public void AddServer( )
        {
            var configuration = ConfigurationSettings.GetRedisConfigurationSection( );

            Assert.AreEqual(1, configuration.Servers.Count);

            configuration.Servers.Add(new RedisServer("abc", 123));

            ConfigurationSettings.UpdateRedisConfigurationSection(configuration);

            Assert.AreEqual(2, configuration.Servers.Count);

            RedisServer server = configuration.Servers[0];

            Assert.IsNotNull(server);
            Assert.AreEqual("localhost", server.HostName);
            Assert.AreEqual(6379, server.Port);

            server = configuration.Servers[1];

            Assert.IsNotNull(server);
            Assert.AreEqual("abc", server.HostName);
            Assert.AreEqual(123, server.Port);

            configuration.Servers.Remove("abc");

            ConfigurationSettings.UpdateRedisConfigurationSection(configuration);

            Assert.AreEqual(1, configuration.Servers.Count);
        }
        public void GetServers( )
        {
            var configuration = ConfigurationSettings.GetRedisConfigurationSection( );

            Assert.AreEqual(1, configuration.Servers.Count);

            RedisServer server = configuration.Servers[0];

            Assert.IsNotNull(server);
            Assert.AreEqual("localhost", server.HostName);
            Assert.AreEqual(6379, server.Port);
        }
        public void RemoveServer( )
        {
            var configuration = ConfigurationSettings.GetRedisConfigurationSection( );

            Assert.AreEqual(1, configuration.Servers.Count);

            RedisServer server = configuration.Servers[0];

            configuration.Servers.RemoveAt(0);

            ConfigurationSettings.UpdateRedisConfigurationSection(configuration);

            Assert.AreEqual(0, configuration.Servers.Count);

            configuration.Servers.Add(server);

            ConfigurationSettings.UpdateRedisConfigurationSection(configuration);

            Assert.AreEqual(1, configuration.Servers.Count);
        }
예제 #4
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        /// <summary>
        ///     Connects to a redis server.
        /// </summary>
        public void Connect(bool allowAdmin = false)
        {
            lock ( _syncRoot )
            {
                if (IsConnected)
                {
                    return;
                }

                RedisConfiguration configuration = ConfigurationSettings.GetRedisConfigurationSection( );

                if (configuration == null)
                {
                    throw new RedisConnectionException("Invalid Redis configuration.");
                }

                if (configuration.Servers == null || configuration.Servers.Count <= 0)
                {
                    throw new RedisConnectionException("No Redis servers found.");
                }

                /////
                // Randomly pick a redis server from the pool.
                // (Load balance this at a later stage).
                /////
                var random = new Random(Environment.TickCount);

                int serverId = random.Next(0, configuration.Servers.Count - 1);

                RedisServer redisServer = configuration.Servers[serverId];

                if (redisServer == null || string.IsNullOrEmpty(redisServer.HostName))
                {
                    throw new RedisConnectionException("Invalid Redis server configuration.");
                }

                string host = string.Format("{0}:{1}", redisServer.HostName, redisServer.Port);

                ConfigurationOptions configurationOptions = ConfigurationOptions.Parse(host);
                configurationOptions.ClientName         = GetClientName( );
                configurationOptions.AbortOnConnectFail = false;
                configurationOptions.AllowAdmin         = allowAdmin;

                EventLog.Application.WriteInformation("Connecting to Redis server ('{0}')...", host);

                try
                {
                    ConnectionMultiplexer multiplexer = ConnectionMultiplexer.Connect(configurationOptions);

                    /////
                    // Allow concurrent message processing.
                    /////
                    multiplexer.PreserveAsyncOrder = false;

                    multiplexer.ConnectionFailed   += ConnectionFailed;
                    multiplexer.ConnectionRestored += ConnectionRestored;

                    EventLog.Application.WriteInformation(multiplexer.IsConnected ? "Connection to Redis server ('{0}') established." : "Connection to Redis server ('{0}') failed. Connection will be automatically reestablished when possible.", host);

                    IServer server = multiplexer.GetServer(host);

                    if (server != null)
                    {
                        PrepareScripts(server);
                    }

                    ActiveConnection = multiplexer;
                }
                catch (StackExchange.Redis.RedisConnectionException exc)
                {
                    EventLog.Application.WriteWarning("Connection to Redis server '{0}' failed.\n{1}", host, exc);
                }
            }
        }