public static void AddService <T>(T service)
{
if (instance is IServiceContainer container)
{
container.AddService(typeof(T), service);
}
InvalidateCachedServices(); // Invalidate our own cached services
ServiceChanged?.Invoke();
}
/// <summary>
/// 拉取改变
/// </summary>
/// <param name="serviceName"></param>
/// <param name="consulUrl"></param>
/// <param name="consulTag"></param>
/// <returns></returns>
private async Task PollForChanges(string serviceName, string consulUrl, string consulTag)
{
if (_pollForChanges.Contains(serviceName))
{
return;
}
_pollForChanges.Add(serviceName);
var client = CreateConsulClient(consulUrl);
while (true)
{
try
{
_lastIndexs.TryGetValue(serviceName, out var lastIndex);
var queryOptions = new QueryOptions()
{
WaitIndex = lastIndex
};
var res = await client.Health.Service(serviceName, consulTag, true, queryOptions);
if (res != null && UpdateLastIndex(serviceName, res))
{
if (res.Response.Count() == 0)
{
var ex = new Exception($"get health {serviceName} is null, StatuCode:{res.StatusCode}");
LoggerAccessor.Instance.OnLoggerError(new InternalException(GrpcErrorCode.Internal, $"PollForChanges", ex), LogType.ClientLog);
}
else
{
ServiceChanged?.Invoke(serviceName, res.Response.Select(q => $"{q.Service.Address}:{q.Service.Port}").ToList());
}
}
}
catch (Exception ex)
{
LoggerAccessor.Instance.OnLoggerError(new InternalException(GrpcErrorCode.Internal, "PollForChanges", ex), LogType.ClientLog);
}
}
}
private void OnServiceChanged(Object sender, EventArgs args)
{
ServiceChanged?.Invoke(sender, args);
}
public static void RemoveService <T>()
{
Services.RemoveService(typeof(T));
InvalidateCachedServices(); // Invalidate our own cached services
ServiceChanged?.Invoke();
}