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refactor(rules): defer error logging until after FlushRelease

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Split error handling into isUnexpectedError predicate and logFlushError
function. Use rm.AppendError() to collect unexpected errors during rule
execution, then log after FlushRelease completes rather than immediately.
Also updates goutils dependency for AppendError method availability.
This commit is contained in:
yusing
2026-02-23 23:09:24 +08:00
parent faecbab2cb
commit 9bb5c54e7c
2 changed files with 26 additions and 10 deletions
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2
goutils

Submodule goutils updated: 482b5bca9f...3be815cb6e

34
internal/route/rules/rules.go
View File

@@ -288,7 +288,7 @@ func (rules Rules) BuildHandler(up http.HandlerFunc) http.HandlerFunc {
rm := httputils.NewResponseModifier(w)
defer func() {
if _, err := rm.FlushRelease(); err != nil {
logError(err, r)
logFlushError(err, r)
}
}()
@@ -323,7 +323,10 @@ func (rules Rules) BuildHandler(up http.HandlerFunc) http.HandlerFunc {
preTerminated = true
continue
}
logError(err, r)
if isUnexpectedError(err) {
// will logged by logFlushError after FlushRelease
rm.AppendError("executing pre rule (%s): %w", rule.Do.raw, err)
}
hasError = true
}
}
@@ -346,7 +349,10 @@ func (rules Rules) BuildHandler(up http.HandlerFunc) http.HandlerFunc {
if errors.Is(err, errTerminateRule) {
continue
}
logError(err, r)
if isUnexpectedError(err) {
// will logged by logFlushError after FlushRelease
rm.AppendError("executing post rule (%s): %w", rule.Do.raw, err)
}
}
}
@@ -361,13 +367,19 @@ func (rules Rules) BuildHandler(up http.HandlerFunc) http.HandlerFunc {
if errors.Is(err, errTerminateRule) {
continue
}
logError(err, r)
if isUnexpectedError(err) {
// will logged by logFlushError after FlushRelease
rm.AppendError("executing pre rule (%s): %w", rule.Do.raw, err)
}
}
if err := execPostCommand(rule.Do, rm, r); err != nil {
if errors.Is(err, errTerminateRule) {
continue
}
logError(err, r)
if isUnexpectedError(err) {
// will logged by logFlushError after FlushRelease
rm.AppendError("executing post rule (%s): %w", rule.Do.raw, err)
}
}
}
}
@@ -390,14 +402,14 @@ var errStreamClosed error
//go:linkname errClientDisconnected golang.org/x/net/http2.errClientDisconnected
var errClientDisconnected error
func logError(err error, r *http.Request) {
func isUnexpectedError(err error) bool {
if errors.Is(err, errStreamClosed) || errors.Is(err, errClientDisconnected) {
return
return false
}
if h2Err, ok := errors.AsType[http2.StreamError](err); ok {
// ignore these errors
if h2Err.Code == http2.ErrCodeStreamClosed {
return
return false
}
}
if h3Err, ok := errors.AsType[*http3.Error](err); ok {
@@ -406,8 +418,12 @@ func logError(err error, r *http.Request) {
case
http3.ErrCodeNoError,
http3.ErrCodeRequestCanceled:
return
return false
}
}
return true
}
func logFlushError(err error, r *http.Request) {
log.Err(err).Str("method", r.Method).Str("url", r.Host+r.URL.Path).Msg("error executing rules")
}