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81 lines
2 KiB
Go
81 lines
2 KiB
Go
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package logging
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import (
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"context"
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"errors"
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"io"
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)
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// ErrNotFound is returned when the log does not exist.
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var ErrNotFound = errors.New("stream: not found")
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// Entry defines a log entry.
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type Entry struct {
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// ID identifies this message.
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ID string `json:"id,omitempty"`
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// Data is the actual data in the entry.
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Data []byte `json:"data"`
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// Tags represents the key-value pairs the
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// entry is tagged with.
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Tags map[string]string `json:"tags,omitempty"`
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}
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// Handler defines a callback function for handling log entries.
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type Handler func(...*Entry)
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// Log defines a log multiplexer.
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type Log interface {
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// Open opens the log.
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Open(c context.Context, path string) error
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// Write writes the entry to the log.
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Write(c context.Context, path string, entry *Entry) error
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// Tail tails the log.
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Tail(c context.Context, path string, handler Handler) error
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// Close closes the log.
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Close(c context.Context, path string) error
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// Snapshot snapshots the stream to Writer w.
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Snapshot(c context.Context, path string, w io.Writer) error
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// Info returns runtime information about the multiplexer.
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// Info(c context.Context) (interface{}, error)
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}
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// // global streamer
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// var global = New()
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//
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// // Set sets a default global logger.
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// func Set(log Log) {
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// global = log
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// }
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//
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// // Open opens the log stream.
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// func Open(c context.Context, path string) error {
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// return global.Open(c, path)
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// }
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//
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// // Write writes the log entry to the stream.
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// func Write(c context.Context, path string, entry *Entry) error {
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// return global.Write(c, path, entry)
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// }
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//
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// // Tail tails the log stream.
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// func Tail(c context.Context, path string, handler Handler) error {
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// return global.Tail(c, path, handler)
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// }
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//
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// // Close closes the log stream.
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// func Close(c context.Context, path string) error {
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// return global.Close(c, path)
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// }
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//
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// // Snapshot snapshots the stream to Writer w.
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// func Snapshot(c context.Context, path string, w io.Writer) error {
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// return global.Snapshot(c, path, w)
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// }
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