mirror of https://github.com/v2ray/v2ray-core
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
1.6 KiB
81 lines
1.6 KiB
package freedom
|
|
|
|
import (
|
|
"io"
|
|
"net"
|
|
"sync"
|
|
|
|
"github.com/v2ray/v2ray-core/common/alloc"
|
|
v2io "github.com/v2ray/v2ray-core/common/io"
|
|
"github.com/v2ray/v2ray-core/common/log"
|
|
v2net "github.com/v2ray/v2ray-core/common/net"
|
|
"github.com/v2ray/v2ray-core/common/retry"
|
|
"github.com/v2ray/v2ray-core/transport/dialer"
|
|
"github.com/v2ray/v2ray-core/transport/ray"
|
|
)
|
|
|
|
type FreedomConnection struct {
|
|
}
|
|
|
|
func (this *FreedomConnection) Dispatch(destination v2net.Destination, payload *alloc.Buffer, ray ray.OutboundRay) error {
|
|
log.Info("Freedom: Opening connection to ", destination)
|
|
|
|
defer payload.Release()
|
|
defer ray.OutboundInput().Release()
|
|
|
|
var conn net.Conn
|
|
err := retry.Timed(5, 100).On(func() error {
|
|
rawConn, err := dialer.Dial(destination)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
conn = rawConn
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
log.Error("Freedom: Failed to open connection to ", destination, ": ", err)
|
|
return err
|
|
}
|
|
defer conn.Close()
|
|
|
|
input := ray.OutboundInput()
|
|
output := ray.OutboundOutput()
|
|
var readMutex, writeMutex sync.Mutex
|
|
readMutex.Lock()
|
|
writeMutex.Lock()
|
|
|
|
conn.Write(payload.Value)
|
|
|
|
go func() {
|
|
v2writer := v2io.NewAdaptiveWriter(conn)
|
|
defer v2writer.Release()
|
|
|
|
v2io.Pipe(input, v2writer)
|
|
writeMutex.Unlock()
|
|
}()
|
|
|
|
go func() {
|
|
defer readMutex.Unlock()
|
|
defer output.Close()
|
|
|
|
var reader io.Reader = conn
|
|
|
|
if destination.IsUDP() {
|
|
reader = v2net.NewTimeOutReader(16 /* seconds */, conn)
|
|
}
|
|
|
|
v2reader := v2io.NewAdaptiveReader(reader)
|
|
defer v2reader.Release()
|
|
|
|
v2io.Pipe(v2reader, output)
|
|
}()
|
|
|
|
writeMutex.Lock()
|
|
if tcpConn, ok := conn.(*net.TCPConn); ok {
|
|
tcpConn.CloseWrite()
|
|
}
|
|
readMutex.Lock()
|
|
|
|
return nil
|
|
}
|