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"
35 #include "uarraylist.h"
36 #include "caremotehandler.h"
38 #include "oic_malloc.h"
39 #include "oic_string.h"
42 * Logging tag for module name.
44 #define TAG "OIC_CA_IP_ADAP"
48 * Holds inter thread ip data information.
52 CAEndpoint_t *remoteEndpoint;
59 * Queue handle for Send Data.
61 static CAQueueingThread_t *g_sendQueueHandle = NULL;
65 * Network Packet Received Callback to CA.
67 static CANetworkPacketReceivedCallback g_networkPacketCallback = NULL;
70 * Network Changed Callback to CA.
72 static CAAdapterChangeCallback g_networkChangeCallback = NULL;
75 * error Callback to CA adapter.
77 static CAErrorHandleCallback g_errorCallback = NULL;
79 static CAResult_t CAIPPacketReceivedCB(const CASecureEndpoint_t *endpoint,
80 const void *data, size_t dataLength);
82 static ssize_t CAIPPacketSendCB(CAEndpoint_t *endpoint,
83 const void *data, size_t dataLength);
88 static CAResult_t CAIPInitializeQueueHandles();
90 static void CAIPDeinitializeQueueHandles();
92 static void CAIPSendDataThread(void *threadData);
94 static CAIPData_t *CACreateIPData(const CAEndpoint_t *remoteEndpoint,
95 const void *data, uint32_t dataLength,
98 void CAFreeIPData(CAIPData_t *ipData);
100 static void CADataDestroyer(void *data, uint32_t size);
102 CAResult_t CAIPInitializeQueueHandles()
104 // Check if the message queue is already initialized
105 if (g_sendQueueHandle)
107 OIC_LOG(DEBUG, TAG, "send queue handle is already initialized!");
111 // Create send message queue
112 g_sendQueueHandle = OICMalloc(sizeof(CAQueueingThread_t));
113 if (!g_sendQueueHandle)
115 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
116 return CA_MEMORY_ALLOC_FAILED;
119 if (CA_STATUS_OK != CAQueueingThreadInitialize(g_sendQueueHandle,
120 (const ca_thread_pool_t)caglobals.ip.threadpool,
121 CAIPSendDataThread, CADataDestroyer))
123 OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
124 OICFree(g_sendQueueHandle);
125 g_sendQueueHandle = NULL;
126 return CA_STATUS_FAILED;
132 void CAIPDeinitializeQueueHandles()
134 CAQueueingThreadDestroy(g_sendQueueHandle);
135 OICFree(g_sendQueueHandle);
136 g_sendQueueHandle = NULL;
139 #endif // SINGLE_THREAD
141 void CAIPAdapterHandler(CATransportAdapter_t adapter, CANetworkStatus_t status)
143 if (g_networkChangeCallback)
145 g_networkChangeCallback(adapter, status);
149 OIC_LOG(ERROR, TAG, "g_networkChangeCallback is NULL");
152 if (CA_INTERFACE_DOWN == status)
154 OIC_LOG(DEBUG, TAG, "Network status for IP is down");
156 CAResult_t res = CAQueueingThreadClearData(g_sendQueueHandle);
157 if (res != CA_STATUS_OK)
159 OIC_LOG_V(ERROR, TAG, "CAQueueingThreadClearData failed[%d]", res);
163 OIC_LOG(DEBUG, TAG, "close all ssl session");
164 CAcloseSslConnectionAll(CA_ADAPTER_IP);
170 static ssize_t CAIPPacketSendCB(CAEndpoint_t *endpoint, const void *data, size_t dataLength)
172 VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint is NULL", -1);
173 VERIFY_NON_NULL_RET(data, TAG, "data is NULL", -1);
175 CAIPSendData(endpoint, data, dataLength, false);
181 CAResult_t CAIPPacketReceivedCB(const CASecureEndpoint_t *sep, const void *data,
184 VERIFY_NON_NULL(sep, TAG, "sep is NULL");
185 VERIFY_NON_NULL(data, TAG, "data is NULL");
187 OIC_LOG_V(DEBUG, TAG, "Address: %s, port:%d", sep->endpoint.addr, sep->endpoint.port);
189 CAResult_t res = CA_STATUS_OK;
190 if (g_networkPacketCallback)
192 res = g_networkPacketCallback(sep, data, dataLength);
193 if (CA_STATUS_OK != res)
195 OIC_LOG(ERROR, TAG, "Error parsing CoAP data");
201 void CAIPErrorHandler(const CAEndpoint_t *endpoint, const void *data,
202 uint32_t dataLength, CAResult_t result)
204 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
205 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
209 g_errorCallback(endpoint, data, dataLength, result);
213 static void CAInitializeIPGlobals()
215 caglobals.ip.u6.fd = -1;
216 caglobals.ip.u6s.fd = -1;
217 caglobals.ip.u4.fd = -1;
218 caglobals.ip.u4s.fd = -1;
219 caglobals.ip.m6.fd = -1;
220 caglobals.ip.m6s.fd = -1;
221 caglobals.ip.m4.fd = -1;
222 caglobals.ip.m4s.fd = -1;
223 caglobals.ip.u6.port = 0;
224 caglobals.ip.u6s.port = 0;
225 caglobals.ip.u4.port = 0;
226 caglobals.ip.u4s.port = 0;
227 caglobals.ip.m6.port = CA_COAP;
228 caglobals.ip.m6s.port = CA_SECURE_COAP;
229 caglobals.ip.m4.port = CA_COAP;
230 caglobals.ip.m4s.port = CA_SECURE_COAP;
232 CATransportFlags_t flags = 0;
233 if (caglobals.client)
235 flags |= caglobals.clientFlags;
237 if (caglobals.server)
239 flags |= caglobals.serverFlags;
241 //TODO Enable once TizenRT supports IPv6
243 caglobals.ip.ipv6enabled = flags & CA_IPV6;
245 caglobals.ip.ipv4enabled = flags & CA_IPV4;
246 caglobals.ip.dualstack = caglobals.ip.ipv6enabled && caglobals.ip.ipv4enabled;
249 CAResult_t CAInitializeIP(CARegisterConnectivityCallback registerCallback,
250 CANetworkPacketReceivedCallback networkPacketCallback,
251 CAAdapterChangeCallback netCallback,
252 CAErrorHandleCallback errorCallback, ca_thread_pool_t handle)
254 OIC_LOG(DEBUG, TAG, "IN");
255 VERIFY_NON_NULL(registerCallback, TAG, "registerCallback");
256 VERIFY_NON_NULL(networkPacketCallback, TAG, "networkPacketCallback");
257 VERIFY_NON_NULL(netCallback, TAG, "netCallback");
258 #ifndef SINGLE_THREAD
259 VERIFY_NON_NULL(handle, TAG, "thread pool handle");
262 g_networkChangeCallback = netCallback;
263 g_networkPacketCallback = networkPacketCallback;
264 g_errorCallback = errorCallback;
266 CAInitializeIPGlobals();
267 caglobals.ip.threadpool = handle;
269 CAIPSetErrorHandler(CAIPErrorHandler);
270 CAIPSetPacketReceiveCallback(CAIPPacketReceivedCB);
273 CAsetSslAdapterCallbacks(CAIPPacketReceivedCB, CAIPPacketSendCB, CA_ADAPTER_IP);
276 static const CAConnectivityHandler_t ipHandler =
278 .startAdapter = CAStartIP,
279 .stopAdapter = CAStopIP,
280 .startListenServer = CAStartIPListeningServer,
281 .stopListenServer = CAStopIPListeningServer,
282 .startDiscoveryServer = CAStartIPDiscoveryServer,
283 .sendData = CASendIPUnicastData,
284 .sendDataToAll = CASendIPMulticastData,
285 .GetnetInfo = CAGetIPInterfaceInformation,
286 .readData = CAReadIPData,
287 .terminate = CATerminateIP,
288 .cType = CA_ADAPTER_IP
290 registerCallback(ipHandler);
292 OIC_LOG(INFO, TAG, "OUT IntializeIP is Success");
296 CAResult_t CAStartIP()
298 // Specific the port number received from application.
299 caglobals.ip.u6.port = caglobals.ports.udp.u6;
300 caglobals.ip.u6s.port = caglobals.ports.udp.u6s;
301 caglobals.ip.u4.port = caglobals.ports.udp.u4;
302 caglobals.ip.u4s.port = caglobals.ports.udp.u4s;
304 CAIPStartNetworkMonitor(CAIPAdapterHandler, CA_ADAPTER_IP);
306 uint16_t unicastPort = 55555;
307 // Address is hardcoded as we are using Single Interface
308 CAResult_t ret = CAIPStartServer();
309 if (CA_STATUS_OK != ret)
311 OIC_LOG_V(DEBUG, TAG, "CAIPStartServer failed[%d]", ret);
315 if (CA_STATUS_OK != CAIPInitializeQueueHandles())
317 OIC_LOG(ERROR, TAG, "Failed to Initialize Queue Handle");
319 return CA_STATUS_FAILED;
322 // Start send queue thread
324 if (CA_STATUS_OK != CAQueueingThreadStart(g_sendQueueHandle))
326 if (CA_STATUS_OK != CAQueueingThreadStart(g_sendQueueHandle, "IoT_IPSendQueue"))
329 OIC_LOG(ERROR, TAG, "Failed to Start Send Data Thread");
330 return CA_STATUS_FAILED;
333 CAResult_t ret = CAIPStartServer((const ca_thread_pool_t)caglobals.ip.threadpool);
334 if (CA_STATUS_OK != ret)
336 OIC_LOG_V(ERROR, TAG, "Failed to start server![%d]", ret);
345 CAResult_t CAStartIPListeningServer()
347 CAResult_t ret = CAIPStartListenServer();
348 if (CA_STATUS_OK != ret)
350 OIC_LOG_V(ERROR, TAG, "Failed to start listening server![%d]", ret);
357 CAResult_t CAStopIPListeningServer()
359 CAResult_t ret = CAIPStopListenServer();
360 if (CA_STATUS_OK != ret)
362 OIC_LOG_V(ERROR, TAG, "Failed to stop listening server![%d]", ret);
368 CAResult_t CAStartIPDiscoveryServer()
370 return CAStartIPListeningServer();
373 static int32_t CAQueueIPData(bool isMulticast, const CAEndpoint_t *endpoint,
374 const void *data, uint32_t dataLength)
376 VERIFY_NON_NULL_RET(endpoint, TAG, "remoteEndpoint", -1);
377 VERIFY_NON_NULL_RET(data, TAG, "data", -1);
381 OIC_LOG(ERROR, TAG, "Invalid Data Length");
387 CAIPSendData(endpoint, data, dataLength, isMulticast);
392 VERIFY_NON_NULL_RET(g_sendQueueHandle, TAG, "sendQueueHandle", -1);
393 // Create IPData to add to queue
394 CAIPData_t *ipData = CACreateIPData(endpoint, data, dataLength, isMulticast);
397 OIC_LOG(ERROR, TAG, "Failed to create ipData!");
400 // Add message to send queue
401 CAQueueingThreadAddData(g_sendQueueHandle, ipData, sizeof(CAIPData_t));
403 #endif // SINGLE_THREAD
408 int32_t CASendIPUnicastData(const CAEndpoint_t *endpoint,
409 const void *data, uint32_t dataLength,
410 CADataType_t dataType)
413 return CAQueueIPData(false, endpoint, data, dataLength);
416 int32_t CASendIPMulticastData(const CAEndpoint_t *endpoint, const void *data, uint32_t dataLength,
417 CADataType_t dataType)
420 return CAQueueIPData(true, endpoint, data, dataLength);
423 CAResult_t CAReadIPData()
429 CAResult_t CAStopIP()
431 #ifndef SINGLE_THREAD
432 if (g_sendQueueHandle && g_sendQueueHandle->threadMutex)
434 CAQueueingThreadStop(g_sendQueueHandle);
438 CAIPStopNetworkMonitor(CA_ADAPTER_IP);
440 //Re-initializing the Globals to start them again
441 CAInitializeIPGlobals();
449 CAsetSslAdapterCallbacks(NULL, NULL, CA_ADAPTER_IP);
452 CAIPSetPacketReceiveCallback(NULL);
454 #ifndef SINGLE_THREAD
455 CAIPDeinitializeQueueHandles();
459 #ifndef SINGLE_THREAD
461 void CAIPSendDataThread(void *threadData)
463 CAIPData_t *ipData = (CAIPData_t *) threadData;
466 OIC_LOG(DEBUG, TAG, "Invalid ip data!");
470 if (ipData->isMulticast)
472 //Processing for sending multicast
473 OIC_LOG(DEBUG, TAG, "Send Multicast Data is called");
474 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, true);
478 //Processing for sending unicast
480 if (ipData->remoteEndpoint && ipData->remoteEndpoint->flags & CA_SECURE)
482 OIC_LOG(INFO, TAG, "DTLS encrypt called");
483 CAResult_t result = CAencryptSsl(ipData->remoteEndpoint, ipData->data, ipData->dataLen);
484 if (CA_STATUS_OK != result)
486 OIC_LOG(ERROR, TAG, "CAencryptSsl failed!");
488 OIC_LOG_V(INFO, TAG, "CAencryptSsl returned with result[%d]", result);
492 OIC_LOG(DEBUG, TAG, "Send Unicast Data is called");
493 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, false);
496 CAIPSendData(ipData->remoteEndpoint, ipData->data, ipData->dataLen, false);
503 #ifndef SINGLE_THREAD
504 CAIPData_t *CACreateIPData(const CAEndpoint_t *remoteEndpoint, const void *data,
505 uint32_t dataLength, bool isMulticast)
507 VERIFY_NON_NULL_RET(remoteEndpoint, TAG, "remoteEndpoint is NULL", NULL);
508 VERIFY_NON_NULL_RET(data, TAG, "IPData is NULL", NULL);
510 CAIPData_t *ipData = (CAIPData_t *) OICMalloc(sizeof(*ipData));
513 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
517 ipData->remoteEndpoint = CACloneEndpoint(remoteEndpoint);
518 ipData->data = (void *) OICMalloc(dataLength);
521 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
522 CAFreeIPData(ipData);
526 memcpy(ipData->data, data, dataLength);
527 ipData->dataLen = dataLength;
529 ipData->isMulticast = isMulticast;
534 void CAFreeIPData(CAIPData_t *ipData)
536 VERIFY_NON_NULL_VOID(ipData, TAG, "ipData is NULL");
538 CAFreeEndpoint(ipData->remoteEndpoint);
539 OICFree(ipData->data);
543 void CADataDestroyer(void *data, uint32_t size)
545 if (size < sizeof(CAIPData_t))
547 OIC_LOG_V(ERROR, TAG, "Destroy data too small %p %d", data, size);
549 CAIPData_t *etdata = (CAIPData_t *) data;
551 CAFreeIPData(etdata);
554 #endif // SINGLE_THREAD