woodpecker/engine/runner/pipe.go
2016-04-16 00:51:05 -07:00

49 lines
1 KiB
Go

package runner
import "fmt"
// Pipe returns a buffered pipe that is connected to the console output.
type Pipe struct {
lines chan *Line
eof chan bool
}
// Next returns the next Line of console output.
func (p *Pipe) Next() *Line {
select {
case line := <-p.lines:
return line
case <-p.eof:
return nil
}
}
// Close closes the pipe of console output.
func (p *Pipe) Close() {
go func() {
p.eof <- true
}()
}
func newPipe(buffer int) *Pipe {
return &Pipe{
lines: make(chan *Line, buffer),
eof: make(chan bool),
}
}
// Line is a line of console output.
type Line struct {
Proc string `json:"proc,omitempty"`
Time int64 `json:"time,omitempty"`
Type int `json:"type,omitempty"`
Pos int `json:"pos,omityempty"`
Out string `json:"out,omitempty"`
}
func (l *Line) String() string {
return fmt.Sprintf("[%s:L%v:%vs] %s", l.Proc, l.Pos, l.Time, l.Out)
}
// TODO(bradrydzewski) consider an alternate buffer impelmentation based on the
// x.crypto ssh buffer https://github.com/golang/crypto/blob/master/ssh/buffer.go