/// <summary>
/// 解析配置
/// </summary>
/// <param name="configPath"></param>
private static Service.ServiceElement ResolveServiceConfiguration(Action <GrpcOptions> grpcConfigAction = null)
{
var grpcOptions = new GrpcOptions();
grpcConfigAction?.Invoke(grpcOptions);
var sectionName = Constants.GrpcServerSectionName;
var grpcSection = ConfigHelper.Get <GrpcServerSection>(sectionName, grpcOptions?.ConfigPath);
if (grpcSection == null)
{
throw new ArgumentNullException(sectionName);
}
var service = grpcSection.Service;
if (service == null)
{
throw new ArgumentNullException($"service");
}
if (string.IsNullOrEmpty(service.Name))
{
throw new ArgumentNullException("serviceName");
}
if (service.Port <= 0)
{
throw new ArgumentNullException("servicePort");
}
return(grpcSection.Service);
}
/// <summary>
/// 解析配置
/// </summary>
/// <param name="configPath"></param>
private static Service.ServiceElement ResolveServiceConfiguration(GrpcOptions grpcOptions = null)
{
var sectionName = Constants.GrpcServerSectionName;
var grpcSection = ConfigBuilder.Build <GrpcServerSection>(sectionName, grpcOptions?.ConfigPath);
if (grpcSection == null)
{
throw new ArgumentNullException(sectionName);
}
var service = grpcSection.Service;
if (service == null)
{
throw new ArgumentNullException($"service");
}
if (string.IsNullOrEmpty(service.Name))
{
throw new ArgumentNullException("serviceName");
}
if (service.Port <= 0)
{
throw new ArgumentNullException("servicePort");
}
return(grpcSection.Service);
}
/// <summary>
/// Grpc服务启动，注册多个服务实现
/// </summary>
/// <param name="services">grpc service definition</param>
/// <param name="whenException">==null => throw</param>
public static void Start(
IEnumerable <ServerServiceDefinition> services,
Action <GrpcOptions> grpcOptionBuilder = null,
Action <Exception> whenException = null)
{
try
{
var grpcOptions = new GrpcOptions();
grpcOptionBuilder?.Invoke(grpcOptions);
#region 启动服务
var serviceElement = ResolveServiceConfiguration(grpcOptions);
if (grpcOptions?.Tracer != null)
{
grpcOptions.Tracer.ServiceName = serviceElement.Name;
grpcOptions.Interceptors.Add(new ServerTracerInterceptor(grpcOptions.Tracer));
}
server = new Server(grpcOptions.ChannelOptions)
{
Ports = { new ServerPort("0.0.0.0", serviceElement.Port, ServerCredentials.Insecure) }
};
foreach (var service in services)
{
if (grpcOptions.Interceptors?.Count > 0)
{
server.Services.Add(service.Intercept(grpcOptions.Interceptors.ToArray()));
}
else
{
server.Services.Add(service);
}
}
server.Start();
#endregion
#region 注册服务
var address = ResolveConsulConfiguration(serviceElement);
if (string.IsNullOrEmpty(address))
{
return;
}
serverRegister = new ServerRegister(address, grpcOptions.GenServiceId);
serverRegister.Register(serviceElement, entry => discoveryEntry = entry);
#endregion
}
catch (Exception ex)
{
Stop();
InvokeException(ex, whenException);
}
}
