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Remove protocol_switcher.h

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Jeffrey 2022-02-13 23:22:46 -06:00
parent cd3186988b
commit 642e533edb
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contrib/epee/include/net/protocol_switcher.h
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// 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_