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108 lines
2 KiB
Go
108 lines
2 KiB
Go
package rpc
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import (
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"context"
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"fmt"
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"strings"
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"time"
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)
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// Identifies the type of line in the logs.
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const (
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LineStdout int = iota
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LineStderr
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LineExitCode
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LineMetadata
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LineProgress
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)
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// Line is a line of console output.
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type Line struct {
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Proc string `json:"proc,omitempty"`
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Time int64 `json:"time,omitempty"`
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Type int `json:"type,omitempty"`
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Pos int `json:"pos,omityempty"`
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Out string `json:"out,omitempty"`
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}
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func (l *Line) String() string {
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switch l.Type {
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case LineExitCode:
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return fmt.Sprintf("[%s] exit code %s", l.Proc, l.Out)
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default:
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return fmt.Sprintf("[%s:L%v:%vs] %s", l.Proc, l.Pos, l.Time, l.Out)
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}
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}
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// LineWriter sends logs to the client.
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type LineWriter struct {
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peer Peer
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id string
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name string
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num int
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now time.Time
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rep *strings.Replacer
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lines []*Line
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}
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// NewLineWriter returns a new line reader.
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func NewLineWriter(peer Peer, id, name string, secret ...string) *LineWriter {
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w := new(LineWriter)
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w.peer = peer
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w.id = id
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w.name = name
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w.num = 0
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w.now = time.Now().UTC()
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var oldnew []string
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for _, old := range secret {
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oldnew = append(oldnew, old)
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oldnew = append(oldnew, "********")
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}
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if len(oldnew) != 0 {
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w.rep = strings.NewReplacer(oldnew...)
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}
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return w
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}
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func (w *LineWriter) Write(p []byte) (n int, err error) {
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out := string(p)
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if w.rep != nil {
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out = w.rep.Replace(out)
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}
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line := &Line{
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Out: out,
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Proc: w.name,
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Pos: w.num,
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Time: int64(time.Since(w.now).Seconds()),
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Type: LineStdout,
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}
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w.peer.Log(context.Background(), w.id, line)
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w.num++
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// for _, part := range bytes.Split(p, []byte{'\n'}) {
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// line := &Line{
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// Out: string(part),
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// Proc: w.name,
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// Pos: w.num,
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// Time: int64(time.Since(w.now).Seconds()),
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// Type: LineStdout,
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// }
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// w.peer.Log(context.Background(), w.id, line)
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// w.num++
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// }
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w.lines = append(w.lines, line)
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return len(p), nil
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}
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// Lines returns the line history
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func (w *LineWriter) Lines() []*Line {
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return w.lines
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}
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// Clear clears the line history
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func (w *LineWriter) Clear() {
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w.lines = w.lines[:0]
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}
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