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support bandwidth_limit set by server plugin (#3271)

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* support bandwidth_limit set by server plugin

* limiter at proxy level

* bandwidth_limit_mode

* updates tests for bandwidth_limit_mode default

* bandwidth_limit_mode as string

* add checkForSrv for bandwidth_limit_mode

* bandwidth_limit flags for sub cmds

* gci write
This commit is contained in:
Craig O'Donnell
2023-02-08 11:38:36 -05:00
committed by GitHub
parent 113e3b0b0d
commit aa31d7ad0b
27 changed files with 284 additions and 41 deletions
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19
server/proxy/proxy.go
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@ -24,10 +24,12 @@ import (
"time"
frpIo "github.com/fatedier/golib/io"
"golang.org/x/time/rate"
"github.com/fatedier/frp/pkg/config"
"github.com/fatedier/frp/pkg/msg"
plugin "github.com/fatedier/frp/pkg/plugin/server"
"github.com/fatedier/frp/pkg/util/limit"
frpNet "github.com/fatedier/frp/pkg/util/net"
"github.com/fatedier/frp/pkg/util/xlog"
"github.com/fatedier/frp/server/controller"
@ -45,6 +47,7 @@ type Proxy interface {
GetUsedPortsNum() int
GetResourceController() *controller.ResourceController
GetUserInfo() plugin.UserInfo
GetLimiter() *rate.Limiter
Close()
}
@ -56,6 +59,7 @@ type BaseProxy struct {
poolCount int
getWorkConnFn GetWorkConnFn
serverCfg config.ServerCommonConf
limiter *rate.Limiter
userInfo plugin.UserInfo
mu sync.RWMutex
@ -187,6 +191,13 @@ func NewProxy(ctx context.Context, userInfo plugin.UserInfo, rc *controller.Reso
getWorkConnFn GetWorkConnFn, pxyConf config.ProxyConf, serverCfg config.ServerCommonConf,
) (pxy Proxy, err error) {
xl := xlog.FromContextSafe(ctx).Spawn().AppendPrefix(pxyConf.GetBaseInfo().ProxyName)
var limiter *rate.Limiter
limitBytes := pxyConf.GetBaseInfo().BandwidthLimit.Bytes()
if limitBytes > 0 && pxyConf.GetBaseInfo().BandwidthLimitMode == config.BandwidthLimitModeServer {
limiter = rate.NewLimiter(rate.Limit(float64(limitBytes)), int(limitBytes))
}
basePxy := BaseProxy{
name: pxyConf.GetBaseInfo().ProxyName,
rc: rc,
@ -194,6 +205,7 @@ func NewProxy(ctx context.Context, userInfo plugin.UserInfo, rc *controller.Reso
poolCount: poolCount,
getWorkConnFn: getWorkConnFn,
serverCfg: serverCfg,
limiter: limiter,
xl: xl,
ctx: xlog.NewContext(ctx, xl),
userInfo: userInfo,
@ -287,6 +299,13 @@ func HandleUserTCPConnection(pxy Proxy, userConn net.Conn, serverCfg config.Serv
if cfg.UseCompression {
local = frpIo.WithCompression(local)
}
if pxy.GetLimiter() != nil {
local = frpIo.WrapReadWriteCloser(limit.NewReader(local, pxy.GetLimiter()), limit.NewWriter(local, pxy.GetLimiter()), func() error {
return local.Close()
})
}
xl.Debug("join connections, workConn(l[%s] r[%s]) userConn(l[%s] r[%s])", workConn.LocalAddr().String(),
workConn.RemoteAddr().String(), userConn.LocalAddr().String(), userConn.RemoteAddr().String())