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#!/usr/bin/perl -w
use strict;
use Getopt::Long;
use Ivy;
use Time::HiRes;
use Tk;
sub defaultOption ($$);
my %options;
my $numberOfSentMsg = 0;
my $numberOfSentMsgWhenCongestion = 1e6;
END {Ivy::stop ();}
# cet exemple lance deux agents un qui envoie vite de gros messages, et un autre
# qui les reçoit. Lors des 10 premières receptions il attend une seconde après
# chaque message, ensuite il depile aussi vite qu'il peut, cet exemple permet
# de tester le bon fonctionnement du mode non bloquant.
#OPTIONS
GetOptions (\%options, "send", "receive");
unless ((exists $options{send}) || (exists $options{receive})) {
if (fork () == 0) {
sleep (1);
exec (qw (./testCongestionTk.pl -send));
} else {
exec (qw (./testCongestionTk.pl -receive));
}
}
defaultOption ("bus", $ENV{IVYBUS});
if (exists ($options{send})) {
defaultOption ("ivyname", "TESTSEND");
} else {
defaultOption ("ivyname", "TESTRECEIVE");
}
my $t0;
my $cbAppelee = 0;
# IVY
Ivy->init (-loopMode => 'TK',
-appName => $options{ivyname},
-ivyBus => $options{bus},
-filterRegexp => [$options{ivyname}]
) ;
my $bus = Ivy->new (-statusFunc => \&statusFunc,
-slowAgentFunc=> \&congestionFunc,
-blockOnSlowAgent => 0,
-neededApp => exists $options{send} ?
["TESTRECEIVE"] : ["TESTSEND"]);
my $mw = MainWindow->new;
my $tx1 = $mw->Text;
my $tx2 = $mw->Text (-height => 3);
$tx2->pack (-fill => 'both', -expand => 'false');
$tx1->pack (-fill => 'both', -expand => 'true');
$mw->title ($options{ivyname});
unless (exists ($options{send})) {
$bus->bindRegexp ('TESTSEND SEND (\d+) (.*)', [\&receiveSend]);
}
if (exists ($options{send})) {
$mw->repeat (10, [\&send]);
}
$bus->start ();
#$bus->mainLoop ();
#Tk::MainLoop ();
Ivy::mainLoop ();
# PROCEDURES
sub receiveSend ($$)
{
my ($app, $iter) = @_;
$tx1->insert ('end', "RECEIVE $iter\n");
$tx1->yviewScroll (1, 'units');
$tx1->idletasks();
sleep (1) if ($cbAppelee++ < 10);
}
sub send ()
{
$t0 = Time::HiRes::gettimeofday;
#print ("DBG> send $t0\n");
if ($numberOfSentMsg++ < ($numberOfSentMsgWhenCongestion+100)) {
$tx1->insert ('end', "SEND $numberOfSentMsg\n");
$tx1->yviewScroll (1, 'units');
$bus->sendAppNameMsgs ("SEND $numberOfSentMsg " . 'a' x 1020);
}
}
sub defaultOption ($$)
{
my ($option, $default) = @_;
unless (defined $options{$option}) {
# warn "option $option non spécifiéee : utilision de $default\n";
$options{$option} = $default;
}
}
sub statusFunc ($$)
{
my ($ready, $notReady) = @_;
if (@{$notReady}) {
printf "appli manquantes : %s\n", join (' ', @{$notReady});
} else {
printf ("Toutes applis OK !!\n");
}
}
sub congestionFunc ($$$)
{
my ($name, $addr, $state) = @_;
if ($state == 1) {
$tx2->insert ('end', sprintf ("$name [$addr] %s will stop at N=%d\n", $state ? "CONGESTION" : "OK",
$numberOfSentMsg+100));
$numberOfSentMsgWhenCongestion = $numberOfSentMsg;
} else {
$tx2->insert ('end', sprintf ("$name [$addr] %s\n", $state ? "CONGESTION" : "OK"));
}
$tx2->update();
}
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