Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include "envoy/extensions/transport_sockets/quic/v3/quic_transport.pb.h"
       4             : #include "envoy/network/transport_socket.h"
       5             : #include "envoy/server/transport_socket_config.h"
       6             : #include "envoy/ssl/context_config.h"
       7             : 
       8             : #include "source/common/common/assert.h"
       9             : #include "source/common/network/transport_socket_options_impl.h"
      10             : #include "source/extensions/transport_sockets/tls/ssl_socket.h"
      11             : 
      12             : #include "quiche/quic/core/crypto/quic_crypto_client_config.h"
      13             : 
      14             : namespace Envoy {
      15             : namespace Quic {
      16             : 
      17             : #define QUIC_TRANSPORT_SOCKET_FACTORY_STATS(COUNTER)                                               \
      18           0 :   COUNTER(context_config_update_by_sds)                                                            \
      19           0 :   COUNTER(upstream_context_secrets_not_ready)                                                      \
      20           0 :   COUNTER(downstream_context_secrets_not_ready)
      21             : 
      22             : struct QuicTransportSocketFactoryStats {
      23             :   QUIC_TRANSPORT_SOCKET_FACTORY_STATS(GENERATE_COUNTER_STRUCT)
      24             : };
      25             : 
      26             : namespace {
      27             : 
      28           0 : QuicTransportSocketFactoryStats generateStats(Stats::Scope& store, const std::string& perspective) {
      29           0 :   return {QUIC_TRANSPORT_SOCKET_FACTORY_STATS(
      30           0 :       POOL_COUNTER_PREFIX(store, fmt::format("quic_{}_transport_socket_factory.", perspective)))};
      31           0 : }
      32             : 
      33             : } // namespace
      34             : 
      35             : // Base class for QUIC transport socket factory.
      36             : // Because QUIC stack handles all L4 data, there is no need of a real transport
      37             : // socket for QUIC in current implementation. This factory doesn't provides a
      38             : // transport socket, instead, its derived class provides TLS context config for
      39             : // server and client.
      40             : class QuicTransportSocketFactoryBase : protected Logger::Loggable<Logger::Id::quic> {
      41             : public:
      42             :   QuicTransportSocketFactoryBase(Stats::Scope& store, const std::string& perspective)
      43           0 :       : stats_(generateStats(store, perspective)) {}
      44             : 
      45           0 :   virtual ~QuicTransportSocketFactoryBase() = default;
      46             : 
      47             :   // To be called right after construction.
      48             :   virtual void initialize() PURE;
      49             : 
      50             :   // Returns the ALPN list to negotiate during the handshake.
      51           0 :   const std::vector<absl::string_view>& supportedAlpnProtocols() const { return supported_alpns_; }
      52             : 
      53             : protected:
      54             :   virtual void onSecretUpdated() PURE;
      55             :   QuicTransportSocketFactoryStats stats_;
      56             :   // Populated during initialization.
      57             :   std::vector<absl::string_view> supported_alpns_;
      58             : };
      59             : 
      60             : // Base class to create above QuicTransportSocketFactory for server and client
      61             : // side.
      62             : class QuicTransportSocketConfigFactory
      63             :     : public virtual Server::Configuration::TransportSocketConfigFactory {
      64             : public:
      65             :   // Server::Configuration::TransportSocketConfigFactory
      66         338 :   std::string name() const override { return "envoy.transport_sockets.quic"; }
      67             : };
      68             : 
      69             : } // namespace Quic
      70             : } // namespace Envoy