Final catch for the IPC loop.

src/websocketd.cr

@@ -382,50 +382,54 @@ end
 Context.service.base_timer = Context.timer_delay
 
 Context.service.loop do |event|
-	case event
-	when IPC::Event::Timer
-		Log.info "IPC::Event::Timer"
-		sending_ping_messages
-	when IPC::Event::Connection
-		Log.debug "IPC::Event::Connection: #{event.fd}"
+	begin
+		case event
+		when IPC::Event::Timer
+			Log.info "IPC::Event::Timer"
+			sending_ping_messages
+		when IPC::Event::Connection
+			Log.debug "IPC::Event::Connection: #{event.fd}"
 
-	when IPC::Event::Disconnection
-		Log.debug "IPC::Event::Disconnection: #{event.fd}"
+		when IPC::Event::Disconnection
+			Log.debug "IPC::Event::Disconnection: #{event.fd}"
 
-	when IPC::Event::ExtraSocket
-		Log.debug "IPC::Event::ExtraSocket: #{event.fd}"
+		when IPC::Event::ExtraSocket
+			Log.debug "IPC::Event::ExtraSocket: #{event.fd}"
 
-		# 1. accept new websocket clients
-		if server.fd == event.fd
-			client = server.accept
-			begin
-				websocket_client_connection client
-				Log.info "new client: #{client.fd}"
-			rescue e
-				Log.error "Exception: #{e}"
-				client.close
+			# 1. accept new websocket clients
+			if server.fd == event.fd
+				client = server.accept
+				begin
+					websocket_client_connection client
+					Log.info "new client: #{client.fd}"
+				rescue e
+					Log.error "Exception: #{e}"
+					client.close
+				end
+				next
 			end
-			next
+
+			# 2. active fd != server fd
+			activefd = event.fd
+			if activefd <= 0
+				Log.error "faulty activefd: #{activefd}"
+			end
+			websocket_switching_procedure activefd
+
+		when IPC::Event::Switch
+			Log.debug "IPC::Event::Switch: from fd #{event.fd}"
+			raise "Not implemented."
+
+		# IPC::Event::Message has to be the last entry
+		# because ExtraSocket and Switch inherit from Message class
+		when IPC::Event::MessageSent
+			Log.error "IPC::Event::MessageSent: #{event.fd}"
+
+		when IPC::Event::MessageReceived
+			Log.debug "IPC::Event::MessageReceived: #{event.fd}"
+			raise "Not implemented."
 		end
-
-		# 2. active fd != server fd
-		activefd = event.fd
-		if activefd <= 0
-			Log.error "faulty activefd: #{activefd}"
-		end
-		websocket_switching_procedure activefd
-
-	when IPC::Event::Switch
-		Log.debug "IPC::Event::Switch: from fd #{event.fd}"
-		raise "Not implemented."
-
-	# IPC::Event::Message has to be the last entry
-	# because ExtraSocket and Switch inherit from Message class
-	when IPC::Event::MessageSent
-		Log.error "IPC::Event::MessageSent: #{event.fd}"
-
-	when IPC::Event::MessageReceived
-		Log.debug "IPC::Event::MessageReceived: #{event.fd}"
-		raise "Not implemented."
+	rescue e
+		Log.error "IPC loop final catch: #{e}"
 	end
 end