bool RespondersToRetransmittedRequests_ProcessPacket(IPEndPoint requesterEndpoint, byte[] udpData)
{
var key = new RequestKey(udpData, requesterEndpoint);
if (_respondersToRetransmittedRequests.TryGetValue(key, out var responder))
{
if (WriteToLog_udp_deepDetail_enabled)
{
WriteToLog_udp_deepDetail($"responding {(PacketTypes)responder.ResponseUdpPayloadData[0]} to retransmitted request {(PacketTypes)udpData[0]} (hash={MiscProcedures.GetArrayHashCodeString(udpData)})");
}
SendPacket(responder.ResponseUdpPayloadData, requesterEndpoint);
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// sends response to requests
/// creates an object "ResponderToRetransmittedRequests" which handles further restransmitted requests (in case if the sent response gets lost)
/// </summary>
internal void RespondToRequestAndRetransmissions(byte[] requestUdpPayloadData, byte[] responseUdpPayloadData, IPEndPoint requesterEndpoint)
{
SendPacket(responseUdpPayloadData, requesterEndpoint);
var key = new RequestKey(requestUdpPayloadData, requesterEndpoint);
var responder = new ResponderToRetransmittedRequests
{
RequestKey = key,
ExpirationTimeUTC = DateTimeNowUtc + Configuration.ResponderToRetransmittedRequestsTimeout,
ResponseUdpPayloadData = responseUdpPayloadData
};
_respondersToRetransmittedRequests.Remove(key); // remove in case if responder s=to same request is already added
_respondersToRetransmittedRequests.Add(key, responder);
_respondersToRetransmittedRequestsOldestFirst.AddLast(responder);
if (_respondersToRetransmittedRequests.Count > 200)
{
WriteToLog_udp_lightPain($"_respondersToRetransmittedRequests.Count={_respondersToRetransmittedRequests.Count}");
}
}