/**
* Function called by the dependency manager when all the required
* dependencies are satisfied
- *
+ *
*/
void init() {
this.controller.addMessageListener(OFType.FLOW_REMOVED, this);
* Function called by the dependency manager when at least one dependency
* become unsatisfied or when the component is shutting down because for
* example bundle is being stopped.
- *
+ *
*/
void destroy() {
}
/**
* Function called by dependency manager after "init ()" is called and after
* the services provided by the class are registered in the service registry
- *
+ *
*/
void start() {
}
* Function called by the dependency manager before the services exported by
* the component are unregistered, this will be followed by a "destroy ()"
* calls
- *
+ *
*/
void stop() {
}
* will be inserted automatically to synchronize the
* progression.
*/
- result = asyncMsgSend(node, sw, msg, rid);
+ result = asyncMsgSend(node, sw, msg, rid);
}
return getStatusInternal(result, action, rid);
} else {
if ((rid == null) || (rid == 0)) {
return;
}
-
+
/*
* Notifies the caller that error has been reported for a previous flow
* programming request
return new Status(StatusCode.INTERNALERROR,
"Failed to send Barrier message.");
}
-
+
@Override
public Status asyncSendBarrierMessage(Node node) {
if (!node.getType().equals(NodeIDType.OPENFLOW)) {
return new Status(StatusCode.INTERNALERROR,
"Failed to send Barrier message.");
}
-
+
/**
* This method sends the message asynchronously until the number of messages
* sent reaches a threshold. Then a Barrier message is sent automatically
* for sync purpose. An unique Request ID associated with the message is
* passed down by the caller. The Request ID will be returned to the caller
* when an error message is received from the switch.
- *
+ *
* @param node
* The node
* @param msg
xid = sw.asyncSend(msg);
addXid2Rid(swid, xid, rid);
-
+
Map<Integer, Long> swxid2rid = this.xid2rid.get(swid);
if (swxid2rid == null) {
return result;
}
-
+
int size = swxid2rid.size();
if (size % barrierMessagePriorCount == 0) {
result = asyncSendBarrierMessage(node);
}
-
+
return result;
}
-
+
/**
* A number of async messages are sent followed by a synchronous Barrier
* message. This method returns the maximum async messages that can be sent
* before the Barrier message.
- *
+ *
* @return The max count of async messages sent prior to Barrier message
*/
private int getBarrierMessagePriorCount() {
return rv;
}
-
+
/**
* This method returns the message Request ID previously assigned by the
* caller for a given OF message xid
- *
+ *
* @param swid
* The switch id
* @param xid
/**
* This method returns a copy of outstanding xid to rid mappings.for a given
* switch
- *
+ *
* @param swid
* The switch id
* @return a copy of xid2rid mappings
*/
public Map<Integer, Long> getSwXid2Rid(long swid) {
Map<Integer, Long> swxid2rid = this.xid2rid.get(swid);
-
+
if (swxid2rid != null) {
return new HashMap<Integer, Long>(swxid2rid);
} else {
/**
* Adds xid to rid mapping to the local DB
- *
+ *
* @param swid
* The switch id
* @param xid
/**
* When an Error message is received, this method will be invoked to remove
* the offending xid from the local DB.
- *
+ *
* @param swid
* The switch id
* @param xid
/**
* Convert various result into Status
- *
+ *
* @param result
* The returned result from previous action
* @param action
"send", action, "Internal Error"));
}
}
-
+
/**
* When a Barrier reply is received, this method will be invoked to clear
* the local DB
- *
+ *
* @param swid
* The switch id
*/
@Override
public void updateNode(Node node, UpdateType type, Set<Property> props) {
long swid = (Long)node.getID();
-
+
switch (type) {
case ADDED:
Map<Integer, Long> swxid2rid = new HashMap<Integer, Long>();
ci.println("Please enter a valid node id");
return;
}
-
+
long sid;
try {
sid = HexEncode.stringToLong(st);
ci.println("Please enter a valid node id");
return;
}
-
+
Map<Integer, Long> swxid2rid = this.xid2rid.get(sid);
if (swxid2rid == null) {
ci.println("The node id entered does not exist");
}
ci.println("xid rid");
-
+
Set<Integer> xidSet = swxid2rid.keySet();
if (xidSet == null) {
return;