/// <summary>
/// Initializes a new instance of the <see cref="LoadBalancerConfiguration{TNodeConfiguration}"/>
/// class with the specified values.
/// </summary>
/// <param name="name">The name of the load balancer.</param>
/// <param name="protocol">The load balancing protocol to use for this load balancer.</param>
/// <param name="virtualAddresses">A collection of <see cref="LoadBalancerVirtualAddress"/> objects describing the virtual addresses to assign to the load balancer.</param>
/// <param name="nodes">A collection of <typeparamref name="TNodeConfiguration"/> objects describing the nodes in the load balancer. If this value is <see langword="null"/>, the load balancer will be created without any nodes.</param>
/// <param name="halfClosed"><see langword="true"/> to enable half-closed support for the load balancer; otherwise, <see langword="false"/>. Half-Closed support provides the ability for one end of the connection to terminate its output, while still receiving data from the other end. Only applies to TCP/TCP_CLIENT_FIRST protocols.</param>
/// <param name="accessList">A collection of <see cref="NetworkItem"/> objects describing the access list for the load balancer. If this value is <see langword="null"/>, the load balancer will be created without an access list configured.</param>
/// <param name="algorithm">The load balancing algorithm that defines how traffic should be directed between back-end nodes. If this value is <see langword="null"/>, a provider-specific default algorithm will be used.</param>
/// <param name="connectionLogging"><see langword="true"/> to enable connection logging; otherwise, <see langword="false"/>. If this value is <see langword="null"/>, a provider-specific default value will be used.</param>
/// <param name="contentCaching"><see langword="true"/> to enable content caching; otherwise, <see langword="false"/>. If this value is <see langword="null"/>, a provider-specific default value will be used.</param>
/// <param name="connectionThrottle">A <see cref="ConnectionThrottles"/> object defining the connection throttling configuration for the load balancer. If this value is <see langword="null"/>, a provider-specific default value will be used.</param>
/// <param name="healthMonitor">A <see cref="HealthMonitor"/> object defining the health monitor to configure for the load balancer. If this value is <see langword="null"/>, the load balancer will be created with no health monitor configured.</param>
/// <param name="metadata">A collection of <see cref="LoadBalancerMetadataItem"/> objects defining the initial metadata for the load balancer. If this value is <see langword="null"/>, the load balancer will be created without any initial custom metadata.</param>
/// <param name="timeout">The timeout value for the load balancer and communications with its nodes. If this value is <see langword="null"/>, a provider-specific default value will be used.</param>
/// <param name="sessionPersistence">A <see cref="SessionPersistence"/> object defining the session persistence configuration for the load balancer. If this value is <see langword="null"/>, the load balancer will be created with session persistence disabled.</param>
/// <exception cref="ArgumentNullException">
/// If <paramref name="name"/> is <see langword="null"/>.
/// <para>-or-</para>
/// <para>If <paramref name="protocol"/> is <see langword="null"/>.</para>
/// <para>-or-</para>
/// <para>If <paramref name="virtualAddresses"/> is <see langword="null"/>.</para>
/// </exception>
/// <exception cref="ArgumentException">
/// If <paramref name="name"/> is empty.
/// <para>-or-</para>
/// <para>If <paramref name="nodes"/> contains any <see langword="null"/> values.</para>
/// <para>-or-</para>
/// <para>If <paramref name="virtualAddresses"/> is empty.</para>
/// <para>-or-</para>
/// <para>If <paramref name="virtualAddresses"/> contains any <see langword="null"/> values.</para>
/// <para>-or-</para>
/// <para>If <paramref name="accessList"/> contains any <see langword="null"/> values.</para>
/// <para>-or-</para>
/// <para>If <paramref name="metadata"/> contains any <see langword="null"/> values.</para>
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// If <paramref name="timeout"/> is negative or <see cref="TimeSpan.Zero"/>.
/// </exception>
public LoadBalancerConfiguration(string name, LoadBalancingProtocol protocol, IEnumerable <LoadBalancerVirtualAddress> virtualAddresses, IEnumerable <TNodeConfiguration> nodes = null, bool?halfClosed = null, IEnumerable <NetworkItem> accessList = null, LoadBalancingAlgorithm algorithm = null, bool?connectionLogging = null, bool?contentCaching = null, ConnectionThrottles connectionThrottle = null, HealthMonitor healthMonitor = null, IEnumerable <LoadBalancerMetadataItem> metadata = null, TimeSpan?timeout = null, SessionPersistence sessionPersistence = null)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (protocol == null)
{
throw new ArgumentNullException("protocol");
}
if (virtualAddresses == null)
{
throw new ArgumentNullException("virtualAddresses");
}
if (string.IsNullOrEmpty(name))
{
throw new ArgumentException("name cannot be empty");
}
if (timeout <= TimeSpan.Zero)
{
throw new ArgumentOutOfRangeException("timeout");
}
_name = name;
_nodes = nodes != null?nodes.ToArray() : null;
_protocolName = protocol != null ? protocol.Name : null;
_port = protocol != null ? (int?)protocol.Port : null;
_halfClosed = halfClosed;
_virtualIps = virtualAddresses.ToArray();
_accessList = accessList != null?accessList.ToArray() : null;
_algorithm = algorithm;
if (connectionLogging.HasValue)
{
_connectionLogging = connectionLogging.Value ? LoadBalancerEnabledFlag.True : LoadBalancerEnabledFlag.False;
}
if (contentCaching.HasValue)
{
_contentCaching = contentCaching.Value ? LoadBalancerEnabledFlag.True : LoadBalancerEnabledFlag.False;
}
_connectionThrottle = connectionThrottle;
_healthMonitor = healthMonitor != null?JObject.FromObject(healthMonitor) : null;
_metadata = metadata != null?metadata.ToArray() : null;
_timeout = timeout != null ? (int?)timeout.Value.TotalSeconds : null;
_sessionPersistence = sessionPersistence;
if (_nodes != null && _nodes.Contains(null))
{
throw new ArgumentException("nodes cannot contain any null values", "nodes");
}
if (_virtualIps.Contains(null))
{
throw new ArgumentException("virtualAddresses cannot contain any null values", "virtualAddresses");
}
if (_accessList != null && _accessList.Contains(null))
{
throw new ArgumentException("accessList cannot contain any null values", "accessList");
}
if (_metadata != null && _metadata.Contains(null))
{
throw new ArgumentException("metadata cannot contain any null values", "metadata");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="LoadBalancerConfiguration"/> class
/// with the specified values.
/// </summary>
/// <param name="name">The name of the load balancer.</param>
/// <param name="protocol">The load balancing protocol to use for this load balancer.</param>
/// <param name="virtualAddresses">A collection of <see cref="LoadBalancerVirtualAddress"/> objects describing the virtual addresses to assign to the load balancer.</param>
/// <param name="nodes">A collection of <see name="NodeConfiguration"/> objects describing the nodes in the load balancer. If this value is <see langword="null"/>, the load balancer will be created without any nodes.</param>
/// <param name="halfClosed"><see langword="true"/> to enable half-closed support for the load balancer; otherwise, <see langword="false"/>. Half-Closed support provides the ability for one end of the connection to terminate its output, while still receiving data from the other end. Only applies to TCP/TCP_CLIENT_FIRST protocols.</param>
/// <param name="accessList">A collection of <see cref="NetworkItem"/> objects describing the access list for the load balancer. If this value is <see langword="null"/>, the load balancer will be created without an access list configured.</param>
/// <param name="algorithm">The load balancing algorithm that defines how traffic should be directed between back-end nodes. If this value is <see langword="null"/>, a provider-specific default algorithm will be used.</param>
/// <param name="connectionLogging"><see langword="true"/> to enable connection logging; otherwise, <see langword="false"/>. If this value is <see langword="null"/>, a provider-specific default value will be used.</param>
/// <param name="contentCaching"><see langword="true"/> to enable content caching; otherwise, <see langword="false"/>. If this value is <see langword="null"/>, a provider-specific default value will be used.</param>
/// <param name="connectionThrottle">A <see cref="ConnectionThrottles"/> object defining the connection throttling configuration for the load balancer. If this value is <see langword="null"/>, a provider-specific default value will be used.</param>
/// <param name="healthMonitor">A <see cref="HealthMonitor"/> object defining the health monitor to configure for the load balancer. If this value is <see langword="null"/>, the load balancer will be created with no health monitor configured.</param>
/// <param name="metadata">A collection of <see cref="LoadBalancerMetadataItem"/> objects defining the initial metadata for the load balancer. If this value is <see langword="null"/>, the load balancer will be created without any initial custom metadata.</param>
/// <param name="timeout">The timeout value for the load balancer and communications with its nodes. If this value is <see langword="null"/>, a provider-specific default value will be used.</param>
/// <param name="sessionPersistence">A <see cref="SessionPersistence"/> object defining the session persistence configuration for the load balancer. If this value is <see langword="null"/>, the load balancer will be created with session persistence disabled.</param>
/// <exception cref="ArgumentNullException">
/// If <paramref name="name"/> is <see langword="null"/>.
/// <para>-or-</para>
/// <para>If <paramref name="protocol"/> is <see langword="null"/>.</para>
/// <para>-or-</para>
/// <para>If <paramref name="virtualAddresses"/> is <see langword="null"/>.</para>
/// </exception>
/// <exception cref="ArgumentException">
/// If <paramref name="name"/> is empty.
/// <para>-or-</para>
/// <para>If <paramref name="nodes"/> contains any <see langword="null"/> values.</para>
/// <para>-or-</para>
/// <para>If <paramref name="virtualAddresses"/> is empty.</para>
/// <para>-or-</para>
/// <para>If <paramref name="virtualAddresses"/> contains any <see langword="null"/> values.</para>
/// <para>-or-</para>
/// <para>If <paramref name="accessList"/> contains any <see langword="null"/> values.</para>
/// <para>-or-</para>
/// <para>If <paramref name="metadata"/> contains any <see langword="null"/> values.</para>
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// If <paramref name="timeout"/> is negative or <see cref="TimeSpan.Zero"/>.
/// </exception>
public LoadBalancerConfiguration(string name, LoadBalancingProtocol protocol, IEnumerable <LoadBalancerVirtualAddress> virtualAddresses, IEnumerable <NodeConfiguration> nodes = null, bool?halfClosed = null, IEnumerable <NetworkItem> accessList = null, LoadBalancingAlgorithm algorithm = null, bool?connectionLogging = null, bool?contentCaching = null, ConnectionThrottles connectionThrottle = null, HealthMonitor healthMonitor = null, IEnumerable <LoadBalancerMetadataItem> metadata = null, TimeSpan?timeout = null, SessionPersistence sessionPersistence = null)
: base(name, protocol, virtualAddresses, nodes, halfClosed, accessList, algorithm, connectionLogging, contentCaching, connectionThrottle, healthMonitor, metadata, timeout, sessionPersistence)
{
}
public async Task TestConnectionThrottleConfiguration()
{
ILoadBalancerService provider = CreateProvider();
using (CancellationTokenSource cancellationTokenSource = new CancellationTokenSource(TestTimeout(TimeSpan.FromSeconds(60))))
{
IEnumerable<LoadBalancingProtocol> protocols = await provider.ListProtocolsAsync(cancellationTokenSource.Token);
LoadBalancingProtocol httpProtocol = protocols.First(i => i.Name.Equals("HTTP", StringComparison.OrdinalIgnoreCase));
string loadBalancerName = CreateRandomLoadBalancerName();
LoadBalancerConfiguration configuration = new LoadBalancerConfiguration(
name: loadBalancerName,
nodes: null,
protocol: httpProtocol,
virtualAddresses: new[] { new LoadBalancerVirtualAddress(LoadBalancerVirtualAddressType.ServiceNet) },
halfClosed: null,
accessList: null,
algorithm: LoadBalancingAlgorithm.RoundRobin,
connectionLogging: null,
contentCaching: null,
connectionThrottle: null,
healthMonitor: null,
metadata: null,
timeout: null,
sessionPersistence: null);
LoadBalancer tempLoadBalancer = await provider.CreateLoadBalancerAsync(configuration, AsyncCompletionOption.RequestCompleted, cancellationTokenSource.Token, null);
Assert.AreEqual(LoadBalancerStatus.Active, tempLoadBalancer.Status);
Assert.IsNull(tempLoadBalancer.ConnectionThrottles);
Console.WriteLine("Reported by create:");
Console.WriteLine(JsonConvert.SerializeObject(tempLoadBalancer.ConnectionThrottles, Formatting.Indented));
ConnectionThrottles throttles = await provider.ListThrottlesAsync(tempLoadBalancer.Id, cancellationTokenSource.Token);
Console.WriteLine("After create:");
Console.WriteLine(JsonConvert.SerializeObject(throttles, Formatting.Indented));
int maxConnectionRate = 3;
int maxConnections = 2;
int minConnections = 1;
TimeSpan rateInterval = TimeSpan.FromSeconds(5);
throttles = new ConnectionThrottles(maxConnectionRate, maxConnections, minConnections, rateInterval);
await provider.UpdateThrottlesAsync(tempLoadBalancer.Id, throttles, AsyncCompletionOption.RequestCompleted, cancellationTokenSource.Token, null);
throttles = await provider.ListThrottlesAsync(tempLoadBalancer.Id, cancellationTokenSource.Token);
Assert.AreEqual(maxConnectionRate, throttles.MaxConnectionRate);
Assert.AreEqual(maxConnections, throttles.MaxConnections);
Assert.AreEqual(minConnections, throttles.MinConnections);
Assert.AreEqual(rateInterval, throttles.RateInterval);
Console.WriteLine("After update:");
Console.WriteLine(JsonConvert.SerializeObject(throttles, Formatting.Indented));
await provider.RemoveThrottlesAsync(tempLoadBalancer.Id, AsyncCompletionOption.RequestCompleted, cancellationTokenSource.Token, null);
throttles = await provider.ListThrottlesAsync(tempLoadBalancer.Id, cancellationTokenSource.Token);
Console.WriteLine("After removal:");
Console.WriteLine(JsonConvert.SerializeObject(throttles, Formatting.Indented));
/* Cleanup
*/
await provider.RemoveLoadBalancerAsync(tempLoadBalancer.Id, AsyncCompletionOption.RequestCompleted, cancellationTokenSource.Token, null);
}
}
public static void UpdateThrottles(this ILoadBalancerService service, LoadBalancerId loadBalancerId, ConnectionThrottles throttleConfiguration)
{
if (service == null)
throw new ArgumentNullException("service");
try
{
service.UpdateThrottlesAsync(loadBalancerId, throttleConfiguration, AsyncCompletionOption.RequestSubmitted, CancellationToken.None, null).Wait();
}
catch (AggregateException ex)
{
ReadOnlyCollection<Exception> innerExceptions = ex.Flatten().InnerExceptions;
if (innerExceptions.Count == 1)
throw innerExceptions[0];
throw;
}
}
