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 if (CAIsSupportedBlockwiseTransfer(endpoint->adapter))
303 res = CARemoveBlockDataFromListWithSeed(resInfo->info.token, resInfo->info.tokenLength,
305 if (CA_STATUS_OK != res)
307 OIC_LOG(ERROR, TAG, "CARemoveBlockDataFromListWithSeed failed");
313 CAProcessReceivedData(cadata);
315 CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
319 static void CADestroyData(void *data, uint32_t size)
321 OIC_LOG(DEBUG, TAG, "CADestroyData IN");
322 if ((size_t)size < sizeof(CAData_t))
324 OIC_LOG_V(ERROR, TAG, "Destroy data too small %p %d", data, size);
326 CAData_t *cadata = (CAData_t *) data;
330 OIC_LOG(ERROR, TAG, "cadata is NULL");
334 if (NULL != cadata->remoteEndpoint)
336 CAFreeEndpoint(cadata->remoteEndpoint);
339 if (NULL != cadata->requestInfo)
341 CADestroyRequestInfoInternal((CARequestInfo_t *) cadata->requestInfo);
344 if (NULL != cadata->responseInfo)
346 CADestroyResponseInfoInternal((CAResponseInfo_t *) cadata->responseInfo);
349 if (NULL != cadata->errorInfo)
351 CADestroyErrorInfoInternal(cadata->errorInfo);
355 OIC_LOG(DEBUG, TAG, "CADestroyData OUT");
359 static void CAProcessReceivedData(CAData_t *data)
361 OIC_LOG(DEBUG, TAG, "CAProcessReceivedData IN");
364 OIC_LOG(ERROR, TAG, "thread data error!!");
368 // parse the data and call the callbacks.
371 CAEndpoint_t *rep = (CAEndpoint_t *)(data->remoteEndpoint);
374 OIC_LOG(ERROR, TAG, "remoteEndpoint error!!");
378 if (data->requestInfo && g_requestHandler)
380 g_requestHandler(rep, data->requestInfo);
382 else if (data->responseInfo && g_responseHandler)
384 g_responseHandler(rep, data->responseInfo);
386 else if (data->errorInfo && g_errorHandler)
388 g_errorHandler(rep, data->errorInfo);
391 CADestroyData(data, sizeof(CAData_t));
393 OIC_LOG(DEBUG, TAG, "CAProcessReceivedData OUT");
397 #ifndef SINGLE_THREAD
398 static void CAReceiveThreadProcess(void *threadData)
400 #ifndef SINGLE_HANDLE
401 CAData_t *data = (CAData_t *) threadData;
402 CAProcessReceivedData(data);
407 #endif // SINGLE_THREAD
409 static CAResult_t CAProcessMulticastData(const CAData_t *data)
411 VERIFY_NON_NULL(data, TAG, "data");
412 VERIFY_NON_NULL(data->remoteEndpoint, TAG, "remoteEndpoint");
414 coap_pdu_t *pdu = NULL;
415 CAInfo_t *info = NULL;
416 coap_list_t *options = NULL;
417 coap_transport_type transport;
418 CAResult_t res = CA_SEND_FAILED;
419 if (NULL != data->requestInfo)
421 OIC_LOG(DEBUG, TAG, "requestInfo is available..");
423 info = &data->requestInfo->info;
424 pdu = CAGeneratePDU(CA_GET, info, data->remoteEndpoint, &options, &transport);
429 if (CAIsSupportedBlockwiseTransfer(data->remoteEndpoint->adapter))
431 // Blockwise transfer
432 res = CAAddBlockOption(&pdu, info, data->remoteEndpoint, &options);
433 if (CA_STATUS_OK != res)
435 OIC_LOG(DEBUG, TAG, "CAAddBlockOption has failed");
443 OIC_LOG(ERROR,TAG,"Failed to generate multicast PDU");
444 CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
448 else if (NULL != data->responseInfo)
450 OIC_LOG(DEBUG, TAG, "responseInfo is available..");
452 info = &data->responseInfo->info;
453 pdu = CAGeneratePDU(data->responseInfo->result, info, data->remoteEndpoint,
454 &options, &transport);
459 if (CAIsSupportedBlockwiseTransfer(data->remoteEndpoint->adapter))
461 // Blockwise transfer
464 res = CAAddBlockOption(&pdu, info, data->remoteEndpoint, &options);
465 if (CA_STATUS_OK != res)
467 OIC_LOG(INFO, TAG, "to write block option has failed");
476 OIC_LOG(ERROR,TAG,"Failed to generate multicast PDU");
477 CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
483 OIC_LOG(ERROR, TAG, "request or response info is empty");
487 CALogPDUInfo(pdu, data->remoteEndpoint);
489 OIC_LOG(DEBUG, TAG, "pdu to send :");
490 OIC_LOG_BUFFER(DEBUG, TAG, (uint8_t*)pdu->hdr, pdu->length);
492 res = CASendMulticastData(data->remoteEndpoint, pdu->hdr, pdu->length);
493 if (CA_STATUS_OK != res)
495 OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
499 coap_delete_list(options);
500 coap_delete_pdu(pdu);
504 CAErrorHandler(data->remoteEndpoint, pdu->hdr, pdu->length, res);
505 coap_delete_list(options);
506 coap_delete_pdu(pdu);
510 static CAResult_t CAProcessSendData(const CAData_t *data)
512 VERIFY_NON_NULL(data, TAG, "data");
513 VERIFY_NON_NULL(data->remoteEndpoint, TAG, "remoteEndpoint");
515 CAResult_t res = CA_STATUS_FAILED;
517 CASendDataType_t type = data->type;
519 coap_pdu_t *pdu = NULL;
520 CAInfo_t *info = NULL;
521 coap_list_t *options = NULL;
522 coap_transport_type transport;
524 if (SEND_TYPE_UNICAST == type)
526 OIC_LOG(DEBUG,TAG,"Unicast message");
527 #ifdef ROUTING_GATEWAY
529 * When forwarding a packet, do not attempt retransmission as its the responsibility of
530 * packet originator node
532 bool skipRetransmission = false;
535 if (NULL != data->requestInfo)
537 OIC_LOG(DEBUG, TAG, "requestInfo is available..");
539 info = &data->requestInfo->info;
540 #ifdef ROUTING_GATEWAY
541 skipRetransmission = data->requestInfo->info.skipRetransmission;
543 pdu = CAGeneratePDU(data->requestInfo->method, info, data->remoteEndpoint,
544 &options, &transport);
546 else if (NULL != data->responseInfo)
548 OIC_LOG(DEBUG, TAG, "responseInfo is available..");
550 info = &data->responseInfo->info;
551 #ifdef ROUTING_GATEWAY
552 skipRetransmission = data->responseInfo->info.skipRetransmission;
554 pdu = CAGeneratePDU(data->responseInfo->result, info, data->remoteEndpoint,
555 &options, &transport);
559 OIC_LOG(DEBUG, TAG, "request info, response info is empty");
560 return CA_STATUS_INVALID_PARAM;
563 // interface controller function call.
567 if (CAIsSupportedBlockwiseTransfer(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);
796 // get token from saved data in retransmission list
797 if (retransmissionPdu && CA_EMPTY == code)
799 if (cadata->responseInfo)
801 CAInfo_t *info = &cadata->responseInfo->info;
802 CAResult_t res = CAGetTokenFromPDU((const coap_hdr_t *)retransmissionPdu,
803 info, &(sep->endpoint));
804 if (CA_STATUS_OK != res)
806 OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
807 OICFree(info->token);
808 info->tokenLength = 0;
812 OICFree(retransmissionPdu);
816 cadata->type = SEND_TYPE_UNICAST;
819 CAProcessReceivedData(cadata);
822 if (CAIsSupportedBlockwiseTransfer(sep->endpoint.adapter))
824 CAResult_t res = CAReceiveBlockWiseData(pdu, &(sep->endpoint), cadata, dataLen);
825 if (CA_NOT_SUPPORTED == res || CA_REQUEST_TIMEOUT == res)
827 OIC_LOG(ERROR, TAG, "this message does not have block option");
828 CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
832 CADestroyData(cadata, sizeof(CAData_t));
838 CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
840 #endif // SINGLE_THREAD
842 coap_delete_pdu(pdu);
845 void CAHandleRequestResponseCallbacks()
849 CARetransmissionBaseRoutine((void *)&g_retransmissionContext);
852 // parse the data and call the callbacks.
856 ca_mutex_lock(g_receiveThread.threadMutex);
858 u_queue_message_t *item = u_queue_get_element(g_receiveThread.dataQueue);
860 ca_mutex_unlock(g_receiveThread.threadMutex);
862 if (NULL == item || NULL == item->msg)
868 CAData_t *td = (CAData_t *) item->msg;
870 if (td->requestInfo && g_requestHandler)
872 OIC_LOG_V(DEBUG, TAG, "request callback : %d", td->requestInfo->info.numOptions);
873 g_requestHandler(td->remoteEndpoint, td->requestInfo);
875 else if (td->responseInfo && g_responseHandler)
877 OIC_LOG_V(DEBUG, TAG, "response callback : %d", td->responseInfo->info.numOptions);
878 g_responseHandler(td->remoteEndpoint, td->responseInfo);
880 else if (td->errorInfo && g_errorHandler)
882 OIC_LOG_V(DEBUG, TAG, "error callback error: %d", td->errorInfo->result);
883 g_errorHandler(td->remoteEndpoint, td->errorInfo);
886 CADestroyData(item->msg, sizeof(CAData_t));
889 #endif // SINGLE_HANDLE
890 #endif // SINGLE_THREAD
893 static CAData_t* CAPrepareSendData(const CAEndpoint_t *endpoint, const void *sendData,
894 CADataType_t dataType)
896 OIC_LOG(DEBUG, TAG, "CAPrepareSendData IN");
898 CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
901 OIC_LOG(ERROR, TAG, "memory allocation failed");
905 if(CA_REQUEST_DATA == dataType)
907 // clone request info
908 CARequestInfo_t *request = CACloneRequestInfo((CARequestInfo_t *)sendData);
912 OIC_LOG(ERROR, TAG, "CACloneRequestInfo failed");
916 cadata->type = request->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
917 cadata->requestInfo = request;
919 else if(CA_RESPONSE_DATA == dataType)
921 // clone response info
922 CAResponseInfo_t *response = CACloneResponseInfo((CAResponseInfo_t *)sendData);
926 OIC_LOG(ERROR, TAG, "CACloneResponseInfo failed");
930 cadata->type = response->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
931 cadata->responseInfo = response;
935 OIC_LOG(ERROR, TAG, "CAPrepareSendData unknown data type");
939 CAEndpoint_t* ep = CACloneEndpoint(endpoint);
942 OIC_LOG(ERROR, TAG, "endpoint clone failed");
943 CADestroyData(cadata, sizeof(CAData_t));
947 cadata->remoteEndpoint = ep;
948 cadata->dataType = dataType;
956 CAResult_t CADetachSendMessage(const CAEndpoint_t *endpoint, const void *sendMsg,
957 CADataType_t dataType)
959 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
960 VERIFY_NON_NULL(sendMsg, TAG, "sendMsg");
962 if (false == CAIsSelectedNetworkAvailable())
964 return CA_STATUS_FAILED;
968 // If max retransmission queue is reached, then don't handle new request
969 if (CA_MAX_RT_ARRAY_SIZE == u_arraylist_length(g_retransmissionContext.dataList))
971 OIC_LOG(ERROR, TAG, "max RT queue size reached!");
972 return CA_SEND_FAILED;
976 CAData_t *data = CAPrepareSendData(endpoint, sendMsg, dataType);
979 OIC_LOG(ERROR, TAG, "CAPrepareSendData failed");
980 return CA_MEMORY_ALLOC_FAILED;
984 CAResult_t result = CAProcessSendData(data);
985 if(CA_STATUS_OK != result)
987 OIC_LOG(ERROR, TAG, "CAProcessSendData failed");
988 CADestroyData(data, sizeof(CAData_t));
992 CADestroyData(data, sizeof(CAData_t));
995 if (CAIsSupportedBlockwiseTransfer(endpoint->adapter))
998 CAResult_t res = CASendBlockWiseData(data);
999 if(CA_NOT_SUPPORTED == res)
1001 OIC_LOG(DEBUG, TAG, "normal msg will be sent");
1002 CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
1003 return CA_STATUS_OK;
1007 CADestroyData(data, sizeof(CAData_t));
1014 CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
1016 #endif // SINGLE_THREAD
1018 return CA_STATUS_OK;
1021 void CASetInterfaceCallbacks(CARequestCallback ReqHandler, CAResponseCallback RespHandler,
1022 CAErrorCallback errorHandler)
1024 g_requestHandler = ReqHandler;
1025 g_responseHandler = RespHandler;
1026 g_errorHandler = errorHandler;
1029 void CASetNetworkMonitorCallback(CANetworkMonitorCallback nwMonitorHandler)
1031 g_nwMonitorHandler = nwMonitorHandler;
1034 CAResult_t CAInitializeMessageHandler()
1036 CASetPacketReceivedCallback(CAReceivedPacketCallback);
1037 CASetErrorHandleCallback(CAErrorHandler);
1039 #ifndef SINGLE_THREAD
1040 // create thread pool
1041 CAResult_t res = ca_thread_pool_init(MAX_THREAD_POOL_SIZE, &g_threadPoolHandle);
1042 if (CA_STATUS_OK != res)
1044 OIC_LOG(ERROR, TAG, "thread pool initialize error.");
1048 // send thread initialize
1049 res = CAQueueingThreadInitialize(&g_sendThread, g_threadPoolHandle,
1050 CASendThreadProcess, CADestroyData);
1051 if (CA_STATUS_OK != res)
1053 OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
1054 ca_thread_pool_free(g_threadPoolHandle);
1055 g_threadPoolHandle = NULL;
1059 // start send thread
1060 res = CAQueueingThreadStart(&g_sendThread);
1061 if (CA_STATUS_OK != res)
1063 OIC_LOG(ERROR, TAG, "thread start error(send thread).");
1064 ca_thread_pool_free(g_threadPoolHandle);
1065 g_threadPoolHandle = NULL;
1066 CAQueueingThreadDestroy(&g_sendThread);
1070 // receive thread initialize
1071 res = CAQueueingThreadInitialize(&g_receiveThread, g_threadPoolHandle,
1072 CAReceiveThreadProcess, CADestroyData);
1073 if (CA_STATUS_OK != res)
1075 OIC_LOG(ERROR, TAG, "Failed to Initialize receive queue thread");
1076 ca_thread_pool_free(g_threadPoolHandle);
1077 g_threadPoolHandle = NULL;
1078 CAQueueingThreadDestroy(&g_sendThread);
1082 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1083 // start receive thread
1084 res = CAQueueingThreadStart(&g_receiveThread);
1085 if (CA_STATUS_OK != res)
1087 OIC_LOG(ERROR, TAG, "thread start error(receive thread).");
1088 ca_thread_pool_free(g_threadPoolHandle);
1089 g_threadPoolHandle = NULL;
1090 CAQueueingThreadDestroy(&g_sendThread);
1091 CAQueueingThreadDestroy(&g_receiveThread);
1094 #endif // SINGLE_HANDLE
1096 // retransmission initialize
1097 res = CARetransmissionInitialize(&g_retransmissionContext, g_threadPoolHandle,
1098 CASendUnicastData, CATimeoutCallback, NULL);
1099 if (CA_STATUS_OK != res)
1101 OIC_LOG(ERROR, TAG, "Failed to Initialize Retransmission.");
1102 ca_thread_pool_free(g_threadPoolHandle);
1103 g_threadPoolHandle = NULL;
1104 CAQueueingThreadDestroy(&g_sendThread);
1105 CAQueueingThreadDestroy(&g_receiveThread);
1110 // block-wise transfer initialize
1111 res = CAInitializeBlockWiseTransfer(CAAddDataToSendThread, CAAddDataToReceiveThread);
1112 if (CA_STATUS_OK != res)
1114 OIC_LOG(ERROR, TAG, "Failed to Initialize BlockWiseTransfer.");
1115 ca_thread_pool_free(g_threadPoolHandle);
1116 g_threadPoolHandle = NULL;
1117 CAQueueingThreadDestroy(&g_sendThread);
1118 CAQueueingThreadDestroy(&g_receiveThread);
1119 CARetransmissionDestroy(&g_retransmissionContext);
1124 // start retransmission
1125 res = CARetransmissionStart(&g_retransmissionContext);
1126 if (CA_STATUS_OK != res)
1128 OIC_LOG(ERROR, TAG, "thread start error(retransmission thread).");
1129 ca_thread_pool_free(g_threadPoolHandle);
1130 g_threadPoolHandle = NULL;
1131 CAQueueingThreadDestroy(&g_sendThread);
1132 CAQueueingThreadDestroy(&g_receiveThread);
1133 CARetransmissionDestroy(&g_retransmissionContext);
1137 // initialize interface adapters by controller
1138 CAInitializeAdapters(g_threadPoolHandle);
1140 // retransmission initialize
1141 CAResult_t res = CARetransmissionInitialize(&g_retransmissionContext, NULL, CASendUnicastData,
1142 CATimeoutCallback, NULL);
1143 if (CA_STATUS_OK != res)
1145 OIC_LOG(ERROR, TAG, "Failed to Initialize Retransmission.");
1149 CAInitializeAdapters();
1150 #endif // SINGLE_THREAD
1152 return CA_STATUS_OK;
1155 void CATerminateMessageHandler()
1157 #ifndef SINGLE_THREAD
1158 CATransportAdapter_t connType;
1159 u_arraylist_t *list = CAGetSelectedNetworkList();
1160 uint32_t length = u_arraylist_length(list);
1163 for (i = 0; i < length; i++)
1165 void* ptrType = u_arraylist_get(list, i);
1167 if (NULL == ptrType)
1172 connType = *(CATransportAdapter_t *)ptrType;
1173 CAStopAdapter(connType);
1176 // stop retransmission
1177 if (NULL != g_retransmissionContext.threadMutex)
1179 CARetransmissionStop(&g_retransmissionContext);
1183 // delete thread data
1184 if (NULL != g_sendThread.threadMutex)
1186 CAQueueingThreadStop(&g_sendThread);
1190 // delete thread data
1191 if (NULL != g_receiveThread.threadMutex)
1193 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1194 CAQueueingThreadStop(&g_receiveThread);
1198 // destroy thread pool
1199 if (NULL != g_threadPoolHandle)
1201 ca_thread_pool_free(g_threadPoolHandle);
1202 g_threadPoolHandle = NULL;
1206 CATerminateBlockWiseTransfer();
1208 CARetransmissionDestroy(&g_retransmissionContext);
1209 CAQueueingThreadDestroy(&g_sendThread);
1210 CAQueueingThreadDestroy(&g_receiveThread);
1212 // terminate interface adapters by controller
1213 CATerminateAdapters();
1215 // terminate interface adapters by controller
1216 CATerminateAdapters();
1218 // stop retransmission
1219 CARetransmissionStop(&g_retransmissionContext);
1220 CARetransmissionDestroy(&g_retransmissionContext);
1221 #endif // SINGLE_THREAD
1224 void CALogPDUInfo(coap_pdu_t *pdu, const CAEndpoint_t *endpoint)
1226 VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
1227 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint");
1229 OIC_LOG_V(DEBUG, TAG, "PDU Maker - payload : %s", pdu->data);
1232 if (CAIsSupportedCoAPOverTCP(endpoint->adapter))
1234 OIC_LOG(DEBUG, TAG, "pdu header data :");
1235 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) pdu->hdr, pdu->length);
1240 OIC_LOG_V(DEBUG, TAG, "PDU Maker - type : %d", pdu->hdr->coap_hdr_udp_t.type);
1242 OIC_LOG_V(DEBUG, TAG, "PDU Maker - code : %d", pdu->hdr->coap_hdr_udp_t.code);
1244 OIC_LOG(DEBUG, TAG, "PDU Maker - token :");
1246 OIC_LOG_BUFFER(DEBUG, TAG, pdu->hdr->coap_hdr_udp_t.token,
1247 pdu->hdr->coap_hdr_udp_t.token_length);
1251 static void CALogPayloadInfo(CAInfo_t *info)
1257 for (uint32_t i = 0; i < info->numOptions; i++)
1259 OIC_LOG_V(DEBUG, TAG, "optionID: %u", info->options[i].optionID);
1261 OIC_LOG_V(DEBUG, TAG, "list: %s", info->options[i].optionData);
1267 OIC_LOG_V(DEBUG, TAG, "payload: %p(%zu)", info->payload,
1273 OIC_LOG(DEBUG, TAG, "token:");
1274 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) info->token,
1277 OIC_LOG_V(DEBUG, TAG, "msgID: %u", info->messageId);
1281 OIC_LOG(DEBUG, TAG, "info is NULL, cannot output log data");
1285 void CAErrorHandler(const CAEndpoint_t *endpoint,
1286 const void *data, uint32_t dataLen,
1289 OIC_LOG(DEBUG, TAG, "CAErrorHandler IN");
1291 #ifndef SINGLE_THREAD
1292 VERIFY_NON_NULL_VOID(endpoint, TAG, "remoteEndpoint");
1293 VERIFY_NON_NULL_VOID(data, TAG, "data");
1295 uint32_t code = CA_NOT_FOUND;
1296 //Do not free remoteEndpoint and data. Currently they will be freed in data thread
1298 coap_pdu_t *pdu = (coap_pdu_t *)CAParsePDU((const char *)data, dataLen, &code, endpoint);
1301 OIC_LOG(ERROR, TAG, "Parse PDU failed");
1305 CAData_t *cadata = CAGenerateHandlerData(endpoint, NULL, pdu, CA_ERROR_DATA);
1308 OIC_LOG(ERROR, TAG, "CAErrorHandler, CAGenerateHandlerData failed!");
1309 coap_delete_pdu(pdu);
1313 cadata->errorInfo->result = result;
1315 CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
1316 coap_delete_pdu(pdu);
1319 OIC_LOG(DEBUG, TAG, "CAErrorHandler OUT");
1323 static void CASendErrorInfo(const CAEndpoint_t *endpoint, const CAInfo_t *info, CAResult_t result)
1325 OIC_LOG(DEBUG, TAG, "CASendErrorInfo IN");
1326 #ifndef SINGLE_THREAD
1327 CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
1330 OIC_LOG(ERROR, TAG, "cadata memory allocation failed");
1334 CAEndpoint_t* ep = CACloneEndpoint(endpoint);
1337 OIC_LOG(ERROR, TAG, "endpoint clone failed");
1342 CAErrorInfo_t *errorInfo = (CAErrorInfo_t *)OICCalloc(1, sizeof (CAErrorInfo_t));
1345 OIC_LOG(ERROR, TAG, "errorInfo memory allocation failed");
1351 CAResult_t res = CACloneInfo(info, &errorInfo->info);
1352 if (CA_STATUS_OK != res)
1354 OIC_LOG(ERROR, TAG, "info clone failed");
1361 errorInfo->result = result;
1362 cadata->remoteEndpoint = ep;
1363 cadata->errorInfo = errorInfo;
1364 cadata->dataType = CA_ERROR_DATA;
1366 CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
1368 OIC_LOG(DEBUG, TAG, "CASendErrorInfo OUT");