56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
package hysteria2
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import (
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"github.com/sagernet/sing/common"
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E "github.com/sagernet/sing/common/exceptions"
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M "github.com/sagernet/sing/common/metadata"
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)
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func (s *serverSession) loopMessages() {
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for {
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message, err := s.quicConn.ReceiveMessage(s.ctx)
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if err != nil {
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s.closeWithError(E.Cause(err, "receive message"))
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return
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}
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hErr := s.handleMessage(message)
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if hErr != nil {
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s.closeWithError(E.Cause(hErr, "handle message"))
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return
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}
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}
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}
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func (s *serverSession) handleMessage(data []byte) error {
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message := allocMessage()
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err := decodeUDPMessage(message, data)
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if err != nil {
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message.release()
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return E.Cause(err, "decode UDP message")
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}
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s.handleUDPMessage(message)
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return nil
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}
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func (s *serverSession) handleUDPMessage(message *udpMessage) {
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s.udpAccess.RLock()
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udpConn, loaded := s.udpConnMap[message.sessionID]
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s.udpAccess.RUnlock()
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if !loaded || common.Done(udpConn.ctx) {
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udpConn = newUDPPacketConn(s.ctx, s.quicConn, func() {
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s.udpAccess.Lock()
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delete(s.udpConnMap, message.sessionID)
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s.udpAccess.Unlock()
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})
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udpConn.sessionID = message.sessionID
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s.udpAccess.Lock()
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s.udpConnMap[message.sessionID] = udpConn
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s.udpAccess.Unlock()
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go s.handler.NewPacketConnection(udpConn.ctx, udpConn, M.Metadata{
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Source: s.source,
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Destination: M.ParseSocksaddr(message.destination),
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})
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}
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udpConn.inputPacket(message)
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}
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