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#!/usr/bin/perl |
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|
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# useless stuff |
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|
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use Coro; |
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use Coro::Event; |
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|
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my $stdin = Coro::Event->io(fd => \*STDIN, poll => 'r'); |
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|
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# this gets started everytime a user enters a finger command |
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sub finger { |
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my $user = shift; |
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my $host = shift; |
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use IO::Socket::INET; |
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# is there ANY way to do non-blocking connects with IO::Socket::INET? |
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# I don't see how... |
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my $io = new IO::Socket::INET PeerAddr => "$host:finger"; |
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$io or die; |
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syswrite $io, "$user\n"; |
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my $r = Coro::Event->io(fd => $io, poll => 'r'); |
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my $buf; |
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$r->next while 0 != sysread $io, $buf, 8192, length $buf; |
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#do_timer(after => 5); |
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print $buf; |
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} |
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|
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# this reads one line from the keyboard |
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sub kbdline { |
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$stdin->next; |
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my $x = <STDIN>; chomp $x; $x; |
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} |
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|
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# this is the main task |
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sub keyboard : Coro { |
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$|=1; |
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while() { |
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print "cmd> "; my $cmd = kbdline; |
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if ($cmd eq "finger") { |
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print "user> "; my $user = kbdline; |
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print "host> "; my $host = kbdline; |
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async { finger(@_) } $user, $host; |
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} elsif ($cmd eq "quit") { |
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unloop(777); |
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terminate; |
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} else { |
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print "enter command, either 'finger' or 'quit'\n"; |
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} |
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} |
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} |
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|
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# display the time or garble the display, YMMV. |
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sub timer : Coro { |
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my $w = Coro::Event->timer(interval => 0.001, hard => 1); |
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use Time::HiRes qw(time); |
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while () { |
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$w->next; |
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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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}; |
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} |
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|
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print "unlooped with value: ",loop(),"\n"; |
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