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orignal 2014-09-24 14:59:03 -04:00
parent a7fa896b3e
commit 2914bb67f1
2 changed files with 173 additions and 4 deletions
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133
SAM.cpp
View File

@ -1,3 +1,4 @@
#include <string.h>
#include <boost/bind.hpp>
#include "Log.h"
#include "SAM.h"
@ -6,6 +7,131 @@ namespace i2p
{
namespace stream
{
SAMSocket::SAMSocket (SAMBridge& owner):
m_Owner (owner), m_Socket (m_Owner.GetService ()), m_Stream (nullptr)
{
}
SAMSocket::~SAMSocket ()
{
delete m_Stream;
}
void SAMSocket::Terminate ()
{
if (m_Stream)
{
m_Stream->Close ();
delete m_Stream;
m_Stream = nullptr;
}
delete this;
}
void SAMSocket::ReceiveHandshake ()
{
m_Socket.async_read_some (boost::asio::buffer(m_Buffer, SAM_SOCKET_BUFFER_SIZE),
boost::bind(&SAMSocket::HandleHandshakeReceived, this,
boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred));
}
void SAMSocket::HandleHandshakeReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred)
{
if (ecode)
{
LogPrint ("SAM handshake read error: ", ecode.message ());
if (ecode != boost::asio::error::operation_aborted)
Terminate ();
}
else
{
m_Buffer[bytes_transferred] = 0;
LogPrint ("SAM handshake ", m_Buffer);
if (!memcmp (m_Buffer, SAM_HANDSHAKE, sizeof (SAM_HANDSHAKE)))
{
// TODO: check version
boost::asio::async_write (m_Socket, boost::asio::buffer (SAM_HANDSHAKE_REPLY, sizeof (SAM_HANDSHAKE_REPLY)), boost::asio::transfer_all (),
boost::bind(&SAMSocket::HandleHandshakeReplySent, this,
boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred));
}
else
{
LogPrint ("SAM hannshake mismatch");
Terminate ();
}
}
}
void SAMSocket::HandleHandshakeReplySent (const boost::system::error_code& ecode, std::size_t bytes_transferred)
{
if (ecode)
{
LogPrint ("SAM handshake reply send error: ", ecode.message ());
if (ecode != boost::asio::error::operation_aborted)
Terminate ();
}
else
Receive ();
}
void SAMSocket::Receive ()
{
m_Socket.async_read_some (boost::asio::buffer(m_Buffer, SAM_SOCKET_BUFFER_SIZE),
boost::bind(&SAMSocket::HandleReceived, this,
boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred));
}
void SAMSocket::HandleReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred)
{
if (ecode)
{
LogPrint ("SAM read error: ", ecode.message ());
if (ecode != boost::asio::error::operation_aborted)
Terminate ();
}
else
{
if (m_Stream)
m_Stream->Send ((uint8_t *)m_Buffer, bytes_transferred, 0);
Receive ();
}
}
void SAMSocket::StreamReceive ()
{
if (m_Stream)
m_Stream->AsyncReceive (boost::asio::buffer (m_StreamBuffer, SAM_SOCKET_BUFFER_SIZE),
boost::bind (&SAMSocket::HandleStreamReceive, this,
boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred),
SAM_SOCKET_CONNECTION_MAX_IDLE);
}
void SAMSocket::HandleStreamReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred)
{
if (ecode)
{
LogPrint ("SAM stream read error: ", ecode.message ());
Terminate ();
}
else
{
boost::asio::async_write (m_Socket, boost::asio::buffer (m_StreamBuffer, bytes_transferred),
boost::bind (&SAMSocket::HandleWriteStreamData, this, boost::asio::placeholders::error));
}
}
void SAMSocket::HandleWriteStreamData (const boost::system::error_code& ecode)
{
if (ecode)
{
LogPrint ("SAM socket write error: ", ecode.message ());
if (ecode != boost::asio::error::operation_aborted)
Terminate ();
}
else
StreamReceive ();
}
SAMBridge::SAMBridge (int port):
m_IsRunning (false), m_Thread (nullptr),
m_Acceptor (m_Service, boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), port)),
@ -54,8 +180,8 @@ namespace stream
void SAMBridge::Accept ()
{
m_NewSocket = new boost::asio::ip::tcp::socket (m_Service);
m_Acceptor.async_accept (*m_NewSocket, boost::bind (&SAMBridge::HandleAccept, this,
m_NewSocket = new SAMSocket (*this);
m_Acceptor.async_accept (m_NewSocket->GetSocket (), boost::bind (&SAMBridge::HandleAccept, this,
boost::asio::placeholders::error));
}
@ -63,7 +189,8 @@ namespace stream
{
if (!ecode)
{
//TODO:
LogPrint ("New SAM connection from ", m_NewSocket->GetSocket ().remote_endpoint ());
m_NewSocket->ReceiveHandshake ();
}
else
{

44
SAM.h
View File

@ -1,13 +1,53 @@
#ifndef SAM_H__
#define SAM_H__
#include <inttypes.h>
#include <string>
#include <thread>
#include <boost/asio.hpp>
#include "Streaming.h"
namespace i2p
{
namespace stream
{
const size_t SAM_SOCKET_BUFFER_SIZE = 4096;
const int SAM_SOCKET_CONNECTION_MAX_IDLE = 3600; // in seconds
const char SAM_HANDSHAKE[] = "HELLO VERSION";
const char SAM_HANDSHAKE_REPLY[] = "HELLO REPLY RESULT=OK VERSION=3.1";
class SAMBridge;
class SAMSocket
{
public:
SAMSocket (SAMBridge& owner);
~SAMSocket ();
boost::asio::ip::tcp::socket& GetSocket () { return m_Socket; };
void ReceiveHandshake ();
private:
void Terminate ();
void HandleHandshakeReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void HandleHandshakeReplySent (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void Receive ();
void HandleReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void StreamReceive ();
void HandleStreamReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void HandleWriteStreamData (const boost::system::error_code& ecode);
private:
SAMBridge& m_Owner;
boost::asio::ip::tcp::socket m_Socket;
char m_Buffer[SAM_SOCKET_BUFFER_SIZE + 1];
uint8_t m_StreamBuffer[SAM_SOCKET_BUFFER_SIZE];
Stream * m_Stream;
};
class SAMBridge
{
public:
@ -18,6 +58,8 @@ namespace stream
void Start ();
void Stop ();
boost::asio::io_service& GetService () { return m_Service; };
private:
void Run ();
@ -31,7 +73,7 @@ namespace stream
std::thread * m_Thread;
boost::asio::io_service m_Service;
boost::asio::ip::tcp::acceptor m_Acceptor;
boost::asio::ip::tcp::socket * m_NewSocket;
SAMSocket * m_NewSocket;
};
}
}