private async Task MakeRequestAsync(IAbpMethodInvocation invocation)
{
// 获取Actor配置
var actorProxyConfig = DaprActorProxyOptions.ActorProxies.GetOrDefault(typeof(TService)) ?? throw new AbpException($"Could not get DynamicDaprActorProxyConfig for {typeof(TService).FullName}.");
var remoteServiceConfig = DaprActorOptions.RemoteActors.GetConfigurationOrDefault(actorProxyConfig.RemoteServiceName);
var actorProxyOptions = new ActorProxyOptions
{
HttpEndpoint = remoteServiceConfig.BaseUrl
};
// 自定义请求处理器
// 添加请求头用于传递状态
// TODO: Actor一次只能处理一个请求,使用状态管理来传递状态的可行性?
var httpClientHandler = new DaprHttpClientHandler();
// 身份认证处理
await ActoryProxyAuthenticator.AuthenticateAsync(
new DaprActorProxyAuthenticateContext(
httpClientHandler, remoteServiceConfig, actorProxyConfig.RemoteServiceName));
AddHeaders(httpClientHandler);
// 代理工厂
var proxyFactory = new ActorProxyFactory(actorProxyOptions, (HttpMessageHandler)httpClientHandler);
await MakeRequestAsync(invocation, proxyFactory, remoteServiceConfig);
}
private async Task MakeRequestAsync(IAbpMethodInvocation invocation)
{
// 获取Actor配置
var actorProxyConfig = DaprActorProxyOptions.ActorProxies.GetOrDefault(typeof(TService)) ?? throw new AbpException($"Could not get DynamicDaprActorProxyConfig for {typeof(TService).FullName}.");
var remoteServiceConfig = DaprServiceOptions.RemoteServices.GetConfigurationOrDefault(actorProxyConfig.RemoteServiceName);
// Actors的定义太多, 可以考虑使用默认的 BaseUrl 作为远程地址
if (remoteServiceConfig.BaseUrl.IsNullOrWhiteSpace())
{
throw new AbpException($"Could not get BaseUrl for {actorProxyConfig.RemoteServiceName} Or Default.");
}
var actorProxyOptions = new ActorProxyOptions
{
HttpEndpoint = remoteServiceConfig.BaseUrl
};
// 自定义请求处理器
// 添加请求头用于传递状态
// TODO: Actor一次只能处理一个请求,使用状态管理来传递状态的可行性?
var httpClientHandler = new DaprHttpClientHandler();
AddHeaders(httpClientHandler);
httpClientHandler.PreConfigure(async(requestMessage) =>
{
// 占位
var httpClient = HttpClientFactory.Create(AbpDaprActorsModule.DaprHttpClient);
await ClientAuthenticator.Authenticate(
new RemoteServiceHttpClientAuthenticateContext(
httpClient,
requestMessage,
remoteServiceConfig,
actorProxyConfig.RemoteServiceName));
// 标头
if (requestMessage.Headers.Authorization == null &&
httpClient.DefaultRequestHeaders.Authorization != null)
{
requestMessage.Headers.Authorization = httpClient.DefaultRequestHeaders.Authorization;
}
});
// 代理工厂
var proxyFactory = new ActorProxyFactory(actorProxyOptions, (HttpMessageHandler)httpClientHandler);
await MakeRequestAsync(invocation, proxyFactory);
}
private void AddHeaders(DaprHttpClientHandler handler)
{
//TenantId
if (CurrentTenant.Id.HasValue)
{
//TODO: Use AbpAspNetCoreMultiTenancyOptions to get the key
handler.AddHeader(TenantResolverConsts.DefaultTenantKey, CurrentTenant.Id.Value.ToString());
}
//Culture
//TODO: Is that the way we want? Couldn't send the culture (not ui culture)
var currentCulture = CultureInfo.CurrentUICulture.Name ?? CultureInfo.CurrentCulture.Name;
if (!currentCulture.IsNullOrEmpty())
{
handler.AcceptLanguage(currentCulture);
}
}
