dazibao/tlv.h

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C
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#include <sys/socket.h>
#include <netinet/in.h>
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// 8 octets min (struct pointer 4 octets), 1024 octets max
typedef struct packet {
unsigned char magic; // 95 (si autre, ignorer)
unsigned char version; // 1 (si autre, ignorer)
short length; // 1020 max
char *body;
} packet;
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typedef union tlv {
pad1 *pad1;
padn *padn;
neighbour_req *neighbour_req;
neighbour *neighbour;
network_hash *network_hash;
network_state_req *network_state_req;
node_hash *node_hash;
node_state_req *node_state_req;
node_state *node_state;
warning *warning;
} tlv;
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// 1 octet
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typedef struct pad1 {
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unsigned unsigned char type;
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} pad1;
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// 2 octets min, 257 octets max (unsigned char 0 -> 255)
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typedef struct padn {
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unsigned char type;
unsigned char length;
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char *mbz;
} padn;
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// 2 octets
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typedef struct neighbour_req {
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unsigned char type;
unsigned char length;
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} neighbour_req;
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// 132 octets
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typedef struct neighbour {
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unsigned char type;
unsigned char length;
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struct in6_addr ip;
short port;
} neighbour;
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// 18 octets
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typedef struct network_hash {
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unsigned char type;
unsigned char length;
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char *network_hash;
} network_hash;
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// 2 octets
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typedef struct network_state_req {
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unsigned char type;
unsigned char length;
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} network_state_req;
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// 28 octets
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typedef struct node_hash {
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unsigned char type;
unsigned char length;
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long node_id;
short seqno;
char *node_hash;
} node_hash;
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// 10 octets
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typedef struct node_state_req {
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unsigned char type;
unsigned char length;
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long node_id;
} node_state_req;
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// 28 octets min, 220 octets max (data 0 -> 192)
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typedef struct node_state {
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unsigned char type;
unsigned char length;
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long node_id;
short seqno;
char *node_hash;
char *data;
} node_state;
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// 2 octets min, 257 ocets max (unsigned char 0 -> 255)
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typedef struct warning {
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unsigned char type;
unsigned char length;
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char *message;
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} warning;