Perl Socket 客户端通讯一例

#!/usr/bin/perl

print "client\n";

$AF_UNIX=1;
$SOCK_STREAM=1;
$PROTOCOL=0;

socket(CLIENTSOCKET, $AF_UNIX, $SOCK_STREAM, $PROTOCOL);
$name="./greetings";

do{
   $result = connect(CLIENTSOCKET, "$name" );
   if ($result != 1 ){
      sleep(1);
   }
}while($result !=  1 ); # Loop until a connection is made

read(CLIENTSOCKET, $buf, 500);
print STDOUT "$buf\n";
close (CLIENTSOCKET);
exit(0);