1 /* ****************************************************************
3 * Copyright 2015 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 ******************************************************************/
26 #ifndef __STDC_FORMAT_MACROS
27 #define __STDC_FORMAT_MACROS
31 #include "cainterface.h"
32 #include "catcpadapter.h"
33 #include "catcpinterface.h"
34 #include "caqueueingthread.h"
35 #include "caadapterutils.h"
37 #include "uarraylist.h"
38 #include "caremotehandler.h"
40 #include "oic_malloc.h"
41 #include "oic_string.h"
44 * Logging tag for module name.
46 #define TAG "OIC_CA_TCP_ADAP"
49 * Holds internal thread TCP data information.
53 CAEndpoint_t *remoteEndpoint;
59 #define CA_TCP_LISTEN_BACKLOG 3
61 #define CA_TCP_SELECT_TIMEOUT 10
64 * Queue handle for Send Data.
66 static CAQueueingThread_t *g_sendQueueHandle = NULL;
69 * Network Packet Received Callback to CA.
71 static CANetworkPacketReceivedCallback g_networkPacketCallback = NULL;
74 * Network Changed Callback to CA.
76 static CANetworkChangeCallback g_networkChangeCallback = NULL;
79 * error Callback to CA adapter.
81 static CAErrorHandleCallback g_errorCallback = NULL;
83 static void CATCPPacketReceivedCB(const CASecureEndpoint_t *sep,
84 const void *data, uint32_t dataLength);
87 * KeepAlive Connected Callback to CA adapter.
89 static CAKeepAliveConnectedCallback g_connCallback = NULL;
92 * KeepAlive Disconnected Callback to CA adapter.
94 static CAKeepAliveDisconnectedCallback g_disconnCallback = NULL;
96 static CAResult_t CATCPInitializeQueueHandles();
98 static void CATCPDeinitializeQueueHandles();
100 static void CATCPSendDataThread(void *threadData);
102 static CATCPData *CACreateTCPData(const CAEndpoint_t *remoteEndpoint,
103 const void *data, size_t dataLength,
105 void CAFreeTCPData(CATCPData *ipData);
107 static void CADataDestroyer(void *data, uint32_t size);
109 CAResult_t CATCPInitializeQueueHandles()
111 // Check if the message queue is already initialized
112 if (g_sendQueueHandle)
114 OIC_LOG(DEBUG, TAG, "send queue handle is already initialized!");
118 // Create send message queue
119 g_sendQueueHandle = OICMalloc(sizeof(CAQueueingThread_t));
120 if (!g_sendQueueHandle)
122 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
123 return CA_MEMORY_ALLOC_FAILED;
126 if (CA_STATUS_OK != CAQueueingThreadInitialize(g_sendQueueHandle,
127 (const ca_thread_pool_t)caglobals.tcp.threadpool,
128 CATCPSendDataThread, CADataDestroyer))
130 OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
131 OICFree(g_sendQueueHandle);
132 g_sendQueueHandle = NULL;
133 return CA_STATUS_FAILED;
139 void CATCPDeinitializeQueueHandles()
141 CAQueueingThreadDestroy(g_sendQueueHandle);
142 OICFree(g_sendQueueHandle);
143 g_sendQueueHandle = NULL;
146 void CATCPConnectionStateCB(const char *ipAddress, CANetworkStatus_t status)
152 void CATCPPacketReceivedCB(const CASecureEndpoint_t *sep, const void *data,
155 VERIFY_NON_NULL_VOID(sep, TAG, "sep is NULL");
156 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
158 OIC_LOG_V(DEBUG, TAG, "Address: %s, port:%d", sep->endpoint.addr, sep->endpoint.port);
160 if (g_networkPacketCallback)
162 g_networkPacketCallback(sep, data, dataLength);
166 void CATCPErrorHandler(const CAEndpoint_t *endpoint, const void *data,
167 uint32_t dataLength, CAResult_t result)
169 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
170 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
174 g_errorCallback(endpoint, data, dataLength, result);
178 static void CATCPKeepAliveHandler(const char *addr, uint16_t port, bool isConnected)
180 CAEndpoint_t endpoint = { .adapter = CA_ADAPTER_TCP,
182 OICStrcpy(endpoint.addr, sizeof(endpoint.addr), addr);
186 g_connCallback(&endpoint);
190 g_disconnCallback(&endpoint);
194 void CATCPSetKeepAliveCallbacks(CAKeepAliveConnectedCallback ConnHandler,
195 CAKeepAliveDisconnectedCallback DisconnHandler)
197 g_connCallback = ConnHandler;
198 g_disconnCallback = DisconnHandler;
200 CATCPSetKeepAliveCallback(CATCPKeepAliveHandler);
203 static void CAInitializeTCPGlobals()
205 caglobals.tcp.selectTimeout = CA_TCP_SELECT_TIMEOUT;
206 caglobals.tcp.listenBacklog = CA_TCP_LISTEN_BACKLOG;
207 caglobals.tcp.svrlist = NULL;
209 CATransportFlags_t flags = 0;
210 if (caglobals.client)
212 flags |= caglobals.clientFlags;
214 if (caglobals.server)
216 flags |= caglobals.serverFlags;
219 caglobals.tcp.ipv4tcpenabled = flags & CA_IPV4;
222 CAResult_t CAInitializeTCP(CARegisterConnectivityCallback registerCallback,
223 CANetworkPacketReceivedCallback networkPacketCallback,
224 CANetworkChangeCallback netCallback,
225 CAErrorHandleCallback errorCallback, ca_thread_pool_t handle)
227 OIC_LOG(DEBUG, TAG, "IN");
228 VERIFY_NON_NULL(registerCallback, TAG, "registerCallback");
229 VERIFY_NON_NULL(networkPacketCallback, TAG, "networkPacketCallback");
230 VERIFY_NON_NULL(netCallback, TAG, "netCallback");
231 VERIFY_NON_NULL(handle, TAG, "thread pool handle");
233 g_networkChangeCallback = netCallback;
234 g_networkPacketCallback = networkPacketCallback;
235 g_errorCallback = errorCallback;
237 CAInitializeTCPGlobals();
238 caglobals.tcp.threadpool = handle;
240 CATCPSetPacketReceiveCallback(CATCPPacketReceivedCB);
241 CATCPSetErrorHandler(CATCPErrorHandler);
243 CAConnectivityHandler_t TCPHandler = {
244 .startAdapter = CAStartTCP,
245 .startListenServer = CAStartTCPListeningServer,
246 .stopListenServer = CAStopTCPListeningServer,
247 .startDiscoveryServer = CAStartTCPDiscoveryServer,
248 .sendData = CASendTCPUnicastData,
249 .sendDataToAll = CASendTCPMulticastData,
250 .GetnetInfo = CAGetTCPInterfaceInformation,
251 .readData = CAReadTCPData,
252 .stopAdapter = CAStopTCP,
253 .terminate = CATerminateTCP,
254 .cType = CA_ADAPTER_TCP};
256 registerCallback(TCPHandler);
258 OIC_LOG(INFO, TAG, "OUT IntializeTCP is Success");
262 CAResult_t CAStartTCP()
264 if (CA_STATUS_OK != CATCPInitializeQueueHandles())
266 OIC_LOG(ERROR, TAG, "Failed to Initialize Queue Handle");
268 return CA_STATUS_FAILED;
271 // Start send queue thread
272 if (CA_STATUS_OK != CAQueueingThreadStart(g_sendQueueHandle))
274 OIC_LOG(ERROR, TAG, "Failed to Start Send Data Thread");
275 return CA_STATUS_FAILED;
278 CAResult_t ret = CATCPStartServer((const ca_thread_pool_t)caglobals.tcp.threadpool);
279 if (CA_STATUS_OK != ret)
281 OIC_LOG_V(ERROR, TAG, "Failed to start server![%d]", ret);
288 CAResult_t CAStartTCPListeningServer()
293 CAResult_t CAStopTCPListeningServer()
298 CAResult_t CAStartTCPDiscoveryServer()
303 static size_t CAQueueTCPData(bool isMulticast, const CAEndpoint_t *endpoint,
304 const void *data, size_t dataLength)
306 VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", -1);
307 VERIFY_NON_NULL_RET(data, TAG, "data", -1);
311 OIC_LOG(ERROR, TAG, "Invalid Data Length");
315 VERIFY_NON_NULL_RET(g_sendQueueHandle, TAG, "sendQueueHandle", -1);
317 // Create TCPData to add to queue
318 CATCPData *tcpData = CACreateTCPData(endpoint, data, dataLength, isMulticast);
321 OIC_LOG(ERROR, TAG, "Failed to create ipData!");
324 // Add message to send queue
325 CAQueueingThreadAddData(g_sendQueueHandle, tcpData, sizeof(CATCPData));
330 int32_t CASendTCPUnicastData(const CAEndpoint_t *endpoint,
331 const void *data, uint32_t dataLength)
333 return CAQueueTCPData(false, endpoint, data, dataLength);
336 int32_t CASendTCPMulticastData(const CAEndpoint_t *endpoint,
337 const void *data, uint32_t dataLength)
339 return CAQueueTCPData(true, endpoint, data, dataLength);
342 CAResult_t CAReadTCPData()
347 CAResult_t CAStopTCP()
349 if (g_sendQueueHandle && g_sendQueueHandle->threadMutex)
351 CAQueueingThreadStop(g_sendQueueHandle);
356 //Re-initializing the Globals to start them again
357 CAInitializeTCPGlobals();
362 void CATerminateTCP()
364 CATCPSetPacketReceiveCallback(NULL);
366 CATCPDeinitializeQueueHandles();
369 void CATCPSendDataThread(void *threadData)
371 CATCPData *tcpData = (CATCPData *) threadData;
374 OIC_LOG(DEBUG, TAG, "Invalid TCP data!");
378 if (tcpData->isMulticast)
380 //Processing for sending multicast
381 OIC_LOG(DEBUG, TAG, "Send Multicast Data is called, not supported");
386 //Processing for sending unicast
387 CATCPSendData(tcpData->remoteEndpoint, tcpData->data, tcpData->dataLen, false);
391 CATCPData *CACreateTCPData(const CAEndpoint_t *remoteEndpoint, const void *data,
392 size_t dataLength, bool isMulticast)
394 VERIFY_NON_NULL_RET(remoteEndpoint, TAG, "remoteEndpoint is NULL", NULL);
395 VERIFY_NON_NULL_RET(data, TAG, "data is NULL", NULL);
397 CATCPData *tcpData = (CATCPData *) OICCalloc(1, sizeof(*tcpData));
400 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
404 tcpData->remoteEndpoint = CACloneEndpoint(remoteEndpoint);
405 tcpData->data = (void *) OICMalloc(dataLength);
408 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
409 CAFreeTCPData(tcpData);
413 memcpy(tcpData->data, data, dataLength);
414 tcpData->dataLen = dataLength;
416 tcpData->isMulticast = isMulticast;
421 void CAFreeTCPData(CATCPData *tcpData)
423 VERIFY_NON_NULL_VOID(tcpData, TAG, "tcpData is NULL");
425 CAFreeEndpoint(tcpData->remoteEndpoint);
426 OICFree(tcpData->data);
430 void CADataDestroyer(void *data, uint32_t size)
432 if (size < sizeof(CATCPData))
434 OIC_LOG_V(ERROR, TAG, "Destroy data too small %p %" PRIu32, data, size);
436 CATCPData *TCPData = (CATCPData *) data;
438 CAFreeTCPData(TCPData);