public override Task <WriteAdvancedResponse> writeAdvanced(WriteAdvancedRequest request,
ServerCallContext context)
{
_freezeUtilities.WaitForUnfreeze();
delayFunction();
return(Task.FromResult(WriteAdvanced(request)));
}
private void WriteAdvanced(string partitionId, string objectId, string objectValue)
{
var request = new WriteAdvancedRequest
{
PartitionId = partitionId, ObjectId = objectId, ObjectValue = objectValue
};
try {
var response = _client.writeAdvanced(request);
//Console.WriteLine("Am i here?");
switch (response.ResponseCase)
{
case WriteAdvancedResponse.ResponseOneofCase.Timestamp:
Console.WriteLine("Advanced Write Successful");
_previousStorage.WriteToCache(partitionId, objectId, objectValue, response.Timestamp);
break;
case WriteAdvancedResponse.ResponseOneofCase.MasterServerUrl:
Console.WriteLine($"Advanced Write - Changing to server {response.MasterServerUrl.ServerUrl}");
_usedUrl = response.MasterServerUrl.ServerUrl;
_client = BuildClientFromServerUrl(response.MasterServerUrl.ServerUrl);
WriteAdvanced(partitionId, objectId, objectValue);
break;
case WriteAdvancedResponse.ResponseOneofCase.None:
Console.WriteLine("Unexpected Error");
break;
default:
throw new ArgumentOutOfRangeException();
}
}
catch (RpcException) {
ConnectToNewServer(partitionId);
Write(partitionId, objectId, objectValue);
return;
}
catch (Exception e) {
Console.WriteLine("Error Writing");
Console.WriteLine(e.Message);
Console.ReadLine();
}
}
private WriteAdvancedResponse WriteAdvanced(WriteAdvancedRequest request)
{
Console.WriteLine("Received Write request. Id - " +
request.ObjectId + ". Value" + request.ObjectValue);
try {
var partitionId = request.PartitionId;
var objectId = request.ObjectId;
var objectValue = request.ObjectValue;
var partition = _storage.GetPartitionOrThrowException(partitionId);
if (partition.IsMaster)
{
Console.WriteLine("I'm the master of this partition");
var timestamp = _storage.WriteAdvancedMaster(partitionId, objectId, objectValue, -1);
return(new WriteAdvancedResponse {
Timestamp = timestamp
});
}
Console.WriteLine("I'm not the master of this partition");
var url = _storage.GetMasterUrl(request.PartitionId);
return(new WriteAdvancedResponse {
MasterServerUrl = new ServerUrlResponse {
ServerUrl = url
}
});
}
catch (Exception e) {
Console.WriteLine("I don't have the partition");
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
Console.WriteLine("End of exception");
return(new WriteAdvancedResponse());
}
}
