vde-2/unixterm/unixterm.c

   1 /* Copyright 2005 Renzo Davoli VDE-2
   2  * Licensed under the GPLv2
   3  *
   4  * Minimal terminal emulator on a UNIX stream socket
   5  */
   6
   7 #include <stdio.h>
   8 #include <fcntl.h>
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include "compat/poll.h"
  12 #include <sys/socket.h>
  13 #include <sys/un.h>
  14
  15 #include <config.h>
  16
  17 #include <vde.h>
  18
  19 #define BUFSIZE 1024
  20 char buf[BUFSIZE];
  21
  22 int main(int argc,char *argv[])
  23 {
  24         struct sockaddr_un sun;
  25         int fd;
  26         int rv;
  27         static struct pollfd pfd[]={
  28                 {STDIN_FILENO,POLLIN | POLLHUP,0},
  29                 {STDIN_FILENO,POLLIN | POLLHUP,0}};
  30         static int fileout[]={STDOUT_FILENO,STDOUT_FILENO};
  31         sun.sun_family=PF_UNIX;
  32         snprintf(sun.sun_path,sizeof(sun.sun_path),"%s",argv[1]);
  33         if((fd=socket(PF_UNIX,SOCK_STREAM,0))<0) {
  34                 perror("Socket opening error");
  35                 exit(-1);
  36         }
  37         if ((rv=connect(fd,(struct sockaddr *)(&sun),sizeof(sun))) < 0) {
  38                 perror("Socket connecting error");
  39                 exit(-1);
  40         }
  41         pfd[1].fd=fileout[0]=fd;
  42         while(1) {
  43                 int m,i,n=poll(pfd,2,-1);
  44                 for(i=0;n>0;i++) {
  45                         if(pfd[i].revents & POLLHUP)
  46                                 exit(0);
  47                         if(pfd[i].revents & POLLIN) {
  48                                 n--;
  49                                 if((m=read(pfd[i].fd,buf,BUFSIZE)) == 0)
  50                                         exit(0);
  51                                 write(fileout[i],buf,m);
  52                         }
  53                 }
  54         }
  55 }