forked from cloudfoundry/garden
/
process_stream.go
66 lines (53 loc) · 1.15 KB
/
process_stream.go
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package connection
import (
"net"
"sync"
"github.com/cloudfoundry-incubator/garden"
"github.com/cloudfoundry-incubator/garden/transport"
)
type processStream struct {
id uint32
conn net.Conn
sync.Mutex
}
func (s *processStream) WriteStdin(data []byte) error {
d := string(data)
stdin := transport.Stdin
return s.sendPayload(transport.ProcessPayload{
ProcessID: s.id,
Source: &stdin,
Data: &d,
})
}
func (s *processStream) CloseStdin() error {
stdin := transport.Stdin
return s.sendPayload(transport.ProcessPayload{
ProcessID: s.id,
Source: &stdin,
})
}
func (s *processStream) SetTTY(spec garden.TTYSpec) error {
return s.sendPayload(&transport.ProcessPayload{
ProcessID: s.id,
TTY: &spec,
})
}
func (s *processStream) Signal(signal garden.Signal) error {
return s.sendPayload(&transport.ProcessPayload{
ProcessID: s.id,
Signal: &signal,
})
}
func (s *processStream) Close() error {
return s.conn.Close()
}
func (s *processStream) sendPayload(payload interface{}) error {
s.Lock()
err := transport.WriteMessage(s.conn, payload)
if err != nil {
s.Unlock()
return err
}
s.Unlock()
return nil
}