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// -*- c++ -*-
//------------------------------------------------------------------------------
// Conn.h
//------------------------------------------------------------------------------
// $Id: Conn.h,v 1.2 2006/07/20 02:30:55 vlg Exp $
//------------------------------------------------------------------------------
// Copyright (c) 2002 by Vladislav Grinchenko
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version
// 2 of the License, or (at your option) any later version.
//------------------------------------------------------------------------------
// Created: Thu Apr 17 23:22:39 EDT 2003
//------------------------------------------------------------------------------
#ifndef CONN_H
#define CONN_H
#include <assa/ServiceHandler.h>
#include <assa/IPv4Socket.h>
#include <assa/FileLogger.h>
#include <assa/Repository.h>
using ASSA::ServiceHandler;
using ASSA::IPv4Socket;
#include "LogServer-main.h"
class MonitorConn;
/*******************************************************************************
Class Conn
*******************************************************************************/
class Conn : public ServiceHandler<IPv4Socket>
{
public:
Conn (IPv4Socket* stream_);
~Conn ();
virtual int open ();
virtual int handle_read (int fd_);
virtual int handle_close (int /* fd */);
const std::string& get_app_name () const { return m_app_name; }
void subscribe (MonitorConn* mc_) { m_observers.push_back (mc_); }
void unsubscribe (MonitorConn* mc_) { m_observers.erase (mc_); }
private:
std::string wstate () const;
void shift_logfile ();
private:
enum msg_t {
SIGN_ON, /**< Login message */
SIGN_OFF, /**< Logout message */
LOG_MSG /**< Payload data */
};
enum wstate_t {
wait_for_header, /**< Waiting for the message header */
wait_for_signon, /**< Waiting for SIGN_ON message */
wait_for_signoff, /**< Waiting for SIGN_OFF message */
wait_for_logmsg /**< Waiting for LOG_MSG message */
};
enum state_t {
opened,
closed
};
wstate_t m_wstate;
state_t m_state;
/// Incoming message size
int m_msg_size;
/// Incoming message type
int m_msg_type;
/// Maximum logfile size can reach
int m_maxsize;
/// Logging application name
std::string m_app_name;
/// Logfile name
std::string m_logfname;
/// Logfile stream
std::ofstream m_sink;
/// Bytes written to the sink so far.
u_long m_bytecount;
/// Repository of all connected MonitorConn observers
ASSA::Repository<MonitorConn> m_observers;
};
/*******************************************************************************
Inline functions
*******************************************************************************/
inline
Conn::
Conn (IPv4Socket* stream_) :
ServiceHandler<IPv4Socket> (stream_),
m_maxsize (1048576),
m_bytecount (0),
m_wstate (wait_for_header),
m_state (closed)
{
trace_with_mask ("Conn::Conn",LSVRTRACE);
/* no-op */
}
inline
Conn::
~Conn ()
{
trace_with_mask ("Conn::~Conn",LSVRTRACE);
}
inline std::string
Conn::
wstate () const
{
return (m_wstate == wait_for_signon ? "wait_for_signon" :
m_wstate == wait_for_signoff ? "wait_for_signoff" :
"wait_for_logmsg");
}
#endif /* CONN_H */
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