http2: fix several timeout related issues

* correctly reset write timers: currently reset timers on
  both session & stream when write starts and when it ends.
* prevent large writes from timing out: when writing a large
  chunk of data in http2, once the data is handed off to C++,
  the JS session & stream lose all track of the write and will
  timeout if the write doesn't complete within the timeout window
  Fix this issue by tracking whether a write request is ongoing and
  also tracking how many chunks have been sent since the most recent
  write started. (Since each write call resets the timer.)

PR-URL: https://github.com/nodejs/node/pull/16525
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/env.h b/src/env.h
index c4156a405f..a5554337cb 100644
--- a/src/env.h
+++ b/src/env.h
@@ -111,6 +111,7 @@ class ModuleWrap;
   V(callback_string, "callback")                                              \
   V(change_string, "change")                                                  \
   V(channel_string, "channel")                                                \
+  V(chunks_sent_since_last_write_string, "chunksSentSinceLastWrite")          \
   V(constants_string, "constants")                                            \
   V(oncertcb_string, "oncertcb")                                              \
   V(onclose_string, "_onclose")                                               \