Files
http-latency-prober/CHANGELOG.md
Jan Novak 0ecfb9bb1a feat(go): step 2 — per-phase request breakdown via httptrace
Instruments HTTP requests with net/http/httptrace.ClientTrace to capture
timestamps for DNS, TCP connect, TLS handshake, TTFB, and body transfer.
TLS row is omitted automatically for plain http:// URLs. Output is an
aligned text table with a separator before the Total row.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-07-01 00:23:36 +02:00

1.2 KiB

Changelog

All completed features are logged here in reverse-chronological order.


2026-07-01 00:08 — Per-phase breakdown (Go, Step 2)

  • Instrumented requests with net/http/httptrace.ClientTrace
  • DNS lookup, TCP connect, TLS handshake, Server/TTFB, Transfer, Total phases
  • TLS row omitted automatically for plain http:// URLs
  • Aligned text output with separator before Total

2026-07-01 00:08 — Simple total latency (Go, Step 1)

  • probe.Measure performs an HTTP GET and records wall-clock total time
  • main.go prints URL, HTTP status code, and total duration for each URL
  • Exits with code 1 if any URL fails
  • Multiple URLs accepted as positional arguments

2026-07-01 00:08 — Project scaffold (Go, Step 0)

  • Created project structure: go/, python/, docs/plans/, docs/usage/
  • Initialised Go module latprobe (go/go.mod)
  • Minimal go/main.go that prints usage and exits cleanly when no URL is given
  • Stub go/internal/probe/probe.go defining the Result type and Measure signature
  • Foundation files: README.md, CLAUDE.md, CHANGELOG.md
  • Saved initial plan to docs/plans/2026-07-01-00-08-go-latency-tool.md