/// <summary>
/// The constructor.
/// </summary>
/// <param name="configuration">The configuration to use for the cache host.</param>
public CacheHostEngine(CacheHostConfigurationSection configuration)
{
// Sanitize
if (configuration == null)
{
throw new ArgumentNullException("configuration");
}
// Set default logger to file if necessary
if (CustomLoggerLoader.DefaultLogger == null)
{
CustomLoggerLoader.DefaultLogger = new FileLogger();
}
var port = configuration.Port;
var physicalMemoryLimitPercentage = configuration.CacheMemoryLimitPercentage;
var maximumConnections = configuration.MaximumConnections;
// Configure the performance counter data manager
PerformanceDataManager performanceDataManager = null;
try
{
performanceDataManager = new PerformanceCounterPerformanceDataManager(port);
}
catch (InvalidOperationException)
{
// Performance counters aren't installed, so don't use them
performanceDataManager = new PerformanceDataManager();
}
// Determine the MemCache to use
IMemCache memCache = new MemCache(physicalMemoryLimitPercentage, performanceDataManager);
if (configuration.CompressData)
{
memCache = new GZipMemCache(memCache);
}
// Initialize the tag routing table
var tagRoutingTable = new TagRoutingTable();
// Initialize the cache host server
var cacheHostServer = new CacheHostServer(memCache, tagRoutingTable, CustomLoggerLoader.LoadLogger(), configuration.Port,
configuration.MaximumConnections, configuration.MessageBufferSize, configuration.CommunicationTimeoutSeconds * 1000, configuration.MaximumMessageSizeKB * 1024);
// Instantiate the cache host runner
_cacheHostRunner = new CacheHostRunner(cacheHostServer);
}
/// <summary>
/// The constructor.
/// </summary>
/// <param name="memCache">The mem cache to use.</param>
/// <param name="logger">The logger to use.</param>
/// <param name="port">The port to open.</param>
/// <param name="physicalMemoryLimitPercentage">The cache memory limit, as a percentage of physical memory.</param>
/// <param name="maximumConnections">The maximum number of simultaneous connections permitted to the cache host.</param>
/// <param name="messageBufferSize">The message buffer size.</param>
public CacheHostEngine(IMemCache memCache, ILogger logger, int port, int physicalMemoryLimitPercentage = 85, int maximumConnections = 20, int messageBufferSize = 1024)
{
// Sanitize
if (memCache == null)
{
throw new ArgumentNullException("memCache");
}
if (logger == null)
{
throw new ArgumentNullException("logger");
}
if (port <= 0)
{
throw new ArgumentException("cannot be <= 0", "port");
}
if (physicalMemoryLimitPercentage < 5 || physicalMemoryLimitPercentage > 90)
{
throw new ArgumentException("must be >= 5 and <= 90", "physicalMemoryLimitPercentage");
}
if (maximumConnections <= 0)
{
throw new ArgumentException("cannot be <= 0", "maximumConnections");
}
if (messageBufferSize < 32 || messageBufferSize > 32768)
{
throw new ArgumentException("must be >= 32 and <= 32768", "messageBufferSize");
}
// Initialize the tag routing table
var tagRoutingTable = new TagRoutingTable();
// Initialize the cache host server
var cacheHostServer = new CacheHostServer(memCache, tagRoutingTable, logger, port, maximumConnections, messageBufferSize);
// Instantiate the cache host runner
_cacheHostRunner = new CacheHostRunner(cacheHostServer);
}
