public static void Start(List <string> local, List <string> remote)
{
if (s_task != null)
{
return;
}
// 获取请求内容
int port = Singletons.Option.LocalPort;
var _post_query = new StringContent(JToken.FromObject(new { port, local, remote }).ToString(Formatting.None));
var _post = new StringContent(JToken.FromObject(new { port, local, remote = Array.Empty <string> () }).ToString(Formatting.None));
s_task = Task.Run(async() => {
// 生成本地服务描述字符串
var _dt = DateTime.Now;
while (true)
{
// 如果作为服务并且没有注册，那么给与警告
if (Singletons.EnableService && !Singletons.EnableGateway && Singletons.Option.GatewayAddrs.Count == 0)
{
Console.WriteLine("The service is not register to any gateway.");
}
// 连接网关注册中心，更新自己作为服务端角色的其他服务信息
bool _update = false;
foreach (var _addr in Singletons.Option.GatewayAddrs)
{
try {
var _cancel = new CancellationTokenSource(Singletons.Option.Timeout);
using var _client = Singletons._get_client();
var _resp = await _client.PostAsync($"http://{_addr.Item1}:{_addr.Item2}/_simplems_/register", _update ? _post : _post_query, _cancel.Token);
if (!_update)
{
var _response = await _resp.Content.ReadAsStringAsync();
var _dic_outside = JsonConvert.DeserializeObject <Dictionary <string, List <(string, int)> > > (_response);
lock (Singletons.ServiceLock)
Singletons.OutsideAddrs = _dic_outside;
_update = true;
}
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
}
// 更新自己作为网关角色的其他服务信息
if (Singletons.EnableGateway)
{
var _dic_inside = new Dictionary <string, List <(string, int)> > ();
lock (s_items) {
var _remove_date = DateTime.Now - Singletons.Option.Timeout - Singletons.Option.RefreshTime;
while (true)
{
var(_date, _host, _port, _) = s_items.Peek();
if (_date > _remove_date)
{
break;
}
if ((from p in s_items where p.Item2 == _host && p.Item3 == _port select 1).Count() < 2)
{
Console.WriteLine($"Service {_host}:{_port} offline.");
}
s_items.Dequeue();
}
foreach (var _item in s_items)
{
foreach (var _module_name in _item.Item4)
{
if (!_dic_inside.ContainsKey(_module_name))
{
_dic_inside.Add(_module_name, new List <(string, int)> ());
}
if (!_dic_inside [_module_name].Contains((_item.Item2, _item.Item3)))
{
_dic_inside [_module_name].Add((_item.Item2, _item.Item3));
}
}
}
}
lock (Singletons.ServiceLock)
Singletons.InsideAddrs = _dic_inside;
}
// 延时
_dt += Singletons.Option.RefreshTime;
var _now = DateTime.Now;
if (_dt > _now)
{
await Task.Delay(_dt - _now);
}
else
{
_dt = _now;
}
}
});
}
