Performacne improvements via adding a netty-based openflowj and openflow plugin;...

[controller.git] / opendaylight / protocol_plugins / openflow_netty / src / main / java / org / opendaylight / controller / protocol_plugin / openflow / core / internal / OFChannelState.java

diff --git a/opendaylight/protocol_plugins/openflow_netty/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/core/internal/OFChannelState.java b/opendaylight/protocol_plugins/openflow_netty/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/core/internal/OFChannelState.java
new file mode 100644 (file)
index 0000000..b66ce97
--- /dev/null
+++ b/opendaylight/protocol_plugins/openflow_netty/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/core/internal/OFChannelState.java
@@ -0,0 +1,51 @@
+package org.opendaylight.controller.protocol_plugin.openflow.core.internal;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.openflow.protocol.OFFeaturesReply;
+import org.openflow.protocol.OFMessage;
+import org.openflow.protocol.statistics.OFDescriptionStatistics;
+
+/**
+ * Wrapper class to hold state for the OpenFlow switch connection
+ * @author readams
+ */
+class OFChannelState {
+
+    /**
+     * State for handling the switch handshake
+     */
+    protected enum HandshakeState {
+        /**
+         * Beginning state
+         */
+        START,
+
+        /**
+         * Received HELLO from switch
+         */
+        HELLO,
+
+        /**
+         * We've received the features reply
+         * Waiting for Config and Description reply
+         */
+        FEATURES_REPLY,
+
+        /**
+         * Switch is ready for processing messages
+         */
+        READY
+
+    }
+
+    protected volatile HandshakeState hsState = HandshakeState.START;
+    protected boolean hasGetConfigReply = false;
+    protected boolean hasDescription = false;
+    protected boolean switchBindingDone = false;
+
+    protected OFFeaturesReply featuresReply = null;
+    protected OFDescriptionStatistics description = null;
+    protected List<OFMessage> queuedOFMessages = new ArrayList<OFMessage>();
+}
\ No newline at end of file