public override async Task RequestFrameStream(
Grpc.Core.IAsyncStreamReader <CameraAcquisitionRequest> requestStream,
Grpc.Core.IServerStreamWriter <BufferedFramesResponse> responseStream, Grpc.Core.ServerCallContext context)
{
lock (_frameStreamWriterLock)
{
_frameStreamWriter = responseStream;
}
while (await requestStream.MoveNext() && !context.CancellationToken.IsCancellationRequested)
{
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
var result = await RequestCameraAcquisition(requestStream.Current, context);
if (result.Error != null)
{
lock (_frameStreamWriterLock)
{
responseStream.WriteAsync(new BufferedFramesResponse()
{
Error = result.Error
});
break;
}
}
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
}
lock (_frameStreamWriterLock)
{
_frameStreamWriter = null;
}
}
public override async Task <HelloReply> SayHello(Grpc.Core.IAsyncStreamReader <HelloRequest> requestStream, Grpc.Core.ServerCallContext context)
{
while (await requestStream.MoveNext(context.CancellationToken))
{
Console.WriteLine($"Gelen İsim: {requestStream.Current.Name}");
}
return(new HelloReply
{
Message = "Mesaj alındı gardaş.. :)"
});
}
public override async Task <SettingsSavedReply> SaveSites(Grpc.Core.IAsyncStreamReader <Settings> requestStream,
Grpc.Core.ServerCallContext context)
{
int savedCount = -1;
try
{
bool nextExist = await requestStream.MoveNext();
String userid = requestStream.Current.Userid;
List <String> settings = new List <String>();
//settings.Add(requestStream.Current.Field);
//var stopwatch = new System.Diagnostics.Stopwatch();
//stopwatch.Start();
do
{
settings.Add(requestStream.Current.Field);
nextExist = await requestStream.MoveNext();
} while (nextExist);
//stopwatch.Stop();
savedCount = db.SetUserSettings(userid, settings, "site");
}
catch (Exception e)
{
Console.WriteLine("\nServer: Error while adding user settings.\n" + e.Message);
}
finally {
Console.WriteLine(savedCount);
}
return(new SettingsSavedReply {
Count = savedCount
});
}
public override async Task <GreetResponse> GreetClientStream(Grpc.Core.IAsyncStreamReader <GreetRequest> requestStream, Grpc.Core.ServerCallContext context)
{
Console.WriteLine("Server received a stream greet request. Server will response normally!!!");
StringBuilder build = new StringBuilder();
while (await requestStream.MoveNext())
{
build.Append("Hello ");
build.Append(requestStream.Current.Greet.FirstName);
build.Append(" ");
build.Append(requestStream.Current.Greet.LastName);
build.Append(Environment.NewLine);
}
return(new GreetResponse()
{
Response = build.ToString()
});
}
public override async Task Mailbox(Grpc.Core.IAsyncStreamReader <ForwardMailMessage> requestStream, Grpc.Core.IServerStreamWriter <MailboxMessage> responseStream, Grpc.Core.ServerCallContext context)
{
var mailboxName = context.RequestHeaders.Single(e => e.Key == "mailbox-name").Value;
var mailQueue = _messageQueueRepository.GetMailQueue(mailboxName);
_logger.LogInformation($"Connected to {mailboxName}");
mailQueue.Changed += ReportChanges;
try
{
while (await requestStream.MoveNext())
{
if (mailQueue.TryForwardMail(out var message))
{
_logger.LogInformation($"Forwarded mail:{message.Content}");
}
else
{
_logger.LogWarning("No mail to forward.");
}
}
}
finally
{
mailQueue.Changed -= ReportChanges;
}
_logger.LogInformation($"{mailboxName} disconnected.");
async Task ReportChanges((int totalCount, int forwardCount, MailboxMessage.Types.Reason reason) state)
{
await responseStream.WriteAsync(new MailboxMessage
{
Forwarded = state.forwardCount,
New = state.totalCount - state.forwardCount,
Reason = state.reason
});
}
}