35 lines
787 B
Go
35 lines
787 B
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package jsonrpc2
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"log"
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)
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// Log is an implementation of Logger that outputs using log.Print
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// It is not used by default, but is provided for easy logging in users code.
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func Log(mode string, id *ID, method string, payload *json.RawMessage, err *Error) {
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buf := &bytes.Buffer{}
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fmt.Fprint(buf, mode)
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if id == nil {
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fmt.Fprintf(buf, " []")
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} else {
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fmt.Fprintf(buf, " [%v]", id)
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}
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if method != "" {
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fmt.Fprintf(buf, " %s", method)
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}
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if payload != nil {
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fmt.Fprintf(buf, " %s", *payload)
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}
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if err != nil {
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fmt.Fprintf(buf, " failed: %s", err)
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}
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log.Print(buf)
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}
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