vde-2/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 <sys/poll.h>
  12 #include <sys/socket.h>
  13 #include <sys/un.h>
  14
  15 #include <vde.h>
  16
  17 #define BUFSIZE 1024
  18 char buf[BUFSIZE];
  19
  20 int main(int argc,char *argv[])
  21 {
  22         struct sockaddr_un sun;
  23         int fd;
  24         int rv;
  25         static struct pollfd pfd[]={
  26                 {STDIN_FILENO,POLLIN | POLLHUP,0},
  27                 {STDIN_FILENO,POLLIN | POLLHUP,0}};
  28         static int fileout[]={STDOUT_FILENO,STDOUT_FILENO};
  29         sun.sun_family=PF_UNIX;
  30         snprintf(sun.sun_path,sizeof(sun.sun_path),"%s",argv[1]);
  31         fd=socket(PF_UNIX,SOCK_STREAM,0);
  32         rv=connect(fd,(struct sockaddr *)(&sun),sizeof(sun));
  33         pfd[1].fd=fileout[0]=fd;
  34         while(1) {
  35                 int m,i,n=poll(pfd,2,-1);
  36                 for(i=0;n>0;i++) {
  37                         if(pfd[i].revents & POLLHUP)
  38                                 exit(0);
  39                         if(pfd[i].revents & POLLIN) {
  40                                 n--;
  41                                 if((m=read(pfd[i].fd,buf,BUFSIZE)) == 0)
  42                                         exit(0);
  43                                 write(fileout[i],buf,m);
  44                         }
  45                 }
  46         }
  47 }