Mercurial > hg > nginx-tests
annotate debug_connection_syslog.t @ 1983:c7315caf2110
Tests: optimized processing of large QUIC packets with padding.
Path MTU discovery packets might contain a lot of padding, and creating
a copy of the whole buffer for each PADDING frame, which is just one
byte with type 0, consumes lots of resources. This was seen to result
in flapping of at least h3_keepalive.t and h3_ssl_early_data.t tests.
Fix is to copy at most 8 bytes for parse_int() calls when parsing
frame types.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 03 Jun 2024 04:17:28 +0300 |
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1 #!/usr/bin/perl |
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2 |
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3 # (C) Nginx, Inc. |
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4 |
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5 # Tests for debug_connection with syslog. |
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6 |
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7 ############################################################################### |
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8 |
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9 use warnings; |
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10 use strict; |
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11 |
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12 use Test::More; |
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13 |
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14 use IO::Select; |
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15 |
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16 BEGIN { use FindBin; chdir($FindBin::Bin); } |
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17 |
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18 use lib 'lib'; |
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19 use Test::Nginx; |
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20 |
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21 ############################################################################### |
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22 |
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23 select STDERR; $| = 1; |
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24 select STDOUT; $| = 1; |
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25 |
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26 my $t = Test::Nginx->new()->has(qw/http --with-debug proxy/); |
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27 |
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28 $t->write_file_expand('nginx.conf', <<'EOF'); |
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29 |
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30 %%TEST_GLOBALS%% |
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31 |
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32 daemon off; |
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33 |
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34 events { |
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35 debug_connection ::1; |
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36 } |
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37 |
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38 http { |
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39 %%TEST_GLOBALS_HTTP%% |
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40 |
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41 error_log syslog:server=127.0.0.1:%%PORT_8981_UDP%% alert; |
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42 error_log syslog:server=127.0.0.1:%%PORT_8982_UDP%% alert; |
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43 |
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44 server { |
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45 listen 127.0.0.1:8080; |
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46 listen [::1]:%%PORT_8080%%; |
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47 server_name localhost; |
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48 |
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49 location /debug { |
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50 proxy_pass http://[::1]:%%PORT_8080%%/; |
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51 } |
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52 } |
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53 } |
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54 |
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55 EOF |
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56 |
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57 $t->try_run('no inet6 support')->plan(5); |
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58 |
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59 ############################################################################### |
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60 |
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61 my ($s1, $s2) = map { |
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62 IO::Socket::INET->new( |
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63 Proto => 'udp', |
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64 LocalAddr => "127.0.0.1:$_" |
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65 ) |
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66 or die "Can't open syslog socket $_: $!"; |
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67 } port(8981), port(8982); |
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68 |
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69 is(get_syslog('/', $s1), '', 'no debug_connection syslog 1'); |
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70 is(get_syslog('/', $s2), '', 'no debug_connection syslog 2'); |
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71 |
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72 my @msgs = get_syslog('/debug', $s1, $s2); |
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73 like($msgs[0], qr/\[debug\]/, 'debug_connection syslog 1'); |
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74 like($msgs[1], qr/\[debug\]/, 'debug_connection syslog 2'); |
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75 is($msgs[0], $msgs[1], 'debug_connection syslog1 syslog2 match'); |
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76 |
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77 ############################################################################### |
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78 |
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79 sub get_syslog { |
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80 my ($uri, @s) = @_; |
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81 my @data; |
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82 |
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83 http_get($uri); |
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84 |
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85 map { |
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86 my $data = ''; |
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87 IO::Select->new($_)->can_read(1); |
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88 while (IO::Select->new($_)->can_read(0.1)) { |
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89 my ($buffer); |
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90 sysread($_, $buffer, 4096); |
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91 $data .= $buffer; |
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92 } |
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93 push @data, $data; |
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94 } (@s); |
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95 |
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96 return $data[0] if scalar @data == 1; |
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97 return @data; |
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98 } |
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99 |
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100 ############################################################################### |