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=%zu, maxBlockSize=%zu", 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 if (!g_context.blockDataListMutex)
123 g_context.blockDataListMutex = ca_mutex_new();
124 if (!g_context.blockDataListMutex)
126 OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
127 return CA_STATUS_FAILED;
131 if (!g_context.blockDataSenderMutex)
133 g_context.blockDataSenderMutex = ca_mutex_new();
134 if (!g_context.blockDataSenderMutex)
136 OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
137 CATerminateBlockWiseMutexVariables();
138 return CA_STATUS_FAILED;
145 void CATerminateBlockWiseMutexVariables()
147 if (g_context.blockDataListMutex)
149 ca_mutex_free(g_context.blockDataListMutex);
150 g_context.blockDataListMutex = NULL;
153 if (g_context.blockDataSenderMutex)
155 ca_mutex_free(g_context.blockDataSenderMutex);
156 g_context.blockDataSenderMutex = NULL;
160 CAResult_t CASendBlockWiseData(const CAData_t *sendData)
162 VERIFY_NON_NULL(sendData, TAG, "sendData");
164 // check if message type is CA_MSG_RESET
165 if (sendData->requestInfo)
167 if (CA_MSG_RESET == sendData->requestInfo->info.type)
169 OIC_LOG(DEBUG, TAG, "reset message can't be sent to the block");
170 return CA_NOT_SUPPORTED;
173 else if (sendData->responseInfo)
175 if (CA_MSG_RESET == sendData->responseInfo->info.type)
177 OIC_LOG(DEBUG, TAG, "reset message can't be sent to the block");
178 return CA_NOT_SUPPORTED;
182 // #1. check if it is already included in block data list
183 CABlockData_t *currData = NULL;
184 CAResult_t res = CACheckBlockDataValidation(sendData, &currData);
185 if (CA_STATUS_OK != res)
187 // #2. if it is not included, add the data into list
190 OIC_LOG(DEBUG, TAG, "There is no block data");
192 bool isBlock = CACheckPayloadLength(sendData);
195 if (sendData->requestInfo)
197 currData = CACreateNewBlockData(sendData);
200 OIC_LOG(ERROR, TAG, "failed to create block data");
201 return CA_MEMORY_ALLOC_FAILED;
204 return CA_NOT_SUPPORTED;
206 currData = CACreateNewBlockData(sendData);
209 OIC_LOG(ERROR, TAG, "failed to create block data");
210 return CA_MEMORY_ALLOC_FAILED;
215 // #3. check request/response block option type and payload length
216 res = CACheckBlockOptionType(currData);
217 if (CA_STATUS_OK == res)
219 // #4. send block message
220 OIC_LOG(DEBUG, TAG, "send first block msg");
221 res = CAAddSendThreadQueue(currData->sentData,
222 (const CABlockDataID_t *)&currData->blockDataId);
223 if (CA_STATUS_OK != res)
225 OIC_LOG(ERROR, TAG, "add has failed");
233 CAResult_t CAAddSendThreadQueue(const CAData_t *sendData, const CABlockDataID_t *blockID)
235 VERIFY_NON_NULL(sendData, TAG, "sendData");
236 VERIFY_NON_NULL(blockID, TAG, "blockID");
238 CAData_t *cloneData = CACloneCAData(sendData);
241 OIC_LOG(ERROR, TAG, "clone has failed");
242 CARemoveBlockDataFromList(blockID);
243 return CA_STATUS_FAILED;
246 if (g_context.sendThreadFunc)
248 ca_mutex_lock(g_context.blockDataSenderMutex);
249 g_context.sendThreadFunc(cloneData);
250 ca_mutex_unlock(g_context.blockDataSenderMutex);
254 CADestroyDataSet(cloneData);
259 CAResult_t CACheckBlockOptionType(CABlockData_t *currData)
261 VERIFY_NON_NULL(currData, TAG, "currData");
262 VERIFY_NON_NULL(currData->sentData, TAG, "currData->sentData");
264 bool isBlock = CACheckPayloadLength(currData->sentData);
267 return CA_NOT_SUPPORTED;
270 // set block option (COAP_OPTION_BLOCK2 or COAP_OPTION_BLOCK1)
271 if (currData->sentData->requestInfo) // request message
273 currData->type = COAP_OPTION_BLOCK1;
275 else // response message
277 currData->type = COAP_OPTION_BLOCK2;
283 // TODO make pdu const after libcoap is updated to support that.
284 CAResult_t CAReceiveBlockWiseData(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
285 const CAData_t *receivedData, size_t dataLen)
287 OIC_LOG(DEBUG, TAG, "CAReceiveBlockWiseData");
288 VERIFY_NON_NULL(pdu, TAG, "pdu");
289 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
290 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
291 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
293 // check if received message type is CA_MSG_RESET
294 if (CA_EMPTY == pdu->hdr->coap_hdr_udp_t.code)
296 OIC_LOG(DEBUG, TAG, "code is CA_EMPTY..");
298 // get token from block-wise transfer list when CA_EMPTY(RST/ACK) is received
299 CAResult_t res = CAGetTokenFromBlockDataList(pdu, endpoint, receivedData->responseInfo);
300 if (CA_STATUS_OK != res)
302 OIC_LOG(ERROR, TAG, "fail to get token");
306 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
307 receivedData->responseInfo->info.token,
308 receivedData->responseInfo->info.tokenLength,
310 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
312 // if retransmission is timeout, callback msg will be send without token.
313 if (NULL == blockDataID && !receivedData->responseInfo->info.token)
315 OIC_LOG(INFO, TAG, "retransmission was stopped");
316 return CA_REQUEST_TIMEOUT;
320 OIC_LOG(ERROR, TAG, "blockId is null");
321 CADestroyBlockID(blockDataID);
322 return CA_STATUS_FAILED;
326 CARemoveBlockDataFromList(blockDataID);
327 CADestroyBlockID(blockDataID);
328 return CA_NOT_SUPPORTED;
331 // check if block option is set and get block data
332 coap_block_t block = {0, 0, 0};
335 int isBlock1 = coap_get_block(pdu, COAP_OPTION_BLOCK1, &block);
338 CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, block, dataLen);
339 if (CA_STATUS_OK != res)
341 OIC_LOG(ERROR, TAG, "setting has failed");
347 int isBlock2 = coap_get_block(pdu, COAP_OPTION_BLOCK2, &block);
350 CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, block, dataLen);
351 if (CA_STATUS_OK != res)
353 OIC_LOG(ERROR, TAG, "setting has failed");
358 // check if there is error code
359 if (!isBlock1 && !isBlock2)
361 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
362 if (CA_REQUEST_ENTITY_INCOMPLETE == code)
364 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
365 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
366 pdu->hdr->coap_hdr_udp_t.token_length,
369 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
371 OIC_LOG(ERROR, TAG, "blockId is null");
372 CADestroyBlockID(blockDataID);
373 return CA_STATUS_FAILED;
376 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
379 OIC_LOG(ERROR, TAG, "getting has failed");
380 CADestroyBlockID(blockDataID);
381 return CA_STATUS_FAILED;
384 if (COAP_OPTION_BLOCK2 == data->type)
386 coap_block_t *block2 = CAGetBlockOption(blockDataID, COAP_OPTION_BLOCK2);
389 OIC_LOG(ERROR, TAG, "block is null");
390 CADestroyBlockID(blockDataID);
391 return CA_STATUS_FAILED;
394 CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, *block2,
396 if (CA_STATUS_OK != res)
398 OIC_LOG(ERROR, TAG, "setting has failed");
399 CADestroyBlockID(blockDataID);
403 else if (COAP_OPTION_BLOCK1 == data->type)
405 coap_block_t *block1 = CAGetBlockOption(blockDataID, COAP_OPTION_BLOCK1);
408 OIC_LOG(ERROR, TAG, "block is null");
409 CADestroyBlockID(blockDataID);
410 return CA_STATUS_FAILED;
413 CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, *block1,
415 if (CA_STATUS_OK != res)
417 OIC_LOG(ERROR, TAG, "setting has failed");
418 CADestroyBlockID(blockDataID);
426 OIC_LOG(DEBUG, TAG, "it's normal pdu");
428 // if received data is response message
429 // and sent data remain in block data list, remove block data
430 if (receivedData->responseInfo)
432 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
433 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
434 pdu->hdr->coap_hdr_udp_t.token_length,
436 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
438 OIC_LOG(ERROR, TAG, "blockId is null");
439 CADestroyBlockID(blockDataID);
440 return CA_STATUS_FAILED;
443 CARemoveBlockDataFromList(blockDataID);
444 CADestroyBlockID(blockDataID);
446 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");
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");
505 case CA_SENT_PREVIOUS_NON_MSG:
506 res = CASendBlockMessage(pdu, CA_MSG_CONFIRM, blockWiseStatus,
508 if (CA_STATUS_OK != res)
510 OIC_LOG(ERROR, TAG, "send has failed");
515 case CA_OPTION2_LAST_BLOCK:
516 // process last block and send upper layer
517 res = CAReceiveLastBlock(blockID, receivedData);
518 if (CA_STATUS_OK != res)
520 OIC_LOG(ERROR, TAG, "receive has failed");
524 // remove data from list
525 res = CARemoveBlockDataFromList(blockID);
526 if (CA_STATUS_OK != res)
528 OIC_LOG(ERROR, TAG, "remove has failed");
533 case CA_OPTION1_NO_ACK_LAST_BLOCK:
534 // process last block and send upper layer
535 res = CAReceiveLastBlock(blockID, receivedData);
536 if (CA_STATUS_OK != res)
538 OIC_LOG(ERROR, TAG, "receive has failed");
542 if (CA_MSG_NONCONFIRM == pdu->hdr->coap_hdr_udp_t.type)
544 // remove data from list
545 res = CARemoveBlockDataFromList(blockID);
546 if (CA_STATUS_OK != res)
548 OIC_LOG(ERROR, TAG, "remove has failed");
554 case CA_OPTION1_NO_ACK_BLOCK:
555 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
557 // add data to send thread
558 res = CASendBlockMessage(pdu, CA_MSG_ACKNOWLEDGE, blockWiseStatus,
560 if (CA_STATUS_OK != res)
562 OIC_LOG(ERROR, TAG, "send has failed");
568 case CA_BLOCK_INCOMPLETE:
569 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type ||
570 CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
572 // add data to send thread
573 res = CASendErrorMessage(pdu, blockWiseStatus,
574 CA_REQUEST_ENTITY_INCOMPLETE,
576 if (CA_STATUS_OK != res)
578 OIC_LOG(ERROR, TAG, "send has failed");
584 case CA_BLOCK_TOO_LARGE:
585 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
587 res = CASendBlockMessage(pdu, CA_MSG_CONFIRM, blockWiseStatus,
589 if (CA_STATUS_OK != res)
591 OIC_LOG(ERROR, TAG, "send has failed");
595 else if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
597 res = CASendErrorMessage(pdu, blockWiseStatus,
598 CA_REQUEST_ENTITY_TOO_LARGE,
600 if (CA_STATUS_OK != res)
602 OIC_LOG(ERROR, TAG, "send has failed");
608 OIC_LOG_V(ERROR, TAG, "no logic [%d]", blockWiseStatus);
613 CAResult_t CASendBlockMessage(const coap_pdu_t *pdu, CAMessageType_t msgType,
614 uint8_t status, const CABlockDataID_t *blockID)
616 VERIFY_NON_NULL(pdu, TAG, "pdu");
617 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
618 VERIFY_NON_NULL(blockID, TAG, "blockID");
620 CAData_t *data = CAGetDataSetFromBlockDataList(blockID);
623 OIC_LOG(ERROR, TAG, "CAData is unavailable");
624 return CA_STATUS_FAILED;
627 if (CA_MSG_CONFIRM == msgType)
629 OIC_LOG(DEBUG, TAG, "need new msgID");
630 if (data->requestInfo)
632 data->requestInfo->info.messageId = 0;
635 if (data->responseInfo)
637 data->responseInfo->info.messageId = 0;
640 else if (CA_MSG_ACKNOWLEDGE == msgType)
642 if (data->responseInfo)
644 OIC_LOG(DEBUG, TAG, "set ACK message");
645 data->responseInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
646 data->responseInfo->info.type = CA_MSG_ACKNOWLEDGE;
647 if (CA_OPTION1_NO_ACK_LAST_BLOCK == status)
649 data->responseInfo->result = CA_CHANGED;
651 else if (CA_OPTION1_NO_ACK_BLOCK == status)
653 data->responseInfo->result = CA_CONTINUE;
658 // add data to send thread
659 CAResult_t res = CAAddSendThreadQueue(data, blockID);
660 if (CA_STATUS_OK != res)
662 OIC_LOG(ERROR, TAG, "add has failed");
668 CAResult_t CASendErrorMessage(const coap_pdu_t *pdu, uint8_t status,
669 CAResponseResult_t responseResult,
670 const CABlockDataID_t *blockID)
672 VERIFY_NON_NULL(pdu, TAG, "pdu");
673 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
674 VERIFY_NON_NULL(blockID, TAG, "blockID");
676 // create error responseInfo
677 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockID);
680 OIC_LOG(ERROR, TAG, "data is unavailable");
681 return CA_STATUS_FAILED;
684 CAData_t *cloneData = NULL;
685 if (data->sentData && data->sentData->responseInfo)
687 data->sentData->responseInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
688 data->sentData->responseInfo->info.type = CA_MSG_ACKNOWLEDGE;
689 data->sentData->responseInfo->result = responseResult;
690 cloneData = CACloneCAData(data->sentData);
693 OIC_LOG(ERROR, TAG, "clone has failed");
694 return CA_MEMORY_ALLOC_FAILED;
696 OIC_LOG(DEBUG, TAG, "set ACK message");
698 else if (data->sentData)
700 cloneData = CACreateNewDataSet(pdu, data->sentData->remoteEndpoint);
703 OIC_LOG(ERROR, TAG, PCF("CACreateNewDataSet failed"));
704 return CA_MEMORY_ALLOC_FAILED;
707 cloneData->responseInfo->info.type = CA_MSG_CONFIRM;
708 cloneData->responseInfo->result = responseResult;
709 OIC_LOG(DEBUG, TAG, "set CON message");
713 OIC_LOG(ERROR, TAG, "data has no sent-data");
714 return CA_MEMORY_ALLOC_FAILED;
717 // add data to send thread
718 if (g_context.sendThreadFunc)
720 ca_mutex_lock(g_context.blockDataSenderMutex);
721 g_context.sendThreadFunc(cloneData);
722 ca_mutex_unlock(g_context.blockDataSenderMutex);
726 CADestroyDataSet(cloneData);
729 // if error code is 4.08, remove the stored payload and initialize block number
730 if (CA_BLOCK_INCOMPLETE == status)
732 OICFree(data->payload);
733 data->payload = NULL;
734 data->payloadLength = 0;
735 data->receivedPayloadLen = 0;
736 data->block1.num = 0;
737 data->block2.num = 0;
743 CAResult_t CAReceiveLastBlock(const CABlockDataID_t *blockID,
744 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,
763 CAResult_t res = CAUpdatePayloadToCAData(cloneData, fullPayload, fullPayloadLen);
764 if (CA_STATUS_OK != res)
766 OIC_LOG(ERROR, TAG, "update has failed");
767 CADestroyDataSet(cloneData);
772 if (g_context.receivedThreadFunc)
774 g_context.receivedThreadFunc(cloneData);
778 CADestroyDataSet(cloneData);
784 // TODO make pdu const after libcoap is updated to support that.
785 CAResult_t CASetNextBlockOption1(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
786 const CAData_t *receivedData, coap_block_t block,
789 OIC_LOG(INFO, TAG, "CASetNextBlockOption1");
790 VERIFY_NON_NULL(pdu, TAG, "pdu");
791 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
792 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
793 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
795 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
797 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
798 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
799 pdu->hdr->coap_hdr_udp_t.token_length,
802 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
804 OIC_LOG(ERROR, TAG, "blockId is null");
805 CADestroyBlockID(blockDataID);
806 return CA_STATUS_FAILED;
809 // BlockData data is created if it not existed
810 if (!CAIsBlockDataInList(blockDataID))
812 OIC_LOG(DEBUG, TAG, "no message in list");
814 CAData_t *data = CACreateNewDataSet(pdu, endpoint);
817 OIC_LOG(ERROR, TAG, "data is null");
818 CADestroyBlockID(blockDataID);
819 return CA_STATUS_FAILED;
822 CABlockData_t *currData = CACreateNewBlockData(data);
825 OIC_LOG(ERROR, TAG, "currData is null");
826 CADestroyDataSet(data);
827 CADestroyBlockID(blockDataID);
828 return CA_STATUS_FAILED;
830 CADestroyDataSet(data);
833 // update BLOCK OPTION1 type
834 CAResult_t res = CAUpdateBlockOptionType(blockDataID,
836 if (CA_STATUS_OK != res)
838 OIC_LOG(ERROR, TAG, "update has failed");
839 CARemoveBlockDataFromList(blockDataID);
840 CADestroyBlockID(blockDataID);
844 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
847 OIC_LOG(ERROR, TAG, "getting has failed");
848 CADestroyBlockID(blockDataID);
849 return CA_STATUS_FAILED;
852 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
853 // received type from remote device
854 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
856 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
858 (CA_REQUEST_ENTITY_INCOMPLETE != code && CA_REQUEST_ENTITY_TOO_LARGE != code))
860 int isBlock2 = coap_get_block(pdu, COAP_OPTION_BLOCK2, &block);
863 OIC_LOG(INFO, TAG, "received data is combining block1 and block2");
864 // initialize block number for response message
865 data->block1.num = 0;
866 CADestroyBlockID(blockDataID);
871 OIC_LOG(INFO, TAG, "received data is not bulk data");
872 CAReceiveLastBlock(blockDataID, receivedData);
873 CARemoveBlockDataFromList(blockDataID);
874 CADestroyBlockID(blockDataID);
879 blockWiseStatus = CA_OPTION1_ACK;
880 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
881 if (CA_STATUS_OK != res)
883 OIC_LOG(ERROR, TAG, "update has failed");
884 CADestroyBlockID(blockDataID);
888 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
889 if (CA_STATUS_OK != res)
891 OIC_LOG(ERROR, TAG, "update has failed");
892 CARemoveBlockDataFromList(blockDataID);
893 CADestroyBlockID(blockDataID);
897 else // CON or NON message
899 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
901 // check the size option
902 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
904 &(data->payloadLength));
906 // check if received payload is exact
907 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
909 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
910 COAP_OPTION_BLOCK1, dataLen);
913 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
915 // store the received payload and merge
916 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
917 isSizeOption, COAP_OPTION_BLOCK1);
918 if (CA_STATUS_OK != res)
920 OIC_LOG(ERROR, TAG, "update has failed");
921 CARemoveBlockDataFromList(blockDataID);
922 CADestroyBlockID(blockDataID);
926 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
927 if (CA_STATUS_OK != res)
929 OIC_LOG(ERROR, TAG, "update has failed");
930 CARemoveBlockDataFromList(blockDataID);
931 CADestroyBlockID(blockDataID);
936 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
937 if (CA_STATUS_OK != res)
939 OIC_LOG(ERROR, TAG, "update has failed");
940 CARemoveBlockDataFromList(blockDataID);
941 CADestroyBlockID(blockDataID);
946 // check the blcok-wise transfer status for next step
947 if (CA_BLOCK_UNKNOWN == blockWiseStatus || CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
949 if (0 == block.m) // Last block is received
951 OIC_LOG(DEBUG, TAG, "M bit is 0");
952 blockWiseStatus = CA_OPTION1_NO_ACK_LAST_BLOCK;
956 OIC_LOG(DEBUG, TAG, "M bit is 1");
957 blockWiseStatus = CA_OPTION1_NO_ACK_BLOCK;
962 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
963 if (CA_STATUS_OK != res)
965 OIC_LOG(ERROR, TAG, "setting has failed");
966 CARemoveBlockDataFromList(blockDataID);
969 CADestroyBlockID(blockDataID);
973 // TODO make pdu const after libcoap is updated to support that.
974 CAResult_t CASetNextBlockOption2(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
975 const CAData_t *receivedData, coap_block_t block,
978 OIC_LOG(DEBUG, TAG, "CASetNextBlockOption2");
979 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
981 VERIFY_NON_NULL(pdu, TAG, "pdu");
982 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
983 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
984 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
986 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
987 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
988 pdu->hdr->coap_hdr_udp_t.token_length,
991 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
993 OIC_LOG(ERROR, TAG, "blockId is null");
994 CADestroyBlockID(blockDataID);
995 return CA_STATUS_FAILED;
998 // BlockData data is created if it not existed
999 if (!CAIsBlockDataInList(blockDataID))
1001 OIC_LOG(DEBUG, TAG, "no msg in list.");
1003 CAData_t *data = CACreateNewDataSet(pdu, endpoint);
1006 OIC_LOG(ERROR, TAG, "data is null");
1007 CADestroyBlockID(blockDataID);
1008 return CA_STATUS_FAILED;
1011 CABlockData_t *currData = CACreateNewBlockData(data);
1014 OIC_LOG(ERROR, TAG, "data is null");
1015 CADestroyDataSet(data);
1016 CADestroyBlockID(blockDataID);
1017 return CA_STATUS_FAILED;
1019 CADestroyDataSet(data);
1022 // set Block Option Type
1023 CAResult_t res = CAUpdateBlockOptionType(blockDataID,
1024 COAP_OPTION_BLOCK2);
1025 if (CA_STATUS_OK != res)
1027 OIC_LOG(ERROR, TAG, "update has failed");
1028 CARemoveBlockDataFromList(blockDataID);
1029 CADestroyBlockID(blockDataID);
1033 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
1036 OIC_LOG(ERROR, TAG, "getting has failed");
1037 CARemoveBlockDataFromList(blockDataID);
1038 CADestroyBlockID(blockDataID);
1039 return CA_STATUS_FAILED;
1042 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
1043 if (0 == block.num && CA_GET == pdu->hdr->coap_hdr_udp_t.code && 0 == block.m)
1045 OIC_LOG(INFO, TAG, "first block number");
1047 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1048 if (CA_STATUS_OK != res)
1050 OIC_LOG(ERROR, TAG, "update has failed");
1051 CARemoveBlockDataFromList(blockDataID);
1052 CADestroyBlockID(blockDataID);
1056 // first block data have to notify to Application
1057 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1058 if (CA_STATUS_OK != res)
1060 OIC_LOG(ERROR, TAG, "update has failed");
1061 CARemoveBlockDataFromList(blockDataID);
1062 CADestroyBlockID(blockDataID);
1065 blockWiseStatus = CA_OPTION2_FIRST_BLOCK;
1069 // received type from remote device
1070 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type ||
1071 (CA_MSG_NONCONFIRM == pdu->hdr->coap_hdr_udp_t.type &&
1072 NULL != receivedData->responseInfo))
1074 OIC_LOG(DEBUG, TAG, "received ACK or NON");
1076 // check the size option
1077 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
1079 &(data->payloadLength));
1081 // check if received payload is exact
1082 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
1084 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
1085 COAP_OPTION_BLOCK2, dataLen);
1088 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
1090 // store the received payload and merge
1091 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
1092 isSizeOption, COAP_OPTION_BLOCK2);
1093 if (CA_STATUS_OK != res)
1095 OIC_LOG(ERROR, TAG, "update has failed");
1096 CARemoveBlockDataFromList(blockDataID);
1097 CADestroyBlockID(blockDataID);
1102 if (0 == block.m && CA_BLOCK_UNKNOWN == blockWiseStatus) // Last block is received
1104 OIC_LOG(DEBUG, TAG, "M bit is 0");
1105 blockWiseStatus = CA_OPTION2_LAST_BLOCK;
1109 if (CA_BLOCK_UNKNOWN == blockWiseStatus ||
1110 CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
1112 OIC_LOG(DEBUG, TAG, "M bit is 1");
1114 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
1116 blockWiseStatus = CA_OPTION2_ACK;
1120 blockWiseStatus = CA_OPTION2_NON;
1124 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2,
1126 if (CA_STATUS_OK != res)
1128 OIC_LOG(ERROR, TAG, "update has failed");
1129 CARemoveBlockDataFromList(blockDataID);
1130 CADestroyBlockID(blockDataID);
1134 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1135 if (CA_STATUS_OK != res)
1137 OIC_LOG(ERROR, TAG, "update has failed");
1138 CARemoveBlockDataFromList(blockDataID);
1139 CADestroyBlockID(blockDataID);
1144 else // CON message and so on.
1146 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
1148 blockWiseStatus = CA_OPTION2_CON;
1150 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1151 if (CA_STATUS_OK != res)
1153 OIC_LOG(ERROR, TAG, "update has failed");
1154 CARemoveBlockDataFromList(blockDataID);
1155 CADestroyBlockID(blockDataID);
1159 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1160 if (CA_STATUS_OK != res)
1162 OIC_LOG(ERROR, TAG, "update has failed");
1163 CARemoveBlockDataFromList(blockDataID);
1164 CADestroyBlockID(blockDataID);
1170 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
1171 if (CA_STATUS_OK != res)
1173 OIC_LOG(ERROR, TAG, "setting has failed");
1174 CARemoveBlockDataFromList(blockDataID);
1175 CADestroyBlockID(blockDataID);
1179 CADestroyBlockID(blockDataID);
1180 return CA_STATUS_OK;
1183 CAResult_t CAUpdateBlockOptionItems(CABlockData_t *currData, const coap_pdu_t *pdu,
1184 coap_block_t *block, uint16_t blockType,
1187 VERIFY_NON_NULL(currData, TAG, "currData");
1188 VERIFY_NON_NULL(pdu, TAG, "pdu");
1189 VERIFY_NON_NULL(block, TAG, "block");
1191 // update block data
1192 CAResult_t res = CA_STATUS_OK;
1193 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
1195 if (CA_REQUEST_ENTITY_INCOMPLETE == code || CA_REQUEST_ENTITY_TOO_LARGE == code)
1197 // response error code of the received block message
1198 res = CAHandleBlockErrorResponse(block, blockType, code);
1199 if (CA_STATUS_OK != res)
1201 OIC_LOG(ERROR, TAG, "error handle has failed");
1207 // update block option items
1210 case CA_OPTION1_ACK:
1211 if (currData->block1.num > block->num)
1213 OIC_LOG(ERROR, TAG, "received incorrect block num");
1214 return CA_STATUS_FAILED;
1218 case CA_OPTION2_NON:
1222 case CA_OPTION2_CON:
1225 case CA_OPTION2_ACK:
1226 if (currData->block2.num > block->num)
1228 OIC_LOG(ERROR, TAG, "received incorrect block num");
1229 return CA_STATUS_FAILED;
1234 case CA_BLOCK_TOO_LARGE:
1235 // if state of received block message is CA_BLOCK_TOO_LARGE or CA_BLOCK_INCOMPLETE
1236 // we set the response error code appropriately and send
1237 if (COAP_OPTION_BLOCK2 == blockType)
1241 block->szx = currData->block2.szx;
1245 block->szx = currData->block1.szx;
1249 OIC_LOG_V(ERROR, TAG, "no logic [%d]", status);
1252 if (CA_BLOCK_INCOMPLETE != status && CA_BLOCK_TOO_LARGE != status)
1254 // negotiate block size
1255 res = CANegotiateBlockSize(currData, block, pdu->hdr->coap_hdr_udp_t.type, blockType);
1256 if (CA_STATUS_OK != res)
1258 OIC_LOG(ERROR, TAG, "negotiation has failed");
1266 CAResult_t CAGetMoreBitFromBlock(size_t payloadLen, coap_block_t *block)
1268 VERIFY_NON_NULL(block, TAG, "block");
1270 if ((size_t)((block->num + 1) << (block->szx + BLOCK_NUMBER_IDX))
1273 OIC_LOG(DEBUG, TAG, "Set the M-bit(1)");
1278 OIC_LOG(DEBUG, TAG, "Set the M-bit(0)");
1282 return CA_STATUS_OK;
1285 CAResult_t CANegotiateBlockSize(CABlockData_t *currData, coap_block_t *block,
1286 CAMessageType_t msgType, uint16_t blockType)
1288 OIC_LOG(DEBUG, TAG, "IN-NegotiateBlockSize");
1290 VERIFY_NON_NULL(currData, TAG, "currData");
1291 VERIFY_NON_NULL(block, TAG, "block");
1293 // #1. check the block option type
1294 if (COAP_OPTION_BLOCK2 == blockType)
1296 // #2. check the message type
1297 if (CA_MSG_ACKNOWLEDGE == msgType)
1299 if (block->szx > currData->block2.szx)
1301 OIC_LOG(DEBUG, TAG, "sze is big");
1303 // #3. calculate new block number from block size
1304 unsigned int blockNum = BLOCK_SIZE(block->szx) /
1305 BLOCK_SIZE(currData->block2.szx) - 1;
1306 OIC_LOG(DEBUG, TAG, "num is set as Negotiation");
1307 block->num += blockNum;
1308 block->szx = currData->block2.szx;
1309 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1314 if (block->szx > currData->block2.szx)
1316 OIC_LOG(DEBUG, TAG, "sze is big");
1317 block->szx = currData->block2.szx;
1321 else if (COAP_OPTION_BLOCK1 == blockType)
1323 if (CA_MSG_ACKNOWLEDGE == msgType)
1325 if (block->szx < currData->block1.szx)
1327 OIC_LOG(DEBUG, TAG, "sze is small");
1329 unsigned int blockNum = BLOCK_SIZE(currData->block1.szx) /
1330 BLOCK_SIZE(block->szx) - 1;
1331 block->num += blockNum;
1332 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1337 if (block->szx > currData->block1.szx)
1339 OIC_LOG(DEBUG, TAG, "sze is big");
1340 block->szx = currData->block1.szx;
1346 OIC_LOG(DEBUG, TAG, "Invalid block option");
1347 return CA_STATUS_FAILED;
1350 OIC_LOG(DEBUG, TAG, "OUT-NegotiateBlockSize");
1352 return CA_STATUS_OK;
1355 CAResult_t CAUpdateBlockData(CABlockData_t *currData, coap_block_t block,
1358 VERIFY_NON_NULL(currData, TAG, "currData");
1360 // check if block size is bigger than CABlockSize_t
1361 if (block.szx > CA_BLOCK_SIZE_1024_BYTE)
1363 OIC_LOG(DEBUG, TAG, "invalid block szx");
1364 return CA_STATUS_FAILED;
1367 // update block option
1368 if (COAP_OPTION_BLOCK2 == blockType)
1370 currData->block2 = block;
1374 currData->block1 = block;
1377 OIC_LOG(DEBUG, TAG, "data has updated");
1378 return CA_STATUS_OK;
1381 CAResult_t CAUpdateMessageId(coap_pdu_t *pdu, const CABlockDataID_t *blockID)
1383 VERIFY_NON_NULL(pdu, TAG, "pdu");
1384 VERIFY_NON_NULL(blockID, TAG, "blockID");
1386 // if CON message is sent, update messageId in block-wise transfer list
1387 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
1389 CAData_t * cadata = CAGetDataSetFromBlockDataList(blockID);
1392 OIC_LOG(ERROR, TAG, "CAData is unavailable");
1393 return CA_STATUS_FAILED;
1396 if (cadata->requestInfo)
1398 cadata->requestInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
1402 return CA_STATUS_OK;
1405 CAResult_t CAAddBlockOption(coap_pdu_t **pdu, const CAInfo_t *info,
1406 const CAEndpoint_t *endpoint, coap_list_t **options)
1408 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption");
1409 VERIFY_NON_NULL(pdu, TAG, "pdu");
1410 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1411 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1412 VERIFY_NON_NULL(info, TAG, "info");
1413 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
1414 VERIFY_NON_NULL(options, TAG, "options");
1416 size_t dataLength = 0;
1419 dataLength = info->payloadSize;
1420 OIC_LOG_V(DEBUG, TAG, "dataLength - %zu", dataLength);
1423 OIC_LOG_V(DEBUG, TAG, "previous payload - %s", (*pdu)->data);
1425 CAResult_t res = CA_STATUS_OK;
1426 uint32_t code = CA_RESPONSE_CODE((*pdu)->hdr->coap_hdr_udp_t.code);
1427 if (CA_REQUEST_ENTITY_INCOMPLETE == code)
1429 OIC_LOG(INFO, TAG, "don't use option");
1433 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
1434 (CAToken_t)(*pdu)->hdr->coap_hdr_udp_t.token,
1435 (*pdu)->hdr->coap_hdr_udp_t.token_length,
1438 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
1440 OIC_LOG(ERROR, TAG, "blockId is null");
1441 res = CA_STATUS_FAILED;
1445 uint8_t blockType = CAGetBlockOptionType(blockDataID);
1446 if (COAP_OPTION_BLOCK2 == blockType)
1448 res = CAAddBlockOption2(pdu, info, dataLength, blockDataID, options);
1449 if (CA_STATUS_OK != res)
1451 OIC_LOG(ERROR, TAG, "add has failed");
1455 else if (COAP_OPTION_BLOCK1 == blockType)
1457 res = CAAddBlockOption1(pdu, info, dataLength, blockDataID, options);
1458 if (CA_STATUS_OK != res)
1460 OIC_LOG(ERROR, TAG, "add has failed");
1466 OIC_LOG(DEBUG, TAG, "no BLOCK option");
1468 // in case it is not large data, add option list to pdu.
1471 for (coap_list_t *opt = *options; opt; opt = opt->next)
1473 OIC_LOG_V(DEBUG, TAG, "[%s] opt will be added.",
1474 COAP_OPTION_DATA(*(coap_option *) opt->data));
1476 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length", (*pdu)->length);
1477 coap_add_option(*pdu, COAP_OPTION_KEY(*(coap_option *) opt->data),
1478 COAP_OPTION_LENGTH(*(coap_option *) opt->data),
1479 COAP_OPTION_DATA(*(coap_option *) opt->data), coap_udp);
1483 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length after option", (*pdu)->length);
1485 // if response data is so large. it have to send as block transfer
1486 if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info->payload))
1488 OIC_LOG(INFO, TAG, "it have to use block");
1492 OIC_LOG(INFO, TAG, "not Blockwise Transfer");
1497 // if received message type is RESET from remote device,
1498 // we have to use the updated message id to find token.
1499 res = CAUpdateMessageId(*pdu, blockDataID);
1500 if (CA_STATUS_OK != res)
1502 OIC_LOG(ERROR, TAG, "fail to update CON message id ");
1507 if (CA_ADAPTER_IP == endpoint->adapter && 0 == endpoint->port)
1509 CARemoveBlockDataFromList(blockDataID);
1511 CADestroyBlockID(blockDataID);
1512 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption");
1516 CAResult_t CAAddBlockOption2(coap_pdu_t **pdu, const CAInfo_t *info, size_t dataLength,
1517 const CABlockDataID_t *blockID, coap_list_t **options)
1519 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption2");
1520 VERIFY_NON_NULL(pdu, TAG, "pdu");
1521 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1522 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1523 VERIFY_NON_NULL(info, TAG, "info");
1524 VERIFY_NON_NULL(blockID, TAG, "blockID");
1525 VERIFY_NON_NULL(options, TAG, "options");
1527 // get set block data from CABlock list-set.
1528 coap_block_t *block1 = CAGetBlockOption(blockID,
1529 COAP_OPTION_BLOCK1);
1530 coap_block_t *block2 = CAGetBlockOption(blockID,
1531 COAP_OPTION_BLOCK2);
1532 if (!block1 || !block2)
1534 OIC_LOG(ERROR, TAG, "getting has failed");
1535 return CA_STATUS_FAILED;
1538 CALogBlockInfo(block2);
1541 if (CA_MSG_ACKNOWLEDGE == (*pdu)->hdr->coap_hdr_udp_t.type ||
1542 (CA_MSG_NONCONFIRM == (*pdu)->hdr->coap_hdr_udp_t.type &&
1543 CA_GET != (*pdu)->hdr->coap_hdr_udp_t.code))
1545 int32_t res = coap_write_block_opt(block2, COAP_OPTION_BLOCK2, *pdu, dataLength);
1548 case -2: /* illegal block */
1549 code = COAP_RESPONSE_CODE(CA_BAD_REQ);
1550 OIC_LOG(ERROR, TAG, "write block option : -2");
1552 case -1: /* should really not happen */
1553 OIC_LOG(ERROR, TAG, "write block option : -1");
1555 case -3: /* cannot handle request */
1556 code = COAP_RESPONSE_CODE(CA_INTERNAL_SERVER_ERROR);
1557 OIC_LOG(ERROR, TAG, "write block option : -3");
1560 OIC_LOG(INFO, TAG, "success write block option");
1562 CALogBlockInfo(block2);
1564 // if block number is 0, add size2 option
1565 if (0 == block2->num)
1567 res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE2, dataLength, options);
1568 if (CA_STATUS_OK != res)
1570 OIC_LOG(ERROR, TAG, "add has failed");
1571 CARemoveBlockDataFromList(blockID);
1578 OIC_LOG(DEBUG, TAG, "combining block1 and block2");
1579 CAResult_t res = CAAddBlockOptionImpl(*pdu, block1, COAP_OPTION_BLOCK1, options);
1580 if (CA_STATUS_OK != res)
1582 OIC_LOG(ERROR, TAG, "add has failed");
1583 CARemoveBlockDataFromList(blockID);
1586 // initialize block number
1590 if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info->payload,
1591 block2->num, block2->szx))
1593 OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
1594 return CA_STATUS_FAILED;
1599 // if sent message is last response block message, remove data
1600 CARemoveBlockDataFromList(blockID);
1604 if (CA_MSG_NONCONFIRM == (*pdu)->hdr->coap_hdr_udp_t.type)
1606 OIC_LOG(DEBUG, TAG, "NON, send next block..");
1607 // update block data
1609 CAResult_t res = CAProcessNextStep(*pdu, NULL,
1610 CA_SENT_PREVIOUS_NON_MSG,
1612 if (CA_STATUS_OK != res)
1614 OIC_LOG(ERROR, TAG, "failed to process next step");
1615 CARemoveBlockDataFromList(blockID);
1623 OIC_LOG(DEBUG, TAG, "option2, not ACK msg");
1624 CAResult_t res = CAAddBlockOptionImpl(*pdu, block2, COAP_OPTION_BLOCK2, options);
1625 if (CA_STATUS_OK != res)
1627 OIC_LOG(ERROR, TAG, "add has failed");
1628 CARemoveBlockDataFromList(blockID);
1633 return CA_STATUS_OK;
1636 OIC_LOG_V(ERROR, TAG, "error : %d", code);
1638 char* phrase = coap_response_phrase(code);
1641 coap_add_data(*pdu, strlen(phrase),
1642 (unsigned char *) phrase);
1644 return CA_STATUS_FAILED;
1647 CAResult_t CAAddBlockOption1(coap_pdu_t **pdu, const CAInfo_t *info, size_t dataLength,
1648 const CABlockDataID_t *blockID, coap_list_t **options)
1650 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption1");
1651 VERIFY_NON_NULL(pdu, TAG, "pdu");
1652 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1653 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1654 VERIFY_NON_NULL(info, TAG, "info");
1655 VERIFY_NON_NULL(blockID, TAG, "blockID");
1656 VERIFY_NON_NULL(options, TAG, "options");
1658 // get set block data from CABlock list-set.
1659 coap_block_t *block1 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK1);
1662 OIC_LOG(ERROR, TAG, "getting has failed");
1663 return CA_STATUS_FAILED;
1666 CALogBlockInfo(block1);
1668 if (CA_MSG_ACKNOWLEDGE == (*pdu)->hdr->coap_hdr_udp_t.type)
1670 OIC_LOG(DEBUG, TAG, "option1 and ACK msg..");
1671 CAResult_t res = CAAddBlockOptionImpl(*pdu, block1, COAP_OPTION_BLOCK1, options);
1672 if (CA_STATUS_OK != res)
1674 OIC_LOG(ERROR, TAG, "add has failed");
1675 CARemoveBlockDataFromList(blockID);
1679 if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info->payload))
1681 OIC_LOG(ERROR, TAG, "failed to add payload");
1682 return CA_STATUS_FAILED;
1685 // reset block-list after write block
1688 // remove data from list
1689 CAResult_t res = CARemoveBlockDataFromList(blockID);
1690 if (CA_STATUS_OK != res)
1692 OIC_LOG(ERROR, TAG, "remove has failed");
1699 CAGetMoreBitFromBlock(dataLength, block1);
1701 CAResult_t res = CA_STATUS_OK;
1702 // if block number is 0, add size1 option
1703 if (0 == block1->num)
1705 res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE1, dataLength, options);
1706 if (CA_STATUS_OK != res)
1708 OIC_LOG(ERROR, TAG, "add has failed");
1709 CARemoveBlockDataFromList(blockID);
1714 res = CAAddBlockOptionImpl(*pdu, block1, COAP_OPTION_BLOCK1, options);
1715 if (CA_STATUS_OK != res)
1717 OIC_LOG(ERROR, TAG, "add has failed");
1718 CARemoveBlockDataFromList(blockID);
1721 CALogBlockInfo(block1);
1723 if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info->payload,
1724 block1->num, block1->szx))
1726 OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
1727 return CA_STATUS_FAILED;
1730 // check the message type and if message type is NON, next block message will be sent
1731 if (CA_MSG_NONCONFIRM == (*pdu)->hdr->coap_hdr_udp_t.type)
1735 OIC_LOG(DEBUG, TAG, "NON, send next block..");
1736 // update block data
1738 CAResult_t res = CAProcessNextStep(*pdu, NULL,
1739 CA_SENT_PREVIOUS_NON_MSG,
1741 if (CA_STATUS_OK != res)
1743 OIC_LOG(ERROR, TAG, "failed to process next step");
1744 CARemoveBlockDataFromList(blockID);
1750 CARemoveBlockDataFromList(blockID);
1755 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption1");
1757 return CA_STATUS_OK;
1760 CAResult_t CAAddBlockOptionImpl(coap_pdu_t *pdu, coap_block_t *block, uint8_t blockType,
1761 coap_list_t **options)
1763 OIC_LOG(DEBUG, TAG, "IN-AddBlockOptionImpl");
1764 VERIFY_NON_NULL(pdu, TAG, "pdu");
1765 VERIFY_NON_NULL(block, TAG, "block");
1766 VERIFY_NON_NULL(options, TAG, "options");
1768 unsigned char buf[BLOCKWISE_OPTION_BUFFER] = { 0 };
1769 unsigned int optionLength = coap_encode_var_bytes(buf,
1770 ((block->num << BLOCK_NUMBER_IDX)
1771 | (block->m << BLOCK_M_BIT_IDX)
1774 int ret = coap_insert(options,
1775 CACreateNewOptionNode(blockType, optionLength, (char *) buf),
1779 return CA_STATUS_INVALID_PARAM;
1782 // after adding the block option to option list, add option list to pdu.
1785 for (coap_list_t *opt = *options; opt; opt = opt->next)
1787 OIC_LOG_V(DEBUG, TAG, "[%s] opt will be added.",
1788 COAP_OPTION_DATA(*(coap_option *) opt->data));
1790 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length", pdu->length);
1791 coap_add_option(pdu, COAP_OPTION_KEY(*(coap_option *) opt->data),
1792 COAP_OPTION_LENGTH(*(coap_option *) opt->data),
1793 COAP_OPTION_DATA(*(coap_option *) opt->data), coap_udp);
1797 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length after option", pdu->length);
1799 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOptionImpl");
1800 return CA_STATUS_OK;
1803 CAResult_t CAAddBlockSizeOption(coap_pdu_t *pdu, uint16_t sizeType, size_t dataLength,
1804 coap_list_t **options)
1806 OIC_LOG(DEBUG, TAG, "IN-CAAddBlockSizeOption");
1807 VERIFY_NON_NULL(pdu, TAG, "pdu");
1808 VERIFY_NON_NULL(options, TAG, "options");
1810 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1812 OIC_LOG(ERROR, TAG, "unknown option type");
1813 return CA_STATUS_FAILED;
1816 unsigned char value[BLOCKWISE_OPTION_BUFFER] = { 0 };
1817 unsigned int optionLength = coap_encode_var_bytes(value, dataLength);
1819 int ret = coap_insert(options,
1820 CACreateNewOptionNode(sizeType, optionLength, (char *) value),
1824 return CA_STATUS_INVALID_PARAM;
1827 OIC_LOG(DEBUG, TAG, "OUT-CAAddBlockSizeOption");
1829 return CA_STATUS_OK;
1832 // TODO make pdu const after libcoap is updated to support that.
1833 bool CAIsPayloadLengthInPduWithBlockSizeOption(coap_pdu_t *pdu,
1835 size_t *totalPayloadLen)
1837 OIC_LOG(DEBUG, TAG, "IN-CAIsPayloadLengthInPduWithBlockSizeOption");
1838 VERIFY_NON_NULL(pdu, TAG, "pdu");
1839 VERIFY_NON_NULL(totalPayloadLen, TAG, "totalPayloadLen");
1841 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1843 OIC_LOG(ERROR, TAG, "unknown option type");
1844 return CA_STATUS_FAILED;
1847 coap_opt_iterator_t opt_iter;
1848 coap_opt_t *option = coap_check_option(pdu, sizeType, &opt_iter);
1851 OIC_LOG(DEBUG, TAG, "get size option from pdu");
1852 *totalPayloadLen = coap_decode_var_bytes(COAP_OPT_VALUE(option),
1853 COAP_OPT_LENGTH(option));
1855 OIC_LOG_V(DEBUG, TAG, "the total payload length to be received is [%zu]bytes",
1861 OIC_LOG(DEBUG, TAG, "OUT-CAIsPayloadLengthInPduWithBlockSizeOption");
1866 uint8_t CACheckBlockErrorType(CABlockData_t *currData, coap_block_t *receivedBlock,
1867 const CAData_t *receivedData, uint16_t blockType,
1870 OIC_LOG(DEBUG, TAG, "IN-CheckBlockError");
1872 VERIFY_NON_NULL(currData, TAG, "currData is NULL");
1873 VERIFY_NON_NULL(receivedBlock, TAG, "receivedBlock is NULL");
1874 VERIFY_NON_NULL(receivedData, TAG, "receivedData is NULL");
1876 // #1. check the received payload length
1877 size_t blockPayloadLen = 0;
1878 CAGetPayloadInfo(receivedData, &blockPayloadLen);
1880 // #2. check if the block sequence is right
1881 if (COAP_OPTION_BLOCK1 == blockType)
1883 size_t prePayloadLen = currData->receivedPayloadLen;
1884 if (prePayloadLen != (size_t)BLOCK_SIZE(receivedBlock->szx)
1885 * receivedBlock->num)
1887 if (receivedBlock->num > currData->block1.num + 1)
1889 // 408 Error handling of block loss
1890 OIC_LOG(ERROR, TAG, "option1: error 4.08");
1891 OIC_LOG(ERROR, TAG, "it didn't order");
1892 return CA_BLOCK_INCOMPLETE;
1894 return CA_BLOCK_RECEIVED_ALREADY;
1897 else if (COAP_OPTION_BLOCK2 == blockType)
1899 if (receivedBlock->num != currData->block2.num)
1901 if (receivedBlock->num > currData->block2.num)
1903 // 408 Error handling of block loss
1904 OIC_LOG(ERROR, TAG, "option2: error 4.08");
1905 OIC_LOG(ERROR, TAG, "it didn't order");
1906 return CA_BLOCK_INCOMPLETE;
1908 return CA_BLOCK_RECEIVED_ALREADY;
1912 // #3. check if error check logic is required
1913 size_t optionLen = dataLen - blockPayloadLen;
1914 if (receivedBlock->m && blockPayloadLen !=
1915 (size_t)BLOCK_SIZE(receivedBlock->szx))
1917 // 413 Error handling of too large entity
1918 if (COAP_MAX_PDU_SIZE < BLOCK_SIZE(receivedBlock->szx) + optionLen)
1920 // buffer size is smaller than received block size
1921 OIC_LOG(ERROR, TAG, "error type 4.13");
1922 OIC_LOG(ERROR, TAG, "too large size");
1924 // set the block size to be smaller than COAP_MAX_PDU_SIZE
1925 for (int32_t size = CA_DEFAULT_BLOCK_SIZE; size >= 0; size--)
1927 if (COAP_MAX_PDU_SIZE >= BLOCK_SIZE(size) + optionLen)
1929 OIC_LOG_V(ERROR, TAG, "replace sze with %d", size);
1930 if (COAP_OPTION_BLOCK2 == blockType)
1932 currData->block2.szx = size;
1936 currData->block1.szx = size;
1941 return CA_BLOCK_TOO_LARGE;
1945 // 408 Error handling of payload loss
1946 OIC_LOG(ERROR, TAG, "error type 4.08");
1947 OIC_LOG(ERROR, TAG, "payload len != block sze");
1948 return CA_BLOCK_INCOMPLETE;
1951 else if (0 == receivedBlock->m && 0 != currData->payloadLength)
1953 // if the received block is last block, check the total payload length
1954 size_t receivedPayloadLen = currData->receivedPayloadLen;
1955 receivedPayloadLen += blockPayloadLen;
1957 if (receivedPayloadLen != currData->payloadLength)
1959 OIC_LOG(ERROR, TAG, "error type 4.08");
1960 OIC_LOG(ERROR, TAG, "total payload length is wrong");
1961 return CA_BLOCK_INCOMPLETE;
1965 OIC_LOG(DEBUG, TAG, "received all data normally");
1967 OIC_LOG(DEBUG, TAG, "OUT-CheckBlockError");
1969 return CA_BLOCK_UNKNOWN;
1972 CAResult_t CAUpdatePayloadData(CABlockData_t *currData, const CAData_t *receivedData,
1973 uint8_t status, bool isSizeOption, uint16_t blockType)
1975 OIC_LOG(DEBUG, TAG, "IN-UpdatePayloadData");
1977 VERIFY_NON_NULL(currData, TAG, "currData");
1978 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
1980 // if error code is 4.08, do not update payload
1981 if (CA_BLOCK_INCOMPLETE == status)
1983 OIC_LOG(ERROR, TAG, "no require to update");
1984 return CA_STATUS_OK;
1987 size_t blockPayloadLen = 0;
1988 CAPayload_t blockPayload = CAGetPayloadInfo(receivedData, &blockPayloadLen);
1990 if (CA_BLOCK_TOO_LARGE == status)
1992 blockPayloadLen = (COAP_OPTION_BLOCK2 == blockType) ?
1993 BLOCK_SIZE(currData->block2.szx) : BLOCK_SIZE(currData->block1.szx);
1996 // memory allocation for the received block payload
1997 size_t prePayloadLen = currData->receivedPayloadLen;
2000 if (currData->payloadLength)
2002 // in case the block message has the size option
2003 // allocate the memory for the total payload
2006 CAPayload_t prePayload = currData->payload;
2008 OIC_LOG(DEBUG, TAG, "allocate memory for the total payload");
2009 currData->payload = (CAPayload_t) OICCalloc(1, currData->payloadLength);
2010 if (NULL == currData->payload)
2012 OIC_LOG(ERROR, TAG, "out of memory");
2013 return CA_MEMORY_ALLOC_FAILED;
2015 memcpy(currData->payload, prePayload, prePayloadLen);
2016 OICFree(prePayload);
2019 // update the total payload
2020 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
2024 OIC_LOG(DEBUG, TAG, "allocate memory for the received block payload");
2026 size_t totalPayloadLen = prePayloadLen + blockPayloadLen;
2027 CAPayload_t newPayload = OICRealloc(currData->payload, totalPayloadLen);
2028 if (NULL == newPayload)
2030 OIC_LOG(ERROR, TAG, "out of memory");
2031 return CA_MEMORY_ALLOC_FAILED;
2034 // update the total payload
2035 memset(newPayload + prePayloadLen, 0, blockPayloadLen);
2036 currData->payload = newPayload;
2037 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
2040 // update received payload length
2041 currData->receivedPayloadLen += blockPayloadLen;
2043 OIC_LOG_V(DEBUG, TAG, "updated payload: %s, len: %zu", currData->payload,
2044 currData->receivedPayloadLen);
2047 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayloadData");
2048 return CA_STATUS_OK;
2051 CAData_t* CACreateNewDataSet(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint)
2053 VERIFY_NON_NULL_RET(pdu, TAG, "pdu", NULL);
2054 VERIFY_NON_NULL_RET(pdu->hdr, TAG, "pdu->hdr", NULL);
2055 VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
2057 CAInfo_t responseData = { .tokenLength = pdu->hdr->coap_hdr_udp_t.token_length };
2058 responseData.token = (CAToken_t) OICMalloc(responseData.tokenLength);
2059 if (!responseData.token)
2061 OIC_LOG(ERROR, TAG, "out of memory");
2064 memcpy(responseData.token, pdu->hdr->coap_hdr_udp_t.token, responseData.tokenLength);
2066 CAResponseInfo_t* responseInfo = (CAResponseInfo_t*) OICCalloc(1, sizeof(CAResponseInfo_t));
2069 OIC_LOG(ERROR, TAG, "out of memory");
2070 OICFree(responseData.token);
2073 responseInfo->info = responseData;
2075 CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
2078 OIC_LOG(ERROR, TAG, "out of memory");
2079 OICFree(responseInfo);
2083 data->requestInfo = NULL;
2084 data->responseInfo = responseInfo;
2085 data->remoteEndpoint = CACloneEndpoint(endpoint);
2086 data->type = SEND_TYPE_UNICAST;
2091 CAData_t *CACloneCAData(const CAData_t *data)
2093 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2095 CAData_t *clone = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
2098 OIC_LOG(ERROR, TAG, "out of memory");
2103 if (data->requestInfo)
2105 clone->requestInfo = CACloneRequestInfo(data->requestInfo);
2107 else if (data->responseInfo)
2109 clone->responseInfo = CACloneResponseInfo(data->responseInfo);
2112 if (data->remoteEndpoint)
2114 clone->remoteEndpoint = CACloneEndpoint(data->remoteEndpoint);
2120 CAResult_t CAUpdatePayloadToCAData(CAData_t *data, const CAPayload_t payload,
2123 OIC_LOG(DEBUG, TAG, "IN-UpdatePayload");
2125 VERIFY_NON_NULL(data, TAG, "data is NULL");
2126 VERIFY_NON_NULL(payload, TAG, "payload is NULL");
2128 CAPayload_t newPayload = NULL;
2129 switch (data->dataType)
2131 case CA_REQUEST_DATA:
2132 if (!data->requestInfo)
2134 OIC_LOG(ERROR, TAG, "request info is null");
2135 return CA_STATUS_FAILED;
2137 // allocate payload field
2138 newPayload = OICRealloc(data->requestInfo->info.payload, payloadLen);
2141 OIC_LOG(ERROR, TAG, "out of memory");
2142 return CA_STATUS_FAILED;
2144 data->requestInfo->info.payload = newPayload;
2145 memcpy(data->requestInfo->info.payload, payload, payloadLen);
2146 data->requestInfo->info.payloadSize = payloadLen;
2149 case CA_RESPONSE_DATA:
2150 if (!data->responseInfo)
2152 OIC_LOG(ERROR, TAG, "response info is null");
2153 return CA_STATUS_FAILED;
2155 // allocate payload field
2156 newPayload = OICRealloc(data->responseInfo->info.payload, payloadLen);
2159 OIC_LOG(ERROR, TAG, "out of memory");
2160 return CA_STATUS_FAILED;
2162 data->responseInfo->info.payload = newPayload;
2163 memcpy(data->responseInfo->info.payload, payload, payloadLen);
2164 data->responseInfo->info.payloadSize = payloadLen;
2168 // does not occur case
2169 OIC_LOG(ERROR, TAG, "not supported data type");
2170 return CA_NOT_SUPPORTED;
2173 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayload");
2175 return CA_STATUS_OK;
2178 CAPayload_t CAGetPayloadInfo(const CAData_t *data, size_t *payloadLen)
2180 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2181 VERIFY_NON_NULL_RET(payloadLen, TAG, "payloadLen", NULL);
2183 if (data->requestInfo)
2185 if (data->requestInfo->info.payload)
2187 *payloadLen = data->requestInfo->info.payloadSize;
2188 return data->requestInfo->info.payload;
2193 if (data->responseInfo->info.payload)
2195 *payloadLen = data->responseInfo->info.payloadSize;
2196 return data->responseInfo->info.payload;
2203 CAResult_t CAHandleBlockErrorResponse(coap_block_t *block, uint16_t blockType,
2204 uint32_t responseResult)
2206 OIC_LOG(DEBUG, TAG, "IN-HandleBlockErrorRes");
2207 VERIFY_NON_NULL(block, TAG, "block is NULL");
2209 // update block data
2210 switch (responseResult)
2212 case CA_REQUEST_ENTITY_INCOMPLETE:
2215 case CA_REQUEST_ENTITY_TOO_LARGE:
2216 if (COAP_OPTION_BLOCK1 == blockType)
2223 OIC_LOG_V(ERROR, TAG, "there is no Error Code of BWT[%d]", responseResult);
2226 OIC_LOG(DEBUG, TAG, "OUT-HandleBlockErrorRes");
2227 return CA_STATUS_OK;
2230 CAResult_t CAUpdateBlockOptionType(const CABlockDataID_t *blockID,
2233 OIC_LOG(DEBUG, TAG, "IN-UpdateBlockOptionType");
2234 VERIFY_NON_NULL(blockID, TAG, "blockID");
2236 ca_mutex_lock(g_context.blockDataListMutex);
2238 size_t len = u_arraylist_length(g_context.dataList);
2239 for (size_t i = 0; i < len; i++)
2241 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2242 if (CABlockidMatches(currData, blockID))
2244 currData->type = blockType;
2245 ca_mutex_unlock(g_context.blockDataListMutex);
2246 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2247 return CA_STATUS_OK;
2250 ca_mutex_unlock(g_context.blockDataListMutex);
2252 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2253 return CA_STATUS_FAILED;
2256 uint8_t CAGetBlockOptionType(const CABlockDataID_t *blockID)
2258 OIC_LOG(DEBUG, TAG, "IN-GetBlockOptionType");
2259 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", 0);
2261 ca_mutex_lock(g_context.blockDataListMutex);
2263 size_t len = u_arraylist_length(g_context.dataList);
2264 for (size_t i = 0; i < len; i++)
2266 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2267 if (CABlockidMatches(currData, blockID))
2269 ca_mutex_unlock(g_context.blockDataListMutex);
2270 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2271 return currData->type;
2274 ca_mutex_unlock(g_context.blockDataListMutex);
2276 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2280 CAData_t *CAGetDataSetFromBlockDataList(const CABlockDataID_t *blockID)
2282 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2284 ca_mutex_lock(g_context.blockDataListMutex);
2286 size_t len = u_arraylist_length(g_context.dataList);
2287 for (size_t i = 0; i < len; i++)
2289 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2290 if (CABlockidMatches(currData, blockID))
2292 ca_mutex_unlock(g_context.blockDataListMutex);
2293 return currData->sentData;
2296 ca_mutex_unlock(g_context.blockDataListMutex);
2301 CAResult_t CAGetTokenFromBlockDataList(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
2302 CAResponseInfo_t *responseInfo)
2304 OIC_LOG(DEBUG, TAG, "IN-CAGetTokenFromBlockDataList");
2305 VERIFY_NON_NULL(pdu, TAG, "pdu");
2306 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
2307 VERIFY_NON_NULL(responseInfo, TAG, "responseInfo");
2309 ca_mutex_lock(g_context.blockDataListMutex);
2311 size_t len = u_arraylist_length(g_context.dataList);
2312 for (size_t i = 0; i < len; i++)
2314 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2315 if (NULL == currData)
2320 if (NULL != currData->sentData && NULL != currData->sentData->requestInfo)
2322 if (pdu->hdr->coap_hdr_udp_t.id == currData->sentData->requestInfo->info.messageId &&
2323 endpoint->adapter == currData->sentData->remoteEndpoint->adapter)
2325 if (NULL != currData->sentData->requestInfo->info.token)
2327 uint8_t length = currData->sentData->requestInfo->info.tokenLength;
2328 responseInfo->info.tokenLength = length;
2329 responseInfo->info.token = (char *) OICMalloc(length);
2330 if (NULL == responseInfo->info.token)
2332 OIC_LOG(ERROR, TAG, "out of memory");
2333 ca_mutex_unlock(g_context.blockDataListMutex);
2334 return CA_MEMORY_ALLOC_FAILED;
2336 memcpy(responseInfo->info.token, currData->sentData->requestInfo->info.token,
2337 responseInfo->info.tokenLength);
2339 ca_mutex_unlock(g_context.blockDataListMutex);
2340 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2341 return CA_STATUS_OK;
2347 ca_mutex_unlock(g_context.blockDataListMutex);
2349 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2350 return CA_STATUS_OK;
2353 CAResult_t CACheckBlockDataValidation(const CAData_t *sendData, CABlockData_t **blockData)
2355 VERIFY_NON_NULL(sendData, TAG, "sendData");
2356 VERIFY_NON_NULL(blockData, TAG, "blockData");
2358 ca_mutex_lock(g_context.blockDataListMutex);
2360 size_t len = u_arraylist_length(g_context.dataList);
2361 for (size_t i = 0; i < len; i++)
2363 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2370 if (sendData->requestInfo) // sendData is requestMessage
2372 OIC_LOG(DEBUG, TAG, "Send request");
2373 if (NULL != currData->blockDataId
2374 && NULL != currData->blockDataId->id
2375 && currData->blockDataId->idLength > 0
2376 && NULL != sendData->requestInfo->info.token)
2378 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2379 (CAToken_t)sendData->requestInfo->info.token,
2380 sendData->requestInfo->info.tokenLength,
2381 sendData->remoteEndpoint->port);
2383 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2385 OIC_LOG(ERROR, TAG, "blockId is null");
2386 CADestroyBlockID(blockDataID);
2387 return CA_STATUS_FAILED;
2390 if (CABlockidMatches(currData, blockDataID))
2392 OIC_LOG(ERROR, TAG, "already sent");
2393 CADestroyBlockID(blockDataID);
2396 CADestroyBlockID(blockDataID);
2399 else if (sendData->responseInfo) // sendData is responseMessage
2401 OIC_LOG(DEBUG, TAG, "Send response");
2402 if (NULL != currData->blockDataId
2403 && NULL != currData->blockDataId->id
2404 && currData->blockDataId->idLength > 0
2405 && NULL != sendData->responseInfo->info.token)
2407 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2408 (CAToken_t)sendData->responseInfo->info.token,
2409 sendData->responseInfo->info.tokenLength,
2410 sendData->remoteEndpoint->port);
2412 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2414 OIC_LOG(ERROR, TAG, "blockId is null");
2415 CADestroyBlockID(blockDataID);
2416 return CA_STATUS_FAILED;
2419 if (CABlockidMatches(currData, blockDataID))
2422 if (NULL != currData->sentData)
2424 OIC_LOG(DEBUG, TAG, "init block number");
2425 CADestroyDataSet(currData->sentData);
2427 currData->sentData = CACloneCAData(sendData);
2428 *blockData = currData;
2429 CADestroyBlockID(blockDataID);
2430 ca_mutex_unlock(g_context.blockDataListMutex);
2431 return CA_STATUS_OK;
2433 CADestroyBlockID(blockDataID);
2438 OIC_LOG(ERROR, TAG, "no CAInfo data");
2442 ca_mutex_unlock(g_context.blockDataListMutex);
2444 return CA_STATUS_FAILED;
2447 CABlockData_t *CAGetBlockDataFromBlockDataList(const CABlockDataID_t *blockID)
2449 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2451 ca_mutex_lock(g_context.blockDataListMutex);
2453 size_t len = u_arraylist_length(g_context.dataList);
2454 for (size_t i = 0; i < len; i++)
2456 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2457 if (CABlockidMatches(currData, blockID))
2459 ca_mutex_unlock(g_context.blockDataListMutex);
2463 ca_mutex_unlock(g_context.blockDataListMutex);
2468 coap_block_t *CAGetBlockOption(const CABlockDataID_t *blockID,
2471 OIC_LOG(DEBUG, TAG, "IN-GetBlockOption");
2472 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2474 ca_mutex_lock(g_context.blockDataListMutex);
2476 size_t len = u_arraylist_length(g_context.dataList);
2477 for (size_t i = 0; i < len; i++)
2479 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2480 if (CABlockidMatches(currData, blockID))
2482 ca_mutex_unlock(g_context.blockDataListMutex);
2483 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2484 if (COAP_OPTION_BLOCK2 == blockType)
2486 return &currData->block2;
2490 return &currData->block1;
2494 ca_mutex_unlock(g_context.blockDataListMutex);
2496 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2500 CAPayload_t CAGetPayloadFromBlockDataList(const CABlockDataID_t *blockID,
2501 size_t *fullPayloadLen)
2503 OIC_LOG(DEBUG, TAG, "IN-GetFullPayload");
2504 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2505 VERIFY_NON_NULL_RET(fullPayloadLen, TAG, "fullPayloadLen", NULL);
2507 ca_mutex_lock(g_context.blockDataListMutex);
2509 size_t len = u_arraylist_length(g_context.dataList);
2510 for (size_t i = 0; i < len; i++)
2512 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2513 if (CABlockidMatches(currData, blockID))
2515 ca_mutex_unlock(g_context.blockDataListMutex);
2516 *fullPayloadLen = currData->receivedPayloadLen;
2517 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2518 return currData->payload;
2521 ca_mutex_unlock(g_context.blockDataListMutex);
2523 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2527 CABlockData_t *CACreateNewBlockData(const CAData_t *sendData)
2529 OIC_LOG(DEBUG, TAG, "IN-CACreateNewBlockData");
2530 VERIFY_NON_NULL_RET(sendData, TAG, "sendData", NULL);
2532 // create block data
2533 CABlockData_t *data = (CABlockData_t *) OICCalloc(1, sizeof(CABlockData_t));
2536 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2540 data->block1.szx = CA_DEFAULT_BLOCK_SIZE;
2541 data->block2.szx = CA_DEFAULT_BLOCK_SIZE;
2542 data->sentData = CACloneCAData(sendData);
2545 OIC_LOG(ERROR, TAG, PCF("memory alloc has failed"));
2550 CAToken_t token = NULL;
2551 uint8_t tokenLength = 0;
2552 if (data->sentData->requestInfo)
2554 // update token info
2555 tokenLength = data->sentData->requestInfo->info.tokenLength;
2556 token = data->sentData->requestInfo->info.token;
2558 else if(data->sentData->responseInfo)
2560 tokenLength = data->sentData->responseInfo->info.tokenLength;
2561 token = data->sentData->responseInfo->info.token;
2564 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2566 data->sentData->remoteEndpoint->port);
2567 if (NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2569 OIC_LOG(ERROR, TAG, "blockId is null");
2570 CADestroyBlockID(blockDataID);
2571 CADestroyDataSet(data->sentData);
2575 data->blockDataId = blockDataID;
2577 ca_mutex_lock(g_context.blockDataListMutex);
2579 bool res = u_arraylist_add(g_context.dataList, (void *) data);
2582 OIC_LOG(ERROR, TAG, "add has failed");
2583 CADestroyBlockID(data->blockDataId);
2584 CADestroyDataSet(data->sentData);
2586 ca_mutex_unlock(g_context.blockDataListMutex);
2589 ca_mutex_unlock(g_context.blockDataListMutex);
2591 OIC_LOG(DEBUG, TAG, "OUT-CreateBlockData");
2595 CAResult_t CARemoveBlockDataFromList(const CABlockDataID_t *blockID)
2597 OIC_LOG(DEBUG, TAG, "CARemoveBlockData");
2598 VERIFY_NON_NULL(blockID, TAG, "blockID");
2600 ca_mutex_lock(g_context.blockDataListMutex);
2602 size_t len = u_arraylist_length(g_context.dataList);
2603 for (size_t i = 0; i < len; i++)
2605 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2606 if (CABlockidMatches(currData, blockID))
2608 CABlockData_t *removedData = u_arraylist_remove(g_context.dataList, i);
2611 OIC_LOG(ERROR, TAG, "data is NULL");
2612 ca_mutex_unlock(g_context.blockDataListMutex);
2613 return CA_STATUS_FAILED;
2617 if (currData->sentData)
2619 CADestroyDataSet(currData->sentData);
2621 CADestroyBlockID(currData->blockDataId);
2622 OICFree(currData->payload);
2624 ca_mutex_unlock(g_context.blockDataListMutex);
2625 return CA_STATUS_OK;
2628 ca_mutex_unlock(g_context.blockDataListMutex);
2630 return CA_STATUS_OK;
2633 bool CAIsBlockDataInList(const CABlockDataID_t *blockID)
2635 OIC_LOG(DEBUG, TAG, "IN-IsBlockDataInList");
2636 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", false);
2638 ca_mutex_lock(g_context.blockDataListMutex);
2640 size_t len = u_arraylist_length(g_context.dataList);
2641 for (size_t i = 0; i < len; i++)
2643 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2644 if (CABlockidMatches(currData, blockID))
2646 OIC_LOG(DEBUG, TAG, "found block data");
2647 ca_mutex_unlock(g_context.blockDataListMutex);
2651 ca_mutex_unlock(g_context.blockDataListMutex);
2653 OIC_LOG(DEBUG, TAG, "OUT-IsBlockDataInList");
2657 void CADestroyDataSet(CAData_t* data)
2659 VERIFY_NON_NULL_VOID(data, TAG, "data");
2661 CAFreeEndpoint(data->remoteEndpoint);
2662 CADestroyRequestInfoInternal(data->requestInfo);
2663 CADestroyResponseInfoInternal(data->responseInfo);
2667 CABlockDataID_t* CACreateBlockDatablockId(const CAToken_t token, uint8_t tokenLength,
2668 uint16_t portNumber)
2670 VERIFY_NON_NULL_RET(token, TAG, "token", NULL);
2672 char port[PORT_LENGTH] = {0,};
2673 port[0] = (char)((portNumber>>8) & 0xFF);
2674 port[1] = (char)(portNumber & 0xFF);
2676 CABlockDataID_t* blockDataID = (CABlockDataID_t *) OICMalloc(sizeof(CABlockDataID_t));
2679 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2682 blockDataID->idLength = tokenLength + sizeof(port);
2683 blockDataID->id = (uint8_t *) OICMalloc(blockDataID->idLength);
2684 if (!blockDataID->id)
2686 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2687 OICFree(blockDataID);
2691 memcpy(blockDataID->id, token, tokenLength);
2692 memcpy(blockDataID->id + tokenLength, port, sizeof(port));
2694 OIC_LOG(DEBUG, TAG, "BlockID is ");
2695 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *)blockDataID->id, blockDataID->idLength);
2700 void CADestroyBlockID(CABlockDataID_t *blockID)
2702 VERIFY_NON_NULL_VOID(blockID, TAG, "blockID");
2703 OICFree(blockID->id);
2708 bool CABlockidMatches(const CABlockData_t *currData, const CABlockDataID_t *blockID)
2710 VERIFY_NON_NULL_RET(currData, TAG, "currData", false);
2711 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", false);
2712 VERIFY_NON_NULL_RET(blockID->id, TAG, "blockID->id", false);
2714 if ((currData->blockDataId)
2715 && (currData->blockDataId->id)
2716 && (currData->blockDataId->idLength == blockID->idLength)
2717 && !memcmp(currData->blockDataId->id, blockID->id, currData->blockDataId->idLength))
2724 void CALogBlockInfo(coap_block_t *block)
2726 VERIFY_NON_NULL_VOID(block, TAG, "block");
2728 OIC_LOG(DEBUG, TAG, "block option info");
2730 OIC_LOG_V(DEBUG, TAG, "block option-num : %d", block->num);
2732 OIC_LOG_V(DEBUG, TAG, "block option-m : %d", block->m);
2734 OIC_LOG_V(DEBUG, TAG, "block option-szx : %d", block->szx);