From c30a89a0f34e861b9eb136c07ff4ea5ed9a460a0 Mon Sep 17 00:00:00 2001
From: Dirk Koopman <djk@tobit.co.uk>
Date: Sat, 23 May 2020 14:51:09 +0100
Subject: [PATCH] try to fix DXSubprocess errors

That are happening at the EA3CV-2.
Also make sure that an incoming connection's IP address is recorded.
---
 perl/DXSubprocess.pm | 42 +++++++++++++++++++++++++++++++++++++++++-
 perl/Msg.pm          |  4 ++--
 2 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/perl/DXSubprocess.pm b/perl/DXSubprocess.pm
index 44427621..6ff5adae 100644
--- a/perl/DXSubprocess.pm
+++ b/perl/DXSubprocess.pm
@@ -8,6 +8,7 @@ package DXSubprocess;
 
 use DXUtil;
 use DXDebug;
+use DXLog;
 use Mojo::IOLoop;
 use	Mojo::IOLoop::Subprocess;
 use JSON;
@@ -18,6 +19,45 @@ sub new
 {
 	my $pkg = shift;
 	my $class = ref $pkg || __PACKAGE__;
-	my $ref = Mojo::IOLoop::Subprocess->new->serialize(\&encode_json)->deserialize(\&decode_json);
+	my $ref = Mojo::IOLoop::Subprocess->new->serialize(\&freeze)->deserialize(\&thaw);
 	return bless $ref, $class;
 }
+
+sub freeze
+{
+	my $r;
+	my $j = shift;
+	unless ($j) {
+		LogDbg('DXUser', "DXSubcommand::freeze: undefined or empty input");
+		return q{[null, ""]};
+	}
+	
+	eval { $r = encode_json($j) };
+	if ($@) {
+		my $dd = dd($j);
+		LogDbg('DXUser', "DXSubcommand::freeze: json error on '$dd': $@");
+		$r = qq{['$@','']};
+	}
+	return $r;
+}
+
+sub thaw
+{
+	my $r;
+	my $j = shift;
+	unless ($j) {
+		LogDbg('DXUser', "DXSubcommand::thaw: empty string on input");
+		return q{[null, ""]};
+	}
+
+	return [undef, [1]] unless $j; 
+	eval { $r = decode_json($j) };
+	if ($@) {
+		LogDbg('DXUser', "DXSubcommand::thaw: json error on '$j': $@");
+		$r = qq{[$@,[1]]};
+	}
+	return $r;
+}
+1;
+
+	
diff --git a/perl/Msg.pm b/perl/Msg.pm
index 3c4b51f3..5e40d3c2 100644
--- a/perl/Msg.pm
+++ b/perl/Msg.pm
@@ -146,7 +146,7 @@ sub _on_connect
 	$sock->timeout(0);
 	$sock->start;
 	$conn->{peerhost} = eval { $handle->peerhost; };
-	dbg((ref $conn) . " connected $conn->{cnum} to $conn->{peerhost}:$conn->{peerport}") if isdbg('connll');
+	dbg((ref $conn) . " connected $conn->{cnum} to $conn->{peerhost}:$conn->{peerport}") if isdbg('conn') || isdbg ('connect');
 	if ($conn->{on_connect}) {
 		&{$conn->{on_connect}}($conn, $handle);
 	}
@@ -485,7 +485,7 @@ sub new_client {
 	$conn->{peerhost} = $handle->peerhost;
 	$conn->{peerhost} =~ s|^::ffff:||; # chop off leading pseudo IPV6 stuff on dual stack listeners
 	$conn->{peerport} = $handle->peerport;
-	dbg((ref $conn) . " accept $conn->{cnum} from $conn->{peerhost}:$conn->{peerport}") if isdbg('connll');
+	dbg((ref $conn) . " accept $conn->{cnum} from $conn->{peerhost}:$conn->{peerport}") if isdbg('conn') || isdbg('connect');
 	my ($rproc, $eproc) = &{$server_conn->{rproc}} ($conn, $conn->{peerhost}, $conn->{peerport});
 	$conn->{sort} = 'Incoming';
 	if ($eproc) {
-- 
2.34.1