From fce6ad4c30b15b4284a94e7a00e084bf18748cf2 Mon Sep 17 00:00:00 2001
From: wjaniszewski <wjaniszewski@13f79535-47bb-0310-9956-ffa450edef68>
Date: Fri, 20 Mar 2009 14:23:51 +0000
Subject: Added configurable timeout and cookies for service bindings.
 Consequence is that one SCA-Erlang node is created excusively for one service
 binding, so service bindings cannot share the same value in 'node' attribute
 like it was before. Made some other fixes.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@756480 13f79535-47bb-0310-9956-ffa450edef68
---
 .../sca/binding/erlang/impl/ErlangNode.java        | 87 +++++++---------------
 1 file changed, 26 insertions(+), 61 deletions(-)

(limited to 'sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangNode.java')

diff --git a/sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangNode.java b/sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangNode.java
index beeec9fffb..94bac31809 100644
--- a/sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangNode.java
+++ b/sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/ErlangNode.java
@@ -46,16 +46,15 @@ public class ErlangNode implements Runnable {
 	private static final Logger logger = Logger.getLogger(ErlangNode.class
 			.getName());
 
-	private Map<String, ErlangNodeElement> erlangModules = new HashMap<String, ErlangNodeElement>();
-	private ErlangNodeElement erlangMbox;
-	private boolean mboxNode;
+	private ErlangNodeElement nodeElement;
 	private String name;
 	private OtpSelf self;
 	private ExecutorService executors;
 	private boolean stopRequested;
 	private Map<String, List<Operation>> groupedOperations;
 
-	public ErlangNode(String name) throws Exception {
+	public ErlangNode(String name, ErlangBinding binding,
+			RuntimeComponentService service) throws Exception {
 		this.name = name;
 		self = new OtpSelf(name);
 		boolean registered = self.publishPort();
@@ -64,9 +63,13 @@ public class ErlangNode implements Runnable {
 			throw new ErlangException(
 					"Problem with publishing service under epmd server.");
 		}
+		if (binding.hasCookie()) {
+			self.setCookie(binding.getCookie());
+		}
+		registerBinding(binding, service);
 	}
 
-	private void stop() {
+	public void stop() {
 		stopRequested = true;
 		executors.shutdownNow();
 	}
@@ -78,76 +81,38 @@ public class ErlangNode implements Runnable {
 			try {
 				OtpConnection connection = self.accept();
 				executors.execute(new ServiceExecutor(connection,
-						groupedOperations, erlangModules, erlangMbox, name));
+						groupedOperations, nodeElement, name));
 			} catch (IOException e) {
 				// TODO: externalzie message?
 				logger.log(Level.WARNING,
 						"Error occured while accepting connection on '" + name
-								+ "' node");
+								+ "' node", e);
 			} catch (OtpAuthException e) {
-				// TODO: log bad authentication attempt
+				// TODO: externalize message?
+				logger.log(Level.WARNING, "Error while authenticating client", e);
 			}
 		}
 	}
 
-	public void registerBinding(ErlangBinding binding,
+	private void registerBinding(ErlangBinding binding,
 			RuntimeComponentService service) throws ErlangException {
 		if (binding.isMbox()) {
-			if (mboxNode) {
-				// TODO: externalize message?
-				// NOTE: if mbox registered more than once for node then
-				// exception will be thrown
-				throw new ErlangException("Node " + binding.getNode()
-						+ " already defined as mbox node");
-			} else {
-				List<Operation> operations = service.getInterfaceContract()
-						.getInterface().getOperations();
-				groupedOperations = new HashMap<String, List<Operation>>();
-				for (Operation operation : operations) {
-					List<Operation> operationsGroup = groupedOperations
-							.get(operation.getName());
-					if (operationsGroup == null) {
-						operationsGroup = new ArrayList<Operation>();
-						groupedOperations.put(operation.getName(),
-								operationsGroup);
-					}
-					operationsGroup.add(operation);
-				}
-				mboxNode = true;
-				erlangMbox = new ErlangNodeElement();
-				erlangMbox.setService(service);
-				erlangMbox.setBinding(binding);
-			}
-		} else {
-			if (erlangModules.containsKey(binding.getModule())) {
-				// TODO: externalize message?
-				// NOTE: if the same module was registered more than once than
-				// exception will be thrown
-				throw new ErlangException("Module " + binding.getModule()
-						+ " already defined under " + name
-						+ " node. Duplicate module won't be started");
-			} else {
-				if (erlangModules.size() == 0) {
-					// NOTE: Erlang node is managing it's thread by itself. Just noticing.
-					Thread selfThread = new Thread(this);
-					selfThread.start();
+			List<Operation> operations = service.getInterfaceContract()
+					.getInterface().getOperations();
+			groupedOperations = new HashMap<String, List<Operation>>();
+			for (Operation operation : operations) {
+				List<Operation> operationsGroup = groupedOperations
+						.get(operation.getName());
+				if (operationsGroup == null) {
+					operationsGroup = new ArrayList<Operation>();
+					groupedOperations.put(operation.getName(), operationsGroup);
 				}
-				ErlangNodeElement module = new ErlangNodeElement();
-				module.setService(service);
-				module.setBinding(binding);
-				erlangModules.put(binding.getModule(), module);
-			}
-		}
-	}
-
-	public void unregisterBinding(ErlangBinding binding) throws ErlangException {
-		if (erlangModules.containsKey(binding.getModule())) {
-			erlangModules.remove(binding.getModule());
-			erlangModules.remove(binding.getModule());
-			if (erlangModules.size() == 0) {
-				stop();
+				operationsGroup.add(operation);
 			}
 		}
+		nodeElement = new ErlangNodeElement();
+		nodeElement.setService(service);
+		nodeElement.setBinding(binding);
 	}
 
 }
-- 
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