+++ /dev/null
-/* ****************************************************************
- *
- * Copyright 2014 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 utility functions to manage the CA msg
- * fragmentation and reassemebly.
- */
-
-#ifndef CA_FRAGMENTATION_H_
-#define CA_FRAGMENTATION_H_
-
-#include "cacommon.h"
-#include "logger.h"
-
-/**
- * From the adapter level, this is the maximum data length is supported
- * for the data transmission.
- */
-#define MAX_DATA_LENGTH_SUPPORTED 4095
-
-/**
- * The number of bits allocated to represent data length in header.
- */
-#define NUMBER_OF_BITS_TO_IDENTIFY_DATA 12
-
-/**
- * The length of the header in bits.
- */
-#define NUMBER_OF_BITS_IN_CA_HEADER 15
-
-/**
- * The length of the header in bytes.
- */
-#define CA_HEADER_LENGTH 2
-
-/**
- * The MTU supported for BLE adapter
- */
-#define CA_SUPPORTED_BLE_MTU_SIZE 20
-
-#ifdef __TIZEN__
-/**
- * Reserved bit to differentiating the platform. Currently not in use.
- */
-#define PLATFORM_IDENTIFIER_BIT 1
-
-/**
- * The MTU supported from Tizen platform for EDR adapter.
- */
-#define CA_SUPPORTED_EDR_MTU_SIZE 512
-
-#elif __ANDROID__
-/**
- * Reserved bit to differentiating the platform. Currently not in use.
- */
-#define PLATFORM_IDENTIFIER_BIT 0
-
-/**
- * The MTU supported from Android platform for EDR adapter.
- */
-#define CA_SUPPORTED_EDR_MTU_SIZE 200
-
-#elif __ARDUINO__
-/**
- * Reserved bit to differentiating the platform. Currently not in use.
- */
-#define PLATFORM_IDENTIFIER_BIT 0
-
-/**
- * The MTU supported from Arduino platform for EDR adapter.
- */
-#define CA_SUPPORTED_EDR_MTU_SIZE 200
-
-#else //Other Platforms
-/**
- * Reserved bit to differentiating the platform. Currently not in use.
- */
-#define PLATFORM_IDENTIFIER_BIT 0
-
-/**
- * The MTU supported for EDR adapter
- */
-#define CA_SUPPORTED_EDR_MTU_SIZE 200
-
-#endif
-
-/**
- * Current Header version.
- */
-#define HEADER_VERSION 1
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-/*****************************************************************
- * @file The CA Header format
- * CA Header will be defined by 2 bytes of Header.
- * First two bits : Header version(Currently Its not being used)
- * Third bit and fourth bit: Reserved bits for future use.
- * 5th to 16th bit : 12 bits to provide the length of the data.
- *****************************************************************/
-
-/**
- * This function is used to generate the CA specific header to
- * maintain the fragmentation logic. The header structure explained
- * above will be formed and returned to the caller.
- *
- * @param[in,out] header Pointer to the octet array that will
- * contain the generated header.
- * @param[in] headerLength Length of the @a header octet array.
- * @param[in] dataLength The total length of the data. The
- * length will be embedded in bits 5-16 of
- * the header, meaning the maximum overall
- * length of the data to be fragmented can
- * be no more than 4096 (2^12).
- *
- * @return @c CA_STATUS_OK on success. One of the @c CA_STATUS_FAILED
- * or other error values on error.
- * @retval @c CA_STATUS_OK Successful
- * @retval @c CA_STATUS_INVALID_PARAM Invalid input arguments
- * @retval @c CA_STATUS_FAILED Operation failed
- */
-CAResult_t CAGenerateHeader(uint8_t *header,
- size_t headerLength,
- size_t datalength);
-
-/**
- * This function is used to parse the header in the receiver end. This
- * function will provide the information of the total length of the
- * data which has been fragmented.
- *
- * @param[in] header Pointer to the octet array data which contains
- * the header information. Note that pointer should
- * point to two bytes of data header which needs to
- * be parsed.
- * @param[in] length Length of the @a octet array containing the
- * header.
- *
- * @return Overall length of the data to be reassembled, or 0 on
- * failure.
- */
-uint32_t CAParseHeader(const uint8_t *header, size_t length);
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif /* CA_FRAGMENTATION_H_ */
+++ /dev/null
-/******************************************************************
- *
- * Copyright 2014 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.
- *
- ******************************************************************/
-
-#include <string.h>
-#include <math.h>
-
-#include "cacommon.h"
-#include "caadapterutils.h"
-#include "cafragmentation.h"
-
-/**
- * Debugging tag for fragmentation module.
- */
-#define CA_FRAGMENTATION_TAG "OIC_CA_FRAG"
-
-CAResult_t CAGenerateHeader(uint8_t *header,
- size_t headerLength,
- size_t dataLength)
-{
- OIC_LOG(DEBUG, CA_FRAGMENTATION_TAG, "IN");
-
- VERIFY_NON_NULL(header, CA_FRAGMENTATION_TAG, "header is NULL");
-
- if (headerLength < CA_HEADER_LENGTH)
- {
- return CA_STATUS_FAILED;
- }
-
- if (dataLength > MAX_DATA_LENGTH_SUPPORTED)
- {
- OIC_LOG_V(WARNING,
- CA_FRAGMENTATION_TAG,
- "Given length is more than %d. It will be truncated.",
- MAX_DATA_LENGTH_SUPPORTED);
- }
-
- // Only bother initializing the header section of the buffer. It
- // is up to the caller to handle the data section.
- memset(header, 0, CA_HEADER_LENGTH);
-
- // If length is more than 4095 then it will be truncated.
- header[1] = dataLength & 0xFF;
- dataLength >>= 8;
- header[0] = dataLength & 0x0F;
- header[0] = header[0] | 0x40; // Adding version 0100.
- // (Not used. Future use)
-
- OIC_LOG(DEBUG, CA_FRAGMENTATION_TAG, "OUT");
-
- return CA_STATUS_OK;
-}
-
-uint32_t CAParseHeader(const uint8_t *header, size_t length)
-{
- OIC_LOG(DEBUG, CA_FRAGMENTATION_TAG, "IN");
-
- VERIFY_NON_NULL_RET(header, CA_FRAGMENTATION_TAG, "header is NULL", 0);
-
- uint32_t dataLen = 0;
-
- if (length >= CA_HEADER_LENGTH)
- {
- dataLen = ((header[0] & 0x0F) << 8) | (header[1] & 0xFF);
- }
-
- OIC_LOG(DEBUG, CA_FRAGMENTATION_TAG, "OUT");
-
- return dataLen;
-}
projects / platform / upstream / iotivity.git / commitdiff