/// <summary>
/// Get an open socket from the connection pool.
/// </summary>
/// <returns>Socket returned from the pool or new socket
/// opened.</returns>
public SharedCacheTcpClient GetSocket()
{
#region Access Log
#if TRACE
{
Handler.LogHandler.Tracking("Access Method: " + this.GetType().ToString() + "->" + ((object)MethodBase.GetCurrentMethod()).ToString() + " ;");
}
#endif
#endregion Access Log
SharedCacheTcpClient socket = null;
bool stillCheckingSockets = false;
lock (bulkObject)
{
if (this.availableSockets.Count > 0)
{
socket = this.availableSockets.Dequeue();
stillCheckingSockets = true;
}
}
while (stillCheckingSockets)
{
if (socket.Connected)
{
TimeSpan sp = DateTime.Now.Subtract(socket.LastUsed);
//TODO: read data from config file: SocketPoolTimeout
if (sp.Minutes >= 2)
{
socket.Close();
return(this.OpenSocket());
}
else
{
return(socket);
}
}
else
{
if (socket != null)
{
// MAYBE we should consider to reconnect it instead to close it?
socket.Close();
}
}
stillCheckingSockets = false;
lock (bulkObject)
{
if (this.availableSockets.Count > 0)
{
socket = this.availableSockets.Dequeue();
stillCheckingSockets = true;
}
}
}
return(this.OpenSocket());
}
/// <summary>
/// Puts the server client.
/// </summary>
/// <param name="host">The host.</param>
/// <param name="client">The client.</param>
public static void PutServerClient(string host, SharedCacheTcpClient client)
{
#region Access Log
#if TRACE
{
Handler.LogHandler.Tracking("Access Method: " + typeof(ManageServerTcpSocketConnectionPoolFactory).FullName + "->" + ((object)MethodBase.GetCurrentMethod()).ToString() + " ;");
}
#endif
#endregion Access Log
instanceServer.PutSocketToPool(host, client);
}
/// <summary>
/// Puts the socket to pool.
/// </summary>
/// <param name="host">The host.</param>
/// <param name="socket">The socket.</param>
public void PutSocketToPool(string host, SharedCacheTcpClient socket)
{
#region Access Log
#if TRACE
{
Handler.LogHandler.Tracking("Access Method: " + this.GetType().ToString() + "->" + ((object)MethodBase.GetCurrentMethod()).ToString() + " ;");
}
#endif
#if DEBUG
Debug.WriteLine(string.Format("put socket to pool: {0}", host));
#endif
#endregion Access Log
TcpSocketConnectionPool pool = pools[host];
pool.PutSocket(socket);
}
/// <summary>
/// Return the given socket back to the socket pool.
/// </summary>
/// <param name="socket">Socket connection to return.</param>
public void PutSocket(SharedCacheTcpClient socket)
{
#region Access Log
#if TRACE
{
Handler.LogHandler.Tracking("Access Method: " + this.GetType().ToString() + "->" + ((object)MethodBase.GetCurrentMethod()).ToString() + " ;");
}
#endif
#endregion Access Log
//TODO: Provider.Cache.IndexusDistributionCache.ProviderSection.ClientSetting.SocketPoolMinAvailableSize
// if (this.availableSockets.Count < Provider.Cache.IndexusDistributionCache.ProviderSection.ClientSetting.SocketPoolMinAvailableSize)
if (this.availableSockets.Count <= this.PoolSize)
// if (this.availableSockets.Count < TcpSocketConnectionPool.POOL_SIZE)
{
if (socket != null)
{
if (socket.Connected)
{
// Set the socket back to blocking and enqueue
socket.SetBlockingMode(true);
socket.LastUsed = DateTime.Now;
lock (bulkObject)
{
this.availableSockets.Enqueue(socket);
}
}
else
{
socket.Close();
}
}
}
else
{
// Number of sockets is above the pool size, so just close it.
socket.Close();
}
}
/// <summary>
/// Puts the socket to pool.
/// </summary>
/// <param name="host">The host.</param>
/// <param name="socket">The socket.</param>
public void PutSocketToPool(string host, SharedCacheTcpClient socket)
{
#region Access Log
#if TRACE
{
Handler.LogHandler.Tracking("Access Method: " + this.GetType().ToString() + "->" + ((object)MethodBase.GetCurrentMethod()).ToString() + " ;");
}
#endif
#if DEBUG
Debug.WriteLine(string.Format("put socket to pool: {0}", host));
#endif
#endregion Access Log
TcpSocketConnectionPool pool = pools[host];
pool.PutSocket(socket);
}
/// <summary>
/// Validates this instance.
/// </summary>
internal void Validate()
{
#region Access Log
#if TRACE
{
Handler.LogHandler.Tracking("Access Method: " + this.GetType().ToString() + "->" + ((object)MethodBase.GetCurrentMethod()).ToString() + " ;");
}
#endif
#endregion Access Log
if (this.PoolAvailable)
{
#region validate all open connections when they used last time
for (int i = 0; i < this.availableSockets.Count; i++)
{
SharedCacheTcpClient client = null;
lock (bulkObject)
{
client = this.availableSockets.Dequeue();
}
TimeSpan sp = DateTime.Now.Subtract(client.LastUsed);
// Console.WriteLine(@"last used: {0}m {1}s {2}ms", sp.Minutes, sp.Seconds, sp.Milliseconds);
if (sp.Minutes >= 2)
{
client.Dispose();
}
else if (client != null && !client.Connected)
{
// this will close the socket in case we have to much open sockets.
this.PutSocket(client);
}
else if (client != null)
{
lock (bulkObject)
{
this.availableSockets.Enqueue(client);
}
}
}
#endregion
}
else
{
#region try to enable pool in case its disabled
if (CacheUtil.Ping(this.Host))
{
this.Enable();
#region Logging
string msg = "Client could reconnect to host {0} and it enables this node.";
#if TRACE
Console.WriteLine(msg, this.Host);
#endif
#if DEBUG
Console.WriteLine(msg, this.Host);
#endif
Handler.LogHandler.Fatal(string.Format(msg, this.Host));
#endregion
}
else
{
#region Logging
string msg = "Client could NOT reconnect to host {0} and keeps this node disabled";
#if TRACE
Console.WriteLine(msg, this.Host);
#endif
#if DEBUG
Console.WriteLine(msg, this.Host);
#endif
Handler.LogHandler.Fatal(string.Format(msg, this.Host));
#endregion
}
#endregion
}
}
/// <summary>
/// Sends this instance.
/// </summary>
/// <returns></returns>
public bool Send()
{
#region Access Log
#if TRACE
{
Handler.LogHandler.Tracking("Access Method: " + this.GetType().ToString() + "->" + ((object)MethodBase.GetCurrentMethod()).ToString() + " ;");
}
#endif
#endregion Access Log
Sockets.SharedCacheTcpClient client = null;
StatusValue statusBeforeSending = this.Status;
try
{
if (statusBeforeSending != StatusValue.ReplicationRequest)
{
client = Sockets.ManageClientTcpSocketConnectionPoolFactory.GetClient(this.hostname);
//try
//{
//
//}
//catch (Exception ex)
//{
// Console.WriteLine(ex.ToString());
//}
// case for replication mode, choose another server node.
if (client == null && Provider.Cache.IndexusDistributionCache.SharedCache.ReplicatedServersList.Count > 0)
{
client = Sockets.ManageClientTcpSocketConnectionPoolFactory.GetClient(
Provider.Cache.IndexusDistributionCache.SharedCache.ReplicatedServersList[0].IpAddress
);
}
}
else
{
// server to server node communication
client = Sockets.ManageServerTcpSocketConnectionPoolFactory.GetServerClient(this.hostname);
}
if (client != null)
{
byte[] dataToSend = this.GetBytes();
#region Pre Logging
#if DEBUG
System.Diagnostics.Stopwatch sp = new System.Diagnostics.Stopwatch();
sp.Start();
if (this.ClientContext)
{
if (1 == Provider.Cache.IndexusDistributionCache.ProviderSection.ClientSetting.LoggingEnable)
{
#region Client
// Add request to log
Handler.LogHandler.Traffic(
string.Format(Constants.TRAFFICLOG,
client.ServerConnection.LocalEndPoint,
System.Threading.Thread.CurrentThread.ManagedThreadId,
this.Id,
this.Action.ToString(),
this.Status.ToString(),
dataToSend.LongLength
)
);
#endregion
}
}
else
{
if (1 == Provider.Server.IndexusServerReplicationCache.ProviderSection.ServerSetting.LoggingEnable)
{
#region Server
// Add request to log
Handler.LogHandler.SyncInfo(
string.Format(Constants.TRAFFICLOG,
client.ServerConnection.LocalEndPoint,
System.Threading.Thread.CurrentThread.ManagedThreadId,
this.Id,
this.Action.ToString(),
this.Status.ToString(),
dataToSend.LongLength
)
);
#endregion
}
}
#else
if (this.ClientContext)
{
if (1 == Provider.Cache.IndexusDistributionCache.ProviderSection.ClientSetting.LoggingEnable)
{
#region Client
// Add request to log
Handler.LogHandler.Traffic(
string.Format(Constants.TRAFFICLOG,
client.ServerConnection.LocalEndPoint,
System.Threading.Thread.CurrentThread.ManagedThreadId,
this.Id,
this.Action.ToString(),
this.Status.ToString(),
dataToSend.LongLength
)
);
#endregion
}
}
else
{
if (1 == Provider.Server.IndexusServerReplicationCache.ProviderSection.ServerSetting.LoggingEnable)
{
#region Client
// Add request to log
Handler.LogHandler.SyncInfo(
string.Format(Constants.TRAFFICLOG,
client.ServerConnection.LocalEndPoint,
System.Threading.Thread.CurrentThread.ManagedThreadId,
this.Id,
this.Action.ToString(),
this.Status.ToString(),
dataToSend.LongLength
)
);
#endregion
}
}
#endif
#endregion Pre Logging
// potential botleneck!!!
this.Copy(client.Send(dataToSend));
#region Post Logging
#if DEBUG
if (this.ClientContext)
{
if (1 == Provider.Cache.IndexusDistributionCache.ProviderSection.ClientSetting.LoggingEnable)
{
sp.Stop();
#region Client
// Add request to log
Handler.LogHandler.Traffic(
string.Format(Constants.POSTTRAFFICLOG,
client.ServerConnection.LocalEndPoint,
System.Threading.Thread.CurrentThread.ManagedThreadId,
this.Id,
this.Action.ToString(),
this.Status.ToString(),
this.GetBytes().LongLength,
sp.ElapsedMilliseconds
)
);
#endregion
}
}
else
{
if (1 == Provider.Server.IndexusServerReplicationCache.ProviderSection.ServerSetting.LoggingEnable)
{
sp.Stop();
#region Server
// Add request to log
Handler.LogHandler.SyncInfo(
string.Format(Constants.POSTTRAFFICLOG,
client.ServerConnection.LocalEndPoint,
System.Threading.Thread.CurrentThread.ManagedThreadId,
this.Id,
this.Action.ToString(),
this.Status.ToString(),
this.GetBytes().LongLength,
sp.ElapsedMilliseconds
)
);
#endregion
}
}
#else
if (this.ClientContext)
{
if (1 == Provider.Cache.IndexusDistributionCache.ProviderSection.ClientSetting.LoggingEnable)
{
#region Client
// Add request to log
Handler.LogHandler.Traffic(
string.Format(Constants.TRAFFICLOG,
client.ServerConnection.LocalEndPoint,
System.Threading.Thread.CurrentThread.ManagedThreadId,
this.Id,
this.Action.ToString(),
this.Status.ToString(),
dataToSend.LongLength
)
);
#endregion
}
}
else
{
if (1 == Provider.Server.IndexusServerReplicationCache.ProviderSection.ServerSetting.LoggingEnable)
{
#region Server
// Add request to log
Handler.LogHandler.SyncInfo(
string.Format(Constants.TRAFFICLOG,
client.ServerConnection.LocalEndPoint,
System.Threading.Thread.CurrentThread.ManagedThreadId,
this.Id,
this.Action.ToString(),
this.Status.ToString(),
dataToSend.LongLength
)
);
#endregion
}
}
#endif
#endregion Postlogging
switch (this.action)
{
case ActionValue.Successful:
{
// Action done successfully;
return(true);
}
case ActionValue.Error:
{
// TODO: Error handling somehow, maybe we need to extend
// to return an error code or something similar.
//try
//{
// //
// //CacheException ex = Formatters.Serialization.BinaryDeSerialize<CacheException>(this.Payload);
// //Console.WriteLine(ex.Title);
//}
//catch (Exception ex)
//{}
Handler.LogHandler.Error("Error, check log files!");
return(false);
}
}
}
else
{
Console.WriteLine(string.Format("Could not receive Socket Client from pool {0}", this.hostname));
Handler.LogHandler.Force(string.Format("Could not receive Socket Client from pool {0}", this.hostname));
Handler.LogHandler.Fatal(string.Format("Could not receive Socket Client from pool {0}", this.hostname));
return(false);
}
}
finally
{
if (client != null)
{
if (statusBeforeSending != StatusValue.ReplicationRequest)
{
Sockets.ManageClientTcpSocketConnectionPoolFactory.PutClient(this.hostname, client);
}
else
{
Sockets.ManageServerTcpSocketConnectionPoolFactory.PutServerClient(this.hostname, client);
}
}
}
return(false);
}
/// <summary>
/// Puts the client back to the pool
/// </summary>
/// <param name="host">The host.</param>
/// <param name="client">The client.</param>
public static void PutClient(string host, SharedCacheTcpClient client)
{
#region Access Log
#if TRACE
{
Handler.LogHandler.Tracking("Access Method: " + typeof(ManageClientTcpSocketConnectionPoolFactory).FullName + "->" + ((object)MethodBase.GetCurrentMethod()).ToString() + " ;");
}
#endif
#endregion Access Log
instance.PutSocketToPool(host, client);
}
