wip 1

server/reconstructed_conn.go

@@ -0,0 +1,30 @@
+package server
+
+import (
+	"bytes"
+	"io"
+	"net"
+)
+
+var _ io.ReadWriteCloser = (*reconstructedConn)(nil)
+
+// reconstructedConn wraps a net.Conn and overrides Read to handle captured data.
+type reconstructedConn struct {
+	net.Conn
+	reader io.Reader
+}
+
+// Read reads from the reconstructed reader (captured data + original conn).
+func (rc *reconstructedConn) Read(p []byte) (n int, err error) {
+	return rc.reader.Read(p)
+}
+
+// newReconstructedConn creates a reconstructed connection that replays captured data
+// before reading from the original connection.
+func newReconstructedConn(conn net.Conn, capturedData *bytes.Buffer) net.Conn {
+	allReader := io.MultiReader(capturedData, conn)
+	return &reconstructedConn{
+		Conn:   conn,
+		reader: allReader,
+	}
+}