refactor(forwarder): split sniffer monolith into focused files, extract testable helpers

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Split ~1250-line sniffer.go into sniffer_http.go (HTTP handling, dial, round-trip),
sniffer_tls.go (TLS MITM, termination), sniffer_h2.go (HTTP/2), sniffer_ws.go
(WebSocket frame copy/record), and sniffer_rewrite.go (upgrade, body rewrite).

Extract clampBodySize, normalizeHost, effectiveReadTimeout as package-level
functions to simplify testing. Add 22 tests covering pure functions, option
setters, HTTP proxy integration, WebSocket frame copy, and edge cases.

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ginuerzh

2026-05-26 22:48:27 +08:00

parent 92564a0c8c

commit aba7e2a256

7 changed files with 1930 additions and 1116 deletions

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internal/util/forwarder/sniffer.go

+54 -1116

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