public static void FinishCurrent(PooledSocket socket)
{
string response = socket.ReadResponse();
if (String.Compare(response, "END", StringComparison.Ordinal) != 0)
throw new MemcachedClientException("No END was received.");
}
public static void FinishCurrent(PooledSocket socket)
{
string response = socket.ReadResponse();
if (String.Compare(response, "END", StringComparison.Ordinal) != 0)
{
throw new MemcachedClientException("No END was received.");
}
}
public static GetResponse ReadItem(PooledSocket socket)
{
string description = socket.ReadResponse();
if (String.Compare(description, "END", StringComparison.Ordinal) == 0)
{
return(null);
}
if (description.Length < 6 || String.Compare(description, 0, "VALUE ", 0, 6, StringComparison.Ordinal) != 0)
{
throw new MemcachedClientException("No VALUE response received.\r\n" + description);
}
ulong cas = 0;
string[] parts = description.Split(' ');
// response is:
// VALUE <key> <flags> <bytes> [<cas unique>]
// 0 1 2 3 4
//
// cas only exists in 1.2.4+
//
if (parts.Length == 5)
{
if (!UInt64.TryParse(parts[4], out cas))
{
throw new MemcachedClientException("Invalid CAS VALUE received.");
}
}
else if (parts.Length < 4)
{
throw new MemcachedClientException("Invalid VALUE response received: " + description);
}
ushort flags = UInt16.Parse(parts[2], CultureInfo.InvariantCulture);
int length = Int32.Parse(parts[3], CultureInfo.InvariantCulture);
byte[] allData = new byte[length];
byte[] eod = new byte[2];
socket.Read(allData, 0, length);
socket.Read(eod, 0, 2); // data is terminated by \r\n
GetResponse retval = new GetResponse(parts[1], flags, cas, allData);
if (log.IsDebugEnabled)
{
log.DebugFormat("Received value. Data type: {0}, size: {1}.", retval.Item.Flag, retval.Item.Data.Count);
}
return(retval);
}
protected override bool ExecuteAction()
{
PooledSocket socket = this.Socket;
if (socket == null)
{
return(false);
}
socket.SendCommand("delete " + this.HashedKey);
return(String.Compare(socket.ReadResponse(), "DELETED", StringComparison.Ordinal) == 0);
}
public static GetResponse ReadItem(PooledSocket socket)
{
string description = socket.ReadResponse();
if (String.Compare(description, "END", StringComparison.Ordinal) == 0)
return null;
if (description.Length < 6 || String.Compare(description, 0, "VALUE ", 0, 6, StringComparison.Ordinal) != 0)
throw new MemcachedClientException("No VALUE response received.\r\n" + description);
ulong cas = 0;
string[] parts = description.Split(' ');
// response is:
// VALUE <key> <flags> <bytes> [<cas unique>]
// 0 1 2 3 4
//
// cas only exists in 1.2.4+
//
if (parts.Length == 5)
{
if (!UInt64.TryParse(parts[4], out cas))
throw new MemcachedClientException("Invalid CAS VALUE received.");
}
else if (parts.Length < 4)
{
throw new MemcachedClientException("Invalid VALUE response received: " + description);
}
ushort flags = UInt16.Parse(parts[2], CultureInfo.InvariantCulture);
int length = Int32.Parse(parts[3], CultureInfo.InvariantCulture);
byte[] allData = new byte[length];
byte[] eod = new byte[2];
socket.Read(allData, 0, length);
socket.Read(eod, 0, 2); // data is terminated by \r\n
GetResponse retval = new GetResponse(parts[1], flags, cas, allData);
if (log.IsDebugEnabled)
log.DebugFormat("Received value. Data type: {0}, size: {1}.", retval.Item.Flag, retval.Item.Data.Count);
return retval;
}
protected override bool ExecuteAction()
{
PooledSocket socket = this.Socket;
if (socket == null)
{
return(false);
}
socket.SendCommand(String.Concat("incr ", this.HashedKey, " ", this.amount.ToString(CultureInfo.InvariantCulture)));
string response = socket.ReadResponse();
//maybe we should throw an exception when the item is not found?
if (String.Compare(response, "NOT_FOUND", StringComparison.Ordinal) == 0)
{
return(false);
}
return(UInt32.TryParse(response, out this.result));
}
protected override bool ExecuteAction()
{
Dictionary <IPEndPoint, Dictionary <string, string> > retval = new Dictionary <IPEndPoint, Dictionary <string, string> >();
foreach (MemcachedNode server in this.ServerPool.WorkingServers)
{
using (PooledSocket ps = server.Acquire())
{
if (ps == null)
{
continue;
}
ps.SendCommand("stats");
Dictionary <string, string> serverData = new Dictionary <string, string>(StringComparer.Ordinal);
while (true)
{
string line = ps.ReadResponse();
// stat values are terminated by END
if (String.Compare(line, "END", StringComparison.Ordinal) == 0)
{
break;
}
// expected response is STAT item_name item_value
if (line.Length < 6 || String.Compare(line, 0, "STAT ", 0, 5, StringComparison.Ordinal) != 0)
{
if (log.IsWarnEnabled)
{
log.Warn("Unknow response: " + line);
}
continue;
}
// get the key&value
string[] parts = line.Remove(0, 5).Split(' ');
if (parts.Length != 2)
{
if (log.IsWarnEnabled)
{
log.Warn("Unknow response: " + line);
}
continue;
}
// store the stat item
serverData[parts[0]] = parts[1];
}
retval[server.EndPoint] = serverData;
}
}
this.results = new ServerStats(retval);
return(true);
}
