/// <summary>
/// Realizes implementation of a contract by mediating access to a <see cref="DelegateIndex"/>
/// </summary>
/// <typeparam name="TContract">The type of realized contract</typeparam>
/// <returns></returns>
internal static TContract Realize <TContract>(string implementationName, DelegateIndex delegates)
{
var implementation = new DelegatedContract(implementationName, delegates);
var type = DynamicContractImplementor.ImplementContract <TContract>(implementationName);
return((TContract)Activator.CreateInstance(type, implementation));
}
private void _Invoke(ref object RetObject, params object[] args)
{
if (args.Length < ArgumentTypes.Length) //check if a argument is using "params x[] args"
{
throw new Exception("missing arguments");
}
List <int> usedDelegates = new List <int>();
PayloadWriter pw = new PayloadWriter();
SmartSerializer serializer = new SmartSerializer();
for (int i = 0; i < args.Length; i++)
{
object obj = ArgumentTypes[i].IsByRef ? null : args[i];
if (DelegateIndex.ContainsKey(i))
{
obj = null;
}
byte[] SerializedObj = serializer.Serialize(obj);
pw.WriteInteger(SerializedObj.Length);
pw.WriteBytes(SerializedObj);
}
for (int i = 0; i < DelegateIndex.Count; i++)
{
Delegate del = args[DelegateIndex.Keys[i]] as Delegate;
if (del != null)
{
if (del.Method == null)
{
throw new Exception("Target delegate is NULL");
}
int id = rnd.Next();
while (Delegates.ContainsKey(id))
{
id = rnd.Next();
}
pw.WriteBool(true);
SharedDelegate sharedDel = new SharedDelegate(del.Method, sharedClass, del.GetType(), id, del, this.MethodId);
sharedDel.sharedMethod.Unchecked = this.Unchecked; //DelegateIndex.Values[i].isUnchecked;
sharedDel.sharedMethod.usePacketQueue = this.usePacketQueue; //DelegateIndex.Values[i].UsePacketQueue;
sharedDel.sharedMethod.useUdp = this.useUdp; //DelegateIndex.Values[i].UseUDP;
pw.WriteObject(sharedDel);
if (!isDelegate)
{
Delegates.Add(id, sharedDel);
}
continue;
}
pw.WriteBool(false);
}
try
{
if (Unchecked || useUdp)
{
//just execute the method and don't wait for response
sharedClass.Client.Send(new MsgExecuteMethod(0, pw.ToByteArray(), false, sharedClass.SharedId, MethodId, this.DelegateId, this.sharedClass.SharedId));
}
else
{
SyncObject syncObject = null;
Random rnd = new Random();
int RequestId = rnd.Next();
lock (sharedClass.Client.Requests)
{
while (sharedClass.Client.Requests.ContainsKey(RequestId))
{
RequestId = rnd.Next();
}
syncObject = new SyncObject(sharedClass.Client);
sharedClass.Client.Requests.Add(RequestId, syncObject);
sharedClass.Client.Send(new MsgExecuteMethod(RequestId, pw.ToByteArray(), true, sharedClass.SharedId, MethodId, this.DelegateId, this.sharedClass.SharedId));
}
RetObject = syncObject.Wait <ReturnResult>(null, TimeOutLength);
if (syncObject.TimedOut)
{
//copying the object in memory, maybe a strange way todo it but it works
RetObject = new ReturnResult(serializer.Deserialize(serializer.Serialize(this.TimeOutValue)), false);
}
}
}
catch
{
//client most likely disconnected and was unable to send the message
RetObject = null;
}
/*if (callback != null)
* {
* sharedClass.connection.BeginSendRequest(pw, callback, true, this.usePacketQueue);
* }
* else
* {
* if (Unchecked || useUdp)
* {
* //just don't wait till we received something back since it's a VOID anyway
* sharedClass.connection.BeginSendRequest(pw, (object obj) => { }, false, this.usePacketQueue);
* }
* else
* {
* RetObject = sharedClass.connection.SendRequest(pw, this.usePacketQueue);
* }
* }*/
serializer = null;
}
internal DelegateIndexBuilder()
{
delegates = new DelegateIndex();
}
public DelegatedContract(string implementationName, DelegateIndex delegates)
{
this.implementationName = implementationName;
this.delegates = delegates;
}