Added function to check if we were only connected to LAN DHT peers.

2 files changed, 29 insertions, 0 deletions

diff --git a/toxcore/DHT.c b/toxcore/DHT.c
index 5658d757..b963d8de 100644
--- a/toxcore/DHT.c
+++ b/toxcore/DHT.c
@@ -2413,6 +2413,7 @@ int DHT_load(DHT *dht, const uint8_t *data, uint32_t length)
 
     return -1;
 }
+
 /*  return 0 if we are not connected to the DHT.
  *  return 1 if we are.
  */
@@ -2431,3 +2432,25 @@ int DHT_isconnected(const DHT *dht)
 
     return 0;
 }
+
+/*  return 0 if we are not connected or only connected to lan peers with the DHT.
+ *  return 1 if we are.
+ */
+int DHT_non_lan_connected(const DHT *dht)
+{
+    uint32_t i;
+    unix_time_update();
+
+    for (i = 0; i < LCLIENT_LIST; ++i) {
+        const Client_data *client = &dht->close_clientlist[i];
+
+        if (!is_timeout(client->assoc4.timestamp, BAD_NODE_TIMEOUT) && LAN_ip(client->assoc4.ip_port.ip) == -1)
+            return 1;
+
+        if (!is_timeout(client->assoc6.timestamp, BAD_NODE_TIMEOUT) && LAN_ip(client->assoc6.ip_port.ip) == -1)
+            return 1;
+
+    }
+
+    return 0;
+}
diff --git a/toxcore/DHT.h b/toxcore/DHT.h
index ea94e4ca..563ae08c 100644
--- a/toxcore/DHT.h
+++ b/toxcore/DHT.h
@@ -386,6 +386,12 @@ void kill_DHT(DHT *dht);
  */
 int DHT_isconnected(const DHT *dht);
 
+/*  return 0 if we are not connected or only connected to lan peers with the DHT.
+ *  return 1 if we are.
+ */
+int DHT_non_lan_connected(const DHT *dht);
+
+
 int addto_lists(DHT *dht, IP_Port ip_port, const uint8_t *client_id);
 
 #endif