Sylpheed

/*

 * LibSylph -- E-Mail client library

 * Copyright (C) 1999-2012 Hiroyuki Yamamoto

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#ifndef __SOCKET_H__

#define __SOCKET_H__

#ifdef HAVE_CONFIG_H

#  include "config.h"

#endif

#include <glib.h>

#if HAVE_NETDB_H

#  include <netdb.h>

#endif

typedef struct _SockInfo        SockInfo;

#if USE_SSL

#  include "ssl.h"

#endif

typedef enum

{

        CONN_READY,

        CONN_LOOKUPSUCCESS,

        CONN_ESTABLISHED,

        CONN_LOOKUPFAILED,

        CONN_FAILED

} ConnectionState;

typedef enum

{

        SYL_SOCK_NONBLOCK        = 1 << 0,

        SYL_SOCK_CHECK_IO        = 1 << 1

} SockFlags;

#define SOCK_SET_FLAGS(flags, set)        { (flags) |= (set); }

#define SOCK_UNSET_FLAGS(flags, set)        { (flags) &= ~(set); }

#define SOCK_IS_NONBLOCK(flags)                ((flags & SYL_SOCK_NONBLOCK) != 0)

#define SOCK_IS_CHECK_IO(flags)                ((flags & SYL_SOCK_CHECK_IO) != 0)

typedef gint (*SockConnectFunc)                (SockInfo        *sock,

                                         gpointer         data);

typedef gboolean (*SockFunc)                (SockInfo        *sock,

                                         GIOCondition         condition,

                                         gpointer         data);

struct _SockInfo

{

        gint sock;

#if USE_SSL

        SSL *ssl;

#else

        gpointer ssl;

#endif

        GIOChannel *sock_ch;

        gchar *hostname;

        gushort port;

        ConnectionState state;

        SockFlags flags;

        gpointer data;

        SockFunc callback;

        GIOCondition condition;

};

gint sock_init                                (void);

gint sock_cleanup                        (void);

gint sock_set_io_timeout                (guint sec);

SockInfo *sock_new                        (const gchar *hostname, gushort port);

gint sock_set_nonblocking_mode                (SockInfo *sock, gboolean nonblock);

gboolean sock_is_nonblocking_mode        (SockInfo *sock);

gboolean sock_has_read_data                (SockInfo *sock);

guint sock_add_watch                        (SockInfo *sock, GIOCondition condition,

                                         SockFunc func, gpointer data);

guint sock_add_watch_poll                (SockInfo *sock, GIOCondition condition,

                                         SockFunc func, gpointer data);

struct hostent *my_gethostbyname        (const gchar *hostname);

SockInfo *sock_connect                        (const gchar *hostname, gushort port);

#ifdef G_OS_UNIX

gint sock_connect_async                        (const gchar *hostname, gushort port,

                                         SockConnectFunc func, gpointer data);

gint sock_connect_async_cancel                (gint id);

#endif

#if USE_THREADS

gint sock_connect_async_thread                (const gchar *hostname, gushort port);

gint sock_connect_async_thread_wait        (gint id, SockInfo **sock);

#endif

gint sock_info_connect                        (SockInfo *sock);

#ifdef G_OS_UNIX

gint sock_info_connect_async                (SockInfo *sock,

                                         SockConnectFunc func, gpointer data);

#endif

#if USE_THREADS

gint sock_info_connect_async_thread        (SockInfo *sock);

gint sock_info_connect_async_thread_wait(gint id, SockInfo **sock);

#endif

/* Basic I/O functions */

gint sock_printf        (SockInfo *sock, const gchar *format, ...)

                         G_GNUC_PRINTF(2, 3);

gint sock_read                (SockInfo *sock, gchar *buf, gint len);

gint sock_write                (SockInfo *sock, const gchar *buf, gint len);

gint sock_write_all        (SockInfo *sock, const gchar *buf, gint len);

gint sock_gets                (SockInfo *sock, gchar *buf, gint len);

gint sock_getline        (SockInfo *sock, gchar **line);

gint sock_puts                (SockInfo *sock, const gchar *buf);

gint sock_peek                (SockInfo *sock, gchar *buf, gint len);

gint sock_close                (SockInfo *sock);

/* Functions to directly work on FD.  They are needed for pipes */

gint fd_connect_inet        (gushort port);

gint fd_open_inet        (gushort port);

gint fd_connect_unix        (const gchar *path);

gint fd_open_unix        (const gchar *path);

gint fd_accept                (gint sock);

gint fd_read                (gint sock, gchar *buf, gint len);

gint fd_write                (gint sock, const gchar *buf, gint len);

gint fd_write_all        (gint sock, const gchar *buf, gint len);

gint fd_gets                (gint sock, gchar *buf, gint len);

gint fd_getline                (gint sock, gchar **line);

gint fd_close                (gint sock);

/* Functions for SSL */

#if USE_SSL

gint ssl_read                (SSL *ssl, gchar *buf, gint len);

gint ssl_write                (SSL *ssl, const gchar *buf, gint len);

gint ssl_write_all        (SSL *ssl, const gchar *buf, gint len);

gint ssl_gets                (SSL *ssl, gchar *buf, gint len);

gint ssl_getline        (SSL *ssl, gchar **line);

gint ssl_peek                (SSL *ssl, gchar *buf, gint len);

#endif

#endif /* __SOCKET_H__ */