public ServiceChannel(string name, ServiceProvider provider, DataFormatter formatter)
: this(name, provider)
{
Formatter = formatter;
}
public ChannelMessageFormatter(DataFormatter dataFormatter)
{
Formatter = new DataFormatter();
}
internal void Receive_3_InvokeMethod(CommunicationReceiveEventArgs e)
{
byte[] data;
ServiceChannel channel;
int methodIndex;
object[] args;
BinaryDataReader reader = new BinaryDataReader(e.Data);
var channelName = reader.ReadString().ToLower().Trim();
channel = ChannelBuffer.Keys.SingleOrDefault(t => t.Name.ToLower().Trim() == channelName);
if (channel == null)
{
data = MessageFormatter.FromChannelMethodResult(null, "ChannelNotExist");
Client.Send(data, e.Head);
return;
}
methodIndex = reader.ReadInt32();
if (methodIndex >= channel.Provider.ClientOperations.Count)
{
data = MessageFormatter.FromChannelMethodResult(null, "MethodNotExist");
Client.Send(data, e.Head);
return;
}
var method = channel.Provider.ClientOperations[methodIndex];
var parameter = method.GetParameters();
args = new object[reader.ReadByte()];
for (int i = 0; i < args.Length; i++)
{
if (channel.Formatter != null)
{
args[i] = channel.Formatter.Deserialize(parameter[i].ParameterType, reader.ReadBytes());
}
else
{
args[i] = DataFormatter.Deserialize(parameter[i].ParameterType, reader.ReadBytes());
}
}
var instance = ChannelBuffer[channel].GetType().GetMethod("GetChannel").Invoke(ChannelBuffer[channel], null);
if (instance == null)
{
data = MessageFormatter.FromChannelMethodResult(null, "InstanceCreateFailed");
Client.Send(data, e.Head);
return;
}
object result;
try
{
result = method.Invoke(instance, args);
}
catch (ArgumentException)
{
data = MessageFormatter.FromChannelMethodResult(null, "MethodParametersError");
Client.Send(data, e.Head);
return;
}
catch (Exception)
{
data = MessageFormatter.FromChannelMethodResult(null, "MethodRuntimeError");
Client.Send(data, e.Head);
return;
}
data = MessageFormatter.FromChannelMethodResult(result, null);
Client.Send(data, e.Head);
}