X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=scpubgit%2FObject-Remote.git;a=blobdiff_plain;f=lib%2FObject%2FRemote%2FRole%2FConnector%2FPerlInterpreter.pm;h=b26e4a6a7042ea7eee16f0bb04978f72050e70ad;hp=0a7ad67967dc6e150f4db7c3e4550305e95a4e94;hb=9cd7015d3259e4e95d456a5da667fe504de9bcd2;hpb=5add5e29851e82862e4d8f6d67dfce559f6685ce

diff --git a/lib/Object/Remote/Role/Connector/PerlInterpreter.pm b/lib/Object/Remote/Role/Connector/PerlInterpreter.pm
index 0a7ad67..b26e4a6 100644
--- a/lib/Object/Remote/Role/Connector/PerlInterpreter.pm
+++ b/lib/Object/Remote/Role/Connector/PerlInterpreter.pm
@@ -1,6 +1,5 @@
 package Object::Remote::Role::Connector::PerlInterpreter;
 
-use IPC::Open2;
 use IPC::Open3; 
 use IO::Handle;
 use Symbol; 
@@ -14,9 +13,8 @@ use Moo::Role;
 with 'Object::Remote::Role::Connector';
 
 has module_sender => (is => 'lazy');
-has ulimit => ( is => 'ro');
-has nice => ( is => 'ro');
 has watchdog_timeout => ( is => 'ro', required => 1, default => sub { undef });
+has forward_env => (is => 'ro', required => 1, builder => 1);
 has perl_command => (is => 'lazy');
 has pid => (is => 'rwp');
 has connection_id => (is => 'rwp');
@@ -34,29 +32,22 @@ sub _build_module_sender {
   return $hook ? $hook->sender : Object::Remote::ModuleSender->new;
 }
 
+#By policy object-remote does not invoke a shell
 sub _build_perl_command {
-    my ($self) = @_;
-    my $nice = $self->nice;
-    my $ulimit = $self->ulimit;
-    my $perl_path = 'perl';
-    my $shell_code = '';
-
-    if (defined($ulimit)) {
-        $shell_code .= "ulimit $ulimit || exit 1; ";
-    }
-
-    if (defined($nice)) {
-        $shell_code .= "nice -n $nice ";
-    }
-
-    if (defined($ENV{OBJECT_REMOTE_PERL_BIN})) {
-        log_debug { "Using OBJECT_REMOTE_PERL_BIN environment variable as perl path" };
-        $perl_path = $ENV{OBJECT_REMOTE_PERL_BIN};
-    }
-
-    $shell_code .= $perl_path . ' -';
+  my $perl_bin = 'perl';
+  
+  if (exists $ENV{OBJECT_REMOTE_PERL_BIN}) {
+    $perl_bin = $ENV{OBJECT_REMOTE_PERL_BIN};
+  }
+  return [qw(perl -)];
+}
 
-    return [ 'bash', '-c', $shell_code ];
+sub _build_forward_env {
+  return [qw(
+    OBJECT_REMOTE_PERL_BIN
+    OBJECT_REMOTE_LOG_LEVEL OBJECT_REMOTE_LOG_FORMAT OBJECT_REMOTE_LOG_SELECTIONS
+    OBJECT_REMOTE_LOG_FORWARDING
+  )];
 }
 
 around connect => sub {
@@ -174,7 +165,7 @@ sub _setup_watchdog_reset {
   my ($self, $conn) = @_;
   my $timer_id; 
     
-  return unless $self->watchdog_timeout; 
+  return unless $self->watchdog_timeout;
         
   Dlog_trace { "Creating Watchdog management timer for connection id $_" } $conn->_id;
     
@@ -184,18 +175,29 @@ sub _setup_watchdog_reset {
     every => $self->watchdog_timeout / 3,
     code => sub {
       unless(defined($conn)) {
-        log_trace { "Weak reference to connection in Watchdog was lost, terminating update timer $timer_id" };
+        log_warn { "Weak reference to connection in Watchdog was lost, terminating update timer $timer_id" };
         Object::Remote->current_loop->unwatch_time($timer_id);
-        return;  
+        return;
       }
-            
+      
+      unless($conn->is_valid) {
+        log_warn { "Watchdog timer found an invalid connection, removing the timer" };
+        Object::Remote->current_loop->unwatch_time($timer_id);
+        return;
+      }
+      
       Dlog_trace { "Reseting Watchdog for connection id $_" } $conn->_id;
       #we do not want to block in the run loop so send the
       #update off and ignore any result, we don't need it
       #anyway
       $conn->send_class_call(0, 'Object::Remote::WatchDog', 'reset');
     }
-  );     
+  );
+  
+  $conn->on_close->on_ready(sub {
+    log_debug { "Removing watchdog for connection that is now closed" };
+    Object::Remote->current_loop->unwatch_time($timer_id);
+  });
 }
 
 sub fatnode_text {
@@ -216,6 +218,13 @@ sub fatnode_text {
     $text .= "my \$WATCHDOG_TIMEOUT = undef;\n";
   }
   
+  $text .= $self->_create_env_forward(@{$self->forward_env});
+
+  #Action at a distance but at least it's not spooky - the logging
+  #system needs to know if a node is remote but there is a period
+  #during init where the remote connection information has not been
+  #setup on the remote side yet so this flag allows a graceful
+  #degredation to happen
   $text .= '$Object::Remote::FatNode::REMOTE_NODE = "1";' . "\n";
   
   $text .= <<'END';
@@ -233,4 +242,24 @@ END
   return $text;
 }
 
+sub _create_env_forward {
+  my ($self, @env_names) = @_;
+  my $code = '';
+
+  foreach my $name (@env_names) {
+    next unless exists $ENV{$name};
+    my $value = $ENV{$name};
+    $name =~ s/'/\\'/g;
+    if(defined($value)) {
+      $value =~ s/'/\\'/g;
+      $value = "'$value'";
+    } else {
+      $value = 'undef';
+    }
+    $code .= "\$ENV{'$name'} = $value;\n";
+  }
+
+  return $code;
+}
+
 1;