1 /* ****************************************************************
3 * Copyright 2015 Samsung Electronics All Rights Reserved.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 ******************************************************************/
21 // Defining _BSD_SOURCE or _DEFAULT_SOURCE causes header files to expose
22 // definitions that may otherwise be skipped. Skipping can cause implicit
23 // declaration warnings and/or bugs and subtle problems in code execution.
24 // For glibc information on feature test macros,
25 // Refer http://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
27 // This file requires #define use due to random()
28 // For details on compatibility and glibc support,
29 // Refer http://www.gnu.org/software/libc/manual/html_node/BSD-Random.html
30 #define _DEFAULT_SOURCE
37 #include "caadapterutils.h"
38 #include "cainterface.h"
39 #include "camessagehandler.h"
40 #include "caremotehandler.h"
41 #include "cablockwisetransfer.h"
42 #include "oic_malloc.h"
48 #define BLOCKWISE_OPTION_BUFFER (sizeof(unsigned int))
49 #define BLOCK_NUMBER_IDX 4
50 #define BLOCK_M_BIT_IDX 3
53 #define BLOCK_SIZE(arg) (1 << ((arg) + 4))
55 // context for block-wise transfer
56 static CABlockWiseContext_t g_context = { 0 };
58 static bool CACheckPayloadLength(const CAData_t *sendData)
60 size_t payloadLen = 0;
61 CAGetPayloadInfo(sendData, &payloadLen);
63 // check if message has to be transfered to a block
64 size_t maxBlockSize = BLOCK_SIZE(CA_DEFAULT_BLOCK_SIZE);
65 OIC_LOG_V(DEBUG, TAG, "payloadLen=%d, maxBlockSize=%d", payloadLen, maxBlockSize);
67 if (payloadLen <= maxBlockSize)
75 CAResult_t CAInitializeBlockWiseTransfer(CASendThreadFunc sendThreadFunc,
76 CAReceiveThreadFunc receivedThreadFunc)
78 OIC_LOG(DEBUG, TAG, "initialize");
80 // set block-wise transfer context
81 if (!g_context.sendThreadFunc)
83 g_context.sendThreadFunc = sendThreadFunc;
86 if (!g_context.receivedThreadFunc)
88 g_context.receivedThreadFunc = receivedThreadFunc;
91 if (!g_context.dataList)
93 g_context.dataList = u_arraylist_create();
96 CAResult_t res = CAInitBlockWiseMutexVariables();
97 if (CA_STATUS_OK != res)
99 OIC_LOG(ERROR, TAG, "init has failed");
105 CAResult_t CATerminateBlockWiseTransfer()
107 OIC_LOG(DEBUG, TAG, "terminate");
109 if (g_context.dataList)
111 u_arraylist_free(&g_context.dataList);
114 CATerminateBlockWiseMutexVariables();
119 CAResult_t CAInitBlockWiseMutexVariables()
121 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->responseInfo)
167 if (CA_MSG_RESET == sendData->responseInfo->info.type)
169 OIC_LOG(DEBUG, TAG, "reset message can't be sent to the block");
170 return CA_NOT_SUPPORTED;
174 // #1. check if it is already included in block data list
175 CABlockData_t *currData = NULL;
176 CAResult_t res = CACheckBlockDataValidation(sendData, &currData);
177 if (CA_STATUS_OK != res)
179 // #2. if it is not included, add the data into list
182 OIC_LOG(DEBUG, TAG, "There is no block data");
184 bool isBlock = CACheckPayloadLength(sendData);
187 if (sendData->requestInfo)
189 currData = CACreateNewBlockData(sendData);
192 OIC_LOG(ERROR, TAG, "failed to create block data");
193 return CA_MEMORY_ALLOC_FAILED;
196 return CA_NOT_SUPPORTED;
198 currData = CACreateNewBlockData(sendData);
201 OIC_LOG(ERROR, TAG, "failed to create block data");
202 return CA_MEMORY_ALLOC_FAILED;
207 // #3. check request/response block option type and payload length
208 res = CACheckBlockOptionType(currData);
209 if (CA_STATUS_OK == res)
211 // #4. send block message
212 OIC_LOG(DEBUG, TAG, "send first block msg");
213 res = CAAddSendThreadQueue(currData->sentData,
214 (const CABlockDataID_t *)&currData->blockDataId);
215 if (CA_STATUS_OK != res)
217 OIC_LOG(ERROR, TAG, "add has failed");
225 CAResult_t CAAddSendThreadQueue(const CAData_t *sendData, const CABlockDataID_t *blockID)
227 VERIFY_NON_NULL(sendData, TAG, "sendData");
228 VERIFY_NON_NULL(blockID, TAG, "blockID");
230 CAData_t *cloneData = CACloneCAData(sendData);
233 OIC_LOG(ERROR, TAG, "clone has failed");
234 CARemoveBlockDataFromList(blockID);
235 return CA_STATUS_FAILED;
238 if (g_context.sendThreadFunc)
240 ca_mutex_lock(g_context.blockDataSenderMutex);
241 g_context.sendThreadFunc(cloneData);
242 ca_mutex_unlock(g_context.blockDataSenderMutex);
246 CADestroyDataSet(cloneData);
251 CAResult_t CACheckBlockOptionType(CABlockData_t *currData)
253 VERIFY_NON_NULL(currData, TAG, "currData");
254 VERIFY_NON_NULL(currData->sentData, TAG, "currData->sentData");
256 bool isBlock = CACheckPayloadLength(currData->sentData);
259 return CA_NOT_SUPPORTED;
262 // set block option (COAP_OPTION_BLOCK2 or COAP_OPTION_BLOCK1)
263 if (currData->sentData->requestInfo) // request message
265 currData->type = COAP_OPTION_BLOCK1;
267 else // response message
269 currData->type = COAP_OPTION_BLOCK2;
275 // TODO make pdu const after libcoap is updated to support that.
276 CAResult_t CAReceiveBlockWiseData(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
277 const CAData_t *receivedData, size_t dataLen)
279 OIC_LOG(DEBUG, TAG, "CAReceiveBlockWiseData");
280 VERIFY_NON_NULL(pdu, TAG, "pdu");
281 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
282 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
283 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
285 // check if received message type is CA_MSG_RESET
286 if (CA_EMPTY == pdu->hdr->coap_hdr_udp_t.code)
288 OIC_LOG(DEBUG, TAG, "code is CA_EMPTY..");
290 // get token from block-wise transfer list when CA_EMPTY(RST/ACK) is received
291 CAResult_t res = CAGetTokenFromBlockDataList(pdu, endpoint, receivedData->responseInfo);
292 if (CA_STATUS_OK != res)
294 OIC_LOG(ERROR, TAG, "fail to get token");
298 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
299 receivedData->responseInfo->info.token,
300 receivedData->responseInfo->info.tokenLength,
302 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
304 OIC_LOG(ERROR, TAG, "blockId is null");
305 CADestroyBlockID(blockDataID);
306 return CA_STATUS_FAILED;
309 CARemoveBlockDataFromList(blockDataID);
310 CADestroyBlockID(blockDataID);
311 return CA_NOT_SUPPORTED;
314 // check if block option is set and get block data
315 coap_block_t block = {0, 0, 0};
318 int isBlock1 = coap_get_block(pdu, COAP_OPTION_BLOCK1, &block);
321 CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, block, dataLen);
322 if (CA_STATUS_OK != res)
324 OIC_LOG(ERROR, TAG, "setting has failed");
330 int isBlock2 = coap_get_block(pdu, COAP_OPTION_BLOCK2, &block);
333 CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, block, dataLen);
334 if (CA_STATUS_OK != res)
336 OIC_LOG(ERROR, TAG, "setting has failed");
341 // check if there is error code
342 if (!isBlock1 && !isBlock2)
344 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
345 if (CA_REQUEST_ENTITY_INCOMPLETE == code)
347 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
348 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
349 pdu->hdr->coap_hdr_udp_t.token_length,
352 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
354 OIC_LOG(ERROR, TAG, "blockId is null");
355 CADestroyBlockID(blockDataID);
356 return CA_STATUS_FAILED;
359 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
362 OIC_LOG(ERROR, TAG, "getting has failed");
363 CADestroyBlockID(blockDataID);
364 return CA_STATUS_FAILED;
367 if (COAP_OPTION_BLOCK2 == data->type)
369 coap_block_t *block2 = CAGetBlockOption(blockDataID, COAP_OPTION_BLOCK2);
372 OIC_LOG(ERROR, TAG, "block is null");
373 CADestroyBlockID(blockDataID);
374 return CA_STATUS_FAILED;
377 CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, *block2,
379 if (CA_STATUS_OK != res)
381 OIC_LOG(ERROR, TAG, "setting has failed");
382 CADestroyBlockID(blockDataID);
386 else if (COAP_OPTION_BLOCK1 == data->type)
388 coap_block_t *block1 = CAGetBlockOption(blockDataID, COAP_OPTION_BLOCK1);
391 OIC_LOG(ERROR, TAG, "block is null");
392 CADestroyBlockID(blockDataID);
393 return CA_STATUS_FAILED;
396 CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, *block1,
398 if (CA_STATUS_OK != res)
400 OIC_LOG(ERROR, TAG, "setting has failed");
401 CADestroyBlockID(blockDataID);
409 OIC_LOG(DEBUG, TAG, "it's normal pdu");
411 // if received data is response message
412 // and sent data remain in block data list, remove block data
413 if (receivedData->responseInfo)
415 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
416 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
417 pdu->hdr->coap_hdr_udp_t.token_length,
419 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
421 OIC_LOG(ERROR, TAG, "blockId is null");
422 CADestroyBlockID(blockDataID);
423 return CA_STATUS_FAILED;
426 CARemoveBlockDataFromList(blockDataID);
427 CADestroyBlockID(blockDataID);
429 return CA_NOT_SUPPORTED;
436 CAResult_t CAProcessNextStep(const coap_pdu_t *pdu, const CAData_t *receivedData,
437 uint8_t blockWiseStatus, const CABlockDataID_t *blockID)
439 VERIFY_NON_NULL(pdu, TAG, "pdu");
440 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
441 VERIFY_NON_NULL(blockID, TAG, "blockID");
443 CAResult_t res = CA_STATUS_OK;
444 CAData_t *data = NULL;
446 // process blockWiseStatus
447 switch (blockWiseStatus)
449 case CA_OPTION2_FIRST_BLOCK:
450 res = CAAddSendThreadQueue(receivedData, blockID);
451 if (CA_STATUS_OK != res)
453 OIC_LOG(ERROR, TAG, "add has failed");
459 // add data to send thread
460 data = CAGetDataSetFromBlockDataList(blockID);
463 OIC_LOG(ERROR, TAG, "it's unavailable");
464 return CA_STATUS_FAILED;
467 if (data->requestInfo)
469 data->requestInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
472 if (data->responseInfo)
474 data->responseInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
477 res = CAAddSendThreadQueue(data, blockID);
478 if (CA_STATUS_OK != res)
480 OIC_LOG(ERROR, TAG, "add has failed");
488 case CA_SENT_PREVIOUS_NON_MSG:
489 res = CASendBlockMessage(pdu, CA_MSG_CONFIRM, blockWiseStatus,
491 if (CA_STATUS_OK != res)
493 OIC_LOG(ERROR, TAG, "send has failed");
498 case CA_OPTION2_LAST_BLOCK:
499 // process last block and send upper layer
500 res = CAReceiveLastBlock(blockID, receivedData);
501 if (CA_STATUS_OK != res)
503 OIC_LOG(ERROR, TAG, "receive has failed");
507 // remove data from list
508 res = CARemoveBlockDataFromList(blockID);
509 if (CA_STATUS_OK != res)
511 OIC_LOG(ERROR, TAG, "remove has failed");
516 case CA_OPTION1_NO_ACK_LAST_BLOCK:
517 // process last block and send upper layer
518 res = CAReceiveLastBlock(blockID, receivedData);
519 if (CA_STATUS_OK != res)
521 OIC_LOG(ERROR, TAG, "receive has failed");
525 if (CA_MSG_NONCONFIRM == pdu->hdr->coap_hdr_udp_t.type)
527 // remove data from list
528 res = CARemoveBlockDataFromList(blockID);
529 if (CA_STATUS_OK != res)
531 OIC_LOG(ERROR, TAG, "remove has failed");
537 case CA_OPTION1_NO_ACK_BLOCK:
538 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
540 // add data to send thread
541 res = CASendBlockMessage(pdu, CA_MSG_ACKNOWLEDGE, blockWiseStatus,
543 if (CA_STATUS_OK != res)
545 OIC_LOG(ERROR, TAG, "send has failed");
551 case CA_BLOCK_INCOMPLETE:
552 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type ||
553 CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
555 // add data to send thread
556 res = CASendErrorMessage(pdu, blockWiseStatus,
557 CA_REQUEST_ENTITY_INCOMPLETE,
559 if (CA_STATUS_OK != res)
561 OIC_LOG(ERROR, TAG, "send has failed");
567 case CA_BLOCK_TOO_LARGE:
568 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
570 res = CASendBlockMessage(pdu, CA_MSG_CONFIRM, blockWiseStatus,
572 if (CA_STATUS_OK != res)
574 OIC_LOG(ERROR, TAG, "send has failed");
578 else if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
580 res = CASendErrorMessage(pdu, blockWiseStatus,
581 CA_REQUEST_ENTITY_TOO_LARGE,
583 if (CA_STATUS_OK != res)
585 OIC_LOG(ERROR, TAG, "send has failed");
591 OIC_LOG_V(ERROR, TAG, "no logic [%d]", blockWiseStatus);
596 CAResult_t CASendBlockMessage(const coap_pdu_t *pdu, CAMessageType_t msgType,
597 uint8_t status, const CABlockDataID_t *blockID)
599 VERIFY_NON_NULL(pdu, TAG, "pdu");
600 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
601 VERIFY_NON_NULL(blockID, TAG, "blockID");
603 CAData_t *data = CAGetDataSetFromBlockDataList(blockID);
606 OIC_LOG(ERROR, TAG, "CAData is unavailable");
607 return CA_STATUS_FAILED;
610 if (CA_MSG_CONFIRM == msgType)
612 OIC_LOG(DEBUG, TAG, "need new msgID");
613 if (data->requestInfo)
615 data->requestInfo->info.messageId = 0;
618 if (data->responseInfo)
620 data->responseInfo->info.messageId = 0;
623 else if (CA_MSG_ACKNOWLEDGE == msgType)
625 if (data->responseInfo)
627 OIC_LOG(DEBUG, TAG, "set ACK message");
628 data->responseInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
629 data->responseInfo->info.type = CA_MSG_ACKNOWLEDGE;
630 if (CA_OPTION1_NO_ACK_LAST_BLOCK == status)
632 data->responseInfo->result = CA_CHANGED;
634 else if (CA_OPTION1_NO_ACK_BLOCK == status)
636 data->responseInfo->result = CA_CONTINUE;
641 // add data to send thread
642 CAResult_t res = CAAddSendThreadQueue(data, blockID);
643 if (CA_STATUS_OK != res)
645 OIC_LOG(ERROR, TAG, "add has failed");
651 CAResult_t CASendErrorMessage(const coap_pdu_t *pdu, uint8_t status,
652 CAResponseResult_t responseResult,
653 const CABlockDataID_t *blockID)
655 VERIFY_NON_NULL(pdu, TAG, "pdu");
656 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
657 VERIFY_NON_NULL(blockID, TAG, "blockID");
659 // create error responseInfo
660 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockID);
663 OIC_LOG(ERROR, TAG, "data is unavailable");
664 return CA_STATUS_FAILED;
667 CAData_t *cloneData = NULL;
668 if (data->sentData && data->sentData->responseInfo)
670 data->sentData->responseInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
671 data->sentData->responseInfo->info.type = CA_MSG_ACKNOWLEDGE;
672 data->sentData->responseInfo->result = responseResult;
673 cloneData = CACloneCAData(data->sentData);
676 OIC_LOG(ERROR, TAG, "clone has failed");
677 return CA_MEMORY_ALLOC_FAILED;
679 OIC_LOG(DEBUG, TAG, "set ACK message");
681 else if (data->sentData)
683 cloneData = CACreateNewDataSet(pdu, data->sentData->remoteEndpoint);
686 OIC_LOG(ERROR, TAG, PCF("CACreateNewDataSet failed"));
687 return CA_MEMORY_ALLOC_FAILED;
690 cloneData->responseInfo->info.type = CA_MSG_CONFIRM;
691 cloneData->responseInfo->result = responseResult;
692 OIC_LOG(DEBUG, TAG, "set CON message");
696 OIC_LOG(ERROR, TAG, "data has no sent-data");
697 return CA_MEMORY_ALLOC_FAILED;
700 // add data to send thread
701 if (g_context.sendThreadFunc)
703 ca_mutex_lock(g_context.blockDataSenderMutex);
704 g_context.sendThreadFunc(cloneData);
705 ca_mutex_unlock(g_context.blockDataSenderMutex);
709 CADestroyDataSet(cloneData);
712 // if error code is 4.08, remove the stored payload and initialize block number
713 if (CA_BLOCK_INCOMPLETE == status)
715 OICFree(data->payload);
716 data->payload = NULL;
717 data->payloadLength = 0;
718 data->receivedPayloadLen = 0;
719 data->block1.num = 0;
720 data->block2.num = 0;
726 CAResult_t CAReceiveLastBlock(const CABlockDataID_t *blockID,
727 const CAData_t *receivedData)
729 VERIFY_NON_NULL(blockID, TAG, "blockID");
730 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
732 // total block data have to notify to Application
733 CAData_t *cloneData = CACloneCAData(receivedData);
736 OIC_LOG(ERROR, TAG, "clone has failed");
737 return CA_MEMORY_ALLOC_FAILED;
741 size_t fullPayloadLen = 0;
742 CAPayload_t fullPayload = CAGetPayloadFromBlockDataList(blockID,
746 CAResult_t res = CAUpdatePayloadToCAData(cloneData, fullPayload, fullPayloadLen);
747 if (CA_STATUS_OK != res)
749 OIC_LOG(ERROR, TAG, "update has failed");
750 CADestroyDataSet(cloneData);
755 if (g_context.receivedThreadFunc)
757 g_context.receivedThreadFunc(cloneData);
761 CADestroyDataSet(cloneData);
767 // TODO make pdu const after libcoap is updated to support that.
768 CAResult_t CASetNextBlockOption1(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
769 const CAData_t *receivedData, coap_block_t block,
772 OIC_LOG(INFO, TAG, "CASetNextBlockOption1");
773 VERIFY_NON_NULL(pdu, TAG, "pdu");
774 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
775 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
776 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
778 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
780 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
781 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
782 pdu->hdr->coap_hdr_udp_t.token_length,
785 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
787 OIC_LOG(ERROR, TAG, "blockId is null");
788 CADestroyBlockID(blockDataID);
789 return CA_STATUS_FAILED;
792 // BlockData data is created if it not existed
793 if (!CAIsBlockDataInList(blockDataID))
795 OIC_LOG(DEBUG, TAG, "no message in list");
797 CAData_t *data = CACreateNewDataSet(pdu, endpoint);
800 OIC_LOG(ERROR, TAG, "data is null");
801 CADestroyBlockID(blockDataID);
802 return CA_STATUS_FAILED;
805 CABlockData_t *currData = CACreateNewBlockData(data);
808 OIC_LOG(ERROR, TAG, "currData is null");
809 CADestroyDataSet(data);
810 CADestroyBlockID(blockDataID);
811 return CA_STATUS_FAILED;
813 CADestroyDataSet(data);
816 // update BLOCK OPTION1 type
817 CAResult_t res = CAUpdateBlockOptionType(blockDataID,
819 if (CA_STATUS_OK != res)
821 OIC_LOG(ERROR, TAG, "update has failed");
822 CARemoveBlockDataFromList(blockDataID);
823 CADestroyBlockID(blockDataID);
827 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
830 OIC_LOG(ERROR, TAG, "getting has failed");
831 CADestroyBlockID(blockDataID);
832 return CA_STATUS_FAILED;
835 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
836 // received type from remote device
837 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
839 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
841 (CA_REQUEST_ENTITY_INCOMPLETE != code && CA_REQUEST_ENTITY_TOO_LARGE != code))
843 int isBlock2 = coap_get_block(pdu, COAP_OPTION_BLOCK2, &block);
846 OIC_LOG(INFO, TAG, "received data is combining block1 and block2");
847 // initialize block number for response message
848 data->block1.num = 0;
849 CADestroyBlockID(blockDataID);
854 OIC_LOG(INFO, TAG, "received data is not bulk data");
855 CAReceiveLastBlock(blockDataID, receivedData);
856 CARemoveBlockDataFromList(blockDataID);
857 CADestroyBlockID(blockDataID);
862 blockWiseStatus = CA_OPTION1_ACK;
863 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
864 if (CA_STATUS_OK != res)
866 OIC_LOG(ERROR, TAG, "update has failed");
867 CADestroyBlockID(blockDataID);
871 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
872 if (CA_STATUS_OK != res)
874 OIC_LOG(ERROR, TAG, "update has failed");
875 CARemoveBlockDataFromList(blockDataID);
876 CADestroyBlockID(blockDataID);
880 else // CON or NON message
882 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
884 // check the size option
885 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
887 &(data->payloadLength));
889 // check if received payload is exact
890 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
892 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
893 COAP_OPTION_BLOCK1, dataLen);
896 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
898 // store the received payload and merge
899 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
900 isSizeOption, COAP_OPTION_BLOCK1);
901 if (CA_STATUS_OK != res)
903 OIC_LOG(ERROR, TAG, "update has failed");
904 CARemoveBlockDataFromList(blockDataID);
905 CADestroyBlockID(blockDataID);
909 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
910 if (CA_STATUS_OK != res)
912 OIC_LOG(ERROR, TAG, "update has failed");
913 CARemoveBlockDataFromList(blockDataID);
914 CADestroyBlockID(blockDataID);
919 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
920 if (CA_STATUS_OK != res)
922 OIC_LOG(ERROR, TAG, "update has failed");
923 CARemoveBlockDataFromList(blockDataID);
924 CADestroyBlockID(blockDataID);
929 // check the blcok-wise transfer status for next step
930 if (CA_BLOCK_UNKNOWN == blockWiseStatus || CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
932 if (0 == block.m) // Last block is received
934 OIC_LOG(DEBUG, TAG, "M bit is 0");
935 blockWiseStatus = CA_OPTION1_NO_ACK_LAST_BLOCK;
939 OIC_LOG(DEBUG, TAG, "M bit is 1");
940 blockWiseStatus = CA_OPTION1_NO_ACK_BLOCK;
945 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
946 if (CA_STATUS_OK != res)
948 OIC_LOG(ERROR, TAG, "setting has failed");
949 CARemoveBlockDataFromList(blockDataID);
952 CADestroyBlockID(blockDataID);
956 // TODO make pdu const after libcoap is updated to support that.
957 CAResult_t CASetNextBlockOption2(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
958 const CAData_t *receivedData, coap_block_t block,
961 OIC_LOG(DEBUG, TAG, "CASetNextBlockOption2");
962 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
964 VERIFY_NON_NULL(pdu, TAG, "pdu");
965 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
966 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
967 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
969 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
970 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
971 pdu->hdr->coap_hdr_udp_t.token_length,
974 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
976 OIC_LOG(ERROR, TAG, "blockId is null");
977 CADestroyBlockID(blockDataID);
978 return CA_STATUS_FAILED;
981 // BlockData data is created if it not existed
982 if (!CAIsBlockDataInList(blockDataID))
984 OIC_LOG(DEBUG, TAG, "no msg in list.");
986 CAData_t *data = CACreateNewDataSet(pdu, endpoint);
989 OIC_LOG(ERROR, TAG, "data is null");
990 CADestroyBlockID(blockDataID);
991 return CA_STATUS_FAILED;
994 CABlockData_t *currData = CACreateNewBlockData(data);
997 OIC_LOG(ERROR, TAG, "data is null");
998 CADestroyDataSet(data);
999 CADestroyBlockID(blockDataID);
1000 return CA_STATUS_FAILED;
1002 CADestroyDataSet(data);
1005 // set Block Option Type
1006 CAResult_t res = CAUpdateBlockOptionType(blockDataID,
1007 COAP_OPTION_BLOCK2);
1008 if (CA_STATUS_OK != res)
1010 OIC_LOG(ERROR, TAG, "update has failed");
1011 CARemoveBlockDataFromList(blockDataID);
1012 CADestroyBlockID(blockDataID);
1016 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
1019 OIC_LOG(ERROR, TAG, "getting has failed");
1020 CARemoveBlockDataFromList(blockDataID);
1021 CADestroyBlockID(blockDataID);
1022 return CA_STATUS_FAILED;
1025 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
1026 if (0 == block.num && CA_GET == pdu->hdr->coap_hdr_udp_t.code && 0 == block.m)
1028 OIC_LOG(INFO, TAG, "first block number");
1030 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1031 if (CA_STATUS_OK != res)
1033 OIC_LOG(ERROR, TAG, "update has failed");
1034 CARemoveBlockDataFromList(blockDataID);
1035 CADestroyBlockID(blockDataID);
1039 // first block data have to notify to Application
1040 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1041 if (CA_STATUS_OK != res)
1043 OIC_LOG(ERROR, TAG, "update has failed");
1044 CARemoveBlockDataFromList(blockDataID);
1045 CADestroyBlockID(blockDataID);
1048 blockWiseStatus = CA_OPTION2_FIRST_BLOCK;
1052 // received type from remote device
1053 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type ||
1054 (CA_MSG_NONCONFIRM == pdu->hdr->coap_hdr_udp_t.type &&
1055 NULL != receivedData->responseInfo))
1057 OIC_LOG(DEBUG, TAG, "received ACK or NON");
1059 // check the size option
1060 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
1062 &(data->payloadLength));
1064 // check if received payload is exact
1065 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
1067 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
1068 COAP_OPTION_BLOCK2, dataLen);
1071 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
1073 // store the received payload and merge
1074 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
1075 isSizeOption, COAP_OPTION_BLOCK2);
1076 if (CA_STATUS_OK != res)
1078 OIC_LOG(ERROR, TAG, "update has failed");
1079 CARemoveBlockDataFromList(blockDataID);
1080 CADestroyBlockID(blockDataID);
1085 if (0 == block.m && CA_BLOCK_UNKNOWN == blockWiseStatus) // Last block is received
1087 OIC_LOG(DEBUG, TAG, "M bit is 0");
1088 blockWiseStatus = CA_OPTION2_LAST_BLOCK;
1092 if (CA_BLOCK_UNKNOWN == blockWiseStatus ||
1093 CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
1095 OIC_LOG(DEBUG, TAG, "M bit is 1");
1097 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
1099 blockWiseStatus = CA_OPTION2_ACK;
1103 blockWiseStatus = CA_OPTION2_NON;
1107 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2,
1109 if (CA_STATUS_OK != res)
1111 OIC_LOG(ERROR, TAG, "update has failed");
1112 CARemoveBlockDataFromList(blockDataID);
1113 CADestroyBlockID(blockDataID);
1117 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1118 if (CA_STATUS_OK != res)
1120 OIC_LOG(ERROR, TAG, "update has failed");
1121 CARemoveBlockDataFromList(blockDataID);
1122 CADestroyBlockID(blockDataID);
1127 else // CON message and so on.
1129 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
1131 blockWiseStatus = CA_OPTION2_CON;
1133 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1134 if (CA_STATUS_OK != res)
1136 OIC_LOG(ERROR, TAG, "update has failed");
1137 CARemoveBlockDataFromList(blockDataID);
1138 CADestroyBlockID(blockDataID);
1142 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1143 if (CA_STATUS_OK != res)
1145 OIC_LOG(ERROR, TAG, "update has failed");
1146 CARemoveBlockDataFromList(blockDataID);
1147 CADestroyBlockID(blockDataID);
1153 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
1154 if (CA_STATUS_OK != res)
1156 OIC_LOG(ERROR, TAG, "setting has failed");
1157 CARemoveBlockDataFromList(blockDataID);
1158 CADestroyBlockID(blockDataID);
1162 CADestroyBlockID(blockDataID);
1163 return CA_STATUS_OK;
1166 CAResult_t CAUpdateBlockOptionItems(CABlockData_t *currData, const coap_pdu_t *pdu,
1167 coap_block_t *block, uint16_t blockType,
1170 VERIFY_NON_NULL(currData, TAG, "currData");
1171 VERIFY_NON_NULL(pdu, TAG, "pdu");
1172 VERIFY_NON_NULL(block, TAG, "block");
1174 // update block data
1175 CAResult_t res = CA_STATUS_OK;
1176 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
1178 if (CA_REQUEST_ENTITY_INCOMPLETE == code || CA_REQUEST_ENTITY_TOO_LARGE == code)
1180 // response error code of the received block message
1181 res = CAHandleBlockErrorResponse(block, blockType, code);
1182 if (CA_STATUS_OK != res)
1184 OIC_LOG(ERROR, TAG, "error handle has failed");
1190 // update block option items
1193 case CA_OPTION1_ACK:
1194 if (currData->block1.num > block->num)
1196 OIC_LOG(ERROR, TAG, "received incorrect block num");
1197 return CA_STATUS_FAILED;
1201 case CA_OPTION2_NON:
1205 case CA_OPTION2_CON:
1208 case CA_OPTION2_ACK:
1209 if (currData->block2.num > block->num)
1211 OIC_LOG(ERROR, TAG, "received incorrect block num");
1212 return CA_STATUS_FAILED;
1217 case CA_BLOCK_TOO_LARGE:
1218 // if state of received block message is CA_BLOCK_TOO_LARGE or CA_BLOCK_INCOMPLETE
1219 // we set the response error code appropriately and send
1220 if (COAP_OPTION_BLOCK2 == blockType)
1224 block->szx = currData->block2.szx;
1228 block->szx = currData->block1.szx;
1232 OIC_LOG_V(ERROR, TAG, "no logic [%d]", status);
1235 if (CA_BLOCK_INCOMPLETE != status && CA_BLOCK_TOO_LARGE != status)
1237 // negotiate block size
1238 res = CANegotiateBlockSize(currData, block, pdu->hdr->coap_hdr_udp_t.type, blockType);
1239 if (CA_STATUS_OK != res)
1241 OIC_LOG(ERROR, TAG, "negotiation has failed");
1249 CAResult_t CAGetMoreBitFromBlock(size_t payloadLen, coap_block_t *block)
1251 VERIFY_NON_NULL(block, TAG, "block");
1253 if ((size_t)((block->num + 1) << (block->szx + BLOCK_NUMBER_IDX))
1256 OIC_LOG(DEBUG, TAG, "Set the M-bit(1)");
1261 OIC_LOG(DEBUG, TAG, "Set the M-bit(0)");
1265 return CA_STATUS_OK;
1268 CAResult_t CANegotiateBlockSize(CABlockData_t *currData, coap_block_t *block,
1269 CAMessageType_t msgType, uint16_t blockType)
1271 OIC_LOG(DEBUG, TAG, "IN-NegotiateBlockSize");
1273 VERIFY_NON_NULL(currData, TAG, "currData");
1274 VERIFY_NON_NULL(block, TAG, "block");
1276 // #1. check the block option type
1277 if (COAP_OPTION_BLOCK2 == blockType)
1279 // #2. check the message type
1280 if (CA_MSG_ACKNOWLEDGE == msgType)
1282 if (block->szx > currData->block2.szx)
1284 OIC_LOG(DEBUG, TAG, "sze is big");
1286 // #3. calculate new block number from block size
1287 unsigned int blockNum = BLOCK_SIZE(block->szx) /
1288 BLOCK_SIZE(currData->block2.szx) - 1;
1289 OIC_LOG(DEBUG, TAG, "num is set as Negotiation");
1290 block->num += blockNum;
1291 block->szx = currData->block2.szx;
1292 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1297 if (block->szx > currData->block2.szx)
1299 OIC_LOG(DEBUG, TAG, "sze is big");
1300 block->szx = currData->block2.szx;
1304 else if (COAP_OPTION_BLOCK1 == blockType)
1306 if (CA_MSG_ACKNOWLEDGE == msgType)
1308 if (block->szx < currData->block1.szx)
1310 OIC_LOG(DEBUG, TAG, "sze is small");
1312 unsigned int blockNum = BLOCK_SIZE(currData->block1.szx) /
1313 BLOCK_SIZE(block->szx) - 1;
1314 block->num += blockNum;
1315 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1320 if (block->szx > currData->block1.szx)
1322 OIC_LOG(DEBUG, TAG, "sze is big");
1323 block->szx = currData->block1.szx;
1329 OIC_LOG(DEBUG, TAG, "Invalid block option");
1330 return CA_STATUS_FAILED;
1333 OIC_LOG(DEBUG, TAG, "OUT-NegotiateBlockSize");
1335 return CA_STATUS_OK;
1338 CAResult_t CAUpdateBlockData(CABlockData_t *currData, coap_block_t block,
1341 VERIFY_NON_NULL(currData, TAG, "currData");
1343 // check if block size is bigger than CABlockSize_t
1344 if (block.szx > CA_BLOCK_SIZE_1024_BYTE)
1346 OIC_LOG(DEBUG, TAG, "invalid block szx");
1347 return CA_STATUS_FAILED;
1350 // update block option
1351 if (COAP_OPTION_BLOCK2 == blockType)
1353 currData->block2 = block;
1357 currData->block1 = block;
1360 OIC_LOG(DEBUG, TAG, "data has updated");
1361 return CA_STATUS_OK;
1364 CAResult_t CAUpdateMessageId(coap_pdu_t *pdu, const CABlockDataID_t *blockID)
1366 VERIFY_NON_NULL(pdu, TAG, "pdu");
1367 VERIFY_NON_NULL(blockID, TAG, "blockID");
1369 // if CON message is sent, update messageId in block-wise transfer list
1370 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
1372 CAData_t * cadata = CAGetDataSetFromBlockDataList(blockID);
1375 OIC_LOG(ERROR, TAG, "CAData is unavailable");
1376 return CA_STATUS_FAILED;
1379 if (cadata->requestInfo)
1381 cadata->requestInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
1385 return CA_STATUS_OK;
1388 CAResult_t CAAddBlockOption(coap_pdu_t **pdu, const CAInfo_t *info,
1389 const CAEndpoint_t *endpoint, coap_list_t **options)
1391 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption");
1392 VERIFY_NON_NULL(pdu, TAG, "pdu");
1393 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1394 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1395 VERIFY_NON_NULL(info, TAG, "info");
1396 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
1397 VERIFY_NON_NULL(options, TAG, "options");
1399 size_t dataLength = 0;
1402 dataLength = info->payloadSize;
1403 OIC_LOG_V(DEBUG, TAG, "dataLength - %d", dataLength);
1406 OIC_LOG_V(DEBUG, TAG, "previous payload - %s", (*pdu)->data);
1408 CAResult_t res = CA_STATUS_OK;
1409 uint32_t code = CA_RESPONSE_CODE((*pdu)->hdr->coap_hdr_udp_t.code);
1410 if (CA_REQUEST_ENTITY_INCOMPLETE == code)
1412 OIC_LOG(INFO, TAG, "don't use option");
1416 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
1417 (CAToken_t)(*pdu)->hdr->coap_hdr_udp_t.token,
1418 (*pdu)->hdr->coap_hdr_udp_t.token_length,
1421 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
1423 OIC_LOG(ERROR, TAG, "blockId is null");
1424 res = CA_STATUS_FAILED;
1428 uint8_t blockType = CAGetBlockOptionType(blockDataID);
1429 if (COAP_OPTION_BLOCK2 == blockType)
1431 res = CAAddBlockOption2(pdu, info, dataLength, blockDataID, options);
1432 if (CA_STATUS_OK != res)
1434 OIC_LOG(ERROR, TAG, "add has failed");
1438 else if (COAP_OPTION_BLOCK1 == blockType)
1440 res = CAAddBlockOption1(pdu, info, dataLength, blockDataID, options);
1441 if (CA_STATUS_OK != res)
1443 OIC_LOG(ERROR, TAG, "add has failed");
1449 OIC_LOG(DEBUG, TAG, "no BLOCK option");
1451 // in case it is not large data, add option list to pdu.
1454 for (coap_list_t *opt = *options; opt; opt = opt->next)
1456 OIC_LOG_V(DEBUG, TAG, "[%s] opt will be added.",
1457 COAP_OPTION_DATA(*(coap_option *) opt->data));
1459 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length", (*pdu)->length);
1460 coap_add_option(*pdu, COAP_OPTION_KEY(*(coap_option *) opt->data),
1461 COAP_OPTION_LENGTH(*(coap_option *) opt->data),
1462 COAP_OPTION_DATA(*(coap_option *) opt->data), coap_udp);
1466 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length after option", (*pdu)->length);
1468 // if response data is so large. it have to send as block transfer
1469 if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info->payload))
1471 OIC_LOG(INFO, TAG, "it have to use block");
1475 OIC_LOG(INFO, TAG, "not Blockwise Transfer");
1480 // if received message type is RESET from remote device,
1481 // we have to use the updated message id to find token.
1482 res = CAUpdateMessageId(*pdu, blockDataID);
1483 if (CA_STATUS_OK != res)
1485 OIC_LOG(ERROR, TAG, "fail to update CON message id ");
1490 if (CA_ADAPTER_IP == endpoint->adapter && 0 == endpoint->port)
1492 CARemoveBlockDataFromList(blockDataID);
1494 CADestroyBlockID(blockDataID);
1495 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption");
1499 CAResult_t CAAddBlockOption2(coap_pdu_t **pdu, const CAInfo_t *info, size_t dataLength,
1500 const CABlockDataID_t *blockID, coap_list_t **options)
1502 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption2");
1503 VERIFY_NON_NULL(pdu, TAG, "pdu");
1504 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1505 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1506 VERIFY_NON_NULL(info, TAG, "info");
1507 VERIFY_NON_NULL(blockID, TAG, "blockID");
1508 VERIFY_NON_NULL(options, TAG, "options");
1510 // get set block data from CABlock list-set.
1511 coap_block_t *block1 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK1);
1512 coap_block_t *block2 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK2);
1513 if (!block1 || !block2)
1515 OIC_LOG(ERROR, TAG, "getting has failed");
1516 return CA_STATUS_FAILED;
1519 CALogBlockInfo(block2);
1522 if (CA_MSG_ACKNOWLEDGE == (*pdu)->hdr->coap_hdr_udp_t.type ||
1523 (CA_MSG_NONCONFIRM == (*pdu)->hdr->coap_hdr_udp_t.type &&
1524 CA_GET != (*pdu)->hdr->coap_hdr_udp_t.code))
1526 CAGetMoreBitFromBlock(dataLength, block2);
1527 CALogBlockInfo(block2);
1529 // if block number is 0, add size2 option
1530 if (0 == block2->num)
1532 CAResult_t res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE2, dataLength, options);
1533 if (CA_STATUS_OK != res)
1535 OIC_LOG(ERROR, TAG, "add has failed");
1536 CARemoveBlockDataFromList(blockID);
1541 CAResult_t res = CAAddBlockOptionImpl(block2, COAP_OPTION_BLOCK2, options);
1542 if (CA_STATUS_OK != res)
1544 OIC_LOG(ERROR, TAG, "add has failed");
1545 CARemoveBlockDataFromList(blockID);
1551 OIC_LOG(DEBUG, TAG, "combining block1 and block2");
1552 res = CAAddBlockOptionImpl(block1, COAP_OPTION_BLOCK1, options);
1553 if (CA_STATUS_OK != res)
1555 OIC_LOG(ERROR, TAG, "add has failed");
1556 CARemoveBlockDataFromList(blockID);
1559 // initialize block number
1563 res = CAAddOptionToPDU(*pdu, options);
1564 if (CA_STATUS_OK != res)
1566 OIC_LOG(ERROR, TAG, "add has failed");
1567 CARemoveBlockDataFromList(blockID);
1571 if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info->payload,
1572 block2->num, block2->szx))
1574 OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
1575 return CA_STATUS_FAILED;
1580 // if sent message is last response block message, remove data
1581 CARemoveBlockDataFromList(blockID);
1585 if (CA_MSG_NONCONFIRM == (*pdu)->hdr->coap_hdr_udp_t.type)
1587 OIC_LOG(DEBUG, TAG, "NON, send next block..");
1588 // update block data
1590 CAResult_t res = CAProcessNextStep(*pdu, NULL,
1591 CA_SENT_PREVIOUS_NON_MSG,
1593 if (CA_STATUS_OK != res)
1595 OIC_LOG(ERROR, TAG, "failed to process next step");
1596 CARemoveBlockDataFromList(blockID);
1604 OIC_LOG(DEBUG, TAG, "option2, not ACK msg");
1605 CAResult_t res = CAAddBlockOptionImpl(block2, COAP_OPTION_BLOCK2, options);
1606 if (CA_STATUS_OK != res)
1608 OIC_LOG(ERROR, TAG, "add has failed");
1609 CARemoveBlockDataFromList(blockID);
1613 res = CAAddOptionToPDU(*pdu, options);
1614 if (CA_STATUS_OK != res)
1616 OIC_LOG(ERROR, TAG, "add has failed");
1617 CARemoveBlockDataFromList(blockID);
1622 return CA_STATUS_OK;
1625 OIC_LOG_V(ERROR, TAG, "error : %d", code);
1627 char* phrase = coap_response_phrase(code);
1630 coap_add_data(*pdu, strlen(phrase),
1631 (unsigned char *) phrase);
1633 return CA_STATUS_FAILED;
1636 CAResult_t CAAddBlockOption1(coap_pdu_t **pdu, const CAInfo_t *info, size_t dataLength,
1637 const CABlockDataID_t *blockID, coap_list_t **options)
1639 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption1");
1640 VERIFY_NON_NULL(pdu, TAG, "pdu");
1641 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1642 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1643 VERIFY_NON_NULL(info, TAG, "info");
1644 VERIFY_NON_NULL(blockID, TAG, "blockID");
1645 VERIFY_NON_NULL(options, TAG, "options");
1647 // get set block data from CABlock list-set.
1648 coap_block_t *block1 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK1);
1651 OIC_LOG(ERROR, TAG, "getting has failed");
1652 return CA_STATUS_FAILED;
1655 CALogBlockInfo(block1);
1657 if (CA_MSG_ACKNOWLEDGE == (*pdu)->hdr->coap_hdr_udp_t.type)
1659 OIC_LOG(DEBUG, TAG, "option1 and ACK msg..");
1660 CAResult_t res = CAAddBlockOptionImpl(block1, COAP_OPTION_BLOCK1, options);
1661 if (CA_STATUS_OK != res)
1663 OIC_LOG(ERROR, TAG, "add has failed");
1664 CARemoveBlockDataFromList(blockID);
1668 res = CAAddOptionToPDU(*pdu, options);
1669 if (CA_STATUS_OK != res)
1671 OIC_LOG(ERROR, TAG, "add has failed");
1672 CARemoveBlockDataFromList(blockID);
1676 if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info->payload))
1678 OIC_LOG(ERROR, TAG, "failed to add payload");
1679 return CA_STATUS_FAILED;
1682 // reset block-list after write block
1685 // remove data from list
1686 CAResult_t res = CARemoveBlockDataFromList(blockID);
1687 if (CA_STATUS_OK != res)
1689 OIC_LOG(ERROR, TAG, "remove has failed");
1696 CAGetMoreBitFromBlock(dataLength, block1);
1698 CAResult_t res = CA_STATUS_OK;
1699 // if block number is 0, add size1 option
1700 if (0 == block1->num)
1702 res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE1, dataLength, options);
1703 if (CA_STATUS_OK != res)
1705 OIC_LOG(ERROR, TAG, "add has failed");
1706 CARemoveBlockDataFromList(blockID);
1711 res = CAAddBlockOptionImpl(block1, COAP_OPTION_BLOCK1, options);
1712 if (CA_STATUS_OK != res)
1714 OIC_LOG(ERROR, TAG, "add has failed");
1715 CARemoveBlockDataFromList(blockID);
1719 res = CAAddOptionToPDU(*pdu, options);
1720 if (CA_STATUS_OK != res)
1722 OIC_LOG(ERROR, TAG, "add has failed");
1723 CARemoveBlockDataFromList(blockID);
1727 CALogBlockInfo(block1);
1729 if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info->payload,
1730 block1->num, block1->szx))
1732 OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
1733 return CA_STATUS_FAILED;
1736 // check the message type and if message type is NON, next block message will be sent
1737 if (CA_MSG_NONCONFIRM == (*pdu)->hdr->coap_hdr_udp_t.type)
1741 OIC_LOG(DEBUG, TAG, "NON, send next block..");
1742 // update block data
1744 CAResult_t res = CAProcessNextStep(*pdu, NULL,
1745 CA_SENT_PREVIOUS_NON_MSG,
1747 if (CA_STATUS_OK != res)
1749 OIC_LOG(ERROR, TAG, "failed to process next step");
1750 CARemoveBlockDataFromList(blockID);
1756 CARemoveBlockDataFromList(blockID);
1761 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption1");
1763 return CA_STATUS_OK;
1766 CAResult_t CAAddBlockOptionImpl(coap_block_t *block, uint8_t blockType,
1767 coap_list_t **options)
1769 OIC_LOG(DEBUG, TAG, "IN-AddBlockOptionImpl");
1770 VERIFY_NON_NULL(block, TAG, "block");
1771 VERIFY_NON_NULL(options, TAG, "options");
1773 unsigned char buf[BLOCKWISE_OPTION_BUFFER] = { 0 };
1774 unsigned int optionLength = coap_encode_var_bytes(buf,
1775 ((block->num << BLOCK_NUMBER_IDX)
1776 | (block->m << BLOCK_M_BIT_IDX)
1779 int ret = coap_insert(options,
1780 CACreateNewOptionNode(blockType, optionLength, (char *) buf),
1784 return CA_STATUS_INVALID_PARAM;
1787 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOptionImpl");
1788 return CA_STATUS_OK;
1791 CAResult_t CAAddOptionToPDU(coap_pdu_t *pdu, coap_list_t **options)
1793 // after adding the block option to option list, add option list to pdu.
1796 for (coap_list_t *opt = *options; opt; opt = opt->next)
1798 OIC_LOG_V(DEBUG, TAG, "[%s] opt will be added.",
1799 COAP_OPTION_DATA(*(coap_option *) opt->data));
1801 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length", pdu->length);
1802 int ret = coap_add_option(pdu, COAP_OPTION_KEY(*(coap_option *) opt->data),
1803 COAP_OPTION_LENGTH(*(coap_option *) opt->data),
1804 COAP_OPTION_DATA(*(coap_option *) opt->data), coap_udp);
1807 return CA_STATUS_FAILED;
1812 OIC_LOG_V(DEBUG, TAG, "[%d] pdu length after option", pdu->length);
1814 return CA_STATUS_OK;
1817 CAResult_t CAAddBlockSizeOption(coap_pdu_t *pdu, uint16_t sizeType, size_t dataLength,
1818 coap_list_t **options)
1820 OIC_LOG(DEBUG, TAG, "IN-CAAddBlockSizeOption");
1821 VERIFY_NON_NULL(pdu, TAG, "pdu");
1822 VERIFY_NON_NULL(options, TAG, "options");
1824 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1826 OIC_LOG(ERROR, TAG, "unknown option type");
1827 return CA_STATUS_FAILED;
1830 unsigned char value[BLOCKWISE_OPTION_BUFFER] = { 0 };
1831 unsigned int optionLength = coap_encode_var_bytes(value, dataLength);
1833 int ret = coap_insert(options,
1834 CACreateNewOptionNode(sizeType, optionLength, (char *) value),
1838 return CA_STATUS_INVALID_PARAM;
1841 OIC_LOG(DEBUG, TAG, "OUT-CAAddBlockSizeOption");
1843 return CA_STATUS_OK;
1846 // TODO make pdu const after libcoap is updated to support that.
1847 bool CAIsPayloadLengthInPduWithBlockSizeOption(coap_pdu_t *pdu,
1849 size_t *totalPayloadLen)
1851 OIC_LOG(DEBUG, TAG, "IN-CAIsPayloadLengthInPduWithBlockSizeOption");
1852 VERIFY_NON_NULL(pdu, TAG, "pdu");
1853 VERIFY_NON_NULL(totalPayloadLen, TAG, "totalPayloadLen");
1855 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1857 OIC_LOG(ERROR, TAG, "unknown option type");
1858 return CA_STATUS_FAILED;
1861 coap_opt_iterator_t opt_iter;
1862 coap_opt_t *option = coap_check_option(pdu, sizeType, &opt_iter);
1865 OIC_LOG(DEBUG, TAG, "get size option from pdu");
1866 *totalPayloadLen = coap_decode_var_bytes(COAP_OPT_VALUE(option),
1867 COAP_OPT_LENGTH(option));
1869 OIC_LOG_V(DEBUG, TAG, "the total payload length to be received is [%d]bytes",
1875 OIC_LOG(DEBUG, TAG, "OUT-CAIsPayloadLengthInPduWithBlockSizeOption");
1880 uint8_t CACheckBlockErrorType(CABlockData_t *currData, coap_block_t *receivedBlock,
1881 const CAData_t *receivedData, uint16_t blockType,
1884 OIC_LOG(DEBUG, TAG, "IN-CheckBlockError");
1886 VERIFY_NON_NULL(currData, TAG, "currData is NULL");
1887 VERIFY_NON_NULL(receivedBlock, TAG, "receivedBlock is NULL");
1888 VERIFY_NON_NULL(receivedData, TAG, "receivedData is NULL");
1890 // #1. check the received payload length
1891 size_t blockPayloadLen = 0;
1892 CAGetPayloadInfo(receivedData, &blockPayloadLen);
1894 // #2. check if the block sequence is right
1895 if (COAP_OPTION_BLOCK1 == blockType)
1897 size_t prePayloadLen = currData->receivedPayloadLen;
1898 if (prePayloadLen != (size_t)BLOCK_SIZE(receivedBlock->szx)
1899 * receivedBlock->num)
1901 if (receivedBlock->num > currData->block1.num + 1)
1903 // 408 Error handling of block loss
1904 OIC_LOG(ERROR, TAG, "option1: error 4.08");
1905 OIC_LOG(ERROR, TAG, "it didn't order");
1906 return CA_BLOCK_INCOMPLETE;
1908 return CA_BLOCK_RECEIVED_ALREADY;
1911 else if (COAP_OPTION_BLOCK2 == blockType)
1913 if (receivedBlock->num != currData->block2.num)
1915 if (receivedBlock->num > currData->block2.num)
1917 // 408 Error handling of block loss
1918 OIC_LOG(ERROR, TAG, "option2: error 4.08");
1919 OIC_LOG(ERROR, TAG, "it didn't order");
1920 return CA_BLOCK_INCOMPLETE;
1922 return CA_BLOCK_RECEIVED_ALREADY;
1926 // #3. check if error check logic is required
1927 size_t optionLen = dataLen - blockPayloadLen;
1928 if (receivedBlock->m && blockPayloadLen !=
1929 (size_t)BLOCK_SIZE(receivedBlock->szx))
1931 // 413 Error handling of too large entity
1932 if (COAP_MAX_PDU_SIZE < BLOCK_SIZE(receivedBlock->szx) + optionLen)
1934 // buffer size is smaller than received block size
1935 OIC_LOG(ERROR, TAG, "error type 4.13");
1936 OIC_LOG(ERROR, TAG, "too large size");
1938 // set the block size to be smaller than COAP_MAX_PDU_SIZE
1939 for (int32_t size = CA_DEFAULT_BLOCK_SIZE; size >= 0; size--)
1941 if (COAP_MAX_PDU_SIZE >= BLOCK_SIZE(size) + optionLen)
1943 OIC_LOG_V(ERROR, TAG, "replace sze with %d", size);
1944 if (COAP_OPTION_BLOCK2 == blockType)
1946 currData->block2.szx = size;
1950 currData->block1.szx = size;
1955 return CA_BLOCK_TOO_LARGE;
1959 // 408 Error handling of payload loss
1960 OIC_LOG(ERROR, TAG, "error type 4.08");
1961 OIC_LOG(ERROR, TAG, "payload len != block sze");
1962 return CA_BLOCK_INCOMPLETE;
1965 else if (0 == receivedBlock->m && 0 != currData->payloadLength)
1967 // if the received block is last block, check the total payload length
1968 size_t receivedPayloadLen = currData->receivedPayloadLen;
1969 receivedPayloadLen += blockPayloadLen;
1971 if (receivedPayloadLen != currData->payloadLength)
1973 OIC_LOG(ERROR, TAG, "error type 4.08");
1974 OIC_LOG(ERROR, TAG, "total payload length is wrong");
1975 return CA_BLOCK_INCOMPLETE;
1979 OIC_LOG(DEBUG, TAG, "received all data normally");
1981 OIC_LOG(DEBUG, TAG, "OUT-CheckBlockError");
1983 return CA_BLOCK_UNKNOWN;
1986 CAResult_t CAUpdatePayloadData(CABlockData_t *currData, const CAData_t *receivedData,
1987 uint8_t status, bool isSizeOption, uint16_t blockType)
1989 OIC_LOG(DEBUG, TAG, "IN-UpdatePayloadData");
1991 VERIFY_NON_NULL(currData, TAG, "currData");
1992 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
1994 // if error code is 4.08, do not update payload
1995 if (CA_BLOCK_INCOMPLETE == status)
1997 OIC_LOG(ERROR, TAG, "no require to update");
1998 return CA_STATUS_OK;
2001 size_t blockPayloadLen = 0;
2002 CAPayload_t blockPayload = CAGetPayloadInfo(receivedData, &blockPayloadLen);
2004 if (CA_BLOCK_TOO_LARGE == status)
2006 blockPayloadLen = (COAP_OPTION_BLOCK2 == blockType) ?
2007 BLOCK_SIZE(currData->block2.szx) : BLOCK_SIZE(currData->block1.szx);
2010 // memory allocation for the received block payload
2011 size_t prePayloadLen = currData->receivedPayloadLen;
2014 if (currData->payloadLength)
2016 // in case the block message has the size option
2017 // allocate the memory for the total payload
2020 CAPayload_t prePayload = currData->payload;
2022 OIC_LOG(DEBUG, TAG, "allocate memory for the total payload");
2023 currData->payload = (CAPayload_t) OICCalloc(1, currData->payloadLength);
2024 if (NULL == currData->payload)
2026 OIC_LOG(ERROR, TAG, "out of memory");
2027 return CA_MEMORY_ALLOC_FAILED;
2029 memcpy(currData->payload, prePayload, prePayloadLen);
2030 OICFree(prePayload);
2033 // update the total payload
2034 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
2038 OIC_LOG(DEBUG, TAG, "allocate memory for the received block payload");
2040 size_t totalPayloadLen = prePayloadLen + blockPayloadLen;
2041 CAPayload_t newPayload = OICRealloc(currData->payload, totalPayloadLen);
2042 if (NULL == newPayload)
2044 OIC_LOG(ERROR, TAG, "out of memory");
2045 return CA_MEMORY_ALLOC_FAILED;
2048 // update the total payload
2049 memset(newPayload + prePayloadLen, 0, blockPayloadLen);
2050 currData->payload = newPayload;
2051 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
2054 // update received payload length
2055 currData->receivedPayloadLen += blockPayloadLen;
2057 OIC_LOG_V(DEBUG, TAG, "updated payload: %s, len: %d", currData->payload,
2058 currData->receivedPayloadLen);
2061 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayloadData");
2062 return CA_STATUS_OK;
2065 CAData_t* CACreateNewDataSet(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint)
2067 VERIFY_NON_NULL_RET(pdu, TAG, "pdu", NULL);
2068 VERIFY_NON_NULL_RET(pdu->hdr, TAG, "pdu->hdr", NULL);
2069 VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
2071 CAInfo_t responseData = { .tokenLength = pdu->hdr->coap_hdr_udp_t.token_length };
2072 responseData.token = (CAToken_t) OICMalloc(responseData.tokenLength);
2073 if (!responseData.token)
2075 OIC_LOG(ERROR, TAG, "out of memory");
2078 memcpy(responseData.token, pdu->hdr->coap_hdr_udp_t.token, responseData.tokenLength);
2080 CAResponseInfo_t* responseInfo = (CAResponseInfo_t*) OICCalloc(1, sizeof(CAResponseInfo_t));
2083 OIC_LOG(ERROR, TAG, "out of memory");
2084 OICFree(responseData.token);
2087 responseInfo->info = responseData;
2089 CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
2092 OIC_LOG(ERROR, TAG, "out of memory");
2093 OICFree(responseInfo);
2097 data->requestInfo = NULL;
2098 data->responseInfo = responseInfo;
2099 data->remoteEndpoint = CACloneEndpoint(endpoint);
2100 data->type = SEND_TYPE_UNICAST;
2105 CAData_t *CACloneCAData(const CAData_t *data)
2107 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2109 CAData_t *clone = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
2112 OIC_LOG(ERROR, TAG, "out of memory");
2117 if (data->requestInfo)
2119 clone->requestInfo = CACloneRequestInfo(data->requestInfo);
2122 if (data->responseInfo)
2124 clone->responseInfo = CACloneResponseInfo(data->responseInfo);
2127 if (data->remoteEndpoint)
2129 clone->remoteEndpoint = CACloneEndpoint(data->remoteEndpoint);
2135 CAResult_t CAUpdatePayloadToCAData(CAData_t *data, const CAPayload_t payload,
2138 OIC_LOG(DEBUG, TAG, "IN-UpdatePayload");
2140 VERIFY_NON_NULL(data, TAG, "data is NULL");
2141 VERIFY_NON_NULL(payload, TAG, "payload is NULL");
2143 CAPayload_t newPayload = NULL;
2144 switch (data->dataType)
2146 case CA_REQUEST_DATA:
2147 // allocate payload field
2148 newPayload = OICRealloc(data->requestInfo->info.payload, payloadLen);
2151 OIC_LOG(ERROR, TAG, "out of memory");
2152 return CA_STATUS_FAILED;
2154 data->requestInfo->info.payload = newPayload;
2155 memcpy(data->requestInfo->info.payload, payload, payloadLen);
2156 data->requestInfo->info.payloadSize = payloadLen;
2159 case CA_RESPONSE_DATA:
2160 // allocate payload field
2161 newPayload = OICRealloc(data->responseInfo->info.payload, payloadLen);
2164 OIC_LOG(ERROR, TAG, "out of memory");
2165 return CA_STATUS_FAILED;
2167 data->responseInfo->info.payload = newPayload;
2168 memcpy(data->responseInfo->info.payload, payload, payloadLen);
2169 data->responseInfo->info.payloadSize = payloadLen;
2173 // does not occur case
2174 OIC_LOG(ERROR, TAG, "not supported data type");
2175 return CA_NOT_SUPPORTED;
2178 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayload");
2180 return CA_STATUS_OK;
2183 CAPayload_t CAGetPayloadInfo(const CAData_t *data, size_t *payloadLen)
2185 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2186 VERIFY_NON_NULL_RET(payloadLen, TAG, "payloadLen", NULL);
2188 if (data->requestInfo)
2190 if (data->requestInfo->info.payload)
2192 *payloadLen = data->requestInfo->info.payloadSize;
2193 return data->requestInfo->info.payload;
2198 if (data->responseInfo->info.payload)
2200 *payloadLen = data->responseInfo->info.payloadSize;
2201 return data->responseInfo->info.payload;
2208 CAResult_t CAHandleBlockErrorResponse(coap_block_t *block, uint16_t blockType,
2209 uint32_t responseResult)
2211 OIC_LOG(DEBUG, TAG, "IN-HandleBlockErrorRes");
2212 VERIFY_NON_NULL(block, TAG, "block is NULL");
2214 // update block data
2215 switch (responseResult)
2217 case CA_REQUEST_ENTITY_INCOMPLETE:
2220 case CA_REQUEST_ENTITY_TOO_LARGE:
2221 if (COAP_OPTION_BLOCK1 == blockType)
2228 OIC_LOG_V(ERROR, TAG, "there is no Error Code of BWT[%d]", responseResult);
2231 OIC_LOG(DEBUG, TAG, "OUT-HandleBlockErrorRes");
2232 return CA_STATUS_OK;
2235 CAResult_t CAUpdateBlockOptionType(const CABlockDataID_t *blockID,
2238 OIC_LOG(DEBUG, TAG, "IN-UpdateBlockOptionType");
2239 VERIFY_NON_NULL(blockID, TAG, "blockID");
2241 ca_mutex_lock(g_context.blockDataListMutex);
2243 size_t len = u_arraylist_length(g_context.dataList);
2244 for (size_t i = 0; i < len; i++)
2246 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2247 if (CABlockidMatches(currData, blockID))
2249 currData->type = blockType;
2250 ca_mutex_unlock(g_context.blockDataListMutex);
2251 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2252 return CA_STATUS_OK;
2255 ca_mutex_unlock(g_context.blockDataListMutex);
2257 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2258 return CA_STATUS_FAILED;
2261 uint8_t CAGetBlockOptionType(const CABlockDataID_t *blockID)
2263 OIC_LOG(DEBUG, TAG, "IN-GetBlockOptionType");
2264 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", 0);
2266 ca_mutex_lock(g_context.blockDataListMutex);
2268 size_t len = u_arraylist_length(g_context.dataList);
2269 for (size_t i = 0; i < len; i++)
2271 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2272 if (CABlockidMatches(currData, blockID))
2274 ca_mutex_unlock(g_context.blockDataListMutex);
2275 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2276 return currData->type;
2279 ca_mutex_unlock(g_context.blockDataListMutex);
2281 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2285 CAData_t *CAGetDataSetFromBlockDataList(const CABlockDataID_t *blockID)
2287 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2289 ca_mutex_lock(g_context.blockDataListMutex);
2291 size_t len = u_arraylist_length(g_context.dataList);
2292 for (size_t i = 0; i < len; i++)
2294 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2295 if (CABlockidMatches(currData, blockID))
2297 ca_mutex_unlock(g_context.blockDataListMutex);
2298 return currData->sentData;
2301 ca_mutex_unlock(g_context.blockDataListMutex);
2306 CAResult_t CAGetTokenFromBlockDataList(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
2307 CAResponseInfo_t *responseInfo)
2309 OIC_LOG(DEBUG, TAG, "IN-CAGetTokenFromBlockDataList");
2310 VERIFY_NON_NULL(pdu, TAG, "pdu");
2311 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
2312 VERIFY_NON_NULL(responseInfo, TAG, "responseInfo");
2314 ca_mutex_lock(g_context.blockDataListMutex);
2316 size_t len = u_arraylist_length(g_context.dataList);
2317 for (size_t i = 0; i < len; i++)
2319 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2320 if (NULL == currData)
2325 if (NULL != currData->sentData && NULL != currData->sentData->requestInfo)
2327 if (pdu->hdr->coap_hdr_udp_t.id == currData->sentData->requestInfo->info.messageId &&
2328 endpoint->adapter == currData->sentData->remoteEndpoint->adapter)
2330 if (NULL != currData->sentData->requestInfo->info.token)
2332 uint8_t length = currData->sentData->requestInfo->info.tokenLength;
2333 responseInfo->info.tokenLength = length;
2334 responseInfo->info.token = (char *) OICMalloc(length);
2335 if (NULL == responseInfo->info.token)
2337 OIC_LOG(ERROR, TAG, "out of memory");
2338 ca_mutex_unlock(g_context.blockDataListMutex);
2339 return CA_MEMORY_ALLOC_FAILED;
2341 memcpy(responseInfo->info.token, currData->sentData->requestInfo->info.token,
2342 responseInfo->info.tokenLength);
2344 ca_mutex_unlock(g_context.blockDataListMutex);
2345 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2346 return CA_STATUS_OK;
2352 ca_mutex_unlock(g_context.blockDataListMutex);
2354 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2355 return CA_STATUS_OK;
2358 CAResult_t CACheckBlockDataValidation(const CAData_t *sendData, CABlockData_t **blockData)
2360 VERIFY_NON_NULL(sendData, TAG, "sendData");
2361 VERIFY_NON_NULL(blockData, TAG, "blockData");
2363 ca_mutex_lock(g_context.blockDataListMutex);
2365 size_t len = u_arraylist_length(g_context.dataList);
2366 for (size_t i = 0; i < len; i++)
2368 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2375 if (sendData->requestInfo) // sendData is requestMessage
2377 OIC_LOG(DEBUG, TAG, "Send request");
2378 if (NULL != currData->blockDataId
2379 && NULL != currData->blockDataId->id
2380 && currData->blockDataId->idLength > 0
2381 && NULL != sendData->requestInfo->info.token)
2383 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2384 (CAToken_t)sendData->requestInfo->info.token,
2385 sendData->requestInfo->info.tokenLength,
2386 sendData->remoteEndpoint->port);
2388 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2390 OIC_LOG(ERROR, TAG, "blockId is null");
2391 CADestroyBlockID(blockDataID);
2392 return CA_STATUS_FAILED;
2395 if (CABlockidMatches(currData, blockDataID))
2397 OIC_LOG(ERROR, TAG, "already sent");
2398 CADestroyBlockID(blockDataID);
2401 CADestroyBlockID(blockDataID);
2404 else if (sendData->responseInfo) // sendData is responseMessage
2406 OIC_LOG(DEBUG, TAG, "Send response");
2407 if (NULL != currData->blockDataId
2408 && NULL != currData->blockDataId->id
2409 && currData->blockDataId->idLength > 0
2410 && NULL != sendData->responseInfo->info.token)
2412 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2413 (CAToken_t)sendData->responseInfo->info.token,
2414 sendData->responseInfo->info.tokenLength,
2415 sendData->remoteEndpoint->port);
2417 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2419 OIC_LOG(ERROR, TAG, "blockId is null");
2420 CADestroyBlockID(blockDataID);
2421 return CA_STATUS_FAILED;
2424 if (CABlockidMatches(currData, blockDataID))
2427 if (NULL != currData->sentData)
2429 OIC_LOG(DEBUG, TAG, "init block number");
2430 CADestroyDataSet(currData->sentData);
2432 currData->sentData = CACloneCAData(sendData);
2433 *blockData = currData;
2434 CADestroyBlockID(blockDataID);
2435 ca_mutex_unlock(g_context.blockDataListMutex);
2436 return CA_STATUS_OK;
2438 CADestroyBlockID(blockDataID);
2443 OIC_LOG(ERROR, TAG, "no CAInfo data");
2447 ca_mutex_unlock(g_context.blockDataListMutex);
2449 return CA_STATUS_FAILED;
2452 CABlockData_t *CAGetBlockDataFromBlockDataList(const CABlockDataID_t *blockID)
2454 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2456 ca_mutex_lock(g_context.blockDataListMutex);
2458 size_t len = u_arraylist_length(g_context.dataList);
2459 for (size_t i = 0; i < len; i++)
2461 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2462 if (CABlockidMatches(currData, blockID))
2464 ca_mutex_unlock(g_context.blockDataListMutex);
2468 ca_mutex_unlock(g_context.blockDataListMutex);
2473 coap_block_t *CAGetBlockOption(const CABlockDataID_t *blockID,
2476 OIC_LOG(DEBUG, TAG, "IN-GetBlockOption");
2477 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2479 ca_mutex_lock(g_context.blockDataListMutex);
2481 size_t len = u_arraylist_length(g_context.dataList);
2482 for (size_t i = 0; i < len; i++)
2484 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2485 if (CABlockidMatches(currData, blockID))
2487 ca_mutex_unlock(g_context.blockDataListMutex);
2488 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2489 if (COAP_OPTION_BLOCK2 == blockType)
2491 return &currData->block2;
2495 return &currData->block1;
2499 ca_mutex_unlock(g_context.blockDataListMutex);
2501 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2505 CAPayload_t CAGetPayloadFromBlockDataList(const CABlockDataID_t *blockID,
2506 size_t *fullPayloadLen)
2508 OIC_LOG(DEBUG, TAG, "IN-GetFullPayload");
2509 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2510 VERIFY_NON_NULL_RET(fullPayloadLen, TAG, "fullPayloadLen", NULL);
2512 ca_mutex_lock(g_context.blockDataListMutex);
2514 size_t len = u_arraylist_length(g_context.dataList);
2515 for (size_t i = 0; i < len; i++)
2517 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2518 if (CABlockidMatches(currData, blockID))
2520 ca_mutex_unlock(g_context.blockDataListMutex);
2521 *fullPayloadLen = currData->receivedPayloadLen;
2522 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2523 return currData->payload;
2526 ca_mutex_unlock(g_context.blockDataListMutex);
2528 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2532 CABlockData_t *CACreateNewBlockData(const CAData_t *sendData)
2534 OIC_LOG(DEBUG, TAG, "IN-CACreateNewBlockData");
2535 VERIFY_NON_NULL_RET(sendData, TAG, "sendData", NULL);
2537 // create block data
2538 CABlockData_t *data = (CABlockData_t *) OICCalloc(1, sizeof(CABlockData_t));
2541 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2545 data->block1.szx = CA_DEFAULT_BLOCK_SIZE;
2546 data->block2.szx = CA_DEFAULT_BLOCK_SIZE;
2547 data->sentData = CACloneCAData(sendData);
2550 OIC_LOG(ERROR, TAG, PCF("memory alloc has failed"));
2555 CAToken_t token = NULL;
2556 uint8_t tokenLength = 0;
2557 if (data->sentData->requestInfo)
2559 // update token info
2560 tokenLength = data->sentData->requestInfo->info.tokenLength;
2561 token = data->sentData->requestInfo->info.token;
2563 else if(data->sentData->responseInfo)
2565 tokenLength = data->sentData->responseInfo->info.tokenLength;
2566 token = data->sentData->responseInfo->info.token;
2569 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2571 data->sentData->remoteEndpoint->port);
2572 if (NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2574 OIC_LOG(ERROR, TAG, "blockId is null");
2575 CADestroyBlockID(blockDataID);
2576 CADestroyDataSet(data->sentData);
2580 data->blockDataId = blockDataID;
2582 ca_mutex_lock(g_context.blockDataListMutex);
2584 bool res = u_arraylist_add(g_context.dataList, (void *) data);
2587 OIC_LOG(ERROR, TAG, "add has failed");
2588 CADestroyBlockID(data->blockDataId);
2589 CADestroyDataSet(data->sentData);
2591 ca_mutex_unlock(g_context.blockDataListMutex);
2594 ca_mutex_unlock(g_context.blockDataListMutex);
2596 OIC_LOG(DEBUG, TAG, "OUT-CreateBlockData");
2600 CAResult_t CARemoveBlockDataFromList(const CABlockDataID_t *blockID)
2602 OIC_LOG(DEBUG, TAG, "CARemoveBlockData");
2603 VERIFY_NON_NULL(blockID, TAG, "blockID");
2605 ca_mutex_lock(g_context.blockDataListMutex);
2607 size_t len = u_arraylist_length(g_context.dataList);
2608 for (size_t i = 0; i < len; i++)
2610 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2611 if (CABlockidMatches(currData, blockID))
2613 CABlockData_t *removedData = u_arraylist_remove(g_context.dataList, i);
2616 OIC_LOG(ERROR, TAG, "data is NULL");
2617 ca_mutex_unlock(g_context.blockDataListMutex);
2618 return CA_STATUS_FAILED;
2622 if (currData->sentData)
2624 CADestroyDataSet(currData->sentData);
2626 CADestroyBlockID(currData->blockDataId);
2627 OICFree(currData->payload);
2629 ca_mutex_unlock(g_context.blockDataListMutex);
2630 return CA_STATUS_OK;
2633 ca_mutex_unlock(g_context.blockDataListMutex);
2635 return CA_STATUS_OK;
2638 bool CAIsBlockDataInList(const CABlockDataID_t *blockID)
2640 OIC_LOG(DEBUG, TAG, "IN-IsBlockDataInList");
2641 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", false);
2643 ca_mutex_lock(g_context.blockDataListMutex);
2645 size_t len = u_arraylist_length(g_context.dataList);
2646 for (size_t i = 0; i < len; i++)
2648 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2649 if (CABlockidMatches(currData, blockID))
2651 OIC_LOG(DEBUG, TAG, "found block data");
2652 ca_mutex_unlock(g_context.blockDataListMutex);
2656 ca_mutex_unlock(g_context.blockDataListMutex);
2658 OIC_LOG(DEBUG, TAG, "OUT-IsBlockDataInList");
2662 void CADestroyDataSet(CAData_t* data)
2664 VERIFY_NON_NULL_VOID(data, TAG, "data");
2666 CAFreeEndpoint(data->remoteEndpoint);
2667 CADestroyRequestInfoInternal(data->requestInfo);
2668 CADestroyResponseInfoInternal(data->responseInfo);
2672 CABlockDataID_t* CACreateBlockDatablockId(const CAToken_t token, uint8_t tokenLength,
2673 uint16_t portNumber)
2675 VERIFY_NON_NULL_RET(token, TAG, "token", NULL);
2677 char port[PORT_LENGTH] = {0,};
2678 port[0] = (char)((portNumber>>8) & 0xFF);
2679 port[1] = (char)(portNumber & 0xFF);
2681 CABlockDataID_t* blockDataID = (CABlockDataID_t *) OICMalloc(sizeof(CABlockDataID_t));
2684 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2687 blockDataID->idLength = tokenLength + sizeof(port);
2688 blockDataID->id = (uint8_t *) OICMalloc(blockDataID->idLength);
2689 if (!blockDataID->id)
2691 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2692 OICFree(blockDataID);
2696 memcpy(blockDataID->id, token, tokenLength);
2697 memcpy(blockDataID->id + tokenLength, port, sizeof(port));
2699 OIC_LOG(DEBUG, TAG, "BlockID is ");
2700 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *)blockDataID->id, blockDataID->idLength);
2705 void CADestroyBlockID(CABlockDataID_t *blockID)
2707 VERIFY_NON_NULL_VOID(blockID, TAG, "blockID");
2708 OICFree(blockID->id);
2713 bool CABlockidMatches(const CABlockData_t *currData, const CABlockDataID_t *blockID)
2715 VERIFY_NON_NULL_RET(currData, TAG, "currData", false);
2716 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", false);
2717 VERIFY_NON_NULL_RET(blockID->id, TAG, "blockID->id", false);
2719 if ((currData->blockDataId)
2720 && (currData->blockDataId->id)
2721 && (currData->blockDataId->idLength == blockID->idLength)
2722 && !memcmp(currData->blockDataId->id, blockID->id, currData->blockDataId->idLength))
2729 void CALogBlockInfo(coap_block_t *block)
2731 VERIFY_NON_NULL_VOID(block, TAG, "block");
2733 OIC_LOG(DEBUG, TAG, "block option info");
2735 OIC_LOG_V(DEBUG, TAG, "block option-num : %d", block->num);
2737 OIC_LOG_V(DEBUG, TAG, "block option-m : %d", block->m);
2739 OIC_LOG_V(DEBUG, TAG, "block option-szx : %d", block->szx);