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src: ensure that SetImmediate()s have HandleScopes #19470

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src: ensure that SetImmediate()s have HandleScopes #19470

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157c618
src: simplify http2 perf tracking code
addaleax Mar 20, 2018
5cb01dd
src: ensure that `SetImmediate()`s have `HandleScope`s
addaleax Mar 20, 2018
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src: simplify http2 perf tracking code 
Use `unique_ptr`s and use the resulting simplification to
reduce indentation in these functions.
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@addaleax
addaleax committed Mar 20, 2018
commit 157c618b745625063ea87c4cfcee306f5d169118
95 changes: 48 additions & 47 deletions src/node_http2.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -515,35 +515,35 @@ void Http2Stream::EmitStatistics() {
Http2StreamPerformanceEntry* entry =
new Http2StreamPerformanceEntry(env(), id_, statistics_);
env()->SetImmediate([](Environment* env, void* data) {
Http2StreamPerformanceEntry* entry =
static_cast<Http2StreamPerformanceEntry*>(data);
if (HasHttp2Observer(env)) {
AliasedBuffer<double, v8::Float64Array>& buffer =
env->http2_state()->stream_stats_buffer;
buffer[IDX_STREAM_STATS_ID] = entry->id();
if (entry->first_byte() != 0) {
buffer[IDX_STREAM_STATS_TIMETOFIRSTBYTE] =
(entry->first_byte() - entry->startTimeNano()) / 1e6;
} else {
buffer[IDX_STREAM_STATS_TIMETOFIRSTBYTE] = 0;
}
if (entry->first_header() != 0) {
buffer[IDX_STREAM_STATS_TIMETOFIRSTHEADER] =
(entry->first_header() - entry->startTimeNano()) / 1e6;
} else {
buffer[IDX_STREAM_STATS_TIMETOFIRSTHEADER] = 0;
}
if (entry->first_byte_sent() != 0) {
buffer[IDX_STREAM_STATS_TIMETOFIRSTBYTESENT] =
(entry->first_byte_sent() - entry->startTimeNano()) / 1e6;
} else {
buffer[IDX_STREAM_STATS_TIMETOFIRSTBYTESENT] = 0;
}
buffer[IDX_STREAM_STATS_SENTBYTES] = entry->sent_bytes();
buffer[IDX_STREAM_STATS_RECEIVEDBYTES] = entry->received_bytes();
entry->Notify(entry->ToObject());
// This takes ownership, the entr is destroyed at the end of this scope.
std::unique_ptr<Http2StreamPerformanceEntry> entry {
static_cast<Http2StreamPerformanceEntry*>(data) };
if (!HasHttp2Observer(env))
return;
AliasedBuffer<double, v8::Float64Array>& buffer =
env->http2_state()->stream_stats_buffer;
buffer[IDX_STREAM_STATS_ID] = entry->id();
if (entry->first_byte() != 0) {
buffer[IDX_STREAM_STATS_TIMETOFIRSTBYTE] =
(entry->first_byte() - entry->startTimeNano()) / 1e6;
} else {
buffer[IDX_STREAM_STATS_TIMETOFIRSTBYTE] = 0;
}
delete entry;
if (entry->first_header() != 0) {
buffer[IDX_STREAM_STATS_TIMETOFIRSTHEADER] =
(entry->first_header() - entry->startTimeNano()) / 1e6;
} else {
buffer[IDX_STREAM_STATS_TIMETOFIRSTHEADER] = 0;
}
if (entry->first_byte_sent() != 0) {
buffer[IDX_STREAM_STATS_TIMETOFIRSTBYTESENT] =
(entry->first_byte_sent() - entry->startTimeNano()) / 1e6;
} else {
buffer[IDX_STREAM_STATS_TIMETOFIRSTBYTESENT] = 0;
}
buffer[IDX_STREAM_STATS_SENTBYTES] = entry->sent_bytes();
buffer[IDX_STREAM_STATS_RECEIVEDBYTES] = entry->received_bytes();
entry->Notify(entry->ToObject());
}, static_cast<void*>(entry));
}

Expand All @@ -553,25 +553,25 @@ void Http2Session::EmitStatistics() {
Http2SessionPerformanceEntry* entry =
new Http2SessionPerformanceEntry(env(), statistics_, session_type_);
env()->SetImmediate([](Environment* env, void* data) {
Http2SessionPerformanceEntry* entry =
static_cast<Http2SessionPerformanceEntry*>(data);
if (HasHttp2Observer(env)) {
AliasedBuffer<double, v8::Float64Array>& buffer =
env->http2_state()->session_stats_buffer;
buffer[IDX_SESSION_STATS_TYPE] = entry->type();
buffer[IDX_SESSION_STATS_PINGRTT] = entry->ping_rtt() / 1e6;
buffer[IDX_SESSION_STATS_FRAMESRECEIVED] = entry->frame_count();
buffer[IDX_SESSION_STATS_FRAMESSENT] = entry->frame_sent();
buffer[IDX_SESSION_STATS_STREAMCOUNT] = entry->stream_count();
buffer[IDX_SESSION_STATS_STREAMAVERAGEDURATION] =
entry->stream_average_duration();
buffer[IDX_SESSION_STATS_DATA_SENT] = entry->data_sent();
buffer[IDX_SESSION_STATS_DATA_RECEIVED] = entry->data_received();
buffer[IDX_SESSION_STATS_MAX_CONCURRENT_STREAMS] =
entry->max_concurrent_streams();
entry->Notify(entry->ToObject());
}
delete entry;
// This takes ownership, the entr is destroyed at the end of this scope.
std::unique_ptr<Http2SessionPerformanceEntry> entry {
static_cast<Http2SessionPerformanceEntry*>(data) };
if (!HasHttp2Observer(env))
return;
AliasedBuffer<double, v8::Float64Array>& buffer =
env->http2_state()->session_stats_buffer;
buffer[IDX_SESSION_STATS_TYPE] = entry->type();
buffer[IDX_SESSION_STATS_PINGRTT] = entry->ping_rtt() / 1e6;
buffer[IDX_SESSION_STATS_FRAMESRECEIVED] = entry->frame_count();
buffer[IDX_SESSION_STATS_FRAMESSENT] = entry->frame_sent();
buffer[IDX_SESSION_STATS_STREAMCOUNT] = entry->stream_count();
buffer[IDX_SESSION_STATS_STREAMAVERAGEDURATION] =
entry->stream_average_duration();
buffer[IDX_SESSION_STATS_DATA_SENT] = entry->data_sent();
buffer[IDX_SESSION_STATS_DATA_RECEIVED] = entry->data_received();
buffer[IDX_SESSION_STATS_MAX_CONCURRENT_STREAMS] =
entry->max_concurrent_streams();
entry->Notify(entry->ToObject());
}, static_cast<void*>(entry));
}

Expand Down Expand Up @@ -1379,6 +1379,7 @@ void Http2Session::MaybeScheduleWrite() {

// Sending data may call arbitrary JS code, so keep track of
// async context.
HandleScope handle_scope(env->isolate());
InternalCallbackScope callback_scope(session);
session->SendPendingData();
}, static_cast<void*>(this), object());
Expand Down