#!/usr/bin/perl

# (C) Sergey Kandaurov
# (C) Nginx, Inc.

# Tests for HTTP/3, reusable connections.

###############################################################################

use warnings;
use strict;

use Test::More;

BEGIN { use FindBin; chdir($FindBin::Bin); }

use lib 'lib';
use Test::Nginx;
use Test::Nginx::HTTP3;

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select STDERR; $| = 1;
select STDOUT; $| = 1;

my $t = Test::Nginx->new()->has(qw/http http_v3 cryptx/)
	->has_daemon('openssl')->plan(1)
	->write_file_expand('nginx.conf', <<'EOF');

%%TEST_GLOBALS%%

daemon off;

events {
    worker_connections 12;
}

http {
    %%TEST_GLOBALS_HTTP%%

    ssl_certificate_key localhost.key;
    ssl_certificate localhost.crt;

    server {
        listen       127.0.0.1:%%PORT_8980_UDP%% quic;
        server_name  localhost;

        location / { }
    }
}

EOF

$t->write_file('openssl.conf', <<EOF);
[ req ]
default_bits = 2048
encrypt_key = no
distinguished_name = req_distinguished_name
[ req_distinguished_name ]
EOF

my $d = $t->testdir();

foreach my $name ('localhost') {
	system('openssl req -x509 -new '
		. "-config $d/openssl.conf -subj /CN=$name/ "
		. "-out $d/$name.crt -keyout $d/$name.key "
		. ">>$d/openssl.out 2>&1") == 0
		or die "Can't create certificate for $name: $!\n";
}

$t->run();

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my $s1 = Test::Nginx::HTTP3->new();
$s1->insert_literal(':path', '/foo');
$s1->read(all => [ { type => 'DECODER_ICI' } ]);

# expect to steal reusable worker connections

my $s2 = Test::Nginx::HTTP3->new();
$s2->start_chain();
my @sids = map { $s2->new_stream() } 1 .. 5;
$s2->send_chain();
my $frames = $s2->read(all => [ map { { sid => $_, fin => 1 } } @sids ]);

my $streams = grep { $_->{type} eq "HEADERS" } @$frames;
is($streams, 5, 'streams');

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