… | |
… | |
1223 | |
1223 | |
1224 | package AnyEvent; |
1224 | package AnyEvent; |
1225 | |
1225 | |
1226 | # basically a tuned-down version of common::sense |
1226 | # basically a tuned-down version of common::sense |
1227 | sub common_sense { |
1227 | sub common_sense { |
1228 | # from common:.sense 3.4 |
1228 | # from common:.sense 3.5 |
|
|
1229 | local $^W; |
1229 | ${^WARNING_BITS} ^= ${^WARNING_BITS} ^ "\x3c\x3f\x33\x00\x0f\xf0\x0f\xc0\xf0\xfc\x33\x00"; |
1230 | ${^WARNING_BITS} ^= ${^WARNING_BITS} ^ "\x3c\x3f\x33\x00\x0f\xf0\x0f\xc0\xf0\xfc\x33\x00"; |
1230 | # use strict vars subs - NO UTF-8, as Util.pm doesn't like this atm. (uts46data.pl) |
1231 | # use strict vars subs - NO UTF-8, as Util.pm doesn't like this atm. (uts46data.pl) |
1231 | $^H |= 0x00000600; |
1232 | $^H |= 0x00000600; |
1232 | } |
1233 | } |
1233 | |
1234 | |
1234 | BEGIN { AnyEvent::common_sense } |
1235 | BEGIN { AnyEvent::common_sense } |
1235 | |
1236 | |
1236 | use Carp (); |
1237 | use Carp (); |
1237 | |
1238 | |
1238 | our $VERSION = '6.14'; |
1239 | our $VERSION = '7.01'; |
1239 | our $MODEL; |
1240 | our $MODEL; |
1240 | our @ISA; |
1241 | our @ISA; |
1241 | our @REGISTRY; |
1242 | our @REGISTRY; |
1242 | our $VERBOSE; |
1243 | our $VERBOSE; |
1243 | our %PROTOCOL; # (ipv4|ipv6) => (1|2), higher numbers are preferred |
1244 | our %PROTOCOL; # (ipv4|ipv6) => (1|2), higher numbers are preferred |
… | |
… | |
1395 | |
1396 | |
1396 | # IO::Async::Loop::AnyEvent is extremely evil, refuse to work with it |
1397 | # IO::Async::Loop::AnyEvent is extremely evil, refuse to work with it |
1397 | # the author knows about the problems and what it does to AnyEvent as a whole |
1398 | # the author knows about the problems and what it does to AnyEvent as a whole |
1398 | # (and the ability of others to use AnyEvent), but simply wants to abuse AnyEvent |
1399 | # (and the ability of others to use AnyEvent), but simply wants to abuse AnyEvent |
1399 | # anyway. |
1400 | # anyway. |
1400 | AnyEvent::log fatal => "AnyEvent: IO::Async::Loop::AnyEvent detected - that module is broken by\n" |
1401 | AnyEvent::log fatal => "IO::Async::Loop::AnyEvent detected - that module is broken by\n" |
1401 | . "design, abuses internals and breaks AnyEvent - will not continue." |
1402 | . "design, abuses internals and breaks AnyEvent - will not continue." |
1402 | if exists $INC{"IO/Async/Loop/AnyEvent.pm"}; |
1403 | if exists $INC{"IO/Async/Loop/AnyEvent.pm"}; |
1403 | |
1404 | |
1404 | local $!; # for good measure |
1405 | local $!; # for good measure |
1405 | local $SIG{__DIE__}; # we use eval |
1406 | local $SIG{__DIE__}; # we use eval |
… | |
… | |
1416 | |
1417 | |
1417 | if ($ENV{PERL_ANYEVENT_MODEL} =~ /^([a-zA-Z0-9:]+)$/) { |
1418 | if ($ENV{PERL_ANYEVENT_MODEL} =~ /^([a-zA-Z0-9:]+)$/) { |
1418 | my $model = $1; |
1419 | my $model = $1; |
1419 | $model = "AnyEvent::Impl::$model" unless $model =~ s/::$//; |
1420 | $model = "AnyEvent::Impl::$model" unless $model =~ s/::$//; |
1420 | if (eval "require $model") { |
1421 | if (eval "require $model") { |
1421 | AnyEvent::log 7 => "loaded model '$model' (forced by \$ENV{PERL_ANYEVENT_MODEL}), using it."; |
1422 | AnyEvent::log 7 => "Loaded model '$model' (forced by \$ENV{PERL_ANYEVENT_MODEL}), using it."; |
1422 | $MODEL = $model; |
1423 | $MODEL = $model; |
1423 | } else { |
1424 | } else { |
1424 | AnyEvent::log 4 => "unable to load model '$model' (from \$ENV{PERL_ANYEVENT_MODEL}):\n$@"; |
1425 | AnyEvent::log 4 => "Unable to load model '$model' (from \$ENV{PERL_ANYEVENT_MODEL}):\n$@"; |
1425 | } |
1426 | } |
1426 | } |
1427 | } |
1427 | |
1428 | |
1428 | # check for already loaded models |
1429 | # check for already loaded models |
1429 | unless ($MODEL) { |
1430 | unless ($MODEL) { |
1430 | for (@REGISTRY, @models) { |
1431 | for (@REGISTRY, @models) { |
1431 | my ($package, $model) = @$_; |
1432 | my ($package, $model) = @$_; |
1432 | if (${"$package\::VERSION"} > 0) { |
1433 | if (${"$package\::VERSION"} > 0) { |
1433 | if (eval "require $model") { |
1434 | if (eval "require $model") { |
1434 | AnyEvent::log 7 => "autodetected model '$model', using it."; |
1435 | AnyEvent::log 7 => "Autodetected model '$model', using it."; |
1435 | $MODEL = $model; |
1436 | $MODEL = $model; |
1436 | last; |
1437 | last; |
1437 | } else { |
1438 | } else { |
1438 | AnyEvent::log 8 => "detected event loop $package, but cannot load '$model', skipping: $@"; |
1439 | AnyEvent::log 8 => "Detected event loop $package, but cannot load '$model', skipping: $@"; |
1439 | } |
1440 | } |
1440 | } |
1441 | } |
1441 | } |
1442 | } |
1442 | |
1443 | |
1443 | unless ($MODEL) { |
1444 | unless ($MODEL) { |
… | |
… | |
1447 | if ( |
1448 | if ( |
1448 | eval "require $package" |
1449 | eval "require $package" |
1449 | and ${"$package\::VERSION"} > 0 |
1450 | and ${"$package\::VERSION"} > 0 |
1450 | and eval "require $model" |
1451 | and eval "require $model" |
1451 | ) { |
1452 | ) { |
1452 | AnyEvent::log 7 => "autoloaded model '$model', using it."; |
1453 | AnyEvent::log 7 => "Autoloaded model '$model', using it."; |
1453 | $MODEL = $model; |
1454 | $MODEL = $model; |
1454 | last; |
1455 | last; |
1455 | } |
1456 | } |
1456 | } |
1457 | } |
1457 | |
1458 | |
1458 | $MODEL |
1459 | $MODEL |
1459 | or AnyEvent::log fatal => "AnyEvent: backend autodetection failed - did you properly install AnyEvent?"; |
1460 | or AnyEvent::log fatal => "Backend autodetection failed - did you properly install AnyEvent?"; |
1460 | } |
1461 | } |
1461 | } |
1462 | } |
1462 | |
1463 | |
1463 | # free memory only needed for probing |
1464 | # free memory only needed for probing |
1464 | undef @models; |
1465 | undef @models; |
… | |
… | |
1611 | # probe for availability of Time::HiRes |
1612 | # probe for availability of Time::HiRes |
1612 | if (eval "use Time::HiRes (); Time::HiRes::time (); 1") { |
1613 | if (eval "use Time::HiRes (); Time::HiRes::time (); 1") { |
1613 | *time = sub { Time::HiRes::time () }; |
1614 | *time = sub { Time::HiRes::time () }; |
1614 | *AE::time = \& Time::HiRes::time ; |
1615 | *AE::time = \& Time::HiRes::time ; |
1615 | *now = \&time; |
1616 | *now = \&time; |
1616 | AnyEvent::log 8 => "AnyEvent: using Time::HiRes for sub-second timing accuracy."; |
1617 | AnyEvent::log 8 => "using Time::HiRes for sub-second timing accuracy."; |
1617 | # if (eval "use POSIX (); (POSIX::times())... |
1618 | # if (eval "use POSIX (); (POSIX::times())... |
1618 | } else { |
1619 | } else { |
1619 | *time = sub { CORE::time }; |
1620 | *time = sub { CORE::time }; |
1620 | *AE::time = sub (){ CORE::time }; |
1621 | *AE::time = sub (){ CORE::time }; |
1621 | *now = \&time; |
1622 | *now = \&time; |
1622 | AnyEvent::log 3 => "using built-in time(), WARNING, no sub-second resolution!"; |
1623 | AnyEvent::log 3 => "Using built-in time(), no sub-second resolution!"; |
1623 | } |
1624 | } |
1624 | }; |
1625 | }; |
1625 | die if $@; |
1626 | die if $@; |
1626 | |
1627 | |
1627 | &time |
1628 | &time |
… | |
… | |
1721 | |
1722 | |
1722 | sub signal { |
1723 | sub signal { |
1723 | eval q{ # poor man's autoloading {} |
1724 | eval q{ # poor man's autoloading {} |
1724 | # probe for availability of Async::Interrupt |
1725 | # probe for availability of Async::Interrupt |
1725 | if (_have_async_interrupt) { |
1726 | if (_have_async_interrupt) { |
1726 | AnyEvent::log 8 => "using Async::Interrupt for race-free signal handling."; |
1727 | AnyEvent::log 8 => "Using Async::Interrupt for race-free signal handling."; |
1727 | |
1728 | |
1728 | $SIGPIPE_R = new Async::Interrupt::EventPipe; |
1729 | $SIGPIPE_R = new Async::Interrupt::EventPipe; |
1729 | $SIG_IO = AE::io $SIGPIPE_R->fileno, 0, \&_signal_exec; |
1730 | $SIG_IO = AE::io $SIGPIPE_R->fileno, 0, \&_signal_exec; |
1730 | |
1731 | |
1731 | } else { |
1732 | } else { |
1732 | AnyEvent::log 8 => "using emulated perl signal handling with latency timer."; |
1733 | AnyEvent::log 8 => "Using emulated perl signal handling with latency timer."; |
1733 | |
1734 | |
1734 | if (AnyEvent::WIN32) { |
1735 | if (AnyEvent::WIN32) { |
1735 | require AnyEvent::Util; |
1736 | require AnyEvent::Util; |
1736 | |
1737 | |
1737 | ($SIGPIPE_R, $SIGPIPE_W) = AnyEvent::Util::portable_pipe (); |
1738 | ($SIGPIPE_R, $SIGPIPE_W) = AnyEvent::Util::portable_pipe (); |
… | |
… | |
2073 | |
2074 | |
2074 | =over 4 |
2075 | =over 4 |
2075 | |
2076 | |
2076 | =item C<PERL_ANYEVENT_VERBOSE> |
2077 | =item C<PERL_ANYEVENT_VERBOSE> |
2077 | |
2078 | |
2078 | By default, AnyEvent will only log messages with loglevel C<3> |
2079 | By default, AnyEvent will log messages with loglevel C<4> (C<error>) or |
2079 | (C<critical>) or higher (see L<AnyEvent::Log>). You can set this |
2080 | higher (see L<AnyEvent::Log>). You can set this environment variable to a |
2080 | environment variable to a numerical loglevel to make AnyEvent more (or |
2081 | numerical loglevel to make AnyEvent more (or less) talkative. |
2081 | less) talkative. |
|
|
2082 | |
2082 | |
2083 | If you want to do more than just set the global logging level |
2083 | If you want to do more than just set the global logging level |
2084 | you should have a look at C<PERL_ANYEVENT_LOG>, which allows much more |
2084 | you should have a look at C<PERL_ANYEVENT_LOG>, which allows much more |
2085 | complex specifications. |
2085 | complex specifications. |
2086 | |
2086 | |
2087 | When set to C<0> (C<off>), then no messages whatsoever will be logged with |
2087 | When set to C<0> (C<off>), then no messages whatsoever will be logged with |
2088 | the default logging settings. |
2088 | everything else at defaults. |
2089 | |
2089 | |
2090 | When set to C<5> or higher (C<warn>), causes AnyEvent to warn about |
2090 | When set to C<5> or higher (C<warn>), AnyEvent warns about unexpected |
2091 | unexpected conditions, such as not being able to load the event model |
2091 | conditions, such as not being able to load the event model specified by |
2092 | specified by C<PERL_ANYEVENT_MODEL>, or a guard callback throwing an |
2092 | C<PERL_ANYEVENT_MODEL>, or a guard callback throwing an exception - this |
2093 | exception - this is the minimum recommended level. |
2093 | is the minimum recommended level for use during development. |
2094 | |
2094 | |
2095 | When set to C<7> or higher (info), cause AnyEvent to report which event model it |
2095 | When set to C<7> or higher (info), AnyEvent reports which event model it |
2096 | chooses. |
2096 | chooses. |
2097 | |
2097 | |
2098 | When set to C<8> or higher (debug), then AnyEvent will report extra information on |
2098 | When set to C<8> or higher (debug), then AnyEvent will report extra |
2099 | which optional modules it loads and how it implements certain features. |
2099 | information on which optional modules it loads and how it implements |
|
|
2100 | certain features. |
2100 | |
2101 | |
2101 | =item C<PERL_ANYEVENT_LOG> |
2102 | =item C<PERL_ANYEVENT_LOG> |
2102 | |
2103 | |
2103 | Accepts rather complex logging specifications. For example, you could log |
2104 | Accepts rather complex logging specifications. For example, you could log |
2104 | all C<debug> messages of some module to stderr, warnings and above to |
2105 | all C<debug> messages of some module to stderr, warnings and above to |
… | |
… | |
2111 | This variable is evaluated when AnyEvent (or L<AnyEvent::Log>) is loaded, |
2112 | This variable is evaluated when AnyEvent (or L<AnyEvent::Log>) is loaded, |
2112 | so will take effect even before AnyEvent has initialised itself. |
2113 | so will take effect even before AnyEvent has initialised itself. |
2113 | |
2114 | |
2114 | Note that specifying this environment variable causes the L<AnyEvent::Log> |
2115 | Note that specifying this environment variable causes the L<AnyEvent::Log> |
2115 | module to be loaded, while C<PERL_ANYEVENT_VERBOSE> does not, so only |
2116 | module to be loaded, while C<PERL_ANYEVENT_VERBOSE> does not, so only |
2116 | using the latter saves a few hundred kB of memory until the first message |
2117 | using the latter saves a few hundred kB of memory unless a module |
2117 | is being logged. |
2118 | explicitly needs the extra features of AnyEvent::Log. |
2118 | |
2119 | |
2119 | =item C<PERL_ANYEVENT_STRICT> |
2120 | =item C<PERL_ANYEVENT_STRICT> |
2120 | |
2121 | |
2121 | AnyEvent does not do much argument checking by default, as thorough |
2122 | AnyEvent does not do much argument checking by default, as thorough |
2122 | argument checking is very costly. Setting this variable to a true value |
2123 | argument checking is very costly. Setting this variable to a true value |
… | |
… | |
2176 | |
2177 | |
2177 | For example, to force the pure perl model (L<AnyEvent::Loop::Perl>) you |
2178 | For example, to force the pure perl model (L<AnyEvent::Loop::Perl>) you |
2178 | could start your program like this: |
2179 | could start your program like this: |
2179 | |
2180 | |
2180 | PERL_ANYEVENT_MODEL=Perl perl ... |
2181 | PERL_ANYEVENT_MODEL=Perl perl ... |
|
|
2182 | |
|
|
2183 | =item C<PERL_ANYEVENT_IO_MODEL> |
|
|
2184 | |
|
|
2185 | The current file I/O model - see L<AnyEvent::IO> for more info. |
|
|
2186 | |
|
|
2187 | At the moment, only C<Perl> (small, pure-perl, synchronous) and |
|
|
2188 | C<IOAIO> (truly asynchronous) are supported. The default is C<IOAIO> if |
|
|
2189 | L<AnyEvent::AIO> can be loaded, otherwise it is C<Perl>. |
2181 | |
2190 | |
2182 | =item C<PERL_ANYEVENT_PROTOCOLS> |
2191 | =item C<PERL_ANYEVENT_PROTOCOLS> |
2183 | |
2192 | |
2184 | Used by both L<AnyEvent::DNS> and L<AnyEvent::Socket> to determine preferences |
2193 | Used by both L<AnyEvent::DNS> and L<AnyEvent::Socket> to determine preferences |
2185 | for IPv4 or IPv6. The default is unspecified (and might change, or be the result |
2194 | for IPv4 or IPv6. The default is unspecified (and might change, or be the result |
… | |
… | |
3004 | L<AnyEvent::Impl::FLTK>. |
3013 | L<AnyEvent::Impl::FLTK>. |
3005 | |
3014 | |
3006 | Non-blocking handles, pipes, stream sockets, TCP clients and |
3015 | Non-blocking handles, pipes, stream sockets, TCP clients and |
3007 | servers: L<AnyEvent::Handle>, L<AnyEvent::Socket>, L<AnyEvent::TLS>. |
3016 | servers: L<AnyEvent::Handle>, L<AnyEvent::Socket>, L<AnyEvent::TLS>. |
3008 | |
3017 | |
|
|
3018 | Asynchronous File I/O: L<AnyEvent::IO>. |
|
|
3019 | |
3009 | Asynchronous DNS: L<AnyEvent::DNS>. |
3020 | Asynchronous DNS: L<AnyEvent::DNS>. |
3010 | |
3021 | |
3011 | Thread support: L<Coro>, L<Coro::AnyEvent>, L<Coro::EV>, L<Coro::Event>. |
3022 | Thread support: L<Coro>, L<Coro::AnyEvent>, L<Coro::EV>, L<Coro::Event>. |
3012 | |
3023 | |
3013 | Nontrivial usage examples: L<AnyEvent::GPSD>, L<AnyEvent::IRC>, |
3024 | Nontrivial usage examples: L<AnyEvent::GPSD>, L<AnyEvent::IRC>, |
… | |
… | |
3015 | |
3026 | |
3016 | |
3027 | |
3017 | =head1 AUTHOR |
3028 | =head1 AUTHOR |
3018 | |
3029 | |
3019 | Marc Lehmann <schmorp@schmorp.de> |
3030 | Marc Lehmann <schmorp@schmorp.de> |
3020 | http://home.schmorp.de/ |
3031 | http://anyevent.schmorp.de |
3021 | |
3032 | |
3022 | =cut |
3033 | =cut |
3023 | |
3034 | |
3024 | 1 |
3035 | 1 |
3025 | |
3036 | |