Initial code drop of netconf protocol implementation

[controller.git] / opendaylight / netconf / netconf-client / src / main / java / org / opendaylight / controller / netconf / client / NetconfClientSessionNegotiatorFactory.java

diff --git a/opendaylight/netconf/netconf-client/src/main/java/org/opendaylight/controller/netconf/client/NetconfClientSessionNegotiatorFactory.java b/opendaylight/netconf/netconf-client/src/main/java/org/opendaylight/controller/netconf/client/NetconfClientSessionNegotiatorFactory.java
new file mode 100644 (file)
index 0000000..db0b953
--- /dev/null
+++ b/opendaylight/netconf/netconf-client/src/main/java/org/opendaylight/controller/netconf/client/NetconfClientSessionNegotiatorFactory.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.netconf.client;
+
+import com.google.common.base.Preconditions;
+import io.netty.channel.Channel;
+import io.netty.util.Timer;
+import io.netty.util.concurrent.Promise;
+import org.opendaylight.controller.netconf.api.NetconfMessage;
+import org.opendaylight.controller.netconf.api.NetconfSessionPreferences;
+import org.opendaylight.controller.netconf.util.xml.XmlUtil;
+import org.opendaylight.protocol.framework.SessionListenerFactory;
+import org.opendaylight.protocol.framework.SessionNegotiator;
+import org.opendaylight.protocol.framework.SessionNegotiatorFactory;
+import org.xml.sax.SAXException;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+public class NetconfClientSessionNegotiatorFactory implements SessionNegotiatorFactory {
+
+    private final Timer timer;
+
+    public NetconfClientSessionNegotiatorFactory(Timer timer) {
+        this.timer = timer;
+    }
+
+    private static NetconfMessage loadHelloMessageTemplate() {
+        final String helloMessagePath = "/client_hello.xml";
+        try (InputStream is = NetconfClientSessionNegotiatorFactory.class.getResourceAsStream(helloMessagePath)) {
+            Preconditions.checkState(is != null, "Input stream from %s was null", helloMessagePath);
+            return new NetconfMessage(XmlUtil.readXmlToDocument(is));
+        } catch (SAXException | IOException e) {
+            throw new RuntimeException("Unable to load hello message", e);
+        }
+    }
+
+    @Override
+    public SessionNegotiator getSessionNegotiator(SessionListenerFactory sessionListenerFactory, Channel channel,
+            Promise promise) {
+        // Hello message needs to be recreated every time
+        NetconfSessionPreferences proposal = new NetconfSessionPreferences(loadHelloMessageTemplate());
+        return new NetconfClientSessionNegotiator(proposal, promise, channel, timer,
+                sessionListenerFactory.getSessionListener());
+    }
+
+}