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"
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 = { 0 };
58 static bool CACheckPayloadLength(const CAData_t *sendData)
60 size_t payloadLen = 0;
61 CAGetPayloadInfo(sendData, &payloadLen);
63 // check if message has to be transfered to a block
64 size_t maxBlockSize = BLOCK_SIZE(CA_DEFAULT_BLOCK_SIZE);
65 OIC_LOG_V(DEBUG, TAG, "payloadLen=%d, maxBlockSize=%d", payloadLen, maxBlockSize);
67 if (payloadLen <= maxBlockSize)
75 CAResult_t CAInitializeBlockWiseTransfer(CASendThreadFunc sendThreadFunc,
76 CAReceiveThreadFunc receivedThreadFunc)
78 OIC_LOG(DEBUG, TAG, "initialize");
80 // set block-wise transfer context
81 if (!g_context.sendThreadFunc)
83 g_context.sendThreadFunc = sendThreadFunc;
86 if (!g_context.receivedThreadFunc)
88 g_context.receivedThreadFunc = receivedThreadFunc;
91 if (!g_context.dataList)
93 g_context.dataList = u_arraylist_create();
96 CAResult_t res = CAInitBlockWiseMutexVariables();
97 if (CA_STATUS_OK != res)
99 OIC_LOG(ERROR, TAG, "init has failed");
105 CAResult_t CATerminateBlockWiseTransfer()
107 OIC_LOG(DEBUG, TAG, "terminate");
109 if (g_context.dataList)
111 u_arraylist_free(&g_context.dataList);
114 CATerminateBlockWiseMutexVariables();
119 CAResult_t CAInitBlockWiseMutexVariables()
121 OIC_LOG(DEBUG, TAG, "IN");
123 if (!g_context.blockDataListMutex)
125 g_context.blockDataListMutex = ca_mutex_new();
126 if (!g_context.blockDataListMutex)
128 OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
129 return CA_STATUS_FAILED;
133 if (!g_context.blockDataSenderMutex)
135 g_context.blockDataSenderMutex = ca_mutex_new();
136 if (!g_context.blockDataSenderMutex)
138 OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
139 CATerminateBlockWiseMutexVariables();
140 return CA_STATUS_FAILED;
147 void CATerminateBlockWiseMutexVariables()
149 OIC_LOG(DEBUG, TAG, "IN");
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->responseInfo)
171 if (CA_MSG_RESET == sendData->responseInfo->info.type)
173 OIC_LOG(DEBUG, TAG, "reset message can't be sent to the block");
174 return CA_NOT_SUPPORTED;
178 // #1. check if it is already included in block data list
179 CABlockData_t *currData = NULL;
180 CAResult_t res = CACheckBlockDataValidation(sendData, &currData);
181 if (CA_STATUS_OK != res)
183 // #2. if it is not included, add the data into list
186 OIC_LOG(DEBUG, TAG, "There is no block data");
188 bool isBlock = CACheckPayloadLength(sendData);
191 if (sendData->requestInfo)
193 currData = CACreateNewBlockData(sendData);
196 OIC_LOG(ERROR, TAG, "failed to create block data");
197 return CA_MEMORY_ALLOC_FAILED;
200 return CA_NOT_SUPPORTED;
202 currData = CACreateNewBlockData(sendData);
205 OIC_LOG(ERROR, TAG, "failed to create block data");
206 return CA_MEMORY_ALLOC_FAILED;
211 // #3. check request/response block option type and payload length
212 res = CACheckBlockOptionType(currData);
213 if (CA_STATUS_OK == res)
215 // #4. send block message
216 OIC_LOG(DEBUG, TAG, "send first block msg");
217 res = CAAddSendThreadQueue(currData->sentData,
218 (const CABlockDataID_t *)&currData->blockDataId);
219 if (CA_STATUS_OK != res)
221 OIC_LOG(ERROR, TAG, "add has failed");
229 CAResult_t CAAddSendThreadQueue(const CAData_t *sendData, const CABlockDataID_t *blockID)
231 VERIFY_NON_NULL(sendData, TAG, "sendData");
232 VERIFY_NON_NULL(blockID, TAG, "blockID");
234 CAData_t *cloneData = CACloneCAData(sendData);
237 OIC_LOG(ERROR, TAG, "clone has failed");
238 CARemoveBlockDataFromList(blockID);
239 return CA_STATUS_FAILED;
242 if (g_context.sendThreadFunc)
244 ca_mutex_lock(g_context.blockDataSenderMutex);
245 g_context.sendThreadFunc(cloneData);
246 ca_mutex_unlock(g_context.blockDataSenderMutex);
250 CADestroyDataSet(cloneData);
255 CAResult_t CACheckBlockOptionType(CABlockData_t *currData)
257 VERIFY_NON_NULL(currData, TAG, "currData");
258 VERIFY_NON_NULL(currData->sentData, TAG, "currData->sentData");
260 bool isBlock = CACheckPayloadLength(currData->sentData);
263 return CA_NOT_SUPPORTED;
266 // set block option (COAP_OPTION_BLOCK2 or COAP_OPTION_BLOCK1)
267 if (currData->sentData->requestInfo) // request message
269 currData->type = COAP_OPTION_BLOCK1;
271 else // response message
273 currData->type = COAP_OPTION_BLOCK2;
279 // TODO make pdu const after libcoap is updated to support that.
280 CAResult_t CAReceiveBlockWiseData(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
281 const CAData_t *receivedData, size_t dataLen)
283 OIC_LOG(DEBUG, TAG, "CAReceiveBlockWiseData");
284 VERIFY_NON_NULL(pdu, TAG, "pdu");
285 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
286 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
287 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
289 // check if received message type is CA_MSG_RESET
290 if (CA_EMPTY == pdu->hdr->code)
292 OIC_LOG(DEBUG, TAG, "code is CA_EMPTY..");
294 // get token from block-wise transfer list when CA_EMPTY(RST/ACK) is received
295 CAResult_t res = CAGetTokenFromBlockDataList(pdu, endpoint, receivedData->responseInfo);
296 if (CA_STATUS_OK != res)
298 OIC_LOG(ERROR, TAG, "fail to get token");
302 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
303 receivedData->responseInfo->info.token,
304 receivedData->responseInfo->info.tokenLength,
306 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
308 OIC_LOG(ERROR, TAG, "blockId is null");
309 CADestroyBlockID(blockDataID);
310 return CA_STATUS_FAILED;
313 CARemoveBlockDataFromList(blockDataID);
314 CADestroyBlockID(blockDataID);
315 return CA_NOT_SUPPORTED;
318 // check if block option is set and get block data
319 coap_block_t block = {0, 0, 0};
322 int isBlock1 = coap_get_block(pdu, COAP_OPTION_BLOCK1, &block);
325 CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, block, dataLen);
326 if (CA_STATUS_OK != res)
328 OIC_LOG(ERROR, TAG, "setting has failed");
334 int isBlock2 = coap_get_block(pdu, COAP_OPTION_BLOCK2, &block);
337 CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, block, dataLen);
338 if (CA_STATUS_OK != res)
340 OIC_LOG(ERROR, TAG, "setting has failed");
345 // check if there is error code
346 if (!isBlock1 && !isBlock2)
348 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->code);
349 if (CA_REQUEST_ENTITY_INCOMPLETE == code)
351 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
352 (CAToken_t)pdu->hdr->token,
353 pdu->hdr->token_length,
356 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
358 OIC_LOG(ERROR, TAG, "blockId is null");
359 CADestroyBlockID(blockDataID);
360 return CA_STATUS_FAILED;
363 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
366 OIC_LOG(ERROR, TAG, "getting has failed");
367 CADestroyBlockID(blockDataID);
368 return CA_STATUS_FAILED;
371 if (COAP_OPTION_BLOCK2 == data->type)
373 coap_block_t *block2 = CAGetBlockOption(blockDataID, COAP_OPTION_BLOCK2);
376 OIC_LOG(ERROR, TAG, "block is null");
377 CADestroyBlockID(blockDataID);
378 return CA_STATUS_FAILED;
381 CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, *block2,
383 if (CA_STATUS_OK != res)
385 OIC_LOG(ERROR, TAG, "setting has failed");
386 CADestroyBlockID(blockDataID);
390 else if (COAP_OPTION_BLOCK1 == data->type)
392 coap_block_t *block1 = CAGetBlockOption(blockDataID, COAP_OPTION_BLOCK1);
395 OIC_LOG(ERROR, TAG, "block is null");
396 CADestroyBlockID(blockDataID);
397 return CA_STATUS_FAILED;
400 CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, *block1,
402 if (CA_STATUS_OK != res)
404 OIC_LOG(ERROR, TAG, "setting has failed");
405 CADestroyBlockID(blockDataID);
413 OIC_LOG(DEBUG, TAG, "it's normal pdu");
415 // if received data is response message
416 // and sent data remain in block data list, remove block data
417 if (receivedData->responseInfo)
419 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
420 (CAToken_t)pdu->hdr->token,
421 pdu->hdr->token_length,
423 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
425 OIC_LOG(ERROR, TAG, "blockId is null");
426 CADestroyBlockID(blockDataID);
427 return CA_STATUS_FAILED;
430 CARemoveBlockDataFromList(blockDataID);
431 CADestroyBlockID(blockDataID);
433 return CA_NOT_SUPPORTED;
440 CAResult_t CAProcessNextStep(const coap_pdu_t *pdu, const CAData_t *receivedData,
441 uint8_t blockWiseStatus, const CABlockDataID_t *blockID)
443 VERIFY_NON_NULL(pdu, TAG, "pdu");
444 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
445 VERIFY_NON_NULL(blockID, TAG, "blockID");
447 CAResult_t res = CA_STATUS_OK;
448 CAData_t *data = NULL;
450 // process blockWiseStatus
451 switch (blockWiseStatus)
453 case CA_OPTION2_FIRST_BLOCK:
454 res = CAAddSendThreadQueue(receivedData, blockID);
455 if (CA_STATUS_OK != res)
457 OIC_LOG(ERROR, TAG, "add has failed");
463 // add data to send thread
464 data = CAGetDataSetFromBlockDataList(blockID);
467 OIC_LOG(ERROR, TAG, "it's unavailable");
468 return CA_STATUS_FAILED;
471 if (data->requestInfo)
473 data->requestInfo->info.messageId = pdu->hdr->id;
476 if (data->responseInfo)
478 data->responseInfo->info.messageId = pdu->hdr->id;
481 res = CAAddSendThreadQueue(data, blockID);
482 if (CA_STATUS_OK != res)
484 OIC_LOG(ERROR, TAG, "add has failed");
492 case CA_SENT_PREVIOUS_NON_MSG:
493 res = CASendBlockMessage(pdu, CA_MSG_CONFIRM, blockWiseStatus,
495 if (CA_STATUS_OK != res)
497 OIC_LOG(ERROR, TAG, "send has failed");
502 case CA_OPTION2_LAST_BLOCK:
503 // process last block and send upper layer
504 res = CAReceiveLastBlock(blockID, receivedData);
505 if (CA_STATUS_OK != res)
507 OIC_LOG(ERROR, TAG, "receive has failed");
511 // remove data from list
512 res = CARemoveBlockDataFromList(blockID);
513 if (CA_STATUS_OK != res)
515 OIC_LOG(ERROR, TAG, "remove has failed");
520 case CA_OPTION1_NO_ACK_LAST_BLOCK:
521 // process last block and send upper layer
522 res = CAReceiveLastBlock(blockID, receivedData);
523 if (CA_STATUS_OK != res)
525 OIC_LOG(ERROR, TAG, "receive has failed");
529 if (CA_MSG_NONCONFIRM == pdu->hdr->type)
531 // remove data from list
532 res = CARemoveBlockDataFromList(blockID);
533 if (CA_STATUS_OK != res)
535 OIC_LOG(ERROR, TAG, "remove has failed");
541 case CA_OPTION1_NO_ACK_BLOCK:
542 if (CA_MSG_CONFIRM == pdu->hdr->type)
544 // add data to send thread
545 res = CASendBlockMessage(pdu, CA_MSG_ACKNOWLEDGE, blockWiseStatus,
547 if (CA_STATUS_OK != res)
549 OIC_LOG(ERROR, TAG, "send has failed");
555 case CA_BLOCK_INCOMPLETE:
556 if (CA_MSG_CONFIRM == pdu->hdr->type || CA_MSG_ACKNOWLEDGE == pdu->hdr->type)
558 // add data to send thread
559 res = CASendErrorMessage(pdu, blockWiseStatus,
560 CA_REQUEST_ENTITY_INCOMPLETE,
562 if (CA_STATUS_OK != res)
564 OIC_LOG(ERROR, TAG, "send has failed");
570 case CA_BLOCK_TOO_LARGE:
571 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->type)
573 res = CASendBlockMessage(pdu, CA_MSG_CONFIRM, blockWiseStatus,
575 if (CA_STATUS_OK != res)
577 OIC_LOG(ERROR, TAG, "send has failed");
581 else if (CA_MSG_CONFIRM == pdu->hdr->type)
583 res = CASendErrorMessage(pdu, blockWiseStatus,
584 CA_REQUEST_ENTITY_TOO_LARGE,
586 if (CA_STATUS_OK != res)
588 OIC_LOG(ERROR, TAG, "send has failed");
594 OIC_LOG_V(ERROR, TAG, "no logic [%d]", blockWiseStatus);
599 CAResult_t CASendBlockMessage(const coap_pdu_t *pdu, CAMessageType_t msgType,
600 uint8_t status, const CABlockDataID_t *blockID)
602 VERIFY_NON_NULL(pdu, TAG, "pdu");
603 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
604 VERIFY_NON_NULL(blockID, TAG, "blockID");
606 CAData_t *data = CAGetDataSetFromBlockDataList(blockID);
609 OIC_LOG(ERROR, TAG, "CAData is unavailable");
610 return CA_STATUS_FAILED;
613 if (CA_MSG_CONFIRM == msgType)
615 OIC_LOG(DEBUG, TAG, "need new msgID");
616 if (data->requestInfo)
618 data->requestInfo->info.messageId = 0;
621 if (data->responseInfo)
623 data->responseInfo->info.messageId = 0;
626 else if (CA_MSG_ACKNOWLEDGE == msgType)
628 if (data->responseInfo)
630 OIC_LOG(DEBUG, TAG, "set ACK message");
631 data->responseInfo->info.messageId = pdu->hdr->id;
632 data->responseInfo->info.type = CA_MSG_ACKNOWLEDGE;
633 if (CA_OPTION1_NO_ACK_LAST_BLOCK == status)
635 data->responseInfo->result = CA_CHANGED;
637 else if (CA_OPTION1_NO_ACK_BLOCK == status)
639 data->responseInfo->result = CA_CONTINUE;
644 // add data to send thread
645 CAResult_t res = CAAddSendThreadQueue(data, blockID);
646 if (CA_STATUS_OK != res)
648 OIC_LOG(ERROR, TAG, "add has failed");
654 CAResult_t CASendErrorMessage(const coap_pdu_t *pdu, uint8_t status,
655 CAResponseResult_t responseResult,
656 const CABlockDataID_t *blockID)
658 VERIFY_NON_NULL(pdu, TAG, "pdu");
659 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
660 VERIFY_NON_NULL(blockID, TAG, "blockID");
662 // create error responseInfo
663 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockID);
666 OIC_LOG(ERROR, TAG, "data is unavailable");
667 return CA_STATUS_FAILED;
670 CAData_t *cloneData = NULL;
671 if (data->sentData && data->sentData->responseInfo)
673 data->sentData->responseInfo->info.messageId = pdu->hdr->id;
674 data->sentData->responseInfo->info.type = CA_MSG_ACKNOWLEDGE;
675 data->sentData->responseInfo->result = responseResult;
676 cloneData = CACloneCAData(data->sentData);
679 OIC_LOG(ERROR, TAG, "clone has failed");
680 return CA_MEMORY_ALLOC_FAILED;
682 OIC_LOG(DEBUG, TAG, "set ACK message");
684 else if (data->sentData)
686 cloneData = CACreateNewDataSet(pdu, data->sentData->remoteEndpoint);
689 OIC_LOG(ERROR, TAG, PCF("CACreateNewDataSet failed"));
690 return CA_MEMORY_ALLOC_FAILED;
693 cloneData->responseInfo->info.type = CA_MSG_CONFIRM;
694 cloneData->responseInfo->result = responseResult;
695 OIC_LOG(DEBUG, TAG, "set CON message");
699 OIC_LOG(ERROR, TAG, "data has no sent-data");
700 return CA_MEMORY_ALLOC_FAILED;
703 // add data to send thread
704 if (g_context.sendThreadFunc)
706 ca_mutex_lock(g_context.blockDataSenderMutex);
707 g_context.sendThreadFunc(cloneData);
708 ca_mutex_unlock(g_context.blockDataSenderMutex);
712 CADestroyDataSet(cloneData);
715 // if error code is 4.08, remove the stored payload and initialize block number
716 if (CA_BLOCK_INCOMPLETE == status)
718 OICFree(data->payload);
719 data->payload = NULL;
720 data->payloadLength = 0;
721 data->receivedPayloadLen = 0;
722 data->block1.num = 0;
723 data->block2.num = 0;
729 CAResult_t CAReceiveLastBlock(const CABlockDataID_t *blockID,
730 const CAData_t *receivedData)
732 VERIFY_NON_NULL(blockID, TAG, "blockID");
733 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
735 // total block data have to notify to Application
736 CAData_t *cloneData = CACloneCAData(receivedData);
739 OIC_LOG(ERROR, TAG, "clone has failed");
740 return CA_MEMORY_ALLOC_FAILED;
744 size_t fullPayloadLen = 0;
745 CAPayload_t fullPayload = CAGetPayloadFromBlockDataList(blockID,
749 CAResult_t res = CAUpdatePayloadToCAData(cloneData, fullPayload, fullPayloadLen);
750 if (CA_STATUS_OK != res)
752 OIC_LOG(ERROR, TAG, "update has failed");
753 CADestroyDataSet(cloneData);
758 if (g_context.receivedThreadFunc)
760 g_context.receivedThreadFunc(cloneData);
764 CADestroyDataSet(cloneData);
770 // TODO make pdu const after libcoap is updated to support that.
771 CAResult_t CASetNextBlockOption1(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
772 const CAData_t *receivedData, coap_block_t block,
775 OIC_LOG(INFO, TAG, "CASetNextBlockOption1");
776 VERIFY_NON_NULL(pdu, TAG, "pdu");
777 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
778 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
779 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
781 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
783 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
784 (CAToken_t)pdu->hdr->token,
785 pdu->hdr->token_length,
788 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
790 OIC_LOG(ERROR, TAG, "blockId is null");
791 CADestroyBlockID(blockDataID);
792 return CA_STATUS_FAILED;
795 // BlockData data is created if it not existed
796 if (!CAIsBlockDataInList(blockDataID))
798 OIC_LOG(DEBUG, TAG, "no message in list");
800 CAData_t *data = CACreateNewDataSet(pdu, endpoint);
803 OIC_LOG(ERROR, TAG, "data is null");
804 CADestroyBlockID(blockDataID);
805 return CA_STATUS_FAILED;
808 CABlockData_t *currData = CACreateNewBlockData(data);
811 OIC_LOG(ERROR, TAG, "currData is null");
812 CADestroyDataSet(data);
813 CADestroyBlockID(blockDataID);
814 return CA_STATUS_FAILED;
818 // update BLOCK OPTION1 type
819 CAResult_t res = CAUpdateBlockOptionType(blockDataID,
821 if (CA_STATUS_OK != res)
823 OIC_LOG(ERROR, TAG, "update has failed");
824 CARemoveBlockDataFromList(blockDataID);
825 CADestroyBlockID(blockDataID);
829 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
832 OIC_LOG(ERROR, TAG, "getting has failed");
833 CADestroyBlockID(blockDataID);
834 return CA_STATUS_FAILED;
837 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
838 // received type from remote device
839 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->type)
841 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->code);
843 (CA_REQUEST_ENTITY_INCOMPLETE != code && CA_REQUEST_ENTITY_TOO_LARGE != code))
845 OIC_LOG(INFO, TAG, "Data has sent");
846 // initialize block number for response message
847 data->block1.num = 0;
848 CADestroyBlockID(blockDataID);
852 blockWiseStatus = CA_OPTION1_ACK;
853 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
854 if (CA_STATUS_OK != res)
856 OIC_LOG(ERROR, TAG, "update has failed");
857 CADestroyBlockID(blockDataID);
861 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
862 if (CA_STATUS_OK != res)
864 OIC_LOG(ERROR, TAG, "update has failed");
865 CARemoveBlockDataFromList(blockDataID);
866 CADestroyBlockID(blockDataID);
870 else // CON or NON message
872 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
874 // check the size option
875 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
877 &(data->payloadLength));
879 // check if received payload is exact
880 if (CA_MSG_CONFIRM == pdu->hdr->type)
882 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
883 COAP_OPTION_BLOCK1, dataLen);
886 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
888 // store the received payload and merge
889 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
890 isSizeOption, COAP_OPTION_BLOCK1);
891 if (CA_STATUS_OK != res)
893 OIC_LOG(ERROR, TAG, "update has failed");
894 CARemoveBlockDataFromList(blockDataID);
895 CADestroyBlockID(blockDataID);
899 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
900 if (CA_STATUS_OK != res)
902 OIC_LOG(ERROR, TAG, "update has failed");
903 CARemoveBlockDataFromList(blockDataID);
904 CADestroyBlockID(blockDataID);
909 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
910 if (CA_STATUS_OK != res)
912 OIC_LOG(ERROR, TAG, "update has failed");
913 CARemoveBlockDataFromList(blockDataID);
914 CADestroyBlockID(blockDataID);
919 // check the blcok-wise transfer status for next step
920 if (CA_BLOCK_UNKNOWN == blockWiseStatus || CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
922 if (0 == block.m) // Last block is received
924 OIC_LOG(DEBUG, TAG, "M bit is 0");
925 blockWiseStatus = CA_OPTION1_NO_ACK_LAST_BLOCK;
929 OIC_LOG(DEBUG, TAG, "M bit is 1");
930 blockWiseStatus = CA_OPTION1_NO_ACK_BLOCK;
935 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
936 if (CA_STATUS_OK != res)
938 OIC_LOG(ERROR, TAG, "setting has failed");
939 CARemoveBlockDataFromList(blockDataID);
942 CADestroyBlockID(blockDataID);
946 // TODO make pdu const after libcoap is updated to support that.
947 CAResult_t CASetNextBlockOption2(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
948 const CAData_t *receivedData, coap_block_t block,
951 OIC_LOG(DEBUG, TAG, "CASetNextBlockOption2");
952 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
954 VERIFY_NON_NULL(pdu, TAG, "pdu");
955 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
956 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
957 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
959 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
960 (CAToken_t)pdu->hdr->token,
961 pdu->hdr->token_length,
964 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
966 OIC_LOG(ERROR, TAG, "blockId is null");
967 CADestroyBlockID(blockDataID);
968 return CA_STATUS_FAILED;
971 // BlockData data is created if it not existed
972 if (!CAIsBlockDataInList(blockDataID))
974 OIC_LOG(DEBUG, TAG, "no msg in list.");
976 CAData_t *data = CACreateNewDataSet(pdu, endpoint);
979 OIC_LOG(ERROR, TAG, "data is null");
980 CADestroyBlockID(blockDataID);
981 return CA_STATUS_FAILED;
984 CABlockData_t *currData = CACreateNewBlockData(data);
987 OIC_LOG(ERROR, TAG, "data is null");
988 CADestroyDataSet(data);
989 CADestroyBlockID(blockDataID);
990 return CA_STATUS_FAILED;
994 // set Block Option Type
995 CAResult_t res = CAUpdateBlockOptionType(blockDataID,
997 if (CA_STATUS_OK != res)
999 OIC_LOG(ERROR, TAG, "update has failed");
1000 CARemoveBlockDataFromList(blockDataID);
1001 CADestroyBlockID(blockDataID);
1005 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
1008 OIC_LOG(ERROR, TAG, "getting has failed");
1009 CARemoveBlockDataFromList(blockDataID);
1010 CADestroyBlockID(blockDataID);
1011 return CA_STATUS_FAILED;
1014 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
1015 if (0 == block.num && CA_GET == pdu->hdr->code && 0 == block.m)
1017 OIC_LOG(INFO, TAG, "first block number");
1019 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1020 if (CA_STATUS_OK != res)
1022 OIC_LOG(ERROR, TAG, "update has failed");
1023 CARemoveBlockDataFromList(blockDataID);
1024 CADestroyBlockID(blockDataID);
1028 // first block data have to notify to Application
1029 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1030 if (CA_STATUS_OK != res)
1032 OIC_LOG(ERROR, TAG, "update has failed");
1033 CARemoveBlockDataFromList(blockDataID);
1034 CADestroyBlockID(blockDataID);
1037 blockWiseStatus = CA_OPTION2_FIRST_BLOCK;
1041 // received type from remote device
1042 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->type ||
1043 (CA_MSG_NONCONFIRM == pdu->hdr->type && NULL != receivedData->responseInfo))
1045 OIC_LOG(DEBUG, TAG, "received ACK or NON");
1047 // check the size option
1048 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
1050 &(data->payloadLength));
1052 // check if received payload is exact
1053 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->type)
1055 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
1056 COAP_OPTION_BLOCK2, dataLen);
1059 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
1061 // store the received payload and merge
1062 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
1063 isSizeOption, COAP_OPTION_BLOCK2);
1064 if (CA_STATUS_OK != res)
1066 OIC_LOG(ERROR, TAG, "update has failed");
1067 CARemoveBlockDataFromList(blockDataID);
1068 CADestroyBlockID(blockDataID);
1073 if (0 == block.m && CA_BLOCK_UNKNOWN == blockWiseStatus) // Last block is received
1075 OIC_LOG(DEBUG, TAG, "M bit is 0");
1076 blockWiseStatus = CA_OPTION2_LAST_BLOCK;
1080 if (CA_BLOCK_UNKNOWN == blockWiseStatus ||
1081 CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
1083 OIC_LOG(DEBUG, TAG, "M bit is 1");
1085 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->type)
1087 blockWiseStatus = CA_OPTION2_ACK;
1091 blockWiseStatus = CA_OPTION2_NON;
1095 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2,
1097 if (CA_STATUS_OK != res)
1099 OIC_LOG(ERROR, TAG, "update has failed");
1100 CARemoveBlockDataFromList(blockDataID);
1101 CADestroyBlockID(blockDataID);
1105 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1106 if (CA_STATUS_OK != res)
1108 OIC_LOG(ERROR, TAG, "update has failed");
1109 CARemoveBlockDataFromList(blockDataID);
1110 CADestroyBlockID(blockDataID);
1115 else // CON message and so on.
1117 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
1119 blockWiseStatus = CA_OPTION2_CON;
1121 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1122 if (CA_STATUS_OK != res)
1124 OIC_LOG(ERROR, TAG, "update has failed");
1125 CARemoveBlockDataFromList(blockDataID);
1126 CADestroyBlockID(blockDataID);
1130 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1131 if (CA_STATUS_OK != res)
1133 OIC_LOG(ERROR, TAG, "update has failed");
1134 CARemoveBlockDataFromList(blockDataID);
1135 CADestroyBlockID(blockDataID);
1141 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
1142 if (CA_STATUS_OK != res)
1144 OIC_LOG(ERROR, TAG, "setting has failed");
1145 CARemoveBlockDataFromList(blockDataID);
1146 CADestroyBlockID(blockDataID);
1150 CADestroyBlockID(blockDataID);
1151 return CA_STATUS_OK;
1154 CAResult_t CAUpdateBlockOptionItems(CABlockData_t *currData, const coap_pdu_t *pdu,
1155 coap_block_t *block, uint16_t blockType,
1158 VERIFY_NON_NULL(currData, TAG, "currData");
1159 VERIFY_NON_NULL(pdu, TAG, "pdu");
1160 VERIFY_NON_NULL(block, TAG, "block");
1162 // update block data
1163 CAResult_t res = CA_STATUS_OK;
1164 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->code);
1166 if (CA_REQUEST_ENTITY_INCOMPLETE == code || CA_REQUEST_ENTITY_TOO_LARGE == code)
1168 // response error code of the received block message
1169 res = CAHandleBlockErrorResponse(block, blockType, code);
1170 if (CA_STATUS_OK != res)
1172 OIC_LOG(ERROR, TAG, "error handle has failed");
1178 // update block option items
1181 case CA_OPTION1_ACK:
1182 if (currData->block1.num > block->num)
1184 OIC_LOG(ERROR, TAG, "received incorrect block num");
1185 return CA_STATUS_FAILED;
1189 case CA_OPTION2_NON:
1193 case CA_OPTION2_CON:
1196 case CA_OPTION2_ACK:
1197 if (currData->block2.num > block->num)
1199 OIC_LOG(ERROR, TAG, "received incorrect block num");
1200 return CA_STATUS_FAILED;
1205 case CA_BLOCK_TOO_LARGE:
1206 // if state of received block message is CA_BLOCK_TOO_LARGE or CA_BLOCK_INCOMPLETE
1207 // we set the response error code appropriately and send
1208 if (COAP_OPTION_BLOCK2 == blockType)
1212 block->szx = currData->block2.szx;
1216 block->szx = currData->block1.szx;
1220 OIC_LOG_V(ERROR, TAG, "no logic [%d]", status);
1223 if (CA_BLOCK_INCOMPLETE != status && CA_BLOCK_TOO_LARGE != status)
1225 // negotiate block size
1226 res = CANegotiateBlockSize(currData, block, pdu->hdr->type, blockType);
1227 if (CA_STATUS_OK != res)
1229 OIC_LOG(ERROR, TAG, "negotiation has failed");
1237 CAResult_t CAGetMoreBitFromBlock(size_t payloadLen, coap_block_t *block)
1239 VERIFY_NON_NULL(block, TAG, "block");
1241 if ((size_t)((block->num + 1) << (block->szx + BLOCK_NUMBER_IDX))
1244 OIC_LOG(DEBUG, TAG, "Set the M-bit(1)");
1249 OIC_LOG(DEBUG, TAG, "Set the M-bit(0)");
1253 return CA_STATUS_OK;
1256 CAResult_t CANegotiateBlockSize(CABlockData_t *currData, coap_block_t *block,
1257 CAMessageType_t msgType, uint16_t blockType)
1259 OIC_LOG(DEBUG, TAG, "IN-NegotiateBlockSize");
1261 VERIFY_NON_NULL(currData, TAG, "currData");
1262 VERIFY_NON_NULL(block, TAG, "block");
1264 // #1. check the block option type
1265 if (COAP_OPTION_BLOCK2 == blockType)
1267 // #2. check the message type
1268 if (CA_MSG_ACKNOWLEDGE == msgType)
1270 if (block->szx > currData->block2.szx)
1272 OIC_LOG(DEBUG, TAG, "sze is big");
1274 // #3. calculate new block number from block size
1275 unsigned int blockNum = BLOCK_SIZE(block->szx) /
1276 BLOCK_SIZE(currData->block2.szx) - 1;
1277 OIC_LOG(DEBUG, TAG, "num is set as Negotiation");
1278 block->num += blockNum;
1279 block->szx = currData->block2.szx;
1280 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1285 if (block->szx > currData->block2.szx)
1287 OIC_LOG(DEBUG, TAG, "sze is big");
1288 block->szx = currData->block2.szx;
1292 else if (COAP_OPTION_BLOCK1 == blockType)
1294 if (CA_MSG_ACKNOWLEDGE == msgType)
1296 if (block->szx < currData->block1.szx)
1298 OIC_LOG(DEBUG, TAG, "sze is small");
1300 unsigned int blockNum = BLOCK_SIZE(currData->block1.szx) /
1301 BLOCK_SIZE(block->szx) - 1;
1302 block->num += blockNum;
1303 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1308 if (block->szx > currData->block1.szx)
1310 OIC_LOG(DEBUG, TAG, "sze is big");
1311 block->szx = currData->block1.szx;
1317 OIC_LOG(DEBUG, TAG, "Invalid block option");
1318 return CA_STATUS_FAILED;
1321 OIC_LOG(DEBUG, TAG, "OUT-NegotiateBlockSize");
1323 return CA_STATUS_OK;
1326 CAResult_t CAUpdateBlockData(CABlockData_t *currData, coap_block_t block,
1329 VERIFY_NON_NULL(currData, TAG, "currData");
1331 // check if block size is bigger than CABlockSize_t
1332 if (block.szx > CA_BLOCK_SIZE_1024_BYTE)
1334 OIC_LOG(DEBUG, TAG, "invalid block szx");
1335 return CA_STATUS_FAILED;
1338 // update block option
1339 if (COAP_OPTION_BLOCK2 == blockType)
1341 currData->block2 = block;
1345 currData->block1 = block;
1348 OIC_LOG(DEBUG, TAG, "data has updated");
1349 return CA_STATUS_OK;
1352 CAResult_t CAUpdateMessageId(coap_pdu_t *pdu, const CABlockDataID_t *blockID)
1354 VERIFY_NON_NULL(pdu, TAG, "pdu");
1355 VERIFY_NON_NULL(blockID, TAG, "blockID");
1357 // if CON message is sent, update messageId in block-wise transfer list
1358 if (CA_MSG_CONFIRM == pdu->hdr->type)
1360 CAData_t * cadata = CAGetDataSetFromBlockDataList(blockID);
1363 OIC_LOG(ERROR, TAG, "CAData is unavailable");
1364 return CA_STATUS_FAILED;
1367 if (cadata->requestInfo)
1369 cadata->requestInfo->info.messageId = pdu->hdr->id;
1373 return CA_STATUS_OK;
1376 CAResult_t CAAddBlockOption(coap_pdu_t **pdu, const CAInfo_t info,
1377 const CAEndpoint_t *endpoint)
1379 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption");
1380 VERIFY_NON_NULL(pdu, TAG, "pdu");
1381 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1382 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1383 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
1385 size_t dataLength = 0;
1388 dataLength = info.payloadSize;
1389 OIC_LOG_V(DEBUG, TAG, "dataLength - %d", dataLength);
1392 OIC_LOG_V(DEBUG, TAG, "previous payload - %s", (*pdu)->data);
1394 uint32_t code = CA_RESPONSE_CODE((*pdu)->hdr->code);
1395 if (CA_REQUEST_ENTITY_INCOMPLETE == code)
1397 OIC_LOG(INFO, TAG, "don't use option");
1398 return CA_STATUS_OK;
1401 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
1402 (CAToken_t)(*pdu)->hdr->token,
1403 (*pdu)->hdr->token_length,
1406 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
1408 OIC_LOG(ERROR, TAG, "blockId is null");
1409 CADestroyBlockID(blockDataID);
1410 return CA_STATUS_FAILED;
1413 uint8_t blockType = CAGetBlockOptionType(blockDataID);
1414 if (COAP_OPTION_BLOCK2 == blockType)
1416 CAResult_t res = CAAddBlockOption2(pdu, info, dataLength,
1418 if (CA_STATUS_OK != res)
1420 OIC_LOG(ERROR, TAG, "add has failed");
1421 CADestroyBlockID(blockDataID);
1425 else if (COAP_OPTION_BLOCK1 == blockType)
1427 CAResult_t res = CAAddBlockOption1(pdu, info, dataLength,
1429 if (CA_STATUS_OK != res)
1431 OIC_LOG(ERROR, TAG, "add has failed");
1432 CADestroyBlockID(blockDataID);
1438 OIC_LOG(DEBUG, TAG, "no BLOCK option");
1439 // if response data is so large. it have to send as block transfer
1440 if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info.payload))
1442 OIC_LOG(INFO, TAG, "it have to use block");
1446 OIC_LOG(INFO, TAG, "not Blockwise Transfer");
1447 CADestroyBlockID(blockDataID);
1448 return CA_STATUS_OK;
1452 CAResult_t res = CAUpdateMessageId(*pdu, blockDataID);
1453 if (CA_STATUS_OK != res)
1455 OIC_LOG(ERROR, TAG, "fail to update CON message id ");
1456 CADestroyBlockID(blockDataID);
1460 CADestroyBlockID(blockDataID);
1461 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption");
1462 return CA_STATUS_OK;
1465 CAResult_t CAAddBlockOption2(coap_pdu_t **pdu, const CAInfo_t info, size_t dataLength,
1466 const CABlockDataID_t *blockID)
1468 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption2");
1469 VERIFY_NON_NULL(pdu, TAG, "pdu");
1470 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1471 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1472 VERIFY_NON_NULL(blockID, TAG, "blockID");
1474 // get set block data from CABlock list-set.
1475 coap_block_t *block1 = CAGetBlockOption(blockID,
1476 COAP_OPTION_BLOCK1);
1477 coap_block_t *block2 = CAGetBlockOption(blockID,
1478 COAP_OPTION_BLOCK2);
1479 if (!block1 || !block2)
1481 OIC_LOG(ERROR, TAG, "getting has failed");
1482 return CA_STATUS_FAILED;
1485 CALogBlockInfo(block2);
1488 if (CA_MSG_ACKNOWLEDGE == (*pdu)->hdr->type ||
1489 (CA_MSG_NONCONFIRM == (*pdu)->hdr->type && CA_GET != (*pdu)->hdr->code))
1491 int32_t res = coap_write_block_opt(block2, COAP_OPTION_BLOCK2, *pdu, dataLength);
1494 case -2: /* illegal block */
1495 code = COAP_RESPONSE_CODE(CA_BAD_REQ);
1496 OIC_LOG(ERROR, TAG, "write block option : -2");
1498 case -1: /* should really not happen */
1499 OIC_LOG(ERROR, TAG, "write block option : -1");
1501 case -3: /* cannot handle request */
1502 code = COAP_RESPONSE_CODE(CA_INTERNAL_SERVER_ERROR);
1503 OIC_LOG(ERROR, TAG, "write block option : -3");
1506 OIC_LOG(INFO, TAG, "success write block option");
1508 CALogBlockInfo(block2);
1512 OIC_LOG(DEBUG, TAG, "combining block1 and block2");
1513 CAResult_t res = CAAddBlockOptionImpl(*pdu, block1, COAP_OPTION_BLOCK1);
1514 if (CA_STATUS_OK != res)
1516 OIC_LOG(ERROR, TAG, "add has failed");
1517 CARemoveBlockDataFromList(blockID);
1520 // initialize block number
1524 // if block number is 0, add size2 option
1525 if (0 == block2->num)
1527 res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE2, dataLength);
1528 if (CA_STATUS_OK != res)
1530 OIC_LOG(ERROR, TAG, "add has failed");
1531 CARemoveBlockDataFromList(blockID);
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;
1545 // if sent message is last response block message, remove data
1546 CARemoveBlockDataFromList(blockID);
1550 if (CA_MSG_NONCONFIRM == (*pdu)->hdr->type)
1552 OIC_LOG(DEBUG, TAG, "NON, send next block..");
1553 // update block data
1555 CAResult_t res = CAProcessNextStep(*pdu, NULL,
1556 CA_SENT_PREVIOUS_NON_MSG,
1558 if (CA_STATUS_OK != res)
1560 OIC_LOG(ERROR, TAG, "failed to process next step");
1561 CARemoveBlockDataFromList(blockID);
1569 OIC_LOG(DEBUG, TAG, "option2, not ACK msg");
1570 CAResult_t res = CAAddBlockOptionImpl(*pdu, block2, COAP_OPTION_BLOCK2);
1571 if (CA_STATUS_OK != res)
1573 OIC_LOG(ERROR, TAG, "add has failed");
1574 CARemoveBlockDataFromList(blockID);
1579 return CA_STATUS_OK;
1582 OIC_LOG_V(ERROR, TAG, "error : %d", code);
1584 char* phrase = coap_response_phrase(code);
1587 coap_add_data(*pdu, strlen(phrase),
1588 (unsigned char *) phrase);
1590 return CA_STATUS_FAILED;
1593 CAResult_t CAAddBlockOption1(coap_pdu_t **pdu, const CAInfo_t info, size_t dataLength,
1594 const CABlockDataID_t *blockID)
1596 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption1");
1597 VERIFY_NON_NULL(pdu, TAG, "pdu");
1598 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1599 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1600 VERIFY_NON_NULL(blockID, TAG, "blockID");
1602 // get set block data from CABlock list-set.
1603 coap_block_t *block1 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK1);
1606 OIC_LOG(ERROR, TAG, "getting has failed");
1607 return CA_STATUS_FAILED;
1610 CALogBlockInfo(block1);
1612 if (CA_MSG_ACKNOWLEDGE == (*pdu)->hdr->type)
1614 OIC_LOG(DEBUG, TAG, "option1 and ACK msg..");
1615 CAResult_t res = CAAddBlockOptionImpl(*pdu, block1, COAP_OPTION_BLOCK1);
1616 if (CA_STATUS_OK != res)
1618 OIC_LOG(ERROR, TAG, "add has failed");
1619 CARemoveBlockDataFromList(blockID);
1623 // reset block-list after write block
1626 // remove data from list
1627 CAResult_t res = CARemoveBlockDataFromList(blockID);
1628 if (CA_STATUS_OK != res)
1630 OIC_LOG(ERROR, TAG, "remove has failed");
1637 CAGetMoreBitFromBlock(dataLength, block1);
1638 CAResult_t res = CAAddBlockOptionImpl(*pdu, block1, COAP_OPTION_BLOCK1);
1639 if (CA_STATUS_OK != res)
1641 OIC_LOG(ERROR, TAG, "add has failed");
1642 CARemoveBlockDataFromList(blockID);
1645 CALogBlockInfo(block1);
1647 // if block number is 0, add size1 option
1648 if (0 == block1->num)
1650 res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE1, dataLength);
1651 if (CA_STATUS_OK != res)
1653 OIC_LOG(ERROR, TAG, "add has failed");
1654 CARemoveBlockDataFromList(blockID);
1659 if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info.payload,
1660 block1->num, block1->szx))
1662 OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
1663 return CA_STATUS_FAILED;
1666 // check the message type and if message type is NON, next block message will be sent
1667 if (CA_MSG_NONCONFIRM == (*pdu)->hdr->type)
1671 OIC_LOG(DEBUG, TAG, "NON, send next block..");
1672 // update block data
1674 CAResult_t res = CAProcessNextStep(*pdu, NULL,
1675 CA_SENT_PREVIOUS_NON_MSG,
1677 if (CA_STATUS_OK != res)
1679 OIC_LOG(ERROR, TAG, "failed to process next step");
1680 CARemoveBlockDataFromList(blockID);
1686 CARemoveBlockDataFromList(blockID);
1691 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption1");
1693 return CA_STATUS_OK;
1696 CAResult_t CAAddBlockOptionImpl(coap_pdu_t *pdu, coap_block_t *block, uint8_t blockType)
1698 OIC_LOG(DEBUG, TAG, "IN-AddBlockOptionImpl");
1699 VERIFY_NON_NULL(pdu, TAG, "pdu");
1700 VERIFY_NON_NULL(block, TAG, "block");
1702 coap_option *option = (coap_option *) OICMalloc(sizeof(coap_option));
1705 OIC_LOG(ERROR, TAG, "out of memory");
1706 return CA_MEMORY_ALLOC_FAILED;
1709 unsigned char buf[BLOCKWISE_OPTION_BUFFER] = { 0 };
1710 option->key = blockType;
1711 option->length = coap_encode_var_bytes(buf,
1712 ((block->num << BLOCK_NUMBER_IDX)
1713 | (block->m << BLOCK_M_BIT_IDX) | block->szx));
1714 if (!coap_add_option(pdu, option->key, option->length, buf))
1716 OIC_LOG(ERROR, TAG, "coap_add_option has failed");
1718 return CA_STATUS_FAILED;
1723 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOptionImpl");
1724 return CA_STATUS_OK;
1727 CAResult_t CAAddBlockSizeOption(coap_pdu_t *pdu, uint16_t sizeType, size_t dataLength)
1729 OIC_LOG(DEBUG, TAG, "IN-CAAddBlockSizeOption");
1730 VERIFY_NON_NULL(pdu, TAG, "pdu");
1732 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1734 OIC_LOG(ERROR, TAG, "unknown option type");
1735 return CA_STATUS_FAILED;
1738 unsigned char value[BLOCKWISE_OPTION_BUFFER] = { 0 };
1739 unsigned int optionLength = coap_encode_var_bytes(value, dataLength);
1741 if (!coap_add_option(pdu, sizeType, optionLength, value))
1743 OIC_LOG(ERROR, TAG, "failed to add size option");
1744 return CA_STATUS_FAILED;
1747 OIC_LOG(DEBUG, TAG, "OUT-CAAddBlockSizeOption");
1749 return CA_STATUS_OK;
1752 // TODO make pdu const after libcoap is updated to support that.
1753 bool CAIsPayloadLengthInPduWithBlockSizeOption(coap_pdu_t *pdu,
1755 size_t *totalPayloadLen)
1757 OIC_LOG(DEBUG, TAG, "IN-CAIsPayloadLengthInPduWithBlockSizeOption");
1758 VERIFY_NON_NULL(pdu, TAG, "pdu");
1759 VERIFY_NON_NULL(totalPayloadLen, TAG, "totalPayloadLen");
1761 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1763 OIC_LOG(ERROR, TAG, "unknown option type");
1764 return CA_STATUS_FAILED;
1767 coap_opt_iterator_t opt_iter;
1768 coap_opt_t *option = coap_check_option(pdu, sizeType, &opt_iter);
1771 OIC_LOG(DEBUG, TAG, "get size option from pdu");
1772 *totalPayloadLen = coap_decode_var_bytes(COAP_OPT_VALUE(option),
1773 COAP_OPT_LENGTH(option));
1775 OIC_LOG_V(DEBUG, TAG, "the total payload length to be received is [%d]bytes",
1781 OIC_LOG(DEBUG, TAG, "OUT-CAIsPayloadLengthInPduWithBlockSizeOption");
1786 uint8_t CACheckBlockErrorType(CABlockData_t *currData, coap_block_t *receivedBlock,
1787 const CAData_t *receivedData, uint16_t blockType,
1790 OIC_LOG(DEBUG, TAG, "IN-CheckBlockError");
1792 VERIFY_NON_NULL(currData, TAG, "currData is NULL");
1793 VERIFY_NON_NULL(receivedBlock, TAG, "receivedBlock is NULL");
1794 VERIFY_NON_NULL(receivedData, TAG, "receivedData is NULL");
1796 // #1. check the received payload length
1797 size_t blockPayloadLen = 0;
1798 CAGetPayloadInfo(receivedData, &blockPayloadLen);
1800 // #2. check if the block sequence is right
1801 if (COAP_OPTION_BLOCK1 == blockType)
1803 size_t prePayloadLen = currData->receivedPayloadLen;
1804 if (prePayloadLen != (size_t)BLOCK_SIZE(receivedBlock->szx)
1805 * receivedBlock->num)
1807 if (receivedBlock->num > currData->block1.num + 1)
1809 // 408 Error handling of block loss
1810 OIC_LOG(ERROR, TAG, "option1: error 4.08");
1811 OIC_LOG(ERROR, TAG, "it didn't order");
1812 return CA_BLOCK_INCOMPLETE;
1814 return CA_BLOCK_RECEIVED_ALREADY;
1817 else if (COAP_OPTION_BLOCK2 == blockType)
1819 if (receivedBlock->num != currData->block2.num)
1821 if (receivedBlock->num > currData->block2.num)
1823 // 408 Error handling of block loss
1824 OIC_LOG(ERROR, TAG, "option2: error 4.08");
1825 OIC_LOG(ERROR, TAG, "it didn't order");
1826 return CA_BLOCK_INCOMPLETE;
1828 return CA_BLOCK_RECEIVED_ALREADY;
1832 // #3. check if error check logic is required
1833 size_t optionLen = dataLen - blockPayloadLen;
1834 if (receivedBlock->m && blockPayloadLen !=
1835 (size_t)BLOCK_SIZE(receivedBlock->szx))
1837 // 413 Error handling of too large entity
1838 if (COAP_MAX_PDU_SIZE < BLOCK_SIZE(receivedBlock->szx) + optionLen)
1840 // buffer size is smaller than received block size
1841 OIC_LOG(ERROR, TAG, "error type 4.13");
1842 OIC_LOG(ERROR, TAG, "too large size");
1844 // set the block size to be smaller than COAP_MAX_PDU_SIZE
1845 for (int32_t size = CA_DEFAULT_BLOCK_SIZE; size >= 0; size--)
1847 if (COAP_MAX_PDU_SIZE >= BLOCK_SIZE(size) + optionLen)
1849 OIC_LOG_V(ERROR, TAG, "replace sze with %d", size);
1850 if (COAP_OPTION_BLOCK2 == blockType)
1852 currData->block2.szx = size;
1856 currData->block1.szx = size;
1861 return CA_BLOCK_TOO_LARGE;
1865 // 408 Error handling of payload loss
1866 OIC_LOG(ERROR, TAG, "error type 4.08");
1867 OIC_LOG(ERROR, TAG, "payload len != block sze");
1868 return CA_BLOCK_INCOMPLETE;
1871 else if (0 == receivedBlock->m && 0 != currData->payloadLength)
1873 // if the received block is last block, check the total payload length
1874 size_t receivedPayloadLen = currData->receivedPayloadLen;
1875 receivedPayloadLen += blockPayloadLen;
1877 if (receivedPayloadLen != currData->payloadLength)
1879 OIC_LOG(ERROR, TAG, "error type 4.08");
1880 OIC_LOG(ERROR, TAG, "total payload length is wrong");
1881 return CA_BLOCK_INCOMPLETE;
1885 OIC_LOG(DEBUG, TAG, "received all data normally");
1887 OIC_LOG(DEBUG, TAG, "OUT-CheckBlockError");
1889 return CA_BLOCK_UNKNOWN;
1892 CAResult_t CAUpdatePayloadData(CABlockData_t *currData, const CAData_t *receivedData,
1893 uint8_t status, bool isSizeOption, uint16_t blockType)
1895 OIC_LOG(DEBUG, TAG, "IN-UpdatePayloadData");
1897 VERIFY_NON_NULL(currData, TAG, "currData");
1898 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
1900 // if error code is 4.08, do not update payload
1901 if (CA_BLOCK_INCOMPLETE == status)
1903 OIC_LOG(ERROR, TAG, "no require to update");
1904 return CA_STATUS_OK;
1907 size_t blockPayloadLen = 0;
1908 CAPayload_t blockPayload = CAGetPayloadInfo(receivedData, &blockPayloadLen);
1910 if (CA_BLOCK_TOO_LARGE == status)
1912 blockPayloadLen = (COAP_OPTION_BLOCK2 == blockType) ?
1913 BLOCK_SIZE(currData->block2.szx) : BLOCK_SIZE(currData->block1.szx);
1916 // memory allocation for the received block payload
1917 size_t prePayloadLen = currData->receivedPayloadLen;
1920 if (currData->payloadLength)
1922 // in case the block message has the size option
1923 // allocate the memory for the total payload
1926 CAPayload_t prePayload = currData->payload;
1928 OIC_LOG(DEBUG, TAG, "allocate memory for the total payload");
1929 currData->payload = (CAPayload_t) OICCalloc(1, currData->payloadLength);
1930 if (NULL == currData->payload)
1932 OIC_LOG(ERROR, TAG, "out of memory");
1933 return CA_MEMORY_ALLOC_FAILED;
1935 memcpy(currData->payload, prePayload, prePayloadLen);
1936 OICFree(prePayload);
1939 // update the total payload
1940 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
1944 OIC_LOG(DEBUG, TAG, "allocate memory for the received block payload");
1946 size_t totalPayloadLen = prePayloadLen + blockPayloadLen;
1947 CAPayload_t newPayload = OICRealloc(currData->payload, totalPayloadLen);
1948 if (NULL == newPayload)
1950 OIC_LOG(ERROR, TAG, "out of memory");
1951 return CA_MEMORY_ALLOC_FAILED;
1954 // update the total payload
1955 memset(newPayload + prePayloadLen, 0, blockPayloadLen);
1956 currData->payload = newPayload;
1957 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
1960 // update received payload length
1961 currData->receivedPayloadLen += blockPayloadLen;
1963 OIC_LOG_V(DEBUG, TAG, "updated payload: %s, len: %d", currData->payload,
1964 currData->receivedPayloadLen);
1967 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayloadData");
1968 return CA_STATUS_OK;
1971 CAData_t* CACreateNewDataSet(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint)
1973 VERIFY_NON_NULL_RET(pdu, TAG, "pdu", NULL);
1974 VERIFY_NON_NULL_RET(pdu->hdr, TAG, "pdu->hdr", NULL);
1975 VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
1977 CAInfo_t responseData = { .tokenLength = pdu->hdr->token_length };
1978 responseData.token = (CAToken_t) OICMalloc(responseData.tokenLength);
1979 if (!responseData.token)
1981 OIC_LOG(ERROR, TAG, "out of memory");
1984 memcpy(responseData.token, pdu->hdr->token, responseData.tokenLength);
1986 CAResponseInfo_t* responseInfo = (CAResponseInfo_t*) OICCalloc(1, sizeof(CAResponseInfo_t));
1989 OIC_LOG(ERROR, TAG, "out of memory");
1990 OICFree(responseData.token);
1993 responseInfo->info = responseData;
1995 CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
1998 OIC_LOG(ERROR, TAG, "out of memory");
1999 OICFree(responseInfo);
2003 data->requestInfo = NULL;
2004 data->responseInfo = responseInfo;
2005 data->remoteEndpoint = CACloneEndpoint(endpoint);
2006 data->type = SEND_TYPE_UNICAST;
2011 CAData_t *CACloneCAData(const CAData_t *data)
2013 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2015 CAData_t *clone = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
2018 OIC_LOG(ERROR, TAG, "out of memory");
2023 if (data->requestInfo)
2025 clone->requestInfo = CACloneRequestInfo(data->requestInfo);
2028 if (data->responseInfo)
2030 clone->responseInfo = CACloneResponseInfo(data->responseInfo);
2033 if (data->remoteEndpoint)
2035 clone->remoteEndpoint = CACloneEndpoint(data->remoteEndpoint);
2041 CAResult_t CAUpdatePayloadToCAData(CAData_t *data, const CAPayload_t payload,
2044 OIC_LOG(DEBUG, TAG, "IN-UpdatePayload");
2046 VERIFY_NON_NULL(data, TAG, "data is NULL");
2047 VERIFY_NON_NULL(payload, TAG, "payload is NULL");
2049 if (data->requestInfo)
2051 // allocate payload field
2052 if (data->requestInfo->info.payload)
2054 char *temp = (char *) OICCalloc(payloadLen, sizeof(char));
2057 OIC_LOG(ERROR, TAG, "out of memory");
2058 return CA_STATUS_FAILED;
2060 memcpy(temp, payload, payloadLen);
2062 // save the full payload
2063 OICFree(data->requestInfo->info.payload);
2064 data->requestInfo->info.payload = (CAPayload_t) temp;
2066 data->requestInfo->info.payloadSize = payloadLen;
2069 if (data->responseInfo)
2071 // allocate payload field
2072 if (data->responseInfo->info.payload)
2074 char *temp = (char *) OICCalloc(payloadLen, sizeof(char));
2077 OIC_LOG(ERROR, TAG, "out of memory");
2078 return CA_STATUS_FAILED;
2080 memcpy(temp, payload, payloadLen);
2082 // save the full payload
2083 OICFree(data->responseInfo->info.payload);
2084 data->responseInfo->info.payload = (CAPayload_t) temp;
2086 data->responseInfo->info.payloadSize = payloadLen;
2089 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayload");
2091 return CA_STATUS_OK;
2094 CAPayload_t CAGetPayloadInfo(const CAData_t *data, size_t *payloadLen)
2096 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2097 VERIFY_NON_NULL_RET(payloadLen, TAG, "payloadLen", NULL);
2099 if (data->requestInfo)
2101 if (data->requestInfo->info.payload)
2103 *payloadLen = data->requestInfo->info.payloadSize;
2104 return data->requestInfo->info.payload;
2109 if (data->responseInfo->info.payload)
2111 *payloadLen = data->responseInfo->info.payloadSize;
2112 return data->responseInfo->info.payload;
2119 CAResult_t CAHandleBlockErrorResponse(coap_block_t *block, uint16_t blockType,
2120 uint32_t responseResult)
2122 OIC_LOG(DEBUG, TAG, "IN-HandleBlockErrorRes");
2123 VERIFY_NON_NULL(block, TAG, "block is NULL");
2125 // update block data
2126 switch (responseResult)
2128 case CA_REQUEST_ENTITY_INCOMPLETE:
2131 case CA_REQUEST_ENTITY_TOO_LARGE:
2132 if (COAP_OPTION_BLOCK1 == blockType)
2139 OIC_LOG_V(ERROR, TAG, "there is no Error Code of BWT[%d]", responseResult);
2142 OIC_LOG(DEBUG, TAG, "OUT-HandleBlockErrorRes");
2143 return CA_STATUS_OK;
2146 CAResult_t CAUpdateBlockOptionType(const CABlockDataID_t *blockID,
2149 OIC_LOG(DEBUG, TAG, "IN-UpdateBlockOptionType");
2150 VERIFY_NON_NULL(blockID, TAG, "blockID");
2152 ca_mutex_lock(g_context.blockDataListMutex);
2154 size_t len = u_arraylist_length(g_context.dataList);
2155 for (size_t i = 0; i < len; i++)
2157 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2158 if (CABlockidMatches(currData, blockID))
2160 currData->type = blockType;
2161 ca_mutex_unlock(g_context.blockDataListMutex);
2162 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2163 return CA_STATUS_OK;
2166 ca_mutex_unlock(g_context.blockDataListMutex);
2168 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2169 return CA_STATUS_FAILED;
2172 uint8_t CAGetBlockOptionType(const CABlockDataID_t *blockID)
2174 OIC_LOG(DEBUG, TAG, "IN-GetBlockOptionType");
2175 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", 0);
2177 ca_mutex_lock(g_context.blockDataListMutex);
2179 size_t len = u_arraylist_length(g_context.dataList);
2180 for (size_t i = 0; i < len; i++)
2182 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2183 if (CABlockidMatches(currData, blockID))
2185 ca_mutex_unlock(g_context.blockDataListMutex);
2186 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2187 return currData->type;
2190 ca_mutex_unlock(g_context.blockDataListMutex);
2192 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2196 CAData_t *CAGetDataSetFromBlockDataList(const CABlockDataID_t *blockID)
2198 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2200 ca_mutex_lock(g_context.blockDataListMutex);
2202 size_t len = u_arraylist_length(g_context.dataList);
2203 for (size_t i = 0; i < len; i++)
2205 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2206 if (CABlockidMatches(currData, blockID))
2208 ca_mutex_unlock(g_context.blockDataListMutex);
2209 return currData->sentData;
2212 ca_mutex_unlock(g_context.blockDataListMutex);
2217 CAResult_t CAGetTokenFromBlockDataList(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
2218 CAResponseInfo_t *responseInfo)
2220 OIC_LOG(DEBUG, TAG, "IN-CAGetTokenFromBlockDataList");
2221 VERIFY_NON_NULL(pdu, TAG, "pdu");
2222 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
2223 VERIFY_NON_NULL(responseInfo, TAG, "responseInfo");
2225 ca_mutex_lock(g_context.blockDataListMutex);
2227 size_t len = u_arraylist_length(g_context.dataList);
2228 for (size_t i = 0; i < len; i++)
2230 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2231 if (NULL == currData)
2236 if (NULL != currData->sentData && NULL != currData->sentData->requestInfo)
2238 if (pdu->hdr->id == currData->sentData->requestInfo->info.messageId &&
2239 endpoint->adapter == currData->sentData->remoteEndpoint->adapter)
2241 if (NULL != currData->sentData->requestInfo->info.token)
2243 uint8_t length = currData->sentData->requestInfo->info.tokenLength;
2244 responseInfo->info.tokenLength = length;
2245 responseInfo->info.token = (char *) OICMalloc(length);
2246 if (NULL == responseInfo->info.token)
2248 OIC_LOG(ERROR, TAG, "out of memory");
2249 ca_mutex_unlock(g_context.blockDataListMutex);
2250 return CA_MEMORY_ALLOC_FAILED;
2252 memcpy(responseInfo->info.token, currData->sentData->requestInfo->info.token,
2253 responseInfo->info.tokenLength);
2255 ca_mutex_unlock(g_context.blockDataListMutex);
2256 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2257 return CA_STATUS_OK;
2263 ca_mutex_unlock(g_context.blockDataListMutex);
2265 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2266 return CA_STATUS_OK;
2269 CAResult_t CACheckBlockDataValidation(const CAData_t *sendData, CABlockData_t **blockData)
2271 VERIFY_NON_NULL(sendData, TAG, "sendData");
2272 VERIFY_NON_NULL(blockData, TAG, "blockData");
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);
2286 if (sendData->requestInfo) // sendData is requestMessage
2288 OIC_LOG(DEBUG, TAG, "Send request");
2289 if (NULL != currData->blockDataId
2290 && NULL != currData->blockDataId->id
2291 && currData->blockDataId->idLength > 0
2292 && NULL != sendData->requestInfo->info.token)
2294 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2295 (CAToken_t)sendData->requestInfo->info.token,
2296 sendData->requestInfo->info.tokenLength,
2297 sendData->remoteEndpoint->port);
2299 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2301 OIC_LOG(ERROR, TAG, "blockId is null");
2302 CADestroyBlockID(blockDataID);
2303 return CA_STATUS_FAILED;
2306 if (CABlockidMatches(currData, blockDataID))
2308 OIC_LOG(ERROR, TAG, "already sent");
2309 CADestroyBlockID(blockDataID);
2312 CADestroyBlockID(blockDataID);
2315 else if (sendData->responseInfo) // sendData is responseMessage
2317 OIC_LOG(DEBUG, TAG, "Send response");
2318 if (NULL != currData->blockDataId
2319 && NULL != currData->blockDataId->id
2320 && currData->blockDataId->idLength > 0
2321 && NULL != sendData->responseInfo->info.token)
2323 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2324 (CAToken_t)sendData->responseInfo->info.token,
2325 sendData->responseInfo->info.tokenLength,
2326 sendData->remoteEndpoint->port);
2328 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2330 OIC_LOG(ERROR, TAG, "blockId is null");
2331 CADestroyBlockID(blockDataID);
2332 return CA_STATUS_FAILED;
2335 if (CABlockidMatches(currData, blockDataID))
2338 if (NULL != currData->sentData)
2340 OIC_LOG(DEBUG, TAG, "init block number");
2341 CADestroyDataSet(currData->sentData);
2343 currData->sentData = CACloneCAData(sendData);
2344 *blockData = currData;
2345 CADestroyBlockID(blockDataID);
2346 ca_mutex_unlock(g_context.blockDataListMutex);
2347 return CA_STATUS_OK;
2349 CADestroyBlockID(blockDataID);
2354 OIC_LOG(ERROR, TAG, "no CAInfo data");
2358 ca_mutex_unlock(g_context.blockDataListMutex);
2360 return CA_STATUS_FAILED;
2363 CABlockData_t *CAGetBlockDataFromBlockDataList(const CABlockDataID_t *blockID)
2365 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2367 ca_mutex_lock(g_context.blockDataListMutex);
2369 size_t len = u_arraylist_length(g_context.dataList);
2370 for (size_t i = 0; i < len; i++)
2372 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2373 if (CABlockidMatches(currData, blockID))
2375 ca_mutex_unlock(g_context.blockDataListMutex);
2379 ca_mutex_unlock(g_context.blockDataListMutex);
2384 coap_block_t *CAGetBlockOption(const CABlockDataID_t *blockID,
2387 OIC_LOG(DEBUG, TAG, "IN-GetBlockOption");
2388 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2390 ca_mutex_lock(g_context.blockDataListMutex);
2392 size_t len = u_arraylist_length(g_context.dataList);
2393 for (size_t i = 0; i < len; i++)
2395 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2396 if (CABlockidMatches(currData, blockID))
2398 ca_mutex_unlock(g_context.blockDataListMutex);
2399 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2400 if (COAP_OPTION_BLOCK2 == blockType)
2402 return &currData->block2;
2406 return &currData->block1;
2410 ca_mutex_unlock(g_context.blockDataListMutex);
2412 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2416 CAPayload_t CAGetPayloadFromBlockDataList(const CABlockDataID_t *blockID,
2417 size_t *fullPayloadLen)
2419 OIC_LOG(DEBUG, TAG, "IN-GetFullPayload");
2420 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2421 VERIFY_NON_NULL_RET(fullPayloadLen, TAG, "fullPayloadLen", NULL);
2423 ca_mutex_lock(g_context.blockDataListMutex);
2425 size_t len = u_arraylist_length(g_context.dataList);
2426 for (size_t i = 0; i < len; i++)
2428 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2429 if (CABlockidMatches(currData, blockID))
2431 ca_mutex_unlock(g_context.blockDataListMutex);
2432 *fullPayloadLen = currData->receivedPayloadLen;
2433 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2434 return currData->payload;
2437 ca_mutex_unlock(g_context.blockDataListMutex);
2439 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2443 CABlockData_t *CACreateNewBlockData(const CAData_t *sendData)
2445 OIC_LOG(DEBUG, TAG, "IN-CACreateNewBlockData");
2446 VERIFY_NON_NULL_RET(sendData, TAG, "sendData", NULL);
2448 // create block data
2449 CABlockData_t *data = (CABlockData_t *) OICCalloc(1, sizeof(CABlockData_t));
2452 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2456 data->block1.szx = CA_DEFAULT_BLOCK_SIZE;
2457 data->block2.szx = CA_DEFAULT_BLOCK_SIZE;
2458 data->sentData = CACloneCAData(sendData);
2461 OIC_LOG(ERROR, TAG, PCF("memory alloc has failed"));
2466 CAToken_t token = NULL;
2467 uint8_t tokenLength = 0;
2468 if (data->sentData->requestInfo)
2470 // update token info
2471 tokenLength = data->sentData->requestInfo->info.tokenLength;
2472 token = data->sentData->requestInfo->info.token;
2474 else if(data->sentData->responseInfo)
2476 tokenLength = data->sentData->responseInfo->info.tokenLength;
2477 token = data->sentData->responseInfo->info.token;
2480 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2482 data->sentData->remoteEndpoint->port);
2483 if (NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2485 OIC_LOG(ERROR, TAG, "blockId is null");
2486 CADestroyBlockID(blockDataID);
2489 data->blockDataId = blockDataID;
2491 ca_mutex_lock(g_context.blockDataListMutex);
2493 bool res = u_arraylist_add(g_context.dataList, (void *) data);
2496 OIC_LOG(ERROR, TAG, "add has failed");
2497 CADestroyBlockID(data->blockDataId);
2499 ca_mutex_unlock(g_context.blockDataListMutex);
2502 ca_mutex_unlock(g_context.blockDataListMutex);
2504 OIC_LOG(DEBUG, TAG, "OUT-CreateBlockData");
2508 CAResult_t CARemoveBlockDataFromList(const CABlockDataID_t *blockID)
2510 OIC_LOG(DEBUG, TAG, "CARemoveBlockData");
2511 VERIFY_NON_NULL(blockID, TAG, "blockID");
2513 ca_mutex_lock(g_context.blockDataListMutex);
2515 size_t len = u_arraylist_length(g_context.dataList);
2516 for (size_t i = 0; i < len; i++)
2518 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2519 if (CABlockidMatches(currData, blockID))
2521 CABlockData_t *removedData = u_arraylist_remove(g_context.dataList, i);
2524 OIC_LOG(ERROR, TAG, "data is NULL");
2525 ca_mutex_unlock(g_context.blockDataListMutex);
2526 return CA_STATUS_FAILED;
2530 if (currData->sentData)
2532 CADestroyDataSet(currData->sentData);
2534 OICFree(currData->payload);
2535 CADestroyBlockID(currData->blockDataId);
2536 ca_mutex_unlock(g_context.blockDataListMutex);
2537 return CA_STATUS_OK;
2540 ca_mutex_unlock(g_context.blockDataListMutex);
2542 return CA_STATUS_OK;
2545 bool CAIsBlockDataInList(const CABlockDataID_t *blockID)
2547 OIC_LOG(DEBUG, TAG, "IN-IsBlockDataInList");
2548 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", false);
2550 ca_mutex_lock(g_context.blockDataListMutex);
2552 size_t len = u_arraylist_length(g_context.dataList);
2553 for (size_t i = 0; i < len; i++)
2555 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2556 if (CABlockidMatches(currData, blockID))
2558 OIC_LOG(DEBUG, TAG, "found block data");
2559 ca_mutex_unlock(g_context.blockDataListMutex);
2563 ca_mutex_unlock(g_context.blockDataListMutex);
2565 OIC_LOG(DEBUG, TAG, "OUT-IsBlockDataInList");
2569 void CADestroyDataSet(CAData_t* data)
2571 VERIFY_NON_NULL_VOID(data, TAG, "data");
2573 CAFreeEndpoint(data->remoteEndpoint);
2574 CADestroyRequestInfoInternal(data->requestInfo);
2575 CADestroyResponseInfoInternal(data->responseInfo);
2579 CABlockDataID_t* CACreateBlockDatablockId(const CAToken_t token, uint8_t tokenLength,
2580 uint16_t portNumber)
2582 VERIFY_NON_NULL_RET(token, TAG, "token", NULL);
2584 char port[PORT_LENGTH] = {0,};
2585 port[0] = (char)((portNumber>>8) & 0xFF);
2586 port[1] = (char)(portNumber & 0xFF);
2588 CABlockDataID_t* blockDataID = (CABlockDataID_t *) OICMalloc(sizeof(CABlockDataID_t));
2591 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2594 blockDataID->idLength = tokenLength + sizeof(port);
2595 blockDataID->id = (uint8_t *) OICMalloc(blockDataID->idLength);
2596 if (!blockDataID->id)
2598 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2599 OICFree(blockDataID);
2603 memcpy(blockDataID->id, token, tokenLength);
2604 memcpy(blockDataID->id + tokenLength, port, sizeof(port));
2606 OIC_LOG(DEBUG, TAG, "BlockID is ");
2607 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *)blockDataID->id, blockDataID->idLength);
2612 void CADestroyBlockID(CABlockDataID_t *blockID)
2614 VERIFY_NON_NULL_VOID(blockID, TAG, "blockID");
2615 OICFree(blockID->id);
2620 bool CABlockidMatches(const CABlockData_t *currData, const CABlockDataID_t *blockID)
2622 VERIFY_NON_NULL_RET(currData, TAG, "currData", false);
2623 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", false);
2624 VERIFY_NON_NULL_RET(blockID->id, TAG, "blockID->id", false);
2626 if ((currData->blockDataId)
2627 && (currData->blockDataId->id)
2628 && (currData->blockDataId->idLength == blockID->idLength)
2629 && !memcmp(currData->blockDataId->id, blockID->id, currData->blockDataId->idLength))
2636 void CALogBlockInfo(coap_block_t *block)
2638 VERIFY_NON_NULL_VOID(block, TAG, "block");
2640 OIC_LOG(DEBUG, TAG, "block option info");
2642 OIC_LOG_V(DEBUG, TAG, "block option-num : %d", block->num);
2644 OIC_LOG_V(DEBUG, TAG, "block option-m : %d", block->m);
2646 OIC_LOG_V(DEBUG, TAG, "block option-szx : %d", block->szx);