s-christoffandJim
6b78108ecf
* add new error funcs which take a ctx and deprecate existing funcs * use context where available when writing error events * remove circular internal/errors pkg dep * suppress some chatty errors using errors.WithoutEvent() * convert auth oidc funcs to take context where needed to write events Co-authored-by: Jim <jlambert@hashicorp.com>
39 lines
786 B
Go
39 lines
786 B
Go
package event
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import (
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"bytes"
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"fmt"
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"io"
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"sync"
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)
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// serializedWriter uses a mutext to serializes all writes to its io.Writer
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type serializedWriter struct {
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l *sync.Mutex
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w io.Writer
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}
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// Write uses a mutex to serialize all writes
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func (s *serializedWriter) Write(p []byte) (int, error) {
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const op = "event.(serializedWriter).Write"
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if s == nil {
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return 0, fmt.Errorf("%s: missing serialized writer: %w", op, ErrInvalidParameter)
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}
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if s.l == nil {
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return 0, fmt.Errorf("%s: missing lock: %w", op, ErrInvalidParameter)
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}
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if s.w == nil {
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return 0, fmt.Errorf("%s: missing writer: %w", op, ErrInvalidParameter)
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}
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s.l.Lock()
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defer s.l.Unlock()
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reader := bytes.NewReader(p)
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n, err := reader.WriteTo(s.w)
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if err != nil {
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return 0, err
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}
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return int(n), err
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}
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