72 lines
2.3 KiB
Go
72 lines
2.3 KiB
Go
// Copyright (C) 2022 The OKit Authors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
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// OR OTHER DEALINGS IN THE SOFTWARE.
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package okit
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import (
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"bufio"
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"strings"
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"time"
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"github.com/golang/protobuf/jsonpb"
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"go.pitz.tech/okit/pb"
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)
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// Format defines an abstraction for writing entries to stdout/stderr. This is predominantly used in report log, trace,
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// and event information from the process.
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type Format interface {
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Marshal(writer *bufio.Writer, entry *pb.Entry) error
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}
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// JSONFormat writes entries using JSON encoded protocol buffers.
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type JSONFormat struct {
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// Marshaler
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Marshaler jsonpb.Marshaler
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}
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func (f JSONFormat) Marshal(writer *bufio.Writer, entry *pb.Entry) error {
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f.Marshaler.Marshal(writer, entry)
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return writer.WriteByte('\n')
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}
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// TextFormat writes entries using a custom text format.
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type TextFormat struct{}
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func (f TextFormat) Marshal(writer *bufio.Writer, entry *pb.Entry) error {
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sink.WriteString(entry.Timestamp.AsTime().Format(time.RFC3339))
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sink.WriteByte('\t')
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sink.WriteString(strings.ToUpper(entry.Kind.String()))
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sink.WriteByte('\t')
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sink.WriteString(entry.Scope)
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sink.WriteByte('\t')
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for _, tag := range entry.Tags {
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qs := tag.AsQueryString()
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if qs == "" {
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continue
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}
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sink.WriteString(qs)
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sink.WriteByte('&')
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}
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return sink.WriteByte('\n')
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}
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