// Copyright 2011 Dean Michael Berris <dberris@google.com>.

// Copyright 2011 Google, Inc.

// Distributed under the Boost Software License, Version 1.0.

// (See accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

#ifndef NETWORK_MESSAGE_BASE_HPP_20110910

#define NETWORK_MESSAGE_BASE_HPP_20110910

#include <functional>

#include <boost/range/iterator_range.hpp>

namespace network {

struct message_base {

// Mutators

virtual void set_destination(std::string const& destination) = 0;

virtual void set_source(std::string const& source) = 0;

virtual void append_header(std::string const& name,

std::string const& value) = 0;

virtual void remove_headers(std::string const& name) = 0;

virtual void remove_headers() = 0;

virtual void set_body(std::string const& body) = 0;

virtual void append_body(std::string const& data) = 0;

// Retrievers

virtual void get_destination(std::string& destination) const = 0;

virtual void get_source(std::string& source) const = 0;

virtual void get_headers(std::function<

void(std::string const&, std::string const&)> inserter) const = 0;

virtual void get_headers(

std::string const& name,

std::function<

void(std::string const&, std::string const&)> inserter) const = 0;

virtual void get_headers(

std::function<bool(std::string const&, std::string const&)> predicate,

std::function<

void(std::string const&, std::string const&)> inserter) const = 0;

virtual void get_body(

std::function<void(std::string::const_iterator, size_t)> chunk_reader,

size_t size) const = 0;

virtual void get_body(std::string& body) const = 0;

// Destructor

virtual ~message_base() = 0; // pure virtual

};

} // namespace network

#endif /* NETWORK_MESSAGE_BASE_HPP_20110910 */