internal bool InvokeChannelExist(string channelName)
{
var data = MessageFormatter.FromChannelExist(channelName);
var head = new byte[17];
head[0] = 0;
var id = Guid.NewGuid();
id.ToByteArray().CopyTo(head, 1);
bool completed = false;
while (!completed)
{
try
{
Client.Send(data, head);
IOManager.BeginMessage(id);
completed = true;
}
catch
{
}
}
return(IOManager.EndMessage(id)[0] == 1);
}
internal object InvokeMethod(string channelName, string methodName, int methodIndex, object[] args, Type returnType)
{
var data = MessageFormatter.FromChannelMethodInvoke(channelName, methodIndex, args);
var head = new byte[17];
head[0] = 3;
var id = Guid.NewGuid();
id.ToByteArray().CopyTo(head, 1);
ServiceContext.Current.User.Client.Send(data, head);
IOManager.BeginMessage(id);
object result;
string errorMsg;
MessageFormatter.ToChannelMethodResult(IOManager.EndMessage(id), returnType, out result, out errorMsg);
if (errorMsg == null)
{
return(result);
}
switch (errorMsg)
{
case "ChannelNotExist":
throw new ChannelNotExistException(channelName, ServiceContext.Current.User.Client.EndPoint);
case "MethodNotExist":
throw new MethodNotExistException(channelName, methodName, ServiceContext.Current.User.Client.EndPoint);
case "MethodParametersError":
throw new MethodParamaterException(channelName, methodName, ServiceContext.Current.User.Client.EndPoint, args);
case "MethodRuntimeError":
throw new MethodRuntimeException(channelName, methodName, ServiceContext.Current.User.Client.EndPoint);
}
return(null);
}