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stream_base: dispatch reqs in the stream impl
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Dispatch requests in the implementation of the stream, not in the code
creating these requests. The requests might be piled up and invoked
internally in the implementation, so it should know better when it is
the time to dispatch them.

In fact, TLS was doing exactly this thing which led us to...

Fix: nodejs#1512
PR-URL: nodejs#1563
Reviewed-By: Shigeki Ohtsu <ohtsu@iij.ad.jp>
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indutny committed May 1, 2015
1 parent 78f4b03 commit 30b7349
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Showing 4 changed files with 8 additions and 6 deletions.
2 changes: 2 additions & 0 deletions src/js_stream.cc
Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,7 @@ int JSStream::DoShutdown(ShutdownWrap* req_wrap) {
req_wrap->object()
};

req_wrap->Dispatched();
Local<Value> res =
MakeCallback(env()->onshutdown_string(), ARRAY_SIZE(argv), argv);

Expand All @@ -95,6 +96,7 @@ int JSStream::DoWrite(WriteWrap* w,
bufs_arr
};

w->Dispatched();
Local<Value> res =
MakeCallback(env()->onwrite_string(), ARRAY_SIZE(argv), argv);

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4 changes: 0 additions & 4 deletions src/stream_base.cc
Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,6 @@ int StreamBase::Shutdown(const FunctionCallbackInfo<Value>& args) {
AfterShutdown);

int err = DoShutdown(req_wrap);
req_wrap->Dispatched();
if (err)
delete req_wrap;
return err;
Expand Down Expand Up @@ -181,7 +180,6 @@ int StreamBase::Writev(const FunctionCallbackInfo<Value>& args) {
if (bufs != bufs_)
delete[] bufs;

req_wrap->Dispatched();
req_wrap->object()->Set(env->async(), True(env->isolate()));
req_wrap->object()->Set(env->bytes_string(),
Number::New(env->isolate(), bytes));
Expand Down Expand Up @@ -228,7 +226,6 @@ int StreamBase::WriteBuffer(const FunctionCallbackInfo<Value>& args) {
req_wrap = WriteWrap::New(env, req_wrap_obj, this, AfterWrite);

err = DoWrite(req_wrap, bufs, count, nullptr);
req_wrap->Dispatched();
req_wrap_obj->Set(env->async(), True(env->isolate()));

if (err)
Expand Down Expand Up @@ -347,7 +344,6 @@ int StreamBase::WriteString(const FunctionCallbackInfo<Value>& args) {
reinterpret_cast<uv_stream_t*>(send_handle));
}

req_wrap->Dispatched();
req_wrap->object()->Set(env->async(), True(env->isolate()));

if (err)
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6 changes: 5 additions & 1 deletion src/stream_wrap.cc
Original file line number Diff line number Diff line change
Expand Up @@ -279,7 +279,10 @@ void StreamWrap::SetBlocking(const FunctionCallbackInfo<Value>& args) {


int StreamWrap::DoShutdown(ShutdownWrap* req_wrap) {
return uv_shutdown(&req_wrap->req_, stream(), AfterShutdown);
int err;
err = uv_shutdown(&req_wrap->req_, stream(), AfterShutdown);
req_wrap->Dispatched();
return err;
}


Expand Down Expand Up @@ -353,6 +356,7 @@ int StreamWrap::DoWrite(WriteWrap* w,
}
}

w->Dispatched();
UpdateWriteQueueSize();

return r;
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2 changes: 1 addition & 1 deletion src/tls_wrap.cc
Original file line number Diff line number Diff line change
Expand Up @@ -309,7 +309,6 @@ void TLSWrap::EncOut() {
for (size_t i = 0; i < count; i++)
buf[i] = uv_buf_init(data[i], size[i]);
int err = stream_->DoWrite(write_req, buf, count, nullptr);
write_req->Dispatched();

// Ignore errors, this should be already handled in js
if (err) {
Expand Down Expand Up @@ -565,6 +564,7 @@ int TLSWrap::DoWrite(WriteWrap* w,

// Queue callback to execute it on next tick
write_item_queue_.PushBack(new WriteItem(w));
w->Dispatched();

// Write queued data
if (empty) {
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