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/cvs/Coro/myhttpd/shell.pl
Revision: 1.11
Committed: Tue Aug 14 14:56:22 2001 UTC (22 years, 10 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.10: +8 -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 1.11 my @commands = qw(quit squit refresh country restart block info eval);
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     print "bye bye.\n";#d#
26     last;
27     } elsif ($cmd eq "squit") {
28     Event::unloop;
29 root 1.11 last;
30     } elsif ($cmd eq "eval") {
31     my @res = eval $_;
32     print $fh "eval: $@\n" if $@;
33     print $fh "RES = ", (join " : ", @res), "\n";
34 root 1.10 } elsif ($cmd eq "block") {
35     print "blocked '$_'\n";#d#
36     $conn::blocked{$_} = time + $::BLOCKTIME;
37     } elsif ($cmd eq "info") {
38     $::NOW = time+1e-6;
39     my @data;
40     for (values %conn::conn) {
41     for (values %$_) {
42     next unless $_;
43     my $rate = sprintf "%.1f", $_->{written} / ($::NOW - $_->{time});
44     push @data, "$_->{country}/$_->{remote_addr} $_->{written} $rate $_->{method} $_->{uri}\n";
45     }
46 root 1.1 }
47 root 1.10 print $fh sort @data;
48     print $fh scalar@data, " ($::conns) connections\n";#d#
49     print $fh "$::written bytes written in the last ",$::NOW - $last_ts, " seconds\n";
50     printf $fh "(%.1f bytes/s)\n", $::written / ($::NOW - $last_ts);
51     ($last_ts, $::written) = ($::NOW, 0);
52     } elsif ($cmd eq "refresh") {
53 root 1.11 do "config.pl";
54     print $fh "config.pl: $@\n" if $@;
55 root 1.10 read_blocklist;
56     } elsif ($cmd eq "restart") {
57     $::RESTART = 1;
58     unloop;
59     print $fh "restarting, cu!\n";
60     last;
61     } elsif ($cmd eq "country") {
62     print $fh ip_request($_), "\n";
63 root 1.1 }
64     } else {
65 root 1.10 print $fh "try one of @commands\n";
66 root 1.1 }
67     }
68     }
69    
70     # bind to tcp port
71     if ($CMDSHELL_PORT) {
72     my $port = new Coro::Socket
73     LocalAddr => "127.0.0.1",
74     LocalPort => $CMDSHELL_PORT,
75     ReuseAddr => 1,
76     Listen => 1,
77     or die "unable to bind cmdshell port: $!";
78 root 1.2
79     push @listen_sockets, $port;
80 root 1.1
81     async {
82 root 1.7 while () {
83     async \&shell, scalar $port->accept;
84     }
85 root 1.1 };
86     }
87    
88     # bind to stdin (debug)
89     if (1) {
90     my $tty;
91     open $tty, "+</dev/tty"
92     and async \&shell, unblock $tty;
93     }
94