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/cvs/Coro/myhttpd/shell.pl
Revision: 1.13
Committed: Wed Aug 15 03:13:36 2001 UTC (22 years, 11 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.12: +2 -1 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.1 # a server command shell
2    
3     use Coro;
4     use Coro::Handle;
5     use Coro::Socket;
6     use Event;
7 root 1.8 use Time::HiRes 'time';
8    
9 root 1.10 use Text::Abbrev;
10    
11 root 1.8 my $last_ts = time;
12 root 1.1
13 root 1.10 my %complete;
14 root 1.12 my @commands = qw(quit squit refresh country restart block info print);
15 root 1.10
16     abbrev \%complete, @commands;
17    
18 root 1.1 sub shell {
19     my $fh = shift;
20    
21     while (defined (print $fh "cmd> "), $_ = <$fh>) {
22 root 1.2 s/\015?\012$//;
23 root 1.10 if (s/^(\S+)\s*// && (my $cmd = $complete{$1})) {
24     if ($cmd eq "quit") {
25 root 1.13 print $fh "bye bye.\n";#d#
26 root 1.10 last;
27     } elsif ($cmd eq "squit") {
28 root 1.13 print $fh "server quit.\n";#d#
29 root 1.10 Event::unloop;
30 root 1.11 last;
31 root 1.12 } elsif ($cmd eq "print") {
32 root 1.11 my @res = eval $_;
33     print $fh "eval: $@\n" if $@;
34     print $fh "RES = ", (join " : ", @res), "\n";
35 root 1.10 } elsif ($cmd eq "block") {
36     print "blocked '$_'\n";#d#
37     $conn::blocked{$_} = time + $::BLOCKTIME;
38     } elsif ($cmd eq "info") {
39     $::NOW = time+1e-6;
40     my @data;
41     for (values %conn::conn) {
42     for (values %$_) {
43     next unless $_;
44     my $rate = sprintf "%.1f", $_->{written} / ($::NOW - $_->{time});
45     push @data, "$_->{country}/$_->{remote_addr} $_->{written} $rate $_->{method} $_->{uri}\n";
46     }
47 root 1.1 }
48 root 1.10 print $fh sort @data;
49     print $fh scalar@data, " ($::conns) connections\n";#d#
50     print $fh "$::written bytes written in the last ",$::NOW - $last_ts, " seconds\n";
51     printf $fh "(%.1f bytes/s)\n", $::written / ($::NOW - $last_ts);
52     ($last_ts, $::written) = ($::NOW, 0);
53     } elsif ($cmd eq "refresh") {
54 root 1.11 do "config.pl";
55     print $fh "config.pl: $@\n" if $@;
56 root 1.10 read_blocklist;
57     } elsif ($cmd eq "restart") {
58     $::RESTART = 1;
59     unloop;
60     print $fh "restarting, cu!\n";
61     last;
62     } elsif ($cmd eq "country") {
63     print $fh ip_request($_), "\n";
64 root 1.1 }
65     } else {
66 root 1.10 print $fh "try one of @commands\n";
67 root 1.1 }
68     }
69     }
70    
71     # bind to tcp port
72     if ($CMDSHELL_PORT) {
73     my $port = new Coro::Socket
74     LocalAddr => "127.0.0.1",
75     LocalPort => $CMDSHELL_PORT,
76     ReuseAddr => 1,
77     Listen => 1,
78     or die "unable to bind cmdshell port: $!";
79 root 1.2
80     push @listen_sockets, $port;
81 root 1.1
82     async {
83 root 1.7 while () {
84     async \&shell, scalar $port->accept;
85     }
86 root 1.1 };
87     }
88    
89     # bind to stdin (debug)
90     if (1) {
91     my $tty;
92     open $tty, "+</dev/tty"
93     and async \&shell, unblock $tty;
94     }
95