You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

88 lines
2.9 KiB

/*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Willow Garage, Inc.
* Copyright (c) 2013, Open Source Robotics Foundation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Willow Garage, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CPP_CORE_HEADER_H
#define CPP_CORE_HEADER_H
#include <stdint.h>
#include "../../../cpp_common/include/ros/datatypes.h"
#include "cpp_common_decl.h"
namespace rs2rosinternal
{
/**
* \brief Provides functionality to parse a connection header and retrieve values from it
*/
class CPP_COMMON_DECL Header
{
public:
Header();
~Header();
/**
* \brief Get a value from a parsed header
* \param key Key value
* \param value OUT -- value corresponding to the key if there is one
* \return Returns true if the header had the specified key in it
*/
bool getValue(const std::string& key, std::string& value) const;
/**
* \brief Returns a shared pointer to the internal map used
*/
M_stringPtr getValues() { return read_map_; }
/**
* \brief Parse a header out of a buffer of data
*/
bool parse(const std::vector<uint8_t>& buffer, uint32_t size, std::string& error_msg);
/**
* \brief Parse a header out of a buffer of data
*/
bool parse(const uint8_t* buffer, uint32_t size, std::string& error_msg);
static void write(const M_string& key_vals, std::vector<uint8_t>& buffer, uint32_t& size);
private:
M_stringPtr read_map_;
};
}
#endif // ROSCPP_HEADER_H