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/*
* Copyright (c) 2003-2007 by FlashCode <flashcode@flashtux.org>
* See README for License detail, AUTHORS for developers list.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __WEECHAT_IRC_DCC_H
#define __WEECHAT_IRC_DCC_H 1
#include "irc-server.h"
#include "irc-channel.h"
/* DCC types */
#define IRC_DCC_CHAT_RECV 0 /* receiving DCC chat */
#define IRC_DCC_CHAT_SEND 1 /* sending DCC chat */
#define IRC_DCC_FILE_RECV 2 /* incoming DCC file */
#define IRC_DCC_FILE_SEND 3 /* sending DCC file */
/* DCC status */
#define IRC_DCC_WAITING 0 /* waiting for host answer */
#define IRC_DCC_CONNECTING 1 /* connecting to host */
#define IRC_DCC_ACTIVE 2 /* sending/receiving data */
#define IRC_DCC_DONE 3 /* transfer done */
#define IRC_DCC_FAILED 4 /* DCC failed */
#define IRC_DCC_ABORTED 5 /* DCC aborted by user */
/* DCC blocksize (for file) */
#define IRC_DCC_MIN_BLOCKSIZE 1024 /* min DCC block size when sending file*/
#define IRC_DCC_MAX_BLOCKSIZE 102400 /* max DCC block size when sending file*/
/* DCC errors (for file) */
#define IRC_DCC_NO_ERROR 0 /* no error to report, all ok! */
#define IRC_DCC_ERROR_READ_LOCAL 1 /* unable to read local file */
#define IRC_DCC_ERROR_SEND_BLOCK 2 /* unable to send block to receiver */
#define IRC_DCC_ERROR_READ_ACK 3 /* unable to read ACK from receiver */
#define IRC_DCC_ERROR_CONNECT_SENDER 4 /* unable to connect to sender */
#define IRC_DCC_ERROR_RECV_BLOCK 5 /* unable to recv block from sender */
#define IRC_DCC_ERROR_WRITE_LOCAL 6 /* unable to write to local file */
/* DCC macros for type */
#define IRC_DCC_IS_CHAT(type) ((type == IRC_DCC_CHAT_RECV) || \
(type == IRC_DCC_CHAT_SEND))
#define IRC_DCC_IS_FILE(type) ((type == IRC_DCC_FILE_RECV) || \
(type == IRC_DCC_FILE_SEND))
#define IRC_DCC_IS_RECV(type) ((type == IRC_DCC_CHAT_RECV) || \
(type == IRC_DCC_FILE_RECV))
#define IRC_DCC_IS_SEND(type) ((type == IRC_DCC_CHAT_SEND) || \
(type == IRC_DCC_FILE_SEND))
/* DCC macro for status */
#define IRC_DCC_ENDED(status) ((status == IRC_DCC_DONE) || \
(status == IRC_DCC_FAILED) || \
(status == IRC_DCC_ABORTED))
struct t_irc_dcc
{
struct t_irc_server *server; /* irc server */
struct t_irc_channel *channel; /* irc channel (for DCC chat only) */
int type; /* DCC type (file/chat, send/receive) */
int status; /* DCC status (waiting, sending, ..) */
time_t start_time; /* the time when DCC started */
time_t start_transfer; /* the time when DCC transfer started */
unsigned long addr; /* IP address */
int port; /* port */
char *nick; /* remote nick */
int sock; /* socket for connection */
pid_t child_pid; /* pid of child process (sending/recving)*/
int child_read; /* to read into child pipe */
int child_write; /* to write into child pipe */
char *unterminated_message; /* beginning of a message in input buf */
int fast_send; /* fase send for files: does not wait ACK*/
int file; /* local file (for reading or writing) */
char *filename; /* filename (given by sender) */
char *local_filename; /* local filename (with path) */
int filename_suffix; /* suffix (.1 for ex) if renaming file */
int blocksize; /* block size for sending file */
unsigned long size; /* file size */
unsigned long pos; /* number of bytes received/sent */
unsigned long ack; /* number of bytes received OK */
unsigned long start_resume; /* start of resume (in bytes) */
time_t last_check_time; /* last time we looked at bytes sent/recv*/
unsigned long last_check_pos; /* bytes sent/recv at last check */
time_t last_activity; /* time of last byte received/sent */
unsigned long bytes_per_sec; /* bytes per second */
unsigned long eta; /* estimated time of arrival */
struct t_irc_dcc *prev_dcc; /* link to previous dcc file/chat */
struct t_irc_dcc *next_dcc; /* link to next dcc file/chat */
};
extern struct t_irc_dcc *irc_dcc_list;
extern struct t_irc_dcc *irc_last_dcc;
extern char *irc_dcc_status_string[6];
extern void irc_dcc_redraw (int highlight);
extern void irc_dcc_free (struct t_irc_dcc *dcc);
extern void irc_dcc_close (struct t_irc_dcc *dcc, int status);
extern void irc_dcc_chat_remove_channel (struct t_irc_channel *channel);
extern void irc_dcc_accept (struct t_irc_dcc *dcc);
extern void irc_dcc_accept_resume (struct t_irc_server *server, char *filename,
int port, unsigned long pos_start);
extern void irc_dcc_start_resume (struct t_irc_server *server, char *filename,
int port, unsigned long pos_start);
extern struct t_irc_dcc *irc_dcc_alloc ();
extern struct t_irc_dcc *irc_dcc_add (struct t_irc_server *server,
int type, unsigned long addr,
int port, char *nick, int sock,
char *filename, char *local_filename,
unsigned long size);
extern void irc_dcc_send_request (struct t_irc_server *server, int type,
char *nick, char *filename);
extern void irc_dcc_chat_sendf (struct t_irc_dcc *dcc, char *format, ...);
extern void irc_dcc_file_send_fork (struct t_irc_dcc *dcc);
extern void irc_dcc_file_recv_fork (struct t_irc_dcc *dcc);
extern void irc_dcc_handle ();
extern void irc_dcc_end ();
extern void irc_dcc_print_log ();
#endif /* irc-dcc.h */
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