public void UnLockAnyway(string key)
{
if (_microServiceHost.MasterGatewayAddress == null)
{
throw new MissMasterGatewayException("未连接上主网关");
}
var transactionId = "";
RemovingKeyDict.TryAdd(key, transactionId);
DateTime startime = DateTime.Now;
while (true)
{
try
{
//如果连接网关失败
using (var netclient = GatewayConnector.CreateClient(_microServiceHost.MasterGatewayAddress))
{
netclient.WriteServiceData(new GatewayCommand
{
Type = CommandType.LockKey,
Content = new LockKeyInfo
{
Key = key,
MicroServiceId = "$$$",//表示强制释放
IsUnlock = true
}.ToJsonString()
});
var ret = netclient.ReadServiceObject <InvokeResult <string> >();
if (!ret.Success && ret.Data != null)
{
throw new Exception(ret.Data);
}
}
LockedKeyDict.TryRemove(key, out transactionId);
RemovingKeyDict.TryRemove(key, out transactionId);
break;
}
catch (Exception)
{
//如果发生错误，可以不断重试，直到超时为止
if ((DateTime.Now - startime).TotalMilliseconds > _gatewayKeyTimeout)
{
//如果已经连不上网关，网关会在10秒内释放这个key
LockedKeyDict.TryRemove(key, out transactionId);
RemovingKeyDict.TryRemove(key, out transactionId);
throw;
}
else
{
Thread.Sleep(1000);
}
}
}
}
public bool TryLock(string transactionId, string key)
{
if (_microServiceHost.MasterGatewayAddress == null)
{
throw new MissMasterGatewayException("未连接上主网关");
}
if (string.IsNullOrEmpty(transactionId))
{
throw new Exception("tranid is empty");
}
LockedKeyDict.TryGetValue(key, out string lockerTranId);
if (lockerTranId == transactionId)
{
return(true);
}
if (LockedKeyDict.TryAdd(key, transactionId))
{
try
{
using (var netclient = GatewayConnector.CreateClient(_microServiceHost.MasterGatewayAddress))
{
netclient.WriteServiceData(new GatewayCommand
{
Type = CommandType.LockKey,
Content = new LockKeyInfo
{
Key = key,
MicroServiceId = _microServiceHost.Id,
}.ToJsonString()
});
var ret = netclient.ReadServiceObject <InvokeResult <string> >();
if (ret.Success == false)
{
LockedKeyDict.TryRemove(key, out transactionId);
}
//记录网关的超时时间
if (ret.Success)
{
_gatewayKeyTimeout = Convert.ToInt32(ret.Data);
}
return(ret.Success);
}
}
catch (Exception)
{
LockedKeyDict.TryRemove(key, out transactionId);
throw;
}
}
return(false);
}
public bool TryUnLock(string transactionId, string key)
{
if (_microServiceHost.MasterGatewayAddress == null)
{
throw new MissMasterGatewayException("未连接上主网关");
}
if (string.IsNullOrEmpty(transactionId))
{
throw new Exception("tranid is empty");
}
if (LockedKeyDict.TryGetValue(key, out string locker))
{
if (locker == transactionId)
{
RemovingKeyDict.TryAdd(key, transactionId);
DateTime startime = DateTime.Now;
while (true)
{
try
{
//如果连接网关失败
using (var netclient = GatewayConnector.CreateClient(_microServiceHost.MasterGatewayAddress))
{
netclient.WriteServiceData(new GatewayCommand
{
Type = CommandType.LockKey,
Content = new LockKeyInfo
{
Key = key,
MicroServiceId = _microServiceHost.Id,
IsUnlock = true
}.ToJsonString()
});
var ret = netclient.ReadServiceObject <InvokeResult <string> >();
LockedKeyDict.TryRemove(key, out transactionId);
RemovingKeyDict.TryRemove(key, out transactionId);
if (!ret.Success && ret.Data != null)
{
throw new Exception(ret.Data);
}
return(ret.Success);
}
break;
}
catch (Exception)
{
//如果发生错误，可以不断重试，直到超时为止
if ((DateTime.Now - startime).TotalMilliseconds > _gatewayKeyTimeout)
{
//如果已经连不上网关，网关会在10秒内释放这个key
LockedKeyDict.TryRemove(key, out transactionId);
RemovingKeyDict.TryRemove(key, out transactionId);
throw;
}
else
{
Thread.Sleep(1000);
}
}
}
}
}
return(false);
}
