source/texk/web2c/luatexdir/luasocket/src/socket.h

   1 #ifndef SOCKET_H
   2 #define SOCKET_H
   3 /*=========================================================================*\
   4 * Socket compatibilization module
   5 * LuaSocket toolkit
   6 *
   7 * BSD Sockets and WinSock are similar, but there are a few irritating
   8 * differences. Also, not all *nix platforms behave the same. This module
   9 * (and the associated usocket.h and wsocket.h) factor these differences and
  10 * creates a interface compatible with the io.h module.
  11 \*=========================================================================*/
  12 #include "io.h"
  13
  14 /*=========================================================================*\
  15 * Platform specific compatibilization
  16 \*=========================================================================*/
  17 #ifdef _WIN32
  18 #include "wsocket.h"
  19 #else
  20 #include "usocket.h"
  21 #endif
  22
  23 /*=========================================================================*\
  24 * The connect and accept functions accept a timeout and their
  25 * implementations are somewhat complicated. We chose to move
  26 * the timeout control into this module for these functions in
  27 * order to simplify the modules that use them.
  28 \*=========================================================================*/
  29 #include "timeout.h"
  30
  31 /* we are lazy... */
  32 typedef struct sockaddr SA;
  33
  34 /*=========================================================================*\
  35 * Functions bellow implement a comfortable platform independent
  36 * interface to sockets
  37 \*=========================================================================*/
  38 int socket_open(void);
  39 int socket_close(void);
  40 void socket_destroy(p_socket ps);
  41 void socket_shutdown(p_socket ps, int how);
  42 int socket_sendto(p_socket ps, const char *data, size_t count,
  43         size_t *sent, SA *addr, socklen_t addr_len, p_timeout tm);
  44 int socket_recvfrom(p_socket ps, char *data, size_t count,
  45         size_t *got, SA *addr, socklen_t *addr_len, p_timeout tm);
  46
  47 void socket_setnonblocking(p_socket ps);
  48 void socket_setblocking(p_socket ps);
  49
  50 int socket_waitfd(p_socket ps, int sw, p_timeout tm);
  51 int socket_select(t_socket n, fd_set *rfds, fd_set *wfds, fd_set *efds,
  52         p_timeout tm);
  53
  54 int socket_connect(p_socket ps, SA *addr, socklen_t addr_len, p_timeout tm);
  55 int socket_create(p_socket ps, int domain, int type, int protocol);
  56 int socket_bind(p_socket ps, SA *addr, socklen_t addr_len);
  57 int socket_listen(p_socket ps, int backlog);
  58 int socket_accept(p_socket ps, p_socket pa, SA *addr,
  59         socklen_t *addr_len, p_timeout tm);
  60
  61 const char *socket_hoststrerror(int err);
  62 const char *socket_gaistrerror(int err);
  63 const char *socket_strerror(int err);
  64
  65 /* these are perfect to use with the io abstraction module
  66    and the buffered input module */
  67 int socket_send(p_socket ps, const char *data, size_t count,
  68         size_t *sent, p_timeout tm);
  69 int socket_recv(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm);
  70 int socket_write(p_socket ps, const char *data, size_t count,
  71         size_t *sent, p_timeout tm);
  72 int socket_read(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm);
  73 const char *socket_ioerror(p_socket ps, int err);
  74
  75 int socket_gethostbyaddr(const char *addr, socklen_t len, struct hostent **hp);
  76 int socket_gethostbyname(const char *addr, struct hostent **hp);
  77
  78 #endif /* SOCKET_H */