func (this *InboundDetourHandlerDynamic) refresh() error {
this.lastRefresh = time.Now()
config := this.config
this.ich2Recyle = this.ichs
newIchs := make([]proxy.InboundHandler, config.Allocation.Concurrency)
for idx, _ := range newIchs {
port := this.pickUnusedPort()
ich, err := proxyrepo.CreateInboundHandler(config.Protocol, this.space, config.Settings, &proxy.InboundHandlerMeta{
Address: config.ListenOn, Port: port, Tag: config.Tag, StreamSettings: config.StreamSettings})
if err != nil {
log.Error("Point: Failed to create inbound connection handler: ", err)
return err
}
err = ich.Start()
if err != nil {
log.Error("Point: Failed to start inbound connection handler: ", err)
return err
}
this.portsInUse[port] = true
newIchs[idx] = ich
}
this.Lock()
this.ichs = newIchs
this.Unlock()
return nil
}
func NewInboundDetourHandlerDynamic(space app.Space, config *InboundDetourConfig) (*InboundDetourHandlerDynamic, error) {
handler := &InboundDetourHandlerDynamic{
space: space,
config: config,
portsInUse: make(map[v2net.Port]bool),
}
ichCount := config.Allocation.Concurrency
ichArray := make([]proxy.InboundHandler, ichCount*2)
for idx := range ichArray {
ich, err := proxyrepo.CreateInboundHandler(config.Protocol, space, config.Settings)
if err != nil {
log.Error("Point: Failed to create inbound connection handler: ", err)
return nil, err
}
ichArray[idx] = ich
}
handler.ichInUse = ichArray[:ichCount]
handler.ich2Recycle = ichArray[ichCount:]
return handler, nil
}
func NewInboundDetourHandlerAlways(space app.Space, config *InboundDetourConfig) (*InboundDetourHandlerAlways, error) {
handler := &InboundDetourHandlerAlways{
space: space,
config: config,
}
ports := config.PortRange
handler.ich = make([]*InboundConnectionHandlerWithPort, 0, ports.To-ports.From+1)
for i := ports.From; i <= ports.To; i++ {
ichConfig := config.Settings
ich, err := proxyrepo.CreateInboundHandler(config.Protocol, space, ichConfig)
if err != nil {
log.Error("Failed to create inbound connection handler: ", err)
return nil, err
}
handler.ich = append(handler.ich, &InboundConnectionHandlerWithPort{
port: i,
handler: ich,
})
}
return handler, nil
}
func NewInboundDetourHandlerDynamic(space app.Space, config *InboundDetourConfig) (*InboundDetourHandlerDynamic, error) {
handler := &InboundDetourHandlerDynamic{
space: space,
config: config,
portsInUse: make(map[v2net.Port]bool),
}
handler.ichs = make([]proxy.InboundHandler, config.Allocation.Concurrency)
// To test configuration
ich, err := proxyrepo.CreateInboundHandler(config.Protocol, space, config.Settings, &proxy.InboundHandlerMeta{
Address: config.ListenOn,
Port: 0,
Tag: config.Tag,
StreamSettings: config.StreamSettings})
if err != nil {
log.Error("Point: Failed to create inbound connection handler: ", err)
return nil, err
}
ich.Close()
return handler, nil
}
func NewInboundDetourHandlerAlways(space app.Space, config *InboundDetourConfig) (*InboundDetourHandlerAlways, error) {
handler := &InboundDetourHandlerAlways{
space: space,
config: config,
}
ports := config.PortRange
handler.ich = make([]proxy.InboundHandler, 0, ports.To-ports.From+1)
for i := ports.From; i <= ports.To; i++ {
ichConfig := config.Settings
ich, err := proxyrepo.CreateInboundHandler(config.Protocol, space, ichConfig, &proxy.InboundHandlerMeta{
Address: config.ListenOn,
Port: i,
Tag: config.Tag,
StreamSettings: config.StreamSettings})
if err != nil {
log.Error("Failed to create inbound connection handler: ", err)
return nil, err
}
handler.ich = append(handler.ich, ich)
}
return handler, nil
}
// NewPoint returns a new Point server based on given configuration.
// The server is not started at this point.
func NewPoint(pConfig *Config) (*Point, error) {
var vpoint = new(Point)
vpoint.port = pConfig.Port
if pConfig.LogConfig != nil {
logConfig := pConfig.LogConfig
if len(logConfig.AccessLog) > 0 {
err := log.InitAccessLogger(logConfig.AccessLog)
if err != nil {
return nil, err
}
}
if len(logConfig.ErrorLog) > 0 {
err := log.InitErrorLogger(logConfig.ErrorLog)
if err != nil {
return nil, err
}
}
log.SetLogLevel(logConfig.LogLevel)
}
vpoint.space = app.NewController()
vpoint.space.Bind(dispatcher.APP_ID, vpoint)
vpoint.space.Bind(proxyman.APP_ID_INBOUND_MANAGER, vpoint)
ichConfig := pConfig.InboundConfig.Settings
ich, err := proxyrepo.CreateInboundHandler(pConfig.InboundConfig.Protocol, vpoint.space.ForContext("vpoint-default-inbound"), ichConfig)
if err != nil {
log.Error("Failed to create inbound connection handler: ", err)
return nil, err
}
vpoint.ich = ich
ochConfig := pConfig.OutboundConfig.Settings
och, err := proxyrepo.CreateOutboundHandler(pConfig.OutboundConfig.Protocol, vpoint.space.ForContext("vpoint-default-outbound"), ochConfig)
if err != nil {
log.Error("Failed to create outbound connection handler: ", err)
return nil, err
}
vpoint.och = och
vpoint.taggedIdh = make(map[string]InboundDetourHandler)
detours := pConfig.InboundDetours
if len(detours) > 0 {
vpoint.idh = make([]InboundDetourHandler, len(detours))
for idx, detourConfig := range detours {
allocConfig := detourConfig.Allocation
var detourHandler InboundDetourHandler
switch allocConfig.Strategy {
case AllocationStrategyAlways:
dh, err := NewInboundDetourHandlerAlways(vpoint.space.ForContext(detourConfig.Tag), detourConfig)
if err != nil {
log.Error("Point: Failed to create detour handler: ", err)
return nil, ErrorBadConfiguration
}
detourHandler = dh
case AllocationStrategyRandom:
dh, err := NewInboundDetourHandlerDynamic(vpoint.space.ForContext(detourConfig.Tag), detourConfig)
if err != nil {
log.Error("Point: Failed to create detour handler: ", err)
return nil, ErrorBadConfiguration
}
detourHandler = dh
default:
log.Error("Point: Unknown allocation strategy: ", allocConfig.Strategy)
return nil, ErrorBadConfiguration
}
vpoint.idh[idx] = detourHandler
if len(detourConfig.Tag) > 0 {
vpoint.taggedIdh[detourConfig.Tag] = detourHandler
}
}
}
outboundDetours := pConfig.OutboundDetours
if len(outboundDetours) > 0 {
vpoint.odh = make(map[string]proxy.OutboundHandler)
for _, detourConfig := range outboundDetours {
detourHandler, err := proxyrepo.CreateOutboundHandler(detourConfig.Protocol, vpoint.space.ForContext(detourConfig.Tag), detourConfig.Settings)
if err != nil {
log.Error("Failed to create detour outbound connection handler: ", err)
return nil, err
}
vpoint.odh[detourConfig.Tag] = detourHandler
}
}
routerConfig := pConfig.RouterConfig
if routerConfig != nil {
r, err := router.CreateRouter(routerConfig.Strategy, routerConfig.Settings)
if err != nil {
log.Error("Failed to create router: ", err)
return nil, ErrorBadConfiguration
}
vpoint.router = r
}
return vpoint, nil
}