Tox should work better on TCP only when some people have broken TCP

nodes and don't update them.

Paths now try to use the same TCP node for their entire lifetime.

1 files changed, 9 insertions, 2 deletions

diff --git a/toxcore/net_crypto.h b/toxcore/net_crypto.h
index b9fb1747..9d699340 100644
--- a/toxcore/net_crypto.h
+++ b/toxcore/net_crypto.h
@@ -364,12 +364,19 @@ int add_tcp_relay(Net_Crypto *c, IP_Port ip_port, const uint8_t *public_key);
 void tcp_onion_response_handler(Net_Crypto *c, int (*tcp_onion_callback)(void *object, const uint8_t *data,
                                 uint16_t length), void *object);
 
-/* Send an onion packet via a random connected TCP relay.
+/* Return a random TCP connection number for use in send_tcp_onion_request.
+ *
+ * return TCP connection number on success.
+ * return -1 on failure.
+ */
+int get_random_tcp_con_number(Net_Crypto *c);
+
+/* Send an onion packet via the TCP relay corresponding to TCP_conn_number.
  *
  * return 0 on success.
  * return -1 on failure.
  */
-int send_tcp_onion_request(Net_Crypto *c, const uint8_t *data, uint16_t length);
+int send_tcp_onion_request(Net_Crypto *c, unsigned int TCP_conn_number, const uint8_t *data, uint16_t length);
 
 /* Copy a maximum of num TCP relays we are connected to to tcp_relays.
  * NOTE that the family of the copied ip ports will be set to TCP_INET or TCP_INET6.