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.
43 #define TAG "OIC_CA_IP_ADAP"
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");
179 g_errorCallback(endpoint, data, dataLength, result);
183 static void CAInitializeIPGlobals()
185 caglobals.ip.u6.fd = -1;
186 caglobals.ip.u6s.fd = -1;
187 caglobals.ip.u4.fd = -1;
188 caglobals.ip.u4s.fd = -1;
189 caglobals.ip.m6.fd = -1;
190 caglobals.ip.m6s.fd = -1;
191 caglobals.ip.m4.fd = -1;
192 caglobals.ip.m4s.fd = -1;
193 caglobals.ip.u6.port = 0;
194 caglobals.ip.u6s.port = 0;
195 caglobals.ip.u4.port = 0;
196 caglobals.ip.u4s.port = 0;
197 caglobals.ip.m6.port = CA_COAP;
198 caglobals.ip.m6s.port = CA_SECURE_COAP;
199 caglobals.ip.m4.port = CA_COAP;
200 caglobals.ip.m4s.port = CA_SECURE_COAP;
202 CATransportFlags_t flags = 0;
203 if (caglobals.client)
205 flags |= caglobals.clientFlags;
207 if (caglobals.server)
209 flags |= caglobals.serverFlags;
211 caglobals.ip.ipv6enabled = flags & CA_IPV6;
212 caglobals.ip.ipv4enabled = flags & CA_IPV4;
213 caglobals.ip.dualstack = caglobals.ip.ipv6enabled && caglobals.ip.ipv4enabled;
216 CAResult_t CAInitializeIP(CARegisterConnectivityCallback registerCallback,
217 CANetworkPacketReceivedCallback networkPacketCallback,
218 CANetworkChangeCallback netCallback,
219 CAErrorHandleCallback errorCallback, ca_thread_pool_t handle)
221 OIC_LOG(DEBUG, TAG, "IN");
222 VERIFY_NON_NULL(registerCallback, TAG, "registerCallback");
223 VERIFY_NON_NULL(networkPacketCallback, TAG, "networkPacketCallback");
224 VERIFY_NON_NULL(netCallback, TAG, "netCallback");
225 #ifndef SINGLE_THREAD
226 VERIFY_NON_NULL(handle, TAG, "thread pool handle");
229 g_networkChangeCallback = netCallback;
230 g_networkPacketCallback = networkPacketCallback;
231 g_errorCallback = errorCallback;
233 CAInitializeIPGlobals();
234 caglobals.ip.threadpool = handle;
236 CAIPSetPacketReceiveCallback(CAIPPacketReceivedCB);
238 CAAdapterNetDtlsInit();
240 CADTLSSetAdapterCallbacks(CAIPPacketReceivedCB, CAIPPacketSendCB, 0);
243 static const CAConnectivityHandler_t ipHandler =
245 .startAdapter = CAStartIP,
246 .stopAdapter = CAStopIP,
247 .startListenServer = CAStartIPListeningServer,
248 .stopListenServer = CAStopIPListeningServer,
249 .startDiscoveryServer = CAStartIPDiscoveryServer,
250 .sendData = CASendIPUnicastData,
251 .sendDataToAll = CASendIPMulticastData,
252 .GetnetInfo = CAGetIPInterfaceInformation,
253 .readData = CAReadIPData,
254 .terminate = CATerminateIP,
255 .cType = CA_ADAPTER_IP
257 registerCallback(ipHandler);
259 OIC_LOG(INFO, TAG, "OUT IntializeIP is Success");
263 CAResult_t CAStartIP()
265 CAIPStartNetworkMonitor();
267 uint16_t unicastPort = 55555;
268 // Address is hardcoded as we are using Single Interface
269 CAResult_t ret = CAIPStartServer();
270 if (CA_STATUS_OK != ret)
272 OIC_LOG_V(DEBUG, TAG, "CAIPStartServer failed[%d]", ret);
276 if (CA_STATUS_OK != CAIPInitializeQueueHandles())
278 OIC_LOG(ERROR, TAG, "Failed to Initialize Queue Handle");
280 return CA_STATUS_FAILED;
283 // Start send queue thread
284 if (CA_STATUS_OK != CAQueueingThreadStart(g_sendQueueHandle))
286 OIC_LOG(ERROR, TAG, "Failed to Start Send Data Thread");
287 return CA_STATUS_FAILED;
290 CAResult_t ret = CAIPStartServer((const ca_thread_pool_t)caglobals.ip.threadpool);
291 if (CA_STATUS_OK != ret)
293 OIC_LOG_V(ERROR, TAG, "Failed to start server![%d]", ret);
302 CAResult_t CAStartIPListeningServer()
304 CAResult_t ret = CAIPStartListenServer();
305 if (CA_STATUS_OK != ret)
307 OIC_LOG_V(ERROR, TAG, "Failed to start listening server![%d]", ret);
314 CAResult_t CAStopIPListeningServer()
316 CAResult_t ret = CAIPStopListenServer();
317 if (CA_STATUS_OK != ret)
319 OIC_LOG_V(ERROR, TAG, "Failed to stop listening server![%d]", ret);
325 CAResult_t CAStartIPDiscoveryServer()
327 return CAStartIPListeningServer();
330 static int32_t CAQueueIPData(bool isMulticast, const CAEndpoint_t *endpoint,
331 const void *data, uint32_t dataLength)
333 VERIFY_NON_NULL_RET(endpoint, TAG, "remoteEndpoint", -1);
334 VERIFY_NON_NULL_RET(data, TAG, "data", -1);
338 OIC_LOG(ERROR, TAG, "Invalid Data Length");
344 CAIPSendData(endpoint, data, dataLength, isMulticast);
349 VERIFY_NON_NULL_RET(g_sendQueueHandle, TAG, "sendQueueHandle", -1);
350 // Create IPData to add to queue
351 CAIPData_t *ipData = CACreateIPData(endpoint, data, dataLength, isMulticast);
354 OIC_LOG(ERROR, TAG, "Failed to create ipData!");
357 // Add message to send queue
358 CAQueueingThreadAddData(g_sendQueueHandle, ipData, sizeof(CAIPData_t));
360 #endif // SINGLE_THREAD
365 int32_t CASendIPUnicastData(const CAEndpoint_t *endpoint,
366 const void *data, uint32_t dataLength)
368 return CAQueueIPData(false, endpoint, data, dataLength);
371 int32_t CASendIPMulticastData(const CAEndpoint_t *endpoint, const void *data, uint32_t dataLength)
373 return CAQueueIPData(true, endpoint, data, dataLength);
376 CAResult_t CAReadIPData()
382 CAResult_t CAStopIP()
385 CAAdapterNetDtlsDeInit();
388 #ifndef SINGLE_THREAD
389 if (g_sendQueueHandle && g_sendQueueHandle->threadMutex)
391 CAQueueingThreadStop(g_sendQueueHandle);
395 CAIPStopNetworkMonitor();
397 //Re-initializing the Globals to start them again
398 CAInitializeIPGlobals();
406 CADTLSSetAdapterCallbacks(NULL, NULL, 0);
409 CAIPSetPacketReceiveCallback(NULL);
411 #ifndef SINGLE_THREAD
412 CADeInitializeIPGlobals();
413 CAIPDeinitializeQueueHandles();
417 #ifndef SINGLE_THREAD
419 void CAIPSendDataThread(void *threadData)
421 CAIPData_t *ipData = (CAIPData_t *) threadData;
424 OIC_LOG(DEBUG, TAG, "Invalid ip data!");
428 if (ipData->isMulticast)
430 //Processing for sending multicast
431 OIC_LOG(DEBUG, TAG, "Send Multicast Data is called");
432 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, true);
436 //Processing for sending unicast
438 if (ipData->remoteEndpoint && ipData->remoteEndpoint->flags & CA_SECURE)
440 OIC_LOG(DEBUG, TAG, "CAAdapterNetDtlsEncrypt called!");
441 CAResult_t result = CAAdapterNetDtlsEncrypt(ipData->remoteEndpoint,
442 ipData->data, ipData->dataLen);
443 if (CA_STATUS_OK != result)
445 OIC_LOG(ERROR, TAG, "CAAdapterNetDtlsEncrypt failed!");
447 OIC_LOG_V(DEBUG, TAG,
448 "CAAdapterNetDtlsEncrypt returned with result[%d]", result);
452 OIC_LOG(DEBUG, TAG, "Send Unicast Data is called");
453 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, false);
456 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, false);
463 #ifndef SINGLE_THREAD
464 CAIPData_t *CACreateIPData(const CAEndpoint_t *remoteEndpoint, const void *data,
465 uint32_t dataLength, bool isMulticast)
467 VERIFY_NON_NULL_RET(remoteEndpoint, TAG, "remoteEndpoint is NULL", NULL);
468 VERIFY_NON_NULL_RET(data, TAG, "IPData is NULL", NULL);
470 CAIPData_t *ipData = (CAIPData_t *) OICMalloc(sizeof(*ipData));
473 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
477 ipData->remoteEndpoint = CACloneEndpoint(remoteEndpoint);
478 ipData->data = (void *) OICMalloc(dataLength);
481 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
482 CAFreeIPData(ipData);
486 memcpy(ipData->data, data, dataLength);
487 ipData->dataLen = dataLength;
489 ipData->isMulticast = isMulticast;
494 void CAFreeIPData(CAIPData_t *ipData)
496 VERIFY_NON_NULL_VOID(ipData, TAG, "ipData is NULL");
498 CAFreeEndpoint(ipData->remoteEndpoint);
499 OICFree(ipData->data);
503 void CADataDestroyer(void *data, uint32_t size)
505 if (size < sizeof(CAIPData_t))
507 OIC_LOG_V(ERROR, TAG, "Destroy data too small %p %d", data, size);
509 CAIPData_t *etdata = (CAIPData_t *) data;
511 CAFreeIPData(etdata);
514 #endif // SINGLE_THREAD