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84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
#ifndef __MINGW32__
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#endif
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#include <string.h>
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#include "windoze.h"
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#include "socket.h"
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#include "havesl.h"
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#ifdef __MINGW32__
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#include <windows.h>
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#include <mswsock.h>
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#include <errno.h>
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#include <stdio.h>
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#include "io_internal.h"
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#endif
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int socket_accept4(int s,char ip[4],uint16 *port) {
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struct sockaddr_in si;
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socklen_t len = sizeof si;
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int fd;
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#ifdef __MINGW32__
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io_entry* e=array_get(&io_fds,sizeof(io_entry),s);
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if (e && e->inuse) {
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int sa2len;
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fd=-1;
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if (e->acceptqueued==1) {
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errno=EAGAIN;
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return -1;
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}
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if (e->acceptqueued==2) {
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incoming:
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/* incoming! */
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{
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struct sockaddr* x,* y;
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GetAcceptExSockaddrs(e->inbuf,0,200,200,&x,&sa2len,&y,&len);
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if (len>sizeof(si)) len=sizeof(si);
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memcpy(&si,y,len);
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}
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fd=e->next_accept;
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e->next_accept=0;
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if (e->nonblock) {
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if (io_fd_canwrite(fd)) {
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io_entry* f=array_get(&io_fds,sizeof(io_entry),fd);
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if (f) {
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f->nonblock=1;
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// printf("setting fd %lu to non-blocking\n",(int)fd);
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}
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}
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}
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}
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/* no accept queued, queue one now. */
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if (e->next_accept==0) {
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e->next_accept=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
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if (e==-1)
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return winsock2errno(-1);
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}
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if (AcceptEx(s,e->next_accept,e->inbuf,0,200,200,&e->errorcode,&e->or))
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goto incoming;
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if (WSAGetLastError() != ERROR_IO_PENDING)
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return winsock2errno(-1);
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e->acceptqueued=1;
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if (fd==-1) {
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errno=EAGAIN;
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return fd;
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}
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} else {
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#endif
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if ((fd=accept(s,(void*) &si,&len))==-1)
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return winsock2errno(-1);
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#ifdef __MINGW32__
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}
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#endif
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if (ip) *(uint32*)ip = *(uint32*)&si.sin_addr;
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if (port) uint16_unpack_big((char *) &si.sin_port,port);
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return fd;
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}
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