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78 lines
2.0 KiB
78 lines
2.0 KiB
2 years ago
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// Copyright 2017 fatedier, fatedier@gmail.com
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package visitor
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import (
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"context"
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"net"
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"sync"
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"github.com/fatedier/frp/pkg/config"
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"github.com/fatedier/frp/pkg/transport"
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"github.com/fatedier/frp/pkg/util/xlog"
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)
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// Visitor is used for forward traffics from local port tot remote service.
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type Visitor interface {
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Run() error
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Close()
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}
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func NewVisitor(
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ctx context.Context,
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cfg config.VisitorConf,
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clientCfg config.ClientCommonConf,
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connectServer func() (net.Conn, error),
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msgTransporter transport.MessageTransporter,
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) (visitor Visitor) {
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xl := xlog.FromContextSafe(ctx).Spawn().AppendPrefix(cfg.GetBaseInfo().ProxyName)
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baseVisitor := BaseVisitor{
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clientCfg: clientCfg,
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connectServer: connectServer,
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msgTransporter: msgTransporter,
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ctx: xlog.NewContext(ctx, xl),
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}
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switch cfg := cfg.(type) {
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case *config.STCPVisitorConf:
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visitor = &STCPVisitor{
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BaseVisitor: &baseVisitor,
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cfg: cfg,
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}
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case *config.XTCPVisitorConf:
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visitor = &XTCPVisitor{
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BaseVisitor: &baseVisitor,
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cfg: cfg,
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startTunnelCh: make(chan struct{}),
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}
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case *config.SUDPVisitorConf:
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visitor = &SUDPVisitor{
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BaseVisitor: &baseVisitor,
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cfg: cfg,
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checkCloseCh: make(chan struct{}),
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}
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}
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return
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}
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type BaseVisitor struct {
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clientCfg config.ClientCommonConf
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connectServer func() (net.Conn, error)
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msgTransporter transport.MessageTransporter
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l net.Listener
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mu sync.RWMutex
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ctx context.Context
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}
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