Squashed 'external/toxcore/c-toxcore/' changes from 11ab1d2a723..d9b8fa6098d

d9b8fa6098d fix: Fake broadcast address for 127.x.x.x
aa649165a57 chore: Add code for future netprof TCP testing
9e5693de5ac chore: add to_string functions for netprof enums
52d915e6a90 cleanup: Heap allocate network profile objects
80fabd4a729 feat: Implement Tox network profiler
05abe083cb6 cleanup: Some random cleanups, mostly related to mem.
5cca24513b8 cleanup: Check that onion IP/Port packing worked.
e092ecd1244 cleanup: Use tox memory allocator in some more places.
3cfe41c7587 fix: Avoid `memcpy`-ing structs into onion ping id data.
e32ac001938 fix: Add more information on why the frame was not sent.
ab887003687 fix: Allow TCP connections to fail `connect` calls.
7603170e663 refactor: Use tox memory in group connection allocations.
5bd8a85eb89 cleanup: Align internal logger with external on type of source line.
e9bf524d9e1 cleanup: Add missing `#include` to sort_test.cc.
d10c966b998 feat: Add `to_string` functions for toxencryptsave errors.
7bfd0dc8003 docs: Update the docs for group join functions
380dde9f2ae test: Add more logging to TCP connection constructor.
0f12f384c8c cleanup: Reduce stack frame sizes to below 4096 bytes.
bc43cec0626 chore: Happy new year!
fbe78f1702e cleanup: Add a `TOX_HIDE_DEPRECATED` check to hide deprecated symbols.
44d9da07e77 refactor: Use tox memory for group moderation/pack allocations.
7f26d520168 refactor: Use tox memory in group chats allocations.
2f62f3d0e77 refactor: Use tox Memory for group allocations.
8a968162041 chore: Add dispatch/events headers to bazel export.
2bbfb35abf6 docs: Output the error code string instead of int. in toxav logging
d55d0e4eaef cleanup: Remove redundant code for checking if group exists
2a6dc643338 chore: Upgrade dependencies for websockify.
fc0650601c1 fix: Allow peers to reconnect to group chats using a password

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: d9b8fa6098de6c074038b6664d2572627540b148

toxcore/TCP_connection.c

@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-3.0-or-later
- * Copyright © 2016-2018 The TokTok team.
+ * Copyright © 2016-2025 The TokTok team.
  * Copyright © 2015 Tox project.
  */
 
@@ -20,6 +20,7 @@
 #include "logger.h"
 #include "mem.h"
 #include "mono_time.h"
+#include "net_profile.h"
 #include "network.h"
 #include "util.h"
 
@@ -56,6 +57,9 @@ struct TCP_Connections {
 
     bool onion_status;
     uint16_t onion_num_conns;
+
+    /* Network profile for all TCP client packets. */
+    Net_Profile *net_profile;
 };
 
 static const TCP_Connection_to empty_tcp_connection_to = {0};
@@ -928,7 +932,8 @@ static int reconnect_tcp_relay_connection(TCP_Connections *tcp_c, int tcp_connec
     uint8_t relay_pk[CRYPTO_PUBLIC_KEY_SIZE];
     memcpy(relay_pk, tcp_con_public_key(tcp_con->connection), CRYPTO_PUBLIC_KEY_SIZE);
     kill_tcp_connection(tcp_con->connection);
-    tcp_con->connection = new_tcp_connection(tcp_c->logger, tcp_c->mem, tcp_c->mono_time, tcp_c->rng, tcp_c->ns, &ip_port, relay_pk, tcp_c->self_public_key, tcp_c->self_secret_key, &tcp_c->proxy_info);
+    tcp_con->connection = new_tcp_connection(tcp_c->logger, tcp_c->mem, tcp_c->mono_time, tcp_c->rng, tcp_c->ns, &ip_port, relay_pk, tcp_c->self_public_key, tcp_c->self_secret_key, &tcp_c->proxy_info,
+                          tcp_c->net_profile);
 
     if (tcp_con->connection == nullptr) {
         kill_tcp_relay_connection(tcp_c, tcp_connections_number);
@@ -1017,7 +1022,7 @@ static int unsleep_tcp_relay_connection(TCP_Connections *tcp_c, int tcp_connecti
 
     tcp_con->connection = new_tcp_connection(
                               tcp_c->logger, tcp_c->mem, tcp_c->mono_time, tcp_c->rng, tcp_c->ns, &tcp_con->ip_port,
-                              tcp_con->relay_pk, tcp_c->self_public_key, tcp_c->self_secret_key, &tcp_c->proxy_info);
+                              tcp_con->relay_pk, tcp_c->self_public_key, tcp_c->self_secret_key, &tcp_c->proxy_info, tcp_c->net_profile);
 
     if (tcp_con->connection == nullptr) {
         kill_tcp_relay_connection(tcp_c, tcp_connections_number);
@@ -1315,7 +1320,7 @@ static int add_tcp_relay_instance(TCP_Connections *tcp_c, const IP_Port *ip_port
 
     tcp_con->connection = new_tcp_connection(
                               tcp_c->logger, tcp_c->mem, tcp_c->mono_time, tcp_c->rng, tcp_c->ns, &ipp_copy,
-                              relay_pk, tcp_c->self_public_key, tcp_c->self_secret_key, &tcp_c->proxy_info);
+                              relay_pk, tcp_c->self_public_key, tcp_c->self_secret_key, &tcp_c->proxy_info, tcp_c->net_profile);
 
     if (tcp_con->connection == nullptr) {
         return -1;
@@ -1609,6 +1614,14 @@ TCP_Connections *new_tcp_connections(const Logger *logger, const Memory *mem, co
         return nullptr;
     }
 
+    Net_Profile *np = netprof_new(logger, mem);
+
+    if (np == nullptr) {
+        mem_delete(mem, temp);
+        return nullptr;
+    }
+
+    temp->net_profile = np;
     temp->logger = logger;
     temp->mem = mem;
     temp->rng = rng;
@@ -1723,7 +1736,17 @@ void kill_tcp_connections(TCP_Connections *tcp_c)
 
     crypto_memzero(tcp_c->self_secret_key, sizeof(tcp_c->self_secret_key));
 
+    netprof_kill(tcp_c->mem, tcp_c->net_profile);
     mem_delete(tcp_c->mem, tcp_c->tcp_connections);
     mem_delete(tcp_c->mem, tcp_c->connections);
     mem_delete(tcp_c->mem, tcp_c);
 }
+
+const Net_Profile *tcp_connection_get_client_net_profile(const TCP_Connections *tcp_c)
+{
+    if (tcp_c == nullptr) {
+        return nullptr;
+    }
+
+    return tcp_c->net_profile;
+}