private void PubSubMessageReceived(RedisPubSubMessage message)
{
if (!message.IsEmpty)
{
try
{
InvokeOnSentinelMessage(message);
}
catch (Exception)
{ }
}
}
protected virtual void MessageReceived(RedisPubSubMessage message)
{
if (!Disposed &&
!ReferenceEquals(message, null) && !message.IsEmpty &&
CanSendMessage(message))
{
m_LastMessageSeenTime = DateTime.UtcNow;
if (!message.IsEmpty)
{
switch (message.Type)
{
case RedisPubSubMessageType.Message:
{
var subscriptions = m_Subscriptions;
if (subscriptions != null &&
subscriptions.HasCallbacks(message.Channel))
{
subscriptions.Invoke(message.Channel, message);
}
}
break;
case RedisPubSubMessageType.PMessage:
{
var subscriptions = m_PSubscriptions;
if (subscriptions != null &&
subscriptions.HasCallbacks(message.Pattern))
{
subscriptions.Invoke(message.Pattern, message);
}
}
break;
default:
break;
}
}
}
}
protected virtual bool CanSendMessage(RedisPubSubMessage message)
{
return(true);
}
private void InvokeOnSentinelMessage(RedisPubSubMessage message)
{
var messageType = ToSentinelMessageType(message.Channel);
if (messageType == RedisSentinelMessageType.Undefined)
{
return;
}
var data = message.Data;
if (data != null)
{
var rawData = data.RawData as byte[];
if (rawData != null)
{
var msgText = rawData.ToUTF8String();
if (!msgText.IsEmpty())
{
var parts = msgText.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (parts != null)
{
var partsLength = parts.Length;
if (partsLength > 0)
{
/*
+switch-master mymaster 127.0.0.1 6379 127.0.0.1 6380
*/
if (messageType == RedisSentinelMessageType.MasterChanged)
{
if (partsLength > 2)
{
var onSentinelMessage = m_OnSentinelMessage;
if (onSentinelMessage != null)
{
var masterName = parts[0];
if (masterName == MasterName)
{
var oldEndPoint = ToEndPoint(parts[1], parts[2]);
var newEndPoint = (partsLength > 4) ? ToEndPoint(parts[3], parts[4]) : RedisEndPoint.Empty;
onSentinelMessage(new RedisSentinelMessage(messageType, masterName,
new RedisNodeInfo(newEndPoint, RedisRole.Master),
new RedisNodeInfo(oldEndPoint, RedisRole.Master)));
}
}
}
return;
}
/* Samples:
+sdown master mymaster 127.0.0.1 6380
+sdown slave 127.0.0.1:6380 127.0.0.1 6380 @ mymaster 127.0.0.1 6379
* -sdown slave 127.0.0.1:6380 127.0.0.1 6380 @ mymaster 127.0.0.1 6379
*
+odown master mymaster 127.0.0.1 6379 #quorum 2/2
* -odown master mymaster 127.0.0.1 6379
*
+sdown sentinel 127.0.0.1:26381 127.0.0.1 26381 @ mymaster 127.0.0.1 6379
* -dup-sentinel master mymaster 127.0.0.1 6381 #duplicate of 127.0.0.1:26381 or cab1c287ec59309126ad1a63b354ba132bb4e55b
+sentinel sentinel 127.0.0.1:26381 127.0.0.1 26379 @ mymaster 127.0.0.1 6379
*/
if (partsLength > 3)
{
var onSentinelMessage = m_OnSentinelMessage;
if (onSentinelMessage != null)
{
var instanceType = (parts[0] ?? String.Empty).ToLowerInvariant();
var role = instanceType.ToRedisRole();
switch (role)
{
case RedisRole.Master:
{
var masterName = parts[1];
if (masterName == MasterName)
{
var masterEndPoint = ToEndPoint(parts[2], parts[3]);
onSentinelMessage(new RedisSentinelMessage(messageType, masterName,
new RedisNodeInfo(masterEndPoint, RedisRole.Master),
new RedisNodeInfo(RedisEndPoint.Empty, RedisRole.Undefined)));
}
break;
}
case RedisRole.Slave:
case RedisRole.Sentinel:
{
if (partsLength > 4)
{
var masterName = parts[5];
if (masterName == MasterName)
{
var instanceName = parts[1];
var instanceEndPoint = ToEndPoint(parts[2], parts[3]);
var masterEndPoint = (partsLength > 7) ? ToEndPoint(parts[6], parts[7]) : RedisEndPoint.Empty;
if (instanceEndPoint.IsEmpty() && !instanceName.IsEmpty())
{
var nameParts = instanceName.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
if (!nameParts.IsEmpty())
{
instanceEndPoint = ToEndPoint(nameParts[0], nameParts[1]);
}
}
onSentinelMessage(new RedisSentinelMessage(messageType, masterName,
new RedisNodeInfo(instanceEndPoint, role, instanceName),
new RedisNodeInfo(masterEndPoint, !masterEndPoint.IsEmpty() ? RedisRole.Master : RedisRole.Undefined)));
}
}
break;
}
}
}
}
}
}
}
}
}
}
