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50 lines
1 KiB
Go
50 lines
1 KiB
Go
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package runner
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import "fmt"
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// Pipe returns a buffered pipe that is connected to the console output.
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type Pipe struct {
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lines chan *Line
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eof chan bool
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}
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// Next returns the next Line of console output.
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func (p *Pipe) Next() *Line {
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select {
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case line := <-p.lines:
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return line
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case <-p.eof:
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return nil
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}
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}
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// Close closes the pipe of console output.
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func (p *Pipe) Close() {
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go func() {
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p.eof <- true
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}()
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}
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func newPipe(buffer int) *Pipe {
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return &Pipe{
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lines: make(chan *Line, buffer),
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eof: make(chan bool),
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}
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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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return fmt.Sprintf("[%s:L%v:%vs] %s", l.Proc, l.Pos, l.Time, l.Out)
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}
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// TODO(bradrydzewski) consider an alternate buffer impelmentation based on the
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// x.crypto ssh buffer https://github.com/golang/crypto/blob/master/ssh/buffer.go
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