Added a number of container classes that will be used for
Flow Path computation and installation.
diff --git a/src/main/java/net/floodlightcontroller/util/IPv4Net.java b/src/main/java/net/floodlightcontroller/util/IPv4Net.java
new file mode 100644
index 0000000..6c4c651
--- /dev/null
+++ b/src/main/java/net/floodlightcontroller/util/IPv4Net.java
@@ -0,0 +1,66 @@
+package net.floodlightcontroller.util;
+
+import net.floodlightcontroller.util.IPv4;
+
+/**
+ * The class representing an IPv4 network address.
+ */
+public class IPv4Net {
+ private IPv4 address; // The IPv4 address
+ private short prefixLen; // The prefix length
+
+ /**
+ * Default constructor.
+ */
+ public IPv4Net() {
+ this.prefixLen = 0;
+ }
+
+ /**
+ * Constructor for a given address and prefix length.
+ *
+ * @param address the address to use.
+ * @param prefixLen the prefix length to use.
+ */
+ public IPv4Net(IPv4 address, short prefixLen) {
+ this.address = address;
+ this.prefixLen = prefixLen;
+ }
+
+ /**
+ * Get the address value of the IPv4Net address.
+ *
+ * @return the address value of the IPv4Net address.
+ */
+ public IPv4 address() { return address; }
+
+ /**
+ * Get the prefix length value of the IPv4Net address.
+ *
+ * @return the prefix length value of the IPv4Net address.
+ */
+ public short prefixLen() { return prefixLen; }
+
+ /**
+ * Set the value of the IPv4Net address.
+ *
+ * @param address the address to use.
+ * @param prefixLen the prefix length to use.
+ */
+ public void setValue(IPv4 address, short prefixLen) {
+ this.address = address;
+ this.prefixLen = prefixLen;
+ }
+
+ /**
+ * Convert the IPv4Net value to an "address/prefixLen" string.
+ *
+ * @return the IPv4Net value as an "address/prefixLen" string.
+ */
+ @Override
+ public String toString() {
+ String ret = "";
+ // TODO: Implement it!
+ return ret;
+ }
+}