| 1 | #!/usr/bin/perl |
1 | #!/usr/bin/perl |
| 2 | |
2 | |
| 3 | <<EOF; |
3 | # this crap is an asynchronous finger client. it's rather idiotic ;) |
| 4 | finger |
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| 5 | localhost |
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| 6 | root |
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| 7 | finger |
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| 8 | localhost |
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| 9 | root |
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| 10 | EOF |
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| 11 | |
4 | |
| 12 | use Coro; |
5 | use Coro; |
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6 | use Coro::Socket; |
| 13 | use Coro::Event; |
7 | use Coro::Event; |
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8 | use AnyEvent; |
| 14 | |
9 | |
| 15 | #$Event::DebugLevel = 4; |
10 | my $quit = AnyEvent->condvar; |
| 16 | |
11 | |
| 17 | my $stdin = Coro::Event->io(fd => \*STDIN, poll => 'r'); |
12 | # this gets started everytime a user enters a finger command |
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13 | sub finger { |
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14 | my $user = shift; |
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15 | my $host = shift; |
| 18 | |
16 | |
| 19 | sub finger { |
17 | my $fh = new Coro::Socket PeerHost => $host, PeerPort => "finger" |
| 20 | my $host = shift; |
18 | or die "$user\@$host: $!"; |
| 21 | my $user = shift; |
19 | |
| 22 | use IO::Socket::INET; |
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| 23 | # is there ANY way to do non-blocking connects with IO::Socket::INET? |
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| 24 | # I don't see how... |
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| 25 | my $io = new IO::Socket::INET PeerAddr => "$host:finger"; |
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| 26 | $io or die; |
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| 27 | syswrite $io, "$user\n"; |
20 | print $fh "$user\n"; |
| 28 | my $r = Coro::Event->io(fd => $io, poll => 'r'); |
21 | |
| 29 | my $buf; |
22 | print "$user\@$host: $_" while <$fh>; |
| 30 | $r->next while 0 != sysread $io, $buf, 8192, length $buf; |
23 | print "$user\@$host: done\n"; |
| 31 | #do_timer(after => 5); |
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| 32 | print $buf; |
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| 33 | } |
24 | } |
| 34 | |
25 | |
| 35 | sub kbdline { |
26 | # display the time or garble the display, YMMV. |
| 36 | $stdin->next; |
27 | sub timer : Coro { |
| 37 | my $x = <STDIN>; chomp $x; $x; |
28 | my $w = Coro::Event->timer (interval => 0.001, hard => 1); |
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29 | use Time::HiRes qw(time); |
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30 | while () { |
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31 | $w->next; |
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32 | print "\e7\e[C\e[C\e[C\e[C\e[C\e[C\e[C\e[C <time ", time, "> \e8"; |
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33 | }; |
| 38 | } |
34 | } |
| 39 | |
35 | |
| 40 | sub keyboard : Coro { |
36 | my $stdin = new_from_fh Coro::Handle \*STDIN; |
| 41 | $|=1; |
37 | |
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38 | $SIG{PIPE} = 'IGNORE'; |
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39 | |
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40 | $| = 1; |
| 42 | while() { |
41 | while() { |
| 43 | print "cmd> "; my $cmd = kbdline; |
42 | print "cmd (finger|quit)> "; my $cmd = <$stdin>; chomp $cmd; |
| 44 | if ($cmd eq "finger") { |
43 | if ($cmd eq "finger") { |
| 45 | print "user> "; my $user = kbdline; |
44 | print "user> "; my $user = <$stdin>; chomp $user; |
| 46 | print "host> "; my $host = kbdline; |
45 | print "host> "; my $host = <$stdin>; chomp $host; |
| 47 | async { finger(@_) } $user, $host; |
46 | async { finger $user, $host }; |
| 48 | } elsif ($cmd eq "quit") { |
47 | } elsif ($cmd eq "quit") { |
| 49 | unloop(777); |
48 | $quit->send; |
| 50 | terminate; |
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| 51 | } else { |
49 | } else { |
| 52 | print "enter command, either 'finger' or 'quit'\n"; |
50 | print "unknown command '$cmd', either 'finger' or 'quit'\n"; |
| 53 | } |
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| 54 | } |
51 | } |
| 55 | } |
52 | } |
| 56 | |
53 | |
| 57 | sub timer : Coro { |
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| 58 | my $w = Coro::Event->timer(interval => 0.001, hard => 1); |
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| 59 | use Time::HiRes qw(time); |
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| 60 | while () { |
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| 61 | $w->next; |
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| 62 | print "\e7\e[A\10\10\10 <time ",time,"> \e8"; |
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| 63 | }; |
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| 64 | } |
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| 65 | |
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| 66 | print "unlooped with value: ",loop(),"\n"; |
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| 67 | |
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