1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82
|
package operations
import (
"fmt"
"net/http"
"github.com/gorilla/websocket"
"github.com/lxc/incus/v6/internal/server/response"
"github.com/lxc/incus/v6/shared/ws"
)
type operationWebSocket struct {
req *http.Request
op *Operation
}
// OperationWebSocket returns a new websocket operation.
func OperationWebSocket(req *http.Request, op *Operation) response.Response {
return &operationWebSocket{req, op}
}
func (r *operationWebSocket) Render(w http.ResponseWriter) error {
chanErr, err := r.op.Connect(r.req, w)
if err != nil {
return err
}
err = <-chanErr
return err
}
func (r *operationWebSocket) String() string {
_, md, err := r.op.Render()
if err != nil {
return fmt.Sprintf("error: %s", err)
}
return md.ID
}
// Code returns the HTTP code.
func (r *operationWebSocket) Code() int {
return http.StatusOK
}
type forwardedOperationWebSocket struct {
req *http.Request
id string
source *websocket.Conn // Connection to the node were the operation is running
}
// ForwardedOperationWebSocket returns a new forwarted websocket operation.
func ForwardedOperationWebSocket(req *http.Request, id string, source *websocket.Conn) response.Response {
return &forwardedOperationWebSocket{req, id, source}
}
func (r *forwardedOperationWebSocket) Render(w http.ResponseWriter) error {
// Upgrade target connection to websocket.
target, err := ws.Upgrader.Upgrade(w, r.req, nil)
if err != nil {
return err
}
// Start proxying between sockets.
<-ws.Proxy(r.source, target)
// Make sure both sides are closed.
_ = r.source.Close()
_ = target.Close()
return nil
}
func (r *forwardedOperationWebSocket) String() string {
return r.id
}
// Code returns the HTTP code.
func (r *forwardedOperationWebSocket) Code() int {
return http.StatusOK
}
|