mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-10-19 02:03:38 -04:00
82 lines
2.4 KiB
Go
82 lines
2.4 KiB
Go
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package packetconn
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import (
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"io"
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gonet "net"
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"sync"
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"time"
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"golang.org/x/net/context"
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"github.com/v2fly/v2ray-core/v5/common/environment"
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"github.com/v2fly/v2ray-core/v5/common/environment/envctx"
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"github.com/v2fly/v2ray-core/v5/common/net"
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"github.com/v2fly/v2ray-core/v5/transport/internet"
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"github.com/v2fly/v2ray-core/v5/transport/internet/request"
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)
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type udpAssemblerClient struct {
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ctx context.Context
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streamSettings *internet.MemoryStreamConfig
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assembly request.TransportClientAssembly
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req2connc *requestToPacketConnClient
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}
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func (u *udpAssemblerClient) NewSession(ctx context.Context, opts ...request.SessionOption) (request.Session, error) {
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return u.dial(net.Destination{})
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}
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func (u *udpAssemblerClient) OnTransportClientAssemblyReady(assembly request.TransportClientAssembly) {
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u.assembly = assembly
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u.req2connc.OnTransportClientAssemblyReady(assembly)
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}
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func newWrappedConn(in io.ReadWriteCloser) net.Conn {
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return wrappedConn{in}
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}
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type wrappedConn struct {
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io.ReadWriteCloser
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}
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func (w wrappedConn) LocalAddr() gonet.Addr {
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return nil
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}
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func (w wrappedConn) RemoteAddr() gonet.Addr {
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return nil
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}
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func (w wrappedConn) SetDeadline(t time.Time) error {
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return nil
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}
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func (w wrappedConn) SetReadDeadline(t time.Time) error {
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return nil
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}
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func (w wrappedConn) SetWriteDeadline(t time.Time) error {
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return nil
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}
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func newWrappedPacketConn(ctx context.Context) *wrappedPacketConn {
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ctxWithCancel, cancel := context.WithCancel(ctx)
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return &wrappedPacketConn{
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conn: make(map[string]*serverSession),
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readChan: make(chan packet, 16), ctx: ctxWithCancel, finish: cancel, connLock: &sync.Mutex{},
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}
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}
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func newUDPAssemblerClient(ctx context.Context, config *ClientConfig, streamSettings *internet.MemoryStreamConfig) *udpAssemblerClient {
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transportEnvironment := envctx.EnvironmentFromContext(ctx).(environment.TransportEnvironment)
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transportEnvironmentWrapped := &wrappedTransportEnvironment{TransportEnvironment: transportEnvironment}
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transportEnvironmentWrapped.client, _ = newRequestToPacketConnClient(ctx, config)
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wrappedContext := envctx.ContextWithEnvironment(ctx, transportEnvironmentWrapped)
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return &udpAssemblerClient{ctx: wrappedContext, streamSettings: streamSettings, req2connc: transportEnvironmentWrapped.client}
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}
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func (u *udpAssemblerClient) dial(dest net.Destination) (internet.Connection, error) {
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_ = dest
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return internet.Dial(u.ctx, net.TCPDestination(net.LocalHostIP, 0), u.streamSettings)
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}
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