122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
|
|
// 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 the Andrey N. Sabelnikov 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 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 _PROTOCOL_SWITCHER_H_
|
|
#define _PROTOCOL_SWITCHER_H_
|
|
|
|
#include "levin_base.h"
|
|
#include "http_server.h"
|
|
#include "levin_protocol_handler.h"
|
|
//#include "abstract_tcp_server.h"
|
|
|
|
namespace epee
|
|
{
|
|
namespace net_utils
|
|
{
|
|
struct protocl_switcher_config
|
|
{
|
|
http::http_custom_handler::config_type m_http_config;
|
|
levin::protocol_handler::config_type m_levin_config;
|
|
};
|
|
|
|
|
|
struct i_protocol_handler
|
|
{
|
|
virtual bool handle_recv(const void* ptr, size_t cb)=0;
|
|
};
|
|
|
|
template<class t>
|
|
class t_protocol_handler: public i_protocol_handler
|
|
{
|
|
public:
|
|
typedef t t_type;
|
|
t_protocol_handler(i_service_endpoint* psnd_hndlr, typename t_type::config_type& config, const connection_context& conn_context):m_hadler(psnd_hndlr, config, conn_context)
|
|
{}
|
|
private:
|
|
bool handle_recv(const void* ptr, size_t cb)
|
|
{
|
|
return m_hadler.handle_recv(ptr, cb);
|
|
}
|
|
t_type m_hadler;
|
|
};
|
|
|
|
|
|
class protocol_switcher
|
|
{
|
|
public:
|
|
typedef protocl_switcher_config config_type;
|
|
|
|
protocol_switcher(net_utils::i_service_endpoint* psnd_hndlr, config_type& config, const net_utils::connection_context_base& conn_context);
|
|
virtual ~protocol_switcher(){}
|
|
|
|
virtual bool handle_recv(const void* ptr, size_t cb);
|
|
|
|
bool after_init_connection(){return true;}
|
|
private:
|
|
t_protocol_handler<http::http_custom_handler> m_http_handler;
|
|
t_protocol_handler<levin::protocol_handler> m_levin_handler;
|
|
i_protocol_handler* pcurrent_handler;
|
|
|
|
std::string m_cached_buff;
|
|
};
|
|
|
|
protocol_switcher::protocol_switcher(net_utils::i_service_endpoint* psnd_hndlr, config_type& config, const net_utils::connection_context_base& conn_context):m_http_handler(psnd_hndlr, config.m_http_config, conn_context), m_levin_handler(psnd_hndlr, config.m_levin_config, conn_context), pcurrent_handler(NULL)
|
|
{}
|
|
|
|
bool protocol_switcher::handle_recv(const void* ptr, size_t cb)
|
|
{
|
|
if(pcurrent_handler)
|
|
return pcurrent_handler->handle_recv(ptr, cb);
|
|
else
|
|
{
|
|
m_cached_buff.append((const char*)ptr, cb);
|
|
if(m_cached_buff.size() < sizeof(uint64_t))
|
|
return true;
|
|
|
|
if(*((uint64_t*)&m_cached_buff[0]) == LEVIN_SIGNATURE)
|
|
{
|
|
pcurrent_handler = &m_levin_handler;
|
|
return pcurrent_handler->handle_recv(m_cached_buff.data(), m_cached_buff.size());
|
|
}
|
|
if(m_cached_buff.substr(0, 4) == "GET " || m_cached_buff.substr(0, 4) == "POST")
|
|
{
|
|
pcurrent_handler = &m_http_handler;
|
|
return pcurrent_handler->handle_recv(m_cached_buff.data(), m_cached_buff.size());
|
|
}else
|
|
{
|
|
LOG_ERROR("Wrong protocol accepted on port...");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
#endif //_PROTOCOL_SWITCHER_H_
|