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cloudreve/pkg/aria2/aria2.go

68 lines
1.8 KiB

package aria2
import (
"context"
"fmt"
"github.com/cloudreve/Cloudreve/v3/pkg/cluster"
"github.com/cloudreve/Cloudreve/v3/pkg/mq"
"net/url"
"sync"
"time"
model "github.com/cloudreve/Cloudreve/v3/models"
"github.com/cloudreve/Cloudreve/v3/pkg/aria2/common"
"github.com/cloudreve/Cloudreve/v3/pkg/aria2/monitor"
"github.com/cloudreve/Cloudreve/v3/pkg/aria2/rpc"
"github.com/cloudreve/Cloudreve/v3/pkg/balancer"
)
// Instance 默认使用的Aria2处理实例
var Instance common.Aria2 = &common.DummyAria2{}
// LB 获取 Aria2 节点的负载均衡器
var LB balancer.Balancer
// Lock Instance的读写锁
var Lock sync.RWMutex
// GetLoadBalancer 返回供Aria2使用的负载均衡器
func GetLoadBalancer() balancer.Balancer {
Lock.RLock()
defer Lock.RUnlock()
return LB
}
// Init 初始化
func Init(isReload bool, pool cluster.Pool, mqClient mq.MQ) {
Lock.Lock()
LB = balancer.NewBalancer("RoundRobin")
Lock.Unlock()
if !isReload {
// 从数据库中读取未完成任务,创建监控
unfinished := model.GetDownloadsByStatus(common.Ready, common.Paused, common.Downloading)
for i := 0; i < len(unfinished); i++ {
// 创建任务监控
monitor.NewMonitor(&unfinished[i], pool, mqClient)
}
}
}
// TestRPCConnection 发送测试用的 RPC 请求,测试服务连通性
func TestRPCConnection(server, secret string, timeout int) (rpc.VersionInfo, error) {
// 解析RPC服务地址
rpcServer, err := url.Parse(server)
if err != nil {
return rpc.VersionInfo{}, fmt.Errorf("cannot parse RPC server: %w", err)
}
rpcServer.Path = "/jsonrpc"
caller, err := rpc.New(context.Background(), rpcServer.String(), secret, time.Duration(timeout)*time.Second, nil)
if err != nil {
return rpc.VersionInfo{}, fmt.Errorf("cannot initialize rpc connection: %w", err)
}
return caller.GetVersion()
}