add a first cut at an incoming only AGW engine shim for M$

[spider.git] / perl / Msg.pm

diff --git a/perl/Msg.pm b/perl/Msg.pm
index ec07d61da6878851f6b8f11f19aba403e5729cbd..e167269363d6f674ac24a016ce2fbabea51a7c0b 100644 (file)
--- a/perl/Msg.pm
+++ b/perl/Msg.pm
@@ -66,6 +66,7 @@ sub new
                lineend => "\r\n",
                csort => 'telnet',
                timeval => 60,
+               blocking => 0,
     };
 
        $noconns++;
@@ -154,7 +155,11 @@ sub connect {
        my $proto = getprotobyname('tcp');
        $sock->socket(AF_INET, SOCK_STREAM, $proto) or return undef;
        
-       blocking($sock, 0);
+       if ($conn->{blocking}) {
+               blocking($sock, 0);
+               $conn->{blocking} = 0;
+       }
+
        my $ip = gethostbyname($to_host);
 #      my $r = $sock->connect($to_port, $ip);
        my $r = connect($sock, pack_sockaddr_in($to_port, $ip));
@@ -235,7 +240,10 @@ sub _send {
     # return to the event loop only after every message, or if it
     # is likely to block in the middle of a message.
 
-       blocking($sock, $flush);
+       if ($conn->{blocking} != $flush) {
+               blocking($sock, $flush);
+               $conn->{blocking} = $flush;
+       }
     my $offset = (exists $conn->{send_offset}) ? $conn->{send_offset} : 0;
 
     while (@$rq) {
@@ -354,7 +362,10 @@ sub _rcv {                     # Complement to _send
     return unless defined($sock);
 
        my @lines;
-       blocking($sock, 0);
+       if ($conn->{blocking}) {
+               blocking($sock, 0);
+               $conn->{blocking} = 0;
+       }
        $bytes_read = sysread ($sock, $msg, 1024, 0);
        if (defined ($bytes_read)) {
                if ($bytes_read > 0) {
@@ -413,6 +424,7 @@ sub close_all_clients
        }
 }
 
+#
 #----------------------------------------------------
 # Event loop routines used by both client and server
 
@@ -480,6 +492,15 @@ sub event_loop {
     }
 }
 
+sub sleep
+{
+       my ($pkg, $interval) = @_;
+       my $now = time;
+       while (time - $now < $interval) {
+               $pkg->event_loop(10, 0.01);
+       }
+}
+
 sub DESTROY
 {
        my $conn = shift;