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"
43 #include "oic_string.h"
47 #define TAG "OIC_CA_BWT"
49 #define BLOCKWISE_OPTION_BUFFER (sizeof(unsigned int))
50 #define BLOCK_NUMBER_IDX 4
51 #define BLOCK_M_BIT_IDX 3
54 #define BLOCK_SIZE(arg) (1 << ((arg) + 4))
56 // context for block-wise transfer
57 static CABlockWiseContext_t g_context = { .sendThreadFunc = NULL,
58 .receivedThreadFunc = NULL,
61 static bool CACheckPayloadLength(const CAData_t *sendData)
63 size_t payloadLen = 0;
64 CAGetPayloadInfo(sendData, &payloadLen);
66 // check if message has to be transfered to a block
67 size_t maxBlockSize = BLOCK_SIZE(CA_DEFAULT_BLOCK_SIZE);
68 OIC_LOG_V(DEBUG, TAG, "payloadLen=%zu, maxBlockSize=%zu", payloadLen, maxBlockSize);
70 if (payloadLen <= maxBlockSize)
78 CAResult_t CAInitializeBlockWiseTransfer(CASendThreadFunc sendThreadFunc,
79 CAReceiveThreadFunc receivedThreadFunc)
81 OIC_LOG(DEBUG, TAG, "CAInitializeBlockWiseTransfer");
83 // set block-wise transfer context
84 if (!g_context.sendThreadFunc)
86 g_context.sendThreadFunc = sendThreadFunc;
89 if (!g_context.receivedThreadFunc)
91 g_context.receivedThreadFunc = receivedThreadFunc;
94 if (!g_context.dataList)
96 g_context.dataList = u_arraylist_create();
99 CAResult_t res = CAInitBlockWiseMutexVariables();
100 if (CA_STATUS_OK != res)
102 u_arraylist_free(&g_context.dataList);
103 g_context.dataList = NULL;
104 OIC_LOG(ERROR, TAG, "init has failed");
110 CAResult_t CATerminateBlockWiseTransfer()
112 OIC_LOG(DEBUG, TAG, "CATerminateBlockWiseTransfer");
114 if (g_context.dataList)
116 CARemoveAllBlockDataFromList();
117 u_arraylist_free(&g_context.dataList);
120 CATerminateBlockWiseMutexVariables();
125 CAResult_t CAInitBlockWiseMutexVariables()
127 if (!g_context.blockDataListMutex)
129 g_context.blockDataListMutex = ca_mutex_new();
130 if (!g_context.blockDataListMutex)
132 OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
133 return CA_STATUS_FAILED;
137 if (!g_context.blockDataSenderMutex)
139 g_context.blockDataSenderMutex = ca_mutex_new();
140 if (!g_context.blockDataSenderMutex)
142 OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
143 CATerminateBlockWiseMutexVariables();
144 return CA_STATUS_FAILED;
151 void CATerminateBlockWiseMutexVariables()
153 if (g_context.blockDataListMutex)
155 ca_mutex_free(g_context.blockDataListMutex);
156 g_context.blockDataListMutex = NULL;
159 if (g_context.blockDataSenderMutex)
161 ca_mutex_free(g_context.blockDataSenderMutex);
162 g_context.blockDataSenderMutex = NULL;
166 CAResult_t CASendBlockWiseData(const CAData_t *sendData)
168 VERIFY_NON_NULL(sendData, TAG, "sendData");
170 // check if message type is CA_MSG_RESET
171 if (sendData->requestInfo)
173 if (CA_MSG_RESET == sendData->requestInfo->info.type)
175 OIC_LOG(DEBUG, TAG, "reset message can't be sent to the block");
176 return CA_NOT_SUPPORTED;
180 * Other uses of the Block options in conjunction with multicast
181 * messages are for further study.
183 if (sendData->requestInfo->isMulticast)
185 OIC_LOG(DEBUG, TAG, "multicast message can't be sent to the block");
186 return CA_NOT_SUPPORTED;
189 else if (sendData->responseInfo)
191 if (CA_MSG_RESET == sendData->responseInfo->info.type)
193 OIC_LOG(DEBUG, TAG, "reset message can't be sent to the block");
194 return CA_NOT_SUPPORTED;
196 if (sendData->responseInfo->isMulticast)
198 OIC_LOG(DEBUG, TAG, "multicast message can't be sent to the block");
199 return CA_NOT_SUPPORTED;
203 // #1. check if it is already included in block data list
204 CABlockData_t *currData = NULL;
205 CAResult_t res = CACheckBlockDataValidation(sendData, &currData);
206 if (CA_STATUS_OK != res)
208 // #2. if it is not included, add the data into list
211 OIC_LOG(DEBUG, TAG, "There is no block data");
213 bool isBlock = CACheckPayloadLength(sendData);
216 if (sendData->requestInfo)
218 currData = CACreateNewBlockData(sendData);
221 OIC_LOG(ERROR, TAG, "failed to create block data");
222 return CA_MEMORY_ALLOC_FAILED;
225 return CA_NOT_SUPPORTED;
227 currData = CACreateNewBlockData(sendData);
230 OIC_LOG(ERROR, TAG, "failed to create block data");
231 return CA_MEMORY_ALLOC_FAILED;
236 // #3. check request/response block option type and payload length
237 res = CACheckBlockOptionType(currData);
238 if (CA_STATUS_OK == res)
240 // #4. send block message
241 OIC_LOG(DEBUG, TAG, "send first block msg");
242 res = CAAddSendThreadQueue(currData->sentData,
243 (const CABlockDataID_t *) &currData->blockDataId);
244 if (CA_STATUS_OK != res)
246 OIC_LOG(ERROR, TAG, "add has failed");
254 CAResult_t CAAddSendThreadQueue(const CAData_t *sendData, const CABlockDataID_t *blockID)
256 VERIFY_NON_NULL(sendData, TAG, "sendData");
257 VERIFY_NON_NULL(blockID, TAG, "blockID");
259 CAData_t *cloneData = CACloneCAData(sendData);
262 OIC_LOG(ERROR, TAG, "clone has failed");
263 CARemoveBlockDataFromList(blockID);
264 return CA_STATUS_FAILED;
267 if (g_context.sendThreadFunc)
269 ca_mutex_lock(g_context.blockDataSenderMutex);
270 g_context.sendThreadFunc(cloneData);
271 ca_mutex_unlock(g_context.blockDataSenderMutex);
275 CADestroyDataSet(cloneData);
280 CAResult_t CACheckBlockOptionType(CABlockData_t *currData)
282 VERIFY_NON_NULL(currData, TAG, "currData");
283 VERIFY_NON_NULL(currData->sentData, TAG, "currData->sentData");
285 bool isBlock = CACheckPayloadLength(currData->sentData);
288 return CA_NOT_SUPPORTED;
291 // set block option (COAP_OPTION_BLOCK2 or COAP_OPTION_BLOCK1)
292 if (currData->sentData->requestInfo) // request message
294 currData->type = COAP_OPTION_BLOCK1;
296 else // response message
298 currData->type = COAP_OPTION_BLOCK2;
304 // TODO make pdu const after libcoap is updated to support that.
305 CAResult_t CAReceiveBlockWiseData(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
306 const CAData_t *receivedData, size_t dataLen)
308 OIC_LOG(DEBUG, TAG, "CAReceiveBlockWiseData");
309 VERIFY_NON_NULL(pdu, TAG, "pdu");
310 VERIFY_NON_NULL(pdu->transport_hdr, TAG, "pdu->transport_hdr");
311 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
312 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
314 // check if received message type is CA_MSG_RESET
315 if (CA_EMPTY == pdu->transport_hdr->udp.code)
317 OIC_LOG(DEBUG, TAG, "code is CA_EMPTY..");
319 if (!receivedData->responseInfo->info.token)
321 // get token from block-wise transfer list when CA_EMPTY(RST/ACK) is received
322 CAResult_t res = CAGetTokenFromBlockDataList(pdu, endpoint,
323 receivedData->responseInfo);
324 if (CA_STATUS_OK != res)
326 OIC_LOG(ERROR, TAG, "fail to get token");
331 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
332 receivedData->responseInfo->info.token,
333 receivedData->responseInfo->info.tokenLength,
335 if (NULL == blockDataID || blockDataID->idLength < 1)
337 // if retransmission is timeout, callback msg will be send without token.
338 if (NULL == blockDataID && !receivedData->responseInfo->info.token)
340 OIC_LOG(INFO, TAG, "retransmission was stopped");
341 return CA_REQUEST_TIMEOUT;
344 OIC_LOG(ERROR, TAG, "blockId is null");
345 CADestroyBlockID(blockDataID);
346 return CA_STATUS_FAILED;
349 // If we didn't send the last block message and received EMPTY message,
350 // we have to remain the block data from list.
351 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
352 if (data && (data->block1.m || data->block2.m))
354 OIC_LOG(DEBUG, TAG, "this is normal EMPTY message for blockwise-transfer.");
355 CADestroyBlockID(blockDataID);
359 CARemoveBlockDataFromList(blockDataID);
360 CADestroyBlockID(blockDataID);
361 return CA_NOT_SUPPORTED;
364 // check if block option is set and get block data
365 coap_block_t block = { 0, 0, 0 };
368 int isBlock1 = coap_get_block(pdu, COAP_OPTION_BLOCK1, &block);
371 CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, block, dataLen);
372 if (CA_STATUS_OK != res)
374 OIC_LOG(ERROR, TAG, "setting has failed");
380 int isBlock2 = coap_get_block(pdu, COAP_OPTION_BLOCK2, &block);
383 CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, block, dataLen);
384 if (CA_STATUS_OK != res)
386 OIC_LOG(ERROR, TAG, "setting has failed");
391 // if there is no block option in pdu, check if there is error code.
392 if (!isBlock1 && !isBlock2)
394 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
395 (CAToken_t)pdu->transport_hdr->udp.token,
396 pdu->transport_hdr->udp.token_length,
398 if (NULL == blockDataID || blockDataID->idLength < 1)
400 OIC_LOG(ERROR, TAG, "blockId is null");
401 CADestroyBlockID(blockDataID);
402 return CA_STATUS_FAILED;
405 uint32_t code = CA_RESPONSE_CODE(pdu->transport_hdr->udp.code);
406 if (CA_REQUEST_ENTITY_INCOMPLETE == code)
408 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
411 OIC_LOG(ERROR, TAG, "getting has failed");
412 CADestroyBlockID(blockDataID);
413 return CA_STATUS_FAILED;
416 coap_block_t *block = CAGetBlockOption(blockDataID, data->type);
419 OIC_LOG(ERROR, TAG, "block is null");
420 CADestroyBlockID(blockDataID);
421 return CA_STATUS_FAILED;
424 CAResult_t res = CA_STATUS_OK;
425 if (COAP_OPTION_BLOCK2 == data->type)
427 res = CASetNextBlockOption2(pdu, endpoint, receivedData, *block, dataLen);
428 if (CA_STATUS_OK != res)
430 OIC_LOG(ERROR, TAG, "setting has failed");
431 CADestroyBlockID(blockDataID);
432 return CA_STATUS_FAILED;
435 else if (COAP_OPTION_BLOCK1 == data->type)
437 res = CASetNextBlockOption1(pdu, endpoint, receivedData, *block, dataLen);
438 if (CA_STATUS_OK != res)
440 OIC_LOG(ERROR, TAG, "setting has failed");
441 CADestroyBlockID(blockDataID);
445 CADestroyBlockID(blockDataID);
450 OIC_LOG(DEBUG, TAG, "it's normal pdu");
452 // if received data is response message
453 // and sent data remain in block data list, remove block data
454 if (receivedData->responseInfo)
456 CARemoveBlockDataFromList(blockDataID);
458 CADestroyBlockID(blockDataID);
459 return CA_NOT_SUPPORTED;
465 CAResult_t CAProcessNextStep(const coap_pdu_t *pdu, const CAData_t *receivedData,
466 uint8_t blockWiseStatus, const CABlockDataID_t *blockID)
468 VERIFY_NON_NULL(pdu, TAG, "pdu");
469 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
470 VERIFY_NON_NULL(blockID, TAG, "blockID");
472 CAResult_t res = CA_STATUS_OK;
473 CAData_t *data = NULL;
475 // process blockWiseStatus
476 switch (blockWiseStatus)
478 case CA_OPTION2_FIRST_BLOCK:
479 res = CAAddSendThreadQueue(receivedData, blockID);
480 if (CA_STATUS_OK != res)
482 OIC_LOG(ERROR, TAG, "add has failed");
487 case CA_OPTION2_REQUEST:
488 // add data to send thread
489 data = CAGetDataSetFromBlockDataList(blockID);
492 OIC_LOG(ERROR, TAG, "it's unavailable");
493 return CA_STATUS_FAILED;
496 if (data->responseInfo)
498 data->responseInfo->info.type =
499 (pdu->transport_hdr->udp.type == CA_MSG_CONFIRM) ?
500 CA_MSG_ACKNOWLEDGE : CA_MSG_NONCONFIRM;
501 data->responseInfo->info.messageId = pdu->transport_hdr->udp.id;
503 res = CAAddSendThreadQueue(data, blockID);
504 if (CA_STATUS_OK != res)
506 OIC_LOG(ERROR, TAG, "add has failed");
512 case CA_OPTION1_RESPONSE:
513 case CA_OPTION2_RESPONSE:
514 case CA_OPTION1_REQUEST_BLOCK:
515 res = CASendBlockMessage(pdu, pdu->transport_hdr->udp.type, blockID);
516 if (CA_STATUS_OK != res)
518 OIC_LOG(ERROR, TAG, "send has failed");
523 case CA_OPTION2_LAST_BLOCK:
524 // process last block and send upper layer
525 res = CAReceiveLastBlock(blockID, receivedData);
526 if (CA_STATUS_OK != res)
528 OIC_LOG(ERROR, TAG, "receive has failed");
532 // remove data from list
533 res = CARemoveBlockDataFromList(blockID);
534 if (CA_STATUS_OK != res)
536 OIC_LOG(ERROR, TAG, "remove has failed");
541 case CA_OPTION1_REQUEST_LAST_BLOCK:
542 // process last block and send upper layer
543 res = CAReceiveLastBlock(blockID, receivedData);
544 if (CA_STATUS_OK != res)
546 OIC_LOG(ERROR, TAG, "receive has failed");
551 case CA_BLOCK_INCOMPLETE:
552 // add data to send thread
553 res = CASendErrorMessage(pdu, blockWiseStatus, CA_REQUEST_ENTITY_INCOMPLETE, blockID);
554 if (CA_STATUS_OK != res)
556 OIC_LOG(ERROR, TAG, "send has failed");
561 case CA_BLOCK_TOO_LARGE:
562 if (receivedData->requestInfo)
564 res = CASendErrorMessage(pdu, blockWiseStatus, CA_REQUEST_ENTITY_TOO_LARGE,
566 if (CA_STATUS_OK != res)
568 OIC_LOG(ERROR, TAG, "send has failed");
572 else if (receivedData->responseInfo)
574 res = CASendBlockMessage(pdu, pdu->transport_hdr->udp.type, blockID);
575 if (CA_STATUS_OK != res)
577 OIC_LOG(ERROR, TAG, "send has failed");
583 OIC_LOG_V(ERROR, TAG, "no logic [%d]", blockWiseStatus);
588 static CAResult_t CASendDirectEmptyResponse(const CAEndpoint_t *endpoint, uint16_t messageId)
590 OIC_LOG(DEBUG, TAG, "Entering CASendDirectEmptyResponse");
591 CAResponseInfo_t respInfo = {
594 respInfo.info.type = CA_MSG_ACKNOWLEDGE;
595 respInfo.info.messageId = messageId;
596 respInfo.info.dataType = CA_RESPONSE_DATA;
598 CAResult_t caResult = CASendResponse(endpoint, &respInfo);
600 OIC_LOG(DEBUG, TAG, "Exit CASendDirectEmptyResponse");
604 CAResult_t CASendBlockMessage(const coap_pdu_t *pdu, CAMessageType_t msgType,
605 const CABlockDataID_t *blockID)
607 VERIFY_NON_NULL(pdu, TAG, "pdu");
608 VERIFY_NON_NULL(pdu->transport_hdr, TAG, "pdu->transport_hdr");
609 VERIFY_NON_NULL(blockID, TAG, "blockID");
611 CAData_t *data = CAGetDataSetFromBlockDataList(blockID);
614 OIC_LOG(ERROR, TAG, "CAData is unavailable");
615 return CA_STATUS_FAILED;
618 CAMessageType_t sentMsgType = CA_MSG_NONCONFIRM;
622 sentMsgType = CA_MSG_ACKNOWLEDGE;
624 case CA_MSG_ACKNOWLEDGE:
625 sentMsgType = CA_MSG_CONFIRM;
628 sentMsgType = CA_MSG_NONCONFIRM;
632 uint32_t code = pdu->transport_hdr->udp.code;
633 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
635 if (data->responseInfo)
637 OIC_LOG(DEBUG, TAG, "set response info");
638 data->responseInfo->info.messageId = pdu->transport_hdr->udp.id;
639 data->responseInfo->info.type = sentMsgType;
640 data->responseInfo->result = CA_CONTINUE;
645 // if the received response message type is CON, send empty message.
646 // and then, send next block request message with new messagId.
647 if (msgType == CA_MSG_CONFIRM)
649 CASendDirectEmptyResponse(data->remoteEndpoint,
650 data->requestInfo->info.messageId);
651 sentMsgType = CA_MSG_CONFIRM;
654 if (data->requestInfo)
656 OIC_LOG(DEBUG, TAG, "need new msgID");
657 data->requestInfo->info.messageId = 0;
658 data->requestInfo->info.type = sentMsgType;
662 // add data to send thread
663 CAResult_t res = CAAddSendThreadQueue(data, blockID);
664 if (CA_STATUS_OK != res)
666 OIC_LOG(ERROR, TAG, "add has failed");
672 CAResult_t CASendErrorMessage(const coap_pdu_t *pdu, uint8_t status,
673 CAResponseResult_t responseResult, const CABlockDataID_t *blockID)
675 VERIFY_NON_NULL(pdu, TAG, "pdu");
676 VERIFY_NON_NULL(pdu->transport_hdr, TAG, "pdu->transport_hdr");
677 VERIFY_NON_NULL(blockID, TAG, "blockID");
679 // create error responseInfo
680 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockID);
683 OIC_LOG(ERROR, TAG, "data is unavailable");
684 return CA_STATUS_FAILED;
687 CAMessageType_t sentMsgType = CA_MSG_NONCONFIRM;
688 switch (pdu->transport_hdr->udp.type)
691 sentMsgType = CA_MSG_ACKNOWLEDGE;
693 case CA_MSG_ACKNOWLEDGE:
694 sentMsgType = CA_MSG_CONFIRM;
697 sentMsgType = CA_MSG_NONCONFIRM;
700 CAData_t *cloneData = NULL;
703 cloneData = CACloneCAData(data->sentData);
706 OIC_LOG(ERROR, TAG, "clone has failed");
707 return CA_MEMORY_ALLOC_FAILED;
710 if (cloneData->responseInfo)
712 cloneData->responseInfo->info.messageId = pdu->transport_hdr->udp.id;
713 cloneData->responseInfo->info.type = sentMsgType;
714 cloneData->responseInfo->result = responseResult;
718 CAInfo_t responseData = { .tokenLength = pdu->transport_hdr->udp.token_length };
719 responseData.token = (CAToken_t) OICMalloc(responseData.tokenLength);
720 if (!responseData.token)
722 OIC_LOG(ERROR, TAG, "out of memory");
723 return CA_MEMORY_ALLOC_FAILED;
725 memcpy(responseData.token, pdu->transport_hdr->udp.token, responseData.tokenLength);
727 cloneData->responseInfo = (CAResponseInfo_t*) OICCalloc(1, sizeof(CAResponseInfo_t));
728 if (!cloneData->responseInfo)
730 OIC_LOG(ERROR, TAG, "out of memory");
731 OICFree(responseData.token);
732 return CA_MEMORY_ALLOC_FAILED;
735 cloneData->responseInfo->info = responseData;
736 cloneData->responseInfo->info.type = sentMsgType;
737 cloneData->responseInfo->result = responseResult;
739 OIC_LOG(DEBUG, TAG, "set response message to send error code");
743 OIC_LOG(ERROR, TAG, "data has no sent-data");
744 return CA_MEMORY_ALLOC_FAILED;
747 // if there is a requestInfo, remove it to send response message
748 if (cloneData->requestInfo)
750 CADestroyRequestInfoInternal(cloneData->requestInfo);
751 cloneData->requestInfo = NULL;
754 // add data to send thread
755 if (g_context.sendThreadFunc)
757 ca_mutex_lock(g_context.blockDataSenderMutex);
758 g_context.sendThreadFunc(cloneData);
759 ca_mutex_unlock(g_context.blockDataSenderMutex);
763 CADestroyDataSet(cloneData);
766 // if error code is 4.08, remove the stored payload and initialize block number
767 if (CA_BLOCK_INCOMPLETE == status)
769 OICFree(data->payload);
770 data->payload = NULL;
771 data->payloadLength = 0;
772 data->receivedPayloadLen = 0;
773 data->block1.num = 0;
774 data->block2.num = 0;
780 CAResult_t CAReceiveLastBlock(const CABlockDataID_t *blockID, const CAData_t *receivedData)
782 VERIFY_NON_NULL(blockID, TAG, "blockID");
783 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
785 // total block data have to notify to Application
786 CAData_t *cloneData = CACloneCAData(receivedData);
789 OIC_LOG(ERROR, TAG, "clone has failed");
790 return CA_MEMORY_ALLOC_FAILED;
794 size_t fullPayloadLen = 0;
795 CAPayload_t fullPayload = CAGetPayloadFromBlockDataList(blockID, &fullPayloadLen);
798 CAResult_t res = CAUpdatePayloadToCAData(cloneData, fullPayload, fullPayloadLen);
799 if (CA_STATUS_OK != res)
801 OIC_LOG(ERROR, TAG, "update has failed");
802 CADestroyDataSet(cloneData);
807 if (g_context.receivedThreadFunc)
809 g_context.receivedThreadFunc(cloneData);
813 CADestroyDataSet(cloneData);
819 static CABlockData_t* CACheckTheExistOfBlockData(const CABlockDataID_t* blockDataID,
820 coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
823 // Get BlockData data. If does not exist, create a new data
824 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
827 OIC_LOG(DEBUG, TAG, "block data doesn't exist in list. create new one");
829 CAData_t *cadata = CACreateNewDataSet(pdu, endpoint);
832 OIC_LOG(ERROR, TAG, "data is null");
836 data = CACreateNewBlockData(cadata);
839 OIC_LOG(ERROR, TAG, "failed to create a new block data");
840 CADestroyDataSet(cadata);
843 CADestroyDataSet(cadata);
846 // update BLOCK OPTION type
847 CAResult_t res = CAUpdateBlockOptionType(blockDataID, blockType);
848 if (CA_STATUS_OK != res)
850 OIC_LOG(ERROR, TAG, "update has failed");
857 // TODO make pdu const after libcoap is updated to support that.
858 CAResult_t CASetNextBlockOption1(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
859 const CAData_t *receivedData, coap_block_t block,
862 OIC_LOG(INFO, TAG, "CASetNextBlockOption1");
863 VERIFY_NON_NULL(pdu, TAG, "pdu");
864 VERIFY_NON_NULL(pdu->transport_hdr, TAG, "pdu->transport_hdr");
865 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
866 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
868 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
870 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
871 (CAToken_t)pdu->transport_hdr->udp.token,
872 pdu->transport_hdr->udp.token_length,
874 if (NULL == blockDataID || blockDataID->idLength < 1)
876 OIC_LOG(ERROR, TAG, "blockId is null");
877 CADestroyBlockID(blockDataID);
878 return CA_STATUS_FAILED;
881 CAResult_t res = CA_STATUS_OK;
882 CABlockData_t *data = CACheckTheExistOfBlockData(blockDataID, pdu, endpoint,
886 OIC_LOG(ERROR, TAG, "Failed to create or get block data");
887 res = CA_STATUS_FAILED;
891 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
892 uint32_t code = pdu->transport_hdr->udp.code;
893 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
895 // received message type is request
896 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
898 // check the size option
899 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu, COAP_OPTION_SIZE1,
900 &(data->payloadLength));
902 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
903 COAP_OPTION_BLOCK1, dataLen);
905 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
907 // store the received payload and merge
908 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
909 isSizeOption, COAP_OPTION_BLOCK1);
910 if (CA_STATUS_OK != res)
912 OIC_LOG(ERROR, TAG, "update has failed");
916 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1,
918 if (CA_STATUS_OK != res)
920 OIC_LOG(ERROR, TAG, "update has failed");
925 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
926 if (CA_STATUS_OK != res)
928 OIC_LOG(ERROR, TAG, "update has failed");
933 // check the blcok-wise transfer status for next step
934 if (CA_BLOCK_UNKNOWN == blockWiseStatus || CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
936 OIC_LOG_V(DEBUG, TAG, "M bit is %d", block.m);
938 blockWiseStatus = (0 == block.m) ?
939 CA_OPTION1_REQUEST_LAST_BLOCK : CA_OPTION1_REQUEST_BLOCK;
944 // received message type is response
945 uint32_t code = CA_RESPONSE_CODE(pdu->transport_hdr->udp.code);
946 if (0 == block.m && (CA_REQUEST_ENTITY_INCOMPLETE != code
947 && CA_REQUEST_ENTITY_TOO_LARGE != code))
949 int isBlock2 = coap_get_block(pdu, COAP_OPTION_BLOCK2, &block);
952 OIC_LOG(INFO, TAG, "received data is combining block1 and block2");
953 // initialize block number for response message
954 data->block1.num = 0;
955 CADestroyBlockID(blockDataID);
960 OIC_LOG(INFO, TAG, "received data is not bulk data");
961 CAReceiveLastBlock(blockDataID, receivedData);
967 blockWiseStatus = CA_OPTION1_RESPONSE;
968 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
969 if (CA_STATUS_OK != res)
971 OIC_LOG(ERROR, TAG, "update has failed");
972 CADestroyBlockID(blockDataID);
976 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
977 if (CA_STATUS_OK != res)
979 OIC_LOG(ERROR, TAG, "update has failed");
984 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
985 if (CA_STATUS_OK != res)
987 OIC_LOG(ERROR, TAG, "setting has failed");
991 CADestroyBlockID(blockDataID);
995 CARemoveBlockDataFromList(blockDataID);
996 CADestroyBlockID(blockDataID);
1000 // TODO make pdu const after libcoap is updated to support that.
1001 CAResult_t CASetNextBlockOption2(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
1002 const CAData_t *receivedData, coap_block_t block,
1005 OIC_LOG(DEBUG, TAG, "CASetNextBlockOption2");
1006 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
1008 VERIFY_NON_NULL(pdu, TAG, "pdu");
1009 VERIFY_NON_NULL(pdu->transport_hdr, TAG, "pdu->transport_hdr");
1010 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
1011 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
1013 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
1014 (CAToken_t)pdu->transport_hdr->udp.token,
1015 pdu->transport_hdr->udp.token_length,
1017 if (NULL == blockDataID || blockDataID->idLength < 1)
1019 OIC_LOG(ERROR, TAG, "blockId is null");
1020 CADestroyBlockID(blockDataID);
1021 return CA_STATUS_FAILED;
1024 CAResult_t res = CA_STATUS_OK;
1025 CABlockData_t *data = CACheckTheExistOfBlockData(blockDataID, pdu, endpoint,
1026 COAP_OPTION_BLOCK2);
1029 OIC_LOG(ERROR, TAG, "Failed to create or get block data");
1030 res = CA_STATUS_FAILED;
1034 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
1035 if (0 == block.num && CA_GET == pdu->transport_hdr->udp.code && 0 == block.m)
1037 OIC_LOG(INFO, TAG, "first block number");
1039 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1040 if (CA_STATUS_OK != res)
1042 OIC_LOG(ERROR, TAG, "update has failed");
1046 // first block data have to notify to Application
1047 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1048 if (CA_STATUS_OK != res)
1050 OIC_LOG(ERROR, TAG, "update has failed");
1053 blockWiseStatus = CA_OPTION2_FIRST_BLOCK;
1057 uint32_t code = pdu->transport_hdr->udp.code;
1058 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
1060 // received message type is request
1061 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
1063 blockWiseStatus = CA_OPTION2_REQUEST;
1065 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1066 if (CA_STATUS_OK != res)
1068 OIC_LOG(ERROR, TAG, "update has failed");
1072 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1073 if (CA_STATUS_OK != res)
1075 OIC_LOG(ERROR, TAG, "update has failed");
1081 // received message type is response
1082 OIC_LOG(DEBUG, TAG, "received response message with block option2");
1084 // check the size option
1085 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
1087 &(data->payloadLength));
1089 uint32_t code = CA_RESPONSE_CODE(pdu->transport_hdr->udp.code);
1090 if (CA_REQUEST_ENTITY_INCOMPLETE != code && CA_REQUEST_ENTITY_TOO_LARGE != code)
1092 // check if received payload is exact
1093 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
1094 COAP_OPTION_BLOCK2, dataLen);
1097 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
1099 // store the received payload and merge
1100 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
1101 isSizeOption, COAP_OPTION_BLOCK2);
1102 if (CA_STATUS_OK != res)
1104 OIC_LOG(ERROR, TAG, "update has failed");
1109 if (0 == block.m && CA_BLOCK_UNKNOWN == blockWiseStatus) // Last block is received
1111 OIC_LOG(DEBUG, TAG, "M bit is 0");
1112 blockWiseStatus = CA_OPTION2_LAST_BLOCK;
1116 if (CA_BLOCK_UNKNOWN == blockWiseStatus ||
1117 CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
1119 OIC_LOG(DEBUG, TAG, "M bit is 1");
1120 blockWiseStatus = CA_OPTION2_RESPONSE;
1123 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2,
1125 if (CA_STATUS_OK != res)
1127 OIC_LOG(ERROR, TAG, "update has failed");
1131 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1132 if (CA_STATUS_OK != res)
1134 OIC_LOG(ERROR, TAG, "update has failed");
1141 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
1142 if (CA_STATUS_OK != res)
1144 OIC_LOG(ERROR, TAG, "setting has failed");
1148 CADestroyBlockID(blockDataID);
1149 return CA_STATUS_OK;
1152 CARemoveBlockDataFromList(blockDataID);
1153 CADestroyBlockID(blockDataID);
1157 CAResult_t CAUpdateBlockOptionItems(CABlockData_t *currData, const coap_pdu_t *pdu,
1158 coap_block_t *block, uint16_t blockType,
1161 VERIFY_NON_NULL(currData, TAG, "currData");
1162 VERIFY_NON_NULL(pdu, TAG, "pdu");
1163 VERIFY_NON_NULL(block, TAG, "block");
1165 // update block data
1166 CAResult_t res = CA_STATUS_OK;
1167 uint32_t code = CA_RESPONSE_CODE(pdu->transport_hdr->udp.code);
1169 if (CA_REQUEST_ENTITY_INCOMPLETE == code || CA_REQUEST_ENTITY_TOO_LARGE == code)
1171 // response error code of the received block message
1172 res = CAHandleBlockErrorResponse(block, blockType, code);
1173 if (CA_STATUS_OK != res)
1175 OIC_LOG(ERROR, TAG, "error handle has failed");
1181 // update block option items
1184 case CA_OPTION1_RESPONSE:
1185 if (currData->block1.num > block->num)
1187 OIC_LOG(ERROR, TAG, "received incorrect block num");
1188 return CA_STATUS_FAILED;
1192 case CA_OPTION2_REQUEST:
1195 case CA_OPTION2_RESPONSE:
1196 if (currData->block2.num > block->num)
1198 OIC_LOG(ERROR, TAG, "received incorrect block num");
1199 return CA_STATUS_FAILED;
1204 case CA_BLOCK_TOO_LARGE:
1205 // if state of received block message is CA_BLOCK_TOO_LARGE or CA_BLOCK_INCOMPLETE
1206 // we set the response error code appropriately and send
1207 if (COAP_OPTION_BLOCK2 == blockType)
1211 block->szx = currData->block2.szx;
1215 block->szx = currData->block1.szx;
1219 OIC_LOG_V(ERROR, TAG, "no logic [%d]", status);
1222 if (CA_BLOCK_INCOMPLETE != status && CA_BLOCK_TOO_LARGE != status)
1224 // negotiate block size
1225 res = CANegotiateBlockSize(currData, block, pdu, blockType);
1226 if (CA_STATUS_OK != res)
1228 OIC_LOG(ERROR, TAG, "negotiation has failed");
1236 CAResult_t CASetMoreBitFromBlock(size_t payloadLen, coap_block_t *block)
1238 VERIFY_NON_NULL(block, TAG, "block");
1240 if ((size_t) ((block->num + 1) << (block->szx + BLOCK_NUMBER_IDX)) < payloadLen)
1242 OIC_LOG(DEBUG, TAG, "Set the M-bit(1)");
1247 OIC_LOG(DEBUG, TAG, "Set the M-bit(0)");
1251 return CA_STATUS_OK;
1254 CAResult_t CANegotiateBlockSize(CABlockData_t *currData, coap_block_t *block,
1255 const coap_pdu_t *pdu, uint16_t blockType)
1257 OIC_LOG(DEBUG, TAG, "IN-NegotiateBlockSize");
1259 VERIFY_NON_NULL(currData, TAG, "currData");
1260 VERIFY_NON_NULL(block, TAG, "block");
1261 VERIFY_NON_NULL(pdu, TAG, "pdu");
1262 VERIFY_NON_NULL(pdu->transport_hdr, TAG, "pdu->transport_hdr");
1264 bool isReqMsg = false;
1265 uint32_t code = pdu->transport_hdr->udp.code;
1266 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
1271 // #1. check the block option type
1272 if (COAP_OPTION_BLOCK2 == blockType)
1274 // #2. check the message type
1277 if (block->szx > currData->block2.szx)
1279 OIC_LOG(DEBUG, TAG, "sze is big");
1281 // #3. calculate new block number from block size
1282 unsigned int blockNum = BLOCK_SIZE(block->szx) /
1283 BLOCK_SIZE(currData->block2.szx) - 1;
1284 OIC_LOG(DEBUG, TAG, "num is set as Negotiation");
1285 block->num += blockNum;
1286 block->szx = currData->block2.szx;
1287 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1292 if (block->szx > currData->block2.szx)
1294 OIC_LOG(DEBUG, TAG, "sze is big");
1295 block->szx = currData->block2.szx;
1299 else if (COAP_OPTION_BLOCK1 == blockType)
1303 if (block->szx < currData->block1.szx)
1305 OIC_LOG(DEBUG, TAG, "sze is small");
1307 unsigned int blockNum = BLOCK_SIZE(currData->block1.szx) /
1308 BLOCK_SIZE(block->szx) - 1;
1309 block->num += blockNum;
1310 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1315 if (block->szx > currData->block1.szx)
1317 OIC_LOG(DEBUG, TAG, "sze is big");
1318 block->szx = currData->block1.szx;
1324 OIC_LOG(DEBUG, TAG, "Invalid block option");
1325 return CA_STATUS_FAILED;
1328 OIC_LOG(DEBUG, TAG, "OUT-NegotiateBlockSize");
1330 return CA_STATUS_OK;
1333 CAResult_t CAUpdateBlockData(CABlockData_t *currData, coap_block_t block,
1336 VERIFY_NON_NULL(currData, TAG, "currData");
1338 // check if block size is bigger than CABlockSize_t
1339 if (block.szx > CA_BLOCK_SIZE_1024_BYTE)
1341 OIC_LOG(DEBUG, TAG, "invalid block szx");
1342 return CA_STATUS_FAILED;
1345 // update block option
1346 if (COAP_OPTION_BLOCK2 == blockType)
1348 currData->block2 = block;
1352 currData->block1 = block;
1355 OIC_LOG(DEBUG, TAG, "data has updated");
1356 return CA_STATUS_OK;
1359 CAResult_t CAUpdateMessageId(coap_pdu_t *pdu, const CABlockDataID_t *blockID)
1361 VERIFY_NON_NULL(pdu, TAG, "pdu");
1362 VERIFY_NON_NULL(pdu->transport_hdr, TAG, "pdu->transport_hdr");
1363 VERIFY_NON_NULL(blockID, TAG, "blockID");
1365 // if message is sent, update messageId in block-wise transfer list
1366 CAData_t * cadata = CAGetDataSetFromBlockDataList(blockID);
1369 OIC_LOG(ERROR, TAG, "CAData is unavailable");
1370 return CA_STATUS_FAILED;
1373 if (cadata->requestInfo)
1375 cadata->requestInfo->info.messageId = pdu->transport_hdr->udp.id;
1378 return CA_STATUS_OK;
1381 CAResult_t CAAddBlockOption(coap_pdu_t **pdu, const CAInfo_t *info,
1382 const CAEndpoint_t *endpoint, coap_list_t **options)
1384 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption");
1385 VERIFY_NON_NULL(pdu, TAG, "pdu");
1386 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1387 VERIFY_NON_NULL((*pdu)->transport_hdr, TAG, "(*pdu)->transport_hdr");
1388 VERIFY_NON_NULL(info, TAG, "info");
1389 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
1390 VERIFY_NON_NULL(options, TAG, "options");
1392 CAResult_t res = CA_STATUS_OK;
1393 size_t dataLength = 0;
1396 dataLength = info->payloadSize;
1397 OIC_LOG_V(DEBUG, TAG, "dataLength - %zu", dataLength);
1400 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
1401 (CAToken_t)(*pdu)->transport_hdr->udp.token,
1402 (*pdu)->transport_hdr->udp.token_length,
1404 if (NULL == blockDataID || blockDataID->idLength < 1)
1406 OIC_LOG(ERROR, TAG, "blockId is null");
1407 res = CA_STATUS_FAILED;
1411 uint32_t repCode = CA_RESPONSE_CODE((*pdu)->transport_hdr->udp.code);
1412 if (CA_REQUEST_ENTITY_INCOMPLETE == repCode)
1414 OIC_LOG(INFO, TAG, "don't use option");
1419 uint8_t blockType = CAGetBlockOptionType(blockDataID);
1420 if (COAP_OPTION_BLOCK2 == blockType)
1422 res = CAAddBlockOption2(pdu, info, dataLength, blockDataID, options);
1423 if (CA_STATUS_OK != res)
1425 OIC_LOG(ERROR, TAG, "add has failed");
1429 else if (COAP_OPTION_BLOCK1 == blockType)
1431 res = CAAddBlockOption1(pdu, info, dataLength, blockDataID, options);
1432 if (CA_STATUS_OK != res)
1434 OIC_LOG(ERROR, TAG, "add has failed");
1440 OIC_LOG(DEBUG, TAG, "no BLOCK option");
1442 // in case it is not large data, add option list to pdu.
1445 for (coap_list_t *opt = *options; opt; opt = opt->next)
1447 OIC_LOG_V(DEBUG, TAG, "[%s] opt will be added.",
1448 COAP_OPTION_DATA(*(coap_option *) opt->data));
1450 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length", (*pdu)->length);
1451 coap_add_option(*pdu, COAP_OPTION_KEY(*(coap_option *) opt->data),
1452 COAP_OPTION_LENGTH(*(coap_option *) opt->data),
1453 COAP_OPTION_DATA(*(coap_option *) opt->data));
1457 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length after option", (*pdu)->length);
1459 // if response data is so large. it have to send as block transfer
1460 if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info->payload))
1462 OIC_LOG(INFO, TAG, "it have to use block");
1463 res = CA_STATUS_FAILED;
1468 OIC_LOG(INFO, TAG, "not Blockwise Transfer");
1472 uint32_t code = (*pdu)->transport_hdr->udp.code;
1473 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
1475 // if received message type is RESET from remote device,
1476 // we have to use the updated message id of request message to find token.
1477 CABlockData_t *blockData = CAGetBlockDataFromBlockDataList(blockDataID);
1480 res = CAUpdateMessageId(*pdu, blockDataID);
1481 if (CA_STATUS_OK != res)
1483 OIC_LOG(ERROR, TAG, "fail to update message id");
1490 CADestroyBlockID(blockDataID);
1491 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption");
1495 CAResult_t CAAddBlockOption2(coap_pdu_t **pdu, const CAInfo_t *info, size_t dataLength,
1496 const CABlockDataID_t *blockID, coap_list_t **options)
1498 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption2");
1499 VERIFY_NON_NULL(pdu, TAG, "pdu");
1500 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1501 VERIFY_NON_NULL((*pdu)->transport_hdr, TAG, "(*pdu)->transport_hdr");
1502 VERIFY_NON_NULL(info, TAG, "info");
1503 VERIFY_NON_NULL(blockID, TAG, "blockID");
1504 VERIFY_NON_NULL(options, TAG, "options");
1506 // get set block data from CABlock list-set.
1507 coap_block_t *block1 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK1);
1508 coap_block_t *block2 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK2);
1509 if (!block1 || !block2)
1511 OIC_LOG(ERROR, TAG, "getting has failed");
1512 return CA_STATUS_FAILED;
1515 CAResult_t res = CA_STATUS_OK;
1516 uint32_t code = (*pdu)->transport_hdr->udp.code;
1517 if (CA_GET != code && CA_POST != code && CA_PUT != code && CA_DELETE != code)
1519 CASetMoreBitFromBlock(dataLength, block2);
1521 // if block number is 0, add size2 option
1522 if (0 == block2->num)
1524 res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE2, dataLength, options);
1525 if (CA_STATUS_OK != res)
1527 OIC_LOG(ERROR, TAG, "add has failed");
1532 res = CAAddBlockOptionImpl(block2, COAP_OPTION_BLOCK2, options);
1533 if (CA_STATUS_OK != res)
1535 OIC_LOG(ERROR, TAG, "add has failed");
1541 OIC_LOG(DEBUG, TAG, "combining block1 and block2");
1542 res = CAAddBlockOptionImpl(block1, COAP_OPTION_BLOCK1, options);
1543 if (CA_STATUS_OK != res)
1545 OIC_LOG(ERROR, TAG, "add has failed");
1548 // initialize block number
1552 res = CAAddOptionToPDU(*pdu, options);
1553 if (CA_STATUS_OK != res)
1555 OIC_LOG(ERROR, TAG, "add has failed");
1559 if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info->payload,
1560 block2->num, block2->szx))
1562 OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
1563 return CA_STATUS_FAILED;
1566 CALogBlockInfo(block2);
1570 // if sent message is last response block message, remove data
1571 CARemoveBlockDataFromList(blockID);
1576 OIC_LOG(DEBUG, TAG, "option2, not response msg");
1577 res = CAAddBlockOptionImpl(block2, COAP_OPTION_BLOCK2, options);
1578 if (CA_STATUS_OK != res)
1580 OIC_LOG(ERROR, TAG, "add has failed");
1584 res = CAAddOptionToPDU(*pdu, options);
1585 if (CA_STATUS_OK != res)
1587 OIC_LOG(ERROR, TAG, "add has failed");
1590 CALogBlockInfo(block2);
1593 return CA_STATUS_OK;
1596 CARemoveBlockDataFromList(blockID);
1600 CAResult_t CAAddBlockOption1(coap_pdu_t **pdu, const CAInfo_t *info, size_t dataLength,
1601 const CABlockDataID_t *blockID, coap_list_t **options)
1603 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption1");
1604 VERIFY_NON_NULL(pdu, TAG, "pdu");
1605 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1606 VERIFY_NON_NULL((*pdu)->transport_hdr, TAG, "(*pdu)->transport_hdr");
1607 VERIFY_NON_NULL(info, TAG, "info");
1608 VERIFY_NON_NULL(blockID, TAG, "blockID");
1609 VERIFY_NON_NULL(options, TAG, "options");
1611 // get set block data from CABlock list-set.
1612 coap_block_t *block1 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK1);
1615 OIC_LOG(ERROR, TAG, "getting has failed");
1616 return CA_STATUS_FAILED;
1619 CAResult_t res = CA_STATUS_OK;
1620 uint32_t code = (*pdu)->transport_hdr->udp.code;
1621 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
1623 CASetMoreBitFromBlock(dataLength, block1);
1625 // if block number is 0, add size1 option
1626 if (0 == block1->num)
1628 res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE1, dataLength, options);
1629 if (CA_STATUS_OK != res)
1631 OIC_LOG(ERROR, TAG, "add has failed");
1636 // add block option to option list.
1637 res = CAAddBlockOptionImpl(block1, COAP_OPTION_BLOCK1, options);
1638 if (CA_STATUS_OK != res)
1640 OIC_LOG(ERROR, TAG, "add has failed");
1644 // add option list to pdu.
1645 res = CAAddOptionToPDU(*pdu, options);
1646 if (CA_STATUS_OK != res)
1648 OIC_LOG(ERROR, TAG, "add has failed");
1652 // add the payload data as the block size.
1653 if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info->payload, block1->num,
1656 OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
1657 return CA_STATUS_FAILED;
1662 OIC_LOG(DEBUG, TAG, "received response message with block option1");
1664 // add block option to option list.
1665 res = CAAddBlockOptionImpl(block1, COAP_OPTION_BLOCK1, options);
1666 if (CA_STATUS_OK != res)
1668 OIC_LOG(ERROR, TAG, "add has failed");
1672 // add option list to pdu.
1673 res = CAAddOptionToPDU(*pdu, options);
1674 if (CA_STATUS_OK != res)
1676 OIC_LOG(ERROR, TAG, "add has failed");
1680 // add the payload data as the block size.
1681 if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info->payload))
1683 OIC_LOG(ERROR, TAG, "failed to add payload");
1684 return CA_STATUS_FAILED;
1687 // if it is last block message, remove block data from list.
1690 // remove data from list
1691 res = CARemoveBlockDataFromList(blockID);
1692 if (CA_STATUS_OK != res)
1694 OIC_LOG(ERROR, TAG, "remove has failed");
1700 CALogBlockInfo(block1);
1702 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption1");
1704 return CA_STATUS_OK;
1707 CARemoveBlockDataFromList(blockID);
1711 CAResult_t CAAddBlockOptionImpl(coap_block_t *block, uint8_t blockType,
1712 coap_list_t **options)
1714 OIC_LOG(DEBUG, TAG, "IN-AddBlockOptionImpl");
1715 VERIFY_NON_NULL(block, TAG, "block");
1716 VERIFY_NON_NULL(options, TAG, "options");
1718 unsigned char buf[BLOCKWISE_OPTION_BUFFER] = { 0 };
1719 unsigned int optionLength = coap_encode_var_bytes(buf,
1720 ((block->num << BLOCK_NUMBER_IDX)
1721 | (block->m << BLOCK_M_BIT_IDX)
1724 int ret = coap_insert(options,
1725 CACreateNewOptionNode(blockType, optionLength, (char *) buf),
1729 return CA_STATUS_INVALID_PARAM;
1732 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOptionImpl");
1733 return CA_STATUS_OK;
1736 CAResult_t CAAddOptionToPDU(coap_pdu_t *pdu, coap_list_t **options)
1738 // after adding the block option to option list, add option list to pdu.
1741 for (coap_list_t *opt = *options; opt; opt = opt->next)
1743 OIC_LOG_V(DEBUG, TAG, "[%s] opt will be added.",
1744 COAP_OPTION_DATA(*(coap_option *) opt->data));
1746 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length", pdu->length);
1747 int ret = coap_add_option(pdu, COAP_OPTION_KEY(*(coap_option *) opt->data),
1748 COAP_OPTION_LENGTH(*(coap_option *) opt->data),
1749 COAP_OPTION_DATA(*(coap_option *) opt->data));
1752 return CA_STATUS_FAILED;
1757 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length after option", pdu->length);
1759 return CA_STATUS_OK;
1762 CAResult_t CAAddBlockSizeOption(coap_pdu_t *pdu, uint16_t sizeType, size_t dataLength,
1763 coap_list_t **options)
1765 OIC_LOG(DEBUG, TAG, "IN-CAAddBlockSizeOption");
1766 VERIFY_NON_NULL(pdu, TAG, "pdu");
1767 VERIFY_NON_NULL(options, TAG, "options");
1769 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1771 OIC_LOG(ERROR, TAG, "unknown option type");
1772 return CA_STATUS_FAILED;
1775 unsigned char value[BLOCKWISE_OPTION_BUFFER] = { 0 };
1776 unsigned int optionLength = coap_encode_var_bytes(value, dataLength);
1778 int ret = coap_insert(options,
1779 CACreateNewOptionNode(sizeType, optionLength, (char *) value),
1783 return CA_STATUS_INVALID_PARAM;
1786 OIC_LOG(DEBUG, TAG, "OUT-CAAddBlockSizeOption");
1788 return CA_STATUS_OK;
1791 // TODO make pdu const after libcoap is updated to support that.
1792 bool CAIsPayloadLengthInPduWithBlockSizeOption(coap_pdu_t *pdu,
1794 size_t *totalPayloadLen)
1796 OIC_LOG(DEBUG, TAG, "IN-CAIsPayloadLengthInPduWithBlockSizeOption");
1797 VERIFY_NON_NULL(pdu, TAG, "pdu");
1798 VERIFY_NON_NULL(totalPayloadLen, TAG, "totalPayloadLen");
1800 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1802 OIC_LOG(ERROR, TAG, "unknown option type");
1803 return CA_STATUS_FAILED;
1806 coap_opt_iterator_t opt_iter;
1807 coap_opt_t *option = coap_check_option(pdu, sizeType, &opt_iter);
1810 OIC_LOG(DEBUG, TAG, "get size option from pdu");
1811 *totalPayloadLen = coap_decode_var_bytes(COAP_OPT_VALUE(option),
1812 COAP_OPT_LENGTH(option));
1814 OIC_LOG_V(DEBUG, TAG, "the total payload length to be received is [%zu]bytes",
1820 OIC_LOG(DEBUG, TAG, "OUT-CAIsPayloadLengthInPduWithBlockSizeOption");
1825 uint8_t CACheckBlockErrorType(CABlockData_t *currData, coap_block_t *receivedBlock,
1826 const CAData_t *receivedData, uint16_t blockType,
1829 OIC_LOG(DEBUG, TAG, "IN-CheckBlockError");
1831 VERIFY_NON_NULL(currData, TAG, "currData is NULL");
1832 VERIFY_NON_NULL(receivedBlock, TAG, "receivedBlock is NULL");
1833 VERIFY_NON_NULL(receivedData, TAG, "receivedData is NULL");
1835 // #1. check the received payload length
1836 size_t blockPayloadLen = 0;
1837 CAGetPayloadInfo(receivedData, &blockPayloadLen);
1839 // #2. check if the block sequence is right
1840 if (COAP_OPTION_BLOCK1 == blockType)
1842 size_t prePayloadLen = currData->receivedPayloadLen;
1843 if (prePayloadLen != (size_t) BLOCK_SIZE(receivedBlock->szx) * receivedBlock->num)
1845 if (receivedBlock->num > currData->block1.num + 1)
1847 // 408 Error handling of block loss
1848 OIC_LOG(ERROR, TAG, "option1: error 4.08");
1849 OIC_LOG(ERROR, TAG, "it didn't order");
1850 return CA_BLOCK_INCOMPLETE;
1852 return CA_BLOCK_RECEIVED_ALREADY;
1855 else if (COAP_OPTION_BLOCK2 == blockType)
1857 if (receivedBlock->num != currData->block2.num)
1859 if (receivedBlock->num > currData->block2.num)
1861 // 408 Error handling of block loss
1862 OIC_LOG(ERROR, TAG, "option2: error 4.08");
1863 OIC_LOG(ERROR, TAG, "it didn't order");
1864 return CA_BLOCK_INCOMPLETE;
1866 return CA_BLOCK_RECEIVED_ALREADY;
1870 // #3. check if error check logic is required
1871 size_t optionLen = dataLen - blockPayloadLen;
1872 if (receivedBlock->m && blockPayloadLen != (size_t) BLOCK_SIZE(receivedBlock->szx))
1874 // 413 Error handling of too large entity
1875 if (COAP_MAX_PDU_SIZE < BLOCK_SIZE(receivedBlock->szx) + optionLen)
1877 // buffer size is smaller than received block size
1878 OIC_LOG(ERROR, TAG, "error type 4.13");
1879 OIC_LOG(ERROR, TAG, "too large size");
1881 // set the block size to be smaller than COAP_MAX_PDU_SIZE
1882 for (int32_t size = CA_DEFAULT_BLOCK_SIZE; size >= 0; size--)
1884 if (COAP_MAX_PDU_SIZE >= BLOCK_SIZE(size) + optionLen)
1886 OIC_LOG_V(ERROR, TAG, "replace sze with %d", size);
1887 currData->block2.szx = size;
1888 currData->block1.szx = size;
1892 return CA_BLOCK_TOO_LARGE;
1896 // 408 Error handling of payload loss
1897 OIC_LOG(ERROR, TAG, "error type 4.08");
1898 OIC_LOG(ERROR, TAG, "payload len != block sze");
1899 return CA_BLOCK_INCOMPLETE;
1902 else if (0 == receivedBlock->m && 0 != currData->payloadLength)
1904 // if the received block is last block, check the total payload length
1905 size_t receivedPayloadLen = currData->receivedPayloadLen;
1906 receivedPayloadLen += blockPayloadLen;
1908 if (receivedPayloadLen != currData->payloadLength)
1910 OIC_LOG(ERROR, TAG, "error type 4.08");
1911 OIC_LOG(ERROR, TAG, "total payload length is wrong");
1912 return CA_BLOCK_INCOMPLETE;
1916 OIC_LOG(DEBUG, TAG, "received all data normally");
1918 OIC_LOG(DEBUG, TAG, "OUT-CheckBlockError");
1920 return CA_BLOCK_UNKNOWN;
1923 CAResult_t CAUpdatePayloadData(CABlockData_t *currData, const CAData_t *receivedData,
1924 uint8_t status, bool isSizeOption, uint16_t blockType)
1926 OIC_LOG(DEBUG, TAG, "IN-UpdatePayloadData");
1928 VERIFY_NON_NULL(currData, TAG, "currData");
1929 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
1931 // if error code is 4.08, do not update payload
1932 if (CA_BLOCK_INCOMPLETE == status)
1934 OIC_LOG(ERROR, TAG, "no require to update");
1935 return CA_STATUS_OK;
1938 size_t blockPayloadLen = 0;
1939 CAPayload_t blockPayload = CAGetPayloadInfo(receivedData, &blockPayloadLen);
1941 if (CA_BLOCK_TOO_LARGE == status)
1943 blockPayloadLen = (COAP_OPTION_BLOCK2 == blockType) ?
1944 BLOCK_SIZE(currData->block2.szx) : BLOCK_SIZE(currData->block1.szx);
1947 // memory allocation for the received block payload
1948 size_t prePayloadLen = currData->receivedPayloadLen;
1951 if (currData->payloadLength)
1953 // in case the block message has the size option
1954 // allocate the memory for the total payload
1957 CAPayload_t prePayload = currData->payload;
1959 OIC_LOG(DEBUG, TAG, "allocate memory for the total payload");
1960 currData->payload = (CAPayload_t) OICCalloc(1, currData->payloadLength);
1961 if (NULL == currData->payload)
1963 OIC_LOG(ERROR, TAG, "out of memory");
1964 return CA_MEMORY_ALLOC_FAILED;
1966 memcpy(currData->payload, prePayload, prePayloadLen);
1967 OICFree(prePayload);
1970 // update the total payload
1971 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
1975 OIC_LOG(DEBUG, TAG, "allocate memory for the received block payload");
1977 size_t totalPayloadLen = prePayloadLen + blockPayloadLen;
1978 CAPayload_t newPayload = OICRealloc(currData->payload, totalPayloadLen);
1979 if (NULL == newPayload)
1981 OIC_LOG(ERROR, TAG, "out of memory");
1982 return CA_MEMORY_ALLOC_FAILED;
1985 // update the total payload
1986 memset(newPayload + prePayloadLen, 0, blockPayloadLen);
1987 currData->payload = newPayload;
1988 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
1991 // update received payload length
1992 currData->receivedPayloadLen += blockPayloadLen;
1994 OIC_LOG_V(DEBUG, TAG, "updated payload: %s, len: %zu", currData->payload,
1995 currData->receivedPayloadLen);
1998 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayloadData");
1999 return CA_STATUS_OK;
2002 CAData_t* CACreateNewDataSet(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint)
2004 VERIFY_NON_NULL_RET(pdu, TAG, "pdu", NULL);
2005 VERIFY_NON_NULL_RET(pdu->transport_hdr, TAG, "pdu->transport_hdr", NULL);
2006 VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
2008 CARequestInfo_t* requestInfo = NULL;
2009 CAResponseInfo_t* responseInfo = NULL;
2011 uint32_t code = pdu->transport_hdr->udp.code;
2012 if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
2014 CAInfo_t responseData = { .tokenLength = pdu->transport_hdr->udp.token_length };
2015 responseData.token = (CAToken_t) OICMalloc(responseData.tokenLength);
2016 if (!responseData.token)
2018 OIC_LOG(ERROR, TAG, "out of memory");
2021 memcpy(responseData.token, pdu->transport_hdr->udp.token, responseData.tokenLength);
2023 responseInfo = (CAResponseInfo_t*) OICCalloc(1, sizeof(CAResponseInfo_t));
2026 OIC_LOG(ERROR, TAG, "out of memory");
2027 OICFree(responseData.token);
2030 responseInfo->info = responseData;
2034 CAInfo_t requestData = { .tokenLength = pdu->transport_hdr->udp.token_length };
2035 requestData.token = (CAToken_t) OICMalloc(requestData.tokenLength);
2036 if (!requestData.token)
2038 OIC_LOG(ERROR, TAG, "out of memory");
2041 memcpy(requestData.token, pdu->transport_hdr->udp.token, requestData.tokenLength);
2043 requestInfo = (CARequestInfo_t*) OICCalloc(1, sizeof(CARequestInfo_t));
2046 OIC_LOG(ERROR, TAG, "out of memory");
2047 OICFree(requestData.token);
2050 requestInfo->info = requestData;
2052 // get resource uri information from received response message
2053 // to send next request message to remote device
2054 CAResponseInfo_t* resInfo = (CAResponseInfo_t*)OICCalloc(1, sizeof(*resInfo));
2057 OIC_LOG(ERROR, TAG, "memory allocation failed");
2058 OICFree(requestData.token);
2062 CAGetResponseInfoFromPDU(pdu, resInfo, endpoint);
2063 requestInfo->method = CA_GET;
2064 requestInfo->info.messageId = CAGetMessageIdFromPduBinaryData(pdu->transport_hdr, pdu->length);
2065 requestInfo->info.resourceUri = OICStrdup(resInfo->info.resourceUri);
2067 // after copying the resource uri, destroy response info.
2068 CADestroyResponseInfoInternal(resInfo);
2071 CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
2074 OIC_LOG(ERROR, TAG, "out of memory");
2075 OICFree(requestInfo);
2076 OICFree(responseInfo);
2080 data->requestInfo = requestInfo;
2081 data->responseInfo = responseInfo;
2082 data->remoteEndpoint = CACloneEndpoint(endpoint);
2083 data->type = SEND_TYPE_UNICAST;
2088 CAData_t *CACloneCAData(const CAData_t *data)
2090 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2092 CAData_t *clone = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
2095 OIC_LOG(ERROR, TAG, "out of memory");
2100 if (data->requestInfo)
2102 clone->requestInfo = CACloneRequestInfo(data->requestInfo);
2104 else if (data->responseInfo)
2106 clone->responseInfo = CACloneResponseInfo(data->responseInfo);
2109 if (data->remoteEndpoint)
2111 clone->remoteEndpoint = CACloneEndpoint(data->remoteEndpoint);
2117 CAResult_t CAUpdatePayloadToCAData(CAData_t *data, const CAPayload_t payload,
2120 OIC_LOG(DEBUG, TAG, "IN-UpdatePayload");
2122 VERIFY_NON_NULL(data, TAG, "data is NULL");
2123 VERIFY_NON_NULL(payload, TAG, "payload is NULL");
2125 CAPayload_t newPayload = NULL;
2126 switch (data->dataType)
2128 case CA_REQUEST_DATA:
2129 if (!data->requestInfo)
2131 OIC_LOG(ERROR, TAG, "request info is null");
2132 return CA_STATUS_FAILED;
2134 // allocate payload field
2135 newPayload = OICRealloc(data->requestInfo->info.payload, payloadLen);
2138 OIC_LOG(ERROR, TAG, "out of memory");
2139 return CA_STATUS_FAILED;
2141 data->requestInfo->info.payload = newPayload;
2142 memcpy(data->requestInfo->info.payload, payload, payloadLen);
2143 data->requestInfo->info.payloadSize = payloadLen;
2146 case CA_RESPONSE_DATA:
2147 if (!data->responseInfo)
2149 OIC_LOG(ERROR, TAG, "response info is null");
2150 return CA_STATUS_FAILED;
2152 // allocate payload field
2153 newPayload = OICRealloc(data->responseInfo->info.payload, payloadLen);
2156 OIC_LOG(ERROR, TAG, "out of memory");
2157 return CA_STATUS_FAILED;
2159 data->responseInfo->info.payload = newPayload;
2160 memcpy(data->responseInfo->info.payload, payload, payloadLen);
2161 data->responseInfo->info.payloadSize = payloadLen;
2165 // does not occur case
2166 OIC_LOG(ERROR, TAG, "not supported data type");
2167 return CA_NOT_SUPPORTED;
2170 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayload");
2172 return CA_STATUS_OK;
2175 CAPayload_t CAGetPayloadInfo(const CAData_t *data, size_t *payloadLen)
2177 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2178 VERIFY_NON_NULL_RET(payloadLen, TAG, "payloadLen", NULL);
2180 if (data->requestInfo)
2182 if (data->requestInfo->info.payload)
2184 *payloadLen = data->requestInfo->info.payloadSize;
2185 return data->requestInfo->info.payload;
2190 if (data->responseInfo->info.payload)
2192 *payloadLen = data->responseInfo->info.payloadSize;
2193 return data->responseInfo->info.payload;
2200 CAResult_t CAHandleBlockErrorResponse(coap_block_t *block, uint16_t blockType,
2201 uint32_t responseResult)
2203 OIC_LOG(DEBUG, TAG, "IN-HandleBlockErrorRes");
2204 VERIFY_NON_NULL(block, TAG, "block is NULL");
2206 // update block data
2207 switch (responseResult)
2209 case CA_REQUEST_ENTITY_INCOMPLETE:
2212 case CA_REQUEST_ENTITY_TOO_LARGE:
2213 if (COAP_OPTION_BLOCK1 == blockType)
2220 OIC_LOG_V(ERROR, TAG, "there is no Error Code of BWT[%d]", responseResult);
2221 return CA_STATUS_FAILED;
2224 OIC_LOG(DEBUG, TAG, "OUT-HandleBlockErrorRes");
2225 return CA_STATUS_OK;
2228 CAResult_t CAUpdateBlockOptionType(const CABlockDataID_t *blockID, uint8_t blockType)
2230 OIC_LOG(DEBUG, TAG, "IN-UpdateBlockOptionType");
2231 VERIFY_NON_NULL(blockID, TAG, "blockID");
2233 ca_mutex_lock(g_context.blockDataListMutex);
2235 size_t len = u_arraylist_length(g_context.dataList);
2236 for (size_t i = 0; i < len; i++)
2238 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2239 if (CABlockidMatches(currData, blockID))
2241 currData->type = blockType;
2242 ca_mutex_unlock(g_context.blockDataListMutex);
2243 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2244 return CA_STATUS_OK;
2247 ca_mutex_unlock(g_context.blockDataListMutex);
2249 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2250 return CA_STATUS_FAILED;
2253 uint8_t CAGetBlockOptionType(const CABlockDataID_t *blockID)
2255 OIC_LOG(DEBUG, TAG, "IN-GetBlockOptionType");
2256 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", 0);
2258 ca_mutex_lock(g_context.blockDataListMutex);
2260 size_t len = u_arraylist_length(g_context.dataList);
2261 for (size_t i = 0; i < len; i++)
2263 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2264 if (CABlockidMatches(currData, blockID))
2266 ca_mutex_unlock(g_context.blockDataListMutex);
2267 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2268 return currData->type;
2271 ca_mutex_unlock(g_context.blockDataListMutex);
2273 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2277 CAData_t *CAGetDataSetFromBlockDataList(const CABlockDataID_t *blockID)
2279 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2281 ca_mutex_lock(g_context.blockDataListMutex);
2283 size_t len = u_arraylist_length(g_context.dataList);
2284 for (size_t i = 0; i < len; i++)
2286 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2287 if (CABlockidMatches(currData, blockID))
2289 ca_mutex_unlock(g_context.blockDataListMutex);
2290 return currData->sentData;
2293 ca_mutex_unlock(g_context.blockDataListMutex);
2298 CAResult_t CAGetTokenFromBlockDataList(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
2299 CAResponseInfo_t *responseInfo)
2301 OIC_LOG(DEBUG, TAG, "IN-CAGetTokenFromBlockDataList");
2302 VERIFY_NON_NULL(pdu, TAG, "pdu");
2303 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
2304 VERIFY_NON_NULL(responseInfo, TAG, "responseInfo");
2306 ca_mutex_lock(g_context.blockDataListMutex);
2308 size_t len = u_arraylist_length(g_context.dataList);
2309 for (size_t i = 0; i < len; i++)
2311 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2312 if (NULL == currData)
2317 if (NULL != currData->sentData && NULL != currData->sentData->requestInfo)
2319 if (pdu->transport_hdr->udp.id == currData->sentData->requestInfo->info.messageId &&
2320 endpoint->adapter == currData->sentData->remoteEndpoint->adapter)
2322 if (NULL != currData->sentData->requestInfo->info.token)
2324 uint8_t length = currData->sentData->requestInfo->info.tokenLength;
2325 responseInfo->info.tokenLength = length;
2326 responseInfo->info.token = (char *) OICMalloc(length);
2327 if (NULL == responseInfo->info.token)
2329 OIC_LOG(ERROR, TAG, "out of memory");
2330 ca_mutex_unlock(g_context.blockDataListMutex);
2331 return CA_MEMORY_ALLOC_FAILED;
2333 memcpy(responseInfo->info.token, currData->sentData->requestInfo->info.token,
2334 responseInfo->info.tokenLength);
2336 ca_mutex_unlock(g_context.blockDataListMutex);
2337 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2338 return CA_STATUS_OK;
2344 ca_mutex_unlock(g_context.blockDataListMutex);
2346 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2347 return CA_STATUS_FAILED;
2350 CAResult_t CACheckBlockDataValidation(const CAData_t *sendData, CABlockData_t **blockData)
2352 VERIFY_NON_NULL(sendData, TAG, "sendData");
2353 VERIFY_NON_NULL(blockData, TAG, "blockData");
2355 if (sendData->responseInfo)
2357 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2358 (CAToken_t)sendData->responseInfo->info.token,
2359 sendData->responseInfo->info.tokenLength,
2360 sendData->remoteEndpoint->port);
2361 if (NULL == blockDataID || blockDataID->idLength < 1)
2363 OIC_LOG(ERROR, TAG, "blockId is null");
2364 CADestroyBlockID(blockDataID);
2365 return CA_STATUS_FAILED;
2368 CABlockData_t *storedData = CAGetBlockDataFromBlockDataList(blockDataID);
2371 OIC_LOG(DEBUG, TAG, "Send response about the received block request.");
2372 if (storedData->sentData)
2374 OIC_LOG(DEBUG, TAG, "init block number");
2375 CADestroyDataSet(storedData->sentData);
2377 storedData->sentData = CACloneCAData(sendData);
2378 *blockData = storedData;
2379 CADestroyBlockID(blockDataID);
2380 return CA_STATUS_OK;
2382 CADestroyBlockID(blockDataID);
2385 return CA_STATUS_FAILED;
2388 CABlockData_t *CAGetBlockDataFromBlockDataList(const CABlockDataID_t *blockID)
2390 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2392 ca_mutex_lock(g_context.blockDataListMutex);
2394 size_t len = u_arraylist_length(g_context.dataList);
2395 for (size_t i = 0; i < len; i++)
2397 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2398 if (CABlockidMatches(currData, blockID))
2400 ca_mutex_unlock(g_context.blockDataListMutex);
2404 ca_mutex_unlock(g_context.blockDataListMutex);
2409 coap_block_t *CAGetBlockOption(const CABlockDataID_t *blockID, uint16_t blockType)
2411 OIC_LOG(DEBUG, TAG, "IN-GetBlockOption");
2412 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2414 ca_mutex_lock(g_context.blockDataListMutex);
2416 size_t len = u_arraylist_length(g_context.dataList);
2417 for (size_t i = 0; i < len; i++)
2419 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2420 if (CABlockidMatches(currData, blockID))
2422 ca_mutex_unlock(g_context.blockDataListMutex);
2423 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2424 if (COAP_OPTION_BLOCK2 == blockType)
2426 return &currData->block2;
2428 else if (COAP_OPTION_BLOCK1 == blockType)
2430 return &currData->block1;
2434 ca_mutex_unlock(g_context.blockDataListMutex);
2436 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2440 CAPayload_t CAGetPayloadFromBlockDataList(const CABlockDataID_t *blockID,
2441 size_t *fullPayloadLen)
2443 OIC_LOG(DEBUG, TAG, "IN-GetFullPayload");
2444 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2445 VERIFY_NON_NULL_RET(fullPayloadLen, TAG, "fullPayloadLen", NULL);
2447 ca_mutex_lock(g_context.blockDataListMutex);
2449 size_t len = u_arraylist_length(g_context.dataList);
2450 for (size_t i = 0; i < len; i++)
2452 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2453 if (CABlockidMatches(currData, blockID))
2455 ca_mutex_unlock(g_context.blockDataListMutex);
2456 *fullPayloadLen = currData->receivedPayloadLen;
2457 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2458 return currData->payload;
2461 ca_mutex_unlock(g_context.blockDataListMutex);
2463 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2467 CABlockData_t *CACreateNewBlockData(const CAData_t *sendData)
2469 OIC_LOG(DEBUG, TAG, "IN-CACreateNewBlockData");
2470 VERIFY_NON_NULL_RET(sendData, TAG, "sendData", NULL);
2472 // create block data
2473 CABlockData_t *data = (CABlockData_t *) OICCalloc(1, sizeof(CABlockData_t));
2476 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2480 data->block1.szx = CA_DEFAULT_BLOCK_SIZE;
2481 data->block2.szx = CA_DEFAULT_BLOCK_SIZE;
2482 data->sentData = CACloneCAData(sendData);
2483 if (!data->sentData)
2485 OIC_LOG(ERROR, TAG, PCF("memory alloc has failed"));
2490 CAToken_t token = NULL;
2491 uint8_t tokenLength = 0;
2492 if (data->sentData->requestInfo)
2494 // update token info
2495 tokenLength = data->sentData->requestInfo->info.tokenLength;
2496 token = data->sentData->requestInfo->info.token;
2498 else if (data->sentData->responseInfo)
2500 tokenLength = data->sentData->responseInfo->info.tokenLength;
2501 token = data->sentData->responseInfo->info.token;
2504 if (!data->sentData->remoteEndpoint)
2506 OIC_LOG(ERROR, TAG, "remoteEndpoint is null");
2507 CADestroyDataSet(data->sentData);
2512 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(token, tokenLength,
2513 data->sentData->remoteEndpoint->port);
2514 if (NULL == blockDataID || blockDataID->idLength < 1)
2516 OIC_LOG(ERROR, TAG, "blockId is null");
2517 CADestroyBlockID(blockDataID);
2518 CADestroyDataSet(data->sentData);
2522 data->blockDataId = blockDataID;
2524 ca_mutex_lock(g_context.blockDataListMutex);
2526 bool res = u_arraylist_add(g_context.dataList, (void *) data);
2529 OIC_LOG(ERROR, TAG, "add has failed");
2530 CADestroyBlockID(data->blockDataId);
2531 CADestroyDataSet(data->sentData);
2533 ca_mutex_unlock(g_context.blockDataListMutex);
2536 ca_mutex_unlock(g_context.blockDataListMutex);
2538 OIC_LOG(DEBUG, TAG, "OUT-CreateBlockData");
2542 CAResult_t CARemoveBlockDataFromList(const CABlockDataID_t *blockID)
2544 OIC_LOG(DEBUG, TAG, "CARemoveBlockData");
2545 VERIFY_NON_NULL(blockID, TAG, "blockID");
2547 ca_mutex_lock(g_context.blockDataListMutex);
2549 size_t len = u_arraylist_length(g_context.dataList);
2550 for (size_t i = 0; i < len; i++)
2552 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2553 if (CABlockidMatches(currData, blockID))
2555 CABlockData_t *removedData = u_arraylist_remove(g_context.dataList, i);
2558 OIC_LOG(ERROR, TAG, "data is NULL");
2559 ca_mutex_unlock(g_context.blockDataListMutex);
2560 return CA_STATUS_FAILED;
2564 CADestroyDataSet(currData->sentData);
2565 CADestroyBlockID(currData->blockDataId);
2566 OICFree(currData->payload);
2568 ca_mutex_unlock(g_context.blockDataListMutex);
2569 return CA_STATUS_OK;
2572 ca_mutex_unlock(g_context.blockDataListMutex);
2574 return CA_STATUS_OK;
2577 CAResult_t CARemoveAllBlockDataFromList()
2579 OIC_LOG(DEBUG, TAG, "CARemoveAllBlockDataFromList");
2581 ca_mutex_lock(g_context.blockDataListMutex);
2583 size_t len = u_arraylist_length(g_context.dataList);
2584 for (size_t i = len; i > 0; i--)
2586 CABlockData_t *removedData = u_arraylist_remove(g_context.dataList, i - 1);
2590 if (removedData->sentData)
2592 CADestroyDataSet(removedData->sentData);
2594 CADestroyBlockID(removedData->blockDataId);
2595 OICFree(removedData->payload);
2596 OICFree(removedData);
2599 ca_mutex_unlock(g_context.blockDataListMutex);
2601 return CA_STATUS_OK;
2604 void CADestroyDataSet(CAData_t* data)
2606 VERIFY_NON_NULL_VOID(data, TAG, "data");
2608 CAFreeEndpoint(data->remoteEndpoint);
2609 CADestroyRequestInfoInternal(data->requestInfo);
2610 CADestroyResponseInfoInternal(data->responseInfo);
2614 CABlockDataID_t* CACreateBlockDatablockId(const CAToken_t token, uint8_t tokenLength,
2615 uint16_t portNumber)
2617 char port[PORT_LENGTH] = { 0, };
2618 port[0] = (char) ((portNumber >> 8) & 0xFF);
2619 port[1] = (char) (portNumber & 0xFF);
2621 CABlockDataID_t* blockDataID = (CABlockDataID_t *) OICMalloc(sizeof(CABlockDataID_t));
2624 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2627 blockDataID->idLength = tokenLength + sizeof(port);
2628 blockDataID->id = (uint8_t *) OICMalloc(blockDataID->idLength);
2629 if (!blockDataID->id)
2631 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2632 OICFree(blockDataID);
2638 memcpy(blockDataID->id, token, tokenLength);
2641 memcpy(blockDataID->id + tokenLength, port, sizeof(port));
2643 OIC_LOG(DEBUG, TAG, "BlockID is ");
2644 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *)blockDataID->id, blockDataID->idLength);
2649 void CADestroyBlockID(CABlockDataID_t *blockID)
2651 VERIFY_NON_NULL_VOID(blockID, TAG, "blockID");
2652 OICFree(blockID->id);
2657 bool CABlockidMatches(const CABlockData_t *currData, const CABlockDataID_t *blockID)
2659 VERIFY_NON_NULL_RET(currData, TAG, "currData", false);
2660 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", false);
2661 VERIFY_NON_NULL_RET(blockID->id, TAG, "blockID->id", false);
2663 if ((currData->blockDataId)
2664 && (currData->blockDataId->id)
2665 && (currData->blockDataId->idLength == blockID->idLength)
2666 && !memcmp(currData->blockDataId->id, blockID->id, currData->blockDataId->idLength))
2673 void CALogBlockInfo(coap_block_t *block)
2675 VERIFY_NON_NULL_VOID(block, TAG, "block");
2677 OIC_LOG(DEBUG, TAG, "block option info");
2679 OIC_LOG_V(DEBUG, TAG, "block option-num : %d", block->num);
2681 OIC_LOG_V(DEBUG, TAG, "block option-m : %d", block->m);
2683 OIC_LOG_V(DEBUG, TAG, "block option-szx : %d", block->szx);
2686 CAResult_t CARemoveBlockDataFromListWithSeed(const CAToken_t token, uint8_t tokenLength,
2687 uint16_t portNumber)
2689 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(token, tokenLength, portNumber);
2690 if (NULL == blockDataID || blockDataID->idLength < 1)
2692 OIC_LOG(ERROR, TAG, "blockId is null");
2693 CADestroyBlockID(blockDataID);
2694 return CA_STATUS_FAILED;
2697 CAResult_t res = CA_STATUS_OK;
2699 if (NULL != CAGetBlockDataFromBlockDataList(blockDataID))
2701 res = CARemoveBlockDataFromList(blockDataID);
2702 if (CA_STATUS_OK != res)
2704 OIC_LOG(ERROR, TAG, "CARemoveBlockDataFromList failed");
2708 CADestroyBlockID(blockDataID);