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Improve QUIC sniffer

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This commit is contained in:
世界
2024-07-07 15:45:50 +08:00
parent 3a7acaa92a
commit 9dc3bb975a
30 changed files with 1014 additions and 241 deletions
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29
common/sniff/sniff.go
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@@ -14,8 +14,8 @@ import (
)
type (
StreamSniffer = func(ctx context.Context, reader io.Reader) (*adapter.InboundContext, error)
PacketSniffer = func(ctx context.Context, packet []byte) (*adapter.InboundContext, error)
StreamSniffer = func(ctx context.Context, metadata *adapter.InboundContext, reader io.Reader) error
PacketSniffer = func(ctx context.Context, metadata *adapter.InboundContext, packet []byte) error
)
func Skip(metadata adapter.InboundContext) bool {
@@ -34,7 +34,7 @@ func Skip(metadata adapter.InboundContext) bool {
return false
}
func PeekStream(ctx context.Context, conn net.Conn, buffer *buf.Buffer, timeout time.Duration, sniffers ...StreamSniffer) (*adapter.InboundContext, error) {
func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.Conn, buffer *buf.Buffer, timeout time.Duration, sniffers ...StreamSniffer) error {
if timeout == 0 {
timeout = C.ReadPayloadTimeout
}
@@ -43,7 +43,7 @@ func PeekStream(ctx context.Context, conn net.Conn, buffer *buf.Buffer, timeout
for i := 0; ; i++ {
err := conn.SetReadDeadline(deadline)
if err != nil {
return nil, E.Cause(err, "set read deadline")
return E.Cause(err, "set read deadline")
}
_, err = buffer.ReadOnceFrom(conn)
_ = conn.SetReadDeadline(time.Time{})
@@ -51,29 +51,28 @@ func PeekStream(ctx context.Context, conn net.Conn, buffer *buf.Buffer, timeout
if i > 0 {
break
}
return nil, E.Cause(err, "read payload")
return E.Cause(err, "read payload")
}
errors = nil
var metadata *adapter.InboundContext
for _, sniffer := range sniffers {
metadata, err = sniffer(ctx, bytes.NewReader(buffer.Bytes()))
if metadata != nil {
return metadata, nil
err = sniffer(ctx, metadata, bytes.NewReader(buffer.Bytes()))
if err == nil {
return nil
}
errors = append(errors, err)
}
}
return nil, E.Errors(errors...)
return E.Errors(errors...)
}
func PeekPacket(ctx context.Context, packet []byte, sniffers ...PacketSniffer) (*adapter.InboundContext, error) {
func PeekPacket(ctx context.Context, metadata *adapter.InboundContext, packet []byte, sniffers ...PacketSniffer) error {
var errors []error
for _, sniffer := range sniffers {
metadata, err := sniffer(ctx, packet)
if metadata != nil {
return metadata, nil
err := sniffer(ctx, metadata, packet)
if err == nil {
return nil
}
errors = append(errors, err)
}
return nil, E.Errors(errors...)
return E.Errors(errors...)
}