Added new structures for the messages, the neighbours, and broke line
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14
src/node.c
14
src/node.c
@ -7,9 +7,10 @@ packet listen_for_packets(){
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}
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// We need to make sure the TLV announces a length that will no go onto
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// another tlv, as we might end up reading bullshit.
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int validate_tlvs(union tlv tlv_to_validate){
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// We need to make sure the TLV announces a length that will no go onto
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// another tlv, as we might end up reading bullshit.
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}
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void work_with_tlvs(struct tlvs_list receivied_tlvs){
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@ -17,7 +18,7 @@ void work_with_tlvs(struct tlvs_list receivied_tlvs){
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// For every TLV,
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// We make sure the TLV is legal.
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if(!validate_tlvs(tlv)){
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perror(">> Invalid TLV receivied, is will be ignored.");
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perror(">> Invalid TLV receivied, it will be ignored.");
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}
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// Switch
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@ -52,11 +53,14 @@ void work_with_tlvs(struct tlvs_list receivied_tlvs){
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}
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int main(int argc, char const *argv[]) {
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while(CONTINUE){
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int continue = 1;
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while(continue){
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// We create the neighbourhood table
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neighbour_peer neighbour_list[NEIGHBOUR_MAX];
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// We create the message table
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// We create our own message.
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// Listen for incoming packets
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34
src/node.h
34
src/node.h
@ -3,6 +3,40 @@
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#ifndef NODE_H
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#define NODE_H
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// The node ID
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#define NODE_ID 203242402519736214145149136169422092269247115186189140178187251487819615911212154252117172522111472481308026129190139512419121015210238252292031613214452118122204415160254
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// The number of neighbours
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// The neighbour table has 15 entries
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#define NEIGHBOUR_MAX 15
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/* la table de voisins, qui est indexée par adresses de socket (des paires (IP, Port)),
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* et dont chaque entrée contient un booléen indiquant si le pair est permanent
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* (configuré au lancement) ou transitoire, et la date de dernière réception d’un
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* paquet de la part de ce pair ;
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*/
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typedef struct neighbour_peer {
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struct in6_addr ip;
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short port;
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char is_temporary;
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struct timeval last_seen;
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} neighbour_peer;
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// The strucuture to hold the messages
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/* It's a list of triplets, (Li,Si,Di)
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* Li : The Node ID of the publisher 64 bits
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* Si : the sequence number 16 bits
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* Di : the data of the message 192 bytes
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*/
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typedef struct message {
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long node_id_publisher;
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short seqno;
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char *data;
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} message;
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// TODO
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// fonctions signatures
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void listen_for_packets();
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@ -10,12 +10,13 @@ cmd_token parse_cmd() {
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if(fgets(buf, 198, stdin) == NULL)
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return token;
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// cmd sera le premier mot rencontré et arg la suite de mots après celui ci, si les deux variables ne sont pas remplies alors il y a une erreur
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// cmd sera le premier mot rencontré et arg la suite de mots après celui ci,
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// si les deux variables ne sont pas remplies alors il y a une erreur
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if(sscanf(buf, "%s %[^\t\n]", cmd, arg) != 2)
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return token;
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if(strcmp("req", cmd) == 0) {
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if(strcmp("neighbour", arg) == 0)
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if(strcmp("neighbour", arg) == 0)
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token.type = NEIGHBOUR_REQ;
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else if(strcmp("network state", arg) == 0)
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token.type = NETWORK_STATE_REQ;
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@ -28,4 +29,4 @@ cmd_token parse_cmd() {
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}
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return token;
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}
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}
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