Raw: refactor attribute encoding and decoding

[ngadmin] / raw / include / nsdp / packet.h

diff --git a/raw/include/nsdp/packet.h b/raw/include/nsdp/packet.h
new file mode 100644 (file)
index 0000000..21c1569
--- /dev/null
+++ b/raw/include/nsdp/packet.h
@@ -0,0 +1,51 @@
+
+#ifndef DEF_ENCODING
+#define DEF_ENCODING
+
+
+#include <stdbool.h>
+
+#include <netinet/ether.h>
+
+#include <nsdp/protocol.h>
+#include <nsdp/net.h>
+#include <nsdp/list.h>
+
+
+struct nsdp_packet {
+       union {
+               unsigned char *buffer;
+               struct nsdp_header *nh;
+       };
+       int maxlen;
+       struct attr_header *ah;
+};
+
+
+
+void initNsdpHeader (struct nsdp_header *nh, const struct nsdp_cmd *nc);
+
+
+bool extractNsdpHeader (const struct nsdp_header *nh, struct nsdp_cmd *nc);
+
+
+static inline void initNsdpPacket (struct nsdp_packet *np)
+{
+       np->ah = (struct attr_header*)np->nh->data;
+}
+
+
+static inline int getPacketTotalSize (const struct nsdp_packet *np)
+{
+       return ((unsigned char*)np->ah) - np->buffer;
+}
+
+
+int addPacketAttributes (struct nsdp_packet *np, const List* attr);
+
+
+int extractPacketAttributes (struct nsdp_packet *np, List *attr);
+
+
+#endif
+