mirror of
https://github.com/lunarmodules/luasocket.git
synced 2024-12-26 04:28:20 +01:00
Compiles and runs on linux and windows, using DLLs!
This commit is contained in:
Diego Nehab
parent
58bdb658aa
commit
f330540576
19
src/inet.c
19
src/inet.c
@ -19,10 +19,6 @@ static int inet_global_tohostname(lua_State *L);
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static void inet_pushresolved(lua_State *L, struct hostent *hp);
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#ifdef INET_ATON
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static int inet_aton(const char *cp, struct in_addr *inp);
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#endif
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static luaL_reg func[] = {
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{ "toip", inet_global_toip },
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{ "tohostname", inet_global_tohostname },
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@ -196,9 +192,11 @@ static void inet_pushresolved(lua_State *L, struct hostent *hp)
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* Returns
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* NULL in case of success, error message otherwise
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\*-------------------------------------------------------------------------*/
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const char *inet_tryconnect(p_sock ps, const char *address, ushort port)
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const char *inet_tryconnect(p_sock ps, const char *address,
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unsigned short port)
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{
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struct sockaddr_in remote;
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const char *err;
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memset(&remote, 0, sizeof(remote));
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remote.sin_family = AF_INET;
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remote.sin_port = htons(port);
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@ -213,7 +211,7 @@ const char *inet_tryconnect(p_sock ps, const char *address, ushort port)
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}
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} else remote.sin_family = AF_UNSPEC;
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sock_setblocking(ps);
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const char *err = sock_connect(ps, (SA *) &remote, sizeof(remote));
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err = sock_connect(ps, (SA *) &remote, sizeof(remote));
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if (err) {
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sock_destroy(ps);
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*ps = SOCK_INVALID;
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@ -233,10 +231,11 @@ const char *inet_tryconnect(p_sock ps, const char *address, ushort port)
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* Returns
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* NULL in case of success, error message otherwise
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\*-------------------------------------------------------------------------*/
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const char *inet_trybind(p_sock ps, const char *address, ushort port,
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const char *inet_trybind(p_sock ps, const char *address, unsigned short port,
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int backlog)
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{
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struct sockaddr_in local;
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const char *err;
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memset(&local, 0, sizeof(local));
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/* address is either wildcard or a valid ip address */
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local.sin_addr.s_addr = htonl(INADDR_ANY);
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@ -251,7 +250,7 @@ const char *inet_trybind(p_sock ps, const char *address, ushort port,
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memcpy(&local.sin_addr, *addr, sizeof(struct in_addr));
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}
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sock_setblocking(ps);
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const char *err = sock_bind(ps, (SA *) &local, sizeof(local));
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err = sock_bind(ps, (SA *) &local, sizeof(local));
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if (err) {
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sock_destroy(ps);
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*ps = SOCK_INVALID;
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@ -279,8 +278,8 @@ const char *inet_trycreate(p_sock ps, int type)
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* Some systems do not provide this so that we provide our own. It's not
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* marvelously fast, but it works just fine.
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\*-------------------------------------------------------------------------*/
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#ifdef COMPAT_INETATON
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static int inet_aton(const char *cp, struct in_addr *inp)
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#ifdef INET_ATON
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int inet_aton(const char *cp, struct in_addr *inp)
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{
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unsigned int a = 0, b = 0, c = 0, d = 0;
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int n = 0, r;
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@ -23,4 +23,8 @@ const char *inet_trycreate(p_sock ps, int type);
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int inet_meth_getpeername(lua_State *L, p_sock ps);
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int inet_meth_getsockname(lua_State *L, p_sock ps);
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#ifdef INET_ATON
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int inet_aton(const char *cp, struct in_addr *inp);
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#endif
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#endif /* INET_H_ */
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@ -154,7 +154,7 @@ static int meth_connect(lua_State *L)
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{
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p_tcp tcp = (p_tcp) aux_checkclass(L, "tcp{master}", 1);
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const char *address = luaL_checkstring(L, 2);
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unsigned short port = (ushort) luaL_checknumber(L, 3);
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unsigned short port = (unsigned short) luaL_checknumber(L, 3);
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const char *err = inet_tryconnect(&tcp->sock, address, port);
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if (err) {
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lua_pushnil(L);
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@ -174,7 +174,7 @@ static int meth_bind(lua_State *L)
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{
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p_tcp tcp = (p_tcp) aux_checkclass(L, "tcp{master}", 1);
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const char *address = luaL_checkstring(L, 2);
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unsigned short port = (ushort) luaL_checknumber(L, 3);
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unsigned short port = (unsigned short) luaL_checknumber(L, 3);
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int backlog = (int) luaL_optnumber(L, 4, 1);
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const char *err = inet_trybind(&tcp->sock, address, port, backlog);
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if (err) {
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@ -227,12 +227,13 @@ static int meth_accept(lua_State *L)
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\*-------------------------------------------------------------------------*/
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int global_create(lua_State *L)
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{
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const char *err;
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/* allocate tcp object */
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p_tcp tcp = (p_tcp) lua_newuserdata(L, sizeof(t_tcp));
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/* set its type as master object */
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aux_setclass(L, "tcp{master}", -1);
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/* try to allocate a system socket */
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const char *err = inet_trycreate(&tcp->sock, SOCK_STREAM);
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err = inet_trycreate(&tcp->sock, SOCK_STREAM);
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if (err) { /* get rid of object on stack and push error */
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lua_pop(L, 1);
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lua_pushnil(L);
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10
src/udp.c
10
src/udp.c
@ -104,7 +104,7 @@ static int meth_sendto(lua_State *L)
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size_t count, sent = 0;
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const char *data = luaL_checklstring(L, 2, &count);
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const char *ip = luaL_checkstring(L, 3);
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ushort port = (ushort) luaL_checknumber(L, 4);
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unsigned short port = (unsigned short) luaL_checknumber(L, 4);
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p_tm tm = &udp->tm;
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struct sockaddr_in addr;
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int err;
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@ -220,7 +220,8 @@ static int meth_setpeername(lua_State *L)
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const char *address = luaL_checkstring(L, 2);
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int connecting = strcmp(address, "*");
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unsigned short port = connecting ?
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(ushort) luaL_checknumber(L, 3) : (ushort) luaL_optnumber(L, 3, 0);
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(unsigned short) luaL_checknumber(L, 3) :
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(unsigned short) luaL_optnumber(L, 3, 0);
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const char *err = inet_tryconnect(&udp->sock, address, port);
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if (err) {
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lua_pushnil(L);
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@ -251,7 +252,7 @@ static int meth_setsockname(lua_State *L)
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{
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p_udp udp = (p_udp) aux_checkclass(L, "udp{master}", 1);
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const char *address = luaL_checkstring(L, 2);
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unsigned short port = (ushort) luaL_checknumber(L, 3);
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unsigned short port = (unsigned short) luaL_checknumber(L, 3);
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const char *err = inet_trybind(&udp->sock, address, port, -1);
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if (err) {
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lua_pushnil(L);
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@ -270,12 +271,13 @@ static int meth_setsockname(lua_State *L)
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\*-------------------------------------------------------------------------*/
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int global_create(lua_State *L)
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{
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const char *err;
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/* allocate udp object */
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p_udp udp = (p_udp) lua_newuserdata(L, sizeof(t_udp));
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/* set its type as master object */
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aux_setclass(L, "udp{unconnected}", -1);
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/* try to allocate a system socket */
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const char *err = inet_trycreate(&udp->sock, SOCK_DGRAM);
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err = inet_trycreate(&udp->sock, SOCK_DGRAM);
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if (err) {
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/* get rid of object on stack and push error */
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lua_pop(L, 1);
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@ -3,8 +3,8 @@
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*
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* RCS ID: $Id$
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\*=========================================================================*/
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#ifndef UNIX_H
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#define UNIX_H
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#ifndef USOCKET_H
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#define USOCKET_H
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/*=========================================================================*\
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* BSD include files
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@ -41,4 +41,4 @@ typedef t_sock *p_sock;
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#define SOCK_INVALID (-1)
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#endif /* UNIX_H */
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#endif /* USOCKET_H */
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261
src/wsocket.c
Normal file
261
src/wsocket.c
Normal file
@ -0,0 +1,261 @@
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#include <string.h>
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#include "socket.h"
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int sock_open(void)
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{
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WORD wVersionRequested;
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WSADATA wsaData;
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int err;
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wVersionRequested = MAKEWORD(2, 0);
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err = WSAStartup(wVersionRequested, &wsaData );
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if (err != 0) return 0;
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if (LOBYTE(wsaData.wVersion) != 2 || HIBYTE(wsaData.wVersion) != 0) {
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WSACleanup();
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return 0;
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}
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return 1;
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}
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void sock_destroy(p_sock ps)
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{
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closesocket(*ps);
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}
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const char *sock_create(p_sock ps, int domain, int type, int protocol)
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{
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t_sock sock = socket(domain, type, protocol);
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if (sock == SOCK_INVALID) return sock_createstrerror();
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*ps = sock;
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sock_setnonblocking(ps);
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sock_setreuseaddr(ps);
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return NULL;
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}
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const char *sock_connect(p_sock ps, SA *addr, socklen_t addr_len)
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{
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if (connect(*ps, addr, addr_len) < 0) return sock_connectstrerror();
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else return NULL;
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}
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const char *sock_bind(p_sock ps, SA *addr, socklen_t addr_len)
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{
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if (bind(*ps, addr, addr_len) < 0) return sock_bindstrerror();
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else return NULL;
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}
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void sock_listen(p_sock ps, int backlog)
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{
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listen(*ps, backlog);
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}
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int sock_accept(p_sock ps, p_sock pa, SA *addr, socklen_t *addr_len,
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int timeout)
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{
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t_sock sock = *ps;
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struct timeval tv;
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SA dummy_addr;
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socklen_t dummy_len;
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fd_set fds;
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tv.tv_sec = timeout / 1000;
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tv.tv_usec = (timeout % 1000) * 1000;
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FD_ZERO(&fds);
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FD_SET(sock, &fds);
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if (select(sock+1, &fds, NULL, NULL, timeout >= 0 ? &tv : NULL) <= 0)
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return IO_TIMEOUT;
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if (!addr) addr = &dummy_addr;
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if (!addr_len) addr_len = &dummy_len;
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*pa = accept(sock, addr, addr_len);
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if (*pa == SOCK_INVALID) return IO_ERROR;
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else return IO_DONE;
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}
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int sock_send(p_sock ps, const char *data, size_t count, size_t *sent,
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int timeout)
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{
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t_sock sock = *ps;
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struct timeval tv;
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fd_set fds;
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ssize_t put = 0;
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int err;
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int ret;
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tv.tv_sec = timeout / 1000;
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tv.tv_usec = (timeout % 1000) * 1000;
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FD_ZERO(&fds);
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FD_SET(sock, &fds);
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ret = select(sock+1, NULL, &fds, NULL, timeout >= 0 ? &tv : NULL);
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if (ret > 0) {
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put = send(sock, data, count, 0);
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if (put <= 0) {
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/* a bug in WinSock forces us to do a busy wait until we manage
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** to write, because select returns immediately even though it
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** should have blocked us until we could write... */
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if (WSAGetLastError() == WSAEWOULDBLOCK) err = IO_DONE;
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else err = IO_CLOSED;
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*sent = 0;
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} else {
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*sent = put;
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err = IO_DONE;
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}
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return err;
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} else {
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*sent = 0;
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return IO_TIMEOUT;
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}
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}
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int sock_sendto(p_sock ps, const char *data, size_t count, size_t *sent,
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SA *addr, socklen_t addr_len, int timeout)
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{
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t_sock sock = *ps;
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struct timeval tv;
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fd_set fds;
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ssize_t put = 0;
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int err;
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int ret;
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tv.tv_sec = timeout / 1000;
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tv.tv_usec = (timeout % 1000) * 1000;
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FD_ZERO(&fds);
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FD_SET(sock, &fds);
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ret = select(sock+1, NULL, &fds, NULL, timeout >= 0 ? &tv : NULL);
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if (ret > 0) {
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put = sendto(sock, data, count, 0, addr, addr_len);
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if (put <= 0) {
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/* a bug in WinSock forces us to do a busy wait until we manage
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** to write, because select returns immediately even though it
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** should have blocked us until we could write... */
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if (WSAGetLastError() == WSAEWOULDBLOCK) err = IO_DONE;
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else err = IO_CLOSED;
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*sent = 0;
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} else {
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*sent = put;
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err = IO_DONE;
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}
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return err;
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} else {
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*sent = 0;
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return IO_TIMEOUT;
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}
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}
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int sock_recv(p_sock ps, char *data, size_t count, size_t *got, int timeout)
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{
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t_sock sock = *ps;
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struct timeval tv;
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fd_set fds;
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int ret;
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ssize_t taken = 0;
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tv.tv_sec = timeout / 1000;
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tv.tv_usec = (timeout % 1000) * 1000;
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FD_ZERO(&fds);
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FD_SET(sock, &fds);
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ret = select(sock+1, &fds, NULL, NULL, timeout >= 0 ? &tv : NULL);
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if (ret > 0) {
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taken = recv(sock, data, count, 0);
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if (taken <= 0) {
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*got = 0;
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return IO_CLOSED;
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} else {
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*got = taken;
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return IO_DONE;
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}
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} else {
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*got = 0;
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return IO_TIMEOUT;
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}
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}
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int sock_recvfrom(p_sock ps, char *data, size_t count, size_t *got,
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SA *addr, socklen_t *addr_len, int timeout)
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{
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t_sock sock = *ps;
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struct timeval tv;
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fd_set fds;
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int ret;
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ssize_t taken = 0;
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tv.tv_sec = timeout / 1000;
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tv.tv_usec = (timeout % 1000) * 1000;
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FD_ZERO(&fds);
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FD_SET(sock, &fds);
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ret = select(sock+1, &fds, NULL, NULL, timeout >= 0 ? &tv : NULL);
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if (ret > 0) {
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taken = recvfrom(sock, data, count, 0, addr, addr_len);
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if (taken <= 0) {
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*got = 0;
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return IO_CLOSED;
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} else {
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*got = taken;
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return IO_DONE;
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}
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} else {
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*got = 0;
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return IO_TIMEOUT;
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}
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}
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const char *sock_hoststrerror(void)
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{
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switch (WSAGetLastError()) {
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case HOST_NOT_FOUND: return "host not found";
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case NO_ADDRESS: return "unable to resolve host name";
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case NO_RECOVERY: return "name server error";
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case TRY_AGAIN: return "name server unavailable, try again later.";
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default: return "unknown error";
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}
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}
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const char *sock_createstrerror(void)
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{
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switch (WSAGetLastError()) {
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case WSANOTINITIALISED: return "not initialized";
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case WSAENETDOWN: return "network is down";
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case WSAEMFILE: return "descriptor table is full";
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case WSAENOBUFS: return "insufficient buffer space";
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default: return "unknown error";
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}
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}
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const char *sock_bindstrerror(void)
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{
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switch (WSAGetLastError()) {
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case WSANOTINITIALISED: return "not initialized";
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case WSAENETDOWN: return "network is down";
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case WSAEADDRINUSE: return "address already in use";
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case WSAEINVAL: return "socket already bound";
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case WSAENOBUFS: return "too many connections";
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case WSAEFAULT: return "invalid address";
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case WSAENOTSOCK: return "not a socket descriptor";
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default: return "unknown error";
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}
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}
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const char *sock_connectstrerror(void)
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{
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switch (WSAGetLastError()) {
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case WSANOTINITIALISED: return "not initialized";
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case WSAENETDOWN: return "network is down";
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case WSAEADDRINUSE: return "address already in use";
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case WSAEADDRNOTAVAIL: return "address unavailable";
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case WSAECONNREFUSED: return "connection refused";
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case WSAENETUNREACH: return "network is unreachable";
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default: return "unknown error";
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}
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}
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void sock_setreuseaddr(p_sock ps)
|
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{
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int val = 1;
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setsockopt(*ps, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val));
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}
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void sock_setblocking(p_sock ps)
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{
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u_long argp = 0;
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ioctlsocket(*ps, FIONBIO, &argp);
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}
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void sock_setnonblocking(p_sock ps)
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{
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u_long argp = 1;
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ioctlsocket(*ps, FIONBIO, &argp);
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}
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22
src/wsocket.h
Normal file
22
src/wsocket.h
Normal file
@ -0,0 +1,22 @@
|
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/*=========================================================================*\
|
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* Socket compatibilization module for Win32
|
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*
|
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* RCS ID: $Id$
|
||||
\*=========================================================================*/
|
||||
#ifndef WSOCKET_H
|
||||
#define WSOCKET_H
|
||||
|
||||
/*=========================================================================*\
|
||||
* WinSock2 include files
|
||||
\*=========================================================================*/
|
||||
#include <winsock2.h>
|
||||
#include <winbase.h>
|
||||
|
||||
typedef int socklen_t;
|
||||
typedef int ssize_t;
|
||||
typedef SOCKET t_sock;
|
||||
typedef t_sock *p_sock;
|
||||
|
||||
#define SOCK_INVALID (INVALID_SOCKET)
|
||||
|
||||
#endif /* WSOCKET_H */
|
||||
Loading…
Reference in New Issue
Block a user