Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include "envoy/http/http_server_properties_cache.h"
       4             : 
       5             : #include "source/common/http/conn_pool_base.h"
       6             : 
       7             : namespace Envoy {
       8             : namespace Http {
       9             : 
      10             : // An HTTP connection pool which supports both HTTP/1 and HTTP/2 based on ALPN
      11             : class HttpConnPoolImplMixed : public HttpConnPoolImplBase {
      12             : public:
      13             :   HttpConnPoolImplMixed(
      14             :       Event::Dispatcher& dispatcher, Random::RandomGenerator& random_generator,
      15             :       Upstream::HostConstSharedPtr host, Upstream::ResourcePriority priority,
      16             :       const Network::ConnectionSocket::OptionsSharedPtr& options,
      17             :       const Network::TransportSocketOptionsConstSharedPtr& transport_socket_options,
      18             :       Upstream::ClusterConnectivityState& state,
      19             :       absl::optional<HttpServerPropertiesCache::Origin> origin,
      20             :       Http::HttpServerPropertiesCacheSharedPtr http_server_properties_cache)
      21             :       : HttpConnPoolImplBase(std::move(host), std::move(priority), dispatcher, options,
      22             :                              transport_socket_options, random_generator, state,
      23             :                              {Protocol::Http2, Protocol::Http11}),
      24           0 :         http_server_properties_cache_(http_server_properties_cache), origin_(origin) {}
      25             : 
      26             :   Envoy::ConnectionPool::ActiveClientPtr instantiateActiveClient() override;
      27             :   CodecClientPtr createCodecClient(Upstream::Host::CreateConnectionData& data) override;
      28             : 
      29             :   void onConnected(Envoy::ConnectionPool::ActiveClient& client) override;
      30           0 :   Http::Protocol protocol() { return protocol_; }
      31             : 
      32           0 :   absl::string_view protocolDescription() const override { return "HTTP/1 HTTP/2 ALPN"; }
      33             : 
      34             : private:
      35             :   // Default to HTTP/1, as servers which don't support ALPN are probably HTTP/1 only.
      36             :   Http::Protocol protocol_ = Protocol::Http11;
      37             :   Http::HttpServerPropertiesCacheSharedPtr http_server_properties_cache_;
      38             :   absl::optional<HttpServerPropertiesCache::Origin> origin_;
      39             : };
      40             : 
      41             : } // namespace Http
      42             : } // namespace Envoy