public void HandleRpc(ISender caller, string meth, IList args, object state)
{
if (meth == "create")
{
Edge calling_edge = (Edge)((ReqrepManager.ReplyState)caller).ReturnPath;
string remote_path = (string)args[0];
string local_path = (string)args[1];
PathEdgeListener el = _pel_map[local_path];
if (el.IsStarted)
{
PathEdge npe = new PathEdge(this, calling_edge, local_path, remote_path);
lock ( _sync ) {
//We don't announce yet, wait till we get some data, which
//verifies that the other side has seen it.
_unannounced[calling_edge] = npe;
}
//So the new Edge has been announced.
Rpc.SendResult(state, true);
}
else
{
throw new Exception(
String.Format("PathEdgeListener({0}) not started", local_path));
}
}
else
{
throw new AdrException(-32601, "No Handler for method: " + meth);
}
}
public override void UpdateRemoteTAs(IList <TransportAddress> list, Edge e, TransportAddress ta)
{
PathEdge pe = e as PathEdge;
if (pe != null)
{
_el.UpdateRemoteTAs(list, pe.Edge, ta);
}
}
public override void UpdateLocalTAs(Edge e, TransportAddress ta)
{
PathEdge pe = e as PathEdge;
if (pe != null)
{
_el.UpdateLocalTAs(pe.Edge, ta);
}
else
{
_el.UpdateLocalTAs(e, ta);
}
}
/** try to create a new PathEdge and send the EdgeEvent
*/
public void SendPathEdgeEvent(PathEdge pe)
{
if (1 == _is_started)
{
pe.CloseEvent += CloseHandler;
Interlocked.Increment(ref _count);
SendEdgeEvent(pe);
}
else
{
throw new Exception(
String.Format("PathEdgeListener{0} not yet started", _path));
}
}
public void HandleEC(bool succ, Edge e, Exception x)
{
if (!succ)
{
ECB(false, null, x);
return;
}
else if (_root)
{
Interlocked.Increment(ref _pel._count);
e.CloseEvent += _pel.CloseHandler;
ECB(succ, e, x);
return;
}
/*
* Got the underlying Edge, now do the path protocol
*/
Channel results = new Channel(1);
results.CloseEvent += delegate(object q, EventArgs args) {
try {
RpcResult res = (RpcResult)results.Dequeue();
object o = res.Result;
if (o is Exception)
{
throw (o as Exception);
}
} catch (Exception cx) {
e.Close();
ECB(false, null, cx);
return;
}
//If we get here, everything looks good:
PathEdge pe = new PathEdge(_pel._pem, e, LocalPath, RemotePath);
//Start sending e's packets into pe
pe.Subscribe();
pe.CloseEvent += _pel.CloseHandler;
Interlocked.Increment(ref _pel._count);
ECB(true, pe, null);
};
//Make sure we hear the packets on this edge:
e.Subscribe(_pel._pem, null);
//Now make the rpc call:
_pel._pem.Rpc.Invoke(e, results, "sys:pathing.create", LocalPath, RemotePath);
}
protected void EdgeTimeoutChecker()
{
// Get the list of old edges
DateTime remove_timeout = DateTime.UtcNow.AddMinutes(-5);
List <Edge> to_close = new List <Edge>();
lock (_sync) {
foreach (Edge e in _unannounced.Keys)
{
if (e.CreatedDateTime < remove_timeout)
{
to_close.Add(e);
}
}
}
// Close the Edges
foreach (Edge e in to_close)
{
PathEdge pe = null;
if (!_unannounced.TryGetValue(e, out pe))
{
continue;
}
try {
pe.Close();
} catch (Exception ex) {
ProtocolLog.WriteIf(ProtocolLog.Exceptions, ex.ToString());
}
}
// Remove them from the _unannounced dictionary
lock (_sync) {
foreach (Edge e in to_close)
{
_unannounced.Remove(e);
}
}
}
protected int GetUdpIdx(ConnectionState cs)
{
var ue = (BT.UdpEdge)cs.Edge;
if (ue == null)
{
BT.PathEdge tmp = (BT.PathEdge)cs.Edge;
if (tmp == null)
{
return(0);
}
ue = (BT.UdpEdge)tmp.Edge;
}
if (ue.IsInbound)
{
return(ue.ID);
}
else
{
return(ue.RemoteID);
}
}
/** try to create a new PathEdge and send the EdgeEvent
*/
public void SendPathEdgeEvent(PathEdge pe) {
if( 1 == _is_started ) {
pe.CloseEvent += CloseHandler;
Interlocked.Increment(ref _count);
SendEdgeEvent(pe);
}
else {
throw new Exception(
String.Format("PathEdgeListener{0} not yet started", _path));
}
}
public void HandleEC(bool succ, Edge e, Exception x) {
if(!succ) {
ECB(false, null, x);
return;
} else if(_root) {
Interlocked.Increment(ref _pel._count);
e.CloseEvent += _pel.CloseHandler;
ECB(succ, e, x);
return;
}
/*
* Got the underlying Edge, now do the path protocol
*/
Channel results = new Channel(1);
results.CloseEvent += delegate(object q, EventArgs args) {
try {
RpcResult res = (RpcResult)results.Dequeue();
object o = res.Result;
if(o is Exception) {
throw (o as Exception);
}
} catch(Exception cx) {
e.Close();
ECB(false, null, cx);
return;
}
//If we get here, everything looks good:
PathEdge pe = new PathEdge(_pel._pem, e, LocalPath, RemotePath);
//Start sending e's packets into pe
pe.Subscribe();
pe.CloseEvent += _pel.CloseHandler;
Interlocked.Increment(ref _pel._count);
ECB(true, pe, null);
};
//Make sure we hear the packets on this edge:
e.Subscribe(_pel._pem, null);
//Now make the rpc call:
_pel._pem.Rpc.Invoke(e, results, "sys:pathing.create", LocalPath, RemotePath );
}
public void HandleRpc(ISender caller, string meth, IList args, object state) {
if( meth == "create" ) {
Edge calling_edge = (Edge)((ReqrepManager.ReplyState)caller).ReturnPath;
string remote_path = (string)args[0];
string local_path = (string)args[1];
PathEdgeListener el = _pel_map[local_path];
if( el.IsStarted ) {
PathEdge npe = new PathEdge(this, calling_edge, local_path, remote_path);
lock( _sync ) {
//We don't announce yet, wait till we get some data, which
//verifies that the other side has seen it.
_unannounced[calling_edge] = npe;
}
//So the new Edge has been announced.
Rpc.SendResult(state, true);
}
else {
throw new Exception(
String.Format("PathEdgeListener({0}) not started", local_path));
}
}
else {
throw new AdrException(-32601, "No Handler for method: " + meth);
}
}
/** Handle incoming data on an Edge
*/
public void HandleData(MemBlock data, ISender retpath, object state) {
MemBlock rest_of_data;
PType p;
if( state == null ) {
try {
p = PType.Parse(data, out rest_of_data);
} catch(ParseException) {
ProtocolLog.WriteIf(ProtocolLog.Pathing, "Invalid PType from: " + data);
return;
}
p = PType.Parse(data, out rest_of_data);
}
else {
//a demux has already happened:
p = (PType)state;
rest_of_data = data;
}
if( PType.Protocol.Pathing.Equals(p) ) {
/*
* We use a special PType to denote this transaction so
* we don't confuse it with other RepRep communication
*/
_rrm.HandleData(rest_of_data, retpath, null);
}
else if( PType.Protocol.Rpc.Equals(p) ) {
/*
* Send this to the RpcHandler
*/
Rpc.HandleData(rest_of_data, retpath, null);
}
else {
/*
* This is some other data
* It is either:
* 1) Time to announce an already created edge.
* 2) Assume this is a "default path" edge creation, to be backwards
* compatible
*/
Edge e = null;
PathEdge pe = null;
try {
e = (Edge)retpath;
PathEdgeListener pel = null;
lock( _sync ) {
if( _unannounced.TryGetValue(e, out pe) ) {
//
_unannounced.Remove(e);
pel = _pel_map[pe.LocalPath];
}
}
if( pe == null ) {
if(! _pel_map.ContainsKey(Root) ) {
ProtocolLog.WriteIf(ProtocolLog.Pathing, "No root, can't create edge");
if(e != null) {
e.Close();
}
return;
}
/*
* This must be a "default path" incoming connection
*/
pel = _pel_map[Root];
pe = new PathEdge(this, e, Root, Root);
}
pel.SendPathEdgeEvent(pe);
pe.Subscribe();
pe.ReceivedPacketEvent(data);
}
catch(Exception x) {
if( pe != null ) {
//This closes both edges:
pe.Close();
}
else if( e != null ) {
ProtocolLog.WriteIf(ProtocolLog.Pathing,
String.Format("Closing ({0}) due to: {1}", e, x));
e.Close();
}
}
}
}
/** Handle incoming data on an Edge
*/
public void HandleData(MemBlock data, ISender retpath, object state)
{
MemBlock rest_of_data;
PType p;
if (state == null)
{
try {
p = PType.Parse(data, out rest_of_data);
} catch (ParseException) {
ProtocolLog.WriteIf(ProtocolLog.Pathing, "Invalid PType from: " + data);
return;
}
p = PType.Parse(data, out rest_of_data);
}
else
{
//a demux has already happened:
p = (PType)state;
rest_of_data = data;
}
if (PType.Protocol.Pathing.Equals(p))
{
/*
* We use a special PType to denote this transaction so
* we don't confuse it with other RepRep communication
*/
_rrm.HandleData(rest_of_data, retpath, null);
}
else if (PType.Protocol.Rpc.Equals(p))
{
/*
* Send this to the RpcHandler
*/
Rpc.HandleData(rest_of_data, retpath, null);
}
else
{
/*
* This is some other data
* It is either:
* 1) Time to announce an already created edge.
* 2) Assume this is a "default path" edge creation, to be backwards
* compatible
*/
Edge e = null;
PathEdge pe = null;
try {
e = (Edge)retpath;
PathEdgeListener pel = null;
lock ( _sync ) {
if (_unannounced.TryGetValue(e, out pe))
{
//
_unannounced.Remove(e);
pel = _pel_map[pe.LocalPath];
}
}
if (pe == null)
{
if (!_pel_map.ContainsKey(Root))
{
ProtocolLog.WriteIf(ProtocolLog.Pathing, "No root, can't create edge");
if (e != null)
{
e.Close();
}
return;
}
/*
* This must be a "default path" incoming connection
*/
pel = _pel_map[Root];
pe = new PathEdge(this, e, Root, Root);
}
pel.SendPathEdgeEvent(pe);
pe.Subscribe();
pe.ReceivedPacketEvent(data);
}
catch (Exception x) {
if (pe != null)
{
//This closes both edges:
pe.Close();
}
else if (e != null)
{
ProtocolLog.WriteIf(ProtocolLog.Pathing,
String.Format("Closing ({0}) due to: {1}", e, x));
e.Close();
}
}
}
}
