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 ******************************************************************/
21 // Defining _BSD_SOURCE or _DEFAULT_SOURCE causes header files to expose
22 // definitions that may otherwise be skipped. Skipping can cause implicit
23 // declaration warnings and/or bugs and subtle problems in code execution.
24 // For glibc information on feature test macros,
25 // Refer http://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
27 // This file requires #define use due to random()
28 // For details on compatibility and glibc support,
29 // Refer http://www.gnu.org/software/libc/manual/html_node/BSD-Random.html
30 #define _DEFAULT_SOURCE
37 #include "caadapterutils.h"
38 #include "cainterface.h"
39 #include "camessagehandler.h"
40 #include "caremotehandler.h"
41 #include "cablockwisetransfer.h"
42 #include "oic_malloc.h"
46 #define TAG "OIC_CA_BWT"
48 #define BLOCKWISE_OPTION_BUFFER (sizeof(unsigned int))
49 #define BLOCK_NUMBER_IDX 4
50 #define BLOCK_M_BIT_IDX 3
53 #define BLOCK_SIZE(arg) (1 << ((arg) + 4))
55 // context for block-wise transfer
56 static CABlockWiseContext_t g_context = { .sendThreadFunc = NULL,
57 .receivedThreadFunc = NULL,
60 static bool CACheckPayloadLength(const CAData_t *sendData)
62 size_t payloadLen = 0;
63 CAGetPayloadInfo(sendData, &payloadLen);
65 // check if message has to be transfered to a block
66 size_t maxBlockSize = BLOCK_SIZE(CA_DEFAULT_BLOCK_SIZE);
67 OIC_LOG_V(DEBUG, TAG, "payloadLen=%zu, maxBlockSize=%zu", payloadLen, maxBlockSize);
69 if (payloadLen <= maxBlockSize)
77 CAResult_t CAInitializeBlockWiseTransfer(CASendThreadFunc sendThreadFunc,
78 CAReceiveThreadFunc receivedThreadFunc)
80 OIC_LOG(DEBUG, TAG, "CAInitializeBlockWiseTransfer");
82 // set block-wise transfer context
83 if (!g_context.sendThreadFunc)
85 g_context.sendThreadFunc = sendThreadFunc;
88 if (!g_context.receivedThreadFunc)
90 g_context.receivedThreadFunc = receivedThreadFunc;
93 if (!g_context.dataList)
95 g_context.dataList = u_arraylist_create();
98 CAResult_t res = CAInitBlockWiseMutexVariables();
99 if (CA_STATUS_OK != res)
101 u_arraylist_free(&g_context.dataList);
102 g_context.dataList = NULL;
103 OIC_LOG(ERROR, TAG, "init has failed");
109 CAResult_t CATerminateBlockWiseTransfer()
111 OIC_LOG(DEBUG, TAG, "CATerminateBlockWiseTransfer");
113 if (g_context.dataList)
115 u_arraylist_free(&g_context.dataList);
118 CATerminateBlockWiseMutexVariables();
123 CAResult_t CAInitBlockWiseMutexVariables()
125 if (!g_context.blockDataListMutex)
127 g_context.blockDataListMutex = ca_mutex_new();
128 if (!g_context.blockDataListMutex)
130 OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
131 return CA_STATUS_FAILED;
135 if (!g_context.blockDataSenderMutex)
137 g_context.blockDataSenderMutex = ca_mutex_new();
138 if (!g_context.blockDataSenderMutex)
140 OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
141 CATerminateBlockWiseMutexVariables();
142 return CA_STATUS_FAILED;
149 void CATerminateBlockWiseMutexVariables()
151 if (g_context.blockDataListMutex)
153 ca_mutex_free(g_context.blockDataListMutex);
154 g_context.blockDataListMutex = NULL;
157 if (g_context.blockDataSenderMutex)
159 ca_mutex_free(g_context.blockDataSenderMutex);
160 g_context.blockDataSenderMutex = NULL;
164 CAResult_t CASendBlockWiseData(const CAData_t *sendData)
166 VERIFY_NON_NULL(sendData, TAG, "sendData");
168 // check if message type is CA_MSG_RESET
169 if (sendData->requestInfo)
171 if (CA_MSG_RESET == sendData->requestInfo->info.type)
173 OIC_LOG(DEBUG, TAG, "reset message can't be sent to the block");
174 return CA_NOT_SUPPORTED;
178 * Other uses of the Block options in conjunction with multicast
179 * messages are for further study.
181 if (sendData->requestInfo->isMulticast)
183 OIC_LOG(DEBUG, TAG, "multicast message can't be sent to the block");
184 return CA_NOT_SUPPORTED;
187 else if (sendData->responseInfo)
189 if (CA_MSG_RESET == sendData->responseInfo->info.type)
191 OIC_LOG(DEBUG, TAG, "reset message can't be sent to the block");
192 return CA_NOT_SUPPORTED;
194 if (sendData->responseInfo->isMulticast)
196 OIC_LOG(DEBUG, TAG, "multicast message can't be sent to the block");
197 return CA_NOT_SUPPORTED;
201 // #1. check if it is already included in block data list
202 CABlockData_t *currData = NULL;
203 CAResult_t res = CACheckBlockDataValidation(sendData, &currData);
204 if (CA_STATUS_OK != res)
206 // #2. if it is not included, add the data into list
209 OIC_LOG(DEBUG, TAG, "There is no block data");
211 bool isBlock = CACheckPayloadLength(sendData);
214 if (sendData->requestInfo)
216 currData = CACreateNewBlockData(sendData);
219 OIC_LOG(ERROR, TAG, "failed to create block data");
220 return CA_MEMORY_ALLOC_FAILED;
223 return CA_NOT_SUPPORTED;
225 currData = CACreateNewBlockData(sendData);
228 OIC_LOG(ERROR, TAG, "failed to create block data");
229 return CA_MEMORY_ALLOC_FAILED;
234 // #3. check request/response block option type and payload length
235 res = CACheckBlockOptionType(currData);
236 if (CA_STATUS_OK == res)
238 // #4. send block message
239 OIC_LOG(DEBUG, TAG, "send first block msg");
240 res = CAAddSendThreadQueue(currData->sentData,
241 (const CABlockDataID_t *) &currData->blockDataId);
242 if (CA_STATUS_OK != res)
244 OIC_LOG(ERROR, TAG, "add has failed");
252 CAResult_t CAAddSendThreadQueue(const CAData_t *sendData, const CABlockDataID_t *blockID)
254 VERIFY_NON_NULL(sendData, TAG, "sendData");
255 VERIFY_NON_NULL(blockID, TAG, "blockID");
257 CAData_t *cloneData = CACloneCAData(sendData);
260 OIC_LOG(ERROR, TAG, "clone has failed");
261 CARemoveBlockDataFromList(blockID);
262 return CA_STATUS_FAILED;
265 if (g_context.sendThreadFunc)
267 ca_mutex_lock(g_context.blockDataSenderMutex);
268 g_context.sendThreadFunc(cloneData);
269 ca_mutex_unlock(g_context.blockDataSenderMutex);
273 CADestroyDataSet(cloneData);
278 CAResult_t CACheckBlockOptionType(CABlockData_t *currData)
280 VERIFY_NON_NULL(currData, TAG, "currData");
281 VERIFY_NON_NULL(currData->sentData, TAG, "currData->sentData");
283 bool isBlock = CACheckPayloadLength(currData->sentData);
286 return CA_NOT_SUPPORTED;
289 // set block option (COAP_OPTION_BLOCK2 or COAP_OPTION_BLOCK1)
290 if (currData->sentData->requestInfo) // request message
292 currData->type = COAP_OPTION_BLOCK1;
294 else // response message
296 currData->type = COAP_OPTION_BLOCK2;
302 // TODO make pdu const after libcoap is updated to support that.
303 CAResult_t CAReceiveBlockWiseData(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
304 const CAData_t *receivedData, size_t dataLen)
306 OIC_LOG(DEBUG, TAG, "CAReceiveBlockWiseData");
307 VERIFY_NON_NULL(pdu, TAG, "pdu");
308 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
309 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
310 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
312 // check if received message type is CA_MSG_RESET
313 if (CA_EMPTY == pdu->hdr->coap_hdr_udp_t.code)
315 OIC_LOG(DEBUG, TAG, "code is CA_EMPTY..");
317 if (!receivedData->responseInfo->info.token)
319 // get token from block-wise transfer list when CA_EMPTY(RST/ACK) is received
320 CAResult_t res = CAGetTokenFromBlockDataList(pdu, endpoint,
321 receivedData->responseInfo);
322 if (CA_STATUS_OK != res)
324 OIC_LOG(ERROR, TAG, "fail to get token");
329 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
330 receivedData->responseInfo->info.token,
331 receivedData->responseInfo->info.tokenLength,
333 if (NULL == blockDataID || blockDataID->idLength < 1)
335 // if retransmission is timeout, callback msg will be send without token.
336 if (NULL == blockDataID && !receivedData->responseInfo->info.token)
338 OIC_LOG(INFO, TAG, "retransmission was stopped");
339 return CA_REQUEST_TIMEOUT;
342 OIC_LOG(ERROR, TAG, "blockId is null");
343 CADestroyBlockID(blockDataID);
344 return CA_STATUS_FAILED;
347 CARemoveBlockDataFromList(blockDataID);
348 CADestroyBlockID(blockDataID);
349 return CA_NOT_SUPPORTED;
352 // check if block option is set and get block data
353 coap_block_t block = { 0, 0, 0 };
356 int isBlock1 = coap_get_block(pdu, COAP_OPTION_BLOCK1, &block);
359 CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, block, dataLen);
360 if (CA_STATUS_OK != res)
362 OIC_LOG(ERROR, TAG, "setting has failed");
368 int isBlock2 = coap_get_block(pdu, COAP_OPTION_BLOCK2, &block);
371 CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, block, dataLen);
372 if (CA_STATUS_OK != res)
374 OIC_LOG(ERROR, TAG, "setting has failed");
379 // if there is no block option in pdu, check if there is error code.
380 if (!isBlock1 && !isBlock2)
382 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
383 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
384 pdu->hdr->coap_hdr_udp_t.token_length,
386 if (NULL == blockDataID || blockDataID->idLength < 1)
388 OIC_LOG(ERROR, TAG, "blockId is null");
389 CADestroyBlockID(blockDataID);
390 return CA_STATUS_FAILED;
393 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
394 if (CA_REQUEST_ENTITY_INCOMPLETE == code)
396 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
399 OIC_LOG(ERROR, TAG, "getting has failed");
400 CADestroyBlockID(blockDataID);
401 return CA_STATUS_FAILED;
404 coap_block_t *block = CAGetBlockOption(blockDataID, data->type);
407 OIC_LOG(ERROR, TAG, "block is null");
408 CADestroyBlockID(blockDataID);
409 return CA_STATUS_FAILED;
412 CAResult_t res = CA_STATUS_OK;
413 if (COAP_OPTION_BLOCK2 == data->type)
415 res = CASetNextBlockOption2(pdu, endpoint, receivedData, *block, dataLen);
416 if (CA_STATUS_OK != res)
418 OIC_LOG(ERROR, TAG, "setting has failed");
419 CADestroyBlockID(blockDataID);
420 return CA_STATUS_FAILED;
423 else if (COAP_OPTION_BLOCK1 == data->type)
425 res = CASetNextBlockOption1(pdu, endpoint, receivedData, *block, dataLen);
426 if (CA_STATUS_OK != res)
428 OIC_LOG(ERROR, TAG, "setting has failed");
429 CADestroyBlockID(blockDataID);
433 CADestroyBlockID(blockDataID);
438 OIC_LOG(DEBUG, TAG, "it's normal pdu");
440 // if received data is response message
441 // and sent data remain in block data list, remove block data
442 if (receivedData->responseInfo)
444 CARemoveBlockDataFromList(blockDataID);
446 CADestroyBlockID(blockDataID);
447 return CA_NOT_SUPPORTED;
453 CAResult_t CAProcessNextStep(const coap_pdu_t *pdu, const CAData_t *receivedData,
454 uint8_t blockWiseStatus, const CABlockDataID_t *blockID)
456 VERIFY_NON_NULL(pdu, TAG, "pdu");
457 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
458 VERIFY_NON_NULL(blockID, TAG, "blockID");
460 CAResult_t res = CA_STATUS_OK;
461 CAData_t *data = NULL;
463 // process blockWiseStatus
464 switch (blockWiseStatus)
466 case CA_OPTION2_FIRST_BLOCK:
467 res = CAAddSendThreadQueue(receivedData, blockID);
468 if (CA_STATUS_OK != res)
470 OIC_LOG(ERROR, TAG, "add has failed");
475 case CA_OPTION2_REQUEST:
476 // add data to send thread
477 data = CAGetDataSetFromBlockDataList(blockID);
480 OIC_LOG(ERROR, TAG, "it's unavailable");
481 return CA_STATUS_FAILED;
484 if (data->requestInfo)
486 data->requestInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
489 if (data->responseInfo)
491 data->responseInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
494 res = CAAddSendThreadQueue(data, blockID);
495 if (CA_STATUS_OK != res)
497 OIC_LOG(ERROR, TAG, "add has failed");
503 case CA_OPTION1_RESPONSE:
504 case CA_OPTION2_RESPONSE:
505 case CA_OPTION1_REQUEST_BLOCK:
506 res = CASendBlockMessage(pdu, pdu->hdr->coap_hdr_udp_t.type, blockID);
507 if (CA_STATUS_OK != res)
509 OIC_LOG(ERROR, TAG, "send has failed");
514 case CA_OPTION2_LAST_BLOCK:
515 // process last block and send upper layer
516 res = CAReceiveLastBlock(blockID, receivedData);
517 if (CA_STATUS_OK != res)
519 OIC_LOG(ERROR, TAG, "receive has failed");
523 // remove data from list
524 res = CARemoveBlockDataFromList(blockID);
525 if (CA_STATUS_OK != res)
527 OIC_LOG(ERROR, TAG, "remove has failed");
532 case CA_OPTION1_REQUEST_LAST_BLOCK:
533 // process last block and send upper layer
534 res = CAReceiveLastBlock(blockID, receivedData);
535 if (CA_STATUS_OK != res)
537 OIC_LOG(ERROR, TAG, "receive has failed");
542 case CA_BLOCK_INCOMPLETE:
543 // add data to send thread
544 res = CASendErrorMessage(pdu, blockWiseStatus, CA_REQUEST_ENTITY_INCOMPLETE, blockID);
545 if (CA_STATUS_OK != res)
547 OIC_LOG(ERROR, TAG, "send has failed");
552 case CA_BLOCK_TOO_LARGE:
553 if (receivedData->requestInfo)
555 res = CASendErrorMessage(pdu, blockWiseStatus, CA_REQUEST_ENTITY_TOO_LARGE,
557 if (CA_STATUS_OK != res)
559 OIC_LOG(ERROR, TAG, "send has failed");
563 else if (receivedData->responseInfo)
565 res = CASendBlockMessage(pdu, pdu->hdr->coap_hdr_udp_t.type, blockID);
566 if (CA_STATUS_OK != res)
568 OIC_LOG(ERROR, TAG, "send has failed");
574 OIC_LOG_V(ERROR, TAG, "no logic [%d]", blockWiseStatus);
579 CAResult_t CASendBlockMessage(const coap_pdu_t *pdu, CAMessageType_t msgType,
580 const CABlockDataID_t *blockID)
582 VERIFY_NON_NULL(pdu, TAG, "pdu");
583 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
584 VERIFY_NON_NULL(blockID, TAG, "blockID");
586 CAData_t *data = CAGetDataSetFromBlockDataList(blockID);
589 OIC_LOG(ERROR, TAG, "CAData is unavailable");
590 return CA_STATUS_FAILED;
593 CAMessageType_t sentMsgType = CA_MSG_NONCONFIRM;
597 sentMsgType = CA_MSG_ACKNOWLEDGE;
599 case CA_MSG_ACKNOWLEDGE:
600 sentMsgType = CA_MSG_CONFIRM;
603 sentMsgType = CA_MSG_NONCONFIRM;
607 uint32_t code = pdu->hdr->coap_hdr_udp_t.code;
608 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
610 if (data->responseInfo)
612 OIC_LOG(DEBUG, TAG, "set response info");
613 data->responseInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
614 data->responseInfo->info.type = sentMsgType;
615 data->responseInfo->result = CA_CONTINUE;
620 OIC_LOG(DEBUG, TAG, "need new msgID");
621 if (data->requestInfo)
623 data->requestInfo->info.messageId = 0;
624 data->requestInfo->info.type = sentMsgType;
628 // add data to send thread
629 CAResult_t res = CAAddSendThreadQueue(data, blockID);
630 if (CA_STATUS_OK != res)
632 OIC_LOG(ERROR, TAG, "add has failed");
638 CAResult_t CASendErrorMessage(const coap_pdu_t *pdu, uint8_t status,
639 CAResponseResult_t responseResult, const CABlockDataID_t *blockID)
641 VERIFY_NON_NULL(pdu, TAG, "pdu");
642 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
643 VERIFY_NON_NULL(blockID, TAG, "blockID");
645 // create error responseInfo
646 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockID);
649 OIC_LOG(ERROR, TAG, "data is unavailable");
650 return CA_STATUS_FAILED;
653 CAMessageType_t sentMsgType = CA_MSG_NONCONFIRM;
654 switch (pdu->hdr->coap_hdr_udp_t.type)
657 sentMsgType = CA_MSG_ACKNOWLEDGE;
659 case CA_MSG_ACKNOWLEDGE:
660 sentMsgType = CA_MSG_CONFIRM;
664 CAData_t *cloneData = NULL;
667 cloneData = CACloneCAData(data->sentData);
670 OIC_LOG(ERROR, TAG, "clone has failed");
671 return CA_MEMORY_ALLOC_FAILED;
674 if (cloneData->responseInfo)
676 cloneData->responseInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
677 cloneData->responseInfo->info.type = sentMsgType;
678 cloneData->responseInfo->result = responseResult;
682 CAInfo_t responseData = { .tokenLength = pdu->hdr->coap_hdr_udp_t.token_length };
683 responseData.token = (CAToken_t) OICMalloc(responseData.tokenLength);
684 if (!responseData.token)
686 OIC_LOG(ERROR, TAG, "out of memory");
687 return CA_MEMORY_ALLOC_FAILED;
689 memcpy(responseData.token, pdu->hdr->coap_hdr_udp_t.token, responseData.tokenLength);
691 cloneData->responseInfo = (CAResponseInfo_t*) OICCalloc(1, sizeof(CAResponseInfo_t));
692 if (!cloneData->responseInfo)
694 OIC_LOG(ERROR, TAG, "out of memory");
695 OICFree(responseData.token);
696 return CA_MEMORY_ALLOC_FAILED;
699 cloneData->responseInfo->info = responseData;
700 cloneData->responseInfo->info.type = sentMsgType;
701 cloneData->responseInfo->result = responseResult;
703 OIC_LOG(DEBUG, TAG, "set response message to send error code");
707 OIC_LOG(ERROR, TAG, "data has no sent-data");
708 return CA_MEMORY_ALLOC_FAILED;
711 // if there is a requestInfo, remove it to send response message
712 if (cloneData->requestInfo)
714 CADestroyRequestInfoInternal(cloneData->requestInfo);
715 cloneData->requestInfo = NULL;
718 // add data to send thread
719 if (g_context.sendThreadFunc)
721 ca_mutex_lock(g_context.blockDataSenderMutex);
722 g_context.sendThreadFunc(cloneData);
723 ca_mutex_unlock(g_context.blockDataSenderMutex);
727 CADestroyDataSet(cloneData);
730 // if error code is 4.08, remove the stored payload and initialize block number
731 if (CA_BLOCK_INCOMPLETE == status)
733 OICFree(data->payload);
734 data->payload = NULL;
735 data->payloadLength = 0;
736 data->receivedPayloadLen = 0;
737 data->block1.num = 0;
738 data->block2.num = 0;
744 CAResult_t CAReceiveLastBlock(const CABlockDataID_t *blockID, const CAData_t *receivedData)
746 VERIFY_NON_NULL(blockID, TAG, "blockID");
747 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
749 // total block data have to notify to Application
750 CAData_t *cloneData = CACloneCAData(receivedData);
753 OIC_LOG(ERROR, TAG, "clone has failed");
754 return CA_MEMORY_ALLOC_FAILED;
758 size_t fullPayloadLen = 0;
759 CAPayload_t fullPayload = CAGetPayloadFromBlockDataList(blockID, &fullPayloadLen);
762 CAResult_t res = CAUpdatePayloadToCAData(cloneData, fullPayload, fullPayloadLen);
763 if (CA_STATUS_OK != res)
765 OIC_LOG(ERROR, TAG, "update has failed");
766 CADestroyDataSet(cloneData);
771 if (g_context.receivedThreadFunc)
773 g_context.receivedThreadFunc(cloneData);
777 CADestroyDataSet(cloneData);
783 // TODO make pdu const after libcoap is updated to support that.
784 CAResult_t CASetNextBlockOption1(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
785 const CAData_t *receivedData, coap_block_t block,
788 OIC_LOG(INFO, TAG, "CASetNextBlockOption1");
789 VERIFY_NON_NULL(pdu, TAG, "pdu");
790 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
791 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
792 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
794 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
796 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
797 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
798 pdu->hdr->coap_hdr_udp_t.token_length,
800 if (NULL == blockDataID || blockDataID->idLength < 1)
802 OIC_LOG(ERROR, TAG, "blockId is null");
803 CADestroyBlockID(blockDataID);
804 return CA_STATUS_FAILED;
807 // Get BlockData data. If does not exist, create a new data
808 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
811 OIC_LOG(DEBUG, TAG, "block data doesn't exist in list. create new one");
813 CAData_t *cadata = CACreateNewDataSet(pdu, endpoint);
816 OIC_LOG(ERROR, TAG, "data is null");
817 CADestroyBlockID(blockDataID);
818 return CA_STATUS_FAILED;
821 data = CACreateNewBlockData(cadata);
824 OIC_LOG(ERROR, TAG, "failed to create a new block data");
825 CADestroyDataSet(cadata);
826 CADestroyBlockID(blockDataID);
827 return CA_STATUS_FAILED;
829 CADestroyDataSet(cadata);
832 // update BLOCK OPTION1 type
833 CAResult_t res = CAUpdateBlockOptionType(blockDataID, COAP_OPTION_BLOCK1);
834 if (CA_STATUS_OK != res)
836 OIC_LOG(ERROR, TAG, "update has failed");
840 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
841 uint32_t code = pdu->hdr->coap_hdr_udp_t.code;
842 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
844 // received message type is request
845 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
847 // check the size option
848 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu, COAP_OPTION_SIZE1,
849 &(data->payloadLength));
851 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
852 COAP_OPTION_BLOCK1, dataLen);
854 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
856 // store the received payload and merge
857 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
858 isSizeOption, COAP_OPTION_BLOCK1);
859 if (CA_STATUS_OK != res)
861 OIC_LOG(ERROR, TAG, "update has failed");
865 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1,
867 if (CA_STATUS_OK != res)
869 OIC_LOG(ERROR, TAG, "update has failed");
874 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
875 if (CA_STATUS_OK != res)
877 OIC_LOG(ERROR, TAG, "update has failed");
882 // check the blcok-wise transfer status for next step
883 if (CA_BLOCK_UNKNOWN == blockWiseStatus || CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
885 OIC_LOG_V(DEBUG, TAG, "M bit is %d", block.m);
889 // Last block is received
890 blockWiseStatus = CA_OPTION1_REQUEST_LAST_BLOCK;
894 blockWiseStatus = CA_OPTION1_REQUEST_BLOCK;
900 // received message type is response
901 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
902 if (0 == block.m && (CA_REQUEST_ENTITY_INCOMPLETE != code
903 && CA_REQUEST_ENTITY_TOO_LARGE != code))
905 int isBlock2 = coap_get_block(pdu, COAP_OPTION_BLOCK2, &block);
908 OIC_LOG(INFO, TAG, "received data is combining block1 and block2");
909 // initialize block number for response message
910 data->block1.num = 0;
911 CADestroyBlockID(blockDataID);
916 OIC_LOG(INFO, TAG, "received data is not bulk data");
917 CAReceiveLastBlock(blockDataID, receivedData);
923 blockWiseStatus = CA_OPTION1_RESPONSE;
924 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
925 if (CA_STATUS_OK != res)
927 OIC_LOG(ERROR, TAG, "update has failed");
928 CADestroyBlockID(blockDataID);
932 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
933 if (CA_STATUS_OK != res)
935 OIC_LOG(ERROR, TAG, "update has failed");
940 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
941 if (CA_STATUS_OK != res)
943 OIC_LOG(ERROR, TAG, "setting has failed");
947 CADestroyBlockID(blockDataID);
951 CARemoveBlockDataFromList(blockDataID);
952 CADestroyBlockID(blockDataID);
956 // TODO make pdu const after libcoap is updated to support that.
957 CAResult_t CASetNextBlockOption2(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
958 const CAData_t *receivedData, coap_block_t block,
961 OIC_LOG(DEBUG, TAG, "CASetNextBlockOption2");
962 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
964 VERIFY_NON_NULL(pdu, TAG, "pdu");
965 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
966 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
967 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
969 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
970 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
971 pdu->hdr->coap_hdr_udp_t.token_length,
973 if (NULL == blockDataID || blockDataID->idLength < 1)
975 OIC_LOG(ERROR, TAG, "blockId is null");
976 CADestroyBlockID(blockDataID);
977 return CA_STATUS_FAILED;
980 // Get BlockData data. If does not exist, create a new data
981 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
984 OIC_LOG(DEBUG, TAG, "block data doesn't exist in list. create new one");
986 CAData_t *cadata = CACreateNewDataSet(pdu, endpoint);
989 OIC_LOG(ERROR, TAG, "data is null");
990 CADestroyBlockID(blockDataID);
991 return CA_STATUS_FAILED;
994 data = CACreateNewBlockData(cadata);
997 OIC_LOG(ERROR, TAG, "failed to create a new block data");
998 CADestroyDataSet(cadata);
999 CADestroyBlockID(blockDataID);
1000 return CA_STATUS_FAILED;
1002 CADestroyDataSet(cadata);
1005 // set Block Option Type
1006 CAResult_t res = CAUpdateBlockOptionType(blockDataID, COAP_OPTION_BLOCK2);
1007 if (CA_STATUS_OK != res)
1009 OIC_LOG(ERROR, TAG, "update has failed");
1013 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
1014 if (0 == block.num && CA_GET == pdu->hdr->coap_hdr_udp_t.code && 0 == block.m)
1016 OIC_LOG(INFO, TAG, "first block number");
1018 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1019 if (CA_STATUS_OK != res)
1021 OIC_LOG(ERROR, TAG, "update has failed");
1025 // first block data have to notify to Application
1026 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1027 if (CA_STATUS_OK != res)
1029 OIC_LOG(ERROR, TAG, "update has failed");
1032 blockWiseStatus = CA_OPTION2_FIRST_BLOCK;
1036 uint32_t code = pdu->hdr->coap_hdr_udp_t.code;
1037 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
1039 // received message type is request
1040 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
1042 blockWiseStatus = CA_OPTION2_REQUEST;
1044 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1045 if (CA_STATUS_OK != res)
1047 OIC_LOG(ERROR, TAG, "update has failed");
1051 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1052 if (CA_STATUS_OK != res)
1054 OIC_LOG(ERROR, TAG, "update has failed");
1060 // received message type is response
1061 OIC_LOG(DEBUG, TAG, "received response message with block option2");
1063 // check the size option
1064 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
1066 &(data->payloadLength));
1068 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
1069 if (CA_REQUEST_ENTITY_INCOMPLETE != code && CA_REQUEST_ENTITY_TOO_LARGE != code)
1071 // check if received payload is exact
1072 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
1073 COAP_OPTION_BLOCK2, dataLen);
1076 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
1078 // store the received payload and merge
1079 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
1080 isSizeOption, COAP_OPTION_BLOCK2);
1081 if (CA_STATUS_OK != res)
1083 OIC_LOG(ERROR, TAG, "update has failed");
1088 if (0 == block.m && CA_BLOCK_UNKNOWN == blockWiseStatus) // Last block is received
1090 OIC_LOG(DEBUG, TAG, "M bit is 0");
1091 blockWiseStatus = CA_OPTION2_LAST_BLOCK;
1095 if (CA_BLOCK_UNKNOWN == blockWiseStatus ||
1096 CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
1098 OIC_LOG(DEBUG, TAG, "M bit is 1");
1099 blockWiseStatus = CA_OPTION2_RESPONSE;
1102 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2,
1104 if (CA_STATUS_OK != res)
1106 OIC_LOG(ERROR, TAG, "update has failed");
1110 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1111 if (CA_STATUS_OK != res)
1113 OIC_LOG(ERROR, TAG, "update has failed");
1120 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
1121 if (CA_STATUS_OK != res)
1123 OIC_LOG(ERROR, TAG, "setting has failed");
1127 CADestroyBlockID(blockDataID);
1128 return CA_STATUS_OK;
1131 CARemoveBlockDataFromList(blockDataID);
1132 CADestroyBlockID(blockDataID);
1136 CAResult_t CAUpdateBlockOptionItems(CABlockData_t *currData, const coap_pdu_t *pdu,
1137 coap_block_t *block, uint16_t blockType,
1140 VERIFY_NON_NULL(currData, TAG, "currData");
1141 VERIFY_NON_NULL(pdu, TAG, "pdu");
1142 VERIFY_NON_NULL(block, TAG, "block");
1144 // update block data
1145 CAResult_t res = CA_STATUS_OK;
1146 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
1148 if (CA_REQUEST_ENTITY_INCOMPLETE == code || CA_REQUEST_ENTITY_TOO_LARGE == code)
1150 // response error code of the received block message
1151 res = CAHandleBlockErrorResponse(block, blockType, code);
1152 if (CA_STATUS_OK != res)
1154 OIC_LOG(ERROR, TAG, "error handle has failed");
1160 // update block option items
1163 case CA_OPTION1_RESPONSE:
1164 if (currData->block1.num > block->num)
1166 OIC_LOG(ERROR, TAG, "received incorrect block num");
1167 return CA_STATUS_FAILED;
1171 case CA_OPTION2_REQUEST:
1174 case CA_OPTION2_RESPONSE:
1175 if (currData->block2.num > block->num)
1177 OIC_LOG(ERROR, TAG, "received incorrect block num");
1178 return CA_STATUS_FAILED;
1183 case CA_BLOCK_TOO_LARGE:
1184 // if state of received block message is CA_BLOCK_TOO_LARGE or CA_BLOCK_INCOMPLETE
1185 // we set the response error code appropriately and send
1186 if (COAP_OPTION_BLOCK2 == blockType)
1190 block->szx = currData->block2.szx;
1194 block->szx = currData->block1.szx;
1198 OIC_LOG_V(ERROR, TAG, "no logic [%d]", status);
1201 if (CA_BLOCK_INCOMPLETE != status && CA_BLOCK_TOO_LARGE != status)
1203 // negotiate block size
1204 res = CANegotiateBlockSize(currData, block, pdu, blockType);
1205 if (CA_STATUS_OK != res)
1207 OIC_LOG(ERROR, TAG, "negotiation has failed");
1215 CAResult_t CASetMoreBitFromBlock(size_t payloadLen, coap_block_t *block)
1217 VERIFY_NON_NULL(block, TAG, "block");
1219 if ((size_t) ((block->num + 1) << (block->szx + BLOCK_NUMBER_IDX)) < payloadLen)
1221 OIC_LOG(DEBUG, TAG, "Set the M-bit(1)");
1226 OIC_LOG(DEBUG, TAG, "Set the M-bit(0)");
1230 return CA_STATUS_OK;
1233 CAResult_t CANegotiateBlockSize(CABlockData_t *currData, coap_block_t *block,
1234 coap_pdu_t *pdu, uint16_t blockType)
1236 OIC_LOG(DEBUG, TAG, "IN-NegotiateBlockSize");
1238 VERIFY_NON_NULL(currData, TAG, "currData");
1239 VERIFY_NON_NULL(block, TAG, "block");
1240 VERIFY_NON_NULL(pdu, TAG, "pdu");
1241 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
1243 bool isReqMsg = false;
1244 uint32_t code = pdu->hdr->coap_hdr_udp_t.code;
1245 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
1250 // #1. check the block option type
1251 if (COAP_OPTION_BLOCK2 == blockType)
1253 // #2. check the message type
1256 if (block->szx > currData->block2.szx)
1258 OIC_LOG(DEBUG, TAG, "sze is big");
1260 // #3. calculate new block number from block size
1261 unsigned int blockNum = BLOCK_SIZE(block->szx) /
1262 BLOCK_SIZE(currData->block2.szx) - 1;
1263 OIC_LOG(DEBUG, TAG, "num is set as Negotiation");
1264 block->num += blockNum;
1265 block->szx = currData->block2.szx;
1266 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1271 if (block->szx > currData->block2.szx)
1273 OIC_LOG(DEBUG, TAG, "sze is big");
1274 block->szx = currData->block2.szx;
1278 else if (COAP_OPTION_BLOCK1 == blockType)
1282 if (block->szx < currData->block1.szx)
1284 OIC_LOG(DEBUG, TAG, "sze is small");
1286 unsigned int blockNum = BLOCK_SIZE(currData->block1.szx) /
1287 BLOCK_SIZE(block->szx) - 1;
1288 block->num += blockNum;
1289 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1294 if (block->szx > currData->block1.szx)
1296 OIC_LOG(DEBUG, TAG, "sze is big");
1297 block->szx = currData->block1.szx;
1303 OIC_LOG(DEBUG, TAG, "Invalid block option");
1304 return CA_STATUS_FAILED;
1307 OIC_LOG(DEBUG, TAG, "OUT-NegotiateBlockSize");
1309 return CA_STATUS_OK;
1312 CAResult_t CAUpdateBlockData(CABlockData_t *currData, coap_block_t block,
1315 VERIFY_NON_NULL(currData, TAG, "currData");
1317 // check if block size is bigger than CABlockSize_t
1318 if (block.szx > CA_BLOCK_SIZE_1024_BYTE)
1320 OIC_LOG(DEBUG, TAG, "invalid block szx");
1321 return CA_STATUS_FAILED;
1324 // update block option
1325 if (COAP_OPTION_BLOCK2 == blockType)
1327 currData->block2 = block;
1331 currData->block1 = block;
1334 OIC_LOG(DEBUG, TAG, "data has updated");
1335 return CA_STATUS_OK;
1338 CAResult_t CAUpdateMessageId(coap_pdu_t *pdu, const CABlockDataID_t *blockID)
1340 VERIFY_NON_NULL(pdu, TAG, "pdu");
1341 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
1342 VERIFY_NON_NULL(blockID, TAG, "blockID");
1344 // if message is sent, update messageId in block-wise transfer list
1345 CAData_t * cadata = CAGetDataSetFromBlockDataList(blockID);
1348 OIC_LOG(ERROR, TAG, "CAData is unavailable");
1349 return CA_STATUS_FAILED;
1352 if (cadata->requestInfo)
1354 cadata->requestInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
1357 return CA_STATUS_OK;
1360 CAResult_t CAAddBlockOption(coap_pdu_t **pdu, const CAInfo_t *info,
1361 const CAEndpoint_t *endpoint, coap_list_t **options)
1363 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption");
1364 VERIFY_NON_NULL(pdu, TAG, "pdu");
1365 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1366 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1367 VERIFY_NON_NULL(info, TAG, "info");
1368 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
1369 VERIFY_NON_NULL(options, TAG, "options");
1371 CAResult_t res = CA_STATUS_OK;
1372 size_t dataLength = 0;
1375 dataLength = info->payloadSize;
1376 OIC_LOG_V(DEBUG, TAG, "dataLength - %zu", dataLength);
1379 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
1380 (CAToken_t)(*pdu)->hdr->coap_hdr_udp_t.token,
1381 (*pdu)->hdr->coap_hdr_udp_t.token_length,
1383 if (NULL == blockDataID || blockDataID->idLength < 1)
1385 OIC_LOG(ERROR, TAG, "blockId is null");
1386 res = CA_STATUS_FAILED;
1390 uint32_t repCode = CA_RESPONSE_CODE((*pdu)->hdr->coap_hdr_udp_t.code);
1391 if (CA_REQUEST_ENTITY_INCOMPLETE == repCode)
1393 OIC_LOG(INFO, TAG, "don't use option");
1398 uint8_t blockType = CAGetBlockOptionType(blockDataID);
1399 if (COAP_OPTION_BLOCK2 == blockType)
1401 res = CAAddBlockOption2(pdu, info, dataLength, blockDataID, options);
1402 if (CA_STATUS_OK != res)
1404 OIC_LOG(ERROR, TAG, "add has failed");
1408 else if (COAP_OPTION_BLOCK1 == blockType)
1410 res = CAAddBlockOption1(pdu, info, dataLength, blockDataID, options);
1411 if (CA_STATUS_OK != res)
1413 OIC_LOG(ERROR, TAG, "add has failed");
1419 OIC_LOG(DEBUG, TAG, "no BLOCK option");
1421 // in case it is not large data, add option list to pdu.
1424 for (coap_list_t *opt = *options; opt; opt = opt->next)
1426 OIC_LOG_V(DEBUG, TAG, "[%s] opt will be added.",
1427 COAP_OPTION_DATA(*(coap_option *) opt->data));
1429 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length", (*pdu)->length);
1430 coap_add_option(*pdu, COAP_OPTION_KEY(*(coap_option *) opt->data),
1431 COAP_OPTION_LENGTH(*(coap_option *) opt->data),
1432 COAP_OPTION_DATA(*(coap_option *) opt->data), coap_udp);
1436 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length after option", (*pdu)->length);
1438 // if response data is so large. it have to send as block transfer
1439 if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info->payload))
1441 OIC_LOG(INFO, TAG, "it have to use block");
1445 OIC_LOG(INFO, TAG, "not Blockwise Transfer");
1449 uint32_t code = (*pdu)->hdr->coap_hdr_udp_t.code;
1450 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
1452 // if received message type is RESET from remote device,
1453 // we have to use the updated message id of request message to find token.
1454 CABlockData_t *blockData = CAGetBlockDataFromBlockDataList(blockDataID);
1457 res = CAUpdateMessageId(*pdu, blockDataID);
1458 if (CA_STATUS_OK != res)
1460 OIC_LOG(ERROR, TAG, "fail to update message id");
1467 CADestroyBlockID(blockDataID);
1468 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption");
1472 CAResult_t CAAddBlockOption2(coap_pdu_t **pdu, const CAInfo_t *info, size_t dataLength,
1473 const CABlockDataID_t *blockID, coap_list_t **options)
1475 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption2");
1476 VERIFY_NON_NULL(pdu, TAG, "pdu");
1477 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1478 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1479 VERIFY_NON_NULL(info, TAG, "info");
1480 VERIFY_NON_NULL(blockID, TAG, "blockID");
1481 VERIFY_NON_NULL(options, TAG, "options");
1483 // get set block data from CABlock list-set.
1484 coap_block_t *block1 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK1);
1485 coap_block_t *block2 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK2);
1486 if (!block1 || !block2)
1488 OIC_LOG(ERROR, TAG, "getting has failed");
1489 return CA_STATUS_FAILED;
1492 CAResult_t res = CA_STATUS_OK;
1493 uint32_t code = (*pdu)->hdr->coap_hdr_udp_t.code;
1494 if (CA_GET != code && CA_POST != code && CA_PUT != code && CA_DELETE != code)
1496 CASetMoreBitFromBlock(dataLength, block2);
1498 // if block number is 0, add size2 option
1499 if (0 == block2->num)
1501 res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE2, dataLength, options);
1502 if (CA_STATUS_OK != res)
1504 OIC_LOG(ERROR, TAG, "add has failed");
1509 res = CAAddBlockOptionImpl(block2, COAP_OPTION_BLOCK2, options);
1510 if (CA_STATUS_OK != res)
1512 OIC_LOG(ERROR, TAG, "add has failed");
1518 OIC_LOG(DEBUG, TAG, "combining block1 and block2");
1519 res = CAAddBlockOptionImpl(block1, COAP_OPTION_BLOCK1, options);
1520 if (CA_STATUS_OK != res)
1522 OIC_LOG(ERROR, TAG, "add has failed");
1525 // initialize block number
1529 res = CAAddOptionToPDU(*pdu, options);
1530 if (CA_STATUS_OK != res)
1532 OIC_LOG(ERROR, TAG, "add has failed");
1536 if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info->payload,
1537 block2->num, block2->szx))
1539 OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
1540 return CA_STATUS_FAILED;
1543 CALogBlockInfo(block2);
1547 // if sent message is last response block message, remove data
1548 CARemoveBlockDataFromList(blockID);
1553 OIC_LOG(DEBUG, TAG, "option2, not response msg");
1554 res = CAAddBlockOptionImpl(block2, COAP_OPTION_BLOCK2, options);
1555 if (CA_STATUS_OK != res)
1557 OIC_LOG(ERROR, TAG, "add has failed");
1561 res = CAAddOptionToPDU(*pdu, options);
1562 if (CA_STATUS_OK != res)
1564 OIC_LOG(ERROR, TAG, "add has failed");
1567 CALogBlockInfo(block2);
1570 return CA_STATUS_OK;
1573 CARemoveBlockDataFromList(blockID);
1577 CAResult_t CAAddBlockOption1(coap_pdu_t **pdu, const CAInfo_t *info, size_t dataLength,
1578 const CABlockDataID_t *blockID, coap_list_t **options)
1580 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption1");
1581 VERIFY_NON_NULL(pdu, TAG, "pdu");
1582 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1583 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1584 VERIFY_NON_NULL(info, TAG, "info");
1585 VERIFY_NON_NULL(blockID, TAG, "blockID");
1586 VERIFY_NON_NULL(options, TAG, "options");
1588 // get set block data from CABlock list-set.
1589 coap_block_t *block1 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK1);
1592 OIC_LOG(ERROR, TAG, "getting has failed");
1593 return CA_STATUS_FAILED;
1596 CAResult_t res = CA_STATUS_OK;
1597 uint32_t code = (*pdu)->hdr->coap_hdr_udp_t.code;
1598 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
1600 CASetMoreBitFromBlock(dataLength, block1);
1602 // if block number is 0, add size1 option
1603 if (0 == block1->num)
1605 res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE1, dataLength, options);
1606 if (CA_STATUS_OK != res)
1608 OIC_LOG(ERROR, TAG, "add has failed");
1613 // add block option to option list.
1614 res = CAAddBlockOptionImpl(block1, COAP_OPTION_BLOCK1, options);
1615 if (CA_STATUS_OK != res)
1617 OIC_LOG(ERROR, TAG, "add has failed");
1621 // add option list to pdu.
1622 res = CAAddOptionToPDU(*pdu, options);
1623 if (CA_STATUS_OK != res)
1625 OIC_LOG(ERROR, TAG, "add has failed");
1629 // add the payload data as the block size.
1630 if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info->payload, block1->num,
1633 OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
1634 return CA_STATUS_FAILED;
1639 OIC_LOG(DEBUG, TAG, "received response message with block option1");
1641 // add block option to option list.
1642 res = CAAddBlockOptionImpl(block1, COAP_OPTION_BLOCK1, options);
1643 if (CA_STATUS_OK != res)
1645 OIC_LOG(ERROR, TAG, "add has failed");
1649 // add option list to pdu.
1650 res = CAAddOptionToPDU(*pdu, options);
1651 if (CA_STATUS_OK != res)
1653 OIC_LOG(ERROR, TAG, "add has failed");
1657 // add the payload data as the block size.
1658 if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info->payload))
1660 OIC_LOG(ERROR, TAG, "failed to add payload");
1661 return CA_STATUS_FAILED;
1664 // if it is last block message, remove block data from list.
1667 // remove data from list
1668 res = CARemoveBlockDataFromList(blockID);
1669 if (CA_STATUS_OK != res)
1671 OIC_LOG(ERROR, TAG, "remove has failed");
1677 CALogBlockInfo(block1);
1679 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption1");
1681 return CA_STATUS_OK;
1684 CARemoveBlockDataFromList(blockID);
1688 CAResult_t CAAddBlockOptionImpl(coap_block_t *block, uint8_t blockType,
1689 coap_list_t **options)
1691 OIC_LOG(DEBUG, TAG, "IN-AddBlockOptionImpl");
1692 VERIFY_NON_NULL(block, TAG, "block");
1693 VERIFY_NON_NULL(options, TAG, "options");
1695 unsigned char buf[BLOCKWISE_OPTION_BUFFER] = { 0 };
1696 unsigned int optionLength = coap_encode_var_bytes(buf,
1697 ((block->num << BLOCK_NUMBER_IDX)
1698 | (block->m << BLOCK_M_BIT_IDX)
1701 int ret = coap_insert(options,
1702 CACreateNewOptionNode(blockType, optionLength, (char *) buf),
1706 return CA_STATUS_INVALID_PARAM;
1709 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOptionImpl");
1710 return CA_STATUS_OK;
1713 CAResult_t CAAddOptionToPDU(coap_pdu_t *pdu, coap_list_t **options)
1715 // after adding the block option to option list, add option list to pdu.
1718 for (coap_list_t *opt = *options; opt; opt = opt->next)
1720 OIC_LOG_V(DEBUG, TAG, "[%s] opt will be added.",
1721 COAP_OPTION_DATA(*(coap_option *) opt->data));
1723 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length", pdu->length);
1724 int ret = coap_add_option(pdu, COAP_OPTION_KEY(*(coap_option *) opt->data),
1725 COAP_OPTION_LENGTH(*(coap_option *) opt->data),
1726 COAP_OPTION_DATA(*(coap_option *) opt->data), coap_udp);
1729 return CA_STATUS_FAILED;
1734 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length after option", pdu->length);
1736 return CA_STATUS_OK;
1739 CAResult_t CAAddBlockSizeOption(coap_pdu_t *pdu, uint16_t sizeType, size_t dataLength,
1740 coap_list_t **options)
1742 OIC_LOG(DEBUG, TAG, "IN-CAAddBlockSizeOption");
1743 VERIFY_NON_NULL(pdu, TAG, "pdu");
1744 VERIFY_NON_NULL(options, TAG, "options");
1746 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1748 OIC_LOG(ERROR, TAG, "unknown option type");
1749 return CA_STATUS_FAILED;
1752 unsigned char value[BLOCKWISE_OPTION_BUFFER] = { 0 };
1753 unsigned int optionLength = coap_encode_var_bytes(value, dataLength);
1755 int ret = coap_insert(options,
1756 CACreateNewOptionNode(sizeType, optionLength, (char *) value),
1760 return CA_STATUS_INVALID_PARAM;
1763 OIC_LOG(DEBUG, TAG, "OUT-CAAddBlockSizeOption");
1765 return CA_STATUS_OK;
1768 // TODO make pdu const after libcoap is updated to support that.
1769 bool CAIsPayloadLengthInPduWithBlockSizeOption(coap_pdu_t *pdu,
1771 size_t *totalPayloadLen)
1773 OIC_LOG(DEBUG, TAG, "IN-CAIsPayloadLengthInPduWithBlockSizeOption");
1774 VERIFY_NON_NULL(pdu, TAG, "pdu");
1775 VERIFY_NON_NULL(totalPayloadLen, TAG, "totalPayloadLen");
1777 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1779 OIC_LOG(ERROR, TAG, "unknown option type");
1780 return CA_STATUS_FAILED;
1783 coap_opt_iterator_t opt_iter;
1784 coap_opt_t *option = coap_check_option(pdu, sizeType, &opt_iter);
1787 OIC_LOG(DEBUG, TAG, "get size option from pdu");
1788 *totalPayloadLen = coap_decode_var_bytes(COAP_OPT_VALUE(option),
1789 COAP_OPT_LENGTH(option));
1791 OIC_LOG_V(DEBUG, TAG, "the total payload length to be received is [%zu]bytes",
1797 OIC_LOG(DEBUG, TAG, "OUT-CAIsPayloadLengthInPduWithBlockSizeOption");
1802 uint8_t CACheckBlockErrorType(CABlockData_t *currData, coap_block_t *receivedBlock,
1803 const CAData_t *receivedData, uint16_t blockType,
1806 OIC_LOG(DEBUG, TAG, "IN-CheckBlockError");
1808 VERIFY_NON_NULL(currData, TAG, "currData is NULL");
1809 VERIFY_NON_NULL(receivedBlock, TAG, "receivedBlock is NULL");
1810 VERIFY_NON_NULL(receivedData, TAG, "receivedData is NULL");
1812 // #1. check the received payload length
1813 size_t blockPayloadLen = 0;
1814 CAGetPayloadInfo(receivedData, &blockPayloadLen);
1816 // #2. check if the block sequence is right
1817 if (COAP_OPTION_BLOCK1 == blockType)
1819 size_t prePayloadLen = currData->receivedPayloadLen;
1820 if (prePayloadLen != (size_t) BLOCK_SIZE(receivedBlock->szx) * receivedBlock->num)
1822 if (receivedBlock->num > currData->block1.num + 1)
1824 // 408 Error handling of block loss
1825 OIC_LOG(ERROR, TAG, "option1: error 4.08");
1826 OIC_LOG(ERROR, TAG, "it didn't order");
1827 return CA_BLOCK_INCOMPLETE;
1829 return CA_BLOCK_RECEIVED_ALREADY;
1832 else if (COAP_OPTION_BLOCK2 == blockType)
1834 if (receivedBlock->num != currData->block2.num)
1836 if (receivedBlock->num > currData->block2.num)
1838 // 408 Error handling of block loss
1839 OIC_LOG(ERROR, TAG, "option2: error 4.08");
1840 OIC_LOG(ERROR, TAG, "it didn't order");
1841 return CA_BLOCK_INCOMPLETE;
1843 return CA_BLOCK_RECEIVED_ALREADY;
1847 // #3. check if error check logic is required
1848 size_t optionLen = dataLen - blockPayloadLen;
1849 if (receivedBlock->m && blockPayloadLen != (size_t) BLOCK_SIZE(receivedBlock->szx))
1851 // 413 Error handling of too large entity
1852 if (COAP_MAX_PDU_SIZE < BLOCK_SIZE(receivedBlock->szx) + optionLen)
1854 // buffer size is smaller than received block size
1855 OIC_LOG(ERROR, TAG, "error type 4.13");
1856 OIC_LOG(ERROR, TAG, "too large size");
1858 // set the block size to be smaller than COAP_MAX_PDU_SIZE
1859 for (int32_t size = CA_DEFAULT_BLOCK_SIZE; size >= 0; size--)
1861 if (COAP_MAX_PDU_SIZE >= BLOCK_SIZE(size) + optionLen)
1863 OIC_LOG_V(ERROR, TAG, "replace sze with %d", size);
1864 currData->block2.szx = size;
1865 currData->block1.szx = size;
1869 return CA_BLOCK_TOO_LARGE;
1873 // 408 Error handling of payload loss
1874 OIC_LOG(ERROR, TAG, "error type 4.08");
1875 OIC_LOG(ERROR, TAG, "payload len != block sze");
1876 return CA_BLOCK_INCOMPLETE;
1879 else if (0 == receivedBlock->m && 0 != currData->payloadLength)
1881 // if the received block is last block, check the total payload length
1882 size_t receivedPayloadLen = currData->receivedPayloadLen;
1883 receivedPayloadLen += blockPayloadLen;
1885 if (receivedPayloadLen != currData->payloadLength)
1887 OIC_LOG(ERROR, TAG, "error type 4.08");
1888 OIC_LOG(ERROR, TAG, "total payload length is wrong");
1889 return CA_BLOCK_INCOMPLETE;
1893 OIC_LOG(DEBUG, TAG, "received all data normally");
1895 OIC_LOG(DEBUG, TAG, "OUT-CheckBlockError");
1897 return CA_BLOCK_UNKNOWN;
1900 CAResult_t CAUpdatePayloadData(CABlockData_t *currData, const CAData_t *receivedData,
1901 uint8_t status, bool isSizeOption, uint16_t blockType)
1903 OIC_LOG(DEBUG, TAG, "IN-UpdatePayloadData");
1905 VERIFY_NON_NULL(currData, TAG, "currData");
1906 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
1908 // if error code is 4.08, do not update payload
1909 if (CA_BLOCK_INCOMPLETE == status)
1911 OIC_LOG(ERROR, TAG, "no require to update");
1912 return CA_STATUS_OK;
1915 size_t blockPayloadLen = 0;
1916 CAPayload_t blockPayload = CAGetPayloadInfo(receivedData, &blockPayloadLen);
1918 if (CA_BLOCK_TOO_LARGE == status)
1920 blockPayloadLen = (COAP_OPTION_BLOCK2 == blockType) ?
1921 BLOCK_SIZE(currData->block2.szx) : BLOCK_SIZE(currData->block1.szx);
1924 // memory allocation for the received block payload
1925 size_t prePayloadLen = currData->receivedPayloadLen;
1928 if (currData->payloadLength)
1930 // in case the block message has the size option
1931 // allocate the memory for the total payload
1934 CAPayload_t prePayload = currData->payload;
1936 OIC_LOG(DEBUG, TAG, "allocate memory for the total payload");
1937 currData->payload = (CAPayload_t) OICCalloc(1, currData->payloadLength);
1938 if (NULL == currData->payload)
1940 OIC_LOG(ERROR, TAG, "out of memory");
1941 return CA_MEMORY_ALLOC_FAILED;
1943 memcpy(currData->payload, prePayload, prePayloadLen);
1944 OICFree(prePayload);
1947 // update the total payload
1948 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
1952 OIC_LOG(DEBUG, TAG, "allocate memory for the received block payload");
1954 size_t totalPayloadLen = prePayloadLen + blockPayloadLen;
1955 CAPayload_t newPayload = OICRealloc(currData->payload, totalPayloadLen);
1956 if (NULL == newPayload)
1958 OIC_LOG(ERROR, TAG, "out of memory");
1959 return CA_MEMORY_ALLOC_FAILED;
1962 // update the total payload
1963 memset(newPayload + prePayloadLen, 0, blockPayloadLen);
1964 currData->payload = newPayload;
1965 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
1968 // update received payload length
1969 currData->receivedPayloadLen += blockPayloadLen;
1971 OIC_LOG_V(DEBUG, TAG, "updated payload: %s, len: %zu", currData->payload,
1972 currData->receivedPayloadLen);
1975 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayloadData");
1976 return CA_STATUS_OK;
1979 CAData_t* CACreateNewDataSet(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint)
1981 VERIFY_NON_NULL_RET(pdu, TAG, "pdu", NULL);
1982 VERIFY_NON_NULL_RET(pdu->hdr, TAG, "pdu->hdr", NULL);
1983 VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
1985 CARequestInfo_t* requestInfo = NULL;
1986 CAResponseInfo_t* responseInfo = NULL;
1988 uint32_t code = pdu->hdr->coap_hdr_udp_t.code;
1989 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
1991 CAInfo_t responseData = { .tokenLength = pdu->hdr->coap_hdr_udp_t.token_length };
1992 responseData.token = (CAToken_t) OICMalloc(responseData.tokenLength);
1993 if (!responseData.token)
1995 OIC_LOG(ERROR, TAG, "out of memory");
1998 memcpy(responseData.token, pdu->hdr->coap_hdr_udp_t.token, responseData.tokenLength);
2000 responseInfo = (CAResponseInfo_t*) OICCalloc(1, sizeof(CAResponseInfo_t));
2003 OIC_LOG(ERROR, TAG, "out of memory");
2004 OICFree(responseData.token);
2007 responseInfo->info = responseData;
2011 CAInfo_t requestData = { .tokenLength = pdu->hdr->coap_hdr_udp_t.token_length };
2012 requestData.token = (CAToken_t) OICMalloc(requestData.tokenLength);
2013 if (!requestData.token)
2015 OIC_LOG(ERROR, TAG, "out of memory");
2018 memcpy(requestData.token, pdu->hdr->coap_hdr_udp_t.token, requestData.tokenLength);
2020 requestInfo = (CARequestInfo_t*) OICCalloc(1, sizeof(CARequestInfo_t));
2023 OIC_LOG(ERROR, TAG, "out of memory");
2024 OICFree(requestData.token);
2027 requestInfo->info = requestData;
2029 // get resource uri information from received response message
2030 // to send next request message to remote device
2031 CAResponseInfo_t resInfo = { 0 };
2032 CAGetResponseInfoFromPDU(pdu, &resInfo, endpoint);
2034 requestInfo->method = CA_GET;
2035 requestInfo->info.resourceUri = resInfo.info.resourceUri;
2038 CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
2041 OIC_LOG(ERROR, TAG, "out of memory");
2042 OICFree(requestInfo);
2043 OICFree(responseInfo);
2047 data->requestInfo = requestInfo;
2048 data->responseInfo = responseInfo;
2049 data->remoteEndpoint = CACloneEndpoint(endpoint);
2050 data->type = SEND_TYPE_UNICAST;
2055 CAData_t *CACloneCAData(const CAData_t *data)
2057 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2059 CAData_t *clone = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
2062 OIC_LOG(ERROR, TAG, "out of memory");
2067 if (data->requestInfo)
2069 clone->requestInfo = CACloneRequestInfo(data->requestInfo);
2071 else if (data->responseInfo)
2073 clone->responseInfo = CACloneResponseInfo(data->responseInfo);
2076 if (data->remoteEndpoint)
2078 clone->remoteEndpoint = CACloneEndpoint(data->remoteEndpoint);
2084 CAResult_t CAUpdatePayloadToCAData(CAData_t *data, const CAPayload_t payload,
2087 OIC_LOG(DEBUG, TAG, "IN-UpdatePayload");
2089 VERIFY_NON_NULL(data, TAG, "data is NULL");
2090 VERIFY_NON_NULL(payload, TAG, "payload is NULL");
2092 CAPayload_t newPayload = NULL;
2093 switch (data->dataType)
2095 case CA_REQUEST_DATA:
2096 if (!data->requestInfo)
2098 OIC_LOG(ERROR, TAG, "request info is null");
2099 return CA_STATUS_FAILED;
2101 // allocate payload field
2102 newPayload = OICRealloc(data->requestInfo->info.payload, payloadLen);
2105 OIC_LOG(ERROR, TAG, "out of memory");
2106 return CA_STATUS_FAILED;
2108 data->requestInfo->info.payload = newPayload;
2109 memcpy(data->requestInfo->info.payload, payload, payloadLen);
2110 data->requestInfo->info.payloadSize = payloadLen;
2113 case CA_RESPONSE_DATA:
2114 if (!data->responseInfo)
2116 OIC_LOG(ERROR, TAG, "response info is null");
2117 return CA_STATUS_FAILED;
2119 // allocate payload field
2120 newPayload = OICRealloc(data->responseInfo->info.payload, payloadLen);
2123 OIC_LOG(ERROR, TAG, "out of memory");
2124 return CA_STATUS_FAILED;
2126 data->responseInfo->info.payload = newPayload;
2127 memcpy(data->responseInfo->info.payload, payload, payloadLen);
2128 data->responseInfo->info.payloadSize = payloadLen;
2132 // does not occur case
2133 OIC_LOG(ERROR, TAG, "not supported data type");
2134 return CA_NOT_SUPPORTED;
2137 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayload");
2139 return CA_STATUS_OK;
2142 CAPayload_t CAGetPayloadInfo(const CAData_t *data, size_t *payloadLen)
2144 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2145 VERIFY_NON_NULL_RET(payloadLen, TAG, "payloadLen", NULL);
2147 if (data->requestInfo)
2149 if (data->requestInfo->info.payload)
2151 *payloadLen = data->requestInfo->info.payloadSize;
2152 return data->requestInfo->info.payload;
2157 if (data->responseInfo->info.payload)
2159 *payloadLen = data->responseInfo->info.payloadSize;
2160 return data->responseInfo->info.payload;
2167 CAResult_t CAHandleBlockErrorResponse(coap_block_t *block, uint16_t blockType,
2168 uint32_t responseResult)
2170 OIC_LOG(DEBUG, TAG, "IN-HandleBlockErrorRes");
2171 VERIFY_NON_NULL(block, TAG, "block is NULL");
2173 // update block data
2174 switch (responseResult)
2176 case CA_REQUEST_ENTITY_INCOMPLETE:
2179 case CA_REQUEST_ENTITY_TOO_LARGE:
2180 if (COAP_OPTION_BLOCK1 == blockType)
2187 OIC_LOG_V(ERROR, TAG, "there is no Error Code of BWT[%d]", responseResult);
2188 return CA_STATUS_FAILED;
2191 OIC_LOG(DEBUG, TAG, "OUT-HandleBlockErrorRes");
2192 return CA_STATUS_OK;
2195 CAResult_t CAUpdateBlockOptionType(const CABlockDataID_t *blockID,
2198 OIC_LOG(DEBUG, TAG, "IN-UpdateBlockOptionType");
2199 VERIFY_NON_NULL(blockID, TAG, "blockID");
2201 ca_mutex_lock(g_context.blockDataListMutex);
2203 size_t len = u_arraylist_length(g_context.dataList);
2204 for (size_t i = 0; i < len; i++)
2206 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2207 if (CABlockidMatches(currData, blockID))
2209 currData->type = blockType;
2210 ca_mutex_unlock(g_context.blockDataListMutex);
2211 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2212 return CA_STATUS_OK;
2215 ca_mutex_unlock(g_context.blockDataListMutex);
2217 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2218 return CA_STATUS_FAILED;
2221 uint8_t CAGetBlockOptionType(const CABlockDataID_t *blockID)
2223 OIC_LOG(DEBUG, TAG, "IN-GetBlockOptionType");
2224 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", 0);
2226 ca_mutex_lock(g_context.blockDataListMutex);
2228 size_t len = u_arraylist_length(g_context.dataList);
2229 for (size_t i = 0; i < len; i++)
2231 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2232 if (CABlockidMatches(currData, blockID))
2234 ca_mutex_unlock(g_context.blockDataListMutex);
2235 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2236 return currData->type;
2239 ca_mutex_unlock(g_context.blockDataListMutex);
2241 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2245 CAData_t *CAGetDataSetFromBlockDataList(const CABlockDataID_t *blockID)
2247 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2249 ca_mutex_lock(g_context.blockDataListMutex);
2251 size_t len = u_arraylist_length(g_context.dataList);
2252 for (size_t i = 0; i < len; i++)
2254 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2255 if (CABlockidMatches(currData, blockID))
2257 ca_mutex_unlock(g_context.blockDataListMutex);
2258 return currData->sentData;
2261 ca_mutex_unlock(g_context.blockDataListMutex);
2266 CAResult_t CAGetTokenFromBlockDataList(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
2267 CAResponseInfo_t *responseInfo)
2269 OIC_LOG(DEBUG, TAG, "IN-CAGetTokenFromBlockDataList");
2270 VERIFY_NON_NULL(pdu, TAG, "pdu");
2271 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
2272 VERIFY_NON_NULL(responseInfo, TAG, "responseInfo");
2274 ca_mutex_lock(g_context.blockDataListMutex);
2276 size_t len = u_arraylist_length(g_context.dataList);
2277 for (size_t i = 0; i < len; i++)
2279 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2280 if (NULL == currData)
2285 if (NULL != currData->sentData && NULL != currData->sentData->requestInfo)
2287 if (pdu->hdr->coap_hdr_udp_t.id == currData->sentData->requestInfo->info.messageId &&
2288 endpoint->adapter == currData->sentData->remoteEndpoint->adapter)
2290 if (NULL != currData->sentData->requestInfo->info.token)
2292 uint8_t length = currData->sentData->requestInfo->info.tokenLength;
2293 responseInfo->info.tokenLength = length;
2294 responseInfo->info.token = (char *) OICMalloc(length);
2295 if (NULL == responseInfo->info.token)
2297 OIC_LOG(ERROR, TAG, "out of memory");
2298 ca_mutex_unlock(g_context.blockDataListMutex);
2299 return CA_MEMORY_ALLOC_FAILED;
2301 memcpy(responseInfo->info.token, currData->sentData->requestInfo->info.token,
2302 responseInfo->info.tokenLength);
2304 ca_mutex_unlock(g_context.blockDataListMutex);
2305 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2306 return CA_STATUS_OK;
2312 ca_mutex_unlock(g_context.blockDataListMutex);
2314 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2315 return CA_STATUS_FAILED;
2318 CAResult_t CACheckBlockDataValidation(const CAData_t *sendData, CABlockData_t **blockData)
2320 VERIFY_NON_NULL(sendData, TAG, "sendData");
2321 VERIFY_NON_NULL(blockData, TAG, "blockData");
2323 CABlockDataID_t* blockDataID;
2324 if(sendData->requestInfo)
2326 blockDataID = CACreateBlockDatablockId(
2327 (CAToken_t)sendData->requestInfo->info.token,
2328 sendData->requestInfo->info.tokenLength,
2329 sendData->remoteEndpoint->port);
2331 else if(sendData->responseInfo)
2333 blockDataID = CACreateBlockDatablockId(
2334 (CAToken_t)sendData->responseInfo->info.token,
2335 sendData->responseInfo->info.tokenLength,
2336 sendData->remoteEndpoint->port);
2340 OIC_LOG(ERROR, TAG, "sendData doesn't have requestInfo or responseInfo");
2341 return CA_STATUS_FAILED;
2344 if (NULL == blockDataID || blockDataID->idLength < 1)
2346 OIC_LOG(ERROR, TAG, "blockId is null");
2347 CADestroyBlockID(blockDataID);
2348 return CA_STATUS_FAILED;
2351 ca_mutex_lock(g_context.blockDataListMutex);
2353 size_t len = u_arraylist_length(g_context.dataList);
2354 for (size_t i = 0; i < len; i++)
2356 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2362 if (sendData->requestInfo) // sendData is requestMessage
2364 OIC_LOG(DEBUG, TAG, "Send request");
2365 if (NULL != currData->blockDataId
2366 && NULL != currData->blockDataId->id
2367 && currData->blockDataId->idLength > 0
2368 && NULL != sendData->requestInfo->info.token)
2370 if (CABlockidMatches(currData, blockDataID))
2372 OIC_LOG(ERROR, TAG, "already sent");
2377 else if (sendData->responseInfo) // sendData is responseMessage
2379 OIC_LOG(DEBUG, TAG, "Send response");
2380 if (NULL != currData->blockDataId
2381 && NULL != currData->blockDataId->id
2382 && currData->blockDataId->idLength > 0
2383 && NULL != sendData->responseInfo->info.token)
2385 if (CABlockidMatches(currData, blockDataID))
2388 if (NULL != currData->sentData)
2390 OIC_LOG(DEBUG, TAG, "init block number");
2391 CADestroyDataSet(currData->sentData);
2393 currData->sentData = CACloneCAData(sendData);
2394 *blockData = currData;
2395 ca_mutex_unlock(g_context.blockDataListMutex);
2396 CADestroyBlockID(blockDataID);
2397 return CA_STATUS_OK;
2403 OIC_LOG(ERROR, TAG, "no CAInfo data");
2407 ca_mutex_unlock(g_context.blockDataListMutex);
2409 CADestroyBlockID(blockDataID);
2411 return CA_STATUS_FAILED;
2414 CABlockData_t *CAGetBlockDataFromBlockDataList(const CABlockDataID_t *blockID)
2416 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2418 ca_mutex_lock(g_context.blockDataListMutex);
2420 size_t len = u_arraylist_length(g_context.dataList);
2421 for (size_t i = 0; i < len; i++)
2423 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2424 if (CABlockidMatches(currData, blockID))
2426 ca_mutex_unlock(g_context.blockDataListMutex);
2430 ca_mutex_unlock(g_context.blockDataListMutex);
2435 coap_block_t *CAGetBlockOption(const CABlockDataID_t *blockID, uint16_t blockType)
2437 OIC_LOG(DEBUG, TAG, "IN-GetBlockOption");
2438 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2440 ca_mutex_lock(g_context.blockDataListMutex);
2442 size_t len = u_arraylist_length(g_context.dataList);
2443 for (size_t i = 0; i < len; i++)
2445 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2446 if (CABlockidMatches(currData, blockID))
2448 ca_mutex_unlock(g_context.blockDataListMutex);
2449 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2450 if (COAP_OPTION_BLOCK2 == blockType)
2452 return &currData->block2;
2454 else if (COAP_OPTION_BLOCK1 == blockType)
2456 return &currData->block1;
2460 ca_mutex_unlock(g_context.blockDataListMutex);
2462 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2466 CAPayload_t CAGetPayloadFromBlockDataList(const CABlockDataID_t *blockID,
2467 size_t *fullPayloadLen)
2469 OIC_LOG(DEBUG, TAG, "IN-GetFullPayload");
2470 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2471 VERIFY_NON_NULL_RET(fullPayloadLen, TAG, "fullPayloadLen", NULL);
2473 ca_mutex_lock(g_context.blockDataListMutex);
2475 size_t len = u_arraylist_length(g_context.dataList);
2476 for (size_t i = 0; i < len; i++)
2478 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2479 if (CABlockidMatches(currData, blockID))
2481 ca_mutex_unlock(g_context.blockDataListMutex);
2482 *fullPayloadLen = currData->receivedPayloadLen;
2483 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2484 return currData->payload;
2487 ca_mutex_unlock(g_context.blockDataListMutex);
2489 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2493 CABlockData_t *CACreateNewBlockData(const CAData_t *sendData)
2495 OIC_LOG(DEBUG, TAG, "IN-CACreateNewBlockData");
2496 VERIFY_NON_NULL_RET(sendData, TAG, "sendData", NULL);
2498 // create block data
2499 CABlockData_t *data = (CABlockData_t *) OICCalloc(1, sizeof(CABlockData_t));
2502 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2506 data->block1.szx = CA_DEFAULT_BLOCK_SIZE;
2507 data->block2.szx = CA_DEFAULT_BLOCK_SIZE;
2508 data->sentData = CACloneCAData(sendData);
2509 if (!data->sentData)
2511 OIC_LOG(ERROR, TAG, PCF("memory alloc has failed"));
2516 CAToken_t token = NULL;
2517 uint8_t tokenLength = 0;
2518 if (data->sentData->requestInfo)
2520 // update token info
2521 tokenLength = data->sentData->requestInfo->info.tokenLength;
2522 token = data->sentData->requestInfo->info.token;
2524 else if (data->sentData->responseInfo)
2526 tokenLength = data->sentData->responseInfo->info.tokenLength;
2527 token = data->sentData->responseInfo->info.token;
2530 if (!data->sentData->remoteEndpoint)
2532 OIC_LOG(ERROR, TAG, "remoteEndpoint is null");
2533 CADestroyDataSet(data->sentData);
2538 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(token, tokenLength,
2539 data->sentData->remoteEndpoint->port);
2540 if (NULL == blockDataID || blockDataID->idLength < 1)
2542 OIC_LOG(ERROR, TAG, "blockId is null");
2543 CADestroyBlockID(blockDataID);
2544 CADestroyDataSet(data->sentData);
2548 data->blockDataId = blockDataID;
2550 ca_mutex_lock(g_context.blockDataListMutex);
2552 bool res = u_arraylist_add(g_context.dataList, (void *) data);
2555 OIC_LOG(ERROR, TAG, "add has failed");
2556 CADestroyBlockID(data->blockDataId);
2557 CADestroyDataSet(data->sentData);
2559 ca_mutex_unlock(g_context.blockDataListMutex);
2562 ca_mutex_unlock(g_context.blockDataListMutex);
2564 OIC_LOG(DEBUG, TAG, "OUT-CreateBlockData");
2568 CAResult_t CARemoveBlockDataFromList(const CABlockDataID_t *blockID)
2570 OIC_LOG(DEBUG, TAG, "CARemoveBlockData");
2571 VERIFY_NON_NULL(blockID, TAG, "blockID");
2573 ca_mutex_lock(g_context.blockDataListMutex);
2575 size_t len = u_arraylist_length(g_context.dataList);
2576 for (size_t i = 0; i < len; i++)
2578 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2579 if (CABlockidMatches(currData, blockID))
2581 CABlockData_t *removedData = u_arraylist_remove(g_context.dataList, i);
2584 OIC_LOG(ERROR, TAG, "data is NULL");
2585 ca_mutex_unlock(g_context.blockDataListMutex);
2586 return CA_STATUS_FAILED;
2590 CADestroyDataSet(currData->sentData);
2591 CADestroyBlockID(currData->blockDataId);
2592 OICFree(currData->payload);
2594 ca_mutex_unlock(g_context.blockDataListMutex);
2595 return CA_STATUS_OK;
2598 ca_mutex_unlock(g_context.blockDataListMutex);
2600 return CA_STATUS_OK;
2603 void CADestroyDataSet(CAData_t* data)
2605 VERIFY_NON_NULL_VOID(data, TAG, "data");
2607 CAFreeEndpoint(data->remoteEndpoint);
2608 CADestroyRequestInfoInternal(data->requestInfo);
2609 CADestroyResponseInfoInternal(data->responseInfo);
2613 CABlockDataID_t* CACreateBlockDatablockId(const CAToken_t token, uint8_t tokenLength,
2614 uint16_t portNumber)
2616 char port[PORT_LENGTH] = { 0, };
2617 port[0] = (char) ((portNumber >> 8) & 0xFF);
2618 port[1] = (char) (portNumber & 0xFF);
2620 CABlockDataID_t* blockDataID = (CABlockDataID_t *) OICMalloc(sizeof(CABlockDataID_t));
2623 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2626 blockDataID->idLength = tokenLength + sizeof(port);
2627 blockDataID->id = (uint8_t *) OICMalloc(blockDataID->idLength);
2628 if (!blockDataID->id)
2630 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2631 OICFree(blockDataID);
2637 memcpy(blockDataID->id, token, tokenLength);
2640 memcpy(blockDataID->id + tokenLength, port, sizeof(port));
2642 OIC_LOG(DEBUG, TAG, "BlockID is ");
2643 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *)blockDataID->id, blockDataID->idLength);
2648 void CADestroyBlockID(CABlockDataID_t *blockID)
2650 VERIFY_NON_NULL_VOID(blockID, TAG, "blockID");
2651 OICFree(blockID->id);
2656 bool CABlockidMatches(const CABlockData_t *currData, const CABlockDataID_t *blockID)
2658 VERIFY_NON_NULL_RET(currData, TAG, "currData", false);
2659 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", false);
2660 VERIFY_NON_NULL_RET(blockID->id, TAG, "blockID->id", false);
2662 if ((currData->blockDataId)
2663 && (currData->blockDataId->id)
2664 && (currData->blockDataId->idLength == blockID->idLength)
2665 && !memcmp(currData->blockDataId->id, blockID->id, currData->blockDataId->idLength))
2672 void CALogBlockInfo(coap_block_t *block)
2674 VERIFY_NON_NULL_VOID(block, TAG, "block");
2676 OIC_LOG(DEBUG, TAG, "block option info");
2678 OIC_LOG_V(DEBUG, TAG, "block option-num : %d", block->num);
2680 OIC_LOG_V(DEBUG, TAG, "block option-m : %d", block->m);
2682 OIC_LOG_V(DEBUG, TAG, "block option-szx : %d", block->szx);