private StreamConnectionThreadData[] OpenStreamChannel(UpDevice device, Call serviceCall, CallContext messageContext)
{
StreamConnectionThreadData[] data = null;
//Channel type decision
string netType = null;
if (serviceCall.channelType != null)
{
netType = serviceCall.channelType;
}
else
{
UpNetworkInterface network = GetAppropriateInterface(device);
netType = network.netType;
}
int channels = serviceCall.channels;
data = new StreamConnectionThreadData[channels];
string[] channelIDs = new string[channels];
for (int i = 0; i < channels; i++)
{
NetworkDevice networkDevice = GetAvailableNetworkDevice(netType);
channelIDs[i] = Util.GetPort(networkDevice.networkDeviceName);
StreamConnectionThreadData thread = new StreamConnectionThreadData(this, messageContext, networkDevice);
thread.thread.Start();
data[i] = thread;
}
serviceCall.channelIDs = channelIDs;
serviceCall.channelType = netType;
return(data);
}
private Response RemoteServiceCall(
UpDevice target,
Call serviceCall,
StreamConnectionThreadData[] streamData,
CallContext messageContext)
{
try
{
logger.Log("Call service on " + target.name + ": " + Json.Serialize(serviceCall.ToJSON()));
// Encodes and sends call message.
string msg = Json.Serialize(serviceCall.ToJSON()) + "\n";
Response r;
string responseMsg = SendMessage(msg, target);
if (responseMsg != null)
{
r = Response.FromJSON(Json.Deserialize(responseMsg));
r.messageContext = messageContext;
return r;
}
else
throw new System.Exception("No response received from call.");
}
catch (System.Exception e)
{
logger.LogError("Error on remote service call: " + e.ToString());
CloseStreams(streamData);
throw new ServiceCallException(e);
}
}
private StreamConnectionThreadData[] OpenStreamChannel(UpDevice device, Call serviceCall, CallContext messageContext)
{
StreamConnectionThreadData[] data = null;
//Channel type decision
string netType = null;
if (serviceCall.channelType != null)
netType = serviceCall.channelType;
else
{
UpNetworkInterface network = GetAppropriateInterface(device);
netType = network.netType;
}
int channels = serviceCall.channels;
data = new StreamConnectionThreadData[channels];
string[] channelIDs = new string[channels];
for (int i = 0; i < channels; i++)
{
NetworkDevice networkDevice = GetAvailableNetworkDevice(netType);
channelIDs[i] = Util.GetPort(networkDevice.networkDeviceName);
StreamConnectionThreadData thread = new StreamConnectionThreadData(this, messageContext, networkDevice);
thread.thread.Start();
data[i] = thread;
}
serviceCall.channelIDs = channelIDs;
serviceCall.channelType = netType;
return data;
}
private Response LocalServiceCall(
Call serviceCall,
StreamConnectionThreadData[] streamData,
CallContext messageContext)
{
logger.Log("Handling Local ServiceCall");
try
{
Response response = HandleServiceCall(serviceCall, messageContext);
response.messageContext = messageContext;
return response;
}
catch (System.Exception e)
{
// if there was an opened stream channel, it must be closed
CloseStreams(streamData);
throw new ServiceCallException(e);
}
}
private void CloseStreams(StreamConnectionThreadData[] streamData)
{
if (streamData != null)
{
foreach (var s in streamData)
s.thread.Abort();
}
}
