82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
package tracker
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"net/http"
|
|
"net/url"
|
|
"time"
|
|
|
|
"github.com/anacrolix/dht/v2/krpc"
|
|
"github.com/anacrolix/log"
|
|
trHttp "github.com/anacrolix/torrent/tracker/http"
|
|
"github.com/anacrolix/torrent/tracker/shared"
|
|
"github.com/anacrolix/torrent/tracker/udp"
|
|
)
|
|
|
|
const (
|
|
None = shared.None
|
|
Started = shared.Started
|
|
Stopped = shared.Stopped
|
|
Completed = shared.Completed
|
|
)
|
|
|
|
type AnnounceRequest = udp.AnnounceRequest
|
|
|
|
type AnnounceResponse = trHttp.AnnounceResponse
|
|
|
|
type Peer = trHttp.Peer
|
|
|
|
type AnnounceEvent = udp.AnnounceEvent
|
|
|
|
var ErrBadScheme = errors.New("unknown scheme")
|
|
|
|
type Announce struct {
|
|
TrackerUrl string
|
|
Request AnnounceRequest
|
|
HostHeader string
|
|
HTTPProxy func(*http.Request) (*url.URL, error)
|
|
ServerName string
|
|
UserAgent string
|
|
UdpNetwork string
|
|
// If the port is zero, it's assumed to be the same as the Request.Port.
|
|
ClientIp4 krpc.NodeAddr
|
|
// If the port is zero, it's assumed to be the same as the Request.Port.
|
|
ClientIp6 krpc.NodeAddr
|
|
Context context.Context
|
|
Logger log.Logger
|
|
}
|
|
|
|
// The code *is* the documentation.
|
|
const DefaultTrackerAnnounceTimeout = 15 * time.Second
|
|
|
|
func (me Announce) Do() (res AnnounceResponse, err error) {
|
|
cl, err := NewClient(me.TrackerUrl, NewClientOpts{
|
|
Http: trHttp.NewClientOpts{
|
|
Proxy: me.HTTPProxy,
|
|
ServerName: me.ServerName,
|
|
},
|
|
UdpNetwork: me.UdpNetwork,
|
|
Logger: me.Logger.WithContextValue(fmt.Sprintf("tracker client for %q", me.TrackerUrl)),
|
|
})
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer cl.Close()
|
|
if me.Context == nil {
|
|
// This is just to maintain the old behaviour that should be a timeout of 15s. Users can
|
|
// override it by providing their own Context. See comments elsewhere about longer timeouts
|
|
// acting as rate limiting overloaded trackers.
|
|
ctx, cancel := context.WithTimeout(context.Background(), DefaultTrackerAnnounceTimeout)
|
|
defer cancel()
|
|
me.Context = ctx
|
|
}
|
|
return cl.Announce(me.Context, me.Request, trHttp.AnnounceOpt{
|
|
UserAgent: me.UserAgent,
|
|
HostHeader: me.HostHeader,
|
|
ClientIp4: me.ClientIp4.IP,
|
|
ClientIp6: me.ClientIp6.IP,
|
|
})
|
|
}
|