| 1 | #!/usr/bin/perl |
1 | #!/usr/bin/perl |
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2 | |
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3 | <<EOF; |
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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 |
| 2 | |
11 | |
| 3 | use Coro; |
12 | use Coro; |
| 4 | use Coro::Event; |
13 | use Coro::Event; |
| 5 | |
14 | |
| 6 | $Event::DebugLevel = 4; |
15 | #$Event::DebugLevel = 4; |
| 7 | |
16 | |
| 8 | my $stdin = Coro::Event->io(fd => \*STDIN, poll => 'r'); |
17 | my $stdin = Coro::Event->io(fd => \*STDIN, poll => 'r'); |
| 9 | |
18 | |
| 10 | sub finger { |
19 | sub finger { |
| 11 | my $host = shift; |
20 | my $host = shift; |
| 12 | my $user = shift; |
21 | my $user = shift; |
| 13 | use IO::Socket::INET; |
22 | use IO::Socket::INET; |
| 14 | # is there ANY way to do non-blocking connects with IO::Socket::INET? |
23 | # is there ANY way to do non-blocking connects with IO::Socket::INET? |
| 15 | # I don't see how... |
24 | # I don't see how... |
| 16 | my $io = new IO::Socket::INET PeerAddr => "$host:finger"; |
25 | my $io = new IO::Socket::INET PeerAddr => "$host:finger"; |
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26 | $io or die; |
| 17 | syswrite $io, "$user\n"; |
27 | syswrite $io, "$user\n"; |
| 18 | #do_timer(after => 5); |
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| 19 | my $r = Coro::Event->io(fd => $io, poll => 'r'); |
28 | my $r = Coro::Event->io(fd => $io, poll => 'r'); |
| 20 | my $buf; |
29 | my $buf; |
| 21 | $r->next while 0 != sysread $io, $buf, 8192, length $buf; |
30 | $r->next while 0 != sysread $io, $buf, 8192, length $buf; |
| 22 | #do_timer(after => 5); |
31 | #do_timer(after => 5); |
| 23 | print $buf; |
32 | print $buf; |
| … | |
… | |
| 33 | while() { |
42 | while() { |
| 34 | print "cmd> "; my $cmd = kbdline; |
43 | print "cmd> "; my $cmd = kbdline; |
| 35 | if ($cmd eq "finger") { |
44 | if ($cmd eq "finger") { |
| 36 | print "user> "; my $user = kbdline; |
45 | print "user> "; my $user = kbdline; |
| 37 | print "host> "; my $host = kbdline; |
46 | print "host> "; my $host = kbdline; |
| 38 | async sub { finger($host, $user) }; |
47 | async { finger(@_) } $user, $host; |
| 39 | } elsif ($cmd eq "quit") { |
48 | } elsif ($cmd eq "quit") { |
| 40 | unloop(777); |
49 | unloop(777); |
| 41 | terminate; |
50 | terminate; |
| 42 | } else { |
51 | } else { |
| 43 | print "enter command, either 'finger' or 'quit'\n"; |
52 | print "enter command, either 'finger' or 'quit'\n"; |
| 44 | } |
53 | } |
| 45 | } |
54 | } |
| 46 | } |
55 | } |
| 47 | |
56 | |
| 48 | sub timer : Coro { |
57 | sub timer : Coro { |
| 49 | my $w = Coro::Event->timer(interval => 0.1, hard => 1); |
58 | my $w = Coro::Event->timer(interval => 0.001, hard => 1); |
| 50 | use Time::HiRes qw(time); |
59 | use Time::HiRes qw(time); |
| 51 | while () { |
60 | while () { |
| 52 | $w->next; |
61 | $w->next; |
| 53 | print "\e7\e[A\10\10\10 <time ",time,"> \e8"; |
62 | print "\e7\e[A\10\10\10 <time ",time,"> \e8"; |
| 54 | }; |
63 | }; |
