From 834ffee47dab5a03c0a0f8d08809c377f7b8ef7c Mon Sep 17 00:00:00 2001
From: irungentoo <irungentoo@gmail.com>
Date: Sat, 27 Sep 2014 08:00:42 -0400
Subject: Make the ip port from DHT timeout after a while.

Some small fixes.
---
 toxcore/DHT.c       | 26 ++++++++++++++++++++------
 toxcore/Messenger.c |  9 +++++++++
 toxcore/Messenger.h |  4 ++--
 3 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/toxcore/DHT.c b/toxcore/DHT.c
index f7d460d8..db03def1 100644
--- a/toxcore/DHT.c
+++ b/toxcore/DHT.c
@@ -708,29 +708,43 @@ int addto_lists(DHT *dht, IP_Port ip_port, const uint8_t *client_id)
     } else
         used++;
 
+    DHT_Friend *friend_foundip = 0;
+
     for (i = 0; i < dht->num_friends; ++i) {
         if (!client_or_ip_port_in_list(dht->friends_list[i].client_list,
                                        MAX_FRIEND_CLIENTS, client_id, ip_port)) {
             if (replace_all(dht->friends_list[i].client_list, MAX_FRIEND_CLIENTS,
                             client_id, ip_port, dht->friends_list[i].client_id)) {
+
                 DHT_Friend *friend = &dht->friends_list[i];
 
                 if (memcmp(client_id, friend->client_id, CLIENT_ID_SIZE) == 0) {
-                    uint32_t j;
-
-                    for (j = 0; j < friend->lock_count; ++j) {
-                        if (friend->callbacks[j].ip_callback)
-                            friend->callbacks[j].ip_callback(friend->callbacks[j].data, friend->callbacks[j].number, ip_port);
-                    }
+                    friend_foundip = friend;
                 }
 
                 used++;
             }
         } else {
+            DHT_Friend *friend = &dht->friends_list[i];
+
+            if (memcmp(client_id, friend->client_id, CLIENT_ID_SIZE) == 0) {
+                friend_foundip = friend;
+            }
+
             used++;
         }
     }
 
+    if (friend_foundip) {
+        uint32_t j;
+
+        for (j = 0; j < friend_foundip->lock_count; ++j) {
+            if (friend_foundip->callbacks[j].ip_callback)
+                friend_foundip->callbacks[j].ip_callback(friend_foundip->callbacks[j].data, friend_foundip->callbacks[j].number,
+                        ip_port);
+        }
+    }
+
 #ifdef ENABLE_ASSOC_DHT
 
     if (dht->assoc) {
diff --git a/toxcore/Messenger.c b/toxcore/Messenger.c
index df736ebe..8faa7f03 100644
--- a/toxcore/Messenger.c
+++ b/toxcore/Messenger.c
@@ -183,6 +183,7 @@ static void dht_ip_callback(void *data, int32_t number, IP_Port ip_port)
 
     set_direct_ip_port(m->net_crypto, m->friendlist[number].crypt_connection_id, ip_port);
     m->friendlist[number].dht_ip_port = ip_port;
+    m->friendlist[number].dht_ip_port_lastrecv = unix_time();
 }
 
 /* Callback for dht public key changes. */
@@ -1629,10 +1630,14 @@ static int handle_new_connections(void *object, New_Connection *n_c)
 
         if (n_c->source.ip.family != AF_INET && n_c->source.ip.family != AF_INET6) {
             set_direct_ip_port(m->net_crypto, m->friendlist[friend_id].crypt_connection_id, m->friendlist[friend_id].dht_ip_port);
+        } else {
+            m->friendlist[friend_id].dht_ip_port = n_c->source;
+            m->friendlist[friend_id].dht_ip_port_lastrecv = unix_time();
         }
 
         dht_pk_callback(m, friend_id, n_c->dht_public_key);
 
+        nc_dht_pk_callback(m->net_crypto, id, &dht_pk_callback, m, friend_id);
         return 0;
     }
 
@@ -2410,6 +2415,10 @@ void do_friends(Messenger *m)
                         m->friendlist[i].dht_lock = 0;
                     }
                 }
+
+                if (m->friendlist[i].dht_ip_port_lastrecv + FRIEND_DHT_TIMEOUT < temp_time) {
+                    m->friendlist[i].dht_ip_port.ip.family = 0;
+                }
             }
 
             if (friend_new_connection(m, i, m->friendlist[i].client_id) == 0) {
diff --git a/toxcore/Messenger.h b/toxcore/Messenger.h
index 36da8425..60d00225 100644
--- a/toxcore/Messenger.h
+++ b/toxcore/Messenger.h
@@ -120,7 +120,7 @@ enum {
 #define AVATAR_DATA_TRANSFER_LIMIT  (10*AVATAR_MAX_DATA_LENGTH)
 #define AVATAR_DATA_TRANSFER_TIMEOUT    (60) /* 164kB every 60 seconds is not a lot */
 
-#define FRIEND_DHT_TIMEOUT (5 * 60) /* Time before friend is removed from the DHT after last hearing about him. */
+#define FRIEND_DHT_TIMEOUT BAD_NODE_TIMEOUT /* Time before friend is removed from the DHT after last hearing about him. */
 
 /* USERSTATUS -
  * Represents userstatuses someone can have.
@@ -201,7 +201,7 @@ typedef struct {
     uint8_t dht_temp_pk[crypto_box_PUBLICKEYBYTES];
     uint16_t dht_lock;
     IP_Port dht_ip_port;
-    uint64_t dht_ping_lastrecv;
+    uint64_t dht_ping_lastrecv, dht_ip_port_lastrecv;
 
     uint32_t onion_friendnum;
     int crypt_connection_id;
-- 
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