154 lines
5.0 KiB
C
154 lines
5.0 KiB
C
/* sock.h
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* - General Socket Function Headers
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*
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* Copyright (C) 2014 Michael Smith <msmith@icecast.org>,
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* Brendan Cully <brendan@xiph.org>,
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* Karl Heyes <karl@xiph.org>,
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* Jack Moffitt <jack@icecast.org>,
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* Ed "oddsock" Zaleski <oddsock@xiph.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef __SOCK_H
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#define __SOCK_H
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#include <stdarg.h>
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#include <stdbool.h>
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#ifdef HAVE_WINSOCK2_H
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#include <winsock2.h>
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#endif
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#ifdef HAVE_WS2TCPIP_H
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#include <ws2tcpip.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#elif _WIN32
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#include <compat.h>
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#endif
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#if !defined(HAVE_INET_ATON) && defined(HAVE_INET_PTON)
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#define inet_aton(a,b) inet_pton(AF_INET, (a), (b))
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#endif
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#ifdef INET6_ADDRSTRLEN
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#define MAX_ADDR_LEN INET6_ADDRSTRLEN
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#else
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#define MAX_ADDR_LEN 46
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#endif
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#ifndef sock_t
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#define sock_t int
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#endif
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/* The following values are based on unix avoiding errno value clashes */
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#define SOCK_SUCCESS 0
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#define SOCK_ERROR (sock_t)-1
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#define SOCK_TIMEOUT -2
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typedef enum {
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SOCK_FAMILY__ERROR = -1,
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SOCK_FAMILY_UNSPEC = 0,
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SOCK_FAMILY_UNIX,
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SOCK_FAMILY_INET4,
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SOCK_FAMILY_INET6,
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SOCK_FAMILY_DECnet
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} sock_family_t;
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/* sock connect macro */
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#define sock_connect(h, p) sock_connect_wto(h, p, 0)
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#ifdef _mangle
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# define sock_initialize _mangle(sock_initialize)
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# define sock_shutdown _mangle(sock_shutdown)
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# define sock_error _mangle(sock_error)
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# define sock_set_error _mangle(sock_set_error)
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# define sock_recoverable _mangle(sock_recoverable)
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# define sock_valid_socket _mangle(sock_valid_socket)
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# define sock_set_blocking _mangle(sock_set_blocking)
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# define sock_set_nolinger _mangle(sock_set_nolinger)
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# define sock_set_nodelay _mangle(sock_set_nodelay)
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# define sock_set_keepalive _mangle(sock_set_keepalive)
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# define sock_close _mangle(sock_close)
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# define sock_connect_wto _mangle(sock_connect_wto)
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# define sock_connect_wto_bind _mangle(sock_connect_wto_bind)
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# define sock_connect_non_blocking _mangle(sock_connect_non_blocking)
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# define sock_connected _mangle(sock_connected)
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# define sock_write_bytes _mangle(sock_write_bytes)
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# define sock_write _mangle(sock_write)
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# define sock_write_fmt _mangle(sock_write_fmt)
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# define sock_read_bytes _mangle(sock_read_bytes)
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# define sock_read_line _mangle(sock_read_line)
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# define sock_get_server_socket _mangle(sock_get_server_socket)
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# define sock_listen _mangle(sock_listen)
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# define sock_set_send_buffer _mangle(sock_set_send_buffer)
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# define sock_accept _mangle(sock_accept)
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# define sock_is_ipv4_mapped_supported _mangle(sock_is_ipv4_mapped_supported)
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# define sock_get_family _mangle(sock_get_family)
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# define sock_family_to_string _mangle(sock_family_to_string)
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#endif
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/* Misc socket functions */
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void sock_initialize(void);
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void sock_shutdown(void);
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int sock_error(void);
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int sock_recoverable(int error);
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int sock_valid_socket(sock_t sock);
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int sock_active (sock_t sock);
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int sock_set_blocking(sock_t sock, int block);
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int sock_set_nolinger(sock_t sock);
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int sock_set_keepalive(sock_t sock);
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int sock_set_nodelay(sock_t sock);
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void sock_set_send_buffer (sock_t sock, int win_size);
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void sock_set_error(int val);
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int sock_close(sock_t sock);
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/* Connection related socket functions */
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sock_t sock_connect_wto(const char *hostname, int port, int timeout);
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sock_t sock_connect_wto_bind(const char *hostname, int port, const char *bnd, int timeout);
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sock_t sock_connect_non_blocking(const char *host, unsigned port);
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int sock_connected(sock_t sock, int timeout);
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/* Socket write functions */
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int sock_write_bytes(sock_t sock, const void *buff, size_t len);
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int sock_write(sock_t sock, const char *fmt, ...);
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int sock_write_fmt(sock_t sock, const char *fmt, va_list ap);
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/* Socket read functions */
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int sock_read_bytes(sock_t sock, char *buff, size_t len);
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int sock_read_line(sock_t sock, char *string, const int len);
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/* server socket functions */
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sock_t sock_get_server_socket(int port, const char *sinterface, bool prefer_inet6);
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int sock_listen(sock_t serversock, int backlog);
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sock_t sock_accept(sock_t serversock, char *ip, size_t len);
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bool sock_is_ipv4_mapped_supported(void);
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/* Socket information */
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sock_family_t sock_get_family(sock_t sock);
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const char * sock_family_to_string(sock_family_t family);
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#ifdef _WIN32
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int inet_aton(const char *s, struct in_addr *a);
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#endif
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#endif /* __SOCK_H */
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