tox.*, Messenger.*:

- initialisation: argument added to enable/disable ipv6 as socket

Messenger_test.c:
- initialisation: ipv4 hardcoded for now
- delegating IP resolution to DHT_bootstrap_ex()

auto_tests/messenger_test.c

@@ -274,7 +274,8 @@ int main(int argc, char *argv[])
     good_id_b = hex_string_to_bin(good_id_b_str);
     bad_id    = hex_string_to_bin(bad_id_str);
 
-    m = initMessenger();
+    /* no IPv6 enabled yet */
+    m = initMessenger(0);
 
     /* setup a default friend and friendnum */
     if (m_addfriend_norequest(m, (uint8_t *)friend_id) < 0)

testing/Messenger_test.c

@@ -100,7 +100,8 @@ int main(int argc, char *argv[])
         exit(0);
     }
 
-    m = initMessenger();
+    /* IPv6: maybe allow from cmdline --ipv6? sticking to IPv4 for now */
+    m = initMessenger(0);
 
     if ( !m ) {
         fputs("Failed to allocate messenger datastructure\n", stderr);
@@ -108,10 +109,8 @@ int main(int argc, char *argv[])
     }
 
     if (argc > 3) {
-        IP_Port bootstrap_ip_port;
-        bootstrap_ip_port.port = htons(atoi(argv[2]));
-        bootstrap_ip_port.ip.uint32 = inet_addr(argv[1]);
-        DHT_bootstrap(m->dht, bootstrap_ip_port, hex_string_to_bin(argv[3]));
+        uint16_t port = htons(atoi(argv[2]));
+        DHT_bootstrap_ex(m->dht, argv[1], port, hex_string_to_bin(argv[3]));
     } else {
         FILE *file = fopen(argv[1], "rb");
 

toxcore/Messenger.c

@@ -650,15 +650,21 @@ static void LANdiscovery(Messenger *m)
 }
 
 /* Run this at startup. */
-Messenger *initMessenger(void)
+Messenger *initMessenger(uint8_t ipv6enabled)
 {
     Messenger *m = calloc(1, sizeof(Messenger));
 
     if ( ! m )
         return NULL;
 
+#ifdef NETWORK_IP_PORT_IS_IPV6
+    IPAny ip;
+    memset(&ip, 0, sizeof(ip));
+    ip.family = ipv6enabled ? AF_INET6 : AF_INET;
+#else
     IP4 ip;
     ip.uint32 = 0;
+#endif
     m->net = new_networking(ip, PORT);
 
     if (m->net == NULL) {

toxcore/Messenger.h

@@ -367,7 +367,7 @@ void m_callback_connectionstatus(Messenger *m, void (*function)(Messenger *m, in
  *  return allocated instance of Messenger on success.
  *  return 0 if there are problems.
  */
-Messenger *initMessenger(void);
+Messenger *initMessenger(uint8_t ipv6enabled);
 
 /* Run this before closing shop
  * Free all datastructures.

toxcore/tox.c

@@ -394,9 +394,13 @@ int tox_isconnected(void *tox)
  *  return allocated instance of tox on success.
  *  return 0 if there are problems.
  */
+void *tox_new_ex(uint8_t ipv6enabled)
+{
+    return initMessenger(ipv6enabled);
+}
 void *tox_new(void)
 {
-    return initMessenger();
+    return tox_new_ex(0);
 }
 
 /* Run this before closing shop.

toxcore/tox.h

@@ -50,6 +50,8 @@ typedef struct {
     uint16_t padding;
 } tox_IP_Port;
 
+#define TOX_IP_IS_IPV6 0
+
 /* Errors for m_addfriend
  * FAERR - Friend Add Error
  */
@@ -307,6 +309,7 @@ int tox_isconnected(Tox *tox);
  *  return 0 if there are problems.
  */
 Tox *tox_new(void);
+Tox *tox_new_ex(uint8_t ipv6enabled);
 
 /* Run this before closing shop.
  * Free all datastructures. */