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Merge pull request #2931 from MichaelEischer/reduce-debug-overhead
Reduce debug log overhead
This commit is contained in:
commit
35655a481b
2 changed files with 20 additions and 4 deletions
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@ -17,6 +17,7 @@ import (
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)
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var opts struct {
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isEnabled bool
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logger *log.Logger
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funcs map[string]bool
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files map[string]bool
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@ -30,6 +31,12 @@ func initDebug() bool {
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initDebugLogger()
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initDebugTags()
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if opts.logger == nil && len(opts.funcs) == 0 && len(opts.files) == 0 {
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opts.isEnabled = false
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return false
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}
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opts.isEnabled = true
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fmt.Fprintf(os.Stderr, "debug enabled\n")
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return true
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@ -173,6 +180,10 @@ func checkFilter(filter map[string]bool, key string) bool {
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// Log prints a message to the debug log (if debug is enabled).
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func Log(f string, args ...interface{}) {
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if !opts.isEnabled {
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return
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}
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fn, dir, file, line := getPosition()
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goroutine := goroutineNum()
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@ -66,7 +66,12 @@ type loggingRoundTripper struct {
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// RoundTripper returns a new http.RoundTripper which logs all requests (if
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// debug is enabled). When debug is not enabled, upstream is returned.
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func RoundTripper(upstream http.RoundTripper) http.RoundTripper {
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return loggingRoundTripper{eofDetectRoundTripper{upstream}}
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eofRoundTripper := eofDetectRoundTripper{upstream}
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if opts.isEnabled {
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// only use loggingRoundTripper if the debug log is configured
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return loggingRoundTripper{eofRoundTripper}
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}
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return eofRoundTripper
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}
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func (tr loggingRoundTripper) RoundTrip(req *http.Request) (res *http.Response, err error) {
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