1 files changed, 121 insertions, 0 deletions
diff --git a/contrib/epee/include/net/protocol_switcher.h b/contrib/epee/include/net/protocol_switcher.h
new file mode 100644
index 000000000..f9a6dbe6f
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+++ b/contrib/epee/include/net/protocol_switcher.h
@@ -0,0 +1,121 @@
+// 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(boost::uint64_t))
+				return true;
+
+			if(*((boost::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_
+\ No newline at end of file