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