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|
#!/usr/bin/env perl
use strict;
use warnings;
use File::Basename;
use lib dirname (__FILE__);
use TestUtils;
use TestHTTPD;
use File::Temp;
sub proxy {
my $config = shift;
exec(@_, '../src/sniproxy', '-f', '-c', $config);
}
sub worker($$$$) {
my ($hostname, $path, $port, $requests) = @_;
for (my $i = 0; $i < $requests; $i++) {
system('curl',
'-s', '-S',
'-H', "Host: $hostname",
'-o', '/dev/null',
"http://localhost:$port/$path");
if ($? == -1) {
die "failed to execute: $!\n";
} elsif ($? & 127) {
printf STDERR "child died with signal %d, %s coredump\n", ($? & 127), ($? & 128) ? 'with' : 'without';
exit 255;
} elsif ($? >> 8) {
exit $? >> 8;
}
}
# Success
exit 0;
}
sub make_config($$$) {
my $proxy_port1 = shift;
my $proxy_port2 = shift;
my $httpd_port = shift;
my ($fh, $filename) = File::Temp::tempfile();
my ($unused, $logfile) = File::Temp::tempfile();
chmod(0644, $filename);
chmod(0666, $logfile);
# Write out a test config file
print $fh <<END;
# Minimal test configuration
listen 127.0.0.1 $proxy_port1 {
proto http
table table_a
access_log $logfile
}
listen 127.0.0.1 $proxy_port2 {
proto http
table table_b
access_log $logfile
}
table table_a {
localhost 127.0.0.1 $httpd_port
}
table table_b {
localhost 127.0.0.1 $httpd_port
}
END
close ($fh);
return $filename;
}
sub alter_config($$$$) {
my $filename = shift;
my $proxy_port1 = shift;
my $proxy_port2 = shift;
my $httpd_port = shift;
my $fh = undef;
open($fh, '>', $filename)
or die("open(): $!");
# Write out a test config file
print $fh <<END;
# Minimal test configuration
listen 127.0.0.1 $proxy_port1 {
proto http
table table_c
}
listen 127.0.0.1 $proxy_port2 {
proto http
table table_a
}
table table_a {
localhost 127.0.0.1 $httpd_port
}
table table_c {
localhost 127.0.0.1 $httpd_port
}
END
close ($fh);
}
sub main {
my $proxy_port1 = $ENV{SNI_PROXY_PORT} || 8080;
my $proxy_port2 = $ENV{SNI_PROXY_PORT2} || 8081;
my $proxy_port3 = $ENV{SNI_PROXY_PORT3} || 8082;
my $httpd_port1 = $ENV{TEST_HTTPD_PORT} || 8083;
my $httpd_port2 = $ENV{TEST_HTTPD_PORT2} || 8084;
my $workers = $ENV{WORKERS} || 10;
my $iterations = $ENV{ITERATIONS} || 10;
my $config = make_config($proxy_port1, $proxy_port2, $httpd_port1);
my $proxy_pid = start_child('server', \&proxy, $config, @ARGV);
my $httpd_pid = start_child('server', \&TestHTTPD::httpd, port => $httpd_port1);
# Wait for proxy to load and parse config
wait_for_port(port => $httpd_port1);
wait_for_port(port => $proxy_port1);
wait_for_port(port => $proxy_port2);
for (my $i = 0; $i < $workers; $i++) {
start_child('worker', \&worker, 'localhost', '', $proxy_port1, $iterations);
}
for (my $i = 0; $i < $workers; $i++) {
start_child('worker', \&worker, 'localhost', '', $proxy_port2, $iterations);
}
# Wait for all our children to finish
wait_for_type('worker');
kill 15, $httpd_pid;
# edit config
alter_config($config, $proxy_port2, $proxy_port3, $httpd_port2);
kill 1, $proxy_pid;
$httpd_pid = start_child('server', \&TestHTTPD::httpd, port => $httpd_port2);
wait_for_port(port => $httpd_port2);
for (my $i = 0; $i < $workers; $i++) {
start_child('worker', \&worker, 'localhost', '', $proxy_port2, $iterations);
}
for (my $i = 0; $i < $workers; $i++) {
start_child('worker', \&worker, 'localhost', '', $proxy_port3, $iterations);
}
# Wait for all our children to finish
wait_for_type('worker');
# Give the proxy a second to flush buffers and close server connections
sleep 1;
# For troubleshooting connections stuck in CLOSE_WAIT state
#kill 10, $proxy_pid;
#system("netstat -ptn | grep $proxy_pid\/sniproxy");
# For troubleshooting 100% CPU usage
#system("top -n 1 -p $proxy_pid -b");
# Orderly shutdown of the server
kill 15, $proxy_pid;
kill 15, $httpd_pid;
sleep 1;
# Delete our test configuration
unlink($config);
# Kill off any remaining children
reap_children();
}
main();
|
