# search local then perl directories
BEGIN {
- # root of directory tree for this system
- $root = "/spider";
- $root = $ENV{'DXSPIDER_ROOT'} if $ENV{'DXSPIDER_ROOT'};
-
- unshift @INC, "$root/perl"; # this IS the right way round!
- unshift @INC, "$root/local";
+ # root of directory tree for this system
+ $root = "/spider";
+ $root = $ENV{'DXSPIDER_ROOT'} if $ENV{'DXSPIDER_ROOT'};
+
+ unshift @INC, "$root/perl"; # this IS the right way round!
+ unshift @INC, "$root/local";
}
use Msg;
use DXVars;
+use DXDebug;
+use IO::Socket;
+use IPC::Open2;
+use FileHandle;
use Carp;
-$mode = 2; # 1 - \n = \r as EOL, 2 - \n = \n, 0 - transparent
-$call = ""; # the callsign being used
-@stdoutq = (); # the queue of stuff to send out to the user
-$conn = 0; # the connection object for the cluster
-$lastbit = ""; # the last bit of an incomplete input line
-$mynl = "\n"; # standard terminator
-$lasttime = time; # lasttime something happened on the interface
-$outqueue = ""; # the output queue length
-$buffered = 1; # buffer output
-$savenl = ""; # an NL that has been saved from last time
-
# cease communications
sub cease
{
- my $sendz = shift;
- if (defined $conn && $sendz) {
- $conn->send_now("Z$call|bye...\n");
- }
- STDOUT->flush;
- sleep(2);
- exit(0);
+ my $sendz = shift;
+ if ($conn && $sendz) {
+ $conn->send_now("Z$call|bye...\n");
+ }
+ $stdout->flush;
+ kill(15, $pid) if $pid;
+ sleep(1);
+ exit(0);
}
# terminate program from signal
sub sig_term
{
- cease(1);
+ cease(1);
}
# terminate a child
sub sig_chld
{
- $SIG{CHLD} = \&sig_chld;
- $waitedpid = wait;
+ $SIG{CHLD} = \&sig_chld;
+ $waitedpid = wait;
}
sub setmode
{
- if ($mode == 1) {
- $mynl = "\r";
- } else {
- $mynl = "\n";
- }
- $/ = $mynl;
+ if ($mode == 1) {
+ $mynl = "\r";
+ } else {
+ $mynl = "\n";
+ }
+ $/ = $mynl;
}
# handle incoming messages
sub rec_socket
{
- my ($con, $msg, $err) = @_;
- if (defined $err && $err) {
- cease(1);
- }
- if (defined $msg) {
- my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/;
-
- if ($sort eq 'D') {
- my $snl = $mynl;
- my $newsavenl = "";
- $snl = "" if $mode == 0;
- if ($mode == 2 && $line =~ />$/) {
- $newsavenl = $snl;
- $snl = ' ';
- }
- $line =~ s/\n/\r/og if $mode == 1;
- #my $p = qq($line$snl);
- if ($buffered) {
- if (length $outqueue >= 128) {
- print $outqueue;
- $outqueue = "";
- }
- $outqueue .= "$savenl$line$snl";
- $lasttime = time;
- } else {
- print $savenl, $line, $snl;;
- }
- $savenl = $newsavenl;
- } elsif ($sort eq 'M') {
- $mode = $line; # set new mode from cluster
- setmode();
- } elsif ($sort eq 'B') {
- if ($buffered && $outqueue) {
- print $outqueue;
- $outqueue = "";
- }
- $buffered = $line; # set buffered or unbuffered
- } elsif ($sort eq 'Z') { # end, disconnect, go, away .....
- cease(0);
- }
- }
- $lasttime = time;
+ my ($con, $msg, $err) = @_;
+ if (defined $err && $err) {
+ cease(1);
+ }
+ if (defined $msg) {
+ my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/;
+
+ if ($sort eq 'D') {
+ my $snl = $mynl;
+ my $newsavenl = "";
+ $snl = "" if $mode == 0;
+ if ($mode == 2 && $line =~ />$/) {
+ $newsavenl = $snl;
+ $snl = ' ';
+ }
+ $line =~ s/\n/\r/og if $mode == 1;
+ #my $p = qq($line$snl);
+ if ($buffered) {
+ if (length $outqueue >= 128) {
+ print $stdout $outqueue;
+ $outqueue = "";
+ }
+ $outqueue .= "$savenl$line$snl";
+ $lasttime = time;
+ } else {
+ print $stdout $savenl, $line, $snl;;
+ }
+ $savenl = $newsavenl;
+ } elsif ($sort eq 'M') {
+ $mode = $line; # set new mode from cluster
+ setmode();
+ } elsif ($sort eq 'B') {
+ if ($buffered && $outqueue) {
+ print $stdout $outqueue;
+ $outqueue = "";
+ }
+ $buffered = $line; # set buffered or unbuffered
+ } elsif ($sort eq 'Z') { # end, disconnect, go, away .....
+ cease(0);
+ }
+ }
+ $lasttime = time;
}
sub rec_stdin
{
- my ($fh) = @_;
- my $buf;
- my @lines;
- my $r;
- my $first;
- my $dangle = 0;
-
- $r = sysread($fh, $buf, 1024);
-# print "sys: $r $buf";
- if ($r > 0) {
- if ($mode) {
- $buf =~ s/\r/\n/og if $mode == 1;
- $dangle = !($buf =~ /\n$/);
- if ($buf eq "\n") {
- @lines = (" ");
- } else {
- @lines = split /\n/, $buf;
- }
- if ($dangle) { # pull off any dangly bits
- $buf = pop @lines;
- } else {
- $buf = "";
- }
- $first = shift @lines;
- unshift @lines, ($lastbit . $first) if ($first);
- foreach $first (@lines) {
- $conn->send_now("D$call|$first");
- }
- $lastbit = $buf;
- $savenl = ""; # reset savenl 'cos we will have done a newline on input
+ my ($fh) = @_;
+ my $buf;
+ my @lines;
+ my $r;
+ my $first;
+ my $dangle = 0;
+
+ $r = sysread($fh, $buf, 1024);
+ # my $prbuf;
+ # $prbuf = $buf;
+ # $prbuf =~ s/\r/\\r/;
+ # $prbuf =~ s/\n/\\n/;
+ # print "sys: $r ($prbuf)\n";
+ if ($r > 0) {
+ if ($mode) {
+ $buf =~ s/\r/\n/og if $mode == 1;
+ $dangle = !($buf =~ /\n$/);
+ if ($buf eq "\n") {
+ @lines = (" ");
+ } else {
+ @lines = split /\n/, $buf;
+ }
+ if ($dangle) { # pull off any dangly bits
+ $buf = pop @lines;
+ } else {
+ $buf = "";
+ }
+ $first = shift @lines;
+ unshift @lines, ($lastbit . $first) if ($first);
+ foreach $first (@lines) {
+ # print "send_now $call $first\n";
+ $conn->send_now("D$call|$first");
+ }
+ $lastbit = $buf;
+ $savenl = ""; # reset savenl 'cos we will have done a newline on input
+ } else {
+ $conn->send_now("D$call|$buf");
+ }
+ } elsif ($r == 0) {
+ cease(1);
+ }
+ $lasttime = time;
+}
+
+sub doconnect
+{
+ my ($sort, $line) = @_;
+ dbg('connect', "CONNECT sort: $sort command: $line");
+ if ($sort eq 'telnet') {
+ # this is a straight network connect
+ my ($host) = $line =~ /host\s+(\w+)/o;
+ my ($port) = $line =~ /port\s+(\d+)/o;
+ $port = 23 if !$port;
+
+ $sock = IO::Socket::INET->new(PeerAddr => "$host", PeerPort => "$port", Proto => 'tcp')
+ or die "Can't connect to $host port $port $!";
+
+ } elsif ($sort eq 'ax25') {
+ my @args = split /\s+/, $line;
+ $rfh = new FileHandle;
+ $wfh = new FileHandle;
+ $pid = open2($rfh, $wfh, "$line") or die "can't do $line $!";
+ dbg('connect', "got pid $pid");
+ $wfh->autoflush(1);
} else {
- $conn->send_now("D$call|$buf");
+ die "invalid type of connection ($sort)";
}
- } elsif ($r == 0) {
- cease(1);
- }
- $lasttime = time;
+ $csort = $sort;
+}
+
+sub doabort
+{
+ my $string = shift;
+ dbg('connect', "abort $string");
+ $abort = $string;
}
+sub dotimeout
+{
+ my $val = shift;
+ dbg('connect', "timeout set to $val");
+ $timeout = $val;
+}
+
+sub dochat
+{
+ my ($expect, $send) = @_;
+ dbg('connect', "CHAT \"$expect\" -> \"$send\"");
+ my $line;
+
+ # alarm($timeout);
+
+ if ($expect) {
+ if ($csort eq 'telnet') {
+ $line = <$sock>;
+ chomp;
+ } elsif ($csort eq 'ax25') {
+ local $/ = "\r";
+ $line = <$rfh>;
+ $line =~ s/\r//og;
+ }
+ dbg('connect', "received \"$line\"");
+ if ($abort && $line =~ /$abort/i) {
+ dbg('connect', "aborted on /$abort/");
+ cease(11);
+ }
+ }
+ if ($send && (!$expect || $line =~ /$expect/i)) {
+ if ($csort eq 'telnet') {
+ $sock->print("$send\n");
+ } elsif ($csort eq 'ax25') {
+ local $\ = "\r";
+ $wfh->print("$send\r");
+ }
+ dbg('connect', "sent \"$send\"");
+ }
+}
+
+sub timeout
+{
+ dbg('connect', "timed out after $timeout seconds");
+ cease(10);
+}
+
+
+#
+# initialisation
+#
+
+$mode = 2; # 1 - \n = \r as EOL, 2 - \n = \n, 0 - transparent
+$call = ""; # the callsign being used
+@stdoutq = (); # the queue of stuff to send out to the user
+$conn = 0; # the connection object for the cluster
+$lastbit = ""; # the last bit of an incomplete input line
+$mynl = "\n"; # standard terminator
+$lasttime = time; # lasttime something happened on the interface
+$outqueue = ""; # the output queue length
+$buffered = 1; # buffer output
+$savenl = ""; # an NL that has been saved from last time
+$timeout = 30; # default timeout for connects
+$abort = ""; # the current abort string
+$cpath = "$root/connect"; # the basic connect directory
+
+$pid = 0; # the pid of the child program
+$csort = ""; # the connection type
+$sock = 0; # connection socket
+
+$stdin = *STDIN;
+$stdout = *STDOUT;
+$rfh = 0;
+$wfh = 0;
+
+
+#
+# deal with args
+#
+
$call = uc shift @ARGV;
$call = uc $myalias if !$call;
$connsort = lc shift @ARGV;
$connsort = 'local' if !$connsort;
-$mode = ($connsort =~ /^ax/o) ? 1 : 2;
-
-# is this an out going connection?
-if ($ARGV[0] eq "connect") {
- shift @ARGV; # lose the keyword
-
-}
+$mode = ($connsort =~ /^ax/o) ? 1 : 2;
setmode();
+
if ($call eq $mycall) {
- print "You cannot connect as your cluster callsign ($mycall)", $nl;
- cease(0);
+ print $stdout "You cannot connect as your cluster callsign ($mycall)", $nl;
+ cease(0);
}
-#select STDOUT; $| = 1;
-STDOUT->autoflush(1);
+$stdout->autoflush(1);
$SIG{'INT'} = \&sig_term;
$SIG{'TERM'} = \&sig_term;
-$SIG{'HUP'} = \&sig_term;
+$SIG{'HUP'} = 'IGNORE';
$SIG{'CHLD'} = \&sig_chld;
+dbgadd('connect');
+
+# is this an out going connection?
+if ($connsort eq "connect") {
+ my $mcall = lc $call;
+
+ open(IN, "$cpath/$mcall") or cease(2);
+ @in = <IN>;
+ close IN;
+
+ # alarm($timeout);
+
+ for (@in) {
+ chomp;
+ next if /^\s*\#/o;
+ next if /^\s*$/o;
+ doconnect($1, $2) if /^\s*co\w*\s+(\w+)\s+(.*)$/io;
+ doabort($1) if /^\s*a\w*\s+(.*)/io;
+ dotimeout($1) if /^\s*t\w*\s+(\d+)/io;
+ dochat($1, $2) if /\s*\'(.*)\'\s+\'(.*)\'/io;
+ }
+
+ dbg('connect', "Connected to $call, starting normal protocol");
+ dbgsub('connect');
+
+ # if we get here we are connected
+ if ($csort eq 'ax25') {
+ # open(STDIN, "<&R");
+ # open(STDOUT, ">&W");
+ # close R;
+ # close W;
+ $stdin = $rfh;
+ $stdout = $wfh;
+ } elsif ($csort eq 'telnet') {
+ # open(STDIN, "<&$sock");
+ # open(STDOUT, ">&$sock");
+ # close $sock;
+ $stdin = $sock;
+ $stdout = $sock;
+ }
+ alarm(0);
+ $outbound = 1;
+ $connsort = $csort;
+ $stdout->autoflush(1);
+ close STDIN;
+ close STDOUT;
+ close STDERR;
+
+
+ $mode = ($connsort =~ /^ax/o) ? 1 : 2;
+ setmode();
+}
+
+setmode();
+
$conn = Msg->connect("$clusteraddr", $clusterport, \&rec_socket);
if (! $conn) {
- if (-r "$data/offline") {
- open IN, "$data/offline" or die;
- while (<IN>) {
- s/\n/\r/og if $mode == 1;
- print;
+ if (-r "$data/offline") {
+ open IN, "$data/offline" or die;
+ while (<IN>) {
+ s/\n/\r/og if $mode == 1;
+ print $stdout;
+ }
+ close IN;
+ } else {
+ print $stdout "Sorry, the cluster $mycall is currently off-line", $mynl;
}
- close IN;
- } else {
- print "Sorry, the cluster $mycall is currently off-line", $mynl;
- }
- cease(0);
+ cease(0);
}
-$conn->send_now("A$call|$connsort");
-Msg->set_event_handler(\*STDIN, "read" => \&rec_stdin);
+$let = $outbound ? 'O' : 'A';
+$conn->send_now("$let$call|$connsort");
+Msg->set_event_handler($stdin, "read" => \&rec_stdin);
for (;;) {
- my $t;
- Msg->event_loop(1, 0.010);
- $t = time;
- if ($t > $lasttime) {
- if ($outqueue) {
- print $outqueue;
- $outqueue = "";
+ my $t;
+ Msg->event_loop(1, 0.010);
+ $t = time;
+ if ($t > $lasttime) {
+ if ($outqueue) {
+ print $stdout $outqueue;
+ $outqueue = "";
+ }
+ $lasttime = $t;
}
- $lasttime = $t;
- }
}
projects / spider.git / blobdiff