1 files changed, 60 insertions, 0 deletions
diff --git a/src/dnswire/encoder.h b/src/dnswire/encoder.h
new file mode 100644
index 0000000..c5fbc6a
--- /dev/null
+++ b/src/dnswire/encoder.h
@@ -0,0 +1,60 @@
+/*
+ * Author Jerry Lundström <jerry@dns-oarc.net>
+ * Copyright (c) 2019, OARC, Inc.
+ * All rights reserved.
+ *
+ * This file is part of the dnswire library.
+ *
+ * dnswire library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * dnswire library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with dnswire library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <dnswire/dnswire.h>
+#include <dnswire/dnstap.h>
+
+#include <tinyframe/tinyframe.h>
+
+#ifndef __dnswire_h_encoder
+#define __dnswire_h_encoder 1
+
+enum dnswire_encoder_state {
+    dnswire_encoder_control_ready  = 0,
+    dnswire_encoder_control_start  = 1,
+    dnswire_encoder_control_accept = 2,
+    dnswire_encoder_control_finish = 3,
+    dnswire_encoder_frames         = 4,
+    dnswire_encoder_control_stop   = 5,
+    dnswire_encoder_done           = 6,
+};
+extern const char* const dnswire_encoder_state_string[];
+
+struct dnswire_encoder {
+    enum dnswire_encoder_state state;
+    struct tinyframe_writer    writer;
+    const struct dnstap*       dnstap;
+};
+
+#define DNSWIRE_ENCODER_INITIALIZER              \
+    {                                            \
+        .state  = dnswire_encoder_control_start, \
+        .writer = TINYFRAME_WRITER_INITIALIZER,  \
+        .dnstap = 0,                             \
+    }
+
+#define dnswire_encoder_set_dnstap(e, d) (e).dnstap = d
+#define dnswire_encoder_encoded(e) (e).writer.bytes_wrote
+
+enum dnswire_result dnswire_encoder_encode(struct dnswire_encoder*, uint8_t*, size_t);
+enum dnswire_result dnswire_encoder_stop(struct dnswire_encoder*);
+
+#endif