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annotate stream_proxy_half_close.t @ 1932:b68471aee5ad

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Tests: improved test for a stream initiating QUIC path migration. Previously, the test mostly passed due to a push timer scheduled for an unrelated delayed ACK, and the new path had enough data received to send response back when the push timer fired. Otherwise, the test could fail due to unvalidated address. Now it is fixed to perform path validation.
author Sergey Kandaurov <pluknet@nginx.com>
date Mon, 21 Aug 2023 17:10:57 +0400
parents 8bdf548487f6
children 2a0a6035a1af
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/perl
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2
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3 # (C) Sergey Kandaurov
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4 # (C) Nginx, Inc.
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5
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6 # Tests for stream proxy_half_close directive.
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7
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8 ###############################################################################
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9
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10 use warnings;
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11 use strict;
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12
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13 use Test::More;
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14
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15 use IO::Select;
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16
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17 BEGIN { use FindBin; chdir($FindBin::Bin); }
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18
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19 use lib 'lib';
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20 use Test::Nginx;
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21
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22 ###############################################################################
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23
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24 select STDERR; $| = 1;
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25 select STDOUT; $| = 1;
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26
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27 my $t = Test::Nginx->new()->has(qw/stream/);
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28
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29 $t->write_file_expand('nginx.conf', <<'EOF');
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30
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31 %%TEST_GLOBALS%%
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32
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33 daemon off;
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34
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35 events {
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36 }
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37
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38 stream {
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39 %%TEST_GLOBALS_STREAM%%
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40
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41 server {
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42 listen 127.0.0.1:8080;
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43 proxy_pass 127.0.0.1:8081;
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44
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45 proxy_half_close on;
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46 }
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47 }
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48
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49 EOF
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50
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51 $t->try_run('no proxy_half_close')->plan(2);
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52
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53 ###############################################################################
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54
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55 my ($s, $u) = pair(8080, 8081);
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56 shutdown($u, 1);
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57 is(proxy($s, $u, 'SEE'), 'SEE', 'half close upstream');
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58
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59 ($s, $u) = pair(8080, 8081);
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60 shutdown($s, 1);
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61 is(proxy($u, $s, 'SEE'), 'SEE', 'half close client');
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62
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63 ###############################################################################
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64
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65 sub pair {
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66 my ($server, $backend) = @_;
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67
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68 my $listen = IO::Socket::INET->new(
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69 LocalHost => '127.0.0.1:' . port($backend),
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70 Listen => 5,
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71 Reuse => 1,
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72 )
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73 or die "Can't listen on $server: $!\n";
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74
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75 my $connect = IO::Socket::INET->new(
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76 Proto => 'tcp',
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77 PeerHost => '127.0.0.1:' . port($server),
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78 )
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79 or die "Can't connect to $server: $!\n";
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80
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81 my $accept = $listen->accept() if IO::Select->new($listen)->can_read(3);
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82
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83 return $connect, $accept;
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84 }
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85
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86 sub proxy {
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87 my ($from, $to, $msg) = @_;
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88 proxy_from($from, $msg);
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89 return proxy_to($to);
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90 }
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91
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92 sub proxy_from {
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93 my ($s, $msg) = @_;
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94
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95 local $SIG{PIPE} = 'IGNORE';
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96
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97 while (IO::Select->new($s)->can_write(5)) {
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98 my $n = $s->syswrite($msg);
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99 log_out(substr($msg, 0, $n));
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100 last unless $n;
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101
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102 $msg = substr($msg, $n);
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103 last unless length $msg;
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104 }
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105 }
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106
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107 sub proxy_to {
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108 my ($s) = @_;
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109 my $buf;
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110
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111 $s->sysread($buf, 1024) if IO::Select->new($s)->can_read(5);
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112
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113 log_in($buf);
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114 return $buf;
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115 }
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116
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117 ###############################################################################