Start reorganization of low level library

[ngadmin] / raw / include / encoding.h

diff --git a/raw/include/encoding.h b/raw/include/encoding.h
new file mode 100644 (file)
index 0000000..1c21939
--- /dev/null
+++ b/raw/include/encoding.h
@@ -0,0 +1,50 @@
+
+#ifndef DEF_ENCODING
+#define DEF_ENCODING
+
+
+#include <stdbool.h>
+
+#include <netinet/ether.h>
+
+#include <protocol.h>
+#include <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, char code, const struct ether_addr *client_mac, const struct ether_addr *switch_mac, unsigned int seqnum);
+
+
+bool validateNsdpHeader (const struct nsdp_header *nh, char code, const struct ether_addr *client_mac, const struct ether_addr *switch_mac, unsigned int seqnum);
+
+
+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, unsigned char ports);
+
+
+int extractPacketAttributes (struct nsdp_packet *np, List *attr, unsigned char ports);
+
+
+#endif
+