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Feature: allow the use of TURN to connect client and server together

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TURN is a last resort, used only if all other methods failed.
TURN is a relay approach to connect client and server together, where
openttd.org (by default) is the middleman.

It is very unlikely either the client or server cannot connect to
the STUN server, as they are both already connected to the Game
Coordinator. But in the odd case it does fail, estabilishing the
connection fails without any further possibility to recover.
This commit is contained in:
Patric Stout
2021-05-05 10:47:01 +02:00
committed by Patric Stout
parent 8a36134003
commit fa1e27994d
21 changed files with 620 additions and 2 deletions
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14
src/table/settings/network_settings.ini
View File

@@ -10,6 +10,7 @@
static void UpdateClientConfigValues();
static std::initializer_list<const char*> _server_game_type{"local", "public", "invite-only"};
static std::initializer_list<const char*> _use_relay_service{"never", "ask", "allow"};
static const SettingVariant _network_settings_table[] = {
[post-amble]
@@ -261,3 +262,16 @@ var = network.no_http_content_downloads
flags = SF_NOT_IN_SAVE | SF_NO_NETWORK_SYNC
def = false
cat = SC_EXPERT
[SDTC_OMANY]
var = network.use_relay_service
type = SLE_UINT8
flags = SF_GUI_DROPDOWN | SF_NOT_IN_SAVE | SF_NO_NETWORK_SYNC
def = URS_ASK
min = URS_NO
max = URS_ALLOW
full = _use_relay_service
str = STR_CONFIG_SETTING_USE_RELAY_SERVICE
strhelp = STR_CONFIG_SETTING_USE_RELAY_SERVICE_HELPTEXT
strval = STR_CONFIG_SETTING_USE_RELAY_SERVICE_NEVER
cat = SC_BASIC