mirror of
https://github.com/rclone/rclone.git
synced 2024-12-05 07:20:35 +08:00
2e21c58e6a
This is done by making fs.Config private and attaching it to the context instead. The Config should be obtained with fs.GetConfig and fs.AddConfig should be used to get a new mutable config that can be changed.
70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
package seafile
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"net/url"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/rclone/rclone/fs"
|
|
"github.com/rclone/rclone/lib/pacer"
|
|
)
|
|
|
|
const (
|
|
minSleep = 100 * time.Millisecond
|
|
maxSleep = 10 * time.Second
|
|
decayConstant = 2 // bigger for slower decay, exponential
|
|
)
|
|
|
|
// Use only one pacer per server URL
|
|
var (
|
|
pacers map[string]*fs.Pacer
|
|
pacerMutex sync.Mutex
|
|
)
|
|
|
|
func init() {
|
|
pacers = make(map[string]*fs.Pacer, 0)
|
|
}
|
|
|
|
// getPacer returns the unique pacer for that remote URL
|
|
func getPacer(ctx context.Context, remote string) *fs.Pacer {
|
|
pacerMutex.Lock()
|
|
defer pacerMutex.Unlock()
|
|
|
|
remote = parseRemote(remote)
|
|
if existing, found := pacers[remote]; found {
|
|
return existing
|
|
}
|
|
|
|
pacers[remote] = fs.NewPacer(
|
|
ctx,
|
|
pacer.NewDefault(
|
|
pacer.MinSleep(minSleep),
|
|
pacer.MaxSleep(maxSleep),
|
|
pacer.DecayConstant(decayConstant),
|
|
),
|
|
)
|
|
return pacers[remote]
|
|
}
|
|
|
|
// parseRemote formats a remote url into "hostname:port"
|
|
func parseRemote(remote string) string {
|
|
remoteURL, err := url.Parse(remote)
|
|
if err != nil {
|
|
// Return a default value in the very unlikely event we're not going to parse remote
|
|
fs.Infof(nil, "Cannot parse remote %s", remote)
|
|
return "default"
|
|
}
|
|
host := remoteURL.Hostname()
|
|
port := remoteURL.Port()
|
|
if port == "" {
|
|
if remoteURL.Scheme == "https" {
|
|
port = "443"
|
|
} else {
|
|
port = "80"
|
|
}
|
|
}
|
|
return fmt.Sprintf("%s:%s", host, port)
|
|
}
|