1 files changed, 57 insertions, 0 deletions
diff --git a/ffd/packet.h b/ffd/packet.h
new file mode 100644
index 0000000..9252c4e
--- /dev/null
+++ b/ffd/packet.h
@@ -0,0 +1,57 @@
+/*
+  Copyright (c) 2012, Matthias Schiffer <mschiffer@universe-factory.net>
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#ifndef _FFD_PACKET_H_
+#define _FFD_PACKET_H_
+
+#include "util.h"
+
+
+typedef enum _ffd_packet_type_t {
+	PACKET_UNSPEC = 0,
+	PACKET_ANNOUNCE,
+	PACKET_ORIG,
+} ffd_packet_type_t;
+
+typedef struct __attribute__((packed)) _ffd_packet_head_t {
+	uint8_t version;
+	uint8_t type;
+} ffd_packet_head_t;
+
+typedef struct __attribute__((packed)) _ffd_packet_announce_t {
+	uint8_t version;
+	uint8_t type;
+	uint64_t self_rev;
+	uint8_t flags;
+	uint8_t n_origs;
+	uint64_t origs[];
+} ffd_packet_announce_t;
+
+
+#define PACKET_ANNOUNCE_MAX_ORIGS 16
+#define PACKET_ANNOUNCE_SIZE(n_origs) (sizeof(ffd_packet_announce_t) + (n_origs)*sizeof(uint64_t))
+
+#endif /* _FFD_PACKET_H_ */