public override async Task <MessageEntry> CallFunction(MessageEntry rr_m)
{
string rr_ename = rr_m.MemberName;
MessageEntry rr_mr = new MessageEntry(MessageEntryType.FunctionCallRes, rr_ename);
switch (rr_ename)
{
case "GetLocalNodeServices": {
object rr_ret = await obj.GetLocalNodeServices(default(CancellationToken));
rr_mr.AddElement(new MessageElement("return", RRContext.PackMapType <int, ServiceInfo>(rr_ret)));
break;
}
case "GetRoutedNodes": {
object rr_ret = await obj.GetRoutedNodes(default(CancellationToken));
rr_mr.AddElement(new MessageElement("return", RRContext.PackMapType <int, NodeInfo>(rr_ret)));
break;
}
case "GetDetectedNodes": {
object rr_ret = await obj.GetDetectedNodes(default(CancellationToken));
rr_mr.AddElement(new MessageElement("return", RRContext.PackMapType <int, NodeInfo>(rr_ret)));
break;
}
default:
throw new MemberNotFoundException("Member not found");
}
return(rr_mr);
}
public override async Task <MessageEntry> CallGetProperty(MessageEntry m)
{
string ename = m.MemberName;
MessageEntry mr = new MessageEntry(MessageEntryType.PropertyGetRes, ename);
switch (ename)
{
case "d1":
{
double ret = await obj.get_d1();
mr.AddElement(MessageElementUtil.PackScalar <double>("value", ret));
break;
}
case "d2":
{
double[] ret = await obj.get_d2();
mr.AddElement(MessageElementUtil.PackArray <double>("value", ret));
break;
}
default:
throw new MemberNotFoundException("Member not found");
}
return(mr);
}
public async Task Close(CancellationToken cancel = default(CancellationToken))
{
cancel_source.Cancel();
try
{
MessageEntry e = new MessageEntry(MessageEntryType.DisconnectClient, "");
e.AddElement("servicename", ServiceName);
await ProcessRequest(e, cancel);
}
catch (Exception)
{
}
stubs.Clear();
m_Connected = false;
node.DeleteEndpoint(this);
try
{
if (ClientServiceListener != null)
{
ClientServiceListener(this, ClientServiceListenerEventType.ClientClosed, null);
}
}
catch { }
}
protected async Task <ServiceDefinition> PullServiceDefinition(string servicetype, CancellationToken cancel)
{
var e3 = new MessageEntry(MessageEntryType.GetServiceDesc, "");
e3.ServicePath = m_ServiceName;
if (servicetype != null)
{
e3.AddElement("ServiceType", servicetype);
}
var res = await ProcessRequest(e3, cancel);
var def = res.FindElement("servicedef").CastData <string>();
if (def == "")
{
throw new ServiceNotFoundException("Could not find service definition");
}
var d = new ServiceDefinition();
d.FromString(def);
if (servicetype == null)
{
if (res.elements.Count(x => x.ElementName == "attributes") != 0)
{
lock (this)
{
Attributes = (Dictionary <string, object>)node.UnpackMapType <string, object>(res.FindElement("attributes").CastData <MessageElementMap <string> >(), null);
}
}
}
return(d);
}
protected override async Task Close(PipeEndpoint e, Endpoint ee = null, CancellationToken cancel = default(CancellationToken))
{
MessageEntry m = new MessageEntry(MessageEntryType.PipeDisconnectReq, MemberName);
m.AddElement("index", e.Index);
MessageEntry ret = await stub.ProcessRequest(m, cancel);
}
protected override async Task SendPipePacket(T data, int index, uint packetnumber, bool requestack, Endpoint e = null, CancellationToken cancel = default(CancellationToken))
{
MessageElement me = PackPacket(data, index, packetnumber, requestack);
MessageEntry m = new MessageEntry(MessageEntryType.PipePacket, MemberName);
m.AddElement(me);
await stub.SendPipeMessage(m, cancel);
}
protected override async Task Close(PipeEndpoint e, Endpoint ee, CancellationToken cancel = default(CancellationToken))
{
MessageEntry m = new MessageEntry(MessageEntryType.PipeClosed, MemberName);
m.AddElement("index", e.Index);
await skel.SendPipeMessage(m, ee, cancel);
DeleteEndpoint(e);
}
public async Task <string> AuthenticateUser(string username, object credentials, CancellationToken cancel = default(CancellationToken))
{
MessageEntry m = new MessageEntry(MessageEntryType.ClientSessionOpReq, "AuthenticateUser");
m.ServicePath = ServiceName;
m.AddElement("username", username);
if (credentials is Dictionary <string, object> )
{
m.AddElement("credentials", PackMapType <string, object>(credentials));
}
else if (credentials is MessageElement)
{
MessageElement mcredentials = (MessageElement)credentials;
mcredentials.ElementName = "credentials";
m.AddElement(mcredentials);
}
MessageEntry ret = await ProcessRequest(m, cancel);
m_AuthenticatedUsername = username;
m_UserAuthenticated = true;
return(ret.FindElement("return").CastData <string>());
}
public async Task <string> LogoutUser(CancellationToken cancel = default(CancellationToken))
{
if (!UserAuthenticated)
{
throw new AuthenticationException("User is not authenticated");
}
m_UserAuthenticated = false;
m_AuthenticatedUsername = null;
MessageEntry m = new MessageEntry(MessageEntryType.ClientSessionOpReq, "LogoutUser");
m.ServicePath = ServiceName;
m.AddElement("username", AuthenticatedUsername);
MessageEntry ret = await ProcessRequest(m, cancel);
return(ret.FindElement("return").CastData <string>());
}
protected override async Task SendPipePacket(T data, int index, uint packetnumber, bool requestack, Endpoint e = null, CancellationToken cancel = default(CancellationToken))
{
if (!pipeendpoints.ContainsKey(e.LocalEndpoint))
{
throw new Exception("Pipe has been disconnect");
}
if (!pipeendpoints[e.LocalEndpoint].ContainsKey(index))
{
throw new Exception("Pipe has been disconnected");
}
MessageElement me = PackPacket(data, index, packetnumber, requestack);
MessageEntry m = new MessageEntry(MessageEntryType.PipePacket, MemberName);
m.AddElement(me);
await skel.SendPipeMessage(m, e, cancel);
}
protected virtual void CheckEndpointCapabilityMessage(Message m)
{
uint capability = 0;
MessageEntry e;
Message ret = new Message();
ret.header = new MessageHeader();
ret.header.ReceiverNodeName = m.header.SenderNodeName;
ret.header.SenderNodeName = node.NodeName;
ret.header.ReceiverNodeID = m.header.SenderNodeID;
ret.header.ReceiverEndpoint = m.header.SenderEndpoint;
ret.header.SenderEndpoint = m.header.ReceiverEndpoint;
ret.header.SenderNodeID = node.NodeID;
try
{
if (m.entries.Count == 0)
{
throw new InvalidOperationException();
}
e = m.entries[0];
MessageEntry eret = ret.AddEntry(MessageEntryType.EndpointCheckCapabilityRet, m.entries[0].MemberName);
eret.RequestID = e.RequestID;
eret.ServicePath = e.ServicePath;
if (e.EntryType != MessageEntryType.EndpointCheckCapability)
{
throw new InvalidOperationException();
}
string name = e.MemberName;
capability = EndpointCapability(name);
eret.AddElement("return", capability);
}
catch
{
}
SendMessage(ret, default(CancellationToken)).IgnoreResult();
}
public override async Task <MessageEntry> CallFunction(MessageEntry rr_m)
{
string rr_ename = rr_m.MemberName;
MessageEntry rr_mr = new MessageEntry(MessageEntryType.FunctionCallRes, rr_ename);
switch (rr_ename)
{
case "add_val":
{
double v = (MessageElementUtil.UnpackScalar <double>(MessageElementUtil.FindElement(rr_m, "v")));
double rr_ret = await this.obj.add_val(v, default(CancellationToken));
rr_mr.AddElement(MessageElementUtil.PackScalar <double>("return", rr_ret));
break;
}
default:
throw new MemberNotFoundException("Member not found");
}
return(rr_mr);
}
public override async Task <PipeEndpoint> Connect(int index, CancellationToken cancel = default(CancellationToken))
{
object connecting_key = new object();
connecting.Add(Tuple.Create(index, connecting_key));
int rindex = -1;
try
{
MessageEntry m = new MessageEntry(MessageEntryType.PipeConnectReq, MemberName);
m.AddElement("index", index);
MessageEntry ret = await stub.ProcessRequest(m, cancel);
rindex = (ret.FindElement("index").CastData <int[]>())[0];
PipeEndpoint e;
if (early_endpoints.ContainsKey(rindex))
{
e = early_endpoints[rindex];
early_endpoints.Remove(rindex);
}
else
{
e = new PipeEndpoint(this, rindex);
}
pipeendpoints.Add(rindex, e);
return(e);
}
finally
{
connecting.RemoveAll(x => Object.ReferenceEquals(x.Item2, connecting_key));
if (connecting.Count == 0)
{
early_endpoints.Clear();
}
}
}
public async Task <RobotRaconteurNode.MonitorLock> MonitorEnter(object obj, int timeout, CancellationToken cancel = default(CancellationToken))
{
bool iserror = true;
IDisposable lock_ = null;
try
{
if (!(obj is ServiceStub))
{
throw new InvalidOperationException("Can only unlock object opened through Robot Raconteur");
}
ServiceStub s = (ServiceStub)obj;
lock_ = await s.rr_async_mutex.Lock();
bool keep_trying = true;
MessageEntry m = new MessageEntry(MessageEntryType.ClientSessionOpReq, "MonitorEnter");
m.ServicePath = s.RRServicePath;
m.AddElement("timeout", timeout);
MessageEntry ret = await ProcessRequest(m, cancel);
string retcode = ret.FindElement("return").CastData <string>();
if (retcode == "OK")
{
iserror = false;
return(new RobotRaconteurNode.MonitorLock
{
lock_ = lock_,
stub = s
});
}
if (retcode == "Continue")
{
while (keep_trying)
{
MessageEntry m1 = new MessageEntry(MessageEntryType.ClientSessionOpReq, "MonitorContinueEnter");
m1.ServicePath = s.RRServicePath;
MessageEntry ret1 = await ProcessRequest(m1, cancel);
string retcode1 = ret1.FindElement("return").CastData <string>();
if (retcode1 == "OK")
{
iserror = false;
return(new RobotRaconteurNode.MonitorLock
{
lock_ = lock_,
stub = s
});
}
if (retcode1 != "Continue")
{
throw new ProtocolException("Unknown return code");
}
}
}
else
{
throw new ProtocolException("Unknown return code");
}
}
finally
{
if (iserror)
{
if (lock_ != null)
{
try
{
lock_.Dispose();
}
catch { }
}
//Monitor.Exit(obj);
}
}
throw new ProtocolException("Unknown return code");
}
public static void ExceptionToMessageEntry(Exception exception, MessageEntry entry)
{
if (exception is InvalidOperationException)
{
entry.Error = MessageErrorType.InvalidOperation;
entry.AddElement("errorname", "RobotRaconteur.InvalidOperation");
entry.AddElement("errorstring", exception.Message);
return;
}
if (exception is ArgumentException)
{
entry.Error = MessageErrorType.InvalidArgument;
entry.AddElement("errorname", "RobotRaconteur.InvalidArgument");
entry.AddElement("errorstring", exception.Message);
return;
}
if (exception is NullReferenceException)
{
entry.Error = MessageErrorType.NullValue;
entry.AddElement("errorname", "RobotRaconteur.NullValue");
entry.AddElement("errorstring", exception.Message);
return;
}
if (exception is NotImplementedException)
{
entry.Error = MessageErrorType.NotImplementedError;
entry.AddElement("errorname", "RobotRaconteur.NotImplementedError");
entry.AddElement("errorstring", exception.Message);
return;
}
if (exception is ArgumentOutOfRangeException)
{
entry.Error = MessageErrorType.OutOfRange;
entry.AddElement("errorname", "RobotRaconteur.OutOfRange");
entry.AddElement("errorstring", exception.Message);
return;
}
if (exception is KeyNotFoundException)
{
entry.Error = MessageErrorType.KeyNotFound;
entry.AddElement("errorname", "RobotRaconteur.KeyNotFound");
entry.AddElement("errorstring", exception.Message);
return;
}
if (exception is System.IO.IOException)
{
entry.Error = MessageErrorType.IOError;
entry.AddElement("errorname", "RobotRaconteur.IOError");
entry.AddElement("errorstring", exception.Message);
return;
}
if (exception is RobotRaconteurException)
{
RobotRaconteurException r = (RobotRaconteurException)exception;
entry.Error = r.ErrorCode;
entry.AddElement("errorname", r.Error);
entry.AddElement("errorstring", r.Message);
}
else
{
entry.Error = MessageErrorType.RemoteError;
entry.AddElement("errorname", exception.GetType().ToString());
entry.AddElement("errorstring", exception.Message);
}
}
public Task <MessageEntry> PipeCommand(MessageEntry m, Endpoint e)
{
lock (pipeendpointlock)
{
switch (m.EntryType)
{
case MessageEntryType.PipeConnectReq:
{
if (!pipeendpoints.Keys.Contains(e.LocalEndpoint))
{
pipeendpoints.Add(e.LocalEndpoint, new Dictionary <int, PipeEndpoint>());
}
Dictionary <int, PipeEndpoint> ep = pipeendpoints[e.LocalEndpoint];
int index = (m.FindElement("index").CastData <int[]>())[0];
if (index == -1)
{
index = (ep.Count == 0) ? 1 : (ep.Keys.Max() + 1);
}
if (ep.Keys.Contains(index))
{
throw new Exception("Pipe endpoint index in use");
}
PipeEndpoint p = new PipeEndpoint(this, index, e);
ep.Add(index, p);
try
{
if (callback != null)
{
callback(p);
}
}
catch { }
MessageEntry ret = new MessageEntry(MessageEntryType.PipeConnectRet, MemberName);
ret.AddElement("index", index);
return(Task.FromResult(ret));
}
case MessageEntryType.PipeDisconnectReq:
{
if (!pipeendpoints.Keys.Contains(e.LocalEndpoint))
{
throw new Exception("Invalid pipe");
}
Dictionary <int, PipeEndpoint> ep = pipeendpoints[e.LocalEndpoint];
int index = (m.FindElement("index").CastData <int[]>())[0];
if (!ep.Keys.Contains(index))
{
throw new Exception("Invalid pipe");
}
ep.Remove(index);
return(Task.FromResult(new MessageEntry(MessageEntryType.PipeDisconnectReq, MemberName)));
}
default:
throw new Exception("Invalid Command");
}
}
}