;
320 CAResult_t ret = CAIPStartServer((const ca_thread_pool_t)caglobals.ip.threadpool);
321 if (CA_STATUS_OK != ret)
323 OIC_LOG_V(ERROR, TAG, "Failed to start server![%d]", ret);
329 OIC_LOG(DEBUG, TAG, "OUT");
333 CAResult_t CAStartIPListeningServer()
335 OIC_LOG(DEBUG, TAG, "IN");
336 CAResult_t ret = CAIPStartListenServer();
337 if (CA_STATUS_OK != ret)
339 OIC_LOG_V(ERROR, TAG, "Failed to start listening server![%d]", ret);
342 OIC_LOG(DEBUG, TAG, "OUT");
346 CAResult_t CAStopIPListeningServer()
348 OIC_LOG(DEBUG, TAG, "IN");
349 CAResult_t ret = CAIPStopListenServer();
350 if (CA_STATUS_OK != ret)
352 OIC_LOG_V(ERROR, TAG, "Failed to stop listening server![%d]", ret);
354 OIC_LOG(DEBUG, TAG, "OUT");
358 CAResult_t CAStartIPDiscoveryServer()
360 return CAStartIPListeningServer();
363 static int32_t CAQueueIPData(bool isMulticast, const CAEndpoint_t *endpoint,
364 const void *data, uint32_t dataLength)
366 OIC_LOG(DEBUG, TAG, "IN");
368 VERIFY_NON_NULL_RET(endpoint, TAG, "remoteEndpoint", -1);
369 VERIFY_NON_NULL_RET(data, TAG, "data", -1);
373 OIC_LOG(ERROR, TAG, "Invalid Data Length");
379 CAIPSendData(endpoint, data, dataLength, isMulticast);
384 VERIFY_NON_NULL_RET(g_sendQueueHandle, TAG, "sendQueueHandle", -1);
385 // Create IPData to add to queue
386 CAIPData_t *ipData = CACreateIPData(endpoint, data, dataLength, isMulticast);
389 OIC_LOG(ERROR, TAG, "Failed to create ipData!");
392 // Add message to send queue
393 CAQueueingThreadAddData(g_sendQueueHandle, ipData, sizeof(CAIPData_t));
395 #endif // SINGLE_THREAD
397 OIC_LOG(DEBUG, TAG, "OUT");
401 int32_t CASendIPUnicastData(const CAEndpoint_t *endpoint,
402 const void *data, uint32_t dataLength)
404 OIC_LOG(DEBUG, TAG, "IN");
405 return CAQueueIPData(false, endpoint, data, dataLength);
408 int32_t CASendIPMulticastData(const CAEndpoint_t *endpoint, const void *data, uint32_t dataLength)
410 OIC_LOG(DEBUG, TAG, "IN");
411 return CAQueueIPData(true, endpoint, data, dataLength);
414 CAResult_t CAReadIPData()
416 OIC_LOG(DEBUG, TAG, "IN");
418 OIC_LOG(DEBUG, TAG, "OUT");
422 CAResult_t CAStopIP()
424 OIC_LOG(DEBUG, TAG, "IN");
427 CAAdapterNetDtlsDeInit();
430 #ifndef SINGLE_THREAD
431 if (g_sendQueueHandle && g_sendQueueHandle->threadMutex)
433 CAQueueingThreadStop(g_sendQueueHandle);
436 CAIPDeinitializeQueueHandles();
439 CAIPStopNetworkMonitor();
441 //Re-initializing the Globals to start them again
442 CAInitializeIPGlobals();
444 OIC_LOG(DEBUG, TAG, "OUT");
450 OIC_LOG(DEBUG, TAG, "IN");
453 CADTLSSetAdapterCallbacks(NULL, NULL, 0);
456 CAIPSetPacketReceiveCallback(NULL);
458 #ifndef SINGLE_THREAD
459 CAIPDeinitializeQueueHandles();
462 OIC_LOG(DEBUG, TAG, "OUT");
465 #ifndef SINGLE_THREAD
467 void CAIPSendDataThread(void *threadData)
469 OIC_LOG(DEBUG, TAG, "IN");
471 CAIPData_t *ipData = (CAIPData_t *) threadData;
474 OIC_LOG(DEBUG, TAG, "Invalid ip data!");
478 if (ipData->isMulticast)
480 //Processing for sending multicast
481 OIC_LOG(DEBUG, TAG, "Send Multicast Data is called");
482 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, true);
486 //Processing for sending unicast
488 if (ipData->remoteEndpoint && ipData->remoteEndpoint->flags & CA_SECURE)
490 OIC_LOG(DEBUG, TAG, "CAAdapterNetDtlsEncrypt called!");
491 CAResult_t result = CAAdapterNetDtlsEncrypt(ipData->remoteEndpoint,
492 ipData->data, ipData->dataLen);
493 if (CA_STATUS_OK != result)
495 OIC_LOG(ERROR, TAG, "CAAdapterNetDtlsEncrypt failed!");
497 OIC_LOG_V(DEBUG, TAG,
498 "CAAdapterNetDtlsEncrypt returned with result[%d]", result);
502 OIC_LOG(DEBUG, TAG, "Send Unicast Data is called");
503 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, false);
506 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, false);
510 OIC_LOG(DEBUG, TAG, "OUT");
515 #ifndef SINGLE_THREAD
517 CAIPData_t *CACreateIPData(const CAEndpoint_t *remoteEndpoint, const void *data,
518 uint32_t dataLength, bool isMulticast)
520 VERIFY_NON_NULL_RET(data, TAG, "IPData is NULL", NULL);
522 CAIPData_t *ipData = (CAIPData_t *) OICMalloc(sizeof(*ipData));
525 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
529 ipData->remoteEndpoint = CACloneEndpoint(remoteEndpoint);
530 ipData->data = (void *) OICMalloc(dataLength);
533 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
534 CAFreeIPData(ipData);
538 memcpy(ipData->data, data, dataLength);
539 ipData->dataLen = dataLength;
541 ipData->isMulticast = isMulticast;
546 void CAFreeIPData(CAIPData_t *ipData)
548 VERIFY_NON_NULL_VOID(ipData, TAG, "ipData is NULL");
550 CAFreeEndpoint(ipData->remoteEndpoint);
551 OICFree(ipData->data);
555 void CADataDestroyer(void *data, uint32_t size)
557 if (size < sizeof(CAIPData_t))
559 OIC_LOG_V(ERROR, TAG, "Destroy data too small %p %d", data, size);
561 CAIPData_t *etdata = (CAIPData_t *) data;
563 CAFreeIPData(etdata);
566 #endif // SINGLE_THREAD