/// <summary>
/// Lock
/// </summary>
/// <param name="client"></param>
/// <param name="globalLockKey"></param>
/// <param name="acquisitionTimeout">in seconds</param>
/// <param name="lockTimeout">in seconds</param>
public DisposableDistributedLock(IRedisClient client, string globalLockKey, int acquisitionTimeout, int lockTimeout)
{
myLock = new DistributedLock();
myClient = client;
this.globalLockKey = globalLockKey;
lockState = myLock.Lock(globalLockKey, acquisitionTimeout, lockTimeout, out lockExpire, myClient);
}
/// <summary>
/// Lock
/// </summary>
/// <param name="client"></param>
/// <param name="globalLockKey"></param>
/// <param name="acquisitionTimeout">in seconds</param>
/// <param name="lockTimeout">in seconds</param>
public DisposableDistributedLock(IRedisClient client, string globalLockKey, int acquisitionTimeout, int lockTimeout)
{
myLock = new DistributedLock();
myClient = client;
this.globalLockKey = globalLockKey;
lockState = myLock.Lock(globalLockKey, acquisitionTimeout, lockTimeout, out lockExpire, myClient);
}
static void ZooKeeperReadWriteLockTest()
{
var rd = new Random();
for (int i = 0; i < 5; i++)
{
Task.Factory.StartNew(() =>
{
var seed = rd.Next(1, 100);
IDistributedLock zkLock = ((seed % 2) == 1)
?
new ZooKeeperWriteLock(new ZooKeeperReadWriteLockOptions()) as IDistributedLock
:
new ZooKeeperReadLock(new ZooKeeperReadWriteLockOptions()) as IDistributedLock;
using (zkLock)
{
if (zkLock.Lock())
{
Thread.Sleep(1000);
zkLock.UnLock();
Trace.WriteLine("UnLock");
}
else
{
Trace.WriteLine("Get Lock Failed.");
}
}
});
}
}
/// <summary>
/// Lock
/// </summary>
/// <param name="client"></param>
/// <param name="globalLockKey"></param>
/// <param name="acquisitionTimeout">in seconds</param>
/// <param name="lockTimeout">in seconds</param>
public DisposableDistributedLock(ConnectionMultiplexer connection, string globalLockKey, int lockTimeout)
{
myLock = new DistributedLock();
myConnection = connection;
this.globalLockKey = globalLockKey;
this.lockValue = Guid.NewGuid().ToString();
isLocked = myLock.Lock(globalLockKey, this.lockValue, lockTimeout, myConnection);
}
private async Task <int> GetWorkerId()
{
if (!_distributedIdOption.Distributed)
{
return(_distributedIdOption.WorkderId == 0 ? new Random().Next(1, 1024) : _distributedIdOption.WorkderId);
}
//分布式需要计算WorkerId
IDistributedCache distributedCache = _serviceProvider.GetService <IDistributedCache>();
if (distributedCache == null)
{
throw new Exception("请注入IDistributedCache:https://github.com/Coldairarrow/Colder.Components#%E5%88%86%E5%B8%83%E5%BC%8F%E7%BC%93%E5%AD%98");
}
IDistributedLock distributedLock = _serviceProvider.GetService <IDistributedLock>();
if (distributedLock == null)
{
throw new Exception("请注入IDistributedLock:https://github.com/Coldairarrow/Colder.Components#%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81");
}
for (int i = 1; i < 1024; i++)
{
var lockKey = $"{GetType().FullName}:WorkerIdLock:{i}";
using var _ = distributedLock.Lock(lockKey);
var key = $"{GetType().FullName}:WorkerId:{i}";
var value = await distributedCache.GetStringAsync(key);
if (string.IsNullOrEmpty(value))
{
await distributedCache.SetStringAsync(key, DateTimeOffset.Now.ToString(), new DistributedCacheEntryOptions
{
AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(10)
});
//定时刷新，心跳
_timer = new Timer(state =>
{
distributedCache.SetString(key, DateTimeOffset.Now.ToString(), new DistributedCacheEntryOptions
{
AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(10)
});
}, null, 0, 1000);
return(i);
}
}
throw new Exception("WorkerId已用完");
}
/// <summary>
/// Lock
/// </summary>
/// <param name="client"></param>
/// <param name="globalLockKey"></param>
/// <param name="acquisitionTimeout">in seconds</param>
/// <param name="lockTimeout">in seconds</param>
public DisposableDistributedLock(IRedisClient client, string globalLockKey, int acquisitionTimeout, int lockTimeout)
{
myLock = new DistributedLock(client);
lockState = myLock.Lock(globalLockKey, acquisitionTimeout, lockTimeout);
}
/// <summary>
/// Lock
/// </summary>
/// <param name="client"></param>
/// <param name="globalLockKey"></param>
/// <param name="acquisitionTimeout">in seconds</param>
/// <param name="lockTimeout">in seconds</param>
public DisposableDistributedLock(IRedisClient client, string globalLockKey, int acquisitionTimeout, int lockTimeout)
{
myLock = new DistributedLock(client);
lockState = myLock.Lock(globalLockKey, acquisitionTimeout, lockTimeout);
}