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Added basic add_message function

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n07070 2020-04-28 17:48:41 +02:00
parent a178c76116
commit 25e703b993
2 changed files with 18 additions and 10 deletions
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24
src/node.c
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@ -214,7 +214,7 @@ pub_data *copy_data(unsigned char len, int64_t id, int16_t seqno, char *data) {
}
// Add new data to data list
void add_data(unsigned char len, int64_t id, int16_t seqno, char *data) {
int add_data(unsigned char len, int64_t id, int16_t seqno, char *data) {
print_debug(">> Adding data to the data list.");
// If id is the same as this node's id then we only update seqno
if(id == NODE_ID) {
@ -224,7 +224,7 @@ void add_data(unsigned char len, int64_t id, int16_t seqno, char *data) {
node_data->seqno = seqno ^ 1;
}
return;
return 1;
}
// Copy data
@ -236,7 +236,7 @@ void add_data(unsigned char len, int64_t id, int16_t seqno, char *data) {
data_list->data = (void*) new_data;
data_list->next = NULL;
return;
return 2;
}
// Find correct position for new data
@ -257,7 +257,7 @@ void add_data(unsigned char len, int64_t id, int16_t seqno, char *data) {
data_list->data = (void*) new_data;
data_list->next = tmp;
return;
return 2;
}
// Else, we update the last node
@ -278,13 +278,13 @@ void add_data(unsigned char len, int64_t id, int16_t seqno, char *data) {
// Free old data
free(cur_data);
return;
return 2;
}
// seqno is smaller so the new data allocated is freed and nothing else is done
free(new_data);
return;
return 2;
}
// Get next node in list
@ -299,6 +299,7 @@ void add_data(unsigned char len, int64_t id, int16_t seqno, char *data) {
new_node->data = (void*) new_data;
new_node->next = NULL;
last->next = new_node;
return 3;
}
/* ---- Fin fonctions utilitaires ---- */
@ -723,6 +724,11 @@ int check_header(char * received_data_buffer, int received_data_len, struct pack
}
int add_message(char * message, int message_len){
int seqno = 0;
int rc = add_data(message_len, NODE_ID ,seqno, message);
if (rc > 0) {
print_debug(">> Message added.");
}
return 0;
}
// We then look at the differents TLVs in the packet.
@ -925,8 +931,10 @@ int work_with_tlvs(char * data, int16_t total_packet_len, struct sockaddr_in6 *s
if (DEBUG_LEVEL > 0) {
printf("\n\t %s \n", (char *) cur_tlv.node_state->data);
}
add_data(cur_tlv.node_state->length - 26, cur_tlv.node_state->node_id, cur_tlv.node_state->seqno, cur_tlv.node_state->data);
int rc = add_data(cur_tlv.node_state->length - 26, cur_tlv.node_state->node_id, cur_tlv.node_state->seqno, cur_tlv.node_state->data);
if (rc < 0) {
print_debug(">> Error while adding note state !");
}
// The position is updated
tlv_len = data[pos+1];
pos += tlv_len + 2;

4
src/node.h
View File

@ -62,7 +62,7 @@ typedef struct list {
// The adress of the main peer
#define ROOT_PEER_ADDR "2001:660:3301:9200::51c2:1b9b"
// fonctions signatures
int listen_for_packets(char * received_data_buffer, int received_data_len, struct sockaddr_in6 * sender, int sock_fd);
@ -136,6 +136,6 @@ pub_data *get_data(int64_t id);
pub_data *copy_data(unsigned char len, int64_t id, int16_t seqno, char *data);
// add new data to data list
void add_data(unsigned char len, int64_t id, int16_t seqno, char *data);
int add_data(unsigned char len, int64_t id, int16_t seqno, char *data);
#endif