1 /* ****************************************************************
3 * Copyright 2015 Samsung Electronics All Rights Reserved.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 ******************************************************************/
21 // Defining _BSD_SOURCE or _DEFAULT_SOURCE causes header files to expose
22 // definitions that may otherwise be skipped. Skipping can cause implicit
23 // declaration warnings and/or bugs and subtle problems in code execution.
24 // For glibc information on feature test macros,
25 // Refer http://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
27 // This file requires #define use due to random()
28 // For details on compatibility and glibc support,
29 // Refer http://www.gnu.org/software/libc/manual/html_node/BSD-Random.html
30 #define _DEFAULT_SOURCE
37 #include "caadapterutils.h"
38 #include "cainterface.h"
39 #include "camessagehandler.h"
40 #include "caremotehandler.h"
41 #include "cablockwisetransfer.h"
42 #include "oic_malloc.h"
48 #define BLOCKWISE_OPTION_BUFFER (sizeof(unsigned int))
49 #define BLOCK_NUMBER_IDX 4
50 #define BLOCK_M_BIT_IDX 3
53 #define BLOCK_SIZE(arg) (1 << ((arg) + 4))
55 // context for block-wise transfer
56 static CABlockWiseContext_t g_context = { 0 };
58 static bool CACheckPayloadLength(const CAData_t *sendData)
60 size_t payloadLen = 0;
61 CAGetPayloadInfo(sendData, &payloadLen);
63 // check if message has to be transfered to a block
64 size_t maxBlockSize = BLOCK_SIZE(CA_DEFAULT_BLOCK_SIZE);
65 OIC_LOG_V(DEBUG, TAG, "payloadLen=%d, maxBlockSize=%d", payloadLen, maxBlockSize);
67 if (payloadLen <= maxBlockSize)
75 CAResult_t CAInitializeBlockWiseTransfer(CASendThreadFunc sendThreadFunc,
76 CAReceiveThreadFunc receivedThreadFunc)
78 OIC_LOG(DEBUG, TAG, "initialize");
80 // set block-wise transfer context
81 if (!g_context.sendThreadFunc)
83 g_context.sendThreadFunc = sendThreadFunc;
86 if (!g_context.receivedThreadFunc)
88 g_context.receivedThreadFunc = receivedThreadFunc;
91 if (!g_context.dataList)
93 g_context.dataList = u_arraylist_create();
96 CAResult_t res = CAInitBlockWiseMutexVariables();
97 if (CA_STATUS_OK != res)
99 OIC_LOG(ERROR, TAG, "init has failed");
105 CAResult_t CATerminateBlockWiseTransfer()
107 OIC_LOG(DEBUG, TAG, "terminate");
109 if (g_context.dataList)
111 u_arraylist_free(&g_context.dataList);
114 CATerminateBlockWiseMutexVariables();
119 CAResult_t CAInitBlockWiseMutexVariables()
121 OIC_LOG(DEBUG, TAG, "IN");
123 if (!g_context.blockDataListMutex)
125 g_context.blockDataListMutex = ca_mutex_new();
126 if (!g_context.blockDataListMutex)
128 OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
129 return CA_STATUS_FAILED;
133 if (!g_context.blockDataSenderMutex)
135 g_context.blockDataSenderMutex = ca_mutex_new();
136 if (!g_context.blockDataSenderMutex)
138 OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
139 CATerminateBlockWiseMutexVariables();
140 return CA_STATUS_FAILED;
147 void CATerminateBlockWiseMutexVariables()
149 OIC_LOG(DEBUG, TAG, "IN");
151 if (g_context.blockDataListMutex)
153 ca_mutex_free(g_context.blockDataListMutex);
154 g_context.blockDataListMutex = NULL;
157 if (g_context.blockDataSenderMutex)
159 ca_mutex_free(g_context.blockDataSenderMutex);
160 g_context.blockDataSenderMutex = NULL;
164 CAResult_t CASendBlockWiseData(const CAData_t *sendData)
166 VERIFY_NON_NULL(sendData, TAG, "sendData");
168 // check if message type is CA_MSG_RESET
169 if (sendData->requestInfo)
171 if (CA_MSG_RESET == sendData->requestInfo->info.type)
173 OIC_LOG(DEBUG, TAG, "reset message can't be sent to the block");
174 return CA_NOT_SUPPORTED;
177 else if (sendData->responseInfo)
179 if (CA_MSG_RESET == sendData->responseInfo->info.type)
181 OIC_LOG(DEBUG, TAG, "reset message can't be sent to the block");
182 return CA_NOT_SUPPORTED;
186 // #1. check if it is already included in block data list
187 CABlockData_t *currData = NULL;
188 CAResult_t res = CACheckBlockDataValidation(sendData, &currData);
189 if (CA_STATUS_OK != res)
191 // #2. if it is not included, add the data into list
194 OIC_LOG(DEBUG, TAG, "There is no block data");
196 bool isBlock = CACheckPayloadLength(sendData);
199 if (sendData->requestInfo)
201 currData = CACreateNewBlockData(sendData);
204 OIC_LOG(ERROR, TAG, "failed to create block data");
205 return CA_MEMORY_ALLOC_FAILED;
208 return CA_NOT_SUPPORTED;
210 currData = CACreateNewBlockData(sendData);
213 OIC_LOG(ERROR, TAG, "failed to create block data");
214 return CA_MEMORY_ALLOC_FAILED;
219 // #3. check request/response block option type and payload length
220 res = CACheckBlockOptionType(currData);
221 if (CA_STATUS_OK == res)
223 // #4. send block message
224 OIC_LOG(DEBUG, TAG, "send first block msg");
225 res = CAAddSendThreadQueue(currData->sentData,
226 (const CABlockDataID_t *)&currData->blockDataId);
227 if (CA_STATUS_OK != res)
229 OIC_LOG(ERROR, TAG, "add has failed");
237 CAResult_t CAAddSendThreadQueue(const CAData_t *sendData, const CABlockDataID_t *blockID)
239 VERIFY_NON_NULL(sendData, TAG, "sendData");
240 VERIFY_NON_NULL(blockID, TAG, "blockID");
242 CAData_t *cloneData = CACloneCAData(sendData);
245 OIC_LOG(ERROR, TAG, "clone has failed");
246 CARemoveBlockDataFromList(blockID);
247 return CA_STATUS_FAILED;
250 if (g_context.sendThreadFunc)
252 ca_mutex_lock(g_context.blockDataSenderMutex);
253 g_context.sendThreadFunc(cloneData);
254 ca_mutex_unlock(g_context.blockDataSenderMutex);
258 CADestroyDataSet(cloneData);
263 CAResult_t CACheckBlockOptionType(CABlockData_t *currData)
265 VERIFY_NON_NULL(currData, TAG, "currData");
266 VERIFY_NON_NULL(currData->sentData, TAG, "currData->sentData");
268 bool isBlock = CACheckPayloadLength(currData->sentData);
271 return CA_NOT_SUPPORTED;
274 // set block option (COAP_OPTION_BLOCK2 or COAP_OPTION_BLOCK1)
275 if (currData->sentData->requestInfo) // request message
277 currData->type = COAP_OPTION_BLOCK1;
279 else // response message
281 currData->type = COAP_OPTION_BLOCK2;
287 // TODO make pdu const after libcoap is updated to support that.
288 CAResult_t CAReceiveBlockWiseData(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
289 const CAData_t *receivedData, size_t dataLen)
291 OIC_LOG(DEBUG, TAG, "CAReceiveBlockWiseData");
292 VERIFY_NON_NULL(pdu, TAG, "pdu");
293 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
294 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
295 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
297 // check if received message type is CA_MSG_RESET
298 if (CA_EMPTY == pdu->hdr->coap_hdr_udp_t.code)
300 OIC_LOG(DEBUG, TAG, "code is CA_EMPTY..");
302 // get token from block-wise transfer list when CA_EMPTY(RST/ACK) is received
303 CAResult_t res = CAGetTokenFromBlockDataList(pdu, endpoint, receivedData->responseInfo);
304 if (CA_STATUS_OK != res)
306 OIC_LOG(ERROR, TAG, "fail to get token");
310 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
311 receivedData->responseInfo->info.token,
312 receivedData->responseInfo->info.tokenLength,
314 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
316 OIC_LOG(ERROR, TAG, "blockId is null");
317 CADestroyBlockID(blockDataID);
318 return CA_STATUS_FAILED;
321 CARemoveBlockDataFromList(blockDataID);
322 CADestroyBlockID(blockDataID);
323 return CA_NOT_SUPPORTED;
326 // check if block option is set and get block data
327 coap_block_t block = {0, 0, 0};
330 int isBlock1 = coap_get_block(pdu, COAP_OPTION_BLOCK1, &block);
333 CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, block, dataLen);
334 if (CA_STATUS_OK != res)
336 OIC_LOG(ERROR, TAG, "setting has failed");
342 int isBlock2 = coap_get_block(pdu, COAP_OPTION_BLOCK2, &block);
345 CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, block, dataLen);
346 if (CA_STATUS_OK != res)
348 OIC_LOG(ERROR, TAG, "setting has failed");
353 // check if there is error code
354 if (!isBlock1 && !isBlock2)
356 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
357 if (CA_REQUEST_ENTITY_INCOMPLETE == code)
359 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
360 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
361 pdu->hdr->coap_hdr_udp_t.token_length,
364 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
366 OIC_LOG(ERROR, TAG, "blockId is null");
367 CADestroyBlockID(blockDataID);
368 return CA_STATUS_FAILED;
371 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
374 OIC_LOG(ERROR, TAG, "getting has failed");
375 CADestroyBlockID(blockDataID);
376 return CA_STATUS_FAILED;
379 if (COAP_OPTION_BLOCK2 == data->type)
381 coap_block_t *block2 = CAGetBlockOption(blockDataID, COAP_OPTION_BLOCK2);
384 OIC_LOG(ERROR, TAG, "block is null");
385 CADestroyBlockID(blockDataID);
386 return CA_STATUS_FAILED;
389 CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, *block2,
391 if (CA_STATUS_OK != res)
393 OIC_LOG(ERROR, TAG, "setting has failed");
394 CADestroyBlockID(blockDataID);
398 else if (COAP_OPTION_BLOCK1 == data->type)
400 coap_block_t *block1 = CAGetBlockOption(blockDataID, COAP_OPTION_BLOCK1);
403 OIC_LOG(ERROR, TAG, "block is null");
404 CADestroyBlockID(blockDataID);
405 return CA_STATUS_FAILED;
408 CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, *block1,
410 if (CA_STATUS_OK != res)
412 OIC_LOG(ERROR, TAG, "setting has failed");
413 CADestroyBlockID(blockDataID);
421 OIC_LOG(DEBUG, TAG, "it's normal pdu");
423 // if received data is response message
424 // and sent data remain in block data list, remove block data
425 if (receivedData->responseInfo)
427 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
428 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
429 pdu->hdr->coap_hdr_udp_t.token_length,
431 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
433 OIC_LOG(ERROR, TAG, "blockId is null");
434 CADestroyBlockID(blockDataID);
435 return CA_STATUS_FAILED;
438 CARemoveBlockDataFromList(blockDataID);
439 CADestroyBlockID(blockDataID);
441 return CA_NOT_SUPPORTED;
448 CAResult_t CAProcessNextStep(const coap_pdu_t *pdu, const CAData_t *receivedData,
449 uint8_t blockWiseStatus, const CABlockDataID_t *blockID)
451 VERIFY_NON_NULL(pdu, TAG, "pdu");
452 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
453 VERIFY_NON_NULL(blockID, TAG, "blockID");
455 CAResult_t res = CA_STATUS_OK;
456 CAData_t *data = NULL;
458 // process blockWiseStatus
459 switch (blockWiseStatus)
461 case CA_OPTION2_FIRST_BLOCK:
462 res = CAAddSendThreadQueue(receivedData, blockID);
463 if (CA_STATUS_OK != res)
465 OIC_LOG(ERROR, TAG, "add has failed");
471 // add data to send thread
472 data = CAGetDataSetFromBlockDataList(blockID);
475 OIC_LOG(ERROR, TAG, "it's unavailable");
476 return CA_STATUS_FAILED;
479 if (data->requestInfo)
481 data->requestInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
484 if (data->responseInfo)
486 data->responseInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
489 res = CAAddSendThreadQueue(data, blockID);
490 if (CA_STATUS_OK != res)
492 OIC_LOG(ERROR, TAG, "add has failed");
500 case CA_SENT_PREVIOUS_NON_MSG:
501 res = CASendBlockMessage(pdu, CA_MSG_CONFIRM, blockWiseStatus,
503 if (CA_STATUS_OK != res)
505 OIC_LOG(ERROR, TAG, "send has failed");
510 case CA_OPTION2_LAST_BLOCK:
511 // process last block and send upper layer
512 res = CAReceiveLastBlock(blockID, receivedData);
513 if (CA_STATUS_OK != res)
515 OIC_LOG(ERROR, TAG, "receive has failed");
519 // remove data from list
520 res = CARemoveBlockDataFromList(blockID);
521 if (CA_STATUS_OK != res)
523 OIC_LOG(ERROR, TAG, "remove has failed");
528 case CA_OPTION1_NO_ACK_LAST_BLOCK:
529 // process last block and send upper layer
530 res = CAReceiveLastBlock(blockID, receivedData);
531 if (CA_STATUS_OK != res)
533 OIC_LOG(ERROR, TAG, "receive has failed");
537 if (CA_MSG_NONCONFIRM == pdu->hdr->coap_hdr_udp_t.type)
539 // remove data from list
540 res = CARemoveBlockDataFromList(blockID);
541 if (CA_STATUS_OK != res)
543 OIC_LOG(ERROR, TAG, "remove has failed");
549 case CA_OPTION1_NO_ACK_BLOCK:
550 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
552 // add data to send thread
553 res = CASendBlockMessage(pdu, CA_MSG_ACKNOWLEDGE, blockWiseStatus,
555 if (CA_STATUS_OK != res)
557 OIC_LOG(ERROR, TAG, "send has failed");
563 case CA_BLOCK_INCOMPLETE:
564 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type ||
565 CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
567 // add data to send thread
568 res = CASendErrorMessage(pdu, blockWiseStatus,
569 CA_REQUEST_ENTITY_INCOMPLETE,
571 if (CA_STATUS_OK != res)
573 OIC_LOG(ERROR, TAG, "send has failed");
579 case CA_BLOCK_TOO_LARGE:
580 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
582 res = CASendBlockMessage(pdu, CA_MSG_CONFIRM, blockWiseStatus,
584 if (CA_STATUS_OK != res)
586 OIC_LOG(ERROR, TAG, "send has failed");
590 else if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
592 res = CASendErrorMessage(pdu, blockWiseStatus,
593 CA_REQUEST_ENTITY_TOO_LARGE,
595 if (CA_STATUS_OK != res)
597 OIC_LOG(ERROR, TAG, "send has failed");
603 OIC_LOG_V(ERROR, TAG, "no logic [%d]", blockWiseStatus);
608 CAResult_t CASendBlockMessage(const coap_pdu_t *pdu, CAMessageType_t msgType,
609 uint8_t status, const CABlockDataID_t *blockID)
611 VERIFY_NON_NULL(pdu, TAG, "pdu");
612 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
613 VERIFY_NON_NULL(blockID, TAG, "blockID");
615 CAData_t *data = CAGetDataSetFromBlockDataList(blockID);
618 OIC_LOG(ERROR, TAG, "CAData is unavailable");
619 return CA_STATUS_FAILED;
622 if (CA_MSG_CONFIRM == msgType)
624 OIC_LOG(DEBUG, TAG, "need new msgID");
625 if (data->requestInfo)
627 data->requestInfo->info.messageId = 0;
630 if (data->responseInfo)
632 data->responseInfo->info.messageId = 0;
635 else if (CA_MSG_ACKNOWLEDGE == msgType)
637 if (data->responseInfo)
639 OIC_LOG(DEBUG, TAG, "set ACK message");
640 data->responseInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
641 data->responseInfo->info.type = CA_MSG_ACKNOWLEDGE;
642 if (CA_OPTION1_NO_ACK_LAST_BLOCK == status)
644 data->responseInfo->result = CA_CHANGED;
646 else if (CA_OPTION1_NO_ACK_BLOCK == status)
648 data->responseInfo->result = CA_CONTINUE;
653 // add data to send thread
654 CAResult_t res = CAAddSendThreadQueue(data, blockID);
655 if (CA_STATUS_OK != res)
657 OIC_LOG(ERROR, TAG, "add has failed");
663 CAResult_t CASendErrorMessage(const coap_pdu_t *pdu, uint8_t status,
664 CAResponseResult_t responseResult,
665 const CABlockDataID_t *blockID)
667 VERIFY_NON_NULL(pdu, TAG, "pdu");
668 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
669 VERIFY_NON_NULL(blockID, TAG, "blockID");
671 // create error responseInfo
672 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockID);
675 OIC_LOG(ERROR, TAG, "data is unavailable");
676 return CA_STATUS_FAILED;
679 CAData_t *cloneData = NULL;
680 if (data->sentData && data->sentData->responseInfo)
682 data->sentData->responseInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
683 data->sentData->responseInfo->info.type = CA_MSG_ACKNOWLEDGE;
684 data->sentData->responseInfo->result = responseResult;
685 cloneData = CACloneCAData(data->sentData);
688 OIC_LOG(ERROR, TAG, "clone has failed");
689 return CA_MEMORY_ALLOC_FAILED;
691 OIC_LOG(DEBUG, TAG, "set ACK message");
693 else if (data->sentData)
695 cloneData = CACreateNewDataSet(pdu, data->sentData->remoteEndpoint);
698 OIC_LOG(ERROR, TAG, PCF("CACreateNewDataSet failed"));
699 return CA_MEMORY_ALLOC_FAILED;
702 cloneData->responseInfo->info.type = CA_MSG_CONFIRM;
703 cloneData->responseInfo->result = responseResult;
704 OIC_LOG(DEBUG, TAG, "set CON message");
708 OIC_LOG(ERROR, TAG, "data has no sent-data");
709 return CA_MEMORY_ALLOC_FAILED;
712 // add data to send thread
713 if (g_context.sendThreadFunc)
715 ca_mutex_lock(g_context.blockDataSenderMutex);
716 g_context.sendThreadFunc(cloneData);
717 ca_mutex_unlock(g_context.blockDataSenderMutex);
721 CADestroyDataSet(cloneData);
724 // if error code is 4.08, remove the stored payload and initialize block number
725 if (CA_BLOCK_INCOMPLETE == status)
727 OICFree(data->payload);
728 data->payload = NULL;
729 data->payloadLength = 0;
730 data->receivedPayloadLen = 0;
731 data->block1.num = 0;
732 data->block2.num = 0;
738 CAResult_t CAReceiveLastBlock(const CABlockDataID_t *blockID,
739 const CAData_t *receivedData)
741 VERIFY_NON_NULL(blockID, TAG, "blockID");
742 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
744 // total block data have to notify to Application
745 CAData_t *cloneData = CACloneCAData(receivedData);
748 OIC_LOG(ERROR, TAG, "clone has failed");
749 return CA_MEMORY_ALLOC_FAILED;
753 size_t fullPayloadLen = 0;
754 CAPayload_t fullPayload = CAGetPayloadFromBlockDataList(blockID,
758 CAResult_t res = CAUpdatePayloadToCAData(cloneData, fullPayload, fullPayloadLen);
759 if (CA_STATUS_OK != res)
761 OIC_LOG(ERROR, TAG, "update has failed");
762 CADestroyDataSet(cloneData);
767 if (g_context.receivedThreadFunc)
769 g_context.receivedThreadFunc(cloneData);
773 CADestroyDataSet(cloneData);
779 // TODO make pdu const after libcoap is updated to support that.
780 CAResult_t CASetNextBlockOption1(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
781 const CAData_t *receivedData, coap_block_t block,
784 OIC_LOG(INFO, TAG, "CASetNextBlockOption1");
785 VERIFY_NON_NULL(pdu, TAG, "pdu");
786 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
787 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
788 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
790 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
792 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
793 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
794 pdu->hdr->coap_hdr_udp_t.token_length,
797 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
799 OIC_LOG(ERROR, TAG, "blockId is null");
800 CADestroyBlockID(blockDataID);
801 return CA_STATUS_FAILED;
804 // BlockData data is created if it not existed
805 if (!CAIsBlockDataInList(blockDataID))
807 OIC_LOG(DEBUG, TAG, "no message in list");
809 CAData_t *data = CACreateNewDataSet(pdu, endpoint);
812 OIC_LOG(ERROR, TAG, "data is null");
813 CADestroyBlockID(blockDataID);
814 return CA_STATUS_FAILED;
817 CABlockData_t *currData = CACreateNewBlockData(data);
820 OIC_LOG(ERROR, TAG, "currData is null");
821 CADestroyDataSet(data);
822 CADestroyBlockID(blockDataID);
823 return CA_STATUS_FAILED;
825 CADestroyDataSet(data);
828 // update BLOCK OPTION1 type
829 CAResult_t res = CAUpdateBlockOptionType(blockDataID,
831 if (CA_STATUS_OK != res)
833 OIC_LOG(ERROR, TAG, "update has failed");
834 CARemoveBlockDataFromList(blockDataID);
835 CADestroyBlockID(blockDataID);
839 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
842 OIC_LOG(ERROR, TAG, "getting has failed");
843 CADestroyBlockID(blockDataID);
844 return CA_STATUS_FAILED;
847 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
848 // received type from remote device
849 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
851 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
853 (CA_REQUEST_ENTITY_INCOMPLETE != code && CA_REQUEST_ENTITY_TOO_LARGE != code))
855 int isBlock2 = coap_get_block(pdu, COAP_OPTION_BLOCK2, &block);
858 OIC_LOG(INFO, TAG, "received data is combining block1 and block2");
859 // initialize block number for response message
860 data->block1.num = 0;
861 CADestroyBlockID(blockDataID);
866 OIC_LOG(INFO, TAG, "received data is not bulk data");
867 CAReceiveLastBlock(blockDataID, receivedData);
868 CARemoveBlockDataFromList(blockDataID);
869 CADestroyBlockID(blockDataID);
874 blockWiseStatus = CA_OPTION1_ACK;
875 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
876 if (CA_STATUS_OK != res)
878 OIC_LOG(ERROR, TAG, "update has failed");
879 CADestroyBlockID(blockDataID);
883 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
884 if (CA_STATUS_OK != res)
886 OIC_LOG(ERROR, TAG, "update has failed");
887 CARemoveBlockDataFromList(blockDataID);
888 CADestroyBlockID(blockDataID);
892 else // CON or NON message
894 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
896 // check the size option
897 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
899 &(data->payloadLength));
901 // check if received payload is exact
902 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
904 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
905 COAP_OPTION_BLOCK1, dataLen);
908 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
910 // store the received payload and merge
911 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
912 isSizeOption, COAP_OPTION_BLOCK1);
913 if (CA_STATUS_OK != res)
915 OIC_LOG(ERROR, TAG, "update has failed");
916 CARemoveBlockDataFromList(blockDataID);
917 CADestroyBlockID(blockDataID);
921 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
922 if (CA_STATUS_OK != res)
924 OIC_LOG(ERROR, TAG, "update has failed");
925 CARemoveBlockDataFromList(blockDataID);
926 CADestroyBlockID(blockDataID);
931 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK1);
932 if (CA_STATUS_OK != res)
934 OIC_LOG(ERROR, TAG, "update has failed");
935 CARemoveBlockDataFromList(blockDataID);
936 CADestroyBlockID(blockDataID);
941 // check the blcok-wise transfer status for next step
942 if (CA_BLOCK_UNKNOWN == blockWiseStatus || CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
944 if (0 == block.m) // Last block is received
946 OIC_LOG(DEBUG, TAG, "M bit is 0");
947 blockWiseStatus = CA_OPTION1_NO_ACK_LAST_BLOCK;
951 OIC_LOG(DEBUG, TAG, "M bit is 1");
952 blockWiseStatus = CA_OPTION1_NO_ACK_BLOCK;
957 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
958 if (CA_STATUS_OK != res)
960 OIC_LOG(ERROR, TAG, "setting has failed");
961 CARemoveBlockDataFromList(blockDataID);
964 CADestroyBlockID(blockDataID);
968 // TODO make pdu const after libcoap is updated to support that.
969 CAResult_t CASetNextBlockOption2(coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
970 const CAData_t *receivedData, coap_block_t block,
973 OIC_LOG(DEBUG, TAG, "CASetNextBlockOption2");
974 OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
976 VERIFY_NON_NULL(pdu, TAG, "pdu");
977 VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
978 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
979 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
981 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
982 (CAToken_t)pdu->hdr->coap_hdr_udp_t.token,
983 pdu->hdr->coap_hdr_udp_t.token_length,
986 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
988 OIC_LOG(ERROR, TAG, "blockId is null");
989 CADestroyBlockID(blockDataID);
990 return CA_STATUS_FAILED;
993 // BlockData data is created if it not existed
994 if (!CAIsBlockDataInList(blockDataID))
996 OIC_LOG(DEBUG, TAG, "no msg in list.");
998 CAData_t *data = CACreateNewDataSet(pdu, endpoint);
1001 OIC_LOG(ERROR, TAG, "data is null");
1002 CADestroyBlockID(blockDataID);
1003 return CA_STATUS_FAILED;
1006 CABlockData_t *currData = CACreateNewBlockData(data);
1009 OIC_LOG(ERROR, TAG, "data is null");
1010 CADestroyDataSet(data);
1011 CADestroyBlockID(blockDataID);
1012 return CA_STATUS_FAILED;
1014 CADestroyDataSet(data);
1017 // set Block Option Type
1018 CAResult_t res = CAUpdateBlockOptionType(blockDataID,
1019 COAP_OPTION_BLOCK2);
1020 if (CA_STATUS_OK != res)
1022 OIC_LOG(ERROR, TAG, "update has failed");
1023 CARemoveBlockDataFromList(blockDataID);
1024 CADestroyBlockID(blockDataID);
1028 CABlockData_t *data = CAGetBlockDataFromBlockDataList(blockDataID);
1031 OIC_LOG(ERROR, TAG, "getting has failed");
1032 CARemoveBlockDataFromList(blockDataID);
1033 CADestroyBlockID(blockDataID);
1034 return CA_STATUS_FAILED;
1037 uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
1038 if (0 == block.num && CA_GET == pdu->hdr->coap_hdr_udp_t.code && 0 == block.m)
1040 OIC_LOG(INFO, TAG, "first block number");
1042 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1043 if (CA_STATUS_OK != res)
1045 OIC_LOG(ERROR, TAG, "update has failed");
1046 CARemoveBlockDataFromList(blockDataID);
1047 CADestroyBlockID(blockDataID);
1051 // first block data have to notify to Application
1052 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1053 if (CA_STATUS_OK != res)
1055 OIC_LOG(ERROR, TAG, "update has failed");
1056 CARemoveBlockDataFromList(blockDataID);
1057 CADestroyBlockID(blockDataID);
1060 blockWiseStatus = CA_OPTION2_FIRST_BLOCK;
1064 // received type from remote device
1065 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type ||
1066 (CA_MSG_NONCONFIRM == pdu->hdr->coap_hdr_udp_t.type &&
1067 NULL != receivedData->responseInfo))
1069 OIC_LOG(DEBUG, TAG, "received ACK or NON");
1071 // check the size option
1072 bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
1074 &(data->payloadLength));
1076 // check if received payload is exact
1077 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
1079 blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
1080 COAP_OPTION_BLOCK2, dataLen);
1083 if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
1085 // store the received payload and merge
1086 res = CAUpdatePayloadData(data, receivedData, blockWiseStatus,
1087 isSizeOption, COAP_OPTION_BLOCK2);
1088 if (CA_STATUS_OK != res)
1090 OIC_LOG(ERROR, TAG, "update has failed");
1091 CARemoveBlockDataFromList(blockDataID);
1092 CADestroyBlockID(blockDataID);
1097 if (0 == block.m && CA_BLOCK_UNKNOWN == blockWiseStatus) // Last block is received
1099 OIC_LOG(DEBUG, TAG, "M bit is 0");
1100 blockWiseStatus = CA_OPTION2_LAST_BLOCK;
1104 if (CA_BLOCK_UNKNOWN == blockWiseStatus ||
1105 CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
1107 OIC_LOG(DEBUG, TAG, "M bit is 1");
1109 if (CA_MSG_ACKNOWLEDGE == pdu->hdr->coap_hdr_udp_t.type)
1111 blockWiseStatus = CA_OPTION2_ACK;
1115 blockWiseStatus = CA_OPTION2_NON;
1119 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2,
1121 if (CA_STATUS_OK != res)
1123 OIC_LOG(ERROR, TAG, "update has failed");
1124 CARemoveBlockDataFromList(blockDataID);
1125 CADestroyBlockID(blockDataID);
1129 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1130 if (CA_STATUS_OK != res)
1132 OIC_LOG(ERROR, TAG, "update has failed");
1133 CARemoveBlockDataFromList(blockDataID);
1134 CADestroyBlockID(blockDataID);
1139 else // CON message and so on.
1141 OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
1143 blockWiseStatus = CA_OPTION2_CON;
1145 res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
1146 if (CA_STATUS_OK != res)
1148 OIC_LOG(ERROR, TAG, "update has failed");
1149 CARemoveBlockDataFromList(blockDataID);
1150 CADestroyBlockID(blockDataID);
1154 res = CAUpdateBlockData(data, block, COAP_OPTION_BLOCK2);
1155 if (CA_STATUS_OK != res)
1157 OIC_LOG(ERROR, TAG, "update has failed");
1158 CARemoveBlockDataFromList(blockDataID);
1159 CADestroyBlockID(blockDataID);
1165 res = CAProcessNextStep(pdu, receivedData, blockWiseStatus, blockDataID);
1166 if (CA_STATUS_OK != res)
1168 OIC_LOG(ERROR, TAG, "setting has failed");
1169 CARemoveBlockDataFromList(blockDataID);
1170 CADestroyBlockID(blockDataID);
1174 CADestroyBlockID(blockDataID);
1175 return CA_STATUS_OK;
1178 CAResult_t CAUpdateBlockOptionItems(CABlockData_t *currData, const coap_pdu_t *pdu,
1179 coap_block_t *block, uint16_t blockType,
1182 VERIFY_NON_NULL(currData, TAG, "currData");
1183 VERIFY_NON_NULL(pdu, TAG, "pdu");
1184 VERIFY_NON_NULL(block, TAG, "block");
1186 // update block data
1187 CAResult_t res = CA_STATUS_OK;
1188 uint32_t code = CA_RESPONSE_CODE(pdu->hdr->coap_hdr_udp_t.code);
1190 if (CA_REQUEST_ENTITY_INCOMPLETE == code || CA_REQUEST_ENTITY_TOO_LARGE == code)
1192 // response error code of the received block message
1193 res = CAHandleBlockErrorResponse(block, blockType, code);
1194 if (CA_STATUS_OK != res)
1196 OIC_LOG(ERROR, TAG, "error handle has failed");
1202 // update block option items
1205 case CA_OPTION1_ACK:
1206 if (currData->block1.num > block->num)
1208 OIC_LOG(ERROR, TAG, "received incorrect block num");
1209 return CA_STATUS_FAILED;
1213 case CA_OPTION2_NON:
1217 case CA_OPTION2_CON:
1220 case CA_OPTION2_ACK:
1221 if (currData->block2.num > block->num)
1223 OIC_LOG(ERROR, TAG, "received incorrect block num");
1224 return CA_STATUS_FAILED;
1229 case CA_BLOCK_TOO_LARGE:
1230 // if state of received block message is CA_BLOCK_TOO_LARGE or CA_BLOCK_INCOMPLETE
1231 // we set the response error code appropriately and send
1232 if (COAP_OPTION_BLOCK2 == blockType)
1236 block->szx = currData->block2.szx;
1240 block->szx = currData->block1.szx;
1244 OIC_LOG_V(ERROR, TAG, "no logic [%d]", status);
1247 if (CA_BLOCK_INCOMPLETE != status && CA_BLOCK_TOO_LARGE != status)
1249 // negotiate block size
1250 res = CANegotiateBlockSize(currData, block, pdu->hdr->coap_hdr_udp_t.type, blockType);
1251 if (CA_STATUS_OK != res)
1253 OIC_LOG(ERROR, TAG, "negotiation has failed");
1261 CAResult_t CAGetMoreBitFromBlock(size_t payloadLen, coap_block_t *block)
1263 VERIFY_NON_NULL(block, TAG, "block");
1265 if ((size_t)((block->num + 1) << (block->szx + BLOCK_NUMBER_IDX))
1268 OIC_LOG(DEBUG, TAG, "Set the M-bit(1)");
1273 OIC_LOG(DEBUG, TAG, "Set the M-bit(0)");
1277 return CA_STATUS_OK;
1280 CAResult_t CANegotiateBlockSize(CABlockData_t *currData, coap_block_t *block,
1281 CAMessageType_t msgType, uint16_t blockType)
1283 OIC_LOG(DEBUG, TAG, "IN-NegotiateBlockSize");
1285 VERIFY_NON_NULL(currData, TAG, "currData");
1286 VERIFY_NON_NULL(block, TAG, "block");
1288 // #1. check the block option type
1289 if (COAP_OPTION_BLOCK2 == blockType)
1291 // #2. check the message type
1292 if (CA_MSG_ACKNOWLEDGE == msgType)
1294 if (block->szx > currData->block2.szx)
1296 OIC_LOG(DEBUG, TAG, "sze is big");
1298 // #3. calculate new block number from block size
1299 unsigned int blockNum = BLOCK_SIZE(block->szx) /
1300 BLOCK_SIZE(currData->block2.szx) - 1;
1301 OIC_LOG(DEBUG, TAG, "num is set as Negotiation");
1302 block->num += blockNum;
1303 block->szx = currData->block2.szx;
1304 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1309 if (block->szx > currData->block2.szx)
1311 OIC_LOG(DEBUG, TAG, "sze is big");
1312 block->szx = currData->block2.szx;
1316 else if (COAP_OPTION_BLOCK1 == blockType)
1318 if (CA_MSG_ACKNOWLEDGE == msgType)
1320 if (block->szx < currData->block1.szx)
1322 OIC_LOG(DEBUG, TAG, "sze is small");
1324 unsigned int blockNum = BLOCK_SIZE(currData->block1.szx) /
1325 BLOCK_SIZE(block->szx) - 1;
1326 block->num += blockNum;
1327 OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
1332 if (block->szx > currData->block1.szx)
1334 OIC_LOG(DEBUG, TAG, "sze is big");
1335 block->szx = currData->block1.szx;
1341 OIC_LOG(DEBUG, TAG, "Invalid block option");
1342 return CA_STATUS_FAILED;
1345 OIC_LOG(DEBUG, TAG, "OUT-NegotiateBlockSize");
1347 return CA_STATUS_OK;
1350 CAResult_t CAUpdateBlockData(CABlockData_t *currData, coap_block_t block,
1353 VERIFY_NON_NULL(currData, TAG, "currData");
1355 // check if block size is bigger than CABlockSize_t
1356 if (block.szx > CA_BLOCK_SIZE_1024_BYTE)
1358 OIC_LOG(DEBUG, TAG, "invalid block szx");
1359 return CA_STATUS_FAILED;
1362 // update block option
1363 if (COAP_OPTION_BLOCK2 == blockType)
1365 currData->block2 = block;
1369 currData->block1 = block;
1372 OIC_LOG(DEBUG, TAG, "data has updated");
1373 return CA_STATUS_OK;
1376 CAResult_t CAUpdateMessageId(coap_pdu_t *pdu, const CABlockDataID_t *blockID)
1378 VERIFY_NON_NULL(pdu, TAG, "pdu");
1379 VERIFY_NON_NULL(blockID, TAG, "blockID");
1381 // if CON message is sent, update messageId in block-wise transfer list
1382 if (CA_MSG_CONFIRM == pdu->hdr->coap_hdr_udp_t.type)
1384 CAData_t * cadata = CAGetDataSetFromBlockDataList(blockID);
1387 OIC_LOG(ERROR, TAG, "CAData is unavailable");
1388 return CA_STATUS_FAILED;
1391 if (cadata->requestInfo)
1393 cadata->requestInfo->info.messageId = pdu->hdr->coap_hdr_udp_t.id;
1397 return CA_STATUS_OK;
1400 CAResult_t CAAddBlockOption(coap_pdu_t **pdu, const CAInfo_t *info,
1401 const CAEndpoint_t *endpoint)
1403 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption");
1404 VERIFY_NON_NULL(pdu, TAG, "pdu");
1405 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1406 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1407 VERIFY_NON_NULL(info, TAG, "info");
1408 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
1410 size_t dataLength = 0;
1413 dataLength = info->payloadSize;
1414 OIC_LOG_V(DEBUG, TAG, "dataLength - %d", dataLength);
1417 OIC_LOG_V(DEBUG, TAG, "previous payload - %s", (*pdu)->data);
1419 CAResult_t res = CA_STATUS_OK;
1420 uint32_t code = CA_RESPONSE_CODE((*pdu)->hdr->coap_hdr_udp_t.code);
1421 if (CA_REQUEST_ENTITY_INCOMPLETE == code)
1423 OIC_LOG(INFO, TAG, "don't use option");
1427 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
1428 (CAToken_t)(*pdu)->hdr->coap_hdr_udp_t.token,
1429 (*pdu)->hdr->coap_hdr_udp_t.token_length,
1432 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
1434 OIC_LOG(ERROR, TAG, "blockId is null");
1435 res = CA_STATUS_FAILED;
1439 uint8_t blockType = CAGetBlockOptionType(blockDataID);
1440 if (COAP_OPTION_BLOCK2 == blockType)
1442 res = CAAddBlockOption2(pdu, info, dataLength, blockDataID);
1443 if (CA_STATUS_OK != res)
1445 OIC_LOG(ERROR, TAG, "add has failed");
1449 else if (COAP_OPTION_BLOCK1 == blockType)
1451 res = CAAddBlockOption1(pdu, info, dataLength, blockDataID);
1452 if (CA_STATUS_OK != res)
1454 OIC_LOG(ERROR, TAG, "add has failed");
1460 OIC_LOG(DEBUG, TAG, "no BLOCK option");
1461 // if response data is so large. it have to send as block transfer
1462 if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info->payload))
1464 OIC_LOG(INFO, TAG, "it have to use block");
1468 OIC_LOG(INFO, TAG, "not Blockwise Transfer");
1473 // if received message type is RESET from remote device,
1474 // we have to use the updated message id to find token.
1475 res = CAUpdateMessageId(*pdu, blockDataID);
1476 if (CA_STATUS_OK != res)
1478 OIC_LOG(ERROR, TAG, "fail to update CON message id ");
1483 if (0 == endpoint->port)
1485 CARemoveBlockDataFromList(blockDataID);
1487 CADestroyBlockID(blockDataID);
1488 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption");
1492 CAResult_t CAAddBlockOption2(coap_pdu_t **pdu, const CAInfo_t *info, size_t dataLength,
1493 const CABlockDataID_t *blockID)
1495 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption2");
1496 VERIFY_NON_NULL(pdu, TAG, "pdu");
1497 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1498 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1499 VERIFY_NON_NULL(info, TAG, "info");
1500 VERIFY_NON_NULL(blockID, TAG, "blockID");
1502 // get set block data from CABlock list-set.
1503 coap_block_t *block1 = CAGetBlockOption(blockID,
1504 COAP_OPTION_BLOCK1);
1505 coap_block_t *block2 = CAGetBlockOption(blockID,
1506 COAP_OPTION_BLOCK2);
1507 if (!block1 || !block2)
1509 OIC_LOG(ERROR, TAG, "getting has failed");
1510 return CA_STATUS_FAILED;
1513 CALogBlockInfo(block2);
1516 if (CA_MSG_ACKNOWLEDGE == (*pdu)->hdr->coap_hdr_udp_t.type ||
1517 (CA_MSG_NONCONFIRM == (*pdu)->hdr->coap_hdr_udp_t.type &&
1518 CA_GET != (*pdu)->hdr->coap_hdr_udp_t.code))
1520 int32_t res = coap_write_block_opt(block2, COAP_OPTION_BLOCK2, *pdu, dataLength);
1523 case -2: /* illegal block */
1524 code = COAP_RESPONSE_CODE(CA_BAD_REQ);
1525 OIC_LOG(ERROR, TAG, "write block option : -2");
1527 case -1: /* should really not happen */
1528 OIC_LOG(ERROR, TAG, "write block option : -1");
1530 case -3: /* cannot handle request */
1531 code = COAP_RESPONSE_CODE(CA_INTERNAL_SERVER_ERROR);
1532 OIC_LOG(ERROR, TAG, "write block option : -3");
1535 OIC_LOG(INFO, TAG, "success write block option");
1537 CALogBlockInfo(block2);
1541 OIC_LOG(DEBUG, TAG, "combining block1 and block2");
1542 CAResult_t res = CAAddBlockOptionImpl(*pdu, block1, COAP_OPTION_BLOCK1);
1543 if (CA_STATUS_OK != res)
1545 OIC_LOG(ERROR, TAG, "add has failed");
1546 CARemoveBlockDataFromList(blockID);
1549 // initialize block number
1553 // if block number is 0, add size2 option
1554 if (0 == block2->num)
1556 res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE2, dataLength);
1557 if (CA_STATUS_OK != res)
1559 OIC_LOG(ERROR, TAG, "add has failed");
1560 CARemoveBlockDataFromList(blockID);
1565 if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info->payload,
1566 block2->num, block2->szx))
1568 OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
1569 return CA_STATUS_FAILED;
1574 // if sent message is last response block message, remove data
1575 CARemoveBlockDataFromList(blockID);
1579 if (CA_MSG_NONCONFIRM == (*pdu)->hdr->coap_hdr_udp_t.type)
1581 OIC_LOG(DEBUG, TAG, "NON, send next block..");
1582 // update block data
1584 CAResult_t res = CAProcessNextStep(*pdu, NULL,
1585 CA_SENT_PREVIOUS_NON_MSG,
1587 if (CA_STATUS_OK != res)
1589 OIC_LOG(ERROR, TAG, "failed to process next step");
1590 CARemoveBlockDataFromList(blockID);
1598 OIC_LOG(DEBUG, TAG, "option2, not ACK msg");
1599 CAResult_t res = CAAddBlockOptionImpl(*pdu, block2, COAP_OPTION_BLOCK2);
1600 if (CA_STATUS_OK != res)
1602 OIC_LOG(ERROR, TAG, "add has failed");
1603 CARemoveBlockDataFromList(blockID);
1608 return CA_STATUS_OK;
1611 OIC_LOG_V(ERROR, TAG, "error : %d", code);
1613 char* phrase = coap_response_phrase(code);
1616 coap_add_data(*pdu, strlen(phrase),
1617 (unsigned char *) phrase);
1619 return CA_STATUS_FAILED;
1622 CAResult_t CAAddBlockOption1(coap_pdu_t **pdu, const CAInfo_t *info, size_t dataLength,
1623 const CABlockDataID_t *blockID)
1625 OIC_LOG(DEBUG, TAG, "IN-AddBlockOption1");
1626 VERIFY_NON_NULL(pdu, TAG, "pdu");
1627 VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
1628 VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
1629 VERIFY_NON_NULL(info, TAG, "info");
1630 VERIFY_NON_NULL(blockID, TAG, "blockID");
1632 // get set block data from CABlock list-set.
1633 coap_block_t *block1 = CAGetBlockOption(blockID, COAP_OPTION_BLOCK1);
1636 OIC_LOG(ERROR, TAG, "getting has failed");
1637 return CA_STATUS_FAILED;
1640 CALogBlockInfo(block1);
1642 if (CA_MSG_ACKNOWLEDGE == (*pdu)->hdr->coap_hdr_udp_t.type)
1644 OIC_LOG(DEBUG, TAG, "option1 and ACK msg..");
1645 CAResult_t res = CAAddBlockOptionImpl(*pdu, block1, COAP_OPTION_BLOCK1);
1646 if (CA_STATUS_OK != res)
1648 OIC_LOG(ERROR, TAG, "add has failed");
1649 CARemoveBlockDataFromList(blockID);
1653 if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info->payload))
1655 OIC_LOG(ERROR, TAG, "failed to add payload");
1656 return CA_STATUS_FAILED;
1659 // reset block-list after write block
1662 // remove data from list
1663 CAResult_t res = CARemoveBlockDataFromList(blockID);
1664 if (CA_STATUS_OK != res)
1666 OIC_LOG(ERROR, TAG, "remove has failed");
1673 CAGetMoreBitFromBlock(dataLength, block1);
1674 CAResult_t res = CAAddBlockOptionImpl(*pdu, block1, COAP_OPTION_BLOCK1);
1675 if (CA_STATUS_OK != res)
1677 OIC_LOG(ERROR, TAG, "add has failed");
1678 CARemoveBlockDataFromList(blockID);
1681 CALogBlockInfo(block1);
1683 // if block number is 0, add size1 option
1684 if (0 == block1->num)
1686 res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE1, dataLength);
1687 if (CA_STATUS_OK != res)
1689 OIC_LOG(ERROR, TAG, "add has failed");
1690 CARemoveBlockDataFromList(blockID);
1695 if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info->payload,
1696 block1->num, block1->szx))
1698 OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
1699 return CA_STATUS_FAILED;
1702 // check the message type and if message type is NON, next block message will be sent
1703 if (CA_MSG_NONCONFIRM == (*pdu)->hdr->coap_hdr_udp_t.type)
1707 OIC_LOG(DEBUG, TAG, "NON, send next block..");
1708 // update block data
1710 CAResult_t res = CAProcessNextStep(*pdu, NULL,
1711 CA_SENT_PREVIOUS_NON_MSG,
1713 if (CA_STATUS_OK != res)
1715 OIC_LOG(ERROR, TAG, "failed to process next step");
1716 CARemoveBlockDataFromList(blockID);
1722 CARemoveBlockDataFromList(blockID);
1727 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption1");
1729 return CA_STATUS_OK;
1732 CAResult_t CAAddBlockOptionImpl(coap_pdu_t *pdu, coap_block_t *block, uint8_t blockType)
1734 OIC_LOG(DEBUG, TAG, "IN-AddBlockOptionImpl");
1735 VERIFY_NON_NULL(pdu, TAG, "pdu");
1736 VERIFY_NON_NULL(block, TAG, "block");
1738 coap_option *option = (coap_option *) OICMalloc(sizeof(coap_option));
1741 OIC_LOG(ERROR, TAG, "out of memory");
1742 return CA_MEMORY_ALLOC_FAILED;
1745 unsigned char buf[BLOCKWISE_OPTION_BUFFER] = { 0 };
1746 option->key = blockType;
1747 option->length = coap_encode_var_bytes(buf,
1748 ((block->num << BLOCK_NUMBER_IDX)
1749 | (block->m << BLOCK_M_BIT_IDX) | block->szx));
1750 if (!coap_add_option(pdu, option->key, option->length, buf, coap_udp))
1752 OIC_LOG(ERROR, TAG, "coap_add_option has failed");
1754 return CA_STATUS_FAILED;
1759 OIC_LOG(DEBUG, TAG, "OUT-AddBlockOptionImpl");
1760 return CA_STATUS_OK;
1763 CAResult_t CAAddBlockSizeOption(coap_pdu_t *pdu, uint16_t sizeType, size_t dataLength)
1765 OIC_LOG(DEBUG, TAG, "IN-CAAddBlockSizeOption");
1766 VERIFY_NON_NULL(pdu, TAG, "pdu");
1768 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1770 OIC_LOG(ERROR, TAG, "unknown option type");
1771 return CA_STATUS_FAILED;
1774 unsigned char value[BLOCKWISE_OPTION_BUFFER] = { 0 };
1775 unsigned int optionLength = coap_encode_var_bytes(value, dataLength);
1777 if (!coap_add_option(pdu, sizeType, optionLength, value, coap_udp))
1779 OIC_LOG(ERROR, TAG, "failed to add size option");
1780 return CA_STATUS_FAILED;
1783 OIC_LOG(DEBUG, TAG, "OUT-CAAddBlockSizeOption");
1785 return CA_STATUS_OK;
1788 // TODO make pdu const after libcoap is updated to support that.
1789 bool CAIsPayloadLengthInPduWithBlockSizeOption(coap_pdu_t *pdu,
1791 size_t *totalPayloadLen)
1793 OIC_LOG(DEBUG, TAG, "IN-CAIsPayloadLengthInPduWithBlockSizeOption");
1794 VERIFY_NON_NULL(pdu, TAG, "pdu");
1795 VERIFY_NON_NULL(totalPayloadLen, TAG, "totalPayloadLen");
1797 if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
1799 OIC_LOG(ERROR, TAG, "unknown option type");
1800 return CA_STATUS_FAILED;
1803 coap_opt_iterator_t opt_iter;
1804 coap_opt_t *option = coap_check_option(pdu, sizeType, &opt_iter);
1807 OIC_LOG(DEBUG, TAG, "get size option from pdu");
1808 *totalPayloadLen = coap_decode_var_bytes(COAP_OPT_VALUE(option),
1809 COAP_OPT_LENGTH(option));
1811 OIC_LOG_V(DEBUG, TAG, "the total payload length to be received is [%d]bytes",
1817 OIC_LOG(DEBUG, TAG, "OUT-CAIsPayloadLengthInPduWithBlockSizeOption");
1822 uint8_t CACheckBlockErrorType(CABlockData_t *currData, coap_block_t *receivedBlock,
1823 const CAData_t *receivedData, uint16_t blockType,
1826 OIC_LOG(DEBUG, TAG, "IN-CheckBlockError");
1828 VERIFY_NON_NULL(currData, TAG, "currData is NULL");
1829 VERIFY_NON_NULL(receivedBlock, TAG, "receivedBlock is NULL");
1830 VERIFY_NON_NULL(receivedData, TAG, "receivedData is NULL");
1832 // #1. check the received payload length
1833 size_t blockPayloadLen = 0;
1834 CAGetPayloadInfo(receivedData, &blockPayloadLen);
1836 // #2. check if the block sequence is right
1837 if (COAP_OPTION_BLOCK1 == blockType)
1839 size_t prePayloadLen = currData->receivedPayloadLen;
1840 if (prePayloadLen != (size_t)BLOCK_SIZE(receivedBlock->szx)
1841 * receivedBlock->num)
1843 if (receivedBlock->num > currData->block1.num + 1)
1845 // 408 Error handling of block loss
1846 OIC_LOG(ERROR, TAG, "option1: error 4.08");
1847 OIC_LOG(ERROR, TAG, "it didn't order");
1848 return CA_BLOCK_INCOMPLETE;
1850 return CA_BLOCK_RECEIVED_ALREADY;
1853 else if (COAP_OPTION_BLOCK2 == blockType)
1855 if (receivedBlock->num != currData->block2.num)
1857 if (receivedBlock->num > currData->block2.num)
1859 // 408 Error handling of block loss
1860 OIC_LOG(ERROR, TAG, "option2: error 4.08");
1861 OIC_LOG(ERROR, TAG, "it didn't order");
1862 return CA_BLOCK_INCOMPLETE;
1864 return CA_BLOCK_RECEIVED_ALREADY;
1868 // #3. check if error check logic is required
1869 size_t optionLen = dataLen - blockPayloadLen;
1870 if (receivedBlock->m && blockPayloadLen !=
1871 (size_t)BLOCK_SIZE(receivedBlock->szx))
1873 // 413 Error handling of too large entity
1874 if (COAP_MAX_PDU_SIZE < BLOCK_SIZE(receivedBlock->szx) + optionLen)
1876 // buffer size is smaller than received block size
1877 OIC_LOG(ERROR, TAG, "error type 4.13");
1878 OIC_LOG(ERROR, TAG, "too large size");
1880 // set the block size to be smaller than COAP_MAX_PDU_SIZE
1881 for (int32_t size = CA_DEFAULT_BLOCK_SIZE; size >= 0; size--)
1883 if (COAP_MAX_PDU_SIZE >= BLOCK_SIZE(size) + optionLen)
1885 OIC_LOG_V(ERROR, TAG, "replace sze with %d", size);
1886 if (COAP_OPTION_BLOCK2 == blockType)
1888 currData->block2.szx = size;
1892 currData->block1.szx = size;
1897 return CA_BLOCK_TOO_LARGE;
1901 // 408 Error handling of payload loss
1902 OIC_LOG(ERROR, TAG, "error type 4.08");
1903 OIC_LOG(ERROR, TAG, "payload len != block sze");
1904 return CA_BLOCK_INCOMPLETE;
1907 else if (0 == receivedBlock->m && 0 != currData->payloadLength)
1909 // if the received block is last block, check the total payload length
1910 size_t receivedPayloadLen = currData->receivedPayloadLen;
1911 receivedPayloadLen += blockPayloadLen;
1913 if (receivedPayloadLen != currData->payloadLength)
1915 OIC_LOG(ERROR, TAG, "error type 4.08");
1916 OIC_LOG(ERROR, TAG, "total payload length is wrong");
1917 return CA_BLOCK_INCOMPLETE;
1921 OIC_LOG(DEBUG, TAG, "received all data normally");
1923 OIC_LOG(DEBUG, TAG, "OUT-CheckBlockError");
1925 return CA_BLOCK_UNKNOWN;
1928 CAResult_t CAUpdatePayloadData(CABlockData_t *currData, const CAData_t *receivedData,
1929 uint8_t status, bool isSizeOption, uint16_t blockType)
1931 OIC_LOG(DEBUG, TAG, "IN-UpdatePayloadData");
1933 VERIFY_NON_NULL(currData, TAG, "currData");
1934 VERIFY_NON_NULL(receivedData, TAG, "receivedData");
1936 // if error code is 4.08, do not update payload
1937 if (CA_BLOCK_INCOMPLETE == status)
1939 OIC_LOG(ERROR, TAG, "no require to update");
1940 return CA_STATUS_OK;
1943 size_t blockPayloadLen = 0;
1944 CAPayload_t blockPayload = CAGetPayloadInfo(receivedData, &blockPayloadLen);
1946 if (CA_BLOCK_TOO_LARGE == status)
1948 blockPayloadLen = (COAP_OPTION_BLOCK2 == blockType) ?
1949 BLOCK_SIZE(currData->block2.szx) : BLOCK_SIZE(currData->block1.szx);
1952 // memory allocation for the received block payload
1953 size_t prePayloadLen = currData->receivedPayloadLen;
1956 if (currData->payloadLength)
1958 // in case the block message has the size option
1959 // allocate the memory for the total payload
1962 CAPayload_t prePayload = currData->payload;
1964 OIC_LOG(DEBUG, TAG, "allocate memory for the total payload");
1965 currData->payload = (CAPayload_t) OICCalloc(1, currData->payloadLength);
1966 if (NULL == currData->payload)
1968 OIC_LOG(ERROR, TAG, "out of memory");
1969 return CA_MEMORY_ALLOC_FAILED;
1971 memcpy(currData->payload, prePayload, prePayloadLen);
1972 OICFree(prePayload);
1975 // update the total payload
1976 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
1980 OIC_LOG(DEBUG, TAG, "allocate memory for the received block payload");
1982 size_t totalPayloadLen = prePayloadLen + blockPayloadLen;
1983 CAPayload_t newPayload = OICRealloc(currData->payload, totalPayloadLen);
1984 if (NULL == newPayload)
1986 OIC_LOG(ERROR, TAG, "out of memory");
1987 return CA_MEMORY_ALLOC_FAILED;
1990 // update the total payload
1991 memset(newPayload + prePayloadLen, 0, blockPayloadLen);
1992 currData->payload = newPayload;
1993 memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
1996 // update received payload length
1997 currData->receivedPayloadLen += blockPayloadLen;
1999 OIC_LOG_V(DEBUG, TAG, "updated payload: %s, len: %d", currData->payload,
2000 currData->receivedPayloadLen);
2003 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayloadData");
2004 return CA_STATUS_OK;
2007 CAData_t* CACreateNewDataSet(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint)
2009 VERIFY_NON_NULL_RET(pdu, TAG, "pdu", NULL);
2010 VERIFY_NON_NULL_RET(pdu->hdr, TAG, "pdu->hdr", NULL);
2011 VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
2013 CAInfo_t responseData = { .tokenLength = pdu->hdr->coap_hdr_udp_t.token_length };
2014 responseData.token = (CAToken_t) OICMalloc(responseData.tokenLength);
2015 if (!responseData.token)
2017 OIC_LOG(ERROR, TAG, "out of memory");
2020 memcpy(responseData.token, pdu->hdr->coap_hdr_udp_t.token, responseData.tokenLength);
2022 CAResponseInfo_t* responseInfo = (CAResponseInfo_t*) OICCalloc(1, sizeof(CAResponseInfo_t));
2025 OIC_LOG(ERROR, TAG, "out of memory");
2026 OICFree(responseData.token);
2029 responseInfo->info = responseData;
2031 CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
2034 OIC_LOG(ERROR, TAG, "out of memory");
2035 OICFree(responseInfo);
2039 data->requestInfo = NULL;
2040 data->responseInfo = responseInfo;
2041 data->remoteEndpoint = CACloneEndpoint(endpoint);
2042 data->type = SEND_TYPE_UNICAST;
2047 CAData_t *CACloneCAData(const CAData_t *data)
2049 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2051 CAData_t *clone = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
2054 OIC_LOG(ERROR, TAG, "out of memory");
2059 if (data->requestInfo)
2061 clone->requestInfo = CACloneRequestInfo(data->requestInfo);
2063 else if (data->responseInfo)
2065 clone->responseInfo = CACloneResponseInfo(data->responseInfo);
2068 if (data->remoteEndpoint)
2070 clone->remoteEndpoint = CACloneEndpoint(data->remoteEndpoint);
2076 CAResult_t CAUpdatePayloadToCAData(CAData_t *data, const CAPayload_t payload,
2079 OIC_LOG(DEBUG, TAG, "IN-UpdatePayload");
2081 VERIFY_NON_NULL(data, TAG, "data is NULL");
2082 VERIFY_NON_NULL(payload, TAG, "payload is NULL");
2084 CAPayload_t newPayload = NULL;
2085 switch (data->dataType)
2087 case CA_REQUEST_DATA:
2088 if (!data->requestInfo)
2090 OIC_LOG(ERROR, TAG, "request info is null");
2091 return CA_STATUS_FAILED;
2093 // allocate payload field
2094 newPayload = OICRealloc(data->requestInfo->info.payload, payloadLen);
2097 OIC_LOG(ERROR, TAG, "out of memory");
2098 return CA_STATUS_FAILED;
2100 data->requestInfo->info.payload = newPayload;
2101 memcpy(data->requestInfo->info.payload, payload, payloadLen);
2102 data->requestInfo->info.payloadSize = payloadLen;
2105 case CA_RESPONSE_DATA:
2106 if (!data->responseInfo)
2108 OIC_LOG(ERROR, TAG, "response info is null");
2109 return CA_STATUS_FAILED;
2111 // allocate payload field
2112 newPayload = OICRealloc(data->responseInfo->info.payload, payloadLen);
2115 OIC_LOG(ERROR, TAG, "out of memory");
2116 return CA_STATUS_FAILED;
2118 data->responseInfo->info.payload = newPayload;
2119 memcpy(data->responseInfo->info.payload, payload, payloadLen);
2120 data->responseInfo->info.payloadSize = payloadLen;
2124 // does not occur case
2125 OIC_LOG(ERROR, TAG, "not supported data type");
2126 return CA_NOT_SUPPORTED;
2129 OIC_LOG(DEBUG, TAG, "OUT-UpdatePayload");
2131 return CA_STATUS_OK;
2134 CAPayload_t CAGetPayloadInfo(const CAData_t *data, size_t *payloadLen)
2136 VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
2137 VERIFY_NON_NULL_RET(payloadLen, TAG, "payloadLen", NULL);
2139 if (data->requestInfo)
2141 if (data->requestInfo->info.payload)
2143 *payloadLen = data->requestInfo->info.payloadSize;
2144 return data->requestInfo->info.payload;
2149 if (data->responseInfo->info.payload)
2151 *payloadLen = data->responseInfo->info.payloadSize;
2152 return data->responseInfo->info.payload;
2159 CAResult_t CAHandleBlockErrorResponse(coap_block_t *block, uint16_t blockType,
2160 uint32_t responseResult)
2162 OIC_LOG(DEBUG, TAG, "IN-HandleBlockErrorRes");
2163 VERIFY_NON_NULL(block, TAG, "block is NULL");
2165 // update block data
2166 switch (responseResult)
2168 case CA_REQUEST_ENTITY_INCOMPLETE:
2171 case CA_REQUEST_ENTITY_TOO_LARGE:
2172 if (COAP_OPTION_BLOCK1 == blockType)
2179 OIC_LOG_V(ERROR, TAG, "there is no Error Code of BWT[%d]", responseResult);
2182 OIC_LOG(DEBUG, TAG, "OUT-HandleBlockErrorRes");
2183 return CA_STATUS_OK;
2186 CAResult_t CAUpdateBlockOptionType(const CABlockDataID_t *blockID,
2189 OIC_LOG(DEBUG, TAG, "IN-UpdateBlockOptionType");
2190 VERIFY_NON_NULL(blockID, TAG, "blockID");
2192 ca_mutex_lock(g_context.blockDataListMutex);
2194 size_t len = u_arraylist_length(g_context.dataList);
2195 for (size_t i = 0; i < len; i++)
2197 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2198 if (CABlockidMatches(currData, blockID))
2200 currData->type = blockType;
2201 ca_mutex_unlock(g_context.blockDataListMutex);
2202 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2203 return CA_STATUS_OK;
2206 ca_mutex_unlock(g_context.blockDataListMutex);
2208 OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
2209 return CA_STATUS_FAILED;
2212 uint8_t CAGetBlockOptionType(const CABlockDataID_t *blockID)
2214 OIC_LOG(DEBUG, TAG, "IN-GetBlockOptionType");
2215 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", 0);
2217 ca_mutex_lock(g_context.blockDataListMutex);
2219 size_t len = u_arraylist_length(g_context.dataList);
2220 for (size_t i = 0; i < len; i++)
2222 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2223 if (CABlockidMatches(currData, blockID))
2225 ca_mutex_unlock(g_context.blockDataListMutex);
2226 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2227 return currData->type;
2230 ca_mutex_unlock(g_context.blockDataListMutex);
2232 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
2236 CAData_t *CAGetDataSetFromBlockDataList(const CABlockDataID_t *blockID)
2238 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2240 ca_mutex_lock(g_context.blockDataListMutex);
2242 size_t len = u_arraylist_length(g_context.dataList);
2243 for (size_t i = 0; i < len; i++)
2245 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2246 if (CABlockidMatches(currData, blockID))
2248 ca_mutex_unlock(g_context.blockDataListMutex);
2249 return currData->sentData;
2252 ca_mutex_unlock(g_context.blockDataListMutex);
2257 CAResult_t CAGetTokenFromBlockDataList(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
2258 CAResponseInfo_t *responseInfo)
2260 OIC_LOG(DEBUG, TAG, "IN-CAGetTokenFromBlockDataList");
2261 VERIFY_NON_NULL(pdu, TAG, "pdu");
2262 VERIFY_NON_NULL(endpoint, TAG, "endpoint");
2263 VERIFY_NON_NULL(responseInfo, TAG, "responseInfo");
2265 ca_mutex_lock(g_context.blockDataListMutex);
2267 size_t len = u_arraylist_length(g_context.dataList);
2268 for (size_t i = 0; i < len; i++)
2270 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2271 if (NULL == currData)
2276 if (NULL != currData->sentData && NULL != currData->sentData->requestInfo)
2278 if (pdu->hdr->coap_hdr_udp_t.id == currData->sentData->requestInfo->info.messageId &&
2279 endpoint->adapter == currData->sentData->remoteEndpoint->adapter)
2281 if (NULL != currData->sentData->requestInfo->info.token)
2283 uint8_t length = currData->sentData->requestInfo->info.tokenLength;
2284 responseInfo->info.tokenLength = length;
2285 responseInfo->info.token = (char *) OICMalloc(length);
2286 if (NULL == responseInfo->info.token)
2288 OIC_LOG(ERROR, TAG, "out of memory");
2289 ca_mutex_unlock(g_context.blockDataListMutex);
2290 return CA_MEMORY_ALLOC_FAILED;
2292 memcpy(responseInfo->info.token, currData->sentData->requestInfo->info.token,
2293 responseInfo->info.tokenLength);
2295 ca_mutex_unlock(g_context.blockDataListMutex);
2296 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2297 return CA_STATUS_OK;
2303 ca_mutex_unlock(g_context.blockDataListMutex);
2305 OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
2306 return CA_STATUS_OK;
2309 CAResult_t CACheckBlockDataValidation(const CAData_t *sendData, CABlockData_t **blockData)
2311 VERIFY_NON_NULL(sendData, TAG, "sendData");
2312 VERIFY_NON_NULL(blockData, TAG, "blockData");
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);
2326 if (sendData->requestInfo) // sendData is requestMessage
2328 OIC_LOG(DEBUG, TAG, "Send request");
2329 if (NULL != currData->blockDataId
2330 && NULL != currData->blockDataId->id
2331 && currData->blockDataId->idLength > 0
2332 && NULL != sendData->requestInfo->info.token)
2334 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2335 (CAToken_t)sendData->requestInfo->info.token,
2336 sendData->requestInfo->info.tokenLength,
2337 sendData->remoteEndpoint->port);
2339 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2341 OIC_LOG(ERROR, TAG, "blockId is null");
2342 CADestroyBlockID(blockDataID);
2343 return CA_STATUS_FAILED;
2346 if (CABlockidMatches(currData, blockDataID))
2348 OIC_LOG(ERROR, TAG, "already sent");
2349 CADestroyBlockID(blockDataID);
2352 CADestroyBlockID(blockDataID);
2355 else if (sendData->responseInfo) // sendData is responseMessage
2357 OIC_LOG(DEBUG, TAG, "Send response");
2358 if (NULL != currData->blockDataId
2359 && NULL != currData->blockDataId->id
2360 && currData->blockDataId->idLength > 0
2361 && NULL != sendData->responseInfo->info.token)
2363 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2364 (CAToken_t)sendData->responseInfo->info.token,
2365 sendData->responseInfo->info.tokenLength,
2366 sendData->remoteEndpoint->port);
2368 if(NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2370 OIC_LOG(ERROR, TAG, "blockId is null");
2371 CADestroyBlockID(blockDataID);
2372 return CA_STATUS_FAILED;
2375 if (CABlockidMatches(currData, blockDataID))
2378 if (NULL != currData->sentData)
2380 OIC_LOG(DEBUG, TAG, "init block number");
2381 CADestroyDataSet(currData->sentData);
2383 currData->sentData = CACloneCAData(sendData);
2384 *blockData = currData;
2385 CADestroyBlockID(blockDataID);
2386 ca_mutex_unlock(g_context.blockDataListMutex);
2387 return CA_STATUS_OK;
2389 CADestroyBlockID(blockDataID);
2394 OIC_LOG(ERROR, TAG, "no CAInfo data");
2398 ca_mutex_unlock(g_context.blockDataListMutex);
2400 return CA_STATUS_FAILED;
2403 CABlockData_t *CAGetBlockDataFromBlockDataList(const CABlockDataID_t *blockID)
2405 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2407 ca_mutex_lock(g_context.blockDataListMutex);
2409 size_t len = u_arraylist_length(g_context.dataList);
2410 for (size_t i = 0; i < len; i++)
2412 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2413 if (CABlockidMatches(currData, blockID))
2415 ca_mutex_unlock(g_context.blockDataListMutex);
2419 ca_mutex_unlock(g_context.blockDataListMutex);
2424 coap_block_t *CAGetBlockOption(const CABlockDataID_t *blockID,
2427 OIC_LOG(DEBUG, TAG, "IN-GetBlockOption");
2428 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2430 ca_mutex_lock(g_context.blockDataListMutex);
2432 size_t len = u_arraylist_length(g_context.dataList);
2433 for (size_t i = 0; i < len; i++)
2435 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2436 if (CABlockidMatches(currData, blockID))
2438 ca_mutex_unlock(g_context.blockDataListMutex);
2439 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2440 if (COAP_OPTION_BLOCK2 == blockType)
2442 return &currData->block2;
2446 return &currData->block1;
2450 ca_mutex_unlock(g_context.blockDataListMutex);
2452 OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
2456 CAPayload_t CAGetPayloadFromBlockDataList(const CABlockDataID_t *blockID,
2457 size_t *fullPayloadLen)
2459 OIC_LOG(DEBUG, TAG, "IN-GetFullPayload");
2460 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", NULL);
2461 VERIFY_NON_NULL_RET(fullPayloadLen, TAG, "fullPayloadLen", NULL);
2463 ca_mutex_lock(g_context.blockDataListMutex);
2465 size_t len = u_arraylist_length(g_context.dataList);
2466 for (size_t i = 0; i < len; i++)
2468 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2469 if (CABlockidMatches(currData, blockID))
2471 ca_mutex_unlock(g_context.blockDataListMutex);
2472 *fullPayloadLen = currData->receivedPayloadLen;
2473 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2474 return currData->payload;
2477 ca_mutex_unlock(g_context.blockDataListMutex);
2479 OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
2483 CABlockData_t *CACreateNewBlockData(const CAData_t *sendData)
2485 OIC_LOG(DEBUG, TAG, "IN-CACreateNewBlockData");
2486 VERIFY_NON_NULL_RET(sendData, TAG, "sendData", NULL);
2488 // create block data
2489 CABlockData_t *data = (CABlockData_t *) OICCalloc(1, sizeof(CABlockData_t));
2492 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2496 data->block1.szx = CA_DEFAULT_BLOCK_SIZE;
2497 data->block2.szx = CA_DEFAULT_BLOCK_SIZE;
2498 data->sentData = CACloneCAData(sendData);
2501 OIC_LOG(ERROR, TAG, PCF("memory alloc has failed"));
2506 CAToken_t token = NULL;
2507 uint8_t tokenLength = 0;
2508 if (data->sentData->requestInfo)
2510 // update token info
2511 tokenLength = data->sentData->requestInfo->info.tokenLength;
2512 token = data->sentData->requestInfo->info.token;
2514 else if(data->sentData->responseInfo)
2516 tokenLength = data->sentData->responseInfo->info.tokenLength;
2517 token = data->sentData->responseInfo->info.token;
2520 CABlockDataID_t* blockDataID = CACreateBlockDatablockId(
2522 data->sentData->remoteEndpoint->port);
2523 if (NULL == blockDataID || NULL == blockDataID->id || blockDataID->idLength < 1)
2525 OIC_LOG(ERROR, TAG, "blockId is null");
2526 CADestroyBlockID(blockDataID);
2527 CADestroyDataSet(data->sentData);
2531 data->blockDataId = blockDataID;
2533 ca_mutex_lock(g_context.blockDataListMutex);
2535 bool res = u_arraylist_add(g_context.dataList, (void *) data);
2538 OIC_LOG(ERROR, TAG, "add has failed");
2539 CADestroyBlockID(data->blockDataId);
2540 CADestroyDataSet(data->sentData);
2542 ca_mutex_unlock(g_context.blockDataListMutex);
2545 ca_mutex_unlock(g_context.blockDataListMutex);
2547 OIC_LOG(DEBUG, TAG, "OUT-CreateBlockData");
2551 CAResult_t CARemoveBlockDataFromList(const CABlockDataID_t *blockID)
2553 OIC_LOG(DEBUG, TAG, "CARemoveBlockData");
2554 VERIFY_NON_NULL(blockID, TAG, "blockID");
2556 ca_mutex_lock(g_context.blockDataListMutex);
2558 size_t len = u_arraylist_length(g_context.dataList);
2559 for (size_t i = 0; i < len; i++)
2561 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2562 if (CABlockidMatches(currData, blockID))
2564 CABlockData_t *removedData = u_arraylist_remove(g_context.dataList, i);
2567 OIC_LOG(ERROR, TAG, "data is NULL");
2568 ca_mutex_unlock(g_context.blockDataListMutex);
2569 return CA_STATUS_FAILED;
2573 if (currData->sentData)
2575 CADestroyDataSet(currData->sentData);
2577 CADestroyBlockID(currData->blockDataId);
2578 OICFree(currData->payload);
2580 ca_mutex_unlock(g_context.blockDataListMutex);
2581 return CA_STATUS_OK;
2584 ca_mutex_unlock(g_context.blockDataListMutex);
2586 return CA_STATUS_OK;
2589 bool CAIsBlockDataInList(const CABlockDataID_t *blockID)
2591 OIC_LOG(DEBUG, TAG, "IN-IsBlockDataInList");
2592 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", false);
2594 ca_mutex_lock(g_context.blockDataListMutex);
2596 size_t len = u_arraylist_length(g_context.dataList);
2597 for (size_t i = 0; i < len; i++)
2599 CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
2600 if (CABlockidMatches(currData, blockID))
2602 OIC_LOG(DEBUG, TAG, "found block data");
2603 ca_mutex_unlock(g_context.blockDataListMutex);
2607 ca_mutex_unlock(g_context.blockDataListMutex);
2609 OIC_LOG(DEBUG, TAG, "OUT-IsBlockDataInList");
2613 void CADestroyDataSet(CAData_t* data)
2615 VERIFY_NON_NULL_VOID(data, TAG, "data");
2617 CAFreeEndpoint(data->remoteEndpoint);
2618 CADestroyRequestInfoInternal(data->requestInfo);
2619 CADestroyResponseInfoInternal(data->responseInfo);
2623 CABlockDataID_t* CACreateBlockDatablockId(const CAToken_t token, uint8_t tokenLength,
2624 uint16_t portNumber)
2626 VERIFY_NON_NULL_RET(token, TAG, "token", NULL);
2628 char port[PORT_LENGTH] = {0,};
2629 port[0] = (char)((portNumber>>8) & 0xFF);
2630 port[1] = (char)(portNumber & 0xFF);
2632 CABlockDataID_t* blockDataID = (CABlockDataID_t *) OICMalloc(sizeof(CABlockDataID_t));
2635 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2638 blockDataID->idLength = tokenLength + sizeof(port);
2639 blockDataID->id = (uint8_t *) OICMalloc(blockDataID->idLength);
2640 if (!blockDataID->id)
2642 OIC_LOG(ERROR, TAG, "memory alloc has failed");
2643 OICFree(blockDataID);
2647 memcpy(blockDataID->id, token, tokenLength);
2648 memcpy(blockDataID->id + tokenLength, port, sizeof(port));
2650 OIC_LOG(DEBUG, TAG, "BlockID is ");
2651 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *)blockDataID->id, blockDataID->idLength);
2656 void CADestroyBlockID(CABlockDataID_t *blockID)
2658 VERIFY_NON_NULL_VOID(blockID, TAG, "blockID");
2659 OICFree(blockID->id);
2664 bool CABlockidMatches(const CABlockData_t *currData, const CABlockDataID_t *blockID)
2666 VERIFY_NON_NULL_RET(currData, TAG, "currData", false);
2667 VERIFY_NON_NULL_RET(blockID, TAG, "blockID", false);
2668 VERIFY_NON_NULL_RET(blockID->id, TAG, "blockID->id", false);
2670 if ((currData->blockDataId)
2671 && (currData->blockDataId->id)
2672 && (currData->blockDataId->idLength == blockID->idLength)
2673 && !memcmp(currData->blockDataId->id, blockID->id, currData->blockDataId->idLength))
2680 void CALogBlockInfo(coap_block_t *block)
2682 VERIFY_NON_NULL_VOID(block, TAG, "block");
2684 OIC_LOG(DEBUG, TAG, "block option info");
2686 OIC_LOG_V(DEBUG, TAG, "block option-num : %d", block->num);
2688 OIC_LOG_V(DEBUG, TAG, "block option-m : %d", block->m);
2690 OIC_LOG_V(DEBUG, TAG, "block option-szx : %d", block->szx);