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frp
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add more log info

This commit is contained in:
fatedier 2017-04-25 00:34:14 +08:00
parent 5360febd72
commit 71f7caa1ee
8 changed files with 122 additions and 47 deletions
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12
client/control.go
View File

@ -144,8 +144,8 @@ func (ctl *Control) NewWorkConn() {
// dispatch this work connection to related proxy
if pxy, ok := ctl.proxies[startMsg.ProxyName]; ok {
go pxy.InWorkConn(workConn)
workConn.Info("start a new work connection")
go pxy.InWorkConn(workConn)
} else {
workConn.Close()
}
@ -288,7 +288,7 @@ func (ctl *Control) manager() {
}
cfg, ok := ctl.pxyCfgs[m.ProxyName]
if !ok {
// it will never go to this branch
// it will never go to this branch now
ctl.Warn("[%s] no proxy conf found", m.ProxyName)
continue
}
@ -317,12 +317,12 @@ func (ctl *Control) controler() {
maxDelayTime := 30 * time.Second
delayTime := time.Second
checkInterval := 60 * time.Second
checkInterval := 30 * time.Second
checkProxyTicker := time.NewTicker(checkInterval)
for {
select {
case <-checkProxyTicker.C:
// Every 60 seconds, check which proxy registered failed and reregister it to server.
// Every 30 seconds, check which proxy registered failed and reregister it to server.
for _, cfg := range ctl.pxyCfgs {
if _, exist := ctl.proxies[cfg.GetName()]; !exist {
ctl.Info("try to reregister proxy [%s]", cfg.GetName())
@ -337,6 +337,10 @@ func (ctl *Control) controler() {
// close related channels
close(ctl.readCh)
close(ctl.sendCh)
for _, pxy := range ctl.proxies {
pxy.Close()
}
time.Sleep(time.Second)
// loop util reconnect to server success

39
client/proxy.go
View File

@ -18,6 +18,7 @@ import (
"fmt"
"io"
"net"
"sync"
"github.com/fatedier/frp/models/config"
"github.com/fatedier/frp/models/msg"
@ -69,7 +70,9 @@ func NewProxy(ctl *Control, pxyConf config.ProxyConf) (pxy Proxy) {
}
type BaseProxy struct {
ctl *Control
ctl *Control
closed bool
mu sync.RWMutex
log.Logger
}
@ -151,20 +154,34 @@ func (pxy *UdpProxy) Run() (err error) {
}
func (pxy *UdpProxy) Close() {
pxy.workConn.Close()
close(pxy.readCh)
close(pxy.sendCh)
pxy.mu.Lock()
defer pxy.mu.Unlock()
if !pxy.closed {
pxy.closed = true
if pxy.workConn != nil {
pxy.workConn.Close()
}
if pxy.readCh != nil {
close(pxy.readCh)
}
if pxy.sendCh != nil {
close(pxy.sendCh)
}
}
}
func (pxy *UdpProxy) InWorkConn(conn frpNet.Conn) {
if pxy.workConn != nil {
pxy.workConn.Close()
close(pxy.readCh)
close(pxy.sendCh)
}
pxy.Info("incoming a new work connection for udp proxy")
// close resources releated with old workConn
pxy.Close()
pxy.mu.Lock()
pxy.workConn = conn
pxy.readCh = make(chan *msg.UdpPacket, 64)
pxy.sendCh = make(chan *msg.UdpPacket, 64)
pxy.closed = false
pxy.mu.Unlock()
workConnReaderFn := func(conn net.Conn) {
for {
@ -174,9 +191,10 @@ func (pxy *UdpProxy) InWorkConn(conn frpNet.Conn) {
return
}
if errRet := errors.PanicToError(func() {
pxy.Trace("get udp package from workConn: %s", udpMsg.Content)
pxy.readCh <- &udpMsg
}); errRet != nil {
pxy.Info("reader goroutine for udp work connection closed")
pxy.Info("reader goroutine for udp work connection closed: %v", errRet)
return
}
}
@ -184,6 +202,7 @@ func (pxy *UdpProxy) InWorkConn(conn frpNet.Conn) {
workConnSenderFn := func(conn net.Conn) {
var errRet error
for udpMsg := range pxy.sendCh {
pxy.Trace("send udp package to workConn: %s", udpMsg.Content)
if errRet = msg.WriteMsg(conn, udpMsg); errRet != nil {
pxy.Info("sender goroutine for udp work connection closed")
return

2
conf/frpc.ini
View File

@ -11,7 +11,7 @@ server_port = 7000
# console or real logFile path like ./frpc.log
log_file = ./frpc.log
# debug, info, warn, error
# trace, debug, info, warn, error
log_level = info
log_max_days = 3

2
conf/frps.ini
View File

@ -21,7 +21,7 @@ dashboard_pwd = admin
# console or real logFile path like ./frps.log
log_file = ./frps.log
# debug, info, warn, error
# trace, debug, info, warn, error
log_level = info
log_max_days = 3

30
models/proto/udp/udp.go
View File

@ -51,22 +51,22 @@ func ForwardUserConn(udpConn *net.UDPConn, readCh <-chan *msg.UdpPacket, sendCh
}()
// write
go func() {
buf := pool.GetBuf(1500)
defer pool.PutBuf(buf)
for {
n, remoteAddr, err := udpConn.ReadFromUDP(buf)
if err != nil {
udpConn.Close()
return
}
udpMsg := NewUdpPacket(buf[:n], nil, remoteAddr)
select {
case sendCh <- udpMsg:
default:
}
buf := pool.GetBuf(1500)
defer pool.PutBuf(buf)
for {
n, remoteAddr, err := udpConn.ReadFromUDP(buf)
if err != nil {
udpConn.Close()
return
}
}()
// buf[:n] will be encoded to string, so the bytes can be reused
udpMsg := NewUdpPacket(buf[:n], nil, remoteAddr)
select {
case sendCh <- udpMsg:
default:
}
}
return
}
func Forwarder(dstAddr *net.UDPAddr, readCh <-chan *msg.UdpPacket, sendCh chan<- *msg.UdpPacket) {

1
server/control.go
View File

@ -258,6 +258,7 @@ func (ctl *Control) stoper() {
ctl.writerShutdown.WaitDown()
ctl.conn.Close()
ctl.readerShutdown.WaitDown()
close(ctl.workConnCh)
for workConn := range ctl.workConnCh {

72
server/proxy.go
View File

@ -19,6 +19,7 @@ import (
"fmt"
"io"
"net"
"sync"
"time"
"github.com/fatedier/frp/models/config"
@ -45,6 +46,7 @@ type BaseProxy struct {
name string
ctl *Control
listeners []frpNet.Listener
mu sync.RWMutex
log.Logger
}
@ -276,11 +278,23 @@ type UdpProxy struct {
BaseProxy
cfg *config.UdpProxyConf
udpConn *net.UDPConn
workConn net.Conn
sendCh chan *msg.UdpPacket
readCh chan *msg.UdpPacket
// udpConn is the listener of udp packages
udpConn *net.UDPConn
// there are always only one workConn at the same time
// get another one if it closed
workConn net.Conn
// sendCh is used for sending packages to workConn
sendCh chan *msg.UdpPacket
// readCh is used for reading packages from workConn
readCh chan *msg.UdpPacket
// checkCloseCh is used for watching if workConn is closed
checkCloseCh chan int
isClosed bool
}
func (pxy *UdpProxy) Run() (err error) {
@ -300,39 +314,49 @@ func (pxy *UdpProxy) Run() (err error) {
pxy.readCh = make(chan *msg.UdpPacket, 64)
pxy.checkCloseCh = make(chan int)
// read message from workConn, if it returns any error, notify proxy to start a new workConn
workConnReaderFn := func(conn net.Conn) {
for {
var udpMsg msg.UdpPacket
pxy.Trace("loop waiting message from udp workConn")
if errRet := msg.ReadMsgInto(conn, &udpMsg); errRet != nil {
pxy.Warn("read from workConn for udp error: %v", errRet)
conn.Close()
// notify proxy to start a new work connection
// ignore error here, it means the proxy is closed
errors.PanicToError(func() {
pxy.checkCloseCh <- 1
})
return
}
if errRet := errors.PanicToError(func() {
pxy.Trace("get udp message from workConn: %s", udpMsg.Content)
pxy.readCh <- &udpMsg
StatsAddTrafficOut(pxy.GetName(), int64(len(udpMsg.Content)))
}); errRet != nil {
conn.Close()
pxy.Info("reader goroutine for udp work connection closed")
return
}
}
}
// send message to workConn
workConnSenderFn := func(conn net.Conn, ctx context.Context) {
var errRet error
for {
select {
case udpMsg, ok := <-pxy.sendCh:
if !ok {
pxy.Info("sender goroutine for udp work condition closed")
return
}
if errRet = msg.WriteMsg(conn, udpMsg); errRet != nil {
pxy.Info("sender goroutine for udp work connection closed: %v", errRet)
conn.Close()
return
} else {
pxy.Trace("send message to udp workConn: %s", udpMsg.Content)
StatsAddTrafficIn(pxy.GetName(), int64(len(udpMsg.Content)))
continue
}
@ -344,12 +368,12 @@ func (pxy *UdpProxy) Run() (err error) {
}
go func() {
// Sleep a while for waiting control send the NewProxyResp to client.
time.Sleep(500 * time.Millisecond)
for {
// Sleep a while for waiting control send the NewProxyResp to client.
time.Sleep(500 * time.Millisecond)
workConn, err := pxy.GetWorkConnFromPool()
if err != nil {
time.Sleep(5 * time.Second)
time.Sleep(1 * time.Second)
// check if proxy is closed
select {
case _, ok := <-pxy.checkCloseCh:
@ -360,6 +384,10 @@ func (pxy *UdpProxy) Run() (err error) {
}
continue
}
// close the old workConn and replac it with a new one
if pxy.workConn != nil {
pxy.workConn.Close()
}
pxy.workConn = workConn
ctx, cancel := context.WithCancel(context.Background())
go workConnReaderFn(workConn)
@ -372,10 +400,14 @@ func (pxy *UdpProxy) Run() (err error) {
}
}()
// Read from user connections and send wrapped udp message to sendCh.
// Read from user connections and send wrapped udp message to sendCh (forwarded by workConn).
// Client will transfor udp message to local udp service and waiting for response for a while.
// Response will be wrapped to be transfored in work connection to server.
udp.ForwardUserConn(udpConn, pxy.readCh, pxy.sendCh)
// Response will be wrapped to be forwarded by work connection to server.
// Close readCh and sendCh at the end.
go func() {
udp.ForwardUserConn(udpConn, pxy.readCh, pxy.sendCh)
pxy.Close()
}()
return nil
}
@ -384,12 +416,20 @@ func (pxy *UdpProxy) GetConf() config.ProxyConf {
}
func (pxy *UdpProxy) Close() {
pxy.BaseProxy.Close()
pxy.workConn.Close()
pxy.udpConn.Close()
close(pxy.checkCloseCh)
close(pxy.readCh)
close(pxy.sendCh)
pxy.mu.Lock()
defer pxy.mu.Unlock()
if !pxy.isClosed {
pxy.isClosed = true
pxy.BaseProxy.Close()
pxy.workConn.Close()
pxy.udpConn.Close()
// all channels only closed here
close(pxy.checkCloseCh)
close(pxy.readCh)
close(pxy.sendCh)
}
}
// HandleUserTcpConnection is used for incoming tcp user connections.

11
utils/log/log.go
View File

@ -55,6 +55,8 @@ func SetLogLevel(logLevel string) {
level = 6
case "debug":
level = 7
case "trace":
level = 8
default:
level = 4
}
@ -79,6 +81,10 @@ func Debug(format string, v ...interface{}) {
Log.Debug(format, v...)
}
func Trace(format string, v ...interface{}) {
Log.Trace(format, v...)
}
// Logger
type Logger interface {
AddLogPrefix(string)
@ -88,6 +94,7 @@ type Logger interface {
Warn(string, ...interface{})
Info(string, ...interface{})
Debug(string, ...interface{})
Trace(string, ...interface{})
}
type PrefixLogger struct {
@ -136,3 +143,7 @@ func (pl *PrefixLogger) Info(format string, v ...interface{}) {
func (pl *PrefixLogger) Debug(format string, v ...interface{}) {
Log.Debug(pl.prefix+format, v...)
}
func (pl *PrefixLogger) Trace(format string, v ...interface{}) {
Log.Trace(pl.prefix+format, v...)
}