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This commit is contained in:
V2Ray 2015-09-09 17:39:25 +02:00
parent 19308037e5
commit f09d65b2e5
3 changed files with 92 additions and 92 deletions
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102
io/bufferset.go
View File

@ -1,75 +1,75 @@
package io
import(
"errors"
import (
"errors"
)
const (
SizeSmall = 16
SizeMedium = 128
SizeLarge = 512
SizeSmall = 16
SizeMedium = 128
SizeLarge = 512
)
var (
ErrorNoChannel = errors.New("No suitable channels found.")
ErrorNoChannel = errors.New("No suitable channels found.")
)
type VBufferSet struct {
small chan []byte
medium chan []byte
large chan []byte
small chan []byte
medium chan []byte
large chan []byte
}
func NewVBufferSet() *VBufferSet {
bSet := new(VBufferSet)
bSet.small = make(chan []byte, 128)
bSet.medium = make(chan []byte, 128)
bSet.large = make(chan []byte, 128)
return bSet
bSet := new(VBufferSet)
bSet.small = make(chan []byte, 128)
bSet.medium = make(chan []byte, 128)
bSet.large = make(chan []byte, 128)
return bSet
}
func (bSet *VBufferSet) detectBucket(size int, strict bool) (chan []byte, error) {
if strict {
if size == SizeSmall {
return bSet.small, nil
} else if size == SizeMedium {
return bSet.medium, nil
} else if size == SizeLarge {
return bSet.large, nil
}
} else {
if size <= SizeSmall {
return bSet.small, nil
} else if size <= SizeMedium {
return bSet.medium, nil
} else if size <= SizeLarge {
return bSet.large, nil
}
}
return nil, ErrorNoChannel
if strict {
if size == SizeSmall {
return bSet.small, nil
} else if size == SizeMedium {
return bSet.medium, nil
} else if size == SizeLarge {
return bSet.large, nil
}
} else {
if size <= SizeSmall {
return bSet.small, nil
} else if size <= SizeMedium {
return bSet.medium, nil
} else if size <= SizeLarge {
return bSet.large, nil
}
}
return nil, ErrorNoChannel
}
func (bSet *VBufferSet) FetchBuffer(minSize int) []byte {
var buffer []byte
byteChan, err := bSet.detectBucket(minSize, false)
if err != nil {
return make([]byte, minSize)
}
select {
case buffer = <- byteChan:
default:
buffer = make([]byte, minSize)
}
return buffer
var buffer []byte
byteChan, err := bSet.detectBucket(minSize, false)
if err != nil {
return make([]byte, minSize)
}
select {
case buffer = <-byteChan:
default:
buffer = make([]byte, minSize)
}
return buffer
}
func (bSet *VBufferSet) ReturnBuffer(buffer []byte) {
byteChan, err := bSet.detectBucket(len(buffer), true)
if err != nil {
return
}
select {
case byteChan <- buffer:
default:
}
byteChan, err := bSet.detectBucket(len(buffer), true)
if err != nil {
return
}
select {
case byteChan <- buffer:
default:
}
}

2
io/config/json/json.go
View File

@ -4,7 +4,7 @@ package json
import (
"encoding/json"
_ "fmt"
"github.com/v2ray/v2ray-core"
)

80
net/freedom/freedom.go
View File

@ -1,62 +1,62 @@
package tcp
import (
"net"
"io"
"io"
"net"
)
type VFreeConnection struct {
network string
address string
network string
address string
}
func NewVFreeConnection(network string, address string) *VFreeConnection {
conn := new(VFreeConnection)
conn.network = network
conn.address = address
return conn
conn := new(VFreeConnection)
conn.network = network
conn.address = address
return conn
}
func (vconn *VFreeConnection) Start(input <-chan []byte) chan<- []byte {
output := make(chan []byte, 128)
conn, err := net.Dial(vconn.network, vconn.address)
if err != nil {
panic(err)
}
finish := make(chan bool, 2)
go vconn.DumpInput(conn, input, finish)
go vconn.DumpOutput(conn, output, finish)
go vconn.CloseConn(conn, finish)
return output
output := make(chan []byte, 128)
conn, err := net.Dial(vconn.network, vconn.address)
if err != nil {
panic(err)
}
finish := make(chan bool, 2)
go vconn.DumpInput(conn, input, finish)
go vconn.DumpOutput(conn, output, finish)
go vconn.CloseConn(conn, finish)
return output
}
func (vconn *VFreeConnection) DumpInput(conn net.Conn, input <-chan []byte, finish chan<- bool) {
for {
data, open := <-input
if !open {
finish <- true
break
}
conn.Write(data)
}
for {
data, open := <-input
if !open {
finish <- true
break
}
conn.Write(data)
}
}
func (vconn *VFreeConnection) DumpOutput(conn net.Conn, output chan<- []byte, finish chan<- bool) {
for {
buffer := make([]byte, 128)
nBytes, err := conn.Read(buffer)
if err == io.EOF {
finish <- true
break
}
output <- buffer[:nBytes]
}
for {
buffer := make([]byte, 128)
nBytes, err := conn.Read(buffer)
if err == io.EOF {
finish <- true
break
}
output <- buffer[:nBytes]
}
}
func (vconn *VFreeConnection) CloseConn(conn net.Conn, finish <-chan bool) {
for i := 0; i < 2; i++ {
<-finish
}
conn.Close()
for i := 0; i < 2; i++ {
<-finish
}
conn.Close()
}