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  ()" }
BEGIN { eval "use POSIX  ()" }

open my $fh, ">lib/AnyEvent/constants.pl"
   or die "lib/AnyEvent/constants.pl: $!\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.

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::Base;\n";

# add these purely to avoid loading POSIX, which is slow and bloated.

i WNOHANG    => eval { POSIX::WNOHANG() } || 1;

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

i O_RDONLY   => eval { Fcntl::O_RDONLY() } || 0;
i O_WRONLY   => eval { Fcntl::O_WRONLY() } || 1;
i O_RDWR     => eval { Fcntl::O_RDWR  () } || 2;
i O_CREAT    => eval { Fcntl::O_CREAT () } || 64;
i O_EXCL     => eval { Fcntl::O_EXCL  () } || 128;
i O_TRUNC    => eval { Fcntl::O_TRUNC () } || 512;
i O_APPEND   => eval { Fcntl::O_APPEND() } || 1024;

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:	1.12
Committed:	Sat Sep 22 00:22:59 2012 UTC (11 years, 7 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-7_04, rel-7_03
Changes since 1.11:	+1 -1 lines
Log Message:	fix error message (Zsbán Ambrus)
#	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	1.10	BEGIN { eval "use POSIX ()" }
11	root	1.6
12	root	1.3	open my $fh, ">lib/AnyEvent/constants.pl"
13	root	1.12	or die "lib/AnyEvent/constants.pl: $!\n";
14	root	1.3
15			my $oldstdout = select $fh;
16	root	1.1
17	root	1.7	print "# automatically generated from constants.pl.PL for perl $] built for $Config{archname}\n";
18
19	root	1.1	sub i($$) {
20	root	1.7	print "sub $_[0](){", $_[1]*1, "}\n";
21	root	1.1	}
22
23	root	1.6	sub n($$) {
24	root	1.7	print "sub $_[0](){", (defined $_[1] ? $_[1]*1 : "undef"), "}\n";
25	root	1.6	}
26
27	root	1.1	print "package AnyEvent;\n";
28
29			our $WIN32 = $^O =~ /mswin32/i;
30
31	root	1.7	# used a lot
32	root	1.1	i CYGWIN => $^O =~ /cygwin/i;
33			i WIN32 => $WIN32;
34
35	root	1.7	# add these purely to avoid loading Fcntl, which is slow and bloated.
36	root	1.1
37	root	1.8	i F_SETFD => eval { Fcntl::F_SETFD() } \|\| 2;
38			i F_SETFL => eval { Fcntl::F_SETFL() } \|\| 4;
39			i O_NONBLOCK => eval { Fcntl::O_NONBLOCK() } \|\| 04000;
40			i FD_CLOEXEC => eval { Fcntl::FD_CLOEXEC() } \|\| 1;
41	root	1.1
42	root	1.10	print "package AnyEvent::Base;\n";
43
44			# add these purely to avoid loading POSIX, which is slow and bloated.
45
46			i WNOHANG => eval { POSIX::WNOHANG() } \|\| 1;
47
48	root	1.11	print "package AnyEvent::IO;\n";
49
50			i O_RDONLY => eval { Fcntl::O_RDONLY() } \|\| 0;
51			i O_WRONLY => eval { Fcntl::O_WRONLY() } \|\| 1;
52			i O_RDWR => eval { Fcntl::O_RDWR () } \|\| 2;
53			i O_CREAT => eval { Fcntl::O_CREAT () } \|\| 64;
54			i O_EXCL => eval { Fcntl::O_EXCL () } \|\| 128;
55			i O_TRUNC => eval { Fcntl::O_TRUNC () } \|\| 512;
56			i O_APPEND => eval { Fcntl::O_APPEND() } \|\| 1024;
57
58	root	1.1	print "package AnyEvent::Util;\n";
59
60			# broken windows perls use undocumented error codes...
61			if ($WIN32) {
62			i WSAEINVAL => 10022;
63			i WSAEWOULDBLOCK => 10035;
64			i WSAEINPROGRESS => 10036;
65			} else {
66			# these should never match any errno value
67			i WSAEINVAL => -1e99;
68			i WSAEWOULDBLOCK => -1e99;
69			i WSAEINPROGRESS => -1e99;
70			}
71
72			my $af_inet6;
73
74	root	1.7	$af_inet6 \|\|= eval { Socket::AF_INET6 () }; # where it should be
75			$af_inet6 \|\|= eval { require Socket6; Socket6::AF_INET6() }; # where it actually is ...
76	root	1.1
77	root	1.7	# ... or isn't, because nobody has it installed
78	root	1.1	$af_inet6 \|\|= 10 if $^O =~ /linux/;
79			$af_inet6 \|\|= 23 if $^O =~ /cygwin/i;
80			$af_inet6 \|\|= 23 if AnyEvent::WIN32;
81			$af_inet6 \|\|= 24 if $^O =~ /openbsd\|netbsd/;
82			$af_inet6 \|\|= 28 if $^O =~ /freebsd/;
83
84	root	1.7	#TODO: EDOM/ESPIPE
85			#TODO: maybe move socket stuff to Socket::?
86	root	1.1
87			i _AF_INET6 => $af_inet6;
88			#i AF_UNIX => Socket::AF_UNIX ();
89			#i SOCK_STREAM => Socket::SOCK_STREAM ();
90			#i SOCK_DGRAM => Socket::SOCK_DGRAM ();
91			#i SOL_SOCKET => Socket::SOL_SOCKET ();
92			#i SO_REUSEADDR => Socket::SO_REUSEADDR ();
93			#i SO_KEEPALIVE => Socket::SO_KEEPALIVE ();
94			#i SO_OOBINLINE => Socket::SO_OOBINLINE ();
95			#i IPPROTO_TCP => Socket::IPPROTO_TCP ();
96
97	root	1.7	print "package AnyEvent::Socket;\n";
98
99	root	1.6	# more hardcoded os-specific constants - none
100			# of these are available via any known module, but we
101			# are forward-looking and try Socket:: anyways.
102			my %const;
103
104			while (<DATA>) {
105			my ($os, $name, $default) = split /\s+/;
106
107			$const{$name} \|\|= undef; # make sure it exists
108
109			next unless $os eq $^O;
110
111			my $value = eval "Socket::$name ()";
112			$value = eval $default unless defined $value;
113
114			$const{$name} = $value;
115			}
116
117			for my $k (sort keys %const) {
118			n $k, $const{$k};
119			}
120
121	root	1.1	print "1;\n";
122
123	root	1.3	close $fh;
124			select $oldstdout;
125
126	root	1.6	1
127	root	1.3
128	root	1.6	__DATA__
129			linux TCP_MAXSEG 2
130			linux TCP_CORK 3
131			linux TCP_KEEPIDLE 4
132			linux TCP_KEEPINTVL 5
133			linux TCP_KEEPCNT 6
134			linux TCP_SYNCNT 7
135			linux TCP_LINGER2 8
136			linux TCP_DEFER_ACCEPT 9
137			linux TCP_WINDOW_CLAMP 10
138			linux TCP_INFO 11
139			linux TCP_QUICKACK 12
140			linux TCP_CONGESTION 13
141			linux TCP_MD5SIG 14
142			netbsd TCP_MAXSEG 2
143			netbsd TCP_KEEPIDLE 3
144			netbsd TCP_NOPUSH 4
145			netbsd TCP_KEEPINTVL 5
146			netbsd TCP_KEEPCNT 6
147			netbsd TCP_KEEPINIT 7
148			netbsd TCP_NOOPT 8
149			netbsd TCP_MD5SIG 0x10
150			netbsd TCP_CONGESTION 0x20
151			cygwin TCP_MAXSEG 0x02
152			cygwin TCP_NOPUSH 0x04
153			cygwin TCP_NOOPT 0x08
154			freebsd TCP_MAXSEG 0x02
155			freebsd TCP_NOPUSH 0x04
156			freebsd TCP_NOOPT 0x08
157			freebsd TCP_MD5SIG 0x10
158			freebsd TCP_INFO 0x20
159			freebsd TCP_CONGESTION 0x40
160			solaris TCP_CORK 0x18
161			solaris TCP_LINGER2 0x1C
162			solaris TCP_INIT_CWND 0x15
163			solaris TCP_KEEPALIVE 0x8
164			solaris TCP_MAXSEG 0x02
165			openbsd TCP_MAXSEG 0x02
166			openbsd TCP_MD5SIG 0x04
167			openbsd TCP_SACK_ENABLE 0x08
168			darwin TCP_MAXSEG 0x02
169			darwin TCP_NOPUSH 0x04
170			darwin TCP_NOOPT 0x08
171			darwin TCP_KEEPALIVE 0x10
172			darwin TCP_CONNECTIONTIMEOUT 0x20