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Pack DHT nodes in save.

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TODO: Make DHT_size return exact size of DHT save.
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irungentoo 2015-07-12 21:16:54 -04:00
parent 6f5d1a3b8e
commit e7faa32844
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GPG Key ID: 10349DC9BED89E98
1 changed files with 15 additions and 11 deletions
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26
toxcore/DHT.c
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@ -2297,6 +2297,8 @@ static uint8_t *z_state_save_subheader(uint8_t *data, uint32_t len, uint16_t typ
return data; return data;
} }
#define MAX_SAVED_DHT_NODES ((DHT_FAKE_FRIEND_NUMBER * MAX_FRIEND_CLIENTS) + LCLIENT_LIST)
/* Save the DHT in data where data is an array of size DHT_size(). */ /* Save the DHT in data where data is an array of size DHT_size(). */
void DHT_save(DHT *dht, uint8_t *data) void DHT_save(DHT *dht, uint8_t *data)
{ {
@ -2310,7 +2312,7 @@ void DHT_save(DHT *dht, uint8_t *data)
/* get right offset. we write the actual header later. */ /* get right offset. we write the actual header later. */
data = z_state_save_subheader(data, 0, 0); data = z_state_save_subheader(data, 0, 0);
Node_format *clients = (Node_format *)data; Node_format clients[MAX_SAVED_DHT_NODES];
for (num = 0, i = 0; i < LCLIENT_LIST; ++i) { for (num = 0, i = 0; i < LCLIENT_LIST; ++i) {
if (dht->close_clientlist[i].assoc4.timestamp != 0) { if (dht->close_clientlist[i].assoc4.timestamp != 0) {
@ -2344,7 +2346,7 @@ void DHT_save(DHT *dht, uint8_t *data)
} }
} }
z_state_save_subheader(old_data, num * sizeof(Node_format), DHT_STATE_TYPE_NODES); z_state_save_subheader(old_data, pack_nodes(data, sizeof(Node_format) * num, clients, num), DHT_STATE_TYPE_NODES);
} }
/* Bootstrap from this number of nodes every time DHT_connect_after_load() is called */ /* Bootstrap from this number of nodes every time DHT_connect_after_load() is called */
@ -2381,25 +2383,27 @@ int DHT_connect_after_load(DHT *dht)
static int dht_load_state_callback(void *outer, const uint8_t *data, uint32_t length, uint16_t type) static int dht_load_state_callback(void *outer, const uint8_t *data, uint32_t length, uint16_t type)
{ {
DHT *dht = outer; DHT *dht = outer;
uint32_t num, i; int i;
switch (type) { switch (type) {
case DHT_STATE_TYPE_NODES: case DHT_STATE_TYPE_NODES:
if ((length % sizeof(Node_format)) != 0) if ((length % sizeof(Node_format)) != 0)
break; break;
{ /* localize declarations */ {
num = length / sizeof(Node_format);
Node_format *client_list = (Node_format *)data;
free(dht->loaded_nodes_list); free(dht->loaded_nodes_list);
// Copy to loaded_clients_list // Copy to loaded_clients_list
dht->loaded_nodes_list = calloc(num, sizeof(Node_format)); dht->loaded_nodes_list = calloc(MAX_SAVED_DHT_NODES, sizeof(Node_format));
for (i = 0; i < num; i++) int num = unpack_nodes(dht->loaded_nodes_list, MAX_SAVED_DHT_NODES, NULL, data, length, 0);
memcpy(&(dht->loaded_nodes_list[i]), &(client_list[i]), sizeof(Node_format));
dht->loaded_num_nodes = num; Node_format *client_list = (Node_format *)data;
if (num > 0) {
dht->loaded_num_nodes = num;
} else {
dht->loaded_num_nodes = 0;
}
} /* localize declarations */ } /* localize declarations */