--- /dev/null
+/* *****************************************************************
+ *
+ * Copyright 2015 Samsung Electronics All Rights Reserved.
+ *
+ *
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************/
+
+/**
+ * @file
+ * This file contains common function for block messages.
+ */
+
+#ifndef CA_BLOCKWISETRANSFER_H_
+#define CA_BLOCKWISETRANSFER_H_
+
+#include <stdint.h>
+
+#include "coap.h"
+#include "cathreadpool.h"
+#include "camutex.h"
+#include "uarraylist.h"
+#include "cacommon.h"
+#include "caprotocolmessage.h"
+
+/**
+ * Callback to send block data
+ * @param[in] data send data
+ */
+typedef void (*CASendThreadFunc)(CAData_t *data);
+
+/**
+ * Callback to notify received data from the remote endpoint
+ * @param[in] data received data
+ */
+typedef void (*CAReceiveThreadFunc)(CAData_t *data);
+
+typedef struct
+{
+ /** send method for block data **/
+ CASendThreadFunc sendThreadFunc;
+
+ /** callback function for received message **/
+ CAReceiveThreadFunc receivedThreadFunc;
+
+ /** array list on which the thread is operating. **/
+ u_arraylist_t *dataList;
+
+ /** data list mutex for synchronization **/
+ ca_mutex blockDataListMutex;
+
+ /** sender mutex for synchronization **/
+ ca_mutex blockDataSenderMutex;
+} CABlockWiseContext_t;
+
+typedef struct
+{
+ coap_block_t block; /**< block option */
+ uint16_t type; /**< block option type */
+ CAToken_t token; /**< token for CA */
+ uint8_t tokenLength; /**< token length*/
+ CAData_t *sentData; /**< sent request or response data information */
+ CAPayload_t payload; /**< payload buffer */
+ size_t payloadLength; /**< the total payload length to be received */
+ size_t receivedPayloadLen; /**< currently received payload length */
+} CABlockData_t;
+
+/**
+ * CABlockState_t
+ * state of received block message from remote endpoint
+ */
+typedef enum
+{
+ CA_BLOCK_UNKNOWN = 0,
+ CA_OPTION1_ACK,
+ CA_OPTION1_NO_ACK_LAST_BLOCK,
+ CA_OPTION1_NO_ACK_BLOCK,
+ CA_OPTION2_FIRST_BLOCK,
+ CA_OPTION2_LAST_BLOCK,
+ CA_OPTION2_ACK,
+ CA_OPTION2_NON,
+ CA_OPTION2_CON,
+ CA_SENT_PREVIOUS_NON_MSG,
+ CA_BLOCK_INCOMPLETE,
+ CA_BLOCK_TOO_LARGE,
+ CA_BLOCK_RECEIVED_ALREADY
+} CABlockState_t;
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**
+ * Initializes the block-wise transfer context
+ * @param[in] CASendThreadFunc function point to add data in send queue thread
+ * @param[in] CAReceiveThreadFunc function point to add data in receive queue thread
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAInitializeBlockWiseTransfer(CASendThreadFunc blockSendMethod,
+ CAReceiveThreadFunc receivedDataCallback);
+
+/**
+ * Terminate the block-wise transfer context
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CATerminateBlockWiseTransfer();
+
+/**
+ * initialize mutex
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAInitBlockWiseMutexVariables();
+
+/**
+ * terminate mutex
+ */
+void CATerminateBlockWiseMutexVariables();
+
+/**
+ * Pass the bulk data. if block-wise transfer process need,
+ * bulk data will be sent to block messages.
+ * @param[in] data data for sending
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CASendBlockWiseData(const CAData_t *data);
+
+/**
+ * Add the data to send thread queue
+ * @param[in] sendData data for sending
+ * @param[in] token token of current message
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAAddSendThreadQueue(const CAData_t *sendData, const unsigned char* token);
+
+/**
+ * Check the block option type. If it has to be sent to a block,
+ * block option will be set.
+ * @param[in] currData block data
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CACheckBlockOptionType(CABlockData_t *currData);
+
+/**
+ * Pass the received pdu data. and check if block option is set.
+ * @param[in] pdu received pdu binary data
+ * @param[in] endpoint information of remote device
+ * @param[in] receivedData received CAData
+ * @param[in] dataLen received data length
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAReceiveBlockWiseData(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
+ const CAData_t *receivedData, size_t dataLen);
+
+/**
+ * process next step by block-wise state
+ * @param[in] pdu received pdu binary data
+ * @param[in] receivedData received CAData
+ * @param[in] blockWiseStatus block-wise state to move next step
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAProcessNextStep(const coap_pdu_t *pdu, const CAData_t *receivedData,
+ uint8_t blockWiseStatus);
+
+/**
+ * send block message to remote device
+ * @param[in] pdu received pdu binary data
+ * @param[in] msgType the message type of the block
+ * @param[in] status block-wise state to move next step
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CASendBlockMessage(const coap_pdu_t *pdu, CAMessageType_t msgType, uint8_t status);
+
+/**
+ * send error message to remote device
+ * @param[in] pdu received pdu binary data
+ * @param[in] status block-wise state to move next step
+ * @param[in] responseResult response result code
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CASendErrorMessage(const coap_pdu_t *pdu, uint8_t status,
+ CAResponseResult_t responseResult);
+
+/**
+ * receive last block data
+ * @param[in] pdu received pdu binary data
+ * @param[in] receivedData received CAData
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAReceiveLastBlock(const coap_pdu_t *pdu, const CAData_t *receivedData);
+
+/**
+ * set next block option 1
+ * @param[in] pdu received pdu binary data
+ * @param[in] endpoint information of remote device
+ * @param[in] receivedData received CAData
+ * @param[in] block block option data
+ * @param[in] dataLen received data length
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CASetNextBlockOption1(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
+ const CAData_t *receivedData, coap_block_t block,
+ size_t dataLen);
+
+/**
+ * set next block option 2
+ * @param[in] pdu received pdu binary data
+ * @param[in] endpoint information of remote device
+ * @param[in] receivedData received CAData
+ * @param[in] block block option data
+ * @param[in] dataLen received data length
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CASetNextBlockOption2(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
+ const CAData_t *receivedData, coap_block_t block,
+ size_t dataLen);
+
+/**
+ * Update the block option in block-wise transfer list
+ * @param[in] currData stored block data information
+ * @param[in] block block option to update
+ * @param[in] msgType message type of pdu
+ * @param[in] blockType block option type
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CANegotiateBlockSize(CABlockData_t *currData, coap_block_t *block,
+ CAMessageType_t msgType, uint16_t blockType);
+
+/**
+ * Update the block option in block-wise transfer list
+ * @param[in] currData stored block data information
+ * @param[in] block block option of current message
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAUpdateBlockData(CABlockData_t *currData, coap_block_t block);
+
+/**
+ * Update the messageId in block-wise transfer list
+ * @param[in] currData stored block data information
+ * @param[in] block block option of current message
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAUpdateMessageId(coap_pdu_t *pdu);
+
+/**
+ * Update the block option items
+ * @param[in] currData stored block data information
+ * @param[in] pdu received pdu binary data
+ * @param[in/out] block block option of current message
+ * @param[in] blockType block option type
+ * @param[in] status current flow status for block-wise transfer
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAUpdateBlockOptionItems(CABlockData_t *currData, const coap_pdu_t *pdu,
+ coap_block_t *block, uint16_t blockType,
+ uint32_t status);
+/**
+ * Set the M-bit of block option
+ * @param[in] payloadLen payload length of current bulk data
+ * @param[out] block block option
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAGetMoreBitFromBlock(size_t payloadLen, coap_block_t *block);
+
+/**
+ * check the block option what kind of option have to set.
+ * @param[out] pdu pdu object
+ * @param[in] info information of the request/response
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAAddBlockOption(coap_pdu_t **pdu, CAInfo_t info);
+
+/**
+ * Write the block option2 in pdu binary data.
+ * @param[out] pdu pdu object
+ * @param[in] info information of the request/response
+ * @param[in] dataLength length of payload
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAAddBlockOption2(coap_pdu_t **pdu, CAInfo_t info, size_t dataLength);
+
+/**
+ * Write the block option1 in pdu binary data.
+ * @param[out] pdu pdu object
+ * @param[in] info information of the request/response
+ * @param[in] dataLength length of payload
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAAddBlockOption1(coap_pdu_t **pdu, CAInfo_t info, size_t dataLength);
+
+/**
+ * Add the block option in pdu data
+ * @param[in] pdu pdu object
+ * @param[out] block block data
+ * @param[in] blockType block option type
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAAddBlockOptionImpl(coap_pdu_t *pdu, coap_block_t *block, uint8_t blockType);
+
+/**
+ * Add the size option in pdu data
+ * @param[in/out] pdu pdu object
+ * @param[in] sizeType size option type
+ * @param[in] dataLength the total payload length to be sent
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAAddBlockSizeOption(coap_pdu_t *pdu, uint16_t sizeType, size_t dataLength);
+
+/**
+ * Get the size option from pdu data
+ * @param[in] pdu pdu object
+ * @param[in] sizeType size option type
+ * @param[out] totalPayloadLen the total payload length to be received
+ * @return true or false
+ */
+bool CAIsPayloadLengthInPduWithBlockSizeOption(const coap_pdu_t *pdu,
+ uint16_t sizeType,
+ size_t *totalPayloadLen);
+
+/**
+ * update the total payload with the received payload
+ * @param[in] currData stored block data information
+ * @param[in] receivedData received CAData
+ * @param[in] status block-wise state
+ * @param[in] isSizeOption size option
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAUpdatePayloadData(CABlockData_t *currData, const CAData_t *receivedData,
+ uint8_t status, bool isSizeOption);
+
+/**
+ * Generate CAData structure from the given information.
+ * @param[in] pdu pdu object
+ * @param[in] endpoint information of remote device
+ * @return generated CAData
+ */
+CAData_t* CACreateNewDataSet(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint);
+
+/**
+ * Update the block option items
+ * @param[in/out] blockblock option of current message
+ * @param[in] blockType block option type
+ * @param[in] responseResult result code of pdu
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAHandleBlockErrorResponse(coap_block_t *block, uint16_t blockType,
+ uint32_t responseResult);
+
+/**
+ * Check the received payload and if an error happens, return error type
+ * @param[in/out] currData stored block data information
+ * @param[in] receivedBlock received block option
+ * @param[in] receivedData message type of pdu
+ * @param[in] blockType block option type
+ * @param[in] dataLen received data length
+ * @return block state
+ */
+uint8_t CACheckBlockErrorType(CABlockData_t *currData, coap_block_t *receivedBlock,
+ const CAData_t *receivedData, uint16_t blockType,
+ size_t dataLen);
+
+/**
+ * Destroys the given CAData
+ * @param[in] data CAData to destroy
+ * @return generated CAData
+ */
+void CADestroyDataSet(CAData_t* data);
+
+/**
+ * Print the given block option information
+ * @param[in] block block option information
+ */
+void CALogBlockInfo(coap_block_t *block);
+
+/**
+ * Create new CAData structure from the input information
+ * @param[in] data CAData information that needs to be duplicated
+ * @return created CAData structure
+ */
+CAData_t *CACloneCAData(const CAData_t *data);
+
+/**
+ * Update payload from the input information
+ * @param[in] data CAData information that needs to be updated
+ * @param[in] payload received new payload from the remote endpoint
+ * @param[in] payloadLen received full payload length
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAUpdatePayloadToCAData(CAData_t *data, const CAPayload_t payload,
+ size_t payloadLen);
+
+/**
+ * Get payload and payload length from the input information
+ * @param[in] data CAData information
+ * @param[out] payloadLen The payload length is stored.
+ * @return payload
+ */
+CAPayload_t CAGetPayloadInfo(const CAData_t *data, size_t *payloadLen);
+
+/**
+ * Set the block option type
+ * @param[in] token token of current message
+ * @param[in] blockType block option type
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAUpdateBlockOptionType(const unsigned char* token, uint8_t blockType);
+
+/**
+ * Get the block option type from block-wise transfer list
+ * @param[in] token token of current message
+ * @return block option type
+ */
+uint8_t CAGetBlockOptionType(const unsigned char* token);
+
+/**
+ * Get the block data from block-wise transfer list
+ * @param[in] token token of current message
+ * @return CAData structure
+ */
+CAData_t *CAGetDataSetFromBlockDataList(const unsigned char* token);
+
+/**
+ * Get token from block-wise transfer list
+ * @param[in] pdu received pdu binary data
+ * @param[in] endpoint remote endpoint information
+ * @param[in] responseInfo received response information
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CAGetTokenFromBlockDataList(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
+ CAResponseInfo_t *responseInfo);
+
+/**
+ * check whether the block data is valid or not
+ * @param[in] sendData CAData information
+ * @param[out] blockData block data when it is valid
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CACheckBlockDataValidation(const CAData_t *sendData, CABlockData_t **blockData);
+
+/**
+ * Get the block data from block-wise transfer list
+ * @param[in] token token of current message
+ * @return CABlockData_t structure
+ */
+CABlockData_t *CAGetBlockDataFromBlockDataList(const unsigned char* token);
+
+/**
+ * Get the block option from block-wise transfer list
+ * @param[in] token token of current message
+ * @return coap_block_t structure
+ */
+coap_block_t *CAGetBlockOption(const unsigned char* token);
+
+/**
+ * Get the full payload from block-wise list
+ * @param[in] token token of current message
+ * @param[out] fullPayloadLen received full payload length
+ * @return payload
+ */
+CAPayload_t CAGetPayloadFromBlockDataList(const unsigned char* token, size_t *fullPayloadLen);
+
+/**
+ * Create the block data from given data and add the data in block-wise transfer list
+ * @param[in] sendData data to be added to a list
+ * @return created CABlockData_t structure
+ * and NULL point will be returned if there is error case.
+ */
+CABlockData_t *CACreateNewBlockData(const CAData_t *sendData);
+
+/**
+ * Remove the block data in block-wise transfer list
+ * @param[in] token token of current message
+ * @return CA_STATUS_OK or ERROR CODES (CAResult_t error codes in cacommon.h)
+ */
+CAResult_t CARemoveBlockDataFromList(const unsigned char* token);
+
+/**
+ * Check if data exist in block-wise transfer list.
+ * @param[in] pdu pdu object
+ * @return true or false
+ */
+bool CAIsBlockDataInList(const coap_pdu_t *pdu);
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif // CA_BLOCKWISETRANSFER_H_
--- /dev/null
+/* ****************************************************************
+ *
+ * Copyright 2015 Samsung Electronics All Rights Reserved.
+ *
+ *
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************/
+
+// Defining _BSD_SOURCE or _DEFAULT_SOURCE causes header files to expose
+// definitions that may otherwise be skipped. Skipping can cause implicit
+// declaration warnings and/or bugs and subtle problems in code execution.
+// For glibc information on feature test macros,
+// Refer http://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
+//
+// This file requires #define use due to random()
+// For details on compatibility and glibc support,
+// Refer http://www.gnu.org/software/libc/manual/html_node/BSD-Random.html
+#define _DEFAULT_SOURCE
+#define _BSD_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "caadapterutils.h"
+#include "cainterface.h"
+#include "camessagehandler.h"
+#include "caremotehandler.h"
+#include "cablockwisetransfer.h"
+#include "oic_malloc.h"
+#include "camutex.h"
+#include "logger.h"
+
+#define TAG "CA_BWT"
+
+#define BLOCKWISE_OPTION_BUFFER 3
+#define BLOCK_NUMBER_IDX 4
+#define BLOCK_M_BIT_IDX 3
+
+#define BLOCK_SIZE(arg) (1 << ((arg) + 4))
+
+// context for block-wise transfer
+static CABlockWiseContext_t g_context = { 0 };
+
+CAResult_t CAInitializeBlockWiseTransfer(CASendThreadFunc sendThreadFunc,
+ CAReceiveThreadFunc receivedThreadFunc)
+{
+ OIC_LOG(DEBUG, TAG, "initialize");
+
+ // set block-wise transfer context
+ if (!g_context.sendThreadFunc)
+ {
+ g_context.sendThreadFunc = sendThreadFunc;
+ }
+
+ if (!g_context.receivedThreadFunc)
+ {
+ g_context.receivedThreadFunc = receivedThreadFunc;
+ }
+
+ if (!g_context.dataList)
+ {
+ g_context.dataList = u_arraylist_create();
+ }
+
+ CAResult_t res = CAInitBlockWiseMutexVariables();
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "init has failed");
+ }
+
+ return res;
+}
+
+CAResult_t CATerminateBlockWiseTransfer()
+{
+ OIC_LOG(DEBUG, TAG, "terminate");
+
+ if (g_context.dataList)
+ {
+ u_arraylist_free(&g_context.dataList);
+ }
+
+ CATerminateBlockWiseMutexVariables();
+
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAInitBlockWiseMutexVariables()
+{
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ if (NULL == g_context.blockDataListMutex)
+ {
+ g_context.blockDataListMutex = ca_mutex_new();
+ if (NULL == g_context.blockDataListMutex)
+ {
+ OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
+ return CA_STATUS_FAILED;
+ }
+ }
+
+ if (NULL == g_context.blockDataSenderMutex)
+ {
+ g_context.blockDataSenderMutex = ca_mutex_new();
+ if (NULL == g_context.blockDataSenderMutex)
+ {
+ OIC_LOG(ERROR, TAG, "ca_mutex_new has failed");
+ CATerminateBlockWiseMutexVariables();
+ return CA_STATUS_FAILED;
+ }
+ }
+
+ return CA_STATUS_OK;
+}
+
+void CATerminateBlockWiseMutexVariables()
+{
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ if (g_context.blockDataListMutex)
+ {
+ ca_mutex_free(g_context.blockDataListMutex);
+ g_context.blockDataListMutex = NULL;
+ }
+
+ if (g_context.blockDataSenderMutex)
+ {
+ ca_mutex_free(g_context.blockDataSenderMutex);
+ g_context.blockDataSenderMutex = NULL;
+ }
+}
+
+CAResult_t CASendBlockWiseData(const CAData_t *sendData)
+{
+ VERIFY_NON_NULL(sendData, TAG, "sendData");
+
+ // check if message type is CA_MSG_RESET
+ if (NULL != sendData->responseInfo)
+ {
+ if (CA_MSG_RESET == sendData->responseInfo->info.type)
+ {
+ OIC_LOG(DEBUG, TAG, "reset message can't be sent to the block");
+ return CA_NOT_SUPPORTED;
+ }
+ }
+
+ // #1. check if it is already included in block data list
+ CABlockData_t *currData = NULL;
+ CAResult_t res = CACheckBlockDataValidation(sendData, &currData);
+ if (CA_STATUS_OK != res)
+ {
+ // #2. if it is not included, add the data into list
+ if (NULL == currData)
+ {
+ OIC_LOG(DEBUG, TAG, "There is no block data");
+ currData = CACreateNewBlockData(sendData);
+ if (NULL == currData)
+ {
+ OIC_LOG(ERROR, TAG, "failed to create block data");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+ }
+ }
+
+ // #3. check request/response block option type and payload length
+ res = CACheckBlockOptionType(currData);
+ if (CA_STATUS_OK == res)
+ {
+ // #4. send block message
+ OIC_LOG(DEBUG, TAG, "send first block msg");
+ CALogBlockInfo(&currData->block);
+
+ res = CAAddSendThreadQueue(currData->sentData,
+ (const unsigned char*) currData->token);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ return res;
+ }
+ }
+
+ return res;
+}
+
+CAResult_t CAAddSendThreadQueue(const CAData_t *sendData, const unsigned char* token)
+{
+ VERIFY_NON_NULL(sendData, TAG, "sendData");
+ VERIFY_NON_NULL(token, TAG, "token");
+
+ CAData_t *cloneData = CACloneCAData(sendData);
+ if (NULL == cloneData)
+ {
+ OIC_LOG(ERROR, TAG, "clone has failed");
+ CARemoveBlockDataFromList(token);
+ return CA_STATUS_FAILED;
+ }
+
+ if (g_context.sendThreadFunc)
+ {
+ ca_mutex_lock(g_context.blockDataSenderMutex);
+ g_context.sendThreadFunc(cloneData);
+ ca_mutex_unlock(g_context.blockDataSenderMutex);
+ }
+ return CA_STATUS_OK;
+}
+
+CAResult_t CACheckBlockOptionType(CABlockData_t *currData)
+{
+ VERIFY_NON_NULL(currData, TAG, "currData");
+ VERIFY_NON_NULL(currData->sentData, TAG, "currData->sentData");
+
+ size_t payloadLen = 0;
+ CAGetPayloadInfo(currData->sentData, &payloadLen);
+
+ // check if message has to be transfered to a block
+ size_t maxBlockSize = BLOCK_SIZE(CA_DEFAULT_BLOCK_SIZE);
+ if (payloadLen <= maxBlockSize)
+ {
+ OIC_LOG_V(DEBUG, TAG, "payloadLen=%d, maxBlockSize=%d", payloadLen, maxBlockSize);
+ return CA_NOT_SUPPORTED;
+ }
+
+ // check if next block are required to transfer
+ CAGetMoreBitFromBlock(payloadLen, &currData->block);
+
+ // set block option (COAP_OPTION_BLOCK2 or COAP_OPTION_BLOCK1)
+ if (NULL != currData->sentData->requestInfo) // request message
+ {
+ if (currData->block.m)
+ {
+ OIC_LOG(DEBUG, TAG, "no ACK, option1");
+ currData->type = COAP_OPTION_BLOCK1;
+ }
+ else
+ {
+ OIC_LOG(DEBUG, TAG, "no ACK, normal req");
+ }
+ }
+ else // response message
+ {
+ if (currData->block.m)
+ {
+ OIC_LOG(DEBUG, TAG, "ACK, option2");
+ currData->type = COAP_OPTION_BLOCK2;
+ }
+ else
+ {
+ OIC_LOG(DEBUG, TAG, "ACK, normal res");
+ }
+ }
+
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAReceiveBlockWiseData(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
+ const CAData_t *receivedData, size_t dataLen)
+{
+ OIC_LOG(DEBUG, TAG, "CAReceiveBlockWiseData");
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
+ VERIFY_NON_NULL(endpoint, TAG, "endpoint");
+ VERIFY_NON_NULL(receivedData, TAG, "receivedData");
+
+ // check if received message type is CA_MSG_RESET
+ if (CA_EMPTY == pdu->hdr->code)
+ {
+ OIC_LOG(DEBUG, TAG, "code is CA_EMPTY..");
+
+ // get token from block-wise transfer list when CA_EMPTY(RST/ACK) is received
+ CAResult_t res = CAGetTokenFromBlockDataList(pdu, endpoint, receivedData->responseInfo);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "fail to get token");
+ return res;
+ }
+
+ CARemoveBlockDataFromList((const unsigned char*) receivedData->responseInfo->info.token);
+ return CA_NOT_SUPPORTED;
+ }
+
+ // check if block option is set and get block data
+ coap_block_t block = {0};
+ if (coap_get_block(pdu, COAP_OPTION_BLOCK2, &block))
+ {
+ CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, block, dataLen);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "setting has failed");
+ return res;
+ }
+ }
+ else if (coap_get_block(pdu, COAP_OPTION_BLOCK1, &block)) // block1 option
+ {
+ CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, block, dataLen);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "setting has failed");
+ return res;
+ }
+ }
+ else
+ {
+ uint32_t code = CA_RESPONSE_CODE(pdu->hdr->code);
+ if (CA_REQUEST_ENTITY_INCOMPLETE == code)
+ {
+ CABlockData_t *data = CAGetBlockDataFromBlockDataList(pdu->hdr->token);
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "getting has failed");
+ return CA_STATUS_FAILED;
+ }
+
+ coap_block_t *block = CAGetBlockOption(pdu->hdr->token);
+ if (NULL == block)
+ {
+ OIC_LOG(ERROR, TAG, "block is null");
+ return CA_STATUS_FAILED;
+ }
+
+ if (COAP_OPTION_BLOCK2 == data->type)
+ {
+ CAResult_t res = CASetNextBlockOption2(pdu, endpoint, receivedData, *block,
+ dataLen);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "setting has failed");
+ return res;
+ }
+ }
+ else if (COAP_OPTION_BLOCK1 == data->type)
+ {
+ CAResult_t res = CASetNextBlockOption1(pdu, endpoint, receivedData, *block,
+ dataLen);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "setting has failed");
+ return res;
+ }
+ }
+ }
+ else
+ {
+ // normal pdu data
+ OIC_LOG(DEBUG, TAG, "it's normal pdu");
+ return CA_NOT_SUPPORTED;
+ }
+ }
+
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAProcessNextStep(const coap_pdu_t *pdu, const CAData_t *receivedData,
+ uint8_t blockWiseStatus)
+{
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
+
+ CAResult_t res = CA_STATUS_OK;
+ CAData_t *data = NULL;
+
+ // process blockWiseStatus
+ switch (blockWiseStatus)
+ {
+ case CA_OPTION2_FIRST_BLOCK:
+ res = CAAddSendThreadQueue(receivedData, pdu->hdr->token);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ return res;
+ }
+ break;
+
+ case CA_OPTION2_CON:
+ // add data to send thread
+ data = CAGetDataSetFromBlockDataList(pdu->hdr->token);
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "it's unavailable");
+ return CA_STATUS_FAILED;
+ }
+
+ if (data->requestInfo)
+ {
+ data->requestInfo->info.messageId = pdu->hdr->id;
+ }
+
+ if (data->responseInfo)
+ {
+ data->responseInfo->info.messageId = pdu->hdr->id;
+ }
+
+ res = CAAddSendThreadQueue(data, pdu->hdr->token);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ return res;
+ }
+
+ break;
+
+ case CA_OPTION1_ACK:
+ case CA_OPTION2_ACK:
+ case CA_SENT_PREVIOUS_NON_MSG:
+ res = CASendBlockMessage(pdu, CA_MSG_CONFIRM, blockWiseStatus);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "send has failed");
+ return res;
+ }
+ break;
+
+ case CA_OPTION2_LAST_BLOCK:
+ // process last block and send upper layer
+ res = CAReceiveLastBlock(pdu, receivedData);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "receive has failed");
+ return res;
+ }
+
+ // remove data from list
+ res = CARemoveBlockDataFromList(pdu->hdr->token);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "remove has failed");
+ return res;
+ }
+ break;
+
+ case CA_OPTION1_NO_ACK_LAST_BLOCK:
+ // process last block and send upper layer
+ res = CAReceiveLastBlock(pdu, receivedData);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "receive has failed");
+ return res;
+ }
+
+ if (CA_MSG_CONFIRM == pdu->hdr->type)
+ {
+ // send ack message to remote device
+ res = CASendBlockMessage(pdu, CA_MSG_ACKNOWLEDGE, blockWiseStatus);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "send has failed");
+ return res;
+ }
+ }
+ break;
+
+ case CA_OPTION1_NO_ACK_BLOCK:
+ if (CA_MSG_CONFIRM == pdu->hdr->type)
+ {
+ // add data to send thread
+ res = CASendBlockMessage(pdu, CA_MSG_ACKNOWLEDGE, blockWiseStatus);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "send has failed");
+ return res;
+ }
+ }
+ break;
+
+ case CA_BLOCK_INCOMPLETE:
+ if (CA_MSG_CONFIRM == pdu->hdr->type || CA_MSG_ACKNOWLEDGE == pdu->hdr->type)
+ {
+ // add data to send thread
+ res = CASendErrorMessage(pdu, blockWiseStatus, CA_REQUEST_ENTITY_INCOMPLETE);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "send has failed");
+ return res;
+ }
+ }
+ break;
+
+ case CA_BLOCK_TOO_LARGE:
+ if (CA_MSG_ACKNOWLEDGE == pdu->hdr->type)
+ {
+ res = CASendBlockMessage(pdu, CA_MSG_CONFIRM, blockWiseStatus);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "send has failed");
+ return res;
+ }
+ }
+ else if (CA_MSG_CONFIRM == pdu->hdr->type)
+ {
+ res = CASendErrorMessage(pdu, blockWiseStatus, CA_REQUEST_ENTITY_TOO_LARGE);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "send has failed");
+ return res;
+ }
+ }
+ break;
+ default:
+ OIC_LOG_V(ERROR, TAG, "no logic [%d]", blockWiseStatus);
+ }
+ return CA_STATUS_OK;
+}
+
+CAResult_t CASendBlockMessage(const coap_pdu_t *pdu, CAMessageType_t msgType, uint8_t status)
+{
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
+
+ CAData_t *data = CAGetDataSetFromBlockDataList(pdu->hdr->token);
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "CAData is unavailable");
+ return CA_STATUS_FAILED;
+ }
+
+ if (CA_MSG_CONFIRM == msgType)
+ {
+ OIC_LOG(DEBUG, TAG, "need new msgID");
+ if (data->requestInfo)
+ {
+ data->requestInfo->info.messageId = 0;
+ }
+
+ if (data->responseInfo)
+ {
+ data->responseInfo->info.messageId = 0;
+ }
+ }
+ else if (CA_MSG_ACKNOWLEDGE == msgType)
+ {
+ if (data->responseInfo)
+ {
+ OIC_LOG(DEBUG, TAG, "set ACK message");
+ data->responseInfo->info.messageId = pdu->hdr->id;
+ data->responseInfo->info.type = CA_MSG_ACKNOWLEDGE;
+ if (CA_OPTION1_NO_ACK_LAST_BLOCK == status)
+ {
+ data->responseInfo->result = CA_CHANGED;
+ }
+ else if (CA_OPTION1_NO_ACK_BLOCK == status)
+ {
+ data->responseInfo->result = CA_CONTINUE;
+ }
+ }
+ }
+
+ // add data to send thread
+ CAResult_t res = CAAddSendThreadQueue(data, pdu->hdr->token);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ }
+
+ return res;
+}
+
+CAResult_t CASendErrorMessage(const coap_pdu_t *pdu, uint8_t status,
+ CAResponseResult_t responseResult)
+{
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
+
+ // create error responseInfo
+ CABlockData_t *data = CAGetBlockDataFromBlockDataList(pdu->hdr->token);
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "data is unavailable");
+ return CA_STATUS_FAILED;
+ }
+
+ CAData_t *cloneData = NULL;
+ if (data->sentData && data->sentData->responseInfo)
+ {
+ data->sentData->responseInfo->info.messageId = pdu->hdr->id;
+ data->sentData->responseInfo->info.type = CA_MSG_ACKNOWLEDGE;
+ data->sentData->responseInfo->result = responseResult;
+ cloneData = CACloneCAData(data->sentData);
+ if (NULL == cloneData)
+ {
+ OIC_LOG(ERROR, TAG, "clone has failed");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+ OIC_LOG(DEBUG, TAG, "set ACK message");
+ }
+ else
+ {
+ cloneData = CACreateNewDataSet(pdu, CACloneEndpoint(data->sentData->remoteEndpoint));
+ cloneData->responseInfo->info.type = CA_MSG_CONFIRM;
+ cloneData->responseInfo->result = responseResult;
+ OIC_LOG(DEBUG, TAG, "set CON message");
+ }
+
+ // add data to send thread
+ if (g_context.sendThreadFunc)
+ {
+ ca_mutex_lock(g_context.blockDataSenderMutex);
+ g_context.sendThreadFunc(cloneData);
+ ca_mutex_unlock(g_context.blockDataSenderMutex);
+ }
+
+ // if error code is 4.08, remove the stored payload and initialize block number
+ if (CA_BLOCK_INCOMPLETE == status)
+ {
+ OICFree(data->payload);
+ data->payload = NULL;
+ data->payloadLength = 0;
+ data->block.num = 0;
+ }
+
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAReceiveLastBlock(const coap_pdu_t *pdu, const CAData_t *receivedData)
+{
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
+ VERIFY_NON_NULL(receivedData, TAG, "receivedData");
+
+ // total block data have to notify to Application
+ CAData_t *cloneData = CACloneCAData(receivedData);
+ if (NULL == cloneData)
+ {
+ OIC_LOG(ERROR, TAG, "clone has failed");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+
+ // update payload
+ size_t fullPayloadLen = 0;
+ CAPayload_t fullPayload = CAGetPayloadFromBlockDataList(pdu->hdr->token, &fullPayloadLen);
+ if (NULL != fullPayload)
+ {
+ CAResult_t res = CAUpdatePayloadToCAData(cloneData, fullPayload, fullPayloadLen);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ return CA_STATUS_FAILED;
+ }
+ }
+
+ if (g_context.receivedThreadFunc)
+ {
+ g_context.receivedThreadFunc(cloneData);
+ }
+
+ return CA_STATUS_OK;
+}
+
+CAResult_t CASetNextBlockOption1(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
+ const CAData_t *receivedData, coap_block_t block,
+ size_t dataLen)
+{
+ OIC_LOG(INFO, TAG, "CASetNextBlockOption1");
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
+ VERIFY_NON_NULL(endpoint, TAG, "endpoint");
+ VERIFY_NON_NULL(receivedData, TAG, "receivedData");
+
+ OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
+
+ // BlockData data is created if it not existed
+ if (!CAIsBlockDataInList(pdu))
+ {
+ OIC_LOG(DEBUG, TAG, "no message in list");
+
+ CAData_t *data = CACreateNewDataSet(pdu, endpoint);
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "data is null");
+ return CA_STATUS_FAILED;
+ }
+
+ CABlockData_t *currData = CACreateNewBlockData(data);
+ if (NULL == currData)
+ {
+ OIC_LOG(ERROR, TAG, "currData is null");
+ CADestroyDataSet(data);
+ return CA_STATUS_FAILED;
+ }
+ }
+
+ // update BLOCK OPTION1 type
+ CAResult_t res = CAUpdateBlockOptionType(pdu->hdr->token, COAP_OPTION_BLOCK1);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+
+ CABlockData_t *data = CAGetBlockDataFromBlockDataList(pdu->hdr->token);
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "getting has failed");
+ return CA_STATUS_FAILED;
+ }
+
+ uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
+ // received type from remote device
+ if (CA_MSG_ACKNOWLEDGE == pdu->hdr->type)
+ {
+ uint32_t code = CA_RESPONSE_CODE(pdu->hdr->code);
+ if (0 == block.m &&
+ (CA_REQUEST_ENTITY_INCOMPLETE != code && CA_REQUEST_ENTITY_TOO_LARGE != code))
+ {
+ OIC_LOG(INFO, TAG, "Data has sent");
+ // initialize block number for response message
+ data->block.num = 0;
+ return CA_STATUS_OK;
+ }
+
+ blockWiseStatus = CA_OPTION1_ACK;
+ res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ return res;
+ }
+
+ res = CAUpdateBlockData(data, block);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+ }
+ else // CON or NON message
+ {
+ OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
+
+ // check the size option
+ bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
+ COAP_OPTION_SIZE1,
+ &(data->payloadLength));
+
+ // check if received payload is exact
+ if (CA_MSG_CONFIRM == pdu->hdr->type)
+ {
+ blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
+ COAP_OPTION_BLOCK1, dataLen);
+ }
+
+ if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
+ {
+ // store the received payload and merge
+ res = CAUpdatePayloadData(data, receivedData, blockWiseStatus, isSizeOption);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+
+ res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK1, blockWiseStatus);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+
+ // update block data
+ res = CAUpdateBlockData(data, block);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+ }
+
+ // check the blcok-wise transfer status for next step
+ if (CA_BLOCK_UNKNOWN == blockWiseStatus || CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
+ {
+ if (0 == block.m) // Last block is received
+ {
+ OIC_LOG(DEBUG, TAG, "M bit is 0");
+ blockWiseStatus = CA_OPTION1_NO_ACK_LAST_BLOCK;
+ }
+ else
+ {
+ OIC_LOG(DEBUG, TAG, "M bit is 1");
+ blockWiseStatus = CA_OPTION1_NO_ACK_BLOCK;
+ }
+ }
+ }
+
+ res = CAProcessNextStep(pdu, receivedData, blockWiseStatus);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "setting has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ }
+
+ return res;
+}
+
+CAResult_t CASetNextBlockOption2(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
+ const CAData_t *receivedData, coap_block_t block,
+ size_t dataLen)
+{
+ OIC_LOG(DEBUG, TAG, "CASetNextBlockOption2");
+ OIC_LOG_V(INFO, TAG, "num:%d, M:%d, sze:%d", block.num, block.m, block.szx);
+
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL(pdu->hdr, TAG, "pdu->hdr");
+ VERIFY_NON_NULL(endpoint, TAG, "endpoint");
+ VERIFY_NON_NULL(receivedData, TAG, "receivedData");
+
+ // BlockData data is created if it not existed
+ if (!CAIsBlockDataInList(pdu))
+ {
+ OIC_LOG(DEBUG, TAG, "no msg in list.");
+
+ CAData_t *data = CACreateNewDataSet(pdu, endpoint);
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "data is null");
+ return CA_STATUS_FAILED;
+ }
+
+ CABlockData_t *currData = CACreateNewBlockData(data);
+ if (NULL == currData)
+ {
+ OIC_LOG(ERROR, TAG, "data is null");
+ CADestroyDataSet(data);
+ return CA_STATUS_FAILED;
+ }
+ }
+
+ // set Block Option Type
+ CAResult_t res = CAUpdateBlockOptionType(pdu->hdr->token, COAP_OPTION_BLOCK2);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+
+ CABlockData_t *data = CAGetBlockDataFromBlockDataList(pdu->hdr->token);
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "getting has failed");
+ return CA_STATUS_FAILED;
+ }
+
+ uint8_t blockWiseStatus = CA_BLOCK_UNKNOWN;
+ if (0 == block.num && CA_GET == pdu->hdr->code && 0 == block.m)
+ {
+ OIC_LOG(INFO, TAG, "first block number");
+
+ res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ return res;
+ }
+
+ // first block data have to notify to Application
+ res = CAUpdateBlockData(data, block);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+ blockWiseStatus = CA_OPTION2_FIRST_BLOCK;
+ }
+ else
+ {
+ // received type from remote device
+ if (CA_MSG_ACKNOWLEDGE == pdu->hdr->type ||
+ (CA_MSG_NONCONFIRM == pdu->hdr->type && NULL != receivedData->responseInfo))
+ {
+ OIC_LOG(DEBUG, TAG, "received ACK or NON");
+
+ // check the size option
+ bool isSizeOption = CAIsPayloadLengthInPduWithBlockSizeOption(pdu,
+ COAP_OPTION_SIZE2,
+ &(data->payloadLength));
+
+ // check if received payload is exact
+ if (CA_MSG_ACKNOWLEDGE == pdu->hdr->type)
+ {
+ blockWiseStatus = CACheckBlockErrorType(data, &block, receivedData,
+ COAP_OPTION_BLOCK2, dataLen);
+ }
+
+ if (CA_BLOCK_RECEIVED_ALREADY != blockWiseStatus)
+ {
+ // store the received payload and merge
+ res = CAUpdatePayloadData(data, receivedData, blockWiseStatus, isSizeOption);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+ }
+
+ if (0 == block.m && CA_BLOCK_UNKNOWN == blockWiseStatus) // Last block is received
+ {
+ OIC_LOG(DEBUG, TAG, "M bit is 0");
+ blockWiseStatus = CA_OPTION2_LAST_BLOCK;
+ }
+ else
+ {
+ if (CA_BLOCK_UNKNOWN == blockWiseStatus ||
+ CA_BLOCK_RECEIVED_ALREADY == blockWiseStatus)
+ {
+ OIC_LOG(DEBUG, TAG, "M bit is 1");
+
+ if (CA_MSG_ACKNOWLEDGE == pdu->hdr->type)
+ {
+ blockWiseStatus = CA_OPTION2_ACK;
+ }
+ else
+ {
+ blockWiseStatus = CA_OPTION2_NON;
+ }
+ }
+
+ res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2,
+ blockWiseStatus);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+
+ res = CAUpdateBlockData(data, block);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+ }
+ }
+ else // CON message and so on.
+ {
+ OIC_LOG_V(INFO, TAG, "num:%d, M:%d", block.num, block.m);
+
+ blockWiseStatus = CA_OPTION2_CON;
+
+ res = CAUpdateBlockOptionItems(data, pdu, &block, COAP_OPTION_BLOCK2, blockWiseStatus);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+
+ res = CAUpdateBlockData(data, block);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "update has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+ }
+ }
+
+ res = CAProcessNextStep(pdu, receivedData, blockWiseStatus);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "setting has failed");
+ CARemoveBlockDataFromList(pdu->hdr->token);
+ return res;
+ }
+
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAUpdateBlockOptionItems(CABlockData_t *currData, const coap_pdu_t *pdu,
+ coap_block_t *block, uint16_t blockType,
+ uint32_t status)
+{
+ VERIFY_NON_NULL(currData, TAG, "currData");
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL(block, TAG, "block");
+
+ // update block data
+ CAResult_t res = CA_STATUS_OK;
+ uint32_t code = CA_RESPONSE_CODE(pdu->hdr->code);
+
+ if (CA_REQUEST_ENTITY_INCOMPLETE == code || CA_REQUEST_ENTITY_TOO_LARGE == code)
+ {
+ // response error code of the received block message
+ res = CAHandleBlockErrorResponse(block, blockType, code);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "error handle has failed");
+ return res;
+ }
+ }
+ else
+ {
+ // update block option items
+ switch (status)
+ {
+ case CA_OPTION1_ACK:
+ if (currData->block.num > block->num)
+ {
+ OIC_LOG(ERROR, TAG, "received incorrect block num");
+ return CA_STATUS_FAILED;
+ }
+ block->num++;
+ break;
+ case CA_OPTION2_NON:
+ block->num++;
+ block->m = 0;
+ break;
+ case CA_OPTION2_CON:
+ block->m = 0;
+ break;
+ case CA_OPTION2_ACK:
+ if (currData->block.num > block->num)
+ {
+ OIC_LOG(ERROR, TAG, "received incorrect block num");
+ return CA_STATUS_FAILED;
+ }
+ block->num++;
+ block->m = 0;
+ break;
+ case CA_BLOCK_TOO_LARGE:
+ // if state of received block message is CA_BLOCK_TOO_LARGE or CA_BLOCK_INCOMPLETE
+ // we set the response error code appropriately and send
+ if (COAP_OPTION_BLOCK2 == blockType)
+ {
+ block->num++;
+ block->m = 0;
+ }
+ block->szx = currData->block.szx;
+ break;
+ default:
+ OIC_LOG_V(ERROR, TAG, "no logic [%d]", status);
+ }
+
+ if (CA_BLOCK_INCOMPLETE != status && CA_BLOCK_TOO_LARGE != status)
+ {
+ // negotiate block size
+ res = CANegotiateBlockSize(currData, block, pdu->hdr->type, blockType);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "negotiation has failed");
+ return res;
+ }
+ }
+ }
+ return res;
+}
+
+CAResult_t CAGetMoreBitFromBlock(size_t payloadLen, coap_block_t *block)
+{
+ VERIFY_NON_NULL(block, TAG, "block");
+
+ if (((block->num + 1) << (block->szx + BLOCK_NUMBER_IDX)) < payloadLen)
+ {
+ OIC_LOG(DEBUG, TAG, "Set the M-bit(1)");
+ block->m = 1;
+ }
+ else
+ {
+ OIC_LOG(DEBUG, TAG, "Set the M-bit(0)");
+ block->m = 0;
+ }
+
+ return CA_STATUS_OK;
+}
+
+CAResult_t CANegotiateBlockSize(CABlockData_t *currData, coap_block_t *block,
+ CAMessageType_t msgType, uint16_t blockType)
+{
+ OIC_LOG(DEBUG, TAG, "IN-NegotiateBlockSize");
+
+ VERIFY_NON_NULL(currData, TAG, "currData");
+ VERIFY_NON_NULL(block, TAG, "block");
+
+ // #1. check the block option type
+ if (COAP_OPTION_BLOCK2 == blockType)
+ {
+ // #2. check the message type
+ if (CA_MSG_ACKNOWLEDGE == msgType)
+ {
+ if (block->szx > currData->block.szx)
+ {
+ OIC_LOG(DEBUG, TAG, "sze is big");
+
+ // #3. calculate new block number from block size
+ unsigned int blockNum = BLOCK_SIZE(block->szx) /
+ BLOCK_SIZE(currData->block.szx) - 1;
+ OIC_LOG(DEBUG, TAG, "num is set as Negotiation");
+ block->num += blockNum;
+ block->szx = currData->block.szx;
+ OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
+ }
+ }
+ else
+ {
+ if (block->szx > currData->block.szx)
+ {
+ OIC_LOG(DEBUG, TAG, "sze is big");
+ block->szx = currData->block.szx;
+ }
+ }
+ }
+ else if (COAP_OPTION_BLOCK1 == blockType)
+ {
+ if (CA_MSG_ACKNOWLEDGE == msgType)
+ {
+ if (block->szx < currData->block.szx)
+ {
+ OIC_LOG(DEBUG, TAG, "sze is small");
+
+ unsigned int blockNum = BLOCK_SIZE(currData->block.szx) /
+ BLOCK_SIZE(block->szx) - 1;
+ block->num += blockNum;
+ OIC_LOG_V(DEBUG, TAG, "updated block num: %d", block->num);
+ }
+ }
+ else
+ {
+ if (block->szx > currData->block.szx)
+ {
+ OIC_LOG(DEBUG, TAG, "sze is big");
+ block->szx = currData->block.szx;
+ }
+ }
+ }
+ else
+ {
+ OIC_LOG(DEBUG, TAG, "Invalid block option");
+ return CA_STATUS_FAILED;
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT-NegotiateBlockSize");
+
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAUpdateBlockData(CABlockData_t *currData, coap_block_t block)
+{
+ VERIFY_NON_NULL(currData, TAG, "currData");
+
+ // check if block size is bigger than CABlockSize_t
+ if (block.szx > CA_BLOCK_SIZE_1024_BYTE)
+ {
+ OIC_LOG(DEBUG, TAG, "invalid block szx");
+ return CA_STATUS_FAILED;
+ }
+
+ // update block option
+ currData->block = block;
+
+ OIC_LOG(DEBUG, TAG, "data has updated");
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAUpdateMessageId(coap_pdu_t *pdu)
+{
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+
+ // if CON message is sent, update messageId in block-wise transfer list
+ if (CA_MSG_CONFIRM == pdu->hdr->type)
+ {
+ CAData_t * cadata = CAGetDataSetFromBlockDataList(pdu->hdr->token);
+ if (NULL == cadata)
+ {
+ OIC_LOG(ERROR, TAG, "CAData is unavailable");
+ return CA_STATUS_FAILED;
+ }
+
+ if (NULL != cadata->requestInfo)
+ {
+ cadata->requestInfo->info.messageId = pdu->hdr->id;
+ }
+ }
+
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAAddBlockOption(coap_pdu_t **pdu, CAInfo_t info)
+{
+ OIC_LOG(DEBUG, TAG, "IN-AddBlockOption");
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
+ VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
+
+ size_t dataLength = 0;
+ if (info.payload)
+ {
+ dataLength = info.payloadSize;
+ OIC_LOG_V(DEBUG, TAG, "dataLength - %d", dataLength);
+ }
+
+ OIC_LOG_V(DEBUG, TAG, "previous payload - %s", (*pdu)->data);
+
+ uint32_t code = CA_RESPONSE_CODE((*pdu)->hdr->code);
+ if (CA_REQUEST_ENTITY_INCOMPLETE == code)
+ {
+ OIC_LOG(INFO, TAG, "don't use option");
+ return CA_STATUS_OK;
+ }
+
+ uint8_t blockType = CAGetBlockOptionType((*pdu)->hdr->token);
+ if (COAP_OPTION_BLOCK2 == blockType)
+ {
+ CAResult_t res = CAAddBlockOption2(pdu, info, dataLength);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ return res;
+ }
+ }
+ else if (COAP_OPTION_BLOCK1 == blockType)
+ {
+ CAResult_t res = CAAddBlockOption1(pdu, info, dataLength);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ return res;
+ }
+ }
+ else
+ {
+ OIC_LOG(DEBUG, TAG, "no BLOCK option");
+ // if response data is so large. it have to send as block transfer
+ if (!coap_add_data(*pdu, dataLength, (const unsigned char *) info.payload))
+ {
+ OIC_LOG(INFO, TAG, "it have to use block");
+ }
+ else
+ {
+ OIC_LOG(INFO, TAG, "not Blockwise Transfer");
+ }
+ }
+
+ CAResult_t res = CAUpdateMessageId(*pdu);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "fail to update CON message id ");
+ return res;
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption");
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAAddBlockOption2(coap_pdu_t **pdu, CAInfo_t info, size_t dataLength)
+{
+ OIC_LOG(DEBUG, TAG, "IN-AddBlockOption2");
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
+ VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
+
+ // get set block data from CABlock list-set.
+ coap_block_t *block = CAGetBlockOption((*pdu)->hdr->token);
+ if (NULL == block)
+ {
+ OIC_LOG(ERROR, TAG, "getting has failed");
+ return CA_STATUS_FAILED;
+ }
+
+ CALogBlockInfo(block);
+
+ uint8_t code = 0;
+ if (CA_MSG_ACKNOWLEDGE == (*pdu)->hdr->type ||
+ (CA_MSG_NONCONFIRM == (*pdu)->hdr->type && CA_GET != (*pdu)->hdr->code))
+ {
+ int32_t res = coap_write_block_opt(block, COAP_OPTION_BLOCK2, *pdu, dataLength);
+ switch (res)
+ {
+ case -2: /* illegal block */
+ code = COAP_RESPONSE_CODE(CA_BAD_REQ);
+ OIC_LOG(ERROR, TAG, "write block option : -2");
+ goto error;
+ case -1: /* should really not happen */
+ OIC_LOG(ERROR, TAG, "write block option : -1");
+ break;
+ case -3: /* cannot handle request */
+ code = COAP_RESPONSE_CODE(CA_INTERNAL_SERVER_ERROR);
+ OIC_LOG(ERROR, TAG, "write block option : -3");
+ goto error;
+ default:
+ OIC_LOG(INFO, TAG, "success write block option");
+ }
+ CALogBlockInfo(block);
+
+ // if block number is 0, add size2 option
+ if (0 == block->num)
+ {
+ res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE2, dataLength);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ CARemoveBlockDataFromList((*pdu)->hdr->token);
+ return res;
+ }
+ }
+
+ if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info.payload,
+ block->num, block->szx))
+ {
+ OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
+ return CA_STATUS_FAILED;
+ }
+
+ if (CA_MSG_NONCONFIRM == (*pdu)->hdr->type)
+ {
+ if (block->m)
+ {
+ OIC_LOG(DEBUG, TAG, "NON, send next block..");
+ // update block data
+ block->num++;
+ CAResult_t res = CAProcessNextStep(*pdu, NULL, CA_SENT_PREVIOUS_NON_MSG);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "failed to process next step");
+ CARemoveBlockDataFromList((*pdu)->hdr->token);
+ return res;
+ }
+ }
+ else
+ {
+ CARemoveBlockDataFromList((*pdu)->hdr->token);
+ }
+ }
+ }
+ else
+ {
+ OIC_LOG(DEBUG, TAG, "option2, not ACK msg");
+ CAResult_t res = CAAddBlockOptionImpl(*pdu, block, COAP_OPTION_BLOCK2);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ CARemoveBlockDataFromList((*pdu)->hdr->token);
+ return res;
+ }
+ }
+
+ return CA_STATUS_OK;
+
+error:
+ OIC_LOG_V(ERROR, TAG, "error : %d", code);
+ coap_add_data(*pdu, strlen(coap_response_phrase(code)),
+ (unsigned char *) coap_response_phrase(code));
+ return CA_STATUS_FAILED;
+}
+
+CAResult_t CAAddBlockOption1(coap_pdu_t **pdu, CAInfo_t info, size_t dataLength)
+{
+ OIC_LOG(DEBUG, TAG, "IN-AddBlockOption1");
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL((*pdu), TAG, "(*pdu)");
+ VERIFY_NON_NULL((*pdu)->hdr, TAG, "(*pdu)->hdr");
+
+ // get set block data from CABlock list-set.
+ coap_block_t *block = CAGetBlockOption((*pdu)->hdr->token);
+ if (NULL == block)
+ {
+ OIC_LOG(ERROR, TAG, "getting has failed");
+ return CA_STATUS_FAILED;
+ }
+
+ CALogBlockInfo(block);
+
+ if (CA_MSG_ACKNOWLEDGE == (*pdu)->hdr->type)
+ {
+ OIC_LOG(DEBUG, TAG, "option1 and ACK msg..");
+ CAResult_t res = CAAddBlockOptionImpl(*pdu, block, COAP_OPTION_BLOCK1);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ CARemoveBlockDataFromList((*pdu)->hdr->token);
+ return res;
+ }
+
+ // reset block-list after write block
+ if (0 == block->m)
+ {
+ // remove data from list
+ CAResult_t res = CARemoveBlockDataFromList((*pdu)->hdr->token);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "remove has failed");
+ return res;
+ }
+ }
+ }
+ else
+ {
+ CAGetMoreBitFromBlock(dataLength, block);
+ CAResult_t res = CAAddBlockOptionImpl(*pdu, block, COAP_OPTION_BLOCK1);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ CARemoveBlockDataFromList((*pdu)->hdr->token);
+ return res;
+ }
+ CALogBlockInfo(block);
+
+ // if block number is 0, add size1 option
+ if (0 == block->num)
+ {
+ res = CAAddBlockSizeOption(*pdu, COAP_OPTION_SIZE1, dataLength);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ CARemoveBlockDataFromList((*pdu)->hdr->token);
+ return res;
+ }
+ }
+
+ if (!coap_add_block(*pdu, dataLength, (const unsigned char *) info.payload,
+ block->num, block->szx))
+ {
+ OIC_LOG(ERROR, TAG, "Data length is smaller than the start index");
+ return CA_STATUS_FAILED;
+ }
+
+ // check the message type and if message type is NON, next block message will be sent
+ if (CA_MSG_NONCONFIRM == (*pdu)->hdr->type)
+ {
+ if (block->m)
+ {
+ OIC_LOG(DEBUG, TAG, "NON, send next block..");
+ // update block data
+ block->num++;
+ CAResult_t res = CAProcessNextStep(*pdu, NULL, CA_SENT_PREVIOUS_NON_MSG);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "failed to process next step");
+ CARemoveBlockDataFromList((*pdu)->hdr->token);
+ return res;
+ }
+ }
+ else
+ {
+ CARemoveBlockDataFromList((*pdu)->hdr->token);
+ }
+ }
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT-AddBlockOption1");
+
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAAddBlockOptionImpl(coap_pdu_t *pdu, coap_block_t *block, uint8_t blockType)
+{
+ OIC_LOG(DEBUG, TAG, "IN-AddBlockOptionImpl");
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL(block, TAG, "block");
+
+ coap_option *option = (coap_option *) OICMalloc(sizeof(coap_option));
+ if (NULL == option)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+
+ unsigned char buf[BLOCKWISE_OPTION_BUFFER] = { 0 };
+ option->key = blockType;
+ option->length = coap_encode_var_bytes(buf,
+ ((block->num << BLOCK_NUMBER_IDX)
+ | (block->m << BLOCK_M_BIT_IDX) | block->szx));
+ if (!coap_add_option(pdu, option->key, option->length, buf))
+ {
+ OIC_LOG(ERROR, TAG, "coap_add_option has failed");
+ OICFree(option);
+ return CA_STATUS_FAILED;
+ }
+
+ OICFree(option);
+
+ OIC_LOG(DEBUG, TAG, "OUT-AddBlockOptionImpl");
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAAddBlockSizeOption(coap_pdu_t *pdu, uint16_t sizeType, size_t dataLength)
+{
+ OIC_LOG(DEBUG, TAG, "IN-CAAddBlockSizeOption");
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+
+ if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
+ {
+ OIC_LOG(ERROR, TAG, "unknown option type");
+ return CA_STATUS_FAILED;
+ }
+
+ unsigned char value[BLOCKWISE_OPTION_BUFFER] = { 0 };
+ coap_option *option = (coap_option *) OICMalloc(sizeof(coap_option));
+ if (NULL == option)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+
+ option->key = sizeType;
+ option->length = coap_encode_var_bytes(value, dataLength);
+
+ if (!coap_add_option(pdu, option->key, option->length, value))
+ {
+ OIC_LOG(ERROR, TAG, "failed to add size option");
+ OICFree(option);
+ return CA_STATUS_FAILED;
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT-CAAddBlockSizeOption");
+
+ return CA_STATUS_OK;
+}
+
+bool CAIsPayloadLengthInPduWithBlockSizeOption(const coap_pdu_t *pdu,
+ uint16_t sizeType,
+ size_t *totalPayloadLen)
+{
+ OIC_LOG(DEBUG, TAG, "IN-CAIsPayloadLengthInPduWithBlockSizeOption");
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL(totalPayloadLen, TAG, "totalPayloadLen");
+
+ if (sizeType != COAP_OPTION_SIZE1 && sizeType != COAP_OPTION_SIZE2)
+ {
+ OIC_LOG(ERROR, TAG, "unknown option type");
+ return CA_STATUS_FAILED;
+ }
+
+ coap_opt_iterator_t opt_iter;
+ coap_opt_t *option = coap_check_option(pdu, sizeType, &opt_iter);
+ if (option)
+ {
+ OIC_LOG(DEBUG, TAG, "get size option from pdu");
+ *totalPayloadLen = coap_decode_var_bytes(COAP_OPT_VALUE(option),
+ COAP_OPT_LENGTH(option));
+
+ OIC_LOG_V(DEBUG, TAG, "the total payload length to be received is [%d]bytes",
+ *totalPayloadLen);
+
+ return true;
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT-CAIsPayloadLengthInPduWithBlockSizeOption");
+
+ return false;
+}
+
+uint8_t CACheckBlockErrorType(CABlockData_t *currData, coap_block_t *receivedBlock,
+ const CAData_t *receivedData, uint16_t blockType,
+ size_t dataLen)
+{
+ OIC_LOG(DEBUG, TAG, "IN-CheckBlockError");
+
+ VERIFY_NON_NULL(currData, TAG, "currData is NULL");
+ VERIFY_NON_NULL(receivedBlock, TAG, "receivedBlock is NULL");
+ VERIFY_NON_NULL(receivedData, TAG, "receivedData is NULL");
+
+ // #1. check the received payload length
+ size_t blockPayloadLen = 0;
+ CAGetPayloadInfo(receivedData, &blockPayloadLen);
+
+ // #2. check if the block sequence is right
+ if (COAP_OPTION_BLOCK1 == blockType)
+ {
+ size_t prePayloadLen = currData->receivedPayloadLen;
+ if (prePayloadLen != BLOCK_SIZE(receivedBlock->szx) * receivedBlock->num)
+ {
+ if (receivedBlock->num > currData->block.num + 1)
+ {
+ // 408 Error handling of block loss
+ OIC_LOG(ERROR, TAG, "option1: error 4.08");
+ OIC_LOG(ERROR, TAG, "it didn't order");
+ return CA_BLOCK_INCOMPLETE;
+ }
+ return CA_BLOCK_RECEIVED_ALREADY;
+ }
+ }
+ else if (COAP_OPTION_BLOCK2 == blockType)
+ {
+ if (receivedBlock->num != currData->block.num)
+ {
+ if (receivedBlock->num > currData->block.num)
+ {
+ // 408 Error handling of block loss
+ OIC_LOG(ERROR, TAG, "option2: error 4.08");
+ OIC_LOG(ERROR, TAG, "it didn't order");
+ return CA_BLOCK_INCOMPLETE;
+ }
+ return CA_BLOCK_RECEIVED_ALREADY;
+ }
+ }
+
+ // #3. check if error check logic is required
+ size_t optionLen = dataLen - blockPayloadLen;
+ if (receivedBlock->m && blockPayloadLen != BLOCK_SIZE(receivedBlock->szx))
+ {
+ // 413 Error handling of too large entity
+ if (COAP_MAX_PDU_SIZE < BLOCK_SIZE(receivedBlock->szx) + optionLen)
+ {
+ // buffer size is smaller than received block size
+ OIC_LOG(ERROR, TAG, "error type 4.13");
+ OIC_LOG(ERROR, TAG, "too large size");
+
+ // set the block size to be smaller than COAP_MAX_PDU_SIZE
+ for (int32_t size = CA_DEFAULT_BLOCK_SIZE; size >= 0; size--)
+ {
+ if (COAP_MAX_PDU_SIZE >= BLOCK_SIZE(size) + optionLen)
+ {
+ OIC_LOG_V(ERROR, TAG, "replace sze with %d", size);
+ currData->block.szx = size;
+ break;
+ }
+ }
+ return CA_BLOCK_TOO_LARGE;
+ }
+ else
+ {
+ // 408 Error handling of payload loss
+ OIC_LOG(ERROR, TAG, "error type 4.08");
+ OIC_LOG(ERROR, TAG, "payload len != block sze");
+ return CA_BLOCK_INCOMPLETE;
+ }
+ }
+ else if (0 == receivedBlock->m && 0 != currData->payloadLength)
+ {
+ // if the received block is last block, check the total payload length
+ size_t receivedPayloadLen = currData->receivedPayloadLen;
+ receivedPayloadLen += blockPayloadLen;
+
+ if (receivedPayloadLen != currData->payloadLength)
+ {
+ OIC_LOG(ERROR, TAG, "error type 4.08");
+ OIC_LOG(ERROR, TAG, "total payload length is wrong");
+ return CA_BLOCK_INCOMPLETE;
+ }
+ }
+
+ OIC_LOG(DEBUG, TAG, "received all data normally");
+
+ OIC_LOG(DEBUG, TAG, "OUT-CheckBlockError");
+
+ return CA_BLOCK_UNKNOWN;
+}
+
+CAResult_t CAUpdatePayloadData(CABlockData_t *currData, const CAData_t *receivedData,
+ uint8_t status, bool isSizeOption)
+{
+ OIC_LOG(DEBUG, TAG, "IN-UpdatePayloadData");
+
+ VERIFY_NON_NULL(currData, TAG, "currData");
+ VERIFY_NON_NULL(receivedData, TAG, "receivedData");
+
+ // if error code is 4.08, do not update payload
+ if (CA_BLOCK_INCOMPLETE == status)
+ {
+ OIC_LOG(ERROR, TAG, "no require to update");
+ return CA_STATUS_OK;
+ }
+
+ size_t blockPayloadLen = 0;
+ CAPayload_t blockPayload = CAGetPayloadInfo(receivedData, &blockPayloadLen);
+
+ if (CA_BLOCK_TOO_LARGE == status)
+ {
+ blockPayloadLen = BLOCK_SIZE(currData->block.szx);
+ }
+
+ // memory allocation for the received block payload
+ size_t prePayloadLen = currData->receivedPayloadLen;
+ if (NULL != blockPayload)
+ {
+ if (0 != currData->payloadLength)
+ {
+ // in case the block message has the size option
+ // allocate the memory for the total payload
+ if (true == isSizeOption)
+ {
+ CAPayload_t prePayload = currData->payload;
+
+ OIC_LOG(DEBUG, TAG, "allocate memory for the total payload");
+ currData->payload = (CAPayload_t) OICCalloc(currData->payloadLength + 1,
+ sizeof(char));
+ if (NULL == currData->payload)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+ memcpy(currData->payload, prePayload, prePayloadLen);
+ OICFree(prePayload);
+ }
+
+ // update the total payload
+ memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
+ }
+ else
+ {
+ OIC_LOG(DEBUG, TAG, "allocate memory for the received block payload");
+
+ size_t totalPayloadLen = prePayloadLen + blockPayloadLen + 1;
+ void *newPayload = realloc(currData->payload, totalPayloadLen);
+ if (NULL == newPayload)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+
+ // update the total payload
+ memset(newPayload + prePayloadLen, 0, blockPayloadLen + 1);
+ currData->payload = newPayload;
+ memcpy(currData->payload + prePayloadLen, blockPayload, blockPayloadLen);
+ }
+
+ // update received payload length
+ currData->receivedPayloadLen += blockPayloadLen;
+
+ OIC_LOG_V(DEBUG, TAG, "updated payload: %s, len: %d", currData->payload,
+ currData->receivedPayloadLen);
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT-UpdatePayloadData");
+ return CA_STATUS_OK;
+}
+
+CAData_t* CACreateNewDataSet(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint)
+{
+ VERIFY_NON_NULL_RET(pdu, TAG, "pdu", NULL);
+ VERIFY_NON_NULL_RET(pdu->hdr, TAG, "pdu->hdr", NULL);
+ VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
+
+ CAInfo_t responseData = { 0 };
+ responseData.token = (CAToken_t) OICMalloc(pdu->hdr->token_length);
+ if (NULL == responseData.token)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ return NULL;
+ }
+ memcpy(responseData.token, pdu->hdr->token, pdu->hdr->token_length);
+ responseData.tokenLength = pdu->hdr->token_length;
+ CAResponseInfo_t* responseInfo = (CAResponseInfo_t*) OICCalloc(1, sizeof(CAResponseInfo_t));
+ if (NULL == responseInfo)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ return NULL;
+ }
+ responseInfo->info = responseData;
+
+ CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ OICFree(responseInfo);
+ return NULL;
+ }
+
+ data->requestInfo = NULL;
+ data->responseInfo = responseInfo;
+ data->remoteEndpoint = CACloneEndpoint(endpoint);
+ data->type = SEND_TYPE_UNICAST;
+
+ return data;
+}
+
+CAData_t *CACloneCAData(const CAData_t *data)
+{
+ VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
+
+ CAData_t *clone = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
+ if (NULL == clone)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ return NULL;
+ }
+ memcpy(clone, data, sizeof(CAData_t));
+
+ if (data->requestInfo)
+ {
+ clone->requestInfo = CACloneRequestInfo(data->requestInfo);
+ }
+
+ if (data->responseInfo)
+ {
+ clone->responseInfo = CACloneResponseInfo(data->responseInfo);
+ }
+
+ if (data->remoteEndpoint)
+ {
+ clone->remoteEndpoint = CACloneEndpoint(data->remoteEndpoint);
+ }
+
+ if (NULL != data->options && 0 < data->numOptions)
+ {
+ // copy data
+ CAHeaderOption_t *headerOption = (CAHeaderOption_t *) OICMalloc(sizeof(CAHeaderOption_t)
+ * data->numOptions);
+ if (NULL == headerOption)
+ {
+ OIC_LOG(ERROR, TAG, "Out of memory");
+ CADestroyDataSet(clone);
+ return NULL;
+ }
+ memcpy(headerOption, data->options, sizeof(CAHeaderOption_t) * data->numOptions);
+
+ clone->options = headerOption;
+ }
+
+ return clone;
+}
+
+CAResult_t CAUpdatePayloadToCAData(CAData_t *data, const CAPayload_t payload,
+ size_t payloadLen)
+{
+ OIC_LOG(DEBUG, TAG, "IN-UpdatePayload");
+
+ VERIFY_NON_NULL(data, TAG, "data is NULL");
+ VERIFY_NON_NULL(payload, TAG, "payload is NULL");
+
+ if (NULL != data->requestInfo)
+ {
+ // allocate payload field
+ if (NULL != data->requestInfo->info.payload)
+ {
+ char *temp = (char *) OICCalloc(payloadLen, sizeof(char));
+ if (NULL == temp)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ return CA_STATUS_FAILED;
+ }
+ memcpy(temp, payload, payloadLen);
+
+ // save the full payload
+ OICFree(data->requestInfo->info.payload);
+ data->requestInfo->info.payload = (CAPayload_t) temp;
+ }
+ data->requestInfo->info.payloadSize = payloadLen;
+ }
+
+ if (NULL != data->responseInfo)
+ {
+ // allocate payload field
+ if (NULL != data->responseInfo->info.payload)
+ {
+ char *temp = (char *) OICCalloc(payloadLen, sizeof(char));
+ if (NULL == temp)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ return CA_STATUS_FAILED;
+ }
+ memcpy(temp, payload, payloadLen);
+
+ // save the full payload
+ OICFree(data->responseInfo->info.payload);
+ data->responseInfo->info.payload = (CAPayload_t) temp;
+ }
+ data->responseInfo->info.payloadSize = payloadLen;
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT-UpdatePayload");
+
+ return CA_STATUS_OK;
+}
+
+CAPayload_t CAGetPayloadInfo(const CAData_t *data, size_t *payloadLen)
+{
+ VERIFY_NON_NULL_RET(data, TAG, "data", NULL);
+ VERIFY_NON_NULL_RET(payloadLen, TAG, "payloadLen", NULL);
+
+ if (NULL != data->requestInfo)
+ {
+ if (NULL != data->requestInfo->info.payload)
+ {
+ *payloadLen = data->requestInfo->info.payloadSize;
+ return data->requestInfo->info.payload;
+ }
+ }
+ else
+ {
+ if (NULL != data->responseInfo->info.payload)
+ {
+ *payloadLen = data->responseInfo->info.payloadSize;
+ return data->responseInfo->info.payload;
+ }
+ }
+
+ return NULL;
+}
+
+CAResult_t CAHandleBlockErrorResponse(coap_block_t *block, uint16_t blockType,
+ uint32_t responseResult)
+{
+ OIC_LOG(DEBUG, TAG, "IN-HandleBlockErrorRes");
+ VERIFY_NON_NULL(block, TAG, "block is NULL");
+
+ // update block data
+ switch (responseResult)
+ {
+ case CA_REQUEST_ENTITY_INCOMPLETE:
+ block->num = 0;
+ break;
+ case CA_REQUEST_ENTITY_TOO_LARGE:
+ if (COAP_OPTION_BLOCK1 == blockType)
+ {
+ block->num++;
+ }
+ block->m = 0;
+ break;
+ default:
+ OIC_LOG_V(ERROR, TAG, "there is no Error Code of BWT[%d]", responseResult);
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT-HandleBlockErrorRes");
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAUpdateBlockOptionType(const unsigned char* token, uint8_t blockType)
+{
+ OIC_LOG(DEBUG, TAG, "IN-UpdateBlockOptionType");
+ VERIFY_NON_NULL(token, TAG, "token");
+
+ ca_mutex_lock(g_context.blockDataListMutex);
+
+ size_t len = u_arraylist_length(g_context.dataList);
+ for (size_t i = 0; i < len; i++)
+ {
+ CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
+ if (currData && currData->token)
+ {
+ if (!strncmp(currData->token, (const char *) token, currData->tokenLength))
+ {
+ currData->type = blockType;
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
+ return CA_STATUS_OK;
+ }
+ }
+ }
+ ca_mutex_unlock(g_context.blockDataListMutex);
+
+ OIC_LOG(DEBUG, TAG, "OUT-UpdateBlockOptionType");
+ return CA_STATUS_FAILED;
+}
+
+uint8_t CAGetBlockOptionType(const unsigned char* token)
+{
+ OIC_LOG(DEBUG, TAG, "IN-GetBlockOptionType");
+ VERIFY_NON_NULL(token, TAG, "token");
+
+ ca_mutex_lock(g_context.blockDataListMutex);
+
+ size_t len = u_arraylist_length(g_context.dataList);
+ for (size_t i = 0; i < len; i++)
+ {
+ CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
+ if (currData && currData->token)
+ {
+ if (!strncmp(currData->token, (const char *) token, currData->tokenLength))
+ {
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
+ return currData->type;
+ }
+ }
+ }
+ ca_mutex_unlock(g_context.blockDataListMutex);
+
+ OIC_LOG(DEBUG, TAG, "OUT-GetBlockOptionType");
+ return 0;
+}
+
+CAData_t *CAGetDataSetFromBlockDataList(const unsigned char* token)
+{
+ VERIFY_NON_NULL_RET(token, TAG, "token", NULL);
+
+ ca_mutex_lock(g_context.blockDataListMutex);
+
+ size_t len = u_arraylist_length(g_context.dataList);
+ for (size_t i = 0; i < len; i++)
+ {
+ CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
+ if (currData && currData->token)
+ {
+ if (!strncmp(currData->token, (const char *) token, currData->tokenLength))
+ {
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ return currData->sentData;
+ }
+ }
+ }
+ ca_mutex_unlock(g_context.blockDataListMutex);
+
+ return NULL;
+}
+
+CAResult_t CAGetTokenFromBlockDataList(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
+ CAResponseInfo_t *responseInfo)
+{
+ OIC_LOG(DEBUG, TAG, "IN-CAGetTokenFromBlockDataList");
+ VERIFY_NON_NULL(pdu, TAG, "pdu");
+ VERIFY_NON_NULL(endpoint, TAG, "endpoint");
+ VERIFY_NON_NULL(responseInfo, TAG, "responseInfo");
+
+ ca_mutex_lock(g_context.blockDataListMutex);
+
+ size_t len = u_arraylist_length(g_context.dataList);
+ for (size_t i = 0; i < len; i++)
+ {
+ CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
+ if (NULL == currData)
+ {
+ continue;
+ }
+
+ if (NULL != currData->sentData && NULL != currData->sentData->requestInfo)
+ {
+ if (pdu->hdr->id == currData->sentData->requestInfo->info.messageId &&
+ endpoint->adapter == currData->sentData->remoteEndpoint->adapter)
+ {
+ if (NULL != currData->token)
+ {
+ responseInfo->info.tokenLength = currData->tokenLength;
+ responseInfo->info.token = (char *) OICMalloc(currData->tokenLength);
+ if (NULL == responseInfo->info.token)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+ memcpy(responseInfo->info.token, currData->token,
+ responseInfo->info.tokenLength);
+
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
+ return CA_STATUS_OK;
+ }
+ }
+ }
+ }
+
+ ca_mutex_unlock(g_context.blockDataListMutex);
+
+ OIC_LOG(DEBUG, TAG, "OUT-CAGetTokenFromBlockDataList");
+ return CA_STATUS_FAILED;
+}
+
+CAResult_t CACheckBlockDataValidation(const CAData_t *sendData, CABlockData_t **blockData)
+{
+ VERIFY_NON_NULL(sendData, TAG, "sendData");
+ VERIFY_NON_NULL(blockData, TAG, "blockData");
+
+ ca_mutex_lock(g_context.blockDataListMutex);
+
+ size_t len = u_arraylist_length(g_context.dataList);
+ for (size_t i = 0; i < len; i++)
+ {
+ CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
+
+ if ((NULL == currData) || (NULL == currData->token))
+ {
+ continue;
+ }
+
+ if (NULL != sendData->requestInfo) // sendData is requestMessage
+ {
+ OIC_LOG(DEBUG, TAG, "Send request");
+ if (NULL != currData->token && NULL != sendData->requestInfo->info.token)
+ {
+ if (!strncmp(currData->token, sendData->requestInfo->info.token,
+ currData->tokenLength))
+ {
+ OIC_LOG(ERROR, TAG, "already sent");
+ continue;
+ }
+ }
+ }
+ else if (NULL != sendData->responseInfo) // sendData is responseMessage
+ {
+ OIC_LOG(DEBUG, TAG, "Send response");
+ if (NULL != currData->token && NULL != sendData->responseInfo->info.token)
+ {
+ if (!strncmp(currData->token, sendData->responseInfo->info.token,
+ currData->tokenLength))
+ {
+ // set sendData
+ if (NULL != currData->sentData)
+ {
+ OIC_LOG(DEBUG, TAG, "init block number");
+ currData->block.num = 0;
+ CADestroyDataSet(currData->sentData);
+ }
+ currData->sentData = CACloneCAData(sendData);
+ *blockData = currData;
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ return CA_STATUS_OK;
+ }
+ }
+ }
+ else
+ {
+ OIC_LOG(ERROR, TAG, "no CAInfo data");
+ continue;
+ }
+ }
+ ca_mutex_unlock(g_context.blockDataListMutex);
+
+ return CA_STATUS_FAILED;
+}
+
+CABlockData_t *CAGetBlockDataFromBlockDataList(const unsigned char* token)
+{
+ VERIFY_NON_NULL_RET(token, TAG, "token", NULL);
+
+ ca_mutex_lock(g_context.blockDataListMutex);
+
+ size_t len = u_arraylist_length(g_context.dataList);
+ for (size_t i = 0; i < len; i++)
+ {
+ CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
+ if (currData && currData->token)
+ {
+ if (!strncmp(currData->token, (const char *) token, currData->tokenLength))
+ {
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ return currData;
+ }
+ }
+ }
+ ca_mutex_unlock(g_context.blockDataListMutex);
+
+ return NULL;
+}
+
+coap_block_t *CAGetBlockOption(const unsigned char* token)
+{
+ OIC_LOG(DEBUG, TAG, "IN-GetBlockOption");
+ VERIFY_NON_NULL_RET(token, TAG, "token", NULL);
+
+ ca_mutex_lock(g_context.blockDataListMutex);
+
+ size_t len = u_arraylist_length(g_context.dataList);
+ for (size_t i = 0; i < len; i++)
+ {
+ CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
+ if (currData && currData->token)
+ {
+ if (!strncmp(currData->token, (const char *) token, currData->tokenLength))
+ {
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
+ return &currData->block;
+ }
+ }
+ }
+ ca_mutex_unlock(g_context.blockDataListMutex);
+
+ OIC_LOG(DEBUG, TAG, "OUT-GetBlockOption");
+ return NULL;
+}
+
+CAPayload_t CAGetPayloadFromBlockDataList(const unsigned char* token, size_t *fullPayloadLen)
+{
+ OIC_LOG(DEBUG, TAG, "IN-GetFullPayload");
+ VERIFY_NON_NULL_RET(token, TAG, "token", NULL);
+ VERIFY_NON_NULL_RET(fullPayloadLen, TAG, "fullPayloadLen", NULL);
+
+ ca_mutex_lock(g_context.blockDataListMutex);
+
+ size_t len = u_arraylist_length(g_context.dataList);
+ for (size_t i = 0; i < len; i++)
+ {
+ CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
+ if (currData && currData->token)
+ {
+ if (!strncmp(currData->token, (const char *) token, currData->tokenLength))
+ {
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ *fullPayloadLen = currData->receivedPayloadLen;
+ OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
+ return currData->payload;
+ }
+ }
+ }
+ ca_mutex_unlock(g_context.blockDataListMutex);
+
+ OIC_LOG(DEBUG, TAG, "OUT-GetFullPayload");
+ return NULL;
+}
+
+CABlockData_t *CACreateNewBlockData(const CAData_t *sendData)
+{
+ OIC_LOG(DEBUG, TAG, "IN-CreateBlockData");
+ VERIFY_NON_NULL_RET(sendData, TAG, "sendData", NULL);
+
+ // create block data
+ CABlockData_t *data = (CABlockData_t *) OICCalloc(1, sizeof(CABlockData_t));
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "memory alloc has failed");
+ return NULL;
+ }
+
+ data->block.num = 0;
+ data->block.m = 0;
+ data->block.szx = CA_DEFAULT_BLOCK_SIZE;
+ data->type = 0;
+ data->sentData = CACloneCAData(sendData);
+ data->payload = NULL;
+ data->payloadLength = 0;
+ data->receivedPayloadLen = 0;
+
+ if (data->sentData->requestInfo)
+ {
+ // update token info
+ uint8_t tokenLength = data->sentData->requestInfo->info.tokenLength;
+
+ data->tokenLength = tokenLength;
+ data->token = (char *) OICMalloc(tokenLength * sizeof(char));
+ if (!data->token)
+ {
+ OIC_LOG(ERROR, TAG, "memory alloc has failed");
+ OICFree(data);
+ return NULL;
+ }
+ memcpy(data->token, data->sentData->requestInfo->info.token, tokenLength);
+ }
+ else if(data->sentData->responseInfo)
+ {
+ uint8_t tokenLength = data->sentData->responseInfo->info.tokenLength;
+
+ data->tokenLength = tokenLength;
+ data->token = (char *) OICMalloc(tokenLength * sizeof(char));
+ if (!data->token)
+ {
+ OIC_LOG(ERROR, TAG, "memory alloc has failed");
+ OICFree(data);
+ return NULL;
+ }
+ memcpy(data->token, data->sentData->responseInfo->info.token, tokenLength);
+ }
+
+ ca_mutex_lock(g_context.blockDataListMutex);
+
+ CAResult_t res = u_arraylist_add(g_context.dataList, (void *) data);
+ if (CA_STATUS_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "add has failed");
+ OICFree(data->token);
+ OICFree(data);
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ return NULL;
+ }
+ ca_mutex_unlock(g_context.blockDataListMutex);
+
+ OIC_LOG(DEBUG, TAG, "OUT-CreateBlockData");
+ return data;
+}
+
+CAResult_t CARemoveBlockDataFromList(const unsigned char* token)
+{
+ OIC_LOG(DEBUG, TAG, "CARemoveBlockData");
+ VERIFY_NON_NULL(token, TAG, "token");
+
+ ca_mutex_lock(g_context.blockDataListMutex);
+
+ size_t len = u_arraylist_length(g_context.dataList);
+ for (size_t i = 0; i < len; i++)
+ {
+ CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
+ if (currData && currData->token)
+ {
+ if (!strncmp(currData->token, (const char *) token, currData->tokenLength))
+ {
+ CABlockData_t *removedData = u_arraylist_remove(g_context.dataList, i);
+ if (NULL == removedData)
+ {
+ OIC_LOG(ERROR, TAG, "data is NULL");
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ return CA_STATUS_FAILED;
+ }
+
+ // destroy memory
+ if (currData->sentData)
+ {
+ CADestroyDataSet(currData->sentData);
+ }
+ OICFree(currData->payload);
+ OICFree(currData->token);
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ return CA_STATUS_OK;
+ }
+ }
+ }
+ ca_mutex_unlock(g_context.blockDataListMutex);
+
+ return CA_STATUS_OK;
+}
+
+bool CAIsBlockDataInList(const coap_pdu_t *pdu)
+{
+ OIC_LOG(DEBUG, TAG, "IN-IsBlockDataInList");
+ VERIFY_NON_NULL_RET(pdu, TAG, "pdu", false);
+ VERIFY_NON_NULL_RET(pdu->hdr, TAG, "pdu->hdr", false);
+
+ ca_mutex_lock(g_context.blockDataListMutex);
+
+ size_t len = u_arraylist_length(g_context.dataList);
+ for (size_t i = 0; i < len; i++)
+ {
+ CABlockData_t *currData = (CABlockData_t *) u_arraylist_get(g_context.dataList, i);
+ if (currData && currData->token)
+ {
+ if (!strncmp(currData->token, (const char *) pdu->hdr->token, currData->tokenLength))
+ {
+ OIC_LOG(DEBUG, TAG, "found block data");
+ ca_mutex_unlock(g_context.blockDataListMutex);
+ return true;
+ }
+ }
+ }
+ ca_mutex_unlock(g_context.blockDataListMutex);
+
+ OIC_LOG(DEBUG, TAG, "OUT-IsBlockDataInList");
+ return false;
+}
+
+void CADestroyDataSet(CAData_t* data)
+{
+ VERIFY_NON_NULL_VOID(data, TAG, "data");
+
+ CAFreeEndpoint(data->remoteEndpoint);
+ CADestroyRequestInfoInternal(data->requestInfo);
+ CADestroyResponseInfoInternal(data->responseInfo);
+ OICFree(data->options);
+ OICFree(data);
+}
+
+void CALogBlockInfo(coap_block_t *block)
+{
+ VERIFY_NON_NULL_VOID(block, TAG, "block");
+
+ OIC_LOG(DEBUG, TAG, "block option info");
+
+ OIC_LOG_V(DEBUG, TAG, "block option-num : %d", block->num);
+
+ OIC_LOG_V(DEBUG, TAG, "block option-m : %d", block->m);
+
+ OIC_LOG_V(DEBUG, TAG, "block option-szx : %d", block->szx);
+}
projects / platform / upstream / iotivity.git / commitdiff