protected override bool ExecuteAction()
{
PooledSocket socket = this.Socket;
if (socket == null)
{
return(false);
}
socket.SendCommand("get " + this.HashedKey);
GetResponse r = GetHelper.ReadItem(this.Socket);
if (r != null)
{
this.result = this.ServerPool.Transcoder.Deserialize(r.Item);
GetHelper.FinishCurrent(this.Socket);
}
return(true);
}
protected override bool ExecuteAction()
{
// {hashed key -> normal key}: will be used when mapping the returned items back to the original keys
Dictionary <string, string> hashedToReal = new Dictionary <string, string>(StringComparer.Ordinal);
// {normal key -> hashed key}: we have to hash all keys anyway, so we better cache them to improve performance instead of doing the hashing later again
Dictionary <string, string> realToHashed = new Dictionary <string, string>(StringComparer.Ordinal);
IMemcachedKeyTransformer transformer = this.ServerPool.KeyTransformer;
// and store them with the originals so we can map the returned items
// to the original keys
foreach (string s in this.keys)
{
string hashed = transformer.Transform(s);
hashedToReal[hashed] = s;
realToHashed[s] = hashed;
}
// map each key to the appropriate server in the pool
IDictionary <MemcachedNode, IList <string> > splitKeys = this.ServerPool.SplitKeys(this.keys);
// we'll open 1 socket for each server
List <PooledSocket> sockets = new List <PooledSocket>();
try
{
string[] command;
// send a 'gets' to each server
foreach (KeyValuePair <MemcachedNode, IList <string> > kp in splitKeys)
{
// gets <keys>
//
// keys: key key key key
command = new string[kp.Value.Count + 1];
command[0] = "gets";
kp.Value.CopyTo(command, 1);
for (int i = 1; i < command.Length; i++)
{
command[i] = realToHashed[command[i]];
}
PooledSocket socket = kp.Key.Acquire();
if (socket == null)
{
continue;
}
sockets.Add(socket);
socket.SendCommand(String.Join(" ", command));
}
Dictionary <string, object> retval = new Dictionary <string, object>(StringComparer.Ordinal);
Dictionary <string, ulong> cas = new Dictionary <string, ulong>(StringComparer.Ordinal);
// process each response and build a dictionary from the results
foreach (PooledSocket socket in sockets)
{
try
{
GetResponse r;
while ((r = GetHelper.ReadItem(socket)) != null)
{
string originalKey = hashedToReal[r.Key];
retval[originalKey] = this.ServerPool.Transcoder.Deserialize(r.Item);
cas[originalKey] = r.CasValue;
}
}
catch (NotSupportedException)
{
throw;
}
catch (Exception e)
{
log.Error(e);
}
}
this.result = retval;
this.casValues = cas;
}
finally
{
if (sockets != null)
{
foreach (PooledSocket socket in sockets)
{
((IDisposable)socket).Dispose();
}
}
}
return(true);
}
