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 "caipnwmonitor.h"
28 #include "caipinterface.h"
29 #include "caqueueingthread.h"
30 #include "caadapterutils.h"
32 #include "ca_adapter_net_ssl.h"
34 #include "catcpinterface.h"
39 #include "uarraylist.h"
40 #include "caremotehandler.h"
42 #include "oic_malloc.h"
43 #include "oic_string.h"
46 * Logging tag for module name.
48 #define TAG "OIC_CA_IP_ADAP"
52 * Holds inter thread ip data information.
56 CAEndpoint_t *remoteEndpoint;
63 * Queue handle for Send Data.
65 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 CAAdapterChangeCallback g_networkChangeCallback = NULL;
79 * error Callback to CA adapter.
81 static CAErrorHandleCallback g_errorCallback = NULL;
83 static CAResult_t CAIPPacketReceivedCB(const CASecureEndpoint_t *endpoint,
84 const void *data, size_t dataLength);
86 static ssize_t CAIPPacketSendCB(CAEndpoint_t *endpoint,
87 const void *data, size_t dataLength);
92 static CAResult_t CAIPInitializeQueueHandles();
94 static void CAIPDeinitializeQueueHandles();
96 static void CAIPSendDataThread(void *threadData);
98 static CAIPData_t *CACreateIPData(const CAEndpoint_t *remoteEndpoint,
99 const void *data, uint32_t dataLength,
102 void CAFreeIPData(CAIPData_t *ipData);
104 static void CADataDestroyer(void *data, uint32_t size);
106 CAResult_t CAIPInitializeQueueHandles()
108 // Check if the message queue is already initialized
109 if (g_sendQueueHandle)
111 OIC_LOG(DEBUG, TAG, "send queue handle is already initialized!");
115 // Create send message queue
116 g_sendQueueHandle = OICMalloc(sizeof(CAQueueingThread_t));
117 if (!g_sendQueueHandle)
119 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
120 return CA_MEMORY_ALLOC_FAILED;
123 if (CA_STATUS_OK != CAQueueingThreadInitialize(g_sendQueueHandle,
124 (const ca_thread_pool_t)caglobals.ip.threadpool,
125 CAIPSendDataThread, CADataDestroyer))
127 OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
128 OICFree(g_sendQueueHandle);
129 g_sendQueueHandle = NULL;
130 return CA_STATUS_FAILED;
136 void CAIPDeinitializeQueueHandles()
138 CAQueueingThreadDestroy(g_sendQueueHandle);
139 OICFree(g_sendQueueHandle);
140 g_sendQueueHandle = NULL;
143 #endif // SINGLE_THREAD
145 void CAIPAdapterHandler(CATransportAdapter_t adapter, CANetworkStatus_t status)
147 if (g_networkChangeCallback)
149 g_networkChangeCallback(adapter, status);
153 OIC_LOG(ERROR, TAG, "g_networkChangeCallback is NULL");
156 if (CA_INTERFACE_DOWN == status)
158 OIC_LOG(DEBUG, TAG, "Network status for IP is down");
160 CAResult_t res = CAQueueingThreadClearData(g_sendQueueHandle);
161 if (res != CA_STATUS_OK)
163 OIC_LOG_V(ERROR, TAG, "CAQueueingThreadClearData failed[%d]", res);
168 CATCPCloseInProgressConnections();
170 OIC_LOG(DEBUG, TAG, "close all ssl session");
171 CAcloseSslConnectionAll(CA_ADAPTER_IP);
177 static ssize_t CAIPPacketSendCB(CAEndpoint_t *endpoint, const void *data, size_t dataLength)
179 VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint is NULL", -1);
180 VERIFY_NON_NULL_RET(data, TAG, "data is NULL", -1);
182 CAIPSendData(endpoint, data, dataLength, false);
188 CAResult_t CAIPPacketReceivedCB(const CASecureEndpoint_t *sep, const void *data,
191 VERIFY_NON_NULL(sep, TAG, "sep is NULL");
192 VERIFY_NON_NULL(data, TAG, "data is NULL");
194 OIC_LOG_V(DEBUG, TAG, "Address: %s, port:%d", sep->endpoint.addr, sep->endpoint.port);
196 CAResult_t res = CA_STATUS_OK;
197 if (g_networkPacketCallback)
199 res = g_networkPacketCallback(sep, data, dataLength);
200 if (CA_STATUS_OK != res)
202 OIC_LOG(ERROR, TAG, "Error parsing CoAP data");
208 void CAIPErrorHandler(const CAEndpoint_t *endpoint, const void *data,
209 uint32_t dataLength, CAResult_t result)
211 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
212 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
216 g_errorCallback(endpoint, data, dataLength, result);
220 static void CAInitializeIPGlobals()
222 caglobals.ip.u6.fd = -1;
223 caglobals.ip.u6s.fd = -1;
224 caglobals.ip.u4.fd = -1;
225 caglobals.ip.u4s.fd = -1;
226 caglobals.ip.m6.fd = -1;
227 caglobals.ip.m6s.fd = -1;
228 caglobals.ip.m4.fd = -1;
229 caglobals.ip.m4s.fd = -1;
230 caglobals.ip.u6.port = 0;
231 caglobals.ip.u6s.port = 0;
232 caglobals.ip.u4.port = 0;
233 caglobals.ip.u4s.port = 0;
234 caglobals.ip.m6.port = CA_COAP;
235 caglobals.ip.m6s.port = CA_SECURE_COAP;
236 caglobals.ip.m4.port = CA_COAP;
237 caglobals.ip.m4s.port = CA_SECURE_COAP;
239 CATransportFlags_t flags = 0;
240 if (caglobals.client)
242 flags |= caglobals.clientFlags;
244 if (caglobals.server)
246 flags |= caglobals.serverFlags;
248 //TODO Enable once TizenRT supports IPv6
250 caglobals.ip.ipv6enabled = flags & CA_IPV6;
252 caglobals.ip.ipv4enabled = flags & CA_IPV4;
253 caglobals.ip.dualstack = caglobals.ip.ipv6enabled && caglobals.ip.ipv4enabled;
256 CAResult_t CAInitializeIP(CARegisterConnectivityCallback registerCallback,
257 CANetworkPacketReceivedCallback networkPacketCallback,
258 CAAdapterChangeCallback netCallback,
259 CAErrorHandleCallback errorCallback, ca_thread_pool_t handle)
261 OIC_LOG(DEBUG, TAG, "IN");
262 VERIFY_NON_NULL(registerCallback, TAG, "registerCallback");
263 VERIFY_NON_NULL(networkPacketCallback, TAG, "networkPacketCallback");
264 VERIFY_NON_NULL(netCallback, TAG, "netCallback");
265 #ifndef SINGLE_THREAD
266 VERIFY_NON_NULL(handle, TAG, "thread pool handle");
269 g_networkChangeCallback = netCallback;
270 g_networkPacketCallback = networkPacketCallback;
271 g_errorCallback = errorCallback;
273 CAInitializeIPGlobals();
274 caglobals.ip.threadpool = handle;
276 CAIPSetErrorHandler(CAIPErrorHandler);
277 CAIPSetPacketReceiveCallback((CAIPPacketReceivedCallback)CAIPPacketReceivedCB);
280 CAsetSslAdapterCallbacks(CAIPPacketReceivedCB, CAIPPacketSendCB, CA_ADAPTER_IP);
283 static const CAConnectivityHandler_t ipHandler =
285 .startAdapter = CAStartIP,
286 .stopAdapter = CAStopIP,
287 .startListenServer = CAStartIPListeningServer,
288 .stopListenServer = CAStopIPListeningServer,
289 .startDiscoveryServer = CAStartIPDiscoveryServer,
290 .sendData = CASendIPUnicastData,
291 .sendDataToAll = CASendIPMulticastData,
292 .GetnetInfo = CAGetIPInterfaceInformation,
293 .readData = CAReadIPData,
294 .terminate = CATerminateIP,
295 .cType = CA_ADAPTER_IP
297 registerCallback(ipHandler);
299 OIC_LOG(INFO, TAG, "OUT IntializeIP is Success");
303 CAResult_t CAStartIP()
305 // Specific the port number received from application.
306 caglobals.ip.u6.port = caglobals.ports.udp.u6;
307 caglobals.ip.u6s.port = caglobals.ports.udp.u6s;
308 caglobals.ip.u4.port = caglobals.ports.udp.u4;
309 caglobals.ip.u4s.port = caglobals.ports.udp.u4s;
311 CAIPStartNetworkMonitor(CAIPAdapterHandler, CA_ADAPTER_IP);
313 uint16_t unicastPort = 55555;
314 // Address is hardcoded as we are using Single Interface
315 CAResult_t ret = CAIPStartServer();
316 if (CA_STATUS_OK != ret)
318 OIC_LOG_V(DEBUG, TAG, "CAIPStartServer failed[%d]", ret);
322 if (CA_STATUS_OK != CAIPInitializeQueueHandles())
324 OIC_LOG(ERROR, TAG, "Failed to Initialize Queue Handle");
326 return CA_STATUS_FAILED;
329 // Start send queue thread
331 if (CA_STATUS_OK != CAQueueingThreadStart(g_sendQueueHandle))
333 if (CA_STATUS_OK != CAQueueingThreadStart(g_sendQueueHandle, "IoT_IPSendQueue"))
336 OIC_LOG(ERROR, TAG, "Failed to Start Send Data Thread");
337 return CA_STATUS_FAILED;
340 CAResult_t ret = CAIPStartServer((const ca_thread_pool_t)caglobals.ip.threadpool);
341 if (CA_STATUS_OK != ret)
343 OIC_LOG_V(ERROR, TAG, "Failed to start server![%d]", ret);
352 CAResult_t CAStartIPListeningServer()
354 CAResult_t ret = CAIPStartListenServer();
355 if (CA_STATUS_OK != ret)
357 OIC_LOG_V(ERROR, TAG, "Failed to start listening server![%d]", ret);
364 CAResult_t CAStopIPListeningServer()
366 CAResult_t ret = CAIPStopListenServer();
367 if (CA_STATUS_OK != ret)
369 OIC_LOG_V(ERROR, TAG, "Failed to stop listening server![%d]", ret);
375 CAResult_t CAStartIPDiscoveryServer()
377 return CAStartIPListeningServer();
380 static int32_t CAQueueIPData(bool isMulticast, const CAEndpoint_t *endpoint,
381 const void *data, uint32_t dataLength)
383 VERIFY_NON_NULL_RET(endpoint, TAG, "remoteEndpoint", -1);
384 VERIFY_NON_NULL_RET(data, TAG, "data", -1);
388 OIC_LOG(ERROR, TAG, "Invalid Data Length");
394 CAIPSendData(endpoint, data, dataLength, isMulticast);
399 VERIFY_NON_NULL_RET(g_sendQueueHandle, TAG, "sendQueueHandle", -1);
400 // Create IPData to add to queue
401 CAIPData_t *ipData = CACreateIPData(endpoint, data, dataLength, isMulticast);
404 OIC_LOG(ERROR, TAG, "Failed to create ipData!");
407 // Add message to send queue
408 CAQueueingThreadAddData(g_sendQueueHandle, ipData, sizeof(CAIPData_t));
410 #endif // SINGLE_THREAD
415 int32_t CASendIPUnicastData(const CAEndpoint_t *endpoint,
416 const void *data, uint32_t dataLength,
417 CADataType_t dataType)
420 return CAQueueIPData(false, endpoint, data, dataLength);
423 int32_t CASendIPMulticastData(const CAEndpoint_t *endpoint, const void *data, uint32_t dataLength,
424 CADataType_t dataType)
427 return CAQueueIPData(true, endpoint, data, dataLength);
430 CAResult_t CAReadIPData()
436 CAResult_t CAStopIP()
438 #ifndef SINGLE_THREAD
439 if (g_sendQueueHandle && g_sendQueueHandle->threadMutex)
441 CAQueueingThreadStop(g_sendQueueHandle);
445 CAIPStopNetworkMonitor(CA_ADAPTER_IP);
447 //Re-initializing the Globals to start them again
448 CAInitializeIPGlobals();
456 CAsetSslAdapterCallbacks(NULL, NULL, CA_ADAPTER_IP);
459 CAIPSetPacketReceiveCallback(NULL);
461 #ifndef SINGLE_THREAD
462 CAIPDeinitializeQueueHandles();
466 #ifndef SINGLE_THREAD
468 void CAIPSendDataThread(void *threadData)
470 CAIPData_t *ipData = (CAIPData_t *) threadData;
473 OIC_LOG(DEBUG, TAG, "Invalid ip data!");
477 if (ipData->isMulticast)
479 //Processing for sending multicast
480 OIC_LOG(DEBUG, TAG, "Send Multicast Data is called");
481 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, true);
485 //Processing for sending unicast
487 if (ipData->remoteEndpoint && ipData->remoteEndpoint->flags & CA_SECURE)
489 OIC_LOG(INFO, TAG, "DTLS encrypt called");
490 CAResult_t result = CAencryptSsl(ipData->remoteEndpoint, ipData->data, ipData->dataLen);
491 if (CA_STATUS_OK != result)
493 OIC_LOG(ERROR, TAG, "CAencryptSsl failed!");
495 OIC_LOG_V(INFO, TAG, "CAencryptSsl returned with result[%d]", result);
499 OIC_LOG(DEBUG, TAG, "Send Unicast Data is called");
500 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, false);
503 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, false);
510 #ifndef SINGLE_THREAD
511 CAIPData_t *CACreateIPData(const CAEndpoint_t *remoteEndpoint, const void *data,
512 uint32_t dataLength, bool isMulticast)
514 VERIFY_NON_NULL_RET(remoteEndpoint, TAG, "remoteEndpoint is NULL", NULL);
515 VERIFY_NON_NULL_RET(data, TAG, "IPData is NULL", NULL);
517 CAIPData_t *ipData = (CAIPData_t *) OICMalloc(sizeof(*ipData));
520 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
524 ipData->remoteEndpoint = CACloneEndpoint(remoteEndpoint);
525 ipData->data = (void *) OICMalloc(dataLength);
528 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
529 CAFreeIPData(ipData);
533 memcpy(ipData->data, data, dataLength);
534 ipData->dataLen = dataLength;
536 ipData->isMulticast = isMulticast;
541 void CAFreeIPData(CAIPData_t *ipData)
543 VERIFY_NON_NULL_VOID(ipData, TAG, "ipData is NULL");
545 CAFreeEndpoint(ipData->remoteEndpoint);
546 OICFree(ipData->data);
550 void CADataDestroyer(void *data, uint32_t size)
552 if (size < sizeof(CAIPData_t))
554 OIC_LOG_V(ERROR, TAG, "Destroy data too small %p %d", data, size);
556 CAIPData_t *etdata = (CAIPData_t *) data;
558 CAFreeIPData(etdata);
561 #endif // SINGLE_THREAD