protected List <TMessage> EndSendMessageParallel <TMessage>(IAsyncResult ar)
where TMessage : DnsMessageBase, new()
{
DnsClientParallelAsyncState <TMessage> state = (DnsClientParallelAsyncState <TMessage>)ar;
return(state.Responses);
}
protected IAsyncResult BeginSendMessageParallel <TMessage>(TMessage message, AsyncCallback requestCallback, object state)
where TMessage : DnsMessageBase, new()
{
List <DnsClientEndpointInfo> endpointInfos = GetEndpointInfos <TMessage>();
DnsClientParallelAsyncState <TMessage> asyncResult =
new DnsClientParallelAsyncState <TMessage>
{
UserCallback = requestCallback,
AsyncState = state,
Responses = new List <TMessage>(),
ResponsesToReceive = endpointInfos.Count
};
foreach (var endpointInfo in endpointInfos)
{
DnsClientParallelState <TMessage> parallelState = new DnsClientParallelState <TMessage> {
ParallelMessageAsyncState = asyncResult
};
lock (parallelState.Lock)
{
parallelState.SingleMessageAsyncResult = BeginSendMessage(message, new List <DnsClientEndpointInfo> {
endpointInfo
}, SendMessageFinished <TMessage>, parallelState);
}
}
return(asyncResult);
}