Giant patch of changes to support OpenFlow 1.3
The following people have contributed to this patch:
- Ali Al-Shabibi <alshabibi.ali@gmail.com>
- Ayaka Koshibe <ayaka@onlab.us>
- Brian O'Connor <bocon@onlab.us>
- Jonathan Hart <jono@onlab.us>
- Matteo Gerola <mgerola@create-net.org>
- Michele Santuari <michele.santuari@create-net.org>
- Pavlin Radoslavov <pavlin@onlab.us>
- Saurav Das <sauravdas@alumni.stanford.edu>
- Toshio Koide <t-koide@onlab.us>
- Yuta HIGUCHI <y-higuchi@onlab.us>
The patch includes the following changes:
- New Floodlight I/O loop / state machine
- New switch/port handling
- New role management (incl. Role.EQUAL)
- Added Floodlight debug framework
- Updates to Controller.java
- Move to Loxigen's OpenflowJ library
- Added OF1.3 support
- Added support for different switches (via DriverManager)
- Updated ONOS modules to use new APIs
- Added and updated unit tests
Change-Id: Ic70a8d50f7136946193d2ba2e4dc0b4bfac5f599
diff --git a/src/main/java/net/floodlightcontroller/debugcounter/IDebugCounter.java b/src/main/java/net/floodlightcontroller/debugcounter/IDebugCounter.java
new file mode 100644
index 0000000..dbde185
--- /dev/null
+++ b/src/main/java/net/floodlightcontroller/debugcounter/IDebugCounter.java
@@ -0,0 +1,38 @@
+package net.floodlightcontroller.debugcounter;
+
+public interface IDebugCounter {
+ /**
+ * Increments the counter by 1 thread-locally, and immediately flushes to
+ * the global counter storage. This method should be used for counters that
+ * are updated outside the OF message processing pipeline.
+ */
+ void updateCounterWithFlush();
+
+ /**
+ * Increments the counter by 1 thread-locally. Flushing to the global
+ * counter storage is delayed (happens with flushCounters() in IDebugCounterService),
+ * resulting in higher performance. This method should be used for counters
+ * updated in the OF message processing pipeline.
+ */
+ void updateCounterNoFlush();
+
+ /**
+ * Increments the counter thread-locally by the 'incr' specified, and immediately
+ * flushes to the global counter storage. This method should be used for counters
+ * that are updated outside the OF message processing pipeline.
+ */
+ void updateCounterWithFlush(int incr);
+
+ /**
+ * Increments the counter thread-locally by the 'incr' specified. Flushing to the global
+ * counter storage is delayed (happens with flushCounters() in IDebugCounterService),
+ * resulting in higher performance. This method should be used for counters
+ * updated in the OF message processing pipeline.
+ */
+ void updateCounterNoFlush(int incr);
+
+ /**
+ * Retrieve the value of the counter from the global counter store
+ */
+ long getCounterValue();
+}