AnyEvent/constants.pl.PL

#! perl

# this file is unfortunately only executed at Makefile.PL time

use Config;

# when built as part of perl, these are not available
BEGIN { eval "use Socket ()" }
BEGIN { eval "use Fcntl  ()" }

open my $fh, ">lib/AnyEvent/constants.pl"
   or die "lib/AnyEvent/constants.pl: $_[0]\n";

my $oldstdout = select $fh;

print "# automatically generated from constants.pl.PL for perl $] built for $Config{archname}\n";

sub i($$) {
   print "sub $_[0](){", $_[1]*1, "}\n";
}

sub n($$) {
   print "sub $_[0](){", (defined $_[1] ? $_[1]*1 : "undef"), "}\n";
}

print "package AnyEvent;\n";

our $WIN32 = $^O =~ /mswin32/i;

# used a lot
i CYGWIN => $^O =~ /cygwin/i;
i WIN32  => $WIN32;

# add these purely to avoid loading Fcntl, which is slow and bloated.
use Fcntl ();

i F_SETFD    => eval { Fcntl::F_SETFD() } || 2;
i F_SETFL    => eval { Fcntl::F_SETFL() } || 4;
i O_NONBLOCK => eval { Fcntl::O_NONBLOCK() } || 04000;
i FD_CLOEXEC => eval { Fcntl::FD_CLOEXEC() } || 1;

print "package AnyEvent::Util;\n";

# broken windows perls use undocumented error codes...
if ($WIN32) {
   i WSAEINVAL      => 10022;
   i WSAEWOULDBLOCK => 10035;
   i WSAEINPROGRESS => 10036;
} else {
   # these should never match any errno value
   i WSAEINVAL      => -1e99;
   i WSAEWOULDBLOCK => -1e99;
   i WSAEINPROGRESS => -1e99;
}

my $af_inet6;

$af_inet6 ||= eval {                  Socket::AF_INET6 () }; # where it should be
$af_inet6 ||= eval { require Socket6; Socket6::AF_INET6() }; # where it actually is ...

# ... or isn't, because nobody has it installed
$af_inet6 ||= 10 if $^O =~ /linux/;
$af_inet6 ||= 23 if $^O =~ /cygwin/i;
$af_inet6 ||= 23 if AnyEvent::WIN32;
$af_inet6 ||= 24 if $^O =~ /openbsd|netbsd/;
$af_inet6 ||= 28 if $^O =~ /freebsd/;

#TODO: EDOM/ESPIPE
#TODO: maybe move socket stuff to Socket::?

i _AF_INET6     => $af_inet6;
#i AF_UNIX      => Socket::AF_UNIX ();
#i SOCK_STREAM  => Socket::SOCK_STREAM ();
#i SOCK_DGRAM   => Socket::SOCK_DGRAM ();
#i SOL_SOCKET   => Socket::SOL_SOCKET ();
#i SO_REUSEADDR => Socket::SO_REUSEADDR ();
#i SO_KEEPALIVE => Socket::SO_KEEPALIVE ();
#i SO_OOBINLINE => Socket::SO_OOBINLINE ();
#i IPPROTO_TCP  => Socket::IPPROTO_TCP ();

print "package AnyEvent::Socket;\n";

# more hardcoded os-specific constants - none
# of these are available via any known module, but we
# are forward-looking and try Socket:: anyways.
my %const;

while (<DATA>) {
   my ($os, $name, $default) = split /\s+/;

   $const{$name} ||= undef; # make sure it exists

   next unless $os eq $^O;

   my $value = eval "Socket::$name ()";
   $value = eval $default unless defined $value;

   $const{$name} = $value;
}

for my $k (sort keys %const) {
   n $k, $const{$k};
}

print "1;\n";

close $fh;
select $oldstdout;

1

__DATA__
linux   TCP_MAXSEG      2
linux   TCP_CORK        3
linux   TCP_KEEPIDLE    4
linux   TCP_KEEPINTVL   5
linux   TCP_KEEPCNT     6
linux   TCP_SYNCNT      7
linux   TCP_LINGER2     8
linux   TCP_DEFER_ACCEPT        9
linux   TCP_WINDOW_CLAMP        10
linux   TCP_INFO        11
linux   TCP_QUICKACK    12
linux   TCP_CONGESTION  13
linux   TCP_MD5SIG      14
netbsd  TCP_MAXSEG      2
netbsd  TCP_KEEPIDLE    3
netbsd  TCP_NOPUSH      4
netbsd  TCP_KEEPINTVL   5
netbsd  TCP_KEEPCNT     6
netbsd  TCP_KEEPINIT    7
netbsd  TCP_NOOPT       8
netbsd  TCP_MD5SIG      0x10
netbsd  TCP_CONGESTION  0x20
cygwin  TCP_MAXSEG      0x02
cygwin  TCP_NOPUSH      0x04
cygwin  TCP_NOOPT       0x08
freebsd TCP_MAXSEG      0x02
freebsd TCP_NOPUSH      0x04
freebsd TCP_NOOPT       0x08
freebsd TCP_MD5SIG      0x10
freebsd TCP_INFO        0x20
freebsd TCP_CONGESTION  0x40
solaris TCP_CORK        0x18
solaris TCP_LINGER2     0x1C
solaris TCP_INIT_CWND   0x15
solaris TCP_KEEPALIVE   0x8
solaris TCP_MAXSEG      0x02
openbsd TCP_MAXSEG      0x02
openbsd TCP_MD5SIG      0x04
openbsd TCP_SACK_ENABLE 0x08
darwin  TCP_MAXSEG      0x02
darwin  TCP_NOPUSH      0x04
darwin  TCP_NOOPT       0x08
darwin  TCP_KEEPALIVE   0x10
darwin  TCP_CONNECTIONTIMEOUT   0x20
Revision:	1.8
Committed:	Mon Nov 22 06:32:18 2010 UTC (13 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.7:	+8 -5 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#! perl
2
3	root	1.4	# this file is unfortunately only executed at Makefile.PL time
4
5	root	1.7	use Config;
6	root	1.8
7			# when built as part of perl, these are not available
8			BEGIN { eval "use Socket ()" }
9			BEGIN { eval "use Fcntl ()" }
10	root	1.6
11	root	1.3	open my $fh, ">lib/AnyEvent/constants.pl"
12			or die "lib/AnyEvent/constants.pl: $_[0]\n";
13
14			my $oldstdout = select $fh;
15	root	1.1
16	root	1.7	print "# automatically generated from constants.pl.PL for perl $] built for $Config{archname}\n";
17
18	root	1.1	sub i($$) {
19	root	1.7	print "sub $_[0](){", $_[1]*1, "}\n";
20	root	1.1	}
21
22	root	1.6	sub n($$) {
23	root	1.7	print "sub $_[0](){", (defined $_[1] ? $_[1]*1 : "undef"), "}\n";
24	root	1.6	}
25
26	root	1.1	print "package AnyEvent;\n";
27
28			our $WIN32 = $^O =~ /mswin32/i;
29
30	root	1.7	# used a lot
31	root	1.1	i CYGWIN => $^O =~ /cygwin/i;
32			i WIN32 => $WIN32;
33
34	root	1.7	# add these purely to avoid loading Fcntl, which is slow and bloated.
35	root	1.1	use Fcntl ();
36
37	root	1.8	i F_SETFD => eval { Fcntl::F_SETFD() } \|\| 2;
38			i F_SETFL => eval { Fcntl::F_SETFL() } \|\| 4;
39			i O_NONBLOCK => eval { Fcntl::O_NONBLOCK() } \|\| 04000;
40			i FD_CLOEXEC => eval { Fcntl::FD_CLOEXEC() } \|\| 1;
41	root	1.1
42			print "package AnyEvent::Util;\n";
43
44			# broken windows perls use undocumented error codes...
45			if ($WIN32) {
46			i WSAEINVAL => 10022;
47			i WSAEWOULDBLOCK => 10035;
48			i WSAEINPROGRESS => 10036;
49			} else {
50			# these should never match any errno value
51			i WSAEINVAL => -1e99;
52			i WSAEWOULDBLOCK => -1e99;
53			i WSAEINPROGRESS => -1e99;
54			}
55
56			my $af_inet6;
57
58	root	1.7	$af_inet6 \|\|= eval { Socket::AF_INET6 () }; # where it should be
59			$af_inet6 \|\|= eval { require Socket6; Socket6::AF_INET6() }; # where it actually is ...
60	root	1.1
61	root	1.7	# ... or isn't, because nobody has it installed
62	root	1.1	$af_inet6 \|\|= 10 if $^O =~ /linux/;
63			$af_inet6 \|\|= 23 if $^O =~ /cygwin/i;
64			$af_inet6 \|\|= 23 if AnyEvent::WIN32;
65			$af_inet6 \|\|= 24 if $^O =~ /openbsd\|netbsd/;
66			$af_inet6 \|\|= 28 if $^O =~ /freebsd/;
67
68	root	1.7	#TODO: EDOM/ESPIPE
69			#TODO: maybe move socket stuff to Socket::?
70	root	1.1
71			i _AF_INET6 => $af_inet6;
72			#i AF_UNIX => Socket::AF_UNIX ();
73			#i SOCK_STREAM => Socket::SOCK_STREAM ();
74			#i SOCK_DGRAM => Socket::SOCK_DGRAM ();
75			#i SOL_SOCKET => Socket::SOL_SOCKET ();
76			#i SO_REUSEADDR => Socket::SO_REUSEADDR ();
77			#i SO_KEEPALIVE => Socket::SO_KEEPALIVE ();
78			#i SO_OOBINLINE => Socket::SO_OOBINLINE ();
79			#i IPPROTO_TCP => Socket::IPPROTO_TCP ();
80
81	root	1.7	print "package AnyEvent::Socket;\n";
82
83	root	1.6	# more hardcoded os-specific constants - none
84			# of these are available via any known module, but we
85			# are forward-looking and try Socket:: anyways.
86			my %const;
87
88			while (<DATA>) {
89			my ($os, $name, $default) = split /\s+/;
90
91			$const{$name} \|\|= undef; # make sure it exists
92
93			next unless $os eq $^O;
94
95			my $value = eval "Socket::$name ()";
96			$value = eval $default unless defined $value;
97
98			$const{$name} = $value;
99			}
100
101			for my $k (sort keys %const) {
102			n $k, $const{$k};
103			}
104
105	root	1.1	print "1;\n";
106
107	root	1.3	close $fh;
108			select $oldstdout;
109
110	root	1.6	1
111	root	1.3
112	root	1.6	__DATA__
113			linux TCP_MAXSEG 2
114			linux TCP_CORK 3
115			linux TCP_KEEPIDLE 4
116			linux TCP_KEEPINTVL 5
117			linux TCP_KEEPCNT 6
118			linux TCP_SYNCNT 7
119			linux TCP_LINGER2 8
120			linux TCP_DEFER_ACCEPT 9
121			linux TCP_WINDOW_CLAMP 10
122			linux TCP_INFO 11
123			linux TCP_QUICKACK 12
124			linux TCP_CONGESTION 13
125			linux TCP_MD5SIG 14
126			netbsd TCP_MAXSEG 2
127			netbsd TCP_KEEPIDLE 3
128			netbsd TCP_NOPUSH 4
129			netbsd TCP_KEEPINTVL 5
130			netbsd TCP_KEEPCNT 6
131			netbsd TCP_KEEPINIT 7
132			netbsd TCP_NOOPT 8
133			netbsd TCP_MD5SIG 0x10
134			netbsd TCP_CONGESTION 0x20
135			cygwin TCP_MAXSEG 0x02
136			cygwin TCP_NOPUSH 0x04
137			cygwin TCP_NOOPT 0x08
138			freebsd TCP_MAXSEG 0x02
139			freebsd TCP_NOPUSH 0x04
140			freebsd TCP_NOOPT 0x08
141			freebsd TCP_MD5SIG 0x10
142			freebsd TCP_INFO 0x20
143			freebsd TCP_CONGESTION 0x40
144			solaris TCP_CORK 0x18
145			solaris TCP_LINGER2 0x1C
146			solaris TCP_INIT_CWND 0x15
147			solaris TCP_KEEPALIVE 0x8
148			solaris TCP_MAXSEG 0x02
149			openbsd TCP_MAXSEG 0x02
150			openbsd TCP_MD5SIG 0x04
151			openbsd TCP_SACK_ENABLE 0x08
152			darwin TCP_MAXSEG 0x02
153			darwin TCP_NOPUSH 0x04
154			darwin TCP_NOOPT 0x08
155			darwin TCP_KEEPALIVE 0x10
156			darwin TCP_CONNECTIONTIMEOUT 0x20