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-rw-r--r--src/network/network.cpp1
-rw-r--r--src/network/network.h1
-rw-r--r--src/network/network_gamelist.cpp38
-rw-r--r--src/network/network_gamelist.h1
4 files changed, 41 insertions, 0 deletions
diff --git a/src/network/network.cpp b/src/network/network.cpp
index a181f9055..91855589a 100644
--- a/src/network/network.cpp
+++ b/src/network/network.cpp
@@ -1275,6 +1275,7 @@ void NetworkUDPGameLoop(void)
} else {
_udp_client_socket->ReceivePackets();
if (_network_udp_broadcast > 0) _network_udp_broadcast--;
+ NetworkGameListRequery();
}
}
diff --git a/src/network/network.h b/src/network/network.h
index a72e404a1..58af8e304 100644
--- a/src/network/network.h
+++ b/src/network/network.h
@@ -71,6 +71,7 @@ typedef struct NetworkGameList {
uint16 port;
bool online; // False if the server did not respond (default status)
bool manually; // True if the server was added manually
+ uint8 retries;
struct NetworkGameList *next;
} NetworkGameList;
diff --git a/src/network/network_gamelist.cpp b/src/network/network_gamelist.cpp
index a202769e0..e5c1d9b9a 100644
--- a/src/network/network_gamelist.cpp
+++ b/src/network/network_gamelist.cpp
@@ -7,6 +7,10 @@
#include "network_data.h"
#include "../newgrf_config.h"
#include "../helpers.hpp"
+#include "network_udp.h"
+
+/** Should we stop/contiue requerying of offline servers? */
+static bool _stop_requerying = false;
// This file handles the GameList
// Also, it handles the request to a server for data about the server
@@ -40,6 +44,7 @@ NetworkGameList *NetworkGameListAddItem(uint32 ip, uint16 port)
DEBUG(net, 4, "[gamelist] added server to list");
UpdateNetworkGameWindow(false);
+ _stop_requerying = false;
return item;
}
@@ -72,4 +77,37 @@ void NetworkGameListRemoveItem(NetworkGameList *remove)
}
}
+enum {
+ MAX_GAME_LIST_REQUERY_COUNT = 5,
+ REQUERY_EVERY_X_GAMELOOPS = 30,
+};
+
+/** Requeries the (game) servers we have not gotten a reply from */
+void NetworkGameListRequery(void)
+{
+ static uint8 requery_cnt = 0;
+
+ if (_stop_requerying || ++requery_cnt < REQUERY_EVERY_X_GAMELOOPS) return;
+
+ requery_cnt = 0;
+ _stop_requerying = true;
+
+ struct in_addr ip;
+ NetworkGameList *item;
+
+ for (item = _network_game_list; item != NULL; item = item->next) {
+ if (item->online || item->retries >= MAX_GAME_LIST_REQUERY_COUNT) continue;
+
+ ip.s_addr = item->ip;
+
+ /* item gets mostly zeroed by NetworkUDPQueryServer */
+ uint8 retries = item->retries;
+ NetworkUDPQueryServer(inet_ntoa(ip), item->port);
+ item->retries = retries + 1;
+
+ _stop_requerying = false;
+ }
+
+}
+
#endif /* ENABLE_NETWORK */
diff --git a/src/network/network_gamelist.h b/src/network/network_gamelist.h
index c1a1a0904..7914f05cd 100644
--- a/src/network/network_gamelist.h
+++ b/src/network/network_gamelist.h
@@ -7,5 +7,6 @@ void NetworkGameListClear(void);
NetworkGameList *NetworkGameListAddItem(uint32 ip, uint16 port);
void NetworkGameListRemoveItem(NetworkGameList *remove);
void NetworkGameListAddQueriedItem(const NetworkGameInfo *info, bool server_online);
+void NetworkGameListRequery(void);
#endif /* NETWORK_GAMELIST_H */