mirror of
https://github.com/juanfont/headscale.git
synced 2024-11-26 17:03:06 +00:00
98 lines
2.2 KiB
Go
98 lines
2.2 KiB
Go
package headscale
|
|
|
|
import (
|
|
"io"
|
|
"time"
|
|
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/rs/zerolog/log"
|
|
"tailscale.com/tailcfg"
|
|
"tailscale.com/types/wgkey"
|
|
)
|
|
|
|
func (h *Headscale) PollNetMapStream(
|
|
c *gin.Context,
|
|
m Machine,
|
|
req tailcfg.MapRequest,
|
|
mKey wgkey.Key,
|
|
pollData chan []byte,
|
|
update chan []byte,
|
|
cancelKeepAlive chan []byte,
|
|
) {
|
|
|
|
go h.keepAlive(cancelKeepAlive, pollData, mKey, req, m)
|
|
|
|
c.Stream(func(w io.Writer) bool {
|
|
log.Trace().
|
|
Str("handler", "PollNetMapStream").
|
|
Str("machine", m.Name).
|
|
Msg("Waiting for data to stream...")
|
|
select {
|
|
|
|
case data := <-pollData:
|
|
log.Trace().
|
|
Str("handler", "PollNetMapStream").
|
|
Str("machine", m.Name).
|
|
Int("bytes", len(data)).
|
|
Msg("Sending data received via pollData channel")
|
|
_, err := w.Write(data)
|
|
if err != nil {
|
|
log.Error().
|
|
Str("handler", "PollNetMapStream").
|
|
Str("machine", m.Name).
|
|
Err(err).
|
|
Msg("Cannot write data")
|
|
}
|
|
log.Trace().
|
|
Str("handler", "PollNetMapStream").
|
|
Str("machine", m.Name).
|
|
Int("bytes", len(data)).
|
|
Msg("Data from pollData channel written successfully")
|
|
now := time.Now().UTC()
|
|
m.LastSeen = &now
|
|
h.db.Save(&m)
|
|
log.Trace().
|
|
Str("handler", "PollNetMapStream").
|
|
Str("machine", m.Name).
|
|
Int("bytes", len(data)).
|
|
Msg("Machine updated successfully after sending pollData")
|
|
return true
|
|
|
|
case <-update:
|
|
log.Debug().
|
|
Str("handler", "PollNetMapStream").
|
|
Str("machine", m.Name).
|
|
Msg("Received a request for update")
|
|
data, err := h.getMapResponse(mKey, req, m)
|
|
if err != nil {
|
|
log.Error().
|
|
Str("handler", "PollNetMapStream").
|
|
Str("machine", m.Name).
|
|
Err(err).
|
|
Msg("Could not get the map update")
|
|
}
|
|
_, err = w.Write(*data)
|
|
if err != nil {
|
|
log.Error().
|
|
Str("handler", "PollNetMapStream").
|
|
Str("machine", m.Name).
|
|
Err(err).
|
|
Msg("Could not write the map response")
|
|
}
|
|
return true
|
|
|
|
case <-c.Request.Context().Done():
|
|
log.Info().
|
|
Str("handler", "PollNetMapStream").
|
|
Str("machine", m.Name).
|
|
Msg("The client has closed the connection")
|
|
now := time.Now().UTC()
|
|
m.LastSeen = &now
|
|
h.db.Save(&m)
|
|
cancelKeepAlive <- []byte{}
|
|
h.clientsPolling.Delete(m.ID)
|
|
close(update)
|
|
return false
|
|
}
|
|
})
|
|
}
|