public static async Task Execute(ConnectionManager connectionManager, string partitionId, string objectId, string value)
{
while (true)
{
Server server = connectionManager.ChooseServerForWrite(partitionId);
Console.WriteLine($"Trying: {server.Id}");
GStoreWriteRequest writeRequest = new GStoreWriteRequest()
{
Object = new DataObject()
{
ObjectIdentifier = new DataObjectIdentifier
{
PartitionId = partitionId,
ObjectId = objectId
},
Value = value
}
};
try
{
await server.Stub.WriteAsync(writeRequest);
return;
}
catch (Grpc.Core.RpcException e) when(e.StatusCode == Grpc.Core.StatusCode.Internal)
{
await connectionManager.DeclareDead(server.Id);
}
}
}
private async Task <Empty> ExecuteWrite(GStoreWriteRequest request)
{
Console.WriteLine($"Write request -> PartitionId: {request.Object.ObjectIdentifier.PartitionId} ObjectId: {request.Object.ObjectIdentifier} Value: {request.Object.Value}");
GStoreObjectIdentifier gStoreObjectIdentifier = new GStoreObjectIdentifier(request.Object.ObjectIdentifier.PartitionId, request.Object.ObjectIdentifier.ObjectId);
await gStore.Write(gStoreObjectIdentifier, request.Object.Value);
return(new Empty());
}
public static async Task Execute(ConnectionManager connectionManager, string partitionId, string objectId, string value)
{
Server server = null;
try
{
server = connectionManager.ChooseServer(partitionId, "-1");
if (!server.Alive)
{
server = null;
}
}
catch (ServerBindException)
{
// nothing
}
while (true)
{
if (server == null)
{
IImmutableSet <Server> replicas = connectionManager.GetAliveServers(partitionId);
Random rnd = new Random();
server = replicas.ElementAt(rnd.Next(0, replicas.Count));
connectionManager.Attach(server);
}
Console.WriteLine($"Trying: {server.Id}");
GStoreWriteRequest writeRequest = new GStoreWriteRequest()
{
Object = new DataObject()
{
ObjectIdentifier = new DataObjectIdentifier
{
PartitionId = partitionId,
ObjectId = objectId
},
Value = value
}
};
try
{
await server.Stub.WriteAsync(writeRequest);
return;
}
catch (Grpc.Core.RpcException e) when(e.StatusCode == Grpc.Core.StatusCode.Internal)
{
connectionManager.DeclareDead(server.Id);
server = null;
}
}
}
public override Task <Empty> Write(GStoreWriteRequest request, ServerCallContext context)
{
return(Task.FromResult(ExecuteWrite(request)));
}