mirror of https://github.com/v2ray/v2ray-core
63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
package tcp
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import (
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"net"
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"io"
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)
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type VFreeConnection struct {
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network string
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address string
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}
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func NewVFreeConnection(network string, address string) *VFreeConnection {
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conn := new(VFreeConnection)
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conn.network = network
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conn.address = address
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return conn
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}
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func (vconn *VFreeConnection) Start(input <-chan []byte) chan<- []byte {
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output := make(chan []byte, 128)
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conn, err := net.Dial(vconn.network, vconn.address)
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if err != nil {
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panic(err)
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}
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finish := make(chan bool, 2)
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go vconn.DumpInput(conn, input, finish)
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go vconn.DumpOutput(conn, output, finish)
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go vconn.CloseConn(conn, finish)
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return output
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}
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func (vconn *VFreeConnection) DumpInput(conn net.Conn, input <-chan []byte, finish chan<- bool) {
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for {
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data, open := <-input
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if !open {
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finish <- true
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break
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}
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conn.Write(data)
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}
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}
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func (vconn *VFreeConnection) DumpOutput(conn net.Conn, output chan<- []byte, finish chan<- bool) {
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for {
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buffer := make([]byte, 128)
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nBytes, err := conn.Read(buffer)
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if err == io.EOF {
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finish <- true
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break
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}
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output <- buffer[:nBytes]
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}
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}
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func (vconn *VFreeConnection) CloseConn(conn net.Conn, finish <-chan bool) {
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for i := 0; i < 2; i++ {
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<-finish
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}
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conn.Close()
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}
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