dgram: improve get-send-queue-info performance

[IlyasShabi]

Improve dgram getSendQueueSize and getSendQueueCount performance by using V8 fast API.

Local benchmark:

                                                      confidence improvement accuracy (*)   (**)  (***)
dgram/get-send-queue-info.js method='count' n=5000000        ***    127.63 %       ±1.01% ±1.35% ±1.77%
dgram/get-send-queue-info.js method='size' n=5000000         ***    127.77 %       ±2.18% ±2.92% ±3.86%

[nodejs-github-bot]

Review requested:

• @nodejs/net
• @nodejs/performance

[codecov]

Codecov Report

Attention: Patch coverage is 47.82609% with 12 lines in your changes missing coverage. Please review.

Project coverage is 90.05%. Comparing base (09b4c57) to head (0f7af8e).
Report is 24 commits behind head on main.

Files with missing lines	Patch %	Lines
src/udp_wrap.cc	47.82%	12 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #59054      +/-   ##
==========================================
- Coverage   90.07%   90.05%   -0.03%     
==========================================
  Files         641      645       +4     
  Lines      188998   189150     +152     
  Branches    37069    37093      +24     
==========================================
+ Hits       170246   170345      +99     
- Misses      11462    11521      +59     
+ Partials     7290     7284       -6     

Files with missing lines	Coverage Δ
src/udp_wrap.h	100.00% <ø> (ø)
src/udp_wrap.cc	76.86% <47.82%> (-1.43%)	⬇️

... and 48 files with indirect coverage changes

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[RafaelGSS]

I think at some point this will be JIT-eliminated

[IlyasShabi]

I think that getSendQueueSize() will not be JIT eliminated because it still calls into libuv. Im using size and count now to accumulate the results in order to make that explicit

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/67989/

[RafaelGSS]

nevermind, I was looking to HEAD.