package Echolot::Pinger::Mix;

# (c) 2002 Peter Palfrader <peter@palfrader.org>
# $Id: Mix.pm,v 1.4 2002/07/16 02:48:57 weasel Exp $
#

=pod

=head1 Name

Echolot::Pinger::Mix - send mix pings

=head1 DESCRIPTION

This package provides functions for sending mixmaster (type II) pings.

=cut

use strict;
use Carp qw{cluck};
use English;

sub ping($$$$) {
	my ($body, $to, $chain, $keys) = @_;

	my $chaincomma = join (',', @$chain);

	my $keyring = Echolot::Config::get()->{'Pinger::Mix'}->{'mixdir'}.'/pubring.mix';
	open (F, '>'.$keyring) or
		cluck("Cannot open $keyring for writing: $!"),
		return 0;
	for my $keyid (keys %$keys) {
		print (F $keys->{$keyid}->{'summary'}, "\n\n");
		print (F $keys->{$keyid}->{'key'},"\n\n");
	};
	close (F) or
		cluck("Cannot close $keyring"),
		return 0;

	my $type2list = Echolot::Config::get()->{'Pinger::Mix'}->{'mixdir'}.'/type2.list';
	open (F, '>'.$type2list) or
		cluck("Cannot open $type2list for writing: $!"),
		return 0;
	for my $keyid (keys %$keys) {
		print (F $keys->{$keyid}->{'summary'}, "\n");
	};
	close (F) or
		cluck("Cannot close $type2list"),
		return 0;
	
	open(MIX, "|".Echolot::Config::get()->{'Pinger::Mix'}->{'mix'}." -m -S -l $chaincomma") or
		cluck("Cannot exec mixpinger: $!"),
		return 0;
	print MIX "To: $to\n\n$body";
	close (MIX);
	    
	return 1;
};

1;
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