public DnsServiceEntry CreateServiceEntry(Type service)
{
DnsServiceEntry result = null;
var routeTemplate = service.GetCustomAttribute <ServiceBundleAttribute>();
var objInstance = _serviceProvider.GetInstances(service);
var behavior = objInstance as DnsBehavior;
var path = RoutePatternParser.Parse(routeTemplate.RouteTemplate, service.Name);
if (path.Length > 0 && path[0] != '/')
{
path = $"/{path}";
}
if (behavior != null)
{
result = new DnsServiceEntry
{
Behavior = behavior,
Type = behavior.GetType(),
Path = path,
}
}
;
return(result);
}
}
/// <summary>
/// 获取服务条目集合。
/// </summary>
/// <returns>服务条目集合。</returns>
public DnsServiceEntry GetEntry()
{
var services = _types.ToArray();
if (_dnsServiceEntry == null)
{
_dnsServiceEntry = new DnsServiceEntry();
foreach (var service in services)
{
var entry = CreateServiceEntry(service);
if (entry != null)
{
_dnsServiceEntry = entry;
break;
}
}
if (_logger.IsEnabled(LogLevel.Debug))
{
_logger.LogDebug($"发现了以下dns服务：{_dnsServiceEntry.Type.FullName}。");
}
}
return(_dnsServiceEntry);
}
private async Task <DnsTransportMessage> LocalExecuteAsync(DnsServiceEntry entry, DnsTransportMessage message)
{
HttpResultMessage <object> resultMessage = new HttpResultMessage <object>();
try
{
var dnsQuestion = message.DnsQuestion;
message.Address = await entry.Behavior.DomainResolve(dnsQuestion.Name);
}
catch (Exception exception)
{
if (_logger.IsEnabled(LogLevel.Error))
{
_logger.LogError(exception, "执行本地逻辑时候发生了错误。");
}
}
return(message);
}
public GrpcEndpoint(DnsServiceEntry srv) : base(srv)
{
}
