public override async Task <string> ProcessRequestAsync(string query, TimeSpan timeout)
{
timeout = TimeSpan.FromSeconds(timeout.TotalSeconds / ReplicaAddresses.Length);
var shuffledAddresses = ReplicaAddresses.Shuffle();
var filtredAddresses = shuffledAddresses.Where(server => DateTime.Now - mutedServers[server] > TimeInBan).ToList();
if (filtredAddresses.Count == 0)
{
filtredAddresses = shuffledAddresses.OrderBy(server => DateTime.Now - mutedServers[server]).ToList();
}
var webRequests = filtredAddresses.Select(uri => CreateRequest(uri + "?query=" + query));
foreach (var request in webRequests)
{
Log.InfoFormat("Processing {0}", request.RequestUri);
var task = ProcessRequestAsync(request);
await Task.WhenAny(task, Task.Delay(timeout));
if (task.IsCompleted && !task.IsFaulted)
{
return(task.Result);
}
mutedServers[request.Host] = DateTime.Now;
}
throw new TimeoutException();
}
public override async Task <string> ProcessRequestAsync(string query, TimeSpan timeout)
{
var time = TimeSpan.FromSeconds(timeout.TotalSeconds / ReplicaAddresses.Length);
var shuffledAddresses = ReplicaAddresses.Shuffle();
var webRequests = shuffledAddresses.Select(uri => CreateRequest(uri + "?query=" + query));
foreach (var request in webRequests)
{
Log.InfoFormat("Processing {0}", request.RequestUri);
var task = ProcessRequestAsync(request);
await Task.WhenAny(task, Task.Delay(time));
if (task.IsCompleted && !task.IsFaulted)
{
return(task.Result);
}
}
throw new TimeoutException();
}
public override async Task <string> ProcessRequestAsync(string query, TimeSpan timeout)
{
ReplicaAddresses.Shuffle(rand);
var timeoutOneTask = new TimeSpan(timeout.Ticks / ReplicaAddresses.Length);
var timerForAllTasks = Task.Delay(timeout);
var resultTasks = new List <Task> {
timerForAllTasks
};
foreach (var uri in ReplicaAddresses)
{
var timer = Task.Delay(timeoutOneTask);
var webRequest = CreateRequest(uri + "?query=" + query);
Log.InfoFormat("Processing {0}", webRequest.RequestUri);
resultTasks.Add(ProcessRequestAsync(webRequest));
var taskWithTimer = resultTasks.Concat(new[] { timer }).ToList();
var completed = await Task.WhenAny(taskWithTimer);
if (timerForAllTasks.IsCompleted)
{
throw new TimeoutException();
}
if (timer.IsCompleted)
{
continue;
}
if (!completed.IsFaulted)
{
return(((Task <string>)completed).Result);
}
resultTasks.Remove(completed);
}
throw new TimeoutException();
}
