http2: use shared memory tracking implementation

The extensive testing done on http2 makes it easier to make sure
the implementation is correct (and doesn’t diverge unnecessarily).

Refs: https://github.com/nodejs/quic/pull/126
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

PR-URL: https://github.com/nodejs/node/pull/30745
Refs: https://github.com/nodejs/quic/blob/34ee0bc96f804c73cb22b2945a1a78f780938492/src/node_mem.h
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

1 files changed, 9 insertions, 2 deletions

diff --git a/src/node_http2.h b/src/node_http2.h
index e828999f2b..1812cba51f 100644
--- a/src/node_http2.h
+++ b/src/node_http2.h
@@ -8,6 +8,7 @@
 #include "nghttp2/nghttp2.h"
 
 #include "node_http2_state.h"
+#include "node_mem.h"
 #include "node_perf.h"
 #include "stream_base-inl.h"
 #include "string_bytes.h"
@@ -703,7 +704,9 @@ enum SessionBitfieldFlags {
   kSessionHasAltsvcListeners
 };
 
-class Http2Session : public AsyncWrap, public StreamListener {
+class Http2Session : public AsyncWrap,
+                     public StreamListener,
+                     public mem::NgLibMemoryManager<Http2Session, nghttp2_mem> {
  public:
   Http2Session(Environment* env,
                Local<Object> wrap,
@@ -712,7 +715,6 @@ class Http2Session : public AsyncWrap, public StreamListener {
 
   class Http2Ping;
   class Http2Settings;
-  class MemoryAllocatorInfo;
 
   void EmitStatistics();
 
@@ -813,6 +815,11 @@ class Http2Session : public AsyncWrap, public StreamListener {
   void OnStreamRead(ssize_t nread, const uv_buf_t& buf) override;
   void OnStreamAfterWrite(WriteWrap* w, int status) override;
 
+  // Implementation for mem::NgLibMemoryManager
+  void CheckAllocatedSize(size_t previous_size) const;
+  void IncreaseAllocatedSize(size_t size);
+  void DecreaseAllocatedSize(size_t size);
+
   // The JavaScript API
   static void New(const FunctionCallbackInfo<Value>& args);
   static void Consume(const FunctionCallbackInfo<Value>& args);