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00015 #ifdef ENABLE_NETWORK
00016
00017 #include "../stdafx.h"
00018 #include "../debug.h"
00019 #include "../window_func.h"
00020 #include "../thread/thread.h"
00021 #include "network_internal.h"
00022 #include "network_udp.h"
00023 #include "network_gamelist.h"
00024 #include "../newgrf_text.h"
00025
00026 NetworkGameList *_network_game_list = NULL;
00027
00028 static ThreadMutex *_network_game_list_mutex = ThreadMutex::New();
00029 static NetworkGameList *_network_game_delayed_insertion_list = NULL;
00030
00036 void NetworkGameListAddItemDelayed(NetworkGameList *item)
00037 {
00038 _network_game_list_mutex->BeginCritical();
00039 item->next = _network_game_delayed_insertion_list;
00040 _network_game_delayed_insertion_list = item;
00041 _network_game_list_mutex->EndCritical();
00042 }
00043
00045 static void NetworkGameListHandleDelayedInsert()
00046 {
00047 _network_game_list_mutex->BeginCritical();
00048 while (_network_game_delayed_insertion_list != NULL) {
00049 NetworkGameList *ins_item = _network_game_delayed_insertion_list;
00050 _network_game_delayed_insertion_list = ins_item->next;
00051
00052 NetworkGameList *item = NetworkGameListAddItem(ins_item->address);
00053
00054 if (item != NULL) {
00055 if (StrEmpty(item->info.server_name)) {
00056 ClearGRFConfigList(&item->info.grfconfig);
00057 memset(&item->info, 0, sizeof(item->info));
00058 strecpy(item->info.server_name, ins_item->info.server_name, lastof(item->info.server_name));
00059 strecpy(item->info.hostname, ins_item->info.hostname, lastof(item->info.hostname));
00060 item->online = false;
00061 }
00062 item->manually |= ins_item->manually;
00063 if (item->manually) NetworkRebuildHostList();
00064 UpdateNetworkGameWindow(false);
00065 }
00066 free(ins_item);
00067 }
00068 _network_game_list_mutex->EndCritical();
00069 }
00070
00078 NetworkGameList *NetworkGameListAddItem(NetworkAddress address)
00079 {
00080 const char *hostname = address.GetHostname();
00081
00082
00083 if (StrEmpty(hostname) ||
00084 strcmp(hostname, "0.0.0.0") == 0 ||
00085 strcmp(hostname, "::") == 0) {
00086 return NULL;
00087 }
00088
00089 NetworkGameList *item, *prev_item;
00090
00091 prev_item = NULL;
00092 for (item = _network_game_list; item != NULL; item = item->next) {
00093 if (item->address == address) return item;
00094 prev_item = item;
00095 }
00096
00097 item = CallocT<NetworkGameList>(1);
00098 item->next = NULL;
00099 item->address = address;
00100
00101 if (prev_item == NULL) {
00102 _network_game_list = item;
00103 } else {
00104 prev_item->next = item;
00105 }
00106 DEBUG(net, 4, "[gamelist] added server to list");
00107
00108 UpdateNetworkGameWindow(false);
00109
00110 return item;
00111 }
00112
00117 void NetworkGameListRemoveItem(NetworkGameList *remove)
00118 {
00119 NetworkGameList *prev_item = NULL;
00120 for (NetworkGameList *item = _network_game_list; item != NULL; item = item->next) {
00121 if (remove == item) {
00122 if (prev_item == NULL) {
00123 _network_game_list = remove->next;
00124 } else {
00125 prev_item->next = remove->next;
00126 }
00127
00128
00129 ClearGRFConfigList(&remove->info.grfconfig);
00130 free(remove);
00131 remove = NULL;
00132
00133 DEBUG(net, 4, "[gamelist] removed server from list");
00134 NetworkRebuildHostList();
00135 UpdateNetworkGameWindow(false);
00136 return;
00137 }
00138 prev_item = item;
00139 }
00140 }
00141
00142 static const uint MAX_GAME_LIST_REQUERY_COUNT = 10;
00143 static const uint REQUERY_EVERY_X_GAMELOOPS = 60;
00144 static const uint REFRESH_GAMEINFO_X_REQUERIES = 50;
00145
00147 void NetworkGameListRequery()
00148 {
00149 NetworkGameListHandleDelayedInsert();
00150
00151 static uint8 requery_cnt = 0;
00152
00153 if (++requery_cnt < REQUERY_EVERY_X_GAMELOOPS) return;
00154 requery_cnt = 0;
00155
00156 for (NetworkGameList *item = _network_game_list; item != NULL; item = item->next) {
00157 item->retries++;
00158 if (item->retries < REFRESH_GAMEINFO_X_REQUERIES && (item->online || item->retries >= MAX_GAME_LIST_REQUERY_COUNT)) continue;
00159
00160
00161 uint8 retries = item->retries;
00162 NetworkUDPQueryServer(NetworkAddress(item->address));
00163 item->retries = (retries >= REFRESH_GAMEINFO_X_REQUERIES) ? 0 : retries;
00164 }
00165 }
00166
00171 void NetworkAfterNewGRFScan()
00172 {
00173 for (NetworkGameList *item = _network_game_list; item != NULL; item = item->next) {
00174
00175 item->info.compatible = item->info.version_compatible;
00176
00177 for (GRFConfig *c = item->info.grfconfig; c != NULL; c = c->next) {
00178 assert(HasBit(c->flags, GCF_COPY));
00179
00180 const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, c->ident.md5sum);
00181 if (f == NULL) {
00182
00183
00184
00185 c->name->Release();
00186 c->name = FindUnknownGRFName(c->ident.grfid, c->ident.md5sum, true);
00187 c->name->AddRef();
00188 c->status = GCS_NOT_FOUND;
00189
00190
00191 item->info.compatible = false;
00192 } else {
00193 c->filename = f->filename;
00194 c->name->Release();
00195 c->name = f->name;
00196 c->name->AddRef();
00197 c->info->Release();
00198 c->info = f->info;
00199 c->info->AddRef();
00200 c->status = GCS_UNKNOWN;
00201 }
00202 }
00203 }
00204
00205 InvalidateWindowClassesData(WC_NETWORK_WINDOW);
00206 }
00207
00208 #endif