/// <summary>
/// The constructor.
/// </summary>
/// <param name="memCache">The mem cache.</param>
/// <param name="tagRoutingTable">The tag routing table.</param>
/// <param name="logger">The logger.</param>
/// <param name="port">The port.</param>
/// <param name="maximumConnections">The maximum number of simultaneous connections.</param>
/// <param name="messageBufferSize">The buffer size to use for sending and receiving data.</param>
public CacheHostServer(IMemCache memCache, ITagRoutingTable tagRoutingTable, ILogger logger, int port, int maximumConnections, int messageBufferSize)
{
// Sanitize
if (memCache == null)
{
throw new ArgumentNullException("memCache");
}
if (tagRoutingTable == null)
{
throw new ArgumentNullException("tagRoutingTable");
}
if (logger == null)
{
throw new ArgumentNullException("logger");
}
if (port <= 0)
{
throw new ArgumentException("cannot be <= 0", "port");
}
if (maximumConnections <= 0)
{
throw new ArgumentException("cannot be <= 0", "maximumConnections");
}
if (messageBufferSize < 256)
{
throw new ArgumentException("cannot be < 256", "messageBufferSize");
}
// Set the default cache item policies
_defaultCacheItemPolicy = new CacheItemPolicy();
_defaultRemovedCallbackCacheItemPolicy = new CacheItemPolicy {
RemovedCallback = CacheItemRemoved
};
// Set the mem cache
_memCache = memCache;
// Set the tag routing table
_tagRoutingTable = tagRoutingTable;
// Set the logger
_logger = logger;
// Set maximum connections and message buffer size
_maximumConnections = maximumConnections;
_messageBufferSize = messageBufferSize;
// Establish the endpoint for the socket
var ipHostInfo = Dns.GetHostEntry(string.Empty);
// Listen on all interfaces
_localEndPoint = new IPEndPoint(IPAddress.Any, port);
// Define the server
_server = new SimplSocket(() => new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp), messageBufferSize, maximumConnections, false);
// Hook into received message event
_server.MessageReceived += ReceiveMessage;
}
/// <summary>
/// The constructor.
/// </summary>
/// <param name="address">The address.</param>
/// <param name="port">The port.</param>
/// <param name="maximumConnections">The maximum number of simultaneous connections.</param>
/// <param name="messageBufferSize">The buffer size to use for sending and receiving data.</param>
/// <param name="hostReconnectIntervalMilliseconds">The cache host reconnect interval, in milliseconds.</param>
public CommunicationClient(string address, int port, int hostReconnectIntervalMilliseconds, int maximumConnections, int messageBufferSize)
{
// Sanitize
if (String.IsNullOrWhiteSpace(address))
{
throw new ArgumentException("cannot be null, empty, or white space", "address");
}
if (port <= 0)
{
throw new ArgumentException("must be greater than 0", "port");
}
if (hostReconnectIntervalMilliseconds <= 0)
{
throw new ArgumentException("must be greater than 0", "hostReconnectIntervalMilliseconds");
}
if (maximumConnections <= 0)
{
throw new ArgumentException("must be greater than 0", "maximumConnections");
}
if (messageBufferSize <= 256)
{
throw new ArgumentException("cannot be less than 256", "messageBufferSize");
}
// Define the client
_client = new SimplSocket(() => new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp), messageBufferSize, maximumConnections, false);
// Wire into events
_client.MessageReceived += (sender, e) =>
{
var messageReceived = MessageReceived;
if (messageReceived != null)
{
messageReceived(sender, e);
}
};
_client.Error += (sender, e) => { DisconnectFromServer(); };
// Establish the remote endpoint for the socket
IPAddress ipAddress = null;
if (!IPAddress.TryParse(address, out ipAddress))
{
// Try and get DNS value
var ipHostInfo = Dns.GetHostEntry(address);
ipAddress = ipHostInfo.AddressList.FirstOrDefault(i =>
i.AddressFamily == AddressFamily.InterNetwork
// ignore link-local addresses (the 169.254.* is documented in IETF RFC 3927 => http://www.ietf.org/rfc/rfc3927.txt)
&& !i.ToString().StartsWith("169.254."));
if (ipAddress == null)
{
throw new ArgumentException("must be a valid host name or IP address", "address");
}
}
_remoteEndPoint = new IPEndPoint(ipAddress, port);
// Set the cache host reconnect interval
_hostReconnectIntervalMilliseconds = hostReconnectIntervalMilliseconds;
// Initialize reconnect timer
_reconnectTimer = new Timer(ReconnectToServer, null, Timeout.Infinite, Timeout.Infinite);
}
