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 // Check if the message queue is already initialized
104 if (g_sendQueueHandle)
106 OIC_LOG(DEBUG, TAG, "send queue handle is already initialized!");
110 // Create send message queue
111 g_sendQueueHandle = OICMalloc(sizeof(CAQueueingThread_t));
112 if (!g_sendQueueHandle)
114 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
115 return CA_MEMORY_ALLOC_FAILED;
118 if (CA_STATUS_OK != CAQueueingThreadInitialize(g_sendQueueHandle,
119 (const ca_thread_pool_t)caglobals.ip.threadpool,
120 CAIPSendDataThread, CADataDestroyer))
122 OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
123 OICFree(g_sendQueueHandle);
124 g_sendQueueHandle = NULL;
125 return CA_STATUS_FAILED;
131 void CAIPDeinitializeQueueHandles()
133 CAQueueingThreadDestroy(g_sendQueueHandle);
134 OICFree(g_sendQueueHandle);
135 g_sendQueueHandle = NULL;
138 #endif // SINGLE_THREAD
140 void CAIPConnectionStateCB(const char *ipAddress, CANetworkStatus_t status)
147 static void CAIPPacketSendCB(CAEndpoint_t *endpoint, const void *data, uint32_t dataLength)
149 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
150 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
152 CAIPSendData(endpoint, data, dataLength, false);
157 void CAIPPacketReceivedCB(const CASecureEndpoint_t *sep, const void *data,
160 VERIFY_NON_NULL_VOID(sep, TAG, "sep is NULL");
161 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
163 OIC_LOG_V(DEBUG, TAG, "Address: %s, port:%d", sep->endpoint.addr, sep->endpoint.port);
165 if (g_networkPacketCallback)
167 g_networkPacketCallback(sep, data, dataLength);
171 void CAIPErrorHandler (const CAEndpoint_t *endpoint, const void *data,
172 uint32_t dataLength, CAResult_t result)
174 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
175 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
177 void *buf = (void*)OICMalloc(sizeof(char) * dataLength);
180 OIC_LOG(ERROR, TAG, "Memory Allocation failed!");
183 memcpy(buf, data, dataLength);
186 g_errorCallback(endpoint, buf, dataLength, result);
194 static void CAInitializeIPGlobals()
196 caglobals.ip.u6.fd = -1;
197 caglobals.ip.u6s.fd = -1;
198 caglobals.ip.u4.fd = -1;
199 caglobals.ip.u4s.fd = -1;
200 caglobals.ip.m6.fd = -1;
201 caglobals.ip.m6s.fd = -1;
202 caglobals.ip.m4.fd = -1;
203 caglobals.ip.m4s.fd = -1;
204 caglobals.ip.u6.port = 0;
205 caglobals.ip.u6s.port = 0;
206 caglobals.ip.u4.port = 0;
207 caglobals.ip.u4s.port = 0;
208 caglobals.ip.m6.port = CA_COAP;
209 caglobals.ip.m6s.port = CA_SECURE_COAP;
210 caglobals.ip.m4.port = CA_COAP;
211 caglobals.ip.m4s.port = CA_SECURE_COAP;
213 CATransportFlags_t flags = 0;
214 if (caglobals.client)
216 flags |= caglobals.clientFlags;
218 if (caglobals.server)
220 flags |= caglobals.serverFlags;
222 caglobals.ip.ipv6enabled = flags & CA_IPV6;
223 caglobals.ip.ipv4enabled = flags & CA_IPV4;
224 caglobals.ip.dualstack = caglobals.ip.ipv6enabled && caglobals.ip.ipv4enabled;
227 CAResult_t CAInitializeIP(CARegisterConnectivityCallback registerCallback,
228 CANetworkPacketReceivedCallback networkPacketCallback,
229 CANetworkChangeCallback netCallback,
230 CAErrorHandleCallback errorCallback, ca_thread_pool_t handle)
232 OIC_LOG(DEBUG, TAG, "IN");
233 VERIFY_NON_NULL(registerCallback, TAG, "registerCallback");
234 VERIFY_NON_NULL(networkPacketCallback, TAG, "networkPacketCallback");
235 VERIFY_NON_NULL(netCallback, TAG, "netCallback");
236 #ifndef SINGLE_THREAD
237 VERIFY_NON_NULL(handle, TAG, "thread pool handle");
240 g_networkChangeCallback = netCallback;
241 g_networkPacketCallback = networkPacketCallback;
242 g_errorCallback = errorCallback;
244 CAInitializeIPGlobals();
245 caglobals.ip.threadpool = handle;
247 CAIPSetPacketReceiveCallback(CAIPPacketReceivedCB);
249 CAAdapterNetDtlsInit();
251 CADTLSSetAdapterCallbacks(CAIPPacketReceivedCB, CAIPPacketSendCB, 0);
254 CAConnectivityHandler_t ipHandler;
255 ipHandler.startAdapter = CAStartIP;
256 ipHandler.startListenServer = CAStartIPListeningServer;
257 ipHandler.stopListenServer = CAStopIPListeningServer;
258 ipHandler.startDiscoveryServer = CAStartIPDiscoveryServer;
259 ipHandler.sendData = CASendIPUnicastData;
260 ipHandler.sendDataToAll = CASendIPMulticastData;
261 ipHandler.GetnetInfo = CAGetIPInterfaceInformation;
262 ipHandler.readData = CAReadIPData;
263 ipHandler.stopAdapter = CAStopIP;
264 ipHandler.terminate = CATerminateIP;
265 registerCallback(ipHandler, CA_ADAPTER_IP);
267 OIC_LOG(INFO, TAG, "OUT IntializeIP is Success");
271 CAResult_t CAStartIP()
273 CAIPStartNetworkMonitor();
275 uint16_t unicastPort = 55555;
276 // Address is hardcoded as we are using Single Interface
277 CAResult_t ret = CAIPStartServer();
278 if (CA_STATUS_OK != ret)
280 OIC_LOG_V(DEBUG, TAG, "CAIPStartServer failed[%d]", ret);
284 if (CA_STATUS_OK != CAIPInitializeQueueHandles())
286 OIC_LOG(ERROR, TAG, "Failed to Initialize Queue Handle");
288 return CA_STATUS_FAILED;
291 // Start send queue thread
292 if (CA_STATUS_OK != CAQueueingThreadStart(g_sendQueueHandle))
294 OIC_LOG(ERROR, TAG, "Failed to Start Send Data Thread");
295 return CA_STATUS_FAILED;
298 CAResult_t ret = CAIPStartServer((const ca_thread_pool_t)caglobals.ip.threadpool);
299 if (CA_STATUS_OK != ret)
301 OIC_LOG_V(ERROR, TAG, "Failed to start server![%d]", ret);
310 CAResult_t CAStartIPListeningServer()
312 CAResult_t ret = CAIPStartListenServer();
313 if (CA_STATUS_OK != ret)
315 OIC_LOG_V(ERROR, TAG, "Failed to start listening server![%d]", ret);
322 CAResult_t CAStopIPListeningServer()
324 CAResult_t ret = CAIPStopListenServer();
325 if (CA_STATUS_OK != ret)
327 OIC_LOG_V(ERROR, TAG, "Failed to stop listening server![%d]", ret);
333 CAResult_t CAStartIPDiscoveryServer()
335 return CAStartIPListeningServer();
338 static int32_t CAQueueIPData(bool isMulticast, const CAEndpoint_t *endpoint,
339 const void *data, uint32_t dataLength)
341 VERIFY_NON_NULL_RET(endpoint, TAG, "remoteEndpoint", -1);
342 VERIFY_NON_NULL_RET(data, TAG, "data", -1);
346 OIC_LOG(ERROR, TAG, "Invalid Data Length");
352 CAIPSendData(endpoint, data, dataLength, isMulticast);
357 VERIFY_NON_NULL_RET(g_sendQueueHandle, TAG, "sendQueueHandle", -1);
358 // Create IPData to add to queue
359 CAIPData_t *ipData = CACreateIPData(endpoint, data, dataLength, isMulticast);
362 OIC_LOG(ERROR, TAG, "Failed to create ipData!");
365 // Add message to send queue
366 CAQueueingThreadAddData(g_sendQueueHandle, ipData, sizeof(CAIPData_t));
368 #endif // SINGLE_THREAD
373 int32_t CASendIPUnicastData(const CAEndpoint_t *endpoint,
374 const void *data, uint32_t dataLength)
376 return CAQueueIPData(false, endpoint, data, dataLength);
379 int32_t CASendIPMulticastData(const CAEndpoint_t *endpoint, const void *data, uint32_t dataLength)
381 return CAQueueIPData(true, endpoint, data, dataLength);
384 CAResult_t CAReadIPData()
390 CAResult_t CAStopIP()
393 CAAdapterNetDtlsDeInit();
396 #ifndef SINGLE_THREAD
397 if (g_sendQueueHandle && g_sendQueueHandle->threadMutex)
399 CAQueueingThreadStop(g_sendQueueHandle);
402 CAIPDeinitializeQueueHandles();
405 CAIPStopNetworkMonitor();
407 //Re-initializing the Globals to start them again
408 CAInitializeIPGlobals();
416 CADTLSSetAdapterCallbacks(NULL, NULL, 0);
419 CAIPSetPacketReceiveCallback(NULL);
421 #ifndef SINGLE_THREAD
422 CAIPDeinitializeQueueHandles();
426 #ifndef SINGLE_THREAD
428 void CAIPSendDataThread(void *threadData)
430 CAIPData_t *ipData = (CAIPData_t *) threadData;
433 OIC_LOG(DEBUG, TAG, "Invalid ip data!");
437 if (ipData->isMulticast)
439 //Processing for sending multicast
440 OIC_LOG(DEBUG, TAG, "Send Multicast Data is called");
441 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, true);
445 //Processing for sending unicast
447 if (ipData->remoteEndpoint && ipData->remoteEndpoint->flags & CA_SECURE)
449 OIC_LOG(DEBUG, TAG, "CAAdapterNetDtlsEncrypt called!");
450 CAResult_t result = CAAdapterNetDtlsEncrypt(ipData->remoteEndpoint,
451 ipData->data, ipData->dataLen);
452 if (CA_STATUS_OK != result)
454 OIC_LOG(ERROR, TAG, "CAAdapterNetDtlsEncrypt failed!");
456 OIC_LOG_V(DEBUG, TAG,
457 "CAAdapterNetDtlsEncrypt returned with result[%d]", result);
461 OIC_LOG(DEBUG, TAG, "Send Unicast Data is called");
462 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, false);
465 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, false);
472 #ifndef SINGLE_THREAD
473 CAIPData_t *CACreateIPData(const CAEndpoint_t *remoteEndpoint, const void *data,
474 uint32_t dataLength, bool isMulticast)
476 VERIFY_NON_NULL_RET(remoteEndpoint, TAG, "remoteEndpoint is NULL", NULL);
477 VERIFY_NON_NULL_RET(data, TAG, "IPData is NULL", NULL);
479 CAIPData_t *ipData = (CAIPData_t *) OICMalloc(sizeof(*ipData));
482 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
486 ipData->remoteEndpoint = CACloneEndpoint(remoteEndpoint);
487 ipData->data = (void *) OICMalloc(dataLength);
490 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
491 CAFreeIPData(ipData);
495 memcpy(ipData->data, data, dataLength);
496 ipData->dataLen = dataLength;
498 ipData->isMulticast = isMulticast;
503 void CAFreeIPData(CAIPData_t *ipData)
505 VERIFY_NON_NULL_VOID(ipData, TAG, "ipData is NULL");
507 CAFreeEndpoint(ipData->remoteEndpoint);
508 OICFree(ipData->data);
512 void CADataDestroyer(void *data, uint32_t size)
514 if (size < sizeof(CAIPData_t))
516 OIC_LOG_V(ERROR, TAG, "Destroy data too small %p %d", data, size);
518 CAIPData_t *etdata = (CAIPData_t *) data;
520 CAFreeIPData(etdata);
523 #endif // SINGLE_THREAD