//
//  Aria - yet another download tool
//  Copyright (C) 2000, 2001 Tatsuhiro Tsujikawa
//
//  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.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
//  $Id: CtrlSocket.h,v 1.8 2001/11/04 10:18:07 tujikawa Exp $

#ifndef _CTRLSOCKET_H_
#define _CTRLSOCKET_H_
#include <string>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <gtk/gtk.h>
#include <errno.h>
#include <sys/un.h>
#include <stdio.h>

using namespace std;

class CmdPacketHeader {
public:
  enum CommandType {
    CMD_PING,
    CMD_URL,
    CMD_URL2PW,
    CMD_URLLIST,
    CMD_CRCLIST,
    CMD_START,
    CMD_STOP,
    CMD_AGAIN,
    CMD_LISTNAME,
    CMD_PREVLIST,
    CMD_NEXTLIST,
    CMD_DELLIST,
    CMD_DELCOMPLETE,
    CMD_QUIT,
    CMD_LSCOMP,
    CMD_LSREADY,
    CMD_LSSTOP,
    CMD_LSGO,
    CMD_LSFAILED,
    CMD_LSLOCK,
    CMD_LSALL,
    CMD_DATA
  };
private:
  CommandType command;
  int length;
  int option;
public:
  CmdPacketHeader(CommandType cmd, int length = 0);
  CmdPacketHeader();
  int get_length() const;
  CommandType get_command() const;
};

class CtrlSocket {
private:
  bool remote_running;
  int ctrl_fd;
  string socket_name;
public:
  CtrlSocket();
  ~CtrlSocket();

  enum ListingType {
    CTSOCK_LSCOMP = 1,
    CTSOCK_LSREADY = 1 << 1,
    CTSOCK_LSSTOP = 1 << 2,
    CTSOCK_LSGO = 1 << 3,
    CTSOCK_LSFAILED = 1 << 4,
    CTSOCK_LSLOCK = 1 << 5,
    CTSOCK_LSALL = CTSOCK_LSCOMP|CTSOCK_LSREADY|CTSOCK_LSSTOP|CTSOCK_LSGO|CTSOCK_LSFAILED|CTSOCK_LSLOCK
  };

  bool Is_remote_running();
  int Send_command(int fd, CmdPacketHeader::CommandType command, void *data = NULL, int length = 0);
  int Send_command(CmdPacketHeader::CommandType cmd, void *data = NULL, int length = 0);
  bool Send_ack(int fd);
  int Recv_command(int fd, void **data_ptr);

  bool Recv_ack();
  bool Is_remote_running_internal();
  int connect_to();
  int Select2();
  void Read_message();
  int ret_ctrl_fd() const;
};
#endif // _CTRLSOCKET_H_