private GcpCallInvoker GetCallInvoker(string endpoint, GrpcChannelOptions options, ChannelCredentials credentials)
{
var effectiveOptions = s_defaultOptions.MergedWith(options ?? GrpcChannelOptions.Empty);
var key = new Key(endpoint, effectiveOptions);
lock (_lock)
{
if (!_callInvokers.TryGetValue(key, out GcpCallInvoker callInvoker))
{
callInvoker = new GcpCallInvoker(endpoint, credentials, GrpcCoreAdapter.Instance.ConvertOptions(effectiveOptions));
_callInvokers[key] = callInvoker;
}
return(callInvoker);
}
}
private GcpCallInvoker GetCallInvoker(string endpoint, ChannelCredentials credentials, GrpcChannelOptions options, ApiConfig apiConfig, GrpcAdapter adapter)
{
var effectiveOptions = s_defaultOptions.MergedWith(options ?? GrpcChannelOptions.Empty);
apiConfig = apiConfig.Clone();
var key = new Key(endpoint, effectiveOptions, apiConfig, adapter);
lock (_lock)
{
if (!_callInvokers.TryGetValue(key, out GcpCallInvoker callInvoker))
{
callInvoker = new GcpCallInvoker(_serviceMetadata, endpoint, credentials, effectiveOptions, apiConfig, adapter);
_callInvokers[key] = callInvoker;
}
return(callInvoker);
}
}
private GcpCallInvoker GetCallInvoker(ServiceEndpoint endpoint, IEnumerable <ChannelOption> options, ChannelCredentials credentials)
{
var optionsList = options?.ToList() ?? new List <ChannelOption>();
// "After a duration of this time the client/server pings its peer to see if the
// transport is still alive. Int valued, milliseconds."
// Required for any channel using a streaming RPC, to ensure an idle stream doesn't
// allow the TCP connection to be silently dropped by any intermediary network devices.
// 60 second keepalive time is reasonable. This will only add minimal network traffic,
// and only if the channel is idle for more than 60 seconds.
optionsList.Add(new ChannelOption("grpc.keepalive_time_ms", 60_000));
var key = new Key(endpoint, optionsList);
lock (_lock)
{
if (!_callInvokers.TryGetValue(key, out GcpCallInvoker callInvoker))
{
callInvoker = new GcpCallInvoker(endpoint.ToString(), credentials, optionsList);
_callInvokers[key] = callInvoker;
}
return(callInvoker);
}
}
