quic: move Map types into relevant classes

PR-URL: #294
Reviewed-By: Anna Henningsen <[email protected]>

src/quic/node_quic_socket.h

@@ -478,8 +478,8 @@ class QuicSocket : public AsyncWrap,
   QlogMode qlog_ = QlogMode::kDisabled;
   BaseObjectPtr<crypto::SecureContext> server_secure_context_;
   std::string server_alpn_;
-  QuicCIDMap<BaseObjectPtr<QuicSession>> sessions_;
-  QuicCIDMap<QuicCID> dcid_to_scid_;
+  QuicCID::Map<BaseObjectPtr<QuicSession>> sessions_;
+  QuicCID::Map<QuicCID> dcid_to_scid_;
 
   uint8_t token_secret_[kTokenSecretLen];
   uint8_t reset_token_secret_[NGTCP2_STATELESS_RESET_TOKENLEN];
@@ -498,7 +498,7 @@ class QuicSocket : public AsyncWrap,
   // remote address.
   SocketAddressMap<size_t> reset_counts_;
 
-  StatelessResetTokenMap<QuicSession> token_map_;
+  StatelessResetToken::Map<QuicSession> token_map_;
 
   // The validated_addrs_ vector is used as an LRU cache for
   // validated addresses only when the VALIDATE_ADDRESS_LRU

src/quic/node_quic_util.h

@@ -257,6 +257,9 @@ class QuicCID : public MemoryRetainer {
   SET_MEMORY_INFO_NAME(QuicCID)
   SET_SELF_SIZE(QuicCID)
 
+  template <typename T>
+  using Map = std::unordered_map<QuicCID, T, QuicCID::Hash, QuicCID::Compare>;
+
  private:
   ngtcp2_cid cid_{};
   const ngtcp2_cid* ptr_;
@@ -324,23 +327,19 @@ class StatelessResetToken : public MemoryRetainer {
   SET_MEMORY_INFO_NAME(StatelessResetToken)
   SET_SELF_SIZE(StatelessResetToken)
 
+  template <typename T>
+  using Map =
+      std::unordered_map<
+          StatelessResetToken,
+          BaseObjectPtr<T>,
+          StatelessResetToken::Hash,
+          StatelessResetToken::Compare>;
+
  private:
   uint8_t buf_[NGTCP2_STATELESS_RESET_TOKENLEN];
   const uint8_t* token_;
 };
 
-template <typename T>
-using StatelessResetTokenMap =
-    std::unordered_map<
-        StatelessResetToken,
-        BaseObjectPtr<T>,
-        StatelessResetToken::Hash,
-        StatelessResetToken::Compare>;
-
-template <typename T>
-using QuicCIDMap =
-    std::unordered_map<QuicCID, T, QuicCID::Hash, QuicCID::Compare>;
-
 template <typename T>
 inline size_t get_length(const T*, size_t len);