public PingUtil(ILoadBalancerContext loadBalancerContext, ILog logger)
{
ParameterChecker.NotNull(loadBalancerContext, "loadBalancerContext");
ParameterChecker.NotNull(logger, "logger");
_loadBalancerContext = loadBalancerContext;
_logger = logger;
}
public DefaultServerSourceFilter(ILoadBalancerContext loadBalancerContext)
{
_loadBalancerContext = loadBalancerContext;
_statusMetricManager = loadBalancerContext.StatusMetricManager;
_serverCountMetrics = new ConcurrentDictionary <string, IStatusMetric <double> >();
_availableServerCountMetrics = new ConcurrentDictionary <string, IStatusMetric <double> >();
}
public DefaultLoadBalancerRuleFactoryManager(ILoadBalancerContext loadBalancerContext)
{
_loadBalancerContext = loadBalancerContext;
_loadBalanceRuleFactoryMap = new ConcurrentDictionary <string, Func <ILoadBalancerRule> >();
_loadBalanceRuleFactoryMap[RoundRobinRuleName] = () => new RoundRobinRule();
_loadBalanceRuleFactoryMap[WeightedRoundRobinRuleName] = () => new WeightedRoundRobinRule();
_ruleId = WeightedRoundRobinRuleName;
_ruleFactory = _loadBalanceRuleFactoryMap[WeightedRoundRobinRuleName];
_loadBalancerRules = new ConcurrentDictionary <string, ILoadBalancerRule>();
InitializeRuleProperty();
}
public DefaultServerSourceManager(ILoadBalancerContext loadBalancerContext)
{
_loadBalancerContext = loadBalancerContext;
_serializer = new DataContractJsonSerializer(typeof(List <LoadBalancerRoute>));
string prefix = _loadBalancerContext.LoadBalancerKey;
_dataFolder = _loadBalancerContext.ConfigurationManager.GetProperty(prefix + "." + ConfigurationKeys.DataFolder);
string globalPrefix = _loadBalancerContext.ManagerId;
_globalDataFolder = _loadBalancerContext.ConfigurationManager.GetProperty(globalPrefix + "." + ConfigurationKeys.DataFolder);
}
public ServerStats(ILoadBalancerContext loadBalancerContext)
{
_loadBalancerContext = loadBalancerContext;
string prefix = loadBalancerContext.LoadBalancerKey;
_counterBufferConfigProperty = loadBalancerContext.ConfigurationManager.GetProperty(prefix + "." + ConfigurationKeys.CounterBuffer, null, ConfigParser, ConfigCorrector);
string globalPrefix = loadBalancerContext.ManagerId;
_globalCounterBufferConfigProperty = loadBalancerContext.ConfigurationManager.GetProperty(globalPrefix + "." + ConfigurationKeys.CounterBuffer, DefaultConfig, ConfigParser, ConfigCorrector);
_counterBufferConfigProperty.OnChange += OnChange;
_globalCounterBufferConfigProperty.OnChange += OnChange;
Reset();
}
public DefaultServerSourceMonitor(ILoadBalancerContext loadBalancerContext)
{
_loadBalancerContext = loadBalancerContext;
_pingUtil = new PingUtil(_loadBalancerContext, _logger);
var configurationManager = _loadBalancerContext.ConfigurationManager;
string prefix = _loadBalancerContext.LoadBalancerKey;
CheckIntervalInMillisecondProperty = configurationManager.GetProperty <int?>(prefix + "." + ConfigurationKeys.CheckInterval);
FailureThresholdPercentageProperty = configurationManager.GetProperty <int?>(prefix + "." + ConfigurationKeys.FailureThresholdPercentage);
string globalPrefix = _loadBalancerContext.ManagerId;
GlobalCheckIntervalInMillisecondProperty = configurationManager.GetProperty <int?>(globalPrefix + "." + ConfigurationKeys.CheckInterval, DefaultCheckInterval);
GlobalFailureThresholdPercentageProperty = configurationManager.GetProperty <int?>(globalPrefix + "." + ConfigurationKeys.FailureThresholdPercentage, DefaultFailureThresholdPercent);
_checkHealthLatencyMetrics = new ConcurrentDictionary <string, IAuditMetric>();
_checkHealthEventMetrics = new ConcurrentDictionary <string, IEventMetric>();
}
public RandomRule(ILoadBalancerContext lbContext) : base(lbContext)
{
random = new Random();
}
public static string GetDistributionMetricName(this ILoadBalancerContext loadBalancerContext, string metricSuffix)
{
return(string.Format("{0}.{1}.distribution", loadBalancerContext.ManagerId, metricSuffix));
}
public static string GetMetricId(this ILoadBalancerContext loadBalancerContext, string metricSuffix)
{
return(string.Format("{0}.{1}", loadBalancerContext.LoadBalancerKey, metricSuffix));
}
public AbstractRule(ILoadBalancerContext lbContext)
{
loadBalancerContext = lbContext;
}
public WeightedRoundRobinRule(ILoadBalancerContext lbContext) : base(lbContext)
{
current = 0;
}
public AbstractWeightedRule(ILoadBalancerContext lbContext) : base(lbContext)
{
session = new Session(10);
servers = loadBalancerContext.Servers;
loadBalancerContext.OnServerListUpdated += ServerListChangedEventHandler;
}
public RoundRobbinRule(ILoadBalancerContext lbContext) : base(lbContext)
{
current = -1;
}
public DefaultLoadBalancerRequestContext(Server server, ILoadBalancerContext loadBalancerContext)
{
this.Server = server;
this.LoadBalancerContext = loadBalancerContext;
this.ServerStats = loadBalancerContext.GetServerStats(server);
}
public DefaultLoadBalancer(ILoadBalancerContext loadBalancerContext)
{
LoadBalancerContext = loadBalancerContext;
loadBalancerRules = new ConcurrentDictionary <string, ILoadBalancerRule>();
}
