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 ******************************************************************/
26 #include "cainterface.h"
27 #include "camessagehandler.h"
28 #include "caremotehandler.h"
29 #include "caprotocolmessage.h"
31 #include "config.h" /* for coap protocol */
32 #include "oic_malloc.h"
33 #include "canetworkconfigurator.h"
34 #include "caadapterutils.h"
35 #include "cainterfacecontroller.h"
36 #include "caretransmission.h"
39 #include "cablockwisetransfer.h"
44 #include "cathreadpool.h" /* for thread pool */
45 #include "caqueueingthread.h"
48 #define MAX_THREAD_POOL_SIZE 20
51 static ca_thread_pool_t g_threadPoolHandle = NULL;
53 // message handler main thread
54 static CAQueueingThread_t g_sendThread;
55 static CAQueueingThread_t g_receiveThread;
58 #define CA_MAX_RT_ARRAY_SIZE 3
59 #endif // SINGLE_THREAD
61 #define TAG "OIC_CA_MSG_HANDLE"
63 static CARetransmission_t g_retransmissionContext;
66 static CARequestCallback g_requestHandler = NULL;
67 static CAResponseCallback g_responseHandler = NULL;
68 static CAErrorCallback g_errorHandler = NULL;
69 static CANetworkMonitorCallback g_nwMonitorHandler = NULL;
71 static void CAErrorHandler(const CAEndpoint_t *endpoint,
72 const void *data, uint32_t dataLen,
75 static CAData_t* CAGenerateHandlerData(const CAEndpoint_t *endpoint,
76 const CARemoteId_t *identity,
77 const void *data, CADataType_t dataType);
79 static void CASendErrorInfo(const CAEndpoint_t *endpoint, const CAInfo_t *info,
83 static void CAProcessReceivedData(CAData_t *data);
85 static void CADestroyData(void *data, uint32_t size);
86 static void CALogPayloadInfo(CAInfo_t *info);
87 static bool CADropSecondMessage(CAHistory_t *history, const CAEndpoint_t *endpoint, uint16_t id,
88 CAToken_t token, uint8_t tokenLength);
91 void CAAddDataToSendThread(CAData_t *data)
93 VERIFY_NON_NULL_VOID(data, TAG, "data");
96 CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
99 void CAAddDataToReceiveThread(CAData_t *data)
101 VERIFY_NON_NULL_VOID(data, TAG, "data");
104 CAQueueingThreadAddData(&g_receiveThread, data, sizeof(CAData_t));
108 static bool CAIsSelectedNetworkAvailable()
110 u_arraylist_t *list = CAGetSelectedNetworkList();
111 if (!list || u_arraylist_length(list) == 0)
113 OIC_LOG(ERROR, TAG, "No selected network");
120 static CAData_t* CAGenerateHandlerData(const CAEndpoint_t *endpoint,
121 const CARemoteId_t *identity,
122 const void *data, CADataType_t dataType)
124 OIC_LOG(DEBUG, TAG, "CAGenerateHandlerData IN");
125 CAInfo_t *info = NULL;
126 CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
129 OIC_LOG(ERROR, TAG, "memory allocation failed");
133 CAEndpoint_t* ep = CACloneEndpoint(endpoint);
136 OIC_LOG(ERROR, TAG, "endpoint clone failed");
141 OIC_LOG_V(DEBUG, TAG, "address : %s", ep->addr);
144 if(CA_RESPONSE_DATA == dataType)
146 CAResponseInfo_t* resInfo = (CAResponseInfo_t*)OICCalloc(1, sizeof(CAResponseInfo_t));
149 OIC_LOG(ERROR, TAG, "memory allocation failed");
155 result = CAGetResponseInfoFromPDU(data, resInfo, endpoint);
156 if (CA_STATUS_OK != result)
158 OIC_LOG(ERROR, TAG, "CAGetResponseInfoFromPDU Failed");
160 CADestroyResponseInfoInternal(resInfo);
164 cadata->responseInfo = resInfo;
165 info = &resInfo->info;
168 info->identity = *identity;
170 OIC_LOG(DEBUG, TAG, "Response Info :");
171 CALogPayloadInfo(info);
173 else if (CA_REQUEST_DATA == dataType)
175 CARequestInfo_t* reqInfo = (CARequestInfo_t*)OICCalloc(1, sizeof(CARequestInfo_t));
178 OIC_LOG(ERROR, TAG, "memory allocation failed");
184 result = CAGetRequestInfoFromPDU(data, endpoint, reqInfo);
185 if (CA_STATUS_OK != result)
187 OIC_LOG(ERROR, TAG, "CAGetRequestInfoFromPDU failed");
189 CADestroyRequestInfoInternal(reqInfo);
194 if (CADropSecondMessage(&caglobals.ca.requestHistory, endpoint, reqInfo->info.messageId,
195 reqInfo->info.token, reqInfo->info.tokenLength))
197 OIC_LOG(ERROR, TAG, "Second Request with same Token, Drop it");
199 CADestroyRequestInfoInternal(reqInfo);
204 cadata->requestInfo = reqInfo;
205 info = &reqInfo->info;
208 info->identity = *identity;
210 OIC_LOG(DEBUG, TAG, "Request Info :");
211 CALogPayloadInfo(info);
213 else if (CA_ERROR_DATA == dataType)
215 CAErrorInfo_t *errorInfo = (CAErrorInfo_t *)OICCalloc(1, sizeof (CAErrorInfo_t));
218 OIC_LOG(ERROR, TAG, "Memory allocation failed!");
224 CAResult_t result = CAGetErrorInfoFromPDU(data, endpoint, errorInfo);
225 if (CA_STATUS_OK != result)
227 OIC_LOG(ERROR, TAG, "CAGetErrorInfoFromPDU failed");
234 cadata->errorInfo = errorInfo;
235 info = &errorInfo->info;
238 info->identity = *identity;
240 OIC_LOG(DEBUG, TAG, "error Info :");
241 CALogPayloadInfo(info);
244 cadata->remoteEndpoint = ep;
245 cadata->dataType = dataType;
247 OIC_LOG(DEBUG, TAG, "CAGenerateHandlerData OUT");
251 static void CATimeoutCallback(const CAEndpoint_t *endpoint, const void *pdu, uint32_t size)
253 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint");
254 VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
256 CAEndpoint_t* ep = CACloneEndpoint(endpoint);
259 OIC_LOG(ERROR, TAG, "clone failed");
263 CAResponseInfo_t* resInfo = (CAResponseInfo_t*)OICCalloc(1, sizeof(CAResponseInfo_t));
267 OIC_LOG(ERROR, TAG, "calloc failed");
272 resInfo->result = CA_RETRANSMIT_TIMEOUT;
273 resInfo->info.type = CAGetMessageTypeFromPduBinaryData(pdu, size);
274 resInfo->info.messageId = CAGetMessageIdFromPduBinaryData(pdu, size);
276 CAResult_t res = CAGetTokenFromPDU((const coap_hdr_t *) pdu, &(resInfo->info),
278 if (CA_STATUS_OK != res)
280 OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
281 CADestroyResponseInfoInternal(resInfo);
286 CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
289 OIC_LOG(ERROR, TAG, "memory allocation failed !");
291 CADestroyResponseInfoInternal(resInfo);
295 cadata->type = SEND_TYPE_UNICAST;
296 cadata->remoteEndpoint = ep;
297 cadata->requestInfo = NULL;
298 cadata->responseInfo = resInfo;
301 CAProcessReceivedData(cadata);
303 CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
307 static void CADestroyData(void *data, uint32_t size)
309 OIC_LOG(DEBUG, TAG, "CADestroyData IN");
310 if ((size_t)size < sizeof(CAData_t))
312 OIC_LOG_V(ERROR, TAG, "Destroy data too small %p %d", data, size);
314 CAData_t *cadata = (CAData_t *) data;
318 OIC_LOG(ERROR, TAG, "cadata is NULL");
322 if (NULL != cadata->remoteEndpoint)
324 CAFreeEndpoint(cadata->remoteEndpoint);
327 if (NULL != cadata->requestInfo)
329 CADestroyRequestInfoInternal((CARequestInfo_t *) cadata->requestInfo);
332 if (NULL != cadata->responseInfo)
334 CADestroyResponseInfoInternal((CAResponseInfo_t *) cadata->responseInfo);
337 if (NULL != cadata->errorInfo)
339 CADestroyErrorInfoInternal(cadata->errorInfo);
343 OIC_LOG(DEBUG, TAG, "CADestroyData OUT");
347 static void CAProcessReceivedData(CAData_t *data)
349 OIC_LOG(DEBUG, TAG, "CAProcessReceivedData IN");
352 OIC_LOG(ERROR, TAG, "thread data error!!");
356 // parse the data and call the callbacks.
359 CAEndpoint_t *rep = (CAEndpoint_t *)(data->remoteEndpoint);
362 OIC_LOG(ERROR, TAG, "remoteEndpoint error!!");
366 if (data->requestInfo && g_requestHandler)
368 g_requestHandler(rep, data->requestInfo);
370 else if (data->responseInfo && g_responseHandler)
372 g_responseHandler(rep, data->responseInfo);
374 else if (data->errorInfo && g_errorHandler)
376 g_errorHandler(rep, data->errorInfo);
379 CADestroyData(data, sizeof(CAData_t));
381 OIC_LOG(DEBUG, TAG, "CAProcessReceivedData OUT");
385 #ifndef SINGLE_THREAD
386 static void CAReceiveThreadProcess(void *threadData)
388 #ifndef SINGLE_HANDLE
389 CAData_t *data = (CAData_t *) threadData;
390 CAProcessReceivedData(data);
395 #endif // SINGLE_THREAD
397 static CAResult_t CAProcessMulticastData(const CAData_t *data)
399 VERIFY_NON_NULL(data, TAG, "data");
400 VERIFY_NON_NULL(data->remoteEndpoint, TAG, "remoteEndpoint");
402 coap_pdu_t *pdu = NULL;
403 CAInfo_t *info = NULL;
404 coap_list_t *options = NULL;
405 coap_transport_type transport;
406 CAResult_t res = CA_SEND_FAILED;
407 if (NULL != data->requestInfo)
409 OIC_LOG(DEBUG, TAG, "requestInfo is available..");
411 info = &data->requestInfo->info;
412 pdu = CAGeneratePDU(CA_GET, info, data->remoteEndpoint, &options, &transport);
417 if (CA_ADAPTER_GATT_BTLE != data->remoteEndpoint->adapter
419 && !CAIsSupportedCoAPOverTCP(data->remoteEndpoint->adapter)
423 // Blockwise transfer
424 res = CAAddBlockOption(&pdu, info, data->remoteEndpoint, &options);
425 if (CA_STATUS_OK != res)
427 OIC_LOG(DEBUG, TAG, "CAAddBlockOption has failed");
435 OIC_LOG(ERROR,TAG,"Failed to generate multicast PDU");
436 CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
440 else if (NULL != data->responseInfo)
442 OIC_LOG(DEBUG, TAG, "responseInfo is available..");
444 info = &data->responseInfo->info;
445 pdu = CAGeneratePDU(data->responseInfo->result, info, data->remoteEndpoint,
446 &options, &transport);
451 if (CA_ADAPTER_GATT_BTLE != data->remoteEndpoint->adapter
453 && !CAIsSupportedCoAPOverTCP(data->remoteEndpoint->adapter)
457 // Blockwise transfer
460 res = CAAddBlockOption(&pdu, info, data->remoteEndpoint, &options);
461 if (CA_STATUS_OK != res)
463 OIC_LOG(INFO, TAG, "to write block option has failed");
472 OIC_LOG(ERROR,TAG,"Failed to generate multicast PDU");
473 CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
479 OIC_LOG(ERROR, TAG, "request or response info is empty");
483 CALogPDUInfo(pdu, data->remoteEndpoint);
485 OIC_LOG(DEBUG, TAG, "pdu to send :");
486 OIC_LOG_BUFFER(DEBUG, TAG, (uint8_t*)pdu->hdr, pdu->length);
488 res = CASendMulticastData(data->remoteEndpoint, pdu->hdr, pdu->length);
489 if (CA_STATUS_OK != res)
491 OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
495 coap_delete_list(options);
496 coap_delete_pdu(pdu);
500 CAErrorHandler(data->remoteEndpoint, pdu->hdr, pdu->length, res);
501 coap_delete_list(options);
502 coap_delete_pdu(pdu);
506 static CAResult_t CAProcessSendData(const CAData_t *data)
508 VERIFY_NON_NULL(data, TAG, "data");
509 VERIFY_NON_NULL(data->remoteEndpoint, TAG, "remoteEndpoint");
511 CAResult_t res = CA_STATUS_FAILED;
513 CASendDataType_t type = data->type;
515 coap_pdu_t *pdu = NULL;
516 CAInfo_t *info = NULL;
517 coap_list_t *options = NULL;
518 coap_transport_type transport;
520 if (SEND_TYPE_UNICAST == type)
522 OIC_LOG(DEBUG,TAG,"Unicast message");
523 #ifdef ROUTING_GATEWAY
525 * When forwarding a packet, do not attempt retransmission as its the responsibility of
526 * packet originator node
528 bool skipRetransmission = false;
531 if (NULL != data->requestInfo)
533 OIC_LOG(DEBUG, TAG, "requestInfo is available..");
535 info = &data->requestInfo->info;
536 #ifdef ROUTING_GATEWAY
537 skipRetransmission = data->requestInfo->info.skipRetransmission;
539 pdu = CAGeneratePDU(data->requestInfo->method, info, data->remoteEndpoint,
540 &options, &transport);
542 else if (NULL != data->responseInfo)
544 OIC_LOG(DEBUG, TAG, "responseInfo is available..");
546 info = &data->responseInfo->info;
547 #ifdef ROUTING_GATEWAY
548 skipRetransmission = data->responseInfo->info.skipRetransmission;
550 pdu = CAGeneratePDU(data->responseInfo->result, info, data->remoteEndpoint,
551 &options, &transport);
555 OIC_LOG(DEBUG, TAG, "request info, response info is empty");
556 return CA_STATUS_INVALID_PARAM;
559 // interface controller function call.
563 if (CA_ADAPTER_GATT_BTLE != data->remoteEndpoint->adapter
565 && !CAIsSupportedCoAPOverTCP(data->remoteEndpoint->adapter)
569 // Blockwise transfer
572 CAResult_t res = CAAddBlockOption(&pdu, info,
573 data->remoteEndpoint,
575 if (CA_STATUS_OK != res)
577 OIC_LOG(INFO, TAG, "to write block option has failed");
578 CAErrorHandler(data->remoteEndpoint, pdu->hdr, pdu->length, res);
579 coap_delete_list(options);
580 coap_delete_pdu(pdu);
586 CALogPDUInfo(pdu, data->remoteEndpoint);
588 res = CASendUnicastData(data->remoteEndpoint, pdu->hdr, pdu->length);
589 if (CA_STATUS_OK != res)
591 OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
592 CAErrorHandler(data->remoteEndpoint, pdu->hdr, pdu->length, res);
593 coap_delete_list(options);
594 coap_delete_pdu(pdu);
599 if (CAIsSupportedCoAPOverTCP(data->remoteEndpoint->adapter))
601 OIC_LOG(INFO, TAG, "retransmission will be not worked");
605 #ifdef ROUTING_GATEWAY
606 if(!skipRetransmission)
609 // for retransmission
610 res = CARetransmissionSentData(&g_retransmissionContext, data->remoteEndpoint,
611 pdu->hdr, pdu->length);
612 if ((CA_STATUS_OK != res) && (CA_NOT_SUPPORTED != res))
614 //when retransmission not supported this will return CA_NOT_SUPPORTED, ignore
615 OIC_LOG_V(INFO, TAG, "retransmission is not enabled due to error, res : %d", res);
616 coap_delete_list(options);
617 coap_delete_pdu(pdu);
622 coap_delete_list(options);
623 coap_delete_pdu(pdu);
627 OIC_LOG(ERROR,TAG,"Failed to generate unicast PDU");
628 CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
629 return CA_SEND_FAILED;
632 else if (SEND_TYPE_MULTICAST == type)
634 OIC_LOG(DEBUG,TAG,"Multicast message");
637 * If CoAP over TCP is enabled, the CoAP pdu wont be same for IP and other adapters.
638 * That's why we need to generate two pdu's, one for IP and second for other transports.
639 * Two possible cases we might have to split: a) when adapter is CA_DEFAULT_ADAPTER
640 * b) when one of the adapter is IP adapter(ex: CA_ADAPTER_IP | CA_ADAPTER_GATT_BTLE)
642 if (data->remoteEndpoint->adapter == CA_DEFAULT_ADAPTER ||
643 (CA_ADAPTER_IP & data->remoteEndpoint->adapter &&
644 CA_ADAPTER_IP != data->remoteEndpoint->adapter))
646 if (data->remoteEndpoint->adapter == CA_DEFAULT_ADAPTER)
648 data->remoteEndpoint->adapter = CA_ALL_ADAPTERS ^ CA_ADAPTER_IP;
652 data->remoteEndpoint->adapter = data->remoteEndpoint->adapter ^ CA_ADAPTER_IP;
654 CAProcessMulticastData(data);
655 data->remoteEndpoint->adapter = CA_ADAPTER_IP;
656 CAProcessMulticastData(data);
660 CAProcessMulticastData(data);
663 CAProcessMulticastData(data);
670 #ifndef SINGLE_THREAD
671 static void CASendThreadProcess(void *threadData)
673 CAData_t *data = (CAData_t *) threadData;
674 CAProcessSendData(data);
679 * If a second message arrives with the same message ID, token and the other address
680 * family, drop it. Typically, IPv6 beats IPv4, so the IPv4 message is dropped.
682 static bool CADropSecondMessage(CAHistory_t *history, const CAEndpoint_t *ep, uint16_t id,
683 CAToken_t token, uint8_t tokenLength)
689 if (ep->adapter != CA_ADAPTER_IP)
693 if (!caglobals.ip.dualstack)
698 if (tokenLength > CA_MAX_TOKEN_LEN)
701 * If token length is more than CA_MAX_TOKEN_LEN,
702 * we compare the first CA_MAX_TOKEN_LEN bytes only.
704 tokenLength = CA_MAX_TOKEN_LEN;
708 CATransportFlags_t familyFlags = ep->flags & CA_IPFAMILY_MASK;
710 for (size_t i = 0; i < sizeof(history->items) / sizeof(history->items[0]); i++)
712 CAHistoryItem_t *item = &(history->items[i]);
713 if (id == item->messageId && tokenLength == item->tokenLength
714 && memcmp(item->token, token, tokenLength) == 0)
716 if ((familyFlags ^ item->flags) == CA_IPFAMILY_MASK)
718 OIC_LOG_V(INFO, TAG, "IPv%c duplicate message ignored",
719 familyFlags & CA_IPV6 ? '6' : '4');
726 history->items[history->nextIndex].flags = familyFlags;
727 history->items[history->nextIndex].messageId = id;
728 if (token && tokenLength)
730 memcpy(history->items[history->nextIndex].token, token, tokenLength);
731 history->items[history->nextIndex].tokenLength = tokenLength;
734 if (++history->nextIndex >= HISTORYSIZE)
736 history->nextIndex = 0;
742 static void CAReceivedPacketCallback(const CASecureEndpoint_t *sep,
743 const void *data, uint32_t dataLen)
745 VERIFY_NON_NULL_VOID(sep, TAG, "remoteEndpoint");
746 VERIFY_NON_NULL_VOID(data, TAG, "data");
748 OIC_LOG(DEBUG, TAG, "received pdu data :");
749 OIC_LOG_BUFFER(DEBUG, TAG, data, dataLen);
751 uint32_t code = CA_NOT_FOUND;
752 CAData_t *cadata = NULL;
754 coap_pdu_t *pdu = (coap_pdu_t *) CAParsePDU((const char *) data, dataLen, &code,
758 OIC_LOG(ERROR, TAG, "Parse PDU failed");
762 OIC_LOG_V(DEBUG, TAG, "code = %d", code);
763 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
765 cadata = CAGenerateHandlerData(&(sep->endpoint), &(sep->identity), pdu, CA_REQUEST_DATA);
768 OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, CAGenerateHandlerData failed!");
769 coap_delete_pdu(pdu);
775 cadata = CAGenerateHandlerData(&(sep->endpoint), &(sep->identity), pdu, CA_RESPONSE_DATA);
778 OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, CAGenerateHandlerData failed!");
779 coap_delete_pdu(pdu);
784 if (CAIsSupportedCoAPOverTCP(sep->endpoint.adapter))
786 OIC_LOG(INFO, TAG, "retransmission is not supported");
791 // for retransmission
792 void *retransmissionPdu = NULL;
793 CARetransmissionReceivedData(&g_retransmissionContext, cadata->remoteEndpoint, pdu->hdr,
794 pdu->length, &retransmissionPdu);
797 // get token from saved data in retransmission list
798 if (retransmissionPdu && CA_EMPTY == code)
800 if (cadata->responseInfo)
802 CAInfo_t *info = &cadata->responseInfo->info;
803 CAResult_t res = CAGetTokenFromPDU((const coap_hdr_t *)retransmissionPdu,
804 info, &(sep->endpoint));
805 if (CA_STATUS_OK != res)
807 OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
808 OICFree(info->token);
809 info->tokenLength = 0;
814 OICFree(retransmissionPdu);
818 cadata->type = SEND_TYPE_UNICAST;
821 CAProcessReceivedData(cadata);
824 if (CA_ADAPTER_GATT_BTLE != sep->endpoint.adapter
826 && !CAIsSupportedCoAPOverTCP(sep->endpoint.adapter)
830 CAResult_t res = CAReceiveBlockWiseData(pdu, &(sep->endpoint), cadata, dataLen);
831 if (CA_NOT_SUPPORTED == res || CA_REQUEST_TIMEOUT == res)
833 OIC_LOG(ERROR, TAG, "this message does not have block option");
834 CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
838 CADestroyData(cadata, sizeof(CAData_t));
844 CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
846 #endif // SINGLE_THREAD
848 coap_delete_pdu(pdu);
851 static void CANetworkChangedCallback(const CAEndpoint_t *info, CANetworkStatus_t status)
856 if (g_nwMonitorHandler)
858 g_nwMonitorHandler(info, status);
862 void CAHandleRequestResponseCallbacks()
866 CARetransmissionBaseRoutine((void *)&g_retransmissionContext);
869 // parse the data and call the callbacks.
873 ca_mutex_lock(g_receiveThread.threadMutex);
875 u_queue_message_t *item = u_queue_get_element(g_receiveThread.dataQueue);
877 ca_mutex_unlock(g_receiveThread.threadMutex);
879 if (NULL == item || NULL == item->msg)
885 CAData_t *td = (CAData_t *) item->msg;
887 if (td->requestInfo && g_requestHandler)
889 OIC_LOG_V(DEBUG, TAG, "request callback : %d", td->requestInfo->info.numOptions);
890 g_requestHandler(td->remoteEndpoint, td->requestInfo);
892 else if (td->responseInfo && g_responseHandler)
894 OIC_LOG_V(DEBUG, TAG, "response callback : %d", td->responseInfo->info.numOptions);
895 g_responseHandler(td->remoteEndpoint, td->responseInfo);
897 else if (td->errorInfo && g_errorHandler)
899 OIC_LOG_V(DEBUG, TAG, "error callback error: %d", td->errorInfo->result);
900 g_errorHandler(td->remoteEndpoint, td->errorInfo);
903 CADestroyData(item->msg, sizeof(CAData_t));
906 #endif // SINGLE_HANDLE
907 #endif // SINGLE_THREAD
910 static CAData_t* CAPrepareSendData(const CAEndpoint_t *endpoint, const void *sendData,
911 CADataType_t dataType)
913 OIC_LOG(DEBUG, TAG, "CAPrepareSendData IN");
915 CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
918 OIC_LOG(ERROR, TAG, "memory allocation failed");
922 if(CA_REQUEST_DATA == dataType)
924 // clone request info
925 CARequestInfo_t *request = CACloneRequestInfo((CARequestInfo_t *)sendData);
929 OIC_LOG(ERROR, TAG, "CACloneRequestInfo failed");
933 cadata->type = request->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
934 cadata->requestInfo = request;
936 else if(CA_RESPONSE_DATA == dataType)
938 // clone response info
939 CAResponseInfo_t *response = CACloneResponseInfo((CAResponseInfo_t *)sendData);
943 OIC_LOG(ERROR, TAG, "CACloneResponseInfo failed");
947 cadata->type = response->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
948 cadata->responseInfo = response;
952 OIC_LOG(ERROR, TAG, "CAPrepareSendData unknown data type");
956 CAEndpoint_t* ep = CACloneEndpoint(endpoint);
959 OIC_LOG(ERROR, TAG, "endpoint clone failed");
960 CADestroyData(cadata, sizeof(CAData_t));
964 cadata->remoteEndpoint = ep;
965 cadata->dataType = dataType;
973 CAResult_t CADetachSendMessage(const CAEndpoint_t *endpoint, const void *sendMsg,
974 CADataType_t dataType)
976 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
977 VERIFY_NON_NULL(sendMsg, TAG, "sendMsg");
979 if (false == CAIsSelectedNetworkAvailable())
981 return CA_STATUS_FAILED;
985 // If max retransmission queue is reached, then don't handle new request
986 if (CA_MAX_RT_ARRAY_SIZE == u_arraylist_length(g_retransmissionContext.dataList))
988 OIC_LOG(ERROR, TAG, "max RT queue size reached!");
989 return CA_SEND_FAILED;
993 CAData_t *data = CAPrepareSendData(endpoint, sendMsg, dataType);
996 OIC_LOG(ERROR, TAG, "CAPrepareSendData failed");
997 return CA_MEMORY_ALLOC_FAILED;
1000 #ifdef SINGLE_THREAD
1001 CAResult_t result = CAProcessSendData(data);
1002 if(CA_STATUS_OK != result)
1004 OIC_LOG(ERROR, TAG, "CAProcessSendData failed");
1005 CADestroyData(data, sizeof(CAData_t));
1009 CADestroyData(data, sizeof(CAData_t));
1012 if (CA_ADAPTER_GATT_BTLE != endpoint->adapter
1014 && !CAIsSupportedCoAPOverTCP(data->remoteEndpoint->adapter)
1019 CAResult_t res = CASendBlockWiseData(data);
1020 if(CA_NOT_SUPPORTED == res)
1022 OIC_LOG(DEBUG, TAG, "normal msg will be sent");
1023 CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
1024 return CA_STATUS_OK;
1028 CADestroyData(data, sizeof(CAData_t));
1035 CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
1037 #endif // SINGLE_THREAD
1039 return CA_STATUS_OK;
1042 void CASetInterfaceCallbacks(CARequestCallback ReqHandler, CAResponseCallback RespHandler,
1043 CAErrorCallback errorHandler)
1045 g_requestHandler = ReqHandler;
1046 g_responseHandler = RespHandler;
1047 g_errorHandler = errorHandler;
1050 void CASetNetworkMonitorCallback(CANetworkMonitorCallback nwMonitorHandler)
1052 g_nwMonitorHandler = nwMonitorHandler;
1055 CAResult_t CAInitializeMessageHandler()
1057 CASetPacketReceivedCallback(CAReceivedPacketCallback);
1059 CASetNetworkChangeCallback(CANetworkChangedCallback);
1060 CASetErrorHandleCallback(CAErrorHandler);
1062 #ifndef SINGLE_THREAD
1063 // create thread pool
1064 CAResult_t res = ca_thread_pool_init(MAX_THREAD_POOL_SIZE, &g_threadPoolHandle);
1065 if (CA_STATUS_OK != res)
1067 OIC_LOG(ERROR, TAG, "thread pool initialize error.");
1071 // send thread initialize
1072 res = CAQueueingThreadInitialize(&g_sendThread, g_threadPoolHandle,
1073 CASendThreadProcess, CADestroyData);
1074 if (CA_STATUS_OK != res)
1076 OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
1077 ca_thread_pool_free(g_threadPoolHandle);
1078 g_threadPoolHandle = NULL;
1082 // start send thread
1083 res = CAQueueingThreadStart(&g_sendThread);
1084 if (CA_STATUS_OK != res)
1086 OIC_LOG(ERROR, TAG, "thread start error(send thread).");
1087 ca_thread_pool_free(g_threadPoolHandle);
1088 g_threadPoolHandle = NULL;
1089 CAQueueingThreadDestroy(&g_sendThread);
1093 // receive thread initialize
1094 res = CAQueueingThreadInitialize(&g_receiveThread, g_threadPoolHandle,
1095 CAReceiveThreadProcess, CADestroyData);
1096 if (CA_STATUS_OK != res)
1098 OIC_LOG(ERROR, TAG, "Failed to Initialize receive queue thread");
1099 ca_thread_pool_free(g_threadPoolHandle);
1100 g_threadPoolHandle = NULL;
1101 CAQueueingThreadDestroy(&g_sendThread);
1105 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1106 // start receive thread
1107 res = CAQueueingThreadStart(&g_receiveThread);
1108 if (CA_STATUS_OK != res)
1110 OIC_LOG(ERROR, TAG, "thread start error(receive thread).");
1111 ca_thread_pool_free(g_threadPoolHandle);
1112 g_threadPoolHandle = NULL;
1113 CAQueueingThreadDestroy(&g_sendThread);
1114 CAQueueingThreadDestroy(&g_receiveThread);
1117 #endif // SINGLE_HANDLE
1119 // retransmission initialize
1120 res = CARetransmissionInitialize(&g_retransmissionContext, g_threadPoolHandle,
1121 CASendUnicastData, CATimeoutCallback, NULL);
1122 if (CA_STATUS_OK != res)
1124 OIC_LOG(ERROR, TAG, "Failed to Initialize Retransmission.");
1125 ca_thread_pool_free(g_threadPoolHandle);
1126 g_threadPoolHandle = NULL;
1127 CAQueueingThreadDestroy(&g_sendThread);
1128 CAQueueingThreadDestroy(&g_receiveThread);
1133 // block-wise transfer initialize
1134 res = CAInitializeBlockWiseTransfer(CAAddDataToSendThread, CAAddDataToReceiveThread);
1135 if (CA_STATUS_OK != res)
1137 OIC_LOG(ERROR, TAG, "Failed to Initialize BlockWiseTransfer.");
1138 ca_thread_pool_free(g_threadPoolHandle);
1139 g_threadPoolHandle = NULL;
1140 CAQueueingThreadDestroy(&g_sendThread);
1141 CAQueueingThreadDestroy(&g_receiveThread);
1142 CARetransmissionDestroy(&g_retransmissionContext);
1147 // start retransmission
1148 res = CARetransmissionStart(&g_retransmissionContext);
1149 if (CA_STATUS_OK != res)
1151 OIC_LOG(ERROR, TAG, "thread start error(retransmission thread).");
1152 ca_thread_pool_free(g_threadPoolHandle);
1153 g_threadPoolHandle = NULL;
1154 CAQueueingThreadDestroy(&g_sendThread);
1155 CAQueueingThreadDestroy(&g_receiveThread);
1156 CARetransmissionDestroy(&g_retransmissionContext);
1160 // initialize interface adapters by controller
1161 CAInitializeAdapters(g_threadPoolHandle);
1163 // retransmission initialize
1164 CAResult_t res = CARetransmissionInitialize(&g_retransmissionContext, NULL, CASendUnicastData,
1165 CATimeoutCallback, NULL);
1166 if (CA_STATUS_OK != res)
1168 OIC_LOG(ERROR, TAG, "Failed to Initialize Retransmission.");
1172 CAInitializeAdapters();
1173 #endif // SINGLE_THREAD
1175 return CA_STATUS_OK;
1178 void CATerminateMessageHandler()
1180 #ifndef SINGLE_THREAD
1181 CATransportAdapter_t connType;
1182 u_arraylist_t *list = CAGetSelectedNetworkList();
1183 uint32_t length = u_arraylist_length(list);
1186 for (i = 0; i < length; i++)
1188 void* ptrType = u_arraylist_get(list, i);
1190 if (NULL == ptrType)
1195 connType = *(CATransportAdapter_t *)ptrType;
1196 CAStopAdapter(connType);
1199 // stop retransmission
1200 if (NULL != g_retransmissionContext.threadMutex)
1202 CARetransmissionStop(&g_retransmissionContext);
1206 // delete thread data
1207 if (NULL != g_sendThread.threadMutex)
1209 CAQueueingThreadStop(&g_sendThread);
1213 // delete thread data
1214 if (NULL != g_receiveThread.threadMutex)
1216 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1217 CAQueueingThreadStop(&g_receiveThread);
1221 // destroy thread pool
1222 if (NULL != g_threadPoolHandle)
1224 ca_thread_pool_free(g_threadPoolHandle);
1225 g_threadPoolHandle = NULL;
1229 CATerminateBlockWiseTransfer();
1231 CARetransmissionDestroy(&g_retransmissionContext);
1232 CAQueueingThreadDestroy(&g_sendThread);
1233 CAQueueingThreadDestroy(&g_receiveThread);
1235 // terminate interface adapters by controller
1236 CATerminateAdapters();
1238 // terminate interface adapters by controller
1239 CATerminateAdapters();
1241 // stop retransmission
1242 CARetransmissionStop(&g_retransmissionContext);
1243 CARetransmissionDestroy(&g_retransmissionContext);
1244 #endif // SINGLE_THREAD
1247 void CALogPDUInfo(coap_pdu_t *pdu, const CAEndpoint_t *endpoint)
1249 VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
1250 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint");
1252 OIC_LOG_V(DEBUG, TAG, "PDU Maker - payload : %s", pdu->data);
1255 if (CAIsSupportedCoAPOverTCP(endpoint->adapter))
1257 OIC_LOG(DEBUG, TAG, "pdu header data :");
1258 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) pdu->hdr, pdu->length);
1263 OIC_LOG_V(DEBUG, TAG, "PDU Maker - type : %d", pdu->hdr->coap_hdr_udp_t.type);
1265 OIC_LOG_V(DEBUG, TAG, "PDU Maker - code : %d", pdu->hdr->coap_hdr_udp_t.code);
1267 OIC_LOG(DEBUG, TAG, "PDU Maker - token :");
1269 OIC_LOG_BUFFER(DEBUG, TAG, pdu->hdr->coap_hdr_udp_t.token,
1270 pdu->hdr->coap_hdr_udp_t.token_length);
1274 static void CALogPayloadInfo(CAInfo_t *info)
1280 for (uint32_t i = 0; i < info->numOptions; i++)
1282 OIC_LOG_V(DEBUG, TAG, "optionID: %u", info->options[i].optionID);
1284 OIC_LOG_V(DEBUG, TAG, "list: %s", info->options[i].optionData);
1290 OIC_LOG_V(DEBUG, TAG, "payload: %p(%zu)", info->payload,
1296 OIC_LOG(DEBUG, TAG, "token:");
1297 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) info->token,
1300 OIC_LOG_V(DEBUG, TAG, "msgID: %u", info->messageId);
1304 OIC_LOG(DEBUG, TAG, "info is NULL, cannot output log data");
1308 void CAErrorHandler(const CAEndpoint_t *endpoint,
1309 const void *data, uint32_t dataLen,
1312 OIC_LOG(DEBUG, TAG, "CAErrorHandler IN");
1314 #ifndef SINGLE_THREAD
1315 VERIFY_NON_NULL_VOID(endpoint, TAG, "remoteEndpoint");
1316 VERIFY_NON_NULL_VOID(data, TAG, "data");
1318 uint32_t code = CA_NOT_FOUND;
1319 //Do not free remoteEndpoint and data. Currently they will be freed in data thread
1321 coap_pdu_t *pdu = (coap_pdu_t *)CAParsePDU((const char *)data, dataLen, &code, endpoint);
1324 OIC_LOG(ERROR, TAG, "Parse PDU failed");
1328 CAData_t *cadata = CAGenerateHandlerData(endpoint, NULL, pdu, CA_ERROR_DATA);
1331 OIC_LOG(ERROR, TAG, "CAErrorHandler, CAGenerateHandlerData failed!");
1332 coap_delete_pdu(pdu);
1336 cadata->errorInfo->result = result;
1338 CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
1339 coap_delete_pdu(pdu);
1342 OIC_LOG(DEBUG, TAG, "CAErrorHandler OUT");
1346 static void CASendErrorInfo(const CAEndpoint_t *endpoint, const CAInfo_t *info, CAResult_t result)
1348 OIC_LOG(DEBUG, TAG, "CASendErrorInfo IN");
1349 #ifndef SINGLE_THREAD
1350 CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
1353 OIC_LOG(ERROR, TAG, "cadata memory allocation failed");
1357 CAEndpoint_t* ep = CACloneEndpoint(endpoint);
1360 OIC_LOG(ERROR, TAG, "endpoint clone failed");
1365 CAErrorInfo_t *errorInfo = (CAErrorInfo_t *)OICCalloc(1, sizeof (CAErrorInfo_t));
1368 OIC_LOG(ERROR, TAG, "errorInfo memory allocation failed");
1374 CAResult_t res = CACloneInfo(info, &errorInfo->info);
1375 if (CA_STATUS_OK != res)
1377 OIC_LOG(ERROR, TAG, "info clone failed");
1384 errorInfo->result = result;
1385 cadata->remoteEndpoint = ep;
1386 cadata->errorInfo = errorInfo;
1387 cadata->dataType = CA_ERROR_DATA;
1389 CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
1391 OIC_LOG(DEBUG, TAG, "CASendErrorInfo OUT");