private Grpc.Core.AsyncDuplexStreamingCall <Nacos.Payload, Nacos.Payload> BindRequestStream(Nacos.BiRequestStream.BiRequestStreamClient client, GrpcConnection grpcConn)
{
var call = client.requestBiStream();
System.Threading.Tasks.Task.Factory.StartNew(
async() =>
{
var cts = new System.Threading.CancellationTokenSource();
while (await call.ResponseStream.MoveNext(cts.Token))
{
var current = call.ResponseStream.Current;
var parseBody = GrpcUtils.Parse(current);
var request = (CommonRequest)parseBody;
if (request != null)
{
try
{
var response = HandleServerRequest(request);
response.RequestId = request.RequestId;
await call.RequestStream.WriteAsync(GrpcUtils.Convert(response));
}
catch (Exception)
{
throw;
}
}
}
if (IsRunning() && !grpcConn.IsAbandon())
{
logger?.LogInformation(" Request Stream onCompleted ,switch server ");
if (System.Threading.Interlocked.CompareExchange(ref rpcClientStatus, RpcClientStatus.UNHEALTHY, RpcClientStatus.RUNNING) == RpcClientStatus.RUNNING)
{
SwitchServerAsync();
}
}
else
{
logger?.LogInformation("client is not running status ,ignore complete event ");
}
}, System.Threading.Tasks.TaskCreationOptions.LongRunning);
return(call);
}
private CommonResponse ServerCheck(Grpc.Core.ChannelBase channel)
{
try
{
var payload = GrpcUtils.Convert <object>(new { }, new RequestMeta {
Type = RemoteRequestType.Req_ServerCheck
});
var client = new Nacos.Request.RequestClient(channel);
var resp = client.request(payload);
var res = GrpcUtils.Parse(resp);
return((CommonResponse)res);
}
catch (Exception ex)
{
logger?.LogError(ex, "[{0}]Fail to server check!", GetName());
return(null);
}
}