server

package
v0.19.1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 19, 2018 License: Apache-2.0 Imports: 34 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	MinPort                    = 1
	MaxPort                    = 65535
	MaxPortReservedDuration    = time.Duration(24) * time.Hour
	CleanReservedPortsInterval = time.Hour
)
View Source 
const (
	ReserveDays = 7
)

Variables

View Source 
var (
	ErrPortAlreadyUsed = errors.New("port already used")
	ErrPortNotAllowed  = errors.New("port not allowed")
	ErrPortUnAvailable = errors.New("port unavailable")
	ErrNoAvailablePort = errors.New("no available port")
)
View Source 
var NatHoleTimeout int64 = 10

Timeout seconds.

Functions

func HandleUserTcpConnection 

func HandleUserTcpConnection(pxy Proxy, userConn frpNet.Conn)

HandleUserTcpConnection is used for incoming tcp user connections. It can be used for tcp, http, https type.

func RunDashboardServer 

func RunDashboardServer(addr string, port int) (err error)

func StatsAddTrafficIn 

func StatsAddTrafficIn(name string, trafficIn int64)

func StatsAddTrafficOut 

func StatsAddTrafficOut(name string, trafficOut int64)

func StatsClearUselessInfo 

func StatsClearUselessInfo()

func StatsCloseClient 

func StatsCloseClient()

func StatsCloseConnection 

func StatsCloseConnection(name string)

func StatsCloseProxy 

func StatsCloseProxy(proxyName string, proxyType string)

func StatsNewClient 

func StatsNewClient()

func StatsNewProxy 

func StatsNewProxy(name string, proxyType string)

func StatsOpenConnection 

func StatsOpenConnection(name string)

Types

type BaseProxy 

type BaseProxy struct {
	log.Logger
	// contains filtered or unexported fields
}

func (*BaseProxy) Close 

func (pxy *BaseProxy) Close()

func (*BaseProxy) GetControl 

func (pxy *BaseProxy) GetControl() *Control

func (*BaseProxy) GetName 

func (pxy *BaseProxy) GetName() string

func (*BaseProxy) GetUsedPortsNum 

func (pxy *BaseProxy) GetUsedPortsNum() int

func (*BaseProxy) GetWorkConnFromPool 

func (pxy *BaseProxy) GetWorkConnFromPool() (workConn frpNet.Conn, err error)

type Control 

type Control struct {
	// contains filtered or unexported fields
}

func NewControl 

func NewControl(svr *Service, ctlConn net.Conn, loginMsg *msg.Login) *Control

func (*Control) CloseProxy 

func (ctl *Control) CloseProxy(closeMsg *msg.CloseProxy) (err error)

func (*Control) GetWorkConn 

func (ctl *Control) GetWorkConn() (workConn net.Conn, err error)

When frps get one user connection, we get one work connection from the pool and return it. If no workConn available in the pool, send message to frpc to get one or more and wait until it is available. return an error if wait timeout

func (*Control) RegisterProxy 

func (ctl *Control) RegisterProxy(pxyMsg *msg.NewProxy) (remoteAddr string, err error)

func (*Control) RegisterWorkConn 

func (ctl *Control) RegisterWorkConn(conn net.Conn)

func (*Control) Replaced 

func (ctl *Control) Replaced(newCtl *Control)

func (*Control) Start 

func (ctl *Control) Start()

Start send a login success message to client and start working.

type ControlManager 

type ControlManager struct {
	// contains filtered or unexported fields
}

func NewControlManager 

func NewControlManager() *ControlManager

func (*ControlManager) Add 

func (cm *ControlManager) Add(runId string, ctl *Control) (oldCtl *Control)

func (*ControlManager) GetById 

func (cm *ControlManager) GetById(runId string) (ctl *Control, ok bool)

type GeneralResponse 

type GeneralResponse struct {
	Code int64  `json:"code"`
	Msg  string `json:"msg"`
}

type GetProxyInfoResp 

type GetProxyInfoResp struct {
	GeneralResponse
	Proxies []*ProxyStatsInfo `json:"proxies"`
}

type GetProxyStatsResp 

type GetProxyStatsResp struct {
	GeneralResponse

	Name            string           `json:"name"`
	Conf            config.ProxyConf `json:"conf"`
	TodayTrafficIn  int64            `json:"today_traffic_in"`
	TodayTrafficOut int64            `json:"today_traffic_out"`
	CurConns        int64            `json:"cur_conns"`
	LastStartTime   string           `json:"last_start_time"`
	LastCloseTime   string           `json:"last_close_time"`
	Status          string           `json:"status"`
}

Get proxy info by name.

type GetProxyTrafficResp 

type GetProxyTrafficResp struct {
	GeneralResponse

	Name       string  `json:"name"`
	TrafficIn  []int64 `json:"traffic_in"`
	TrafficOut []int64 `json:"traffic_out"`
}

api/proxy/traffic/:name

type HttpProxy 

type HttpProxy struct {
	BaseProxy
	// contains filtered or unexported fields
}

func (*HttpProxy) Close 

func (pxy *HttpProxy) Close()

func (*HttpProxy) GetConf 

func (pxy *HttpProxy) GetConf() config.ProxyConf

func (*HttpProxy) GetRealConn 

func (pxy *HttpProxy) GetRealConn() (workConn frpNet.Conn, err error)

func (*HttpProxy) Run 

func (pxy *HttpProxy) Run() (remoteAddr string, err error)

type HttpsProxy 

type HttpsProxy struct {
	BaseProxy
	// contains filtered or unexported fields
}

func (*HttpsProxy) Close 

func (pxy *HttpsProxy) Close()

func (*HttpsProxy) GetConf 

func (pxy *HttpsProxy) GetConf() config.ProxyConf

func (*HttpsProxy) Run 

func (pxy *HttpsProxy) Run() (remoteAddr string, err error)

type NatHoleClientCfg 

type NatHoleClientCfg struct {
	Name  string
	Sk    string
	SidCh chan string
}

type NatHoleController 

type NatHoleController struct {
	// contains filtered or unexported fields
}

func NewNatHoleController 

func NewNatHoleController(udpBindAddr string) (nc *NatHoleController, err error)

func (*NatHoleController) CloseClient 

func (nc *NatHoleController) CloseClient(name string)

func (*NatHoleController) GenNatHoleResponse 

func (nc *NatHoleController) GenNatHoleResponse(session *NatHoleSession, errInfo string) []byte

func (*NatHoleController) GenSid 

func (nc *NatHoleController) GenSid() string

func (*NatHoleController) HandleClient 

func (nc *NatHoleController) HandleClient(m *msg.NatHoleClient, raddr *net.UDPAddr)

func (*NatHoleController) HandleVisitor 

func (nc *NatHoleController) HandleVisitor(m *msg.NatHoleVisitor, raddr *net.UDPAddr)

func (*NatHoleController) ListenClient 

func (nc *NatHoleController) ListenClient(name string, sk string) (sidCh chan string)

func (*NatHoleController) Run 

func (nc *NatHoleController) Run()

type NatHoleSession 

type NatHoleSession struct {
	Sid         string
	VisitorAddr *net.UDPAddr
	ClientAddr  *net.UDPAddr

	NotifyCh chan struct{}
}

type PortCtx 

type PortCtx struct {
	ProxyName  string
	Port       int
	Closed     bool
	UpdateTime time.Time
}

type PortManager 

type PortManager struct {
	// contains filtered or unexported fields
}

func NewPortManager 

func NewPortManager(netType string, bindAddr string, allowPorts map[int]struct{}) *PortManager

func (*PortManager) Acquire 

func (pm *PortManager) Acquire(name string, port int) (realPort int, err error)

func (*PortManager) Release 

func (pm *PortManager) Release(port int)

type Proxy 

type Proxy interface {
	Run() (remoteAddr string, err error)
	GetControl() *Control
	GetName() string
	GetConf() config.ProxyConf
	GetWorkConnFromPool() (workConn frpNet.Conn, err error)
	GetUsedPortsNum() int
	Close()
	log.Logger
}

func NewProxy 

func NewProxy(ctl *Control, pxyConf config.ProxyConf) (pxy Proxy, err error)

type ProxyManager 

type ProxyManager struct {
	// contains filtered or unexported fields
}

func NewProxyManager 

func NewProxyManager() *ProxyManager

func (*ProxyManager) Add 

func (pm *ProxyManager) Add(name string, pxy Proxy) error

func (*ProxyManager) Del 

func (pm *ProxyManager) Del(name string)

func (*ProxyManager) GetByName 

func (pm *ProxyManager) GetByName(name string) (pxy Proxy, ok bool)

type ProxyStatistics 

type ProxyStatistics struct {
	Name          string
	ProxyType     string
	TrafficIn     metric.DateCounter
	TrafficOut    metric.DateCounter
	CurConns      metric.Counter
	LastStartTime time.Time
	LastCloseTime time.Time
}

type ProxyStats 

type ProxyStats struct {
	Name            string
	Type            string
	TodayTrafficIn  int64
	TodayTrafficOut int64
	LastStartTime   string
	LastCloseTime   string
	CurConns        int64
}

func StatsGetProxiesByType 

func StatsGetProxiesByType(proxyType string) []*ProxyStats

func StatsGetProxiesByTypeAndName 

func StatsGetProxiesByTypeAndName(proxyType string, proxyName string) (res *ProxyStats)

type ProxyStatsInfo 

type ProxyStatsInfo struct {
	Name            string           `json:"name"`
	Conf            config.ProxyConf `json:"conf"`
	TodayTrafficIn  int64            `json:"today_traffic_in"`
	TodayTrafficOut int64            `json:"today_traffic_out"`
	CurConns        int64            `json:"cur_conns"`
	LastStartTime   string           `json:"last_start_time"`
	LastCloseTime   string           `json:"last_close_time"`
	Status          string           `json:"status"`
}

Get proxy info.

type ProxyTrafficInfo 

type ProxyTrafficInfo struct {
	Name       string
	TrafficIn  []int64
	TrafficOut []int64
}

func StatsGetProxyTraffic 

func StatsGetProxyTraffic(name string) (res *ProxyTrafficInfo)

type ServerInfoResp 

type ServerInfoResp struct {
	GeneralResponse

	Version           string `json:"version"`
	BindPort          int    `json:"bind_port"`
	BindUdpPort       int    `json:"bind_udp_port"`
	VhostHttpPort     int    `json:"vhost_http_port"`
	VhostHttpsPort    int    `json:"vhost_https_port"`
	KcpBindPort       int    `json:"kcp_bind_port"`
	AuthTimeout       int64  `json:"auth_timeout"`
	SubdomainHost     string `json:"subdomain_host"`
	MaxPoolCount      int64  `json:"max_pool_count"`
	MaxPortsPerClient int64  `json:"max_ports_per_client"`
	HeartBeatTimeout  int64  `json:"heart_beat_timeout"`

	TotalTrafficIn  int64            `json:"total_traffic_in"`
	TotalTrafficOut int64            `json:"total_traffic_out"`
	CurConns        int64            `json:"cur_conns"`
	ClientCounts    int64            `json:"client_counts"`
	ProxyTypeCounts map[string]int64 `json:"proxy_type_count"`
}

api/serverinfo

type ServerStatistics 

type ServerStatistics struct {
	TotalTrafficIn  metric.DateCounter
	TotalTrafficOut metric.DateCounter
	CurConns        metric.Counter

	// counter for clients
	ClientCounts metric.Counter

	// counter for proxy types
	ProxyTypeCounts map[string]metric.Counter

	// statistics for different proxies
	// key is proxy name
	ProxyStatistics map[string]*ProxyStatistics
	// contains filtered or unexported fields
}

type ServerStats 

type ServerStats struct {
	TotalTrafficIn  int64
	TotalTrafficOut int64
	CurConns        int64
	ClientCounts    int64
	ProxyTypeCounts map[string]int64
}

Functions for getting server stats.

func StatsGetServer 

func StatsGetServer() *ServerStats

type Service 

type Service struct {

	// For https proxies, route requests to different clients by hostname and other infomation.
	VhostHttpsMuxer *vhost.HttpsMuxer
	// contains filtered or unexported fields
}

Server service. 

var ServerService *Service

func NewService 

func NewService() (svr *Service, err error)

func (*Service) DelProxy 

func (svr *Service) DelProxy(name string)

func (*Service) HandleListener 

func (svr *Service) HandleListener(l frpNet.Listener)

func (*Service) RegisterControl 

func (svr *Service) RegisterControl(ctlConn frpNet.Conn, loginMsg *msg.Login) (err error)

func (*Service) RegisterProxy 

func (svr *Service) RegisterProxy(name string, pxy Proxy) error

func (*Service) RegisterVisitorConn 

func (svr *Service) RegisterVisitorConn(visitorConn frpNet.Conn, newMsg *msg.NewVisitorConn) error

func (*Service) RegisterWorkConn 

func (svr *Service) RegisterWorkConn(workConn frpNet.Conn, newMsg *msg.NewWorkConn)

RegisterWorkConn register a new work connection to control and proxies need it.

func (*Service) Run 

func (svr *Service) Run()

type StcpProxy 

type StcpProxy struct {
	BaseProxy
	// contains filtered or unexported fields
}

func (*StcpProxy) Close 

func (pxy *StcpProxy) Close()

func (*StcpProxy) GetConf 

func (pxy *StcpProxy) GetConf() config.ProxyConf

func (*StcpProxy) Run 

func (pxy *StcpProxy) Run() (remoteAddr string, err error)

type TcpProxy 

type TcpProxy struct {
	BaseProxy
	// contains filtered or unexported fields
}

func (*TcpProxy) Close 

func (pxy *TcpProxy) Close()

func (*TcpProxy) GetConf 

func (pxy *TcpProxy) GetConf() config.ProxyConf

func (*TcpProxy) Run 

func (pxy *TcpProxy) Run() (remoteAddr string, err error)

type UdpProxy 

type UdpProxy struct {
	BaseProxy
	// contains filtered or unexported fields
}

func (*UdpProxy) Close 

func (pxy *UdpProxy) Close()

func (*UdpProxy) GetConf 

func (pxy *UdpProxy) GetConf() config.ProxyConf

func (*UdpProxy) Run 

func (pxy *UdpProxy) Run() (remoteAddr string, err error)

type VisitorManager 

type VisitorManager struct {
	// contains filtered or unexported fields
}

Manager for visitor listeners.

func NewVisitorManager 

func NewVisitorManager() *VisitorManager

func (*VisitorManager) CloseListener 

func (vm *VisitorManager) CloseListener(name string)

func (*VisitorManager) Listen 

func (vm *VisitorManager) Listen(name string, sk string) (l *frpNet.CustomListener, err error)

func (*VisitorManager) NewConn 

func (vm *VisitorManager) NewConn(name string, conn frpNet.Conn, timestamp int64, signKey string,
	useEncryption bool, useCompression bool) (err error)

type XtcpProxy 

type XtcpProxy struct {
	BaseProxy
	// contains filtered or unexported fields
}

func (*XtcpProxy) Close 

func (pxy *XtcpProxy) Close()

func (*XtcpProxy) GetConf 

func (pxy *XtcpProxy) GetConf() config.ProxyConf

func (*XtcpProxy) Run 

func (pxy *XtcpProxy) Run() (remoteAddr string, err error)

Source Files

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