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StackExchange.Redis
Commit 66b8773f authored by Marc Gravell's avatar Marc Gravell
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Improved heartbeat code; introduced dedicated reader (can be pooled via... 

Improved heartbeat code; introduced dedicated reader (can be pooled via SocketManager); tidied solition directory
parent bb74cc18
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Showing with 653 additions and 281 deletions
Redis Configs/redis-cli 7000.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-cli.exe -h cluster -p 7000
\ No newline at end of file
Redis Configs/redis-cli 7001.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-cli.exe -h cluster -p 7001
\ No newline at end of file
Redis Configs/redis-cli 7002.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-cli.exe -h cluster -p 7002
\ No newline at end of file
Redis Configs/redis-cli 7003.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-cli.exe -h cluster -p 7003
\ No newline at end of file
Redis Configs/redis-cli 7004.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-cli.exe -h cluster -p 7004
\ No newline at end of file
Redis Configs/redis-cli 7005.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-cli.exe -h cluster -p 7005
\ No newline at end of file
Redis Configs/redis-cli master.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-cli.exe -p 6379
\ No newline at end of file
Redis Configs/redis-cli secure.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-cli.exe -p 6381
\ No newline at end of file
Redis Configs/redis-cli slave.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-cli.exe -p 6380
\ No newline at end of file
Redis Configs/redis-server master.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-server.exe master.conf
\ No newline at end of file
Redis Configs/redis-server secure.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-server.exe secure.conf
\ No newline at end of file
Redis Configs/redis-server slave.cmd 0 → 100644
View file @ 66b8773f
@..\packages\Redis-64.2.6.12.1\tools\redis-server.exe slave.conf
\ No newline at end of file
StackExchange.Redis.Tests/BasicOps.cs
View file @ 66b8773f
......@@ -8,7 +8,7 @@
namespace StackExchange.Redis.Tests
{
[TestFixture]
public class ConnectTests : TestBase
public class BasicOpsTests : TestBase
{
[Test]
[TestCase(true)]
......
StackExchange.Redis.Tests/Config.cs
View file @ 66b8773f
......@@ -67,7 +67,7 @@ public void TalkToNonsenseServer()
[Test]
public void TestManaulHeartbeat()
{
using (var muxer = Create(keepAlive: 2000))
using (var muxer = Create(keepAlive: 2))
{
var conn = muxer.GetDatabase();
conn.Ping();
......@@ -79,7 +79,7 @@ public void TestManaulHeartbeat()
var after = muxer.OperationCount;
Assert.AreEqual(before + 2, after);
Assert.IsTrue(after >= before + 4);
}
}
......@@ -296,7 +296,7 @@ public void TestAutomaticHeartbeat()
Thread.Sleep(TimeSpan.FromSeconds(8));
var after = innerMuxer.OperationCount;
Assert.AreEqual(before + 2, after);
Assert.IsTrue(after >= before + 4);
}
}
......
StackExchange.Redis.Tests/FloatingPoint.cs
View file @ 66b8773f
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using NUnit.Framework;
namespace StackExchange.Redis.Tests
......
StackExchange.Redis.Tests/Naming.cs
View file @ 66b8773f
......@@ -106,6 +106,7 @@ static bool IgnoreMethodConventions(MethodInfo method)
case "CreateTransaction":
case "IsConnected":
case "SetScan":
case "SubscribedEndpoint":
return true;
}
return false;
......
StackExchange.Redis.Tests/PubSub.cs
View file @ 66b8773f
using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using NUnit.Framework;
......@@ -229,52 +230,98 @@ public void TestPatternPubSub(bool preserveOrder)
}
[Test]
public void SubscriptionsSurviceMasterSwitch()
[TestCase(false)]
[TestCase(true)]
public void SubscriptionsSurviveMasterSwitch(bool useSharedSocketManager)
{
using (var a = Create(allowAdmin: true))
using (var b = Create(allowAdmin: true))
using (var a = Create(allowAdmin: true, useSharedSocketManager: useSharedSocketManager))
using (var b = Create(allowAdmin: true, useSharedSocketManager: useSharedSocketManager))
{
RedisChannel channel = Me();
var subA = a.GetSubscriber();
var subB = b.GetSubscriber();
long masterChanged = 0, aCount = 0, bCount = 0;
a.MasterChanged += delegate { Interlocked.Increment(ref masterChanged); };
subA.Subscribe(channel, delegate { Interlocked.Increment(ref aCount); });
subB.Subscribe(channel, delegate { Interlocked.Increment(ref bCount); });
//var epA = subA.IdentifyEndpoint(channel);
//var epB = subB.IdentifyEndpoint(channel);
//Console.WriteLine(epA);
//Console.WriteLine(epB);
subA.Publish(channel, "a");
subB.Publish(channel, "b");
a.ConfigurationChangedBroadcast += delegate {
Console.WriteLine("a noticed config broadcast: " + Interlocked.Increment(ref masterChanged));
};
b.ConfigurationChangedBroadcast += delegate {
Console.WriteLine("b noticed config broadcast: " + Interlocked.Increment(ref masterChanged));
};
subA.Subscribe(channel, (ch, message) => {
Console.WriteLine("a got message: " + message);
Interlocked.Increment(ref aCount);
});
subB.Subscribe(channel, (ch, message) => {
Console.WriteLine("b got message: " + message);
Interlocked.Increment(ref bCount);
});
Assert.IsFalse(a.GetServer(PrimaryServer, PrimaryPort).IsSlave, PrimaryPortString + " is master via a");
Assert.IsTrue(a.GetServer(PrimaryServer, SlavePort).IsSlave, SlavePortString + " is slave via a");
Assert.IsFalse(b.GetServer(PrimaryServer, PrimaryPort).IsSlave, PrimaryPortString + " is master via b");
Assert.IsTrue(b.GetServer(PrimaryServer, SlavePort).IsSlave, SlavePortString + " is slave via b");
var epA = subA.SubscribedEndpoint(channel);
var epB = subB.SubscribedEndpoint(channel);
Console.WriteLine("a: " + EndPointCollection.ToString(epA));
Console.WriteLine("b: " + EndPointCollection.ToString(epB));
subA.Publish(channel, "a1");
subB.Publish(channel, "b1");
subA.Ping();
subB.Ping();
Assert.AreEqual(0, Interlocked.Read(ref masterChanged), "master");
Assert.AreEqual(2, Interlocked.Read(ref aCount), "a");
Assert.AreEqual(2, Interlocked.Read(ref bCount), "b");
Assert.AreEqual(0, Interlocked.Read(ref masterChanged), "master");
try
{
b.GetServer(PrimaryServer, SlavePort).MakeMaster(ReplicationChangeOptions.All);
Thread.Sleep(100);
//epA = subA.IdentifyEndpoint(channel);
//epB = subB.IdentifyEndpoint(channel);
//Console.WriteLine(epA);
//Console.WriteLine(epB);
subA.Publish(channel, "a");
subB.Publish(channel, "b");
Interlocked.Exchange(ref masterChanged, 0);
Interlocked.Exchange(ref aCount, 0);
Interlocked.Exchange(ref bCount, 0);
Console.WriteLine("Changing master...");
using (var sw = new StringWriter())
{
a.GetServer(PrimaryServer, SlavePort).MakeMaster(ReplicationChangeOptions.All, sw);
Console.WriteLine(sw);
}
subA.Ping();
subB.Ping();
Console.WriteLine("Pausing...");
Thread.Sleep(2000);
Assert.IsTrue(a.GetServer(PrimaryServer, PrimaryPort).IsSlave, PrimaryPortString + " is slave via a");
Assert.IsFalse(a.GetServer(PrimaryServer, SlavePort).IsSlave, SlavePortString + " is master via a");
Assert.IsTrue(b.GetServer(PrimaryServer, PrimaryPort).IsSlave, PrimaryPortString + " is slave via b");
Assert.IsFalse(b.GetServer(PrimaryServer, SlavePort).IsSlave, SlavePortString + " is master via b");
Console.WriteLine("Pause complete");
var counters = a.GetCounters();
Console.WriteLine("a outstanding: " + counters.TotalOutstanding);
counters = b.GetCounters();
Console.WriteLine("b outstanding: " + counters.TotalOutstanding);
subA.Ping();
subB.Ping();
epA = subA.SubscribedEndpoint(channel);
epB = subB.SubscribedEndpoint(channel);
Console.WriteLine("a: " + EndPointCollection.ToString(epA));
Console.WriteLine("b: " + EndPointCollection.ToString(epB));
Console.WriteLine("a2 sent to: " + subA.Publish(channel, "a2"));
Console.WriteLine("b2 sent to: " + subB.Publish(channel, "b2"));
subA.Ping();
subB.Ping();
Assert.AreEqual(2, Interlocked.Read(ref masterChanged), "master");
Assert.AreEqual(4, Interlocked.Read(ref aCount), "a");
Assert.AreEqual(4, Interlocked.Read(ref bCount), "b");
Console.WriteLine("Checking...");
Assert.AreEqual(2, Interlocked.Read(ref aCount), "a");
Assert.AreEqual(2, Interlocked.Read(ref bCount), "b");
Assert.AreEqual(4, Interlocked.CompareExchange(ref masterChanged, 0, 0), "master");
}
finally
{
Console.WriteLine("Restoring configuration...");
try
{
a.GetServer(PrimaryServer, PrimaryPort).MakeMaster(ReplicationChangeOptions.All);
......
StackExchange.Redis.Tests/TestBase.cs
View file @ 66b8773f
......@@ -13,8 +13,19 @@
namespace StackExchange.Redis.Tests
{
public abstract class TestBase
public abstract class TestBase : IDisposable
{
private readonly SocketManager socketManager;
protected TestBase()
{
socketManager = new SocketManager(GetType().Name);
}
public void Dispose()
{
socketManager.Dispose();
}
#if VERBOSE
protected const int AsyncOpsQty = 100, SyncOpsQty = 10;
#else
......@@ -85,7 +96,7 @@ public void Teardown()
}
protected const int PrimaryPort = 6379, SlavePort = 6380, SecurePort = 6381;
protected const string PrimaryServer = "127.0.0.1", SecurePassword = "changeme", PrimaryPortString = "6379", SecurePortString = "6381";
protected const string PrimaryServer = "127.0.0.1", SecurePassword = "changeme", PrimaryPortString = "6379", SlavePortString = "6380", SecurePortString = "6381";
internal static Task Swallow(Task task)
{
if (task != null) task.ContinueWith(swallowErrors, TaskContinuationOptions.OnlyOnFaulted);
......@@ -115,7 +126,7 @@ protected IServer GetServer(ConnectionMultiplexer muxer)
string clientName = null, int? syncTimeout = null, bool? allowAdmin = null, int? keepAlive = null,
int? connectTimeout = null, string password = null, string tieBreaker = null, TextWriter log = null,
bool fail = true, string[] disabledCommands = null, bool checkConnect = true, bool pause = true, string failMessage = null,
string channelPrefix = null)
string channelPrefix = null, bool useSharedSocketManager = true)
{
if(pause) Thread.Sleep(500); // get a lot of glitches when hammering new socket creations etc; pace it out a bit
string configuration = GetConfiguration();
......@@ -127,6 +138,7 @@ protected IServer GetServer(ConnectionMultiplexer muxer)
map[cmd] = null;
config.CommandMap = CommandMap.Create(map);
}
if (useSharedSocketManager) config.SocketManager = socketManager;
if (channelPrefix != null) config.ChannelPrefix = channelPrefix;
if (tieBreaker != null) config.TieBreaker = tieBreaker;
if (password != null) config.Password = string.IsNullOrEmpty(password) ? null : password;
......
StackExchange.Redis.sln
View file @ 66b8773f
......@@ -12,23 +12,23 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".nuget", ".nuget", "{D3090D
.nuget\packages.config = .nuget\packages.config
EndProjectSection
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Redis", "Redis", "{29A8EF11-C420-41F5-B8DC-BB586EF4D827}"
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Redis Configs", "Redis Configs", "{29A8EF11-C420-41F5-B8DC-BB586EF4D827}"
ProjectSection(SolutionItems) = preProject
master.conf = master.conf
redis-cli 7000.cmd = redis-cli 7000.cmd
redis-cli 7001.cmd = redis-cli 7001.cmd
redis-cli 7002.cmd = redis-cli 7002.cmd
redis-cli 7003.cmd = redis-cli 7003.cmd
redis-cli 7004.cmd = redis-cli 7004.cmd
redis-cli 7005.cmd = redis-cli 7005.cmd
redis-cli master.cmd = redis-cli master.cmd
redis-cli secure.cmd = redis-cli secure.cmd
redis-cli slave.cmd = redis-cli slave.cmd
redis-server master.cmd = redis-server master.cmd
redis-server secure.cmd = redis-server secure.cmd
redis-server slave.cmd = redis-server slave.cmd
secure.conf = secure.conf
slave.conf = slave.conf
Redis Configs\master.conf = Redis Configs\master.conf
Redis Configs\redis-cli 7000.cmd = Redis Configs\redis-cli 7000.cmd
Redis Configs\redis-cli 7001.cmd = Redis Configs\redis-cli 7001.cmd
Redis Configs\redis-cli 7002.cmd = Redis Configs\redis-cli 7002.cmd
Redis Configs\redis-cli 7003.cmd = Redis Configs\redis-cli 7003.cmd
Redis Configs\redis-cli 7004.cmd = Redis Configs\redis-cli 7004.cmd
Redis Configs\redis-cli 7005.cmd = Redis Configs\redis-cli 7005.cmd
Redis Configs\redis-cli master.cmd = Redis Configs\redis-cli master.cmd
Redis Configs\redis-cli secure.cmd = Redis Configs\redis-cli secure.cmd
Redis Configs\redis-cli slave.cmd = Redis Configs\redis-cli slave.cmd
Redis Configs\redis-server master.cmd = Redis Configs\redis-server master.cmd
Redis Configs\redis-server secure.cmd = Redis Configs\redis-server secure.cmd
Redis Configs\redis-server slave.cmd = Redis Configs\redis-server slave.cmd
Redis Configs\secure.conf = Redis Configs\secure.conf
Redis Configs\slave.conf = Redis Configs\slave.conf
EndProjectSection
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{709E0CE4-F0BA-4933-A4FD-4A8B6668A5D4}"
......
StackExchange.Redis/StackExchange.Redis.csproj
View file @ 66b8773f
......@@ -63,7 +63,7 @@
<Reference Include="System.IO.Compression" />
</ItemGroup>
<ItemGroup>
<Compile Include="StackExchange\RedisChannel.cs" />
<Compile Include="StackExchange\Redis\RedisChannel.cs" />
<Compile Include="StackExchange\Redis\Bitwise.cs" />
<Compile Include="StackExchange\Redis\ClientFlags.cs" />
<Compile Include="StackExchange\Redis\ClientInfo.cs" />
......@@ -133,6 +133,7 @@
<Compile Include="StackExchange\Redis\ServerSelectionStrategy.cs" />
<Compile Include="StackExchange\Redis\ServerType.cs" />
<Compile Include="StackExchange\Redis\SetOperation.cs" />
<Compile Include="StackExchange\Redis\SocketManager.cs" />
<Compile Include="StackExchange\Redis\StringSplits.cs" />
<Compile Include="StackExchange\Redis\TaskContinuationCheck.cs" />
<Compile Include="StackExchange\Redis\When.cs" />
......
StackExchange.Redis/StackExchange/Redis/ConfigurationOptions.cs
View file @ 66b8773f
......@@ -59,6 +59,12 @@ public ConfigurationOptions()
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1009:DeclareEventHandlersCorrectly")]
public event RemoteCertificateValidationCallback CertificateValidation;
/// <summary>
/// Gets or sets the SocketManager instance to be used with these options; if this is null a per-multiplexer
/// SocketManager is created automatically.
/// </summary>
public SocketManager SocketManager { get;set; }
/// <summary>
/// Indicates whether admin operations should be allowed
/// </summary>
......@@ -100,7 +106,7 @@ public ConfigurationOptions()
public EndPointCollection EndPoints { get { return endpoints; } }
/// <summary>
/// Specifies the time in milliseconds at which connections should be pinged to ensure validity
/// Specifies the time in seconds at which connections should be pinged to ensure validity
/// </summary>
public int KeepAlive { get { return keepAlive.GetValueOrDefault(-1); } set { keepAlive = value; } }
......@@ -178,7 +184,8 @@ public ConfigurationOptions Clone()
CommandMap = CommandMap,
CertificateValidation = CertificateValidation,
CertificateSelection = CertificateSelection,
ChannelPrefix = ChannelPrefix.Clone()
ChannelPrefix = ChannelPrefix.Clone(),
SocketManager = SocketManager,
};
foreach (var item in endpoints)
options.endpoints.Add(item);
......@@ -298,6 +305,7 @@ void Clear()
CertificateValidation = null;
CommandMap = CommandMap.Default;
ChannelPrefix = default(RedisChannel);
SocketManager = null;
}
object ICloneable.Clone() { return Clone(); }
......
StackExchange.Redis/StackExchange/Redis/ConnectionMultiplexer.ReaderWriter.cs
View file @ 66b8773f
......@@ -6,12 +6,19 @@ namespace StackExchange.Redis
{
partial class ConnectionMultiplexer
{
partial void OnCreateReaderWriter()
internal SocketManager SocketManager { get { return socketManager; } }
private SocketManager socketManager;
private bool ownsSocketManager;
partial void OnCreateReaderWriter(ConfigurationOptions configuration)
{
this.ownsSocketManager = configuration.SocketManager == null;
this.socketManager = configuration.SocketManager ?? new SocketManager(configuration.ClientName);
// we need a dedicated writer, because when under heavy ambient load
// (a busy asp.net site, for example), workers are not reliable enough
Thread dedicatedWriter = new Thread(writeAllQueues);
dedicatedWriter.Name = "SE.Redis.Writer";
dedicatedWriter.Name = socketManager.Name + ":Write";
dedicatedWriter.IsBackground = true; // should not keep process alive
dedicatedWriter.Start(this); // will self-exit when disposed
}
......@@ -22,6 +29,8 @@ partial class ConnectionMultiplexer
{ // make sure writer threads know to exit
Monitor.PulseAll(writeQueue);
}
if (ownsSocketManager) socketManager.Dispose();
socketManager = null;
}
private readonly Queue<PhysicalBridge> writeQueue = new Queue<PhysicalBridge>();
......
StackExchange.Redis/StackExchange/Redis/ISubscriber.cs
View file @ 66b8773f
......@@ -86,5 +86,13 @@ public interface ISubscriber : IRedis
/// </summary>
[IgnoreNamePrefix]
Task<EndPoint> IdentifyEndpointAsync(RedisChannel channel, CommandFlags flags = CommandFlags.None);
/// <summary>
/// Inidicate to which redis server we are actively subscribed for a given channel; returns null if
/// the channel is not actively subscribed
/// </summary>
[IgnoreNamePrefix]
EndPoint SubscribedEndpoint(RedisChannel channel);
}
}
\ No newline at end of file
StackExchange.Redis/StackExchange/Redis/Message.cs
View file @ 66b8773f
......@@ -63,8 +63,8 @@ abstract class Message : ICompletable
protected RedisCommand command;
private const CommandFlags AskingFlag = (CommandFlags)32,
InternalCallFlag = (CommandFlags)128;
private const CommandFlags AskingFlag = (CommandFlags)32;
internal const CommandFlags InternalCallFlag = (CommandFlags)128;
public virtual void AppendStormLog(StringBuilder sb)
......@@ -349,12 +349,13 @@ public bool IsMasterOnly()
}
/// <summary>
/// This does two important things:
/// This does a few important things:
/// 1: it suppresses error events for commands that the user isn't interested in
/// (i.e. "why does my standalone server keep saying ERR unknown command 'cluster' ?")
/// 2: it allows the initial PING and GET (during connect) to get queued rather
/// than be rejected as no-server-available (note that this doesn't apply to
/// handshake messages, as they bypass the queue completely)
/// 3: it disables non-pref logging, as it is usually server-targeted
/// </summary>
public void SetInternalCall()
{
......@@ -363,7 +364,7 @@ public void SetInternalCall()
public override string ToString()
{
return string.Format("[{0}]:{1} ({2})", Db, Command,
return string.Format("[{0}]:{1} ({2})", Db, CommandAndKey,
resultProcessor == null ? "(n/a)" : resultProcessor.GetType().Name);
}
......
StackExchange.Redis/StackExchange/Redis/PhysicalBridge.cs
View file @ 66b8773f
......@@ -23,7 +23,7 @@ private static readonly Message
private int beating;
int failConnectCount = 0;
volatile bool isDisposed;
private volatile int missedHeartbeats;
//private volatile int missedHeartbeats;
private long operationCount, socketCount;
private int pendingCount;
private volatile PhysicalConnection physical;
......@@ -116,7 +116,6 @@ public bool TryEnqueue(Message message, bool isSlave)
// you can go in the queue, but we won't be starting
// a worker, because the handshake has not completed
queue.Push(message);
LogNonPreferred(message.Flags, isSlave);
Interlocked.Increment(ref pendingCount);
return true;
}
......@@ -139,6 +138,8 @@ public bool TryEnqueue(Message message, bool isSlave)
return true;
}
private void LogNonPreferred(CommandFlags flags, bool isSlave)
{
if ((flags & Message.InternalCallFlag) == 0) // don't log internal-call
{
if (isSlave)
{
......@@ -151,6 +152,7 @@ private void LogNonPreferred(CommandFlags flags, bool isSlave)
Interlocked.Increment(ref nonPreferredEndpointCount);
}
}
}
long nonPreferredEndpointCount;
internal void GetCounters(ConnectionCounters counters)
......@@ -231,27 +233,31 @@ internal void IncrementOpCount()
internal void KeepAlive()
{
var commandMap = multiplexer.CommandMap;
Message msg;
Message msg = null;
switch (connectionType)
{
case ConnectionType.Interactive:
if (commandMap.IsAvailable(RedisCommand.PING))
{
msg = Message.Create(-1, CommandFlags.FireAndForget, RedisCommand.PING);
msg.SetInternalCall();
serverEndPoint.QueueDirectFireAndForget(msg, ResultProcessor.DemandPONG);
msg.SetSource(ResultProcessor.DemandPONG, null);
}
break;
case ConnectionType.Subscription:
if (commandMap.IsAvailable(RedisCommand.UNSUBSCRIBE))
{
RedisKey channel = Guid.NewGuid().ToByteArray();
msg = Message.Create(-1, CommandFlags.FireAndForget, RedisCommand.UNSUBSCRIBE, channel);
msg.SetInternalCall();
serverEndPoint.QueueDirectFireAndForget(msg, ResultProcessor.TrackSubscriptions);
msg = Message.Create(-1, CommandFlags.FireAndForget, RedisCommand.UNSUBSCRIBE,
(RedisChannel)Guid.NewGuid().ToByteArray());
msg.SetSource(ResultProcessor.TrackSubscriptions, null);
}
break;
}
if(msg != null)
{
msg.SetInternalCall();
multiplexer.Trace("Enqueue: " + msg);
TryEnqueue(msg, serverEndPoint.IsSlave);
}
}
internal void OnConnected(PhysicalConnection connection)
......@@ -267,12 +273,13 @@ internal void OnConnected(PhysicalConnection connection)
}
}
internal void OnConnectionFailed(EndPoint endPoint, ConnectionFailureType failureType, Exception innerException)
internal void OnConnectionFailed(PhysicalConnection connection, ConnectionFailureType failureType, Exception innerException)
{
if (reportNextFailure)
if (connection == physical && reportNextFailure)
{
reportNextFailure = false; // until it is restored
multiplexer.OnConnectionFailed(endPoint, failureType, innerException, reconfigureNextFailure);
var endpoint = serverEndPoint.EndPoint;
multiplexer.OnConnectionFailed(endpoint, failureType, innerException, reconfigureNextFailure);
}
}
......@@ -327,7 +334,10 @@ internal void OnFullyEstablished(PhysicalConnection connection)
try { connection.Dispose(); } catch { }
}
}
internal int GetPendingCount()
{
return Thread.VolatileRead(ref pendingCount);
}
internal void OnHeartbeat()
{
bool runThisTime = false;
......@@ -348,11 +358,10 @@ internal void OnHeartbeat()
var tmp = physical;
if (tmp != null)
{
int maxMissed = serverEndPoint.MaxMissedHeartbeats;
if (maxMissed > 0 && ++missedHeartbeats >= maxMissed && Thread.VolatileRead(ref pendingCount) == 0)
int writeEvery = serverEndPoint.WriteEverySeconds;
if (writeEvery > 0 && tmp.LastWriteSecondsAgo >= writeEvery && Thread.VolatileRead(ref pendingCount) == 0)
{
Trace("OnHeartbeat - overdue");
missedHeartbeats = 0;
if (state == (int)State.ConnectedEstablished)
{
KeepAlive();
......@@ -385,11 +394,6 @@ internal void RemovePhysical(PhysicalConnection connection)
Interlocked.CompareExchange(ref physical, null, connection);
}
internal void Seen()
{
missedHeartbeats = 0;
}
[Conditional("VERBOSE")]
internal void Trace(string message)
{
......@@ -662,23 +666,26 @@ internal WriteResult WriteQueue(int maxWork)
}
int count = 0;
Message last = null;
while (true)
{
var next = queue.Dequeue();
if (next == null)
{
Trace("Nothing to write; exiting");
{
Trace(last != null, "Flushed up to: " + last);
conn.Flush();
return WriteResult.QueueEmpty;
}
}
last = next;
var newPendingCount = Interlocked.Decrement(ref pendingCount);
Trace("Now pending: " + newPendingCount);
WriteMessageDirect(conn, next);
count++;
if (maxWork > 0 && count >= maxWork)
{
Trace("Work limit; exiting");
Trace(last != null, "Flushed up to: " + last);
conn.Flush();
break;
}
......
StackExchange.Redis/StackExchange/Redis/RedisSubscriber.cs
View file @ 66b8773f
......@@ -96,29 +96,43 @@ public Task<EndPoint> IdentifyEndpointAsync(RedisChannel channel, CommandFlags f
msg.SetInternalCall();
return ExecuteAsync(msg, ResultProcessor.ConnectionIdentity);
}
public EndPoint SubscribedEndpoint(RedisChannel channel)
{
var server = multiplexer.GetSubscribedServer(channel);
return server == null ? null : server.EndPoint;
}
}
partial class ConnectionMultiplexer
{
internal bool SubscriberConnected(RedisChannel channel = default(RedisChannel))
internal ServerEndPoint GetSubscribedServer(RedisChannel channel)
{
ServerEndPoint server;
if (!channel.IsNullOrEmpty)
{
lock(subscriptions)
lock (subscriptions)
{
Subscription sub;
if(subscriptions.TryGetValue(channel, out sub))
if (subscriptions.TryGetValue(channel, out sub))
{
server = sub.GetOwner();
return sub.GetOwner();
}
}
}
return null;
}
internal bool SubscriberConnected(RedisChannel channel = default(RedisChannel))
{
var server = GetSubscribedServer(channel);
if (server != null) return server.IsConnected;
server = SelectServer(-1, RedisCommand.SUBSCRIBE, CommandFlags.DemandMaster, default(RedisKey));
return server != null && server.IsConnected;
}
private sealed class Subscription
{
private Action<RedisChannel, RedisValue> handler;
......@@ -326,6 +340,5 @@ internal void ResendSubscriptions(ServerEndPoint server)
}
return false;
}
}
}
StackExchange.Redis/StackExchange/Redis/ResultProcessor.cs
View file @ 66b8773f
......@@ -376,20 +376,19 @@ protected override bool SetResultCore(PhysicalConnection connection, Message mes
if (key.Assert(timeout) && arr[(i * 2) + 1].TryGetInt64(out i64))
{
// note the configuration is in seconds
int timeoutMilliseconds = checked((int)i64) * 1000,
targetMilliseconds;
if (timeoutMilliseconds > 0)
int timeoutSeconds = checked((int)i64), targetSeconds;
if (timeoutSeconds > 0)
{
if (timeoutMilliseconds >= 60000)
if (timeoutSeconds >= 60)
{
targetMilliseconds = timeoutMilliseconds - 15000; // time to spare...
targetSeconds = timeoutSeconds - 20; // time to spare...
}
else
{
targetMilliseconds = (timeoutMilliseconds * 3) / 4;
targetSeconds = (timeoutSeconds * 3) / 4;
}
server.Multiplexer.Trace("Auto-configured timeout: " + targetMilliseconds + "ms");
server.SetHeartbeatMilliseconds(targetMilliseconds);
server.Multiplexer.Trace("Auto-configured timeout: " + targetSeconds + "s");
server.WriteEverySeconds = targetSeconds;
}
}
else if (key.Assert(databases) && arr[(i * 2) + 1].TryGetInt64(out i64))
......@@ -800,7 +799,7 @@ protected override bool SetResultCore(PhysicalConnection connection, Message mes
case ResultType.BulkString:
string s = result.GetString();
RedisType value;
if (!Enum.TryParse<RedisType>(s, true, out value)) value = StackExchange.Redis.RedisType.Unknown;
if (!Enum.TryParse<RedisType>(s, true, out value)) value = global::StackExchange.Redis.RedisType.Unknown;
SetResult(message, value);
return true;
}
......
StackExchange.Redis/StackExchange/Redis/ServerEndPoint.cs
View file @ 66b8773f
......@@ -31,7 +31,7 @@ internal sealed partial class ServerEndPoint : IDisposable
private readonly ConnectionMultiplexer multiplexer;
private int databases, maxMissedHeartbeats;
private int databases, writeEverySeconds;
private PhysicalBridge interactive, subscription;
......@@ -54,7 +54,7 @@ public ServerEndPoint(ConnectionMultiplexer multiplexer, EndPoint endpoint)
slaveReadOnly = true;
isSlave = false;
databases = 0;
maxMissedHeartbeats = ComputeBeatsFromMilliseconds(config.KeepAlive);
writeEverySeconds = config.KeepAlive;
interactive = CreateBridge(ConnectionType.Interactive);
serverType = ServerType.Standalone;
}
......@@ -78,7 +78,7 @@ public bool IsConnected
public bool IsSlave { get { return isSlave; } set { SetConfig(ref isSlave, value); } }
public int MaxMissedHeartbeats { get { return maxMissedHeartbeats; } set { SetConfig(ref maxMissedHeartbeats, value); } }
public int WriteEverySeconds { get { return writeEverySeconds; } set { SetConfig(ref writeEverySeconds, value); } }
public long OperationCount
{
......@@ -357,11 +357,6 @@ internal void ReportNextFailure()
if (tmp != null) tmp.ReportNextFailure();
}
internal void SetHeartbeatMilliseconds(int value)
{
MaxMissedHeartbeats = ComputeBeatsFromMilliseconds(value);
}
internal string Summary()
{
var sb = new StringBuilder(Format.ToString(endpoint))
......@@ -369,9 +364,8 @@ internal string Summary()
if (databases > 0) sb.Append("; ").Append(databases).Append(" databases");
if (maxMissedHeartbeats > 0)
sb.Append("; keep-alive: ").Append(
TimeSpan.FromMilliseconds(maxMissedHeartbeats * ConnectionMultiplexer.MillisecondsPerHeartbeat));
if (writeEverySeconds > 0)
sb.Append("; keep-alive: ").Append(TimeSpan.FromSeconds(writeEverySeconds));
var tmp = interactive;
sb.Append("; int: ").Append(tmp == null ? "n/a" : tmp.ConnectionState.ToString());
tmp = subscription;
......@@ -418,19 +412,6 @@ internal void WriteDirectOrQueueFireAndForget<T>(PhysicalConnection connection,
}
}
private static int ComputeBeatsFromMilliseconds(int value)
{
if (value > 0)
{
int beats = value / ConnectionMultiplexer.MillisecondsPerHeartbeat;
if (beats == 0) beats = 1;
return beats;
}
else
{
return -1;
}
}
private PhysicalBridge CreateBridge(ConnectionType type)
{
multiplexer.Trace(type.ToString());
......@@ -491,7 +472,7 @@ void Handshake(PhysicalConnection connection)
var configChannel = multiplexer.ConfigurationChangedChannel;
if(configChannel != null)
{
msg = Message.Create(-1, CommandFlags.FireAndForget, RedisCommand.SUBSCRIBE, (RedisValue)configChannel);
msg = Message.Create(-1, CommandFlags.FireAndForget, RedisCommand.SUBSCRIBE, (RedisChannel)configChannel);
WriteDirectOrQueueFireAndForget(connection, msg, ResultProcessor.TrackSubscriptions);
}
}
......@@ -505,7 +486,7 @@ private void SetConfig<T>(ref T field, T value, [CallerMemberName] string caller
{
multiplexer.Trace(caller + " changed from " + field + " to " + value, "Configuration");
field = value;
multiplexer.ReconfigureIfNeeded(endpoint, false);
multiplexer.ReconfigureIfNeeded(endpoint, false, caller);
}
}
......
StackExchange.Redis/StackExchange/Redis/SocketManager.cs 0 → 100644
View file @ 66b8773f
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