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task.go
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task.go
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package node
import (
"fmt"
"github.com/Yuzuki616/V2bX/api/panel"
"github.com/Yuzuki616/V2bX/common/builder"
"github.com/Yuzuki616/V2bX/core"
"github.com/Yuzuki616/V2bX/limiter"
"github.com/Yuzuki616/V2bX/node/lego"
"github.com/xtls/xray-core/common/task"
"log"
"runtime"
"strconv"
"time"
)
func (c *Controller) initTask() {
// fetch node info task
c.nodeInfoMonitorPeriodic = &task.Periodic{
Interval: c.nodeInfo.BaseConfig.PullInterval.(time.Duration),
Execute: c.nodeInfoMonitor,
}
// fetch user list task
c.userReportPeriodic = &task.Periodic{
Interval: c.nodeInfo.BaseConfig.PushInterval.(time.Duration),
Execute: c.reportUserTraffic,
}
log.Printf("[%s: %d] Start monitor node status", c.nodeInfo.NodeType, c.nodeInfo.NodeId)
// delay to start nodeInfoMonitor
go func() {
time.Sleep(c.nodeInfo.BaseConfig.PullInterval.(time.Duration))
_ = c.nodeInfoMonitorPeriodic.Start()
}()
log.Printf("[%s: %d] Start report node status", c.nodeInfo.NodeType, c.nodeInfo.NodeId)
// delay to start userReport
go func() {
time.Sleep(c.nodeInfo.BaseConfig.PushInterval.(time.Duration))
_ = c.userReportPeriodic.Start()
}()
if c.nodeInfo.Tls != 0 && c.CertConfig.CertMode != "none" &&
(c.CertConfig.CertMode == "dns" || c.CertConfig.CertMode == "http") {
c.renewCertPeriodic = &task.Periodic{
Interval: time.Hour * 24,
Execute: c.reportUserTraffic,
}
log.Printf("[%s: %d] Start renew cert", c.nodeInfo.NodeType, c.nodeInfo.NodeId)
// delay to start renewCert
go func() {
_ = c.renewCertPeriodic.Start()
}()
}
}
func (c *Controller) nodeInfoMonitor() (err error) {
// First fetch Node Info
newNodeInfo, err := c.apiClient.GetNodeInfo()
if err != nil {
log.Print(err)
return nil
}
var nodeInfoChanged = false
// If nodeInfo changed
if newNodeInfo != nil {
// Remove old tag
oldTag := c.Tag
err := c.server.DelNode(oldTag)
if err != nil {
log.Print(err)
return nil
}
// Remove Old limiter
limiter.DeleteLimiter(oldTag)
// Add new tag
c.nodeInfo = newNodeInfo
c.Tag = c.buildNodeTag()
err = c.server.AddNode(c.Tag, newNodeInfo, c.ControllerConfig)
if err != nil {
log.Print(err)
return nil
}
nodeInfoChanged = true
}
// Update User
newUserInfo, err := c.apiClient.GetUserList()
if err != nil {
log.Print(err)
return nil
}
if nodeInfoChanged {
c.userList = newUserInfo
// Add new Limiter
l := limiter.AddLimiter(c.Tag, &c.LimitConfig, newUserInfo)
_, err = c.server.AddUsers(&core.AddUsersParams{
Tag: c.Tag,
Config: c.ControllerConfig,
})
if err != nil {
log.Print(err)
return nil
}
err = l.UpdateRule(newNodeInfo.Rules)
if err != nil {
log.Printf("Update Rule error: %s", err)
}
// Check interval
if c.nodeInfoMonitorPeriodic.Interval != newNodeInfo.BaseConfig.PullInterval.(time.Duration) &&
newNodeInfo.BaseConfig.PullInterval.(time.Duration) != 0 {
c.nodeInfoMonitorPeriodic.Interval = newNodeInfo.BaseConfig.PullInterval.(time.Duration)
_ = c.nodeInfoMonitorPeriodic.Close()
go func() {
time.Sleep(c.nodeInfoMonitorPeriodic.Interval)
_ = c.nodeInfoMonitorPeriodic.Start()
}()
}
if c.userReportPeriodic.Interval != newNodeInfo.BaseConfig.PushInterval.(time.Duration) &&
newNodeInfo.BaseConfig.PushInterval.(time.Duration) != 0 {
c.userReportPeriodic.Interval = newNodeInfo.BaseConfig.PullInterval.(time.Duration)
_ = c.userReportPeriodic.Close()
go func() {
time.Sleep(c.userReportPeriodic.Interval)
_ = c.userReportPeriodic.Start()
}()
}
} else {
deleted, added := compareUserList(c.userList, newUserInfo)
if len(deleted) > 0 {
deletedEmail := make([]string, len(deleted))
for i := range deleted {
deletedEmail[i] = fmt.Sprintf("%s|%s|%d",
c.Tag,
(deleted)[i].Uuid,
(deleted)[i].Id)
}
err := c.server.RemoveUsers(deletedEmail, c.Tag)
if err != nil {
log.Print(err)
}
}
if len(added) > 0 {
_, err := c.server.AddUsers(&core.AddUsersParams{
Tag: c.Tag,
Config: c.ControllerConfig,
UserInfo: added,
NodeInfo: c.nodeInfo,
})
if err != nil {
log.Print(err)
}
}
if len(added) > 0 || len(deleted) > 0 {
// Update Limiter
err = limiter.UpdateLimiter(c.Tag, added, deleted)
if err != nil {
log.Print("update limiter:", err)
}
}
log.Printf("[%s: %d] %d user deleted, %d user added", c.nodeInfo.NodeType, c.nodeInfo.NodeId,
len(deleted), len(added))
c.userList = newUserInfo
}
return nil
}
func compareUserList(old, new []panel.UserInfo) (deleted, added []panel.UserInfo) {
tmp := map[string]struct{}{}
tmp2 := map[string]struct{}{}
for i := range old {
tmp[old[i].Uuid+strconv.Itoa(old[i].SpeedLimit)] = struct{}{}
}
l := len(tmp)
for i := range new {
e := new[i].Uuid + strconv.Itoa(new[i].SpeedLimit)
tmp[e] = struct{}{}
tmp2[e] = struct{}{}
if l != len(tmp) {
added = append(added, new[i])
l++
}
}
tmp = nil
l = len(tmp2)
for i := range old {
tmp2[old[i].Uuid+strconv.Itoa(old[i].SpeedLimit)] = struct{}{}
if l != len(tmp2) {
deleted = append(deleted, old[i])
l++
}
}
return deleted, added
}
func (c *Controller) reportUserTraffic() (err error) {
// Get User traffic
userTraffic := make([]panel.UserTraffic, 0)
for i := range c.userList {
up, down := c.server.GetUserTraffic(builder.BuildUserTag(c.Tag, &c.userList[i]), true)
if up > 0 || down > 0 {
if c.LimitConfig.EnableDynamicSpeedLimit {
c.userList[i].Traffic += up + down
}
userTraffic = append(userTraffic, panel.UserTraffic{
UID: (c.userList)[i].Id,
Upload: up,
Download: down})
}
}
if len(userTraffic) > 0 && !c.DisableUploadTraffic {
err = c.apiClient.ReportUserTraffic(userTraffic)
if err != nil {
log.Printf("Report user traffic faild: %s", err)
} else {
log.Printf("[%s: %d] Report %d online users", c.nodeInfo.NodeType, c.nodeInfo.NodeId, len(userTraffic))
}
}
userTraffic = nil
runtime.GC()
return nil
}
func (c *Controller) RenewCert() {
l, err := lego.New(c.CertConfig)
if err != nil {
log.Print(err)
return
}
err = l.RenewCert()
if err != nil {
log.Print(err)
return
}
}