sendudp

Vovida 社区开源的 SIP 协议源码

#!/usr/bin/perl

use Socket;
require "getopts.pl";

$sleeptime = .1;

&Getopts("H:p:c:s:");

if($opt_s) { 
    $sleeptime = $opt_s;
}

$hostname = "localhost";

if($opt_H) {
	$hostname = $opt_H;
}
$port = "2427";
if($opt_p) {
	$port = $opt_p;
}
$sockaddr = "S n a4 x8";($name,$aliases,$proto) = getprotobyname('udp');

chop($local_hostname = `hostname`);
($name,$aliases,$type,$len,$myaddr) = gethostbyname($local_hostname);

($name,$aliases,$type,$len,$broadaddr) = gethostbyname($hostname);

$me   = pack($sockaddr,PF_INET, 7000,     $myaddr);
$them = pack($sockaddr,PF_INET, $port, $broadaddr);

socket(S, PF_INET, SOCK_DGRAM, $proto) || die $!;
bind(S, $me) || die $!;

open(F, $ARGV[0]) or die "can't open $ARGV[0] $!";
while(<F>) {
    if($_ =~ /^\-\-\-\- start \-\-\-\-/) {
	$msg = "";
	$flag = 1;
    } elsif ($_ =~ /^\-\-\-\- end \-\-\-\-/) {
	print "$msg";
	if($opt_c) {
	    $win = '';
	    vec($win, fileno(S),1) = 1;
	    for($i = 0; $i < $opt_c ; $i++) {
		if(select(undef, $wout=$win, undef, undef)) {
		    print ".";
		    defined(send(S,$msg,0,$them)) || die "failed: $! $?";
		} else {
		    die "select problem!";
		}
#		select undef, undef, undef, $sleeptime;
	    }
	} else {
	    send(S,$msg,0,$them) || die $!;
	}
	$flag = 0;
    } elsif ($flag == 1) {
	$msg .= $_;
    }
}
close(F);