async_hooks: add trace events to async_hooks

This will allow trace event to record timing information for all
asynchronous operations that are observed by async_hooks.

PR-URL: https://github.com/nodejs/node/pull/15538
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

1 files changed, 13 insertions, 0 deletions

diff --git a/src/node_http_parser.cc b/src/node_http_parser.cc
index ccb0942609..9974f566a8 100644
--- a/src/node_http_parser.cc
+++ b/src/node_http_parser.cc
@@ -397,6 +397,18 @@ class Parser : public AsyncWrap {
   }
 
 
+  static void Free(const FunctionCallbackInfo<Value>& args) {
+    Environment* env = Environment::GetCurrent(args);
+    Parser* parser;
+    ASSIGN_OR_RETURN_UNWRAP(&parser, args.Holder());
+
+    // Since the Parser destructor isn't going to run the destroy() callbacks
+    // it needs to be triggered manually.
+    parser->EmitTraceEventDestroy();
+    parser->EmitDestroy(env, parser->get_async_id());
+  }
+
+
   void Save() {
     url_.Save();
     status_message_.Save();
@@ -792,6 +804,7 @@ void InitHttpParser(Local<Object> target,
 
   AsyncWrap::AddWrapMethods(env, t);
   env->SetProtoMethod(t, "close", Parser::Close);
+  env->SetProtoMethod(t, "free", Parser::Free);
   env->SetProtoMethod(t, "execute", Parser::Execute);
   env->SetProtoMethod(t, "finish", Parser::Finish);
   env->SetProtoMethod(t, "reinitialize", Parser::Reinitialize);