X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=scripts%2FRFID-JSONP-server.pl;h=215d6cafa94fe3630131469bf3b95b42772498b2;hb=282b54550a8a651fe528648d40aa7c582d288511;hp=4bec23e44d4a0cd995776b23113f6f49fcc43fff;hpb=39a86abcdffdaabdf9622ed878a1664c85af60e6;p=Biblio-RFID.git

diff --git a/scripts/RFID-JSONP-server.pl b/scripts/RFID-JSONP-server.pl
index 4bec23e..215d6ca 100755
--- a/scripts/RFID-JSONP-server.pl
+++ b/scripts/RFID-JSONP-server.pl
@@ -78,14 +78,36 @@ sub rfid_borrower {
 }
 
 
+sub sip2_socket {
+
+	return $sip2->{sock} if exists $sip2->{sock} && $sip2->{sock}->connected;
+
+	if ( my $server = $sip2->{server} ) {
+		my $sock = $sip2->{sock} = IO::Socket::INET->new( $server ) || die "can't connect to $server: $!";
+		warn "SIP2 server ", $sock->peerhost, ":", $sock->peerport, "\n";
+
+		# login
+		if ( sip2_message("9300CN$sip2->{user}|CO$sip2->{password}|")->{fixed} !~ m/^941/ ) {
+			die "SIP2 login failed";
+		}
+
+	}
+	return $sip2->{sock};
+}
+
 sub sip2_message {
 	my $send = shift;
 
-	my $sock = $sip2->{sock} || die "no sip2 socket";
+	my $retry = 0;
+
+send_again:
+	my $sock = sip2_socket || die "no sip2 socket";
 
 	local $/ = "\r";
 
 	$send .= "\r" unless $send =~ m/\r$/;
+	$send .= "\n" unless $send =~ m/\n$/;
+
 	warn "SIP2 >>>> ",dump($send), "\n";
 	print $sock $send;
 	$sock->flush;
@@ -93,13 +115,24 @@ sub sip2_message {
 	my $expect = substr($send,0,2) | 0x01;
 
 	my $in = <$sock>;
-	$in =~ s/^\n//;
 	warn "SIP2 <<<< ",dump($in), "\n";
 
-	die "expected $expect" unless substr($in,0,2) != $expect;
-
+	$in =~ s/^\n//;
 	$in =~ s/\r$//;
 
+	if ( ! $in ) {
+		$retry++;
+		warn "empty read from SIP server, retry: $retry\n";
+		if ( $retry < 10 ) {
+			close( $sip2->{sock} );
+			goto send_again;
+		}
+		die "aborted";
+	}
+
+
+	die "expected $expect" unless substr($in,0,2) != $expect;
+
 	my $hash;
 	if ( $in =~ s/^([0-9\s]+)// ) {
 		$hash->{fixed} = $1;
@@ -114,16 +147,6 @@ sub sip2_message {
 	return $hash;
 }
 
-if ( my $server = $sip2->{server} ) {
-	my $sock = $sip2->{sock} = IO::Socket::INET->new( $server ) || die "can't connect to $server: $!";
-	warn "SIP2 server ", $sock->peerhost, ":", $sock->peerport, "\n";
-
-	# login
-	if ( sip2_message("9300CN$sip2->{user}|CO$sip2->{password}|")->{fixed} !~ m/^941/ ) {
-		die "SIP2 login failed";
-	}
-
-}
 
 use lib 'lib';
 use Biblio::RFID::RFID501;