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/*
* Copyright (C) 1998 Brandon Long <blong@fiction.net>
* Copyright (C) 1999-2005 Brendan Cully <brendan@kublai.com>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _MUTT_SOCKET_H_
#define _MUTT_SOCKET_H_ 1
#include "account.h"
#include "lib.h"
/* logging levels */
#define MUTT_SOCK_LOG_CMD 2
#define MUTT_SOCK_LOG_HDR 3
#define MUTT_SOCK_LOG_FULL 4
typedef struct _connection
{
ACCOUNT account;
/* security strength factor, in bits (in theory).
*
* In actuality, Mutt uses this as a boolean to determine if the connection
* is "secure" using TLS or $tunnel if $tunnel_is_secure is set.
*
* The value is passed to SASL, but since no min_ssf is also passed to SASL
* I don't believe it makes any difference.
*
* The GnuTLS code currently even puts bytes in here, so I doubt the exact
* value has significance for Mutt purposes.
*/
unsigned int ssf;
void *data;
char inbuf[LONG_STRING];
int bufpos;
int fd;
int available;
struct _connection *next;
void *sockdata;
int (*conn_read) (struct _connection* conn, char* buf, size_t len);
int (*conn_write) (struct _connection *conn, const char *buf, size_t count);
int (*conn_open) (struct _connection *conn);
int (*conn_close) (struct _connection *conn);
int (*conn_poll) (struct _connection *conn, time_t wait_secs);
} CONNECTION;
int mutt_socket_open (CONNECTION* conn);
int mutt_socket_close (CONNECTION* conn);
int mutt_socket_has_buffered_input (CONNECTION *conn);
void mutt_socket_clear_buffered_input (CONNECTION *conn);
int mutt_socket_poll (CONNECTION* conn, time_t wait_secs);
int mutt_socket_readchar (CONNECTION *conn, char *c);
#define mutt_socket_buffer_readln(A,B) mutt_socket_buffer_readln_d(A,B,MUTT_SOCK_LOG_CMD)
int mutt_socket_buffer_readln_d (BUFFER *buf, CONNECTION *conn, int dbg);
#define mutt_socket_readln(A,B,C) mutt_socket_readln_d(A,B,C,MUTT_SOCK_LOG_CMD)
int mutt_socket_readln_d (char *buf, size_t buflen, CONNECTION *conn, int dbg);
#define mutt_socket_write(A,B) mutt_socket_write_d(A,B,-1,MUTT_SOCK_LOG_CMD)
#define mutt_socket_write_n(A,B,C) mutt_socket_write_d(A,B,C,MUTT_SOCK_LOG_CMD)
int mutt_socket_write_d (CONNECTION *conn, const char *buf, int len, int dbg);
/* stupid hack for imap_logout_all */
CONNECTION* mutt_socket_head (void);
void mutt_socket_free (CONNECTION* conn);
CONNECTION* mutt_conn_find (const CONNECTION* start, const ACCOUNT* account);
int raw_socket_read (CONNECTION* conn, char* buf, size_t len);
int raw_socket_write (CONNECTION* conn, const char* buf, size_t count);
int raw_socket_open (CONNECTION *conn);
int raw_socket_close (CONNECTION *conn);
int raw_socket_poll (CONNECTION* conn, time_t wait_secs);
#endif /* _MUTT_SOCKET_H_ */
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