Fix bug: Include convert frequency/channel to StubOdinAgent

src/main/java/net/floodlightcontroller/odin/master/OdinAgent.java

@@ -525,19 +525,23 @@ public void sendChannelSwitch(MACAddress clientHwAddr, MACAddress bssid, List<St
 
 	public int convertFrequencyToChannel(int freq) {
 	    if (freq >= 2412 && freq <= 2484) {
-	        return (freq - 2412) / 5 + 1;
+	        int chan = (freq - 2412) / 5 + 1;
+	        return chan;
 	    } else if (freq >= 5170 && freq <= 5825) {
-	        return (freq - 5170) / 5 + 34;
+	        int chan = (freq - 5170) / 5 + 34;
+	        return chan;
 	    } else {
 	        return -1;
 	    }
 	}
 
 	public int convertChannelToFrequency(int chan) {
 	    if (chan >= 1 && chan <= 14) {
-	        return 5 * (chan - 1) + 2412;
+	        int freq = 5 * (chan - 1) + 2412;
+	        return freq;
 	    } else if (chan >= 34 && chan <= 165) {
-	        return 5 * (chan - 34) + 5170;
+	        int freq = 5 * (chan - 34) + 5170;
+	        return freq;
 	    } else {
 	        return -1;
 	    }

src/main/java/net/floodlightcontroller/odin/master/StubOdinAgent.java

@@ -25,6 +25,8 @@ class StubOdinAgent implements IOdinAgent {
 	private long lastHeard;
 	private int channel; 
 	private ConcurrentSkipListSet<OdinClient> clientList = new ConcurrentSkipListSet<OdinClient>();
+	private int freq;
+	private int chan;
 
 	@Override
 	public void addClientLvap(OdinClient oc) {
@@ -109,4 +111,14 @@ public int getChannel() {
 	public void sendChannelSwitch(MACAddress clientHwAddr, MACAddress bssid, List<String> ssidList, int channel){
 		// Do nothing.
 	}
+
+	@Override
+	public int convertFrequencyToChannel(int freq) {
+		return chan;
+	}
+
+	@Override
+	public int convertChannelToFrequency(int chan) {
+		return freq;
+	}
 }