private bool PutInstance(MemcachedInstance instance, string name)
{
lock (_InstanceListLock)
{
if (IsInstanceExists(name))
{
return(false);
}
_MemcachedInstances.Add(name.ToLower(), instance);
}
return(true);
}
public static Memcached AttachExist(string name, ushort port, int pid)
{
Memcached memcached = new Memcached();
MemcachedIo mio;
Log.Info("Attaching exist memcached instance.");
if (!MemcachedInstance.WaitUntilInstanceDestroyed(name, new TimeSpan(0, 0, 5)))
{
Log.Warning("{0} could not be deregistered", name);
return(null);
}
try
{
memcached.inst = MemcachedInstance.CreateInstanceFromExist(pid, port, name);
}
catch (Exception e)
{
//probably still exist
Log.Warning(e.Message);
return(null);
}
Log.Info("instance \"{0}\" created at {1} port", name, port);
Log.Info("attaching to the memcached IO interface.");
mio = new MemcachedIo();
if (!mio.AttachMemcachedInstance(memcached.inst))
{
Log.Error("Memcached instance could not be attached to Memcached Io object");
memcached.inst.Kill();
memcached.inst = null;
memcached = null;
return(null);
}
memcached.Instance = mio;
Log.Info("Connection success...");
return(memcached);
}
public bool AttachMemcachedInstance(MemcachedInstance instance)
{
if (!instance.IsRunning)
{
return(false);
}
MemcachedClientConfiguration conf = new MemcachedClientConfiguration();
this.serverIp = new IPEndPoint(IPAddress.Parse("127.0.0.1"), instance.Port);
conf.Protocol = MemcachedProtocol.Binary;
conf.Servers.Add(this.serverIp);
this.mc = new MemcachedClient(conf);
this.instance = instance;
return(true);
}
public static MemcachedInstance CreateInstanceFromExist(int pid, ushort port, string name)
{
MemcachedInstance inst = new MemcachedInstance(0, name, port);
if (!inst.PutInstance(inst, inst.name))
{
throw new Exception(string.Format("{0} is already registered!", inst.name));
}
inst.process = MemcachedProcess.Attach(pid);
if (inst.process == null)
{
inst.RemoveInstance(name);
inst = null;
return(null);
}
inst.process.Tag = name;
inst.process.Exited += inst.Process_Exited;
return(inst);
}
