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Comparing AnyEvent/lib/AnyEvent.pm (file contents):
Revision 1.379 by root, Fri Aug 26 18:09:04 2011 UTC vs.
Revision 1.383 by root, Fri Sep 2 04:41:16 2011 UTC

1058If L<AnyEvent::Log> is not loaded then this function makes a simple test 1058If L<AnyEvent::Log> is not loaded then this function makes a simple test
1059to see whether the message will be logged. If the test succeeds it will 1059to see whether the message will be logged. If the test succeeds it will
1060load AnyEvent::Log and call C<AnyEvent::Log::log> - consequently, look at 1060load AnyEvent::Log and call C<AnyEvent::Log::log> - consequently, look at
1061the L<AnyEvent::Log> documentation for details. 1061the L<AnyEvent::Log> documentation for details.
1062 1062
1063If the test fails it will simply return. 1063If the test fails it will simply return. Right now this happens when a
1064numerical loglevel is used and it is larger than the level specified via
1065C<$ENV{PERL_ANYEVENT_VERBOSE}>.
1064 1066
1065If you want to sprinkle loads of logging calls around your code, consider 1067If you want to sprinkle loads of logging calls around your code, consider
1066creating a logger callback with the C<AnyEvent::Log::logger> function, 1068creating a logger callback with the C<AnyEvent::Log::logger> function,
1067which can reduce typing, codesize and can reduce the logging overhead 1069which can reduce typing, codesize and can reduce the logging overhead
1068enourmously. 1070enourmously.
1235 1237
1236use Carp (); 1238use Carp ();
1237 1239
1238our $VERSION = '6.02'; 1240our $VERSION = '6.02';
1239our $MODEL; 1241our $MODEL;
1240
1241our @ISA; 1242our @ISA;
1242
1243our @REGISTRY; 1243our @REGISTRY;
1244
1245our $VERBOSE; 1244our $VERBOSE;
1245our $MAX_SIGNAL_LATENCY = 10;
1246our %PROTOCOL; # (ipv4|ipv6) => (1|2), higher numbers are preferred
1246 1247
1247BEGIN { 1248BEGIN {
1248 require "AnyEvent/constants.pl"; 1249 require "AnyEvent/constants.pl";
1249 1250
1250 eval "sub TAINT (){" . (${^TAINT}*1) . "}"; 1251 eval "sub TAINT (){" . (${^TAINT}*1) . "}";
1256 for grep s/^AE_// && !exists $ENV{"PERL_ANYEVENT_$_"}, keys %ENV; 1257 for grep s/^AE_// && !exists $ENV{"PERL_ANYEVENT_$_"}, keys %ENV;
1257 1258
1258 @ENV{grep /^PERL_ANYEVENT_/, keys %ENV} = () 1259 @ENV{grep /^PERL_ANYEVENT_/, keys %ENV} = ()
1259 if ${^TAINT}; 1260 if ${^TAINT};
1260 1261
1261 $VERBOSE = $ENV{PERL_ANYEVENT_VERBOSE}*1; 1262 # $ENV{PERL_ANYEVENT_xxx} now valid
1262}
1263 1263
1264our $MAX_SIGNAL_LATENCY = 10; 1264 $VERBOSE = length $ENV{PERL_ANYEVENT_VERBOSE} ? $ENV{PERL_ANYEVENT_VERBOSE}*1 : 3;
1265 1265
1266our %PROTOCOL; # (ipv4|ipv6) => (1|2), higher numbers are preferred
1267
1268{
1269 my $idx; 1266 my $idx;
1270 $PROTOCOL{$_} = ++$idx 1267 $PROTOCOL{$_} = ++$idx
1271 for reverse split /\s*,\s*/, 1268 for reverse split /\s*,\s*/,
1272 $ENV{PERL_ANYEVENT_PROTOCOLS} || "ipv4,ipv6"; 1269 $ENV{PERL_ANYEVENT_PROTOCOLS} || "ipv4,ipv6";
1273} 1270}
2040 2037
2041=over 4 2038=over 4
2042 2039
2043=item C<PERL_ANYEVENT_VERBOSE> 2040=item C<PERL_ANYEVENT_VERBOSE>
2044 2041
2045By default, AnyEvent will be completely silent except in fatal 2042By default, AnyEvent will only log messages with loglevel C<3>
2046conditions. You can set this environment variable to make AnyEvent more 2043(C<critical>) or higher (see L<AnyEvent::Log>). You can set this
2044environment variable to a numerical loglevel to make AnyEvent more (or
2045less) talkative.
2046
2047talkative. If you want to do more than just set the global logging level 2047If you want to do more than just set the global logging level
2048you should have a look at C<PERL_ANYEVENT_LOG>, which allows much more 2048you should have a look at C<PERL_ANYEVENT_LOG>, which allows much more
2049complex specifications. 2049complex specifications.
2050 2050
2051When set to C<0> (C<off>), then no messages whatsoever will be logged with
2052the default logging settings.
2053
2051When set to C<5> or higher (warn), causes AnyEvent to warn about unexpected 2054When set to C<5> or higher (C<warn>), causes AnyEvent to warn about
2052conditions, such as not being able to load the event model specified by 2055unexpected conditions, such as not being able to load the event model
2053C<PERL_ANYEVENT_MODEL>, or a guard callback throwing an exception - this 2056specified by C<PERL_ANYEVENT_MODEL>, or a guard callback throwing an
2054is the minimum recommended level. 2057exception - this is the minimum recommended level.
2055 2058
2056When set to C<7> or higher (info), cause AnyEvent to report which event model it 2059When set to C<7> or higher (info), cause AnyEvent to report which event model it
2057chooses. 2060chooses.
2058 2061
2059When set to C<8> or higher (debug), then AnyEvent will report extra information on 2062When set to C<8> or higher (debug), then AnyEvent will report extra information on
2092C<PERL_ANYEVENT_STRICT=1> in your environment while developing programs 2095C<PERL_ANYEVENT_STRICT=1> in your environment while developing programs
2093can be very useful, however. 2096can be very useful, however.
2094 2097
2095=item C<PERL_ANYEVENT_DEBUG_SHELL> 2098=item C<PERL_ANYEVENT_DEBUG_SHELL>
2096 2099
2097If this env variable is set, then its contents will be interpreted by 2100If this env variable is nonempty, then its contents will be interpreted by
2098C<AnyEvent::Socket::parse_hostport> (after replacing every occurance of 2101C<AnyEvent::Socket::parse_hostport> and C<AnyEvent::Debug::shell> (after
2099C<$$> by the process pid) and an C<AnyEvent::Debug::shell> is bound on 2102replacing every occurance of C<$$> by the process pid). The shell object
2100that port. The shell object is saved in C<$AnyEvent::Debug::SHELL>. 2103is saved in C<$AnyEvent::Debug::SHELL>.
2101 2104
2102This happens when the first watcher is created. 2105This happens when the first watcher is created.
2103 2106
2104For example, to bind a debug shell on a unix domain socket in 2107For example, to bind a debug shell on a unix domain socket in
2105F<< /tmp/debug<pid>.sock >>, you could use this: 2108F<< /tmp/debug<pid>.sock >>, you could use this:
2106 2109
2107 PERL_ANYEVENT_DEBUG_SHELL=/tmp/debug\$\$.sock perlprog 2110 PERL_ANYEVENT_DEBUG_SHELL=/tmp/debug\$\$.sock perlprog
2111 # connect with e.g.: socat readline /tmp/debug123.sock
2108 2112
2113Or to bind to tcp port 4545 on localhost:
2114
2115 PERL_ANYEVENT_DEBUG_SHELL=127.0.0.1:4545 perlprog
2116 # connect with e.g.: telnet localhost 4545
2117
2109Note that creating sockets in F</tmp> is very unsafe on multiuser 2118Note that creating sockets in F</tmp> or on localhost is very unsafe on
2110systems. 2119multiuser systems.
2111 2120
2112=item C<PERL_ANYEVENT_DEBUG_WRAP> 2121=item C<PERL_ANYEVENT_DEBUG_WRAP>
2113 2122
2114Can be set to C<0>, C<1> or C<2> and enables wrapping of all watchers for 2123Can be set to C<0>, C<1> or C<2> and enables wrapping of all watchers for
2115debugging purposes. See C<AnyEvent::Debug::wrap> for details. 2124debugging purposes. See C<AnyEvent::Debug::wrap> for details.

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