2014-03-10 14:04:58 +08:00
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#ifndef SOCKET_H
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#define SOCKET_H
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/*=========================================================================*\
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* Socket compatibilization module
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* LuaSocket toolkit
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*
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* BSD Sockets and WinSock are similar, but there are a few irritating
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* differences. Also, not all *nix platforms behave the same. This module
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* (and the associated usocket.h and wsocket.h) factor these differences and
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* creates a interface compatible with the io.h module.
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\*=========================================================================*/
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2014-03-20 17:04:54 +08:00
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#include "io.h"
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2014-03-10 14:04:58 +08:00
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/*=========================================================================*\
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* Platform specific compatibilization
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\*=========================================================================*/
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#ifdef _WIN32
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#include "wsocket.h"
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#else
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#include "usocket.h"
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#endif
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/*=========================================================================*\
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* The connect and accept functions accept a timeout and their
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* implementations are somewhat complicated. We chose to move
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* the timeout control into this module for these functions in
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* order to simplify the modules that use them.
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\*=========================================================================*/
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#include "timeout.h"
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/* we are lazy... */
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typedef struct sockaddr SA;
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/*=========================================================================*\
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* Functions bellow implement a comfortable platform independent
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* interface to sockets
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\*=========================================================================*/
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int socket_open(void);
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int socket_close(void);
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void socket_destroy(p_socket ps);
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void socket_shutdown(p_socket ps, int how);
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int socket_sendto(p_socket ps, const char *data, size_t count,
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size_t *sent, SA *addr, socklen_t addr_len, p_timeout tm);
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int socket_recvfrom(p_socket ps, char *data, size_t count,
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size_t *got, SA *addr, socklen_t *addr_len, p_timeout tm);
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void socket_setnonblocking(p_socket ps);
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void socket_setblocking(p_socket ps);
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int socket_waitfd(p_socket ps, int sw, p_timeout tm);
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int socket_select(t_socket n, fd_set *rfds, fd_set *wfds, fd_set *efds,
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p_timeout tm);
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int socket_connect(p_socket ps, SA *addr, socklen_t addr_len, p_timeout tm);
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int socket_create(p_socket ps, int domain, int type, int protocol);
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int socket_bind(p_socket ps, SA *addr, socklen_t addr_len);
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int socket_listen(p_socket ps, int backlog);
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int socket_accept(p_socket ps, p_socket pa, SA *addr,
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socklen_t *addr_len, p_timeout tm);
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const char *socket_hoststrerror(int err);
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const char *socket_gaistrerror(int err);
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const char *socket_strerror(int err);
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/* these are perfect to use with the io abstraction module
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and the buffered input module */
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int socket_send(p_socket ps, const char *data, size_t count,
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size_t *sent, p_timeout tm);
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int socket_recv(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm);
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int socket_write(p_socket ps, const char *data, size_t count,
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size_t *sent, p_timeout tm);
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int socket_read(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm);
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const char *socket_ioerror(p_socket ps, int err);
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int socket_gethostbyaddr(const char *addr, socklen_t len, struct hostent **hp);
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int socket_gethostbyname(const char *addr, struct hostent **hp);
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#endif /* SOCKET_H */
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