124 lines
3.1 KiB
Go
124 lines
3.1 KiB
Go
/*
|
|
* Copyright 2020 The Dragonfly Authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package client
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"d7y.io/dragonfly/v2/pkg/rpc/manager"
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/grpc/backoff"
|
|
)
|
|
|
|
const (
|
|
contextTimeout = 2 * time.Minute
|
|
backoffBaseDelay = 1 * time.Second
|
|
backoffMultiplier = 1.6
|
|
backoffJitter = 0.2
|
|
backoffMaxDelay = 10 * time.Second
|
|
)
|
|
|
|
type Client interface {
|
|
Close() error
|
|
GetScheduler(*manager.GetSchedulerRequest) (*manager.Scheduler, error)
|
|
UpdateScheduler(*manager.UpdateSchedulerRequest) (*manager.Scheduler, error)
|
|
UpdateCDN(*manager.UpdateCDNRequest) (*manager.CDN, error)
|
|
KeepAlive(time.Duration, *manager.KeepAliveRequest)
|
|
}
|
|
|
|
type client struct {
|
|
manager.ManagerClient
|
|
conn *grpc.ClientConn
|
|
}
|
|
|
|
func New(target string) (Client, error) {
|
|
conn, err := grpc.Dial(
|
|
target,
|
|
grpc.WithInsecure(),
|
|
grpc.WithBlock(),
|
|
grpc.WithConnectParams(grpc.ConnectParams{
|
|
Backoff: backoff.Config{
|
|
BaseDelay: backoffBaseDelay,
|
|
Multiplier: backoffMultiplier,
|
|
Jitter: backoffJitter,
|
|
MaxDelay: backoffMaxDelay,
|
|
},
|
|
}),
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &client{
|
|
ManagerClient: manager.NewManagerClient(conn),
|
|
conn: conn,
|
|
}, nil
|
|
}
|
|
|
|
func (c *client) GetScheduler(scheduler *manager.GetSchedulerRequest) (*manager.Scheduler, error) {
|
|
ctx, cancel := context.WithTimeout(context.Background(), contextTimeout)
|
|
defer cancel()
|
|
|
|
return c.ManagerClient.GetScheduler(ctx, scheduler)
|
|
}
|
|
|
|
func (c *client) UpdateScheduler(scheduler *manager.UpdateSchedulerRequest) (*manager.Scheduler, error) {
|
|
ctx, cancel := context.WithTimeout(context.Background(), contextTimeout)
|
|
defer cancel()
|
|
|
|
return c.ManagerClient.UpdateScheduler(ctx, scheduler)
|
|
}
|
|
|
|
func (c *client) UpdateCDN(cdn *manager.UpdateCDNRequest) (*manager.CDN, error) {
|
|
ctx, cancel := context.WithTimeout(context.Background(), contextTimeout)
|
|
defer cancel()
|
|
|
|
return c.ManagerClient.UpdateCDN(ctx, cdn)
|
|
}
|
|
|
|
func (c *client) KeepAlive(interval time.Duration, keepalive *manager.KeepAliveRequest) {
|
|
retry:
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
stream, err := c.ManagerClient.KeepAlive(ctx)
|
|
if err != nil {
|
|
time.Sleep(interval)
|
|
cancel()
|
|
goto retry
|
|
}
|
|
|
|
tick := time.NewTicker(interval)
|
|
for {
|
|
select {
|
|
case <-tick.C:
|
|
if err := stream.Send(&manager.KeepAliveRequest{
|
|
HostName: keepalive.HostName,
|
|
SourceType: keepalive.SourceType,
|
|
ClusterId: keepalive.ClusterId,
|
|
}); err != nil {
|
|
stream.CloseAndRecv()
|
|
cancel()
|
|
goto retry
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (c *client) Close() error {
|
|
return c.conn.Close()
|
|
}
|