//------------------------------------------------------------------------------------------------------------------------
void HandleNewPacket(byte[] data, string addr)
{
try
{
//deserialize packet
IDiscoveryMessageBase msg;
try
{
msg = Tools.Marshalling.ToObject(DiscoveryMessageType, data) as IDiscoveryMessageBase;
}
catch { return; }
//is it me? (then discard msg)
if (msg.Id == 0 || msg.Id == myID)
{
return;
}
//create remote id
var remID = new RemoteEndpointID()
{
IPAddress = addr, ID = msg.Id
};
//examine existing association
var info = DiscoveredEndpoints.TryGetOrDefault(remID);
if (info == null)
{
DebugEx.TraceLog($"LANDiscoverer : Discovered new endpoint. (ip:{addr} id:{msg.Id} flags:{msg.Flags})");
//create info
info = new RemoteEndpointInfo
{
ID = remID,
LastMessageTimestamp = DateTime.Now,
LastDiscoveryMessage = msg,
};
//add to discovered nodes
DiscoveredEndpoints.Add(remID, info);
//raise event
OnNewEndpointDiscovered?.Invoke(info);
}
//custom handle?
OnEndpointMsgRx?.Invoke(info, msg);
//update discovery message and timestamp
Interlocked.Exchange(ref info.LastDiscoveryMessage, msg);
info.LastMessageTimestamp = DateTime.Now;
}
catch (Exception ex) { DebugEx.TraceError(ex, "DiscoveryTaskEntryPoint error"); }
}
//------------------------------------------------------------------------------------------------------------------------
public bool OnGraphLoadReq(GraphManager.GraphLoadRequestData req, out Graph Graph)
{
lock (locker)
{
Graph = null;
var gi = Graphs.TryGetOrDefault(req.GraphKey);
if (gi == null)
{
return(false);
}
else
{
Graph = gi.Graph;
return(Graph != null);
}
}
}
//------------------------------------------------------------------------------------------------------------------------
public void SendVBMToBrothers(List <VirtualBlockEvent> events)
{
try
{
//split into packets-per brother
var brotherPackets = new Dictionary <NodeKey, List <VirtualBlockEvent> >();
foreach (var ev in events)
{
var bk = (BlockKey)ev.BlockKey;
var nk = bk.GraphKey.NodeKey;
if (BrotherNodes.ContainsKey(nk))
{
//get (or create) packet list
var packets = brotherPackets.TryGetOrDefault(nk);
if (packets == null)
{
brotherPackets.Add(nk, packets = new List <VirtualBlockEvent>());
}
//add packet for brother node
packets.Add(ev);
}
}
//send to brothers and consume
foreach (var bpkv in brotherPackets)
{
//get brother
var brother = BrotherNodes.TryGetOrDefault(bpkv.Key);
if (brother != null && brother.IsConnected)
{
var msgReq = new VirtualBlockEventMsg()
{
BlockEvents = bpkv.Value.ToArray(),
};
var rsp = brother.SendRequest <GenericRsp>(msgReq, Timeout: TimeSpan.FromSeconds(3));
if (rsp != null && rsp.IsSuccess)
{
//consume events from original set
msgReq.BlockEvents.ForEach(e => events.Remove(e));
}
}
}
}
catch (Exception ex) { DebugEx.Assert(ex, "Unhandled exception in SendVBMToBrothers"); }
}
//------------------------------------------------------------------------------------------------------------------------
private void OnRxPythonMsg(SharpPy msg)
{
#if DEBUG
DebugEx.TraceLog("OnRxPython " + msg.payload + ", syncid: " + msg.syncid + ", watcherid " + msg.watcherid);
if (PendingRequests.Count != 0)
{
DebugEx.TraceLogInlineBegin("PENDING syncids: ");
foreach (var item in PendingRequests.Keys)
{
DebugEx.TraceLogInline(item.ToString());
}
DebugEx.TraceLogInlineEnd("");
}
DebugEx.TraceLog("This watcherid:" + this.WatcherId);
#endif
if (msg.watcherid == this.WatcherId)
{
int syncId = msg.syncid;
if (syncId == 0)
{
return;
}
Waiter w = null;
w = PendingRequests.TryGetOrDefault(syncId);
//set result and wake
if (w != null)
{
lock (w)
{
w.response = msg.payload;
Monitor.Pulse(w);
}
}
else
{
DebugEx.TraceLog("w is null");
}
}
}
private void GotButton(Bdaddr bdAddr)
{
DebugEx.TraceLog("Got Button");
var thing = flicThings.TryGetOrDefault(bdAddr);
if (thing == null)
{
thing = ThingTools.FlicThing.CreateThing(bdAddr.ToString().Replace(":", ""), bdAddr.ToString());
thing = AddThing(thing);
flicThings.Add(bdAddr, thing);
}
DebugEx.TraceLog("===========>Add Button Thing Completed");
var channel = ButtonChannels.TryGetOrDefault(bdAddr);
if (channel == null)
{
DebugEx.TraceLog("===========>New Channel is created");
channel = new ButtonConnectionChannel(bdAddr);
channel.CreateConnectionChannelResponse += (sender1, eventArgs) =>
{
if (eventArgs.Error == CreateConnectionChannelError.NoError)
{
_channelConnected((ButtonConnectionChannel)sender1);
}
else
{
DebugEx.TraceError(((ButtonConnectionChannel)sender1).BdAddr.ToString() + " could not be connected");
}
};
channel.Removed += (sender1, eventArgs) =>
{
_channelDisconnected((ButtonConnectionChannel)sender1);
};
channel.ConnectionStatusChanged += (sender1, eventArgs) =>
{
var chan = (ButtonConnectionChannel)sender1;
if (eventArgs.ConnectionStatus == ConnectionStatus.Disconnected)
{
_channelDisconnected(chan);
}
};
channel.ButtonSingleOrDoubleClickOrHold += (sender1, eventArgs) =>
{
var chan = (ButtonConnectionChannel)sender1;
var thisThing = flicThings.TryGetOrDefault(chan.BdAddr);
if (thisThing == null)
{
return;
}
DebugEx.TraceLog(eventArgs.ClickType + " for " + thisThing.Name + " (key:" + thisThing.ThingKey + ")");
switch (eventArgs.ClickType)
{
case ClickType.ButtonSingleClick:
SetPortState(PortKey.BuildFromArbitraryString(thisThing.ThingKey, ThingTools.FlicThing.SingleClick), "True");
break;
case ClickType.ButtonDoubleClick:
SetPortState(PortKey.BuildFromArbitraryString(thisThing.ThingKey, ThingTools.FlicThing.DoubleClick), "True");
break;
case ClickType.ButtonHold:
SetPortState(PortKey.BuildFromArbitraryString(thisThing.ThingKey, ThingTools.FlicThing.LongClick), "True");
break;
default:
break;
}
if (!ButtonChannels.ContainsKey(chan.BdAddr))
{
_channelConnected(chan);
}
};
//try to add channel
_flicClient.AddConnectionChannel(channel);
DebugEx.TraceLog("===========>Add Connection Channel Completed");
foreach (var navctx in NavigationContext.Values)
{
DebugEx.TraceLog("===========>navctx.CurrentPage.Title: " + navctx.CurrentPage.Title);
if (navctx.CurrentPage.Title == "Flic Pairing")
{
DebugEx.TraceLog("=====>here I am <======");
navctx.GoBack();
navctx.UpdateCurrentPage(createDiscoverPage());
}
}
}
}
//------------------------------------------------------------------------------------------------------------------------
public GenericRsp HandleGraphDeploymentReq(GraphDeploymentReq req, bool SupressSave)
{
lock (locker)
{
var res = new GenericRsp();
try
{
//get graphkey
var graphkey = (GraphKey)req.GraphKey;
if (graphkey.IsInvalid)
{
res.IsSuccess = false;
res.Message = "Invalid GraphKey";
return(res);
}
if (graphkey.NodeId != this.Node.NodeKey.NodeID)
{
res.IsSuccess = false;
res.Message = "Invalid NodeID in GraphKey";
return(res);
}
//collect sets
var sets = Node.BeginActiveThingsUpdate();
//deploy or undeploy?
if (req.IsDeployed)
{
//deserialize graph descriptor
GraphDescriptor graphDescriptor;
try { graphDescriptor = GraphBuilder.GetGraphDescriptorFromJson(req.GraphDescriptor, false); }
catch (Exception ex)
{
DebugEx.Assert(ex, "Could not deserialize graph descriptor");
res.IsSuccess = false;
res.Message = "Could not deserialize graph descriptor";
return(res);
}
graphDescriptor.GraphKey = graphkey;
//Build Graph
Graph graph;
try { graph = BuildGraph(graphDescriptor); }
catch (Exception ex)
{
DebugEx.Assert(ex, "Could not build graph from graph descriptor (unhandled exception)");
res.IsSuccess = false;
res.Message = "Could not build graph from graph descriptor (unhandled exception)";
return(res);
}
if (graph == null)
{
DebugEx.Assert("Could not build graph from graph descriptor");
res.IsSuccess = false;
res.Message = "Could not build graph from graph descriptor";
return(res);
}
//set key
graph.GraphKey = graphkey;
//do i already have it?
if (Graphs.ContainsKey(graphkey))
{
//invalidate graph
_GraphManager.InvalidateGraph(graphkey);
//remove information
Graphs.Remove(graphkey);
}
//try deploy graph
try
{
Exception exception;
var depres = graph.OnDeploy(true, null, out exception);
if (!depres)
{
res.IsSuccess = false;
res.Message = "Graph OnDeploy() failed. Message : " + (exception?.Message ?? "null");
return(res);
}
}
catch (Exception ex)
{
DebugEx.Assert(ex, "Graph OnDeploy() failed");
res.IsSuccess = false;
res.Message = "Graph OnDeploy() failed. Message : " + ex.Message;
return(res);
}
//add to lookup
var gi = new GraphInfo()
{
GraphKey = graphkey,
GraphDescriptor = graphDescriptor,
GraphDescriptorString = req.GraphDescriptor,
Graph = graph,
};
Graphs.Add(graphkey, gi);
//save!
if (IsInitialized && !SupressSave)
{
Save();
}
//associate block keys
foreach (var thingblock in graph.Blocks.OfType <BaseThings>())
{
//Add to Thing2Block set
{
//find block key set
var set = ThingKey2BlockKey.TryGetOrDefault(thingblock.ThingKey);
if (set == null)
{
set = new HashSetTS <BlockKey>();
ThingKey2BlockKey.Add(thingblock.ThingKey, set);
}
//add to loockup set
set.Add(thingblock.BlockKey);
}
//Add only for thingIn
if (thingblock.IsThingIn)
{
//find block key set
var set = ThingKey2ThingInBlockKey.TryGetOrDefault(thingblock.ThingKey);
if (set == null)
{
set = new HashSetTS <BlockKey>();
ThingKey2ThingInBlockKey.Add(thingblock.ThingKey, set);
}
//add to loockup set
set.Add(thingblock.BlockKey);
}
}
//Handle Deploy
res.IsSuccess = true;
res.Message = "Graph Deployed Successfully";
}
else
{
//Handle UnDeploy
if (Graphs.ContainsKey(graphkey) == false)
{
res.IsSuccess = true;
res.Message = "Graph Undeployed Successfully (was not deployed)";
}
else
{
//get graph
var gi = Graphs[graphkey];
var graph = gi.Graph;
//inform graph
Exception exception;
try
{
if (graph.OnUndeploy(null, out exception) == false)
{
DebugEx.Assert(exception, "Graph OnUndeploy failed");
}
}
catch (Exception ex) { DebugEx.Assert(ex, "Graph OnUndeploy failed"); }
//invalidate graph
_GraphManager.InvalidateGraph(graphkey);
//remove information
Graphs.Remove(graphkey);
//save!
if (IsInitialized && !SupressSave)
{
Save();
}
//disassociate block keys
if (graph != null)
{
foreach (var thingblock in gi.Graph.Blocks.OfType <BaseThings>())
{
//remove from thing2block
{
var set = ThingKey2BlockKey.TryGetOrDefault(thingblock.ThingKey);
if (set != null)
{
set.Remove(thingblock.BlockKey);
}
}
//remove from thignIn2block
if (thingblock.IsThingIn)
{
var set = ThingKey2ThingInBlockKey.TryGetOrDefault(thingblock.ThingKey);
if (set != null)
{
set.Remove(thingblock.BlockKey);
}
}
}
}
//done
res.IsSuccess = true;
res.Message = "Graph Undeployed Successfully";
}
}
//finish update
Node.EndActiveThingsUpdate(sets);
}
catch (Exception ex)
{
res.IsSuccess = false;
res.Message = "Unhandled exception in GraphDeploymentReq(). Message=" + ex.Message;
}
finally
{
//begin activation state snapshot
var sets = Node.BeginActiveThingsUpdate();
//update active ports/things
var activeThings = ThingKey2BlockKey.Where(kv => kv.Value.Count > 0)
.Select(kv => Node.Things.TryGetOrDefaultReadOnly(kv.Key))
.WhereNotNull().ToHashSetTS();
var activeThingKeys = activeThings.Select(t => (ThingKey)t.ThingKey).ToHashSetTS();
var activePorts = activeThings.SelectMany(t => t.Ports).ToHashSetTS();
var activePortsKeys = activePorts.Select(p => (PortKey)p.PortKey).ToHashSetTS();
//update sets
Interlocked.Exchange(ref _ActiveThings, activeThings);
Interlocked.Exchange(ref _ActivePorts, activePorts);
Interlocked.Exchange(ref _ActiveThingKeys, activeThingKeys);
Interlocked.Exchange(ref _ActivePortKeys, activePortsKeys);
//trigger node thing activation update
Node.EndActiveThingsUpdate(sets);
}
//return result msg
return(res);
}
}
//------------------------------------------------------------------------------------------------------------------------
public void HandlePortStates(IEnumerable <TupleS <Port, string> > States)
{
lock (locker)
{
List <Yodiwo.Logic.GraphManager.SimultaneousActionRequest> simReq = null;
foreach (var portEvent in States)
{
var port = portEvent.Item1;
var portKey = (PortKey)port.PortKey;
var state = portEvent.Item2;
var thingKey = portKey.ThingKey;
//checks
if (port == null)
{
DebugEx.TraceError("Invalid portkey");
continue;
}
if (portKey.IsInvalid)
{
DebugEx.TraceError("Invalid portkey");
continue;
}
//find thing block set
var blockSet = ThingKey2ThingInBlockKey.TryGetOrDefault(thingKey);
if (blockSet == null)
{
continue;
}
//Update state and revision number
lock (port)
{
//Interlocked.Increment(ref port.RevNum); //TODO: should increase?
port.State = state;
}
//create action update message
var data = new Logic.Blocks.Things.ThingUpdateAction
{
PortKey = portKey,
PortState = state,
};
//create a simultaneous action requests
foreach (var bk in blockSet)
{
var _req = new Yodiwo.Logic.GraphManager.SimultaneousActionRequest()
{
BlockKey = bk,
BlockActionData = data,
};
//add to simReq
if (simReq == null)
{
simReq = new List <GraphManager.SimultaneousActionRequest>();
}
simReq.Add(_req);
DebugEx.TraceLog("send event for thing " + thingKey + " block " + bk);
}
}
//send action request
if (simReq != null && simReq.Count > 0)
{
GraphManager.RequestGraphAction(simReq);
}
//done
}
}
//------------------------------------------------------------------------------------------------------------------------
void HandleNewConnection(Socket newsocket)
{
try
{
#region check reconnection throttle
try
{
//setup socket
newsocket.ReceiveTimeout = -1;
newsocket.SendTimeout = 60 * 1000;
#if NETFX
var re = newsocket.RemoteEndPoint.GetIPAddress().ToStringInvariant();
#elif UNIVERSAL
var re = newsocket.Information.RemoteAddress.ToStringInvariant();
#endif
//filtering
if (OnNewSocketConnectionFilter != null && OnNewSocketConnectionFilter(this, re) == false)
{
#if NETFX
try { newsocket.Close(); } catch { }
#endif
try { newsocket.Dispose(); } catch { }
DebugEx.TraceWarning("Connection from " + re + " closed from filter");
return;
}
if (IsReconnectionThrottleEnabled && re != "127.0.0.1" && re != "localhost") //no reconnection throttle for localhost connections
{
var rbe = reconnectThrottleBookKeeper.TryGetOrDefault(re);
if (rbe == null)
{
rbe = new ReconnectionBookkeepEntry()
{
ConnectionTimestamp = DateTime.Now + TimeSpan.FromMilliseconds(100),
Connections = 1,
};
reconnectThrottleBookKeeper.ForceAdd(re, rbe);
}
else
{
if (++rbe.Connections > ReconnectionThrottleAfterConnectionCount)
{
var elapsed = DateTime.Now - rbe.ConnectionTimestamp;
if (elapsed < ReconnectionThrottleTimeout)
{
#if NETFX
try { newsocket.Close(); } catch { }
#endif
try { newsocket.Dispose(); } catch { }
DebugEx.TraceWarning("Connection from " + re + " closed due to reconnection throttle (" + elapsed.Seconds + " sec)");
return;
}
}
}
}
}
catch (Exception ex) { DebugEx.TraceWarning(ex, "YPServer Reconnection throttle exception"); }
//cleanup old entries
reconnectThrottleBookKeeper.RemoveWhere(e => DateTime.Now - e.Value.ConnectionTimestamp > ReconnectionThrottleTimeout);
#endregion
//start task new connection
Task.Run(() =>
{
ServerChannel channel = null;
string channelKey = null;
Thread.Sleep(MathTools.GetRandomNumber(1, 100));
try
{
//check
#if NETFX
if (!newsocket.Connected)
{
DebugEx.TraceWarning("YPServer newsocket not connected?");
try { newsocket.Close(); } catch { }
return;
}
#endif
//create channel
var con = ChannelConstructor;
channel = con == null ? new ServerChannel(this, Protocols, SupportedChannelSerializationModes, PreferredChannelSerializationModes, newsocket) : con(Protocols, newsocket);
if (channel == null)
{
DebugEx.Assert("Could not create channel");
#if NETFX
try { newsocket.Close(); } catch { }
#endif
try { newsocket.Dispose(); } catch { }
return;
}
//add to set
lock (_Channels)
{
//generate unique key
while (IssuedKeys.ContainsKey(channelKey = MathTools.GenerateRandomAlphaNumericString(64)))
{
;
}
//set on channel
channel._ChannelKey = channelKey;
//add to lookups
_Channels.Add(channel);
IssuedKeys.Add(channelKey, channel);
}
//start task timeout monitor
bool setupFinished = false;
Task.Run(() =>
{
try
{
//wait
Thread.Sleep(30000);
//check
if (!setupFinished)
{
DebugEx.TraceLog($"ServerChannel setup timeout ({channel})");
try { channel.Close("ServerChannel setup timeout"); } catch { }
#if NETFX
try { newsocket?.Close(); } catch { }
#endif
try { newsocket?.Dispose(); } catch { }
//remove from lookups
lock (_Channels)
{
if (channel != null)
{
_Channels.Remove(channel);
}
if (channelKey != null)
{
IssuedKeys.Remove(channelKey);
}
}
return;
}
}
catch (Exception ex)
{
DebugEx.Assert(ex, $"Unhandled exception ({channel})");
#if NETFX
try { newsocket?.Close(); } catch { }
#endif
try { newsocket?.Dispose(); } catch { }
//remove from lookups
lock (_Channels)
{
if (channel != null)
{
_Channels.Remove(channel);
}
if (channelKey != null)
{
IssuedKeys.Remove(channelKey);
}
}
return;
}
});
//set serializer
channel.MsgPack = MsgPackSerializer;
//setup channel socket
if (channel.SetupServerSocket() == false)
{
#if NETFX
try { newsocket?.Close(); } catch { }
#endif
try { newsocket?.Dispose(); } catch { }
//remove from lookups
lock (_Channels)
{
if (channel != null)
{
_Channels.Remove(channel);
}
if (channelKey != null)
{
IssuedKeys.Remove(channelKey);
}
}
return;
}
//mark setup finish
setupFinished = true;
//call event
OnNewChannel?.Invoke(this, channel);
//start heartbeat
channel.Start();
}
catch (Exception ex)
{
DebugEx.Assert(ex, "YPServer: Failed setting up new connection for " + channel);
#if NETFX
try { newsocket.Close(); } catch { }
#endif
try { newsocket.Dispose(); } catch { }
//remove from lookups
lock (_Channels)
{
if (channel != null)
{
_Channels.Remove(channel);
}
if (channelKey != null)
{
IssuedKeys.Remove(channelKey);
}
}
return;
}
});
}
catch (Exception ex)
{
DebugEx.Assert(ex, "YPChannel server setup new connection error");
}
}
//------------------------------------------------------------------------------------------------------------------------
private void Discoverer_OnEndpointMsgRx(YPChannel.Transport.Sockets.LANDiscoverer.RemoteEndpointInfo endpoint, YPChannel.Transport.Sockets.IDiscoveryMessageBase __msg)
{
try
{
//get valid msg
var msg = __msg as DiscoveryMessage;
if (msg == null)
{
return;
}
//create remotenodekey
var rem_nodekey = API.Plegma.NodeKey.FromBytes(msg.NodeKey, 0);
if (rem_nodekey.IsInvalid)
{
return;
}
//examine existing association
lock (RemoteNodes)
{
var remInfo = RemoteNodes.TryGetOrDefault(endpoint.ID);
if (remInfo == null)
{
//inform
DebugEx.TraceLog($"NodeDiscoverer : Discovered new node. (ip:{endpoint.IPAddress} nodekey:{rem_nodekey})");
//create entry for remote node
remInfo = new RemoteNode(Node, TimeSpan.FromMinutes(5), this)
{
RemoteEndpointID = endpoint.ID,
DiscoveryMessage = msg,
RemoteNodeKey = rem_nodekey,
};
//add to discovered remote nodes
RemoteNodes.Add(endpoint.ID, remInfo);
//hookevents
hookNewRemoteNodeEvents(remInfo);
//Start a connection attempt
remInfo.StartConnectionTask();
//raise event
if (OnRemoteNodeDiscovery != null)
{
Task.Run(() => { try { OnRemoteNodeDiscovery?.Invoke(remInfo); } catch (Exception ex) { DebugEx.Assert(ex, "Unhandled exception"); } });
}
}
else
{
//start remote node connection
if (!remInfo.IsDisposed &&
(remInfo.ClientChannel == null || (remInfo.ClientChannel.State == YPChannel.ChannelStates.Closed && !remInfo.ConnectionTaskRunning)))
{
remInfo.StartConnectionTask();
}
}
}
}
catch (Exception ex) { DebugEx.TraceError(ex, "DiscoveryTaskEntryPoint error"); }
}
