/// <summary>
/// 解析配置文件
/// </summary>
/// <param name="configFile"></param>
/// <returns></returns>
private static Exitus ResolveConfiguration(GrpcClientOptions options)
{
var service = ResolveServiceConfiguration(options.ConfigPath);
if (string.IsNullOrWhiteSpace(options.ServiceName))
{
options.ServiceName = service.Name;
}
if (string.IsNullOrWhiteSpace(options.Scheme))
{
options.Scheme = service.Scheme;
}
options.GrpcChannelOptions ??= Constants.DefaultChannelOptions;
IEndpointStrategy endpointStrategy;
if (EnableConsul(service.Discovery, out string address))
{
endpointStrategy = ResolveStickyConfiguration(address, options);
}
else
{
endpointStrategy = ResolveEndpointConfiguration(service, options);
}
return(new Exitus(options.ServiceName, endpointStrategy));
}
/// <summary>
/// 解析Consul配置
/// </summary>
/// <param name="address"></param>
/// <param name="options"></param>
/// <returns></returns>
private static IEndpointStrategy ResolveStickyConfiguration(string address, GrpcClientOptions options)
{
var stickyEndpointDiscovery = new StickyEndpointDiscovery(options, address);
EndpointStrategy.Instance.AddServiceDiscovery(stickyEndpointDiscovery);
return(EndpointStrategy.Instance);
}
public IPEndpointDiscovery(GrpcClientOptions options, List <Tuple <string, int> > ipEndPoints)
{
if ((ipEndPoints?.Count ?? 0) <= 0)
{
throw new ArgumentNullException("no ip endpoints availble");
}
_ipEndPoints = ipEndPoints;
Options = options;
}
public StickyEndpointDiscovery(GrpcClientOptions options, string address, bool startWatch = true)
{
if (string.IsNullOrWhiteSpace(address))
{
throw new ArgumentNullException("consul address");
}
_client = new ConsulClient((cfg) =>
{
var uriBuilder = new UriBuilder(address);
cfg.Address = uriBuilder.Uri;
});
Options = options;
if (startWatch)
{
StartWatchService();
}
}
/// <summary>
/// 获取EndpointStrategy
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="options"></param>
/// <returns></returns>
public static Exitus Get <T>(GrpcClientOptions options) where T : ClientBase
{
if (_exitusMap.TryGetValue(typeof(T), out Exitus exitus) &&
exitus?.EndpointStrategy != null)
{
return(exitus);
}
lock (_lockHelper)
{
if (_exitusMap.TryGetValue(typeof(T), out exitus) &&
exitus?.EndpointStrategy != null)
{
return(exitus);
}
exitus = ResolveConfiguration(options);
_exitusMap.AddOrUpdate(typeof(T), exitus, (k, v) => exitus);
return(exitus);
}
}
public GrpcClientFactory(IOptions <GrpcClientOptions <T> > options = null)
{
_options = options?.Value ?? new GrpcClientOptions <T>();
_options.ConfigPath = GetConfigPath(_options.ConfigPath);
}
/// <summary>
/// 解析Endpoint配置
/// </summary>
/// <param name="service"></param>
/// <param name="options"></param>
/// <returns></returns>
private static IEndpointStrategy ResolveEndpointConfiguration(GrpcServiceElement service, GrpcClientOptions options)
{
var ipEndPoints = service.Discovery.EndPoints.Select(oo => Tuple.Create(oo.Host, oo.Port)).ToList();
var iPEndpointDiscovery = new IPEndpointDiscovery(options, ipEndPoints);
EndpointStrategy.Instance.AddServiceDiscovery(iPEndpointDiscovery);
return(EndpointStrategy.Instance);
}