/* sock.h

 * - General Socket Function Headers

 *

 * Copyright (c) 1999 the icecast team

 *

 * 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.

 *

 */

#ifndef __SOCK_H

#define __SOCK_H

#include <stdarg.h>

#ifdef HAVE_WINSOCK2_H

#include <winsock2.h>

#endif

#ifdef HAVE_UNISTD_H

#include <unistd.h>

#elif _WIN32

#include <compat.h>

#endif

#ifdef HAVE_SYS_UIO_H

#include <sys/uio.h>

#else

#ifndef _SYS_UIO_H

struct iovec

{

    void   *iov_base;

    size_t iov_len;

};

#endif

#endif

#if !defined(HAVE_INET_ATON) && defined(HAVE_INET_PTON)

#define inet_aton(a,b) inet_pton(AF_INET, (a), (b))

#endif

#ifdef INET6_ADDRSTRLEN

#define MAX_ADDR_LEN INET6_ADDRSTRLEN

#else

#define MAX_ADDR_LEN 46

#endif

typedef int sock_t;

/* The following values are based on unix avoiding errno value clashes */

#define SOCK_SUCCESS 0

#define SOCK_ERROR -1

#define SOCK_TIMEOUT -2

#define SOCK_BLOCK 0

#define SOCK_NONBLOCK 1

/* sock connect macro */

#define sock_connect(h, p) sock_connect_wto(h, p, 0)

#ifdef _mangle

# define sock_initialize _mangle(sock_initialize)

# define sock_shutdown _mangle(sock_shutdown)

# define sock_get_localip _mangle(sock_get_localip)

# define sock_error _mangle(sock_error)

# define sock_recoverable _mangle(sock_recoverable)

# define sock_stalled _mangle(sock_stalled)

# define sock_valid_socket _mangle(sock_valid_socket)

# define sock_set_blocking _mangle(sock_set_blocking)

# define sock_set_nolinger _mangle(sock_set_nolinger)

# define sock_set_nodelay _mangle(sock_set_nodelay)

# define sock_set_keepalive _mangle(sock_set_keepalive)

# define sock_close _mangle(sock_close)

# define sock_connect_wto _mangle(sock_connect_wto)

# define sock_connect_non_blocking _mangle(sock_connect_non_blocking)

# define sock_connected _mangle(sock_connected)

# define sock_write_bytes _mangle(sock_write_bytes)

# define sock_write _mangle(sock_write)

# define sock_write_fmt _mangle(sock_write_fmt)

# define sock_write_string _mangle(sock_write_string)

# define sock_writev _mangle(sock_writev)

# define sock_read_bytes _mangle(sock_read_bytes)

# define sock_read_line _mangle(sock_read_line)

# define sock_get_server_socket _mangle(sock_get_server_socket)

# define sock_listen _mangle(sock_listen)

# define sock_accept _mangle(sock_accept)

#endif

/* Misc socket functions */

void sock_initialize(void);

void sock_shutdown(void);

char *sock_get_localip(char *buff, int len);

int sock_error(void);

int sock_recoverable(int error);

int sock_stalled(int error);

int sock_valid_socket(sock_t sock);

int sock_set_blocking(sock_t sock, const int block);

int sock_set_nolinger(sock_t sock);

int sock_set_keepalive(sock_t sock);

int sock_set_nodelay(sock_t sock);

int sock_close(sock_t  sock);

/* Connection related socket functions */

sock_t sock_connect_wto(const char *hostname, const int port, const int timeout);

int sock_connect_non_blocking(const char *host, const unsigned port);

int sock_connected(int sock, int timeout);

/* Socket write functions */

int sock_write_bytes(sock_t sock, const void *buff, const size_t len);

int sock_write(sock_t sock, const char *fmt, ...);

int sock_write_fmt(sock_t sock, const char *fmt, va_list ap);

int sock_write_string(sock_t sock, const char *buff);

ssize_t sock_writev (int sock, const struct iovec *iov, const size_t count);

/* Socket read functions */

int sock_read_bytes(sock_t sock, char *buff, const int len);

int sock_read_line(sock_t sock, char *string, const int len);

/* server socket functions */

sock_t sock_get_server_socket(const int port, char *sinterface);

int sock_listen(sock_t serversock, int backlog);

int sock_accept(sock_t serversock, char *ip, int len);

#ifdef _WIN32

int inet_aton(const char *s, struct in_addr *a);

#endif

#endif  /* __SOCK_H */