/// <summary>
/// 判断一个地址是否健康。
/// </summary>
/// <param name="address">地址模型。</param>
/// <returns>健康返回true，否则返回false。</returns>
public Task<bool> IsHealth(AddressModel address)
{
return Task.Run(() =>
{
var key = address.ToString();
MonitorEntry entry;
return !_dictionary.TryGetValue(key, out entry) || entry.Health;
});
}
/// <summary>
/// 监控一个地址。
/// </summary>
/// <param name="address">地址模型。</param>
/// <returns>一个任务。</returns>
public Task Monitor(AddressModel address)
{
return Task.Run(() => { _dictionary.GetOrAdd(address.ToString(), k => new MonitorEntry(address)); });
}
/// <summary>
/// 标记一个地址为失败的。
/// </summary>
/// <param name="address">地址模型。</param>
/// <returns>一个任务。</returns>
public Task MarkFailure(AddressModel address)
{
return Task.Run(() =>
{
var key = address.ToString();
var entry = _dictionary.GetOrAdd(key, k => new MonitorEntry(address, false));
entry.Health = false;
});
}