Squashed 'external/toxcore/c-toxcore/' changes from 03e9fbf3703..e740b4e3b2e

e740b4e3b2e feat: Implement Tox network profiler

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: e740b4e3b2e3aa594ab259e2a80153f5eed8fd16

toxcore/TCP_connection.h

@@ -21,6 +21,7 @@
 #include "logger.h"
 #include "mem.h"
 #include "mono_time.h"
+#include "net_profile.h"
 #include "network.h"
 
 #define TCP_CONN_NONE 0
@@ -317,4 +318,11 @@ void do_tcp_connections(const Logger *logger, TCP_Connections *tcp_c, void *user
 nullable(1)
 void kill_tcp_connections(TCP_Connections *tcp_c);
 
+/** @brief a pointer to the tcp client net profile associated with tcp_c.
+ *
+ * @retval null if tcp_c is null.
+ */
+non_null()
+const Net_Profile *tcp_connection_get_client_net_profile(const TCP_Connections *tcp_c);
+
 #endif /* C_TOXCORE_TOXCORE_TCP_CONNECTION_H */