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Function to save path nodes.

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Forgot to commit it with before last commit.
This commit is contained in:
irungentoo 2014-08-14 17:34:42 -04:00
parent cb815f7584
commit f0b2cd7ad2
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2 changed files with 32 additions and 0 deletions
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26
toxcore/onion_client.c
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@ -59,6 +59,32 @@ int onion_add_path_node(Onion_Client *onion_c, IP_Port ip_port, const uint8_t *c
return 0;
}
/* Put up to max_num nodes in nodes.
*
* return the number of nodes.
*/
uint16_t onion_backup_nodes(const Onion_Client *onion_c, Node_format *nodes, uint16_t max_num)
{
unsigned int i;
if (!max_num)
return 0;
unsigned int num_nodes = (onion_c->path_nodes_index < MAX_PATH_NODES) ? onion_c->path_nodes_index : MAX_PATH_NODES;
if (num_nodes == 0)
return 0;
if (num_nodes < max_num)
max_num = num_nodes;
for (i = 0; i < max_num; ++i) {
nodes[i] = onion_c->path_nodes[(onion_c->path_nodes_index - (1 + i)) % num_nodes];
}
return max_num;
}
/* Put up to max_num random nodes in nodes.
*
* return the number of nodes.

6
toxcore/onion_client.h
View File

@ -145,6 +145,12 @@ typedef struct {
*/
int onion_add_path_node(Onion_Client *onion_c, IP_Port ip_port, const uint8_t *client_id);
/* Put up to max_num nodes in nodes.
*
* return the number of nodes.
*/
uint16_t onion_backup_nodes(const Onion_Client *onion_c, Node_format *nodes, uint16_t max_num);
/* Add a friend who we want to connect to.
*
* return -1 on failure.