public void RoundTripHT(StatusMessage sm) {
StatusMessage sm2 = new StatusMessage( sm.ToDictionary() );
Assert.AreEqual(sm, sm2, "Hashtable RT");
}
public void RoundTripHT(StatusMessage sm)
{
StatusMessage sm2 = new StatusMessage(sm.ToDictionary());
Assert.AreEqual(sm, sm2, "Hashtable RT");
}
/**
* When we get a response to the sys:link method, this handled
* is called
*/
protected void LinkCloseHandler(object q, EventArgs args)
{
try {
Channel resq = (Channel)q;
//If the Channel is empty this will throw an exception:
RpcResult res = (RpcResult)resq.Dequeue();
/* Here's the LinkMessage response */
LinkMessage lm = new LinkMessage((IDictionary)res.Result);
/**
* This will set our LinkMessageReply variable. It can
* only be set once, so all future sets will fail. It
* will also make sure we have the lock on the target.
* If we don't, that will throw an exception
*/
SetAndCheckLinkReply(lm);
//If we got here, we have our response and the Lock on _target_address
StatusMessage sm = _node.GetStatus(_contype, lm.Local.Address);
/* Make the call */
Channel results = new Channel();
results.CloseAfterEnqueue();
results.CloseEvent += this.StatusCloseHandler;
RpcManager rpc = _node.Rpc;
if (ProtocolLog.LinkDebug.Enabled)
{
ProtocolLog.Write(ProtocolLog.LinkDebug,
String.Format(
"LPS target: {0} Invoking GetStatus() over edge: {1}",
_linker.Target, _e));
}
/*
* This could throw an exception if the Edge is closed
*/
rpc.Invoke(_e, results, "sys:link.GetStatus", sm.ToDictionary());
}
catch (AdrException x) {
/*
* This happens when the RPC call has some kind of issue,
* first we check for common error conditions:
*/
_x.Value = x;
Finish(GetResultForErrorCode(x.Code));
}
catch (ConnectionExistsException x) {
/* We already have a connection */
_x.Value = x;
Finish(Result.ProtocolError);
}
catch (CTLockException x) {
//This is thrown when ConnectionTable cannot lock. Lets try again:
_x.Value = x;
Finish(Result.RetryThisTA);
}
catch (LinkException x) {
_x.Value = x;
if (x.IsCritical)
{
Finish(Result.MoveToNextTA);
}
else
{
Finish(Result.RetryThisTA);
}
}
catch (InvalidOperationException) {
//The queue never got anything
Finish(Result.MoveToNextTA);
}
catch (EdgeException) {
//The Edge is goofy, let's move on:
Finish(Result.MoveToNextTA);
}
catch (Exception x) {
//The protocol was not followed correctly by the other node, fail
_x.Value = x;
Finish(Result.RetryThisTA);
}
}
/**
* Get a StatusMessage for this node
*/
public IDictionary GetStatus(IDictionary status_message, ISender edge)
{
//we just got s status request
if (1 == _disconnecting)
{
throw new AdrException((int)ErrorMessage.ErrorCode.Disconnecting, "disconnecting");
}
StatusMessage sm = new StatusMessage(status_message);
Edge from = GetEdge(edge);
if (ProtocolLog.LinkDebug.Enabled)
{
ProtocolLog.Write(ProtocolLog.LinkDebug, String.Format(
"{0} -start- sys:link.GetStatus({1},{2})", _node.Address, sm, from));
}
CphState cphstate = null;
if (from != null)
{
cphstate = _edge_to_cphstate[from] as CphState;
}
/**
* StatusMessage objects are used to verify the completion
* of the Link protocol. If we receive a StatusMessage request
* after we send a LinkMessage response, we know the other
* Node got our LinkMessage response, and the connection
* is active
*/
StatusMessage response = null;
ConnectionTable tab = _node.ConnectionTable;
if (cphstate != null)
{
try {
LinkMessage lm_to_add = cphstate.LM;
//This is part of connection process:
response = _node.GetStatus(sm.NeighborType, lm_to_add.Local.Address);
Connection con = new Connection(from,
lm_to_add.Local.Address,
lm_to_add.ConTypeString,
sm,
lm_to_add);
tab.Add(con);
}
finally {
from.CloseEvent -= this.CloseHandler;
CloseHandler(from, null);
}
}
else
{
//This is just a "regular" status request
//update our table:
Address fadd = null;
Connection c = tab.GetConnection(from);
if (c != null)
{
fadd = c.Address;
c.SetStatus(sm);
}
response = _node.GetStatus(sm.NeighborType, fadd);
}
if (ProtocolLog.LinkDebug.Enabled)
{
ProtocolLog.Write(ProtocolLog.LinkDebug, String.Format(
"{0} -end- sys:link.GetStatus()->{1}", _node.Address, response));
}
return(response.ToDictionary());
}
