/* * Hedgewars-iOS, a Hedgewars port for iOS devices * Copyright (c) 2009-2010 Vittorio Giovara <vittorio.giovara@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. */#import "HWUtils.h"#import <sys/types.h>#import <sys/sysctl.h>#import <netinet/in.h>#import <SystemConfiguration/SCNetworkReachability.h>#import "hwconsts.h"static NSString *cachedModel = nil;static NSArray *cachedColors = nil;static NSMutableArray *activePorts = nil;static TGameType gameType = gtNone;static TGameStatus gameStatus = gsNone;@implementation HWUtils#pragma mark -#pragma mark game status and type info+(TGameType) gameType { return gameType;}+(void) setGameType:(TGameType) type { gameType = type;}+(TGameStatus) gameStatus { return gameStatus;}+(void) setGameStatus:(TGameStatus) status { gameStatus = status;}+(BOOL) isGameLaunched { return ((gameStatus == gsLoading) || (gameStatus == gsInGame));}+(BOOL) isGameRunning { return (gameStatus == gsInGame);}#pragma mark -#pragma mark Helper Functions with cache+(NSString *)modelType { if (cachedModel == nil) { size_t size; // set 'oldp' parameter to NULL to get the size of the data returned so we can allocate appropriate amount of space sysctlbyname("hw.machine", NULL, &size, NULL, 0); char *name = (char *)malloc(sizeof(char) * size); // get the platform name sysctlbyname("hw.machine", name, &size, NULL, 0); cachedModel = [[NSString stringWithUTF8String:name] retain]; free(name); } return cachedModel;}+(NSArray *)teamColors { if (cachedColors == nil) { // by default colors are ARGB but we do computation over RGB, hence we have to "& 0x00FFFFFF" before processing unsigned int colors[] = HW_TEAMCOLOR_ARRAY; NSMutableArray *array = [[NSMutableArray alloc] init]; int i = 0; while(colors[i] != 0) [array addObject:[NSNumber numberWithUnsignedInt:(colors[i++] & 0x00FFFFFF)]]; cachedColors = [[NSArray arrayWithArray:array] retain]; [array release]; } return cachedColors;}+(void) releaseCache { [cachedModel release], cachedModel = nil; [cachedColors release], cachedColors = nil; // don't release activePorts here}#pragma mark -#pragma mark Helper Functions without cache+(NSInteger) randomPort { // set a new feed only at initialization time and forbid connecting to the server port if (activePorts == nil) { srandom(time(NULL)); activePorts = [[NSMutableArray arrayWithObject:[NSNumber numberWithInt:NETGAME_DEFAULT_PORT]] retain]; } // pick a random number from the free ports list NSInteger res = 0; do { res = (random() % 64511) + 1024; } while ([activePorts containsObject:[NSNumber numberWithInt:res]]); // add this number to the forbdding list [activePorts addObject:[NSNumber numberWithInt:res]]; return res;}+(void) freePort:(NSInteger) port { [activePorts removeObject:[NSNumber numberWithInt:port]];}+(BOOL) isNetworkReachable { // Create zero addy struct sockaddr_in zeroAddress; bzero(&zeroAddress, sizeof(zeroAddress)); zeroAddress.sin_len = sizeof(zeroAddress); zeroAddress.sin_family = AF_INET; // Recover reachability flags SCNetworkReachabilityRef defaultRouteReachability = SCNetworkReachabilityCreateWithAddress(NULL, (struct sockaddr *)&zeroAddress); SCNetworkReachabilityFlags flags; BOOL didRetrieveFlags = SCNetworkReachabilityGetFlags(defaultRouteReachability, &flags); CFRelease(defaultRouteReachability); if (!didRetrieveFlags) { NSLog(@"Error. Could not recover network reachability flags"); return NO; } BOOL isReachable = flags & kSCNetworkFlagsReachable; BOOL needsConnection = flags & kSCNetworkFlagsConnectionRequired; BOOL nonWiFi = flags & kSCNetworkReachabilityFlagsTransientConnection; NSURL *testURL = [NSURL URLWithString:@"http://www.apple.com/"]; NSURLRequest *testRequest = [NSURLRequest requestWithURL:testURL cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:20.0]; NSURLConnection *testConnection = [[NSURLConnection alloc] initWithRequest:testRequest delegate:nil]; BOOL testResult = testConnection ? YES : NO; [testConnection release]; return ((isReachable && !needsConnection) || nonWiFi) ? testResult : NO;}/*+(UIView *)mainSDLViewInstance { SDL_Window *window = HW_getSDLWindow(); if (window == NULL) { SDL_SetError("Window does not exist"); return nil; } SDL_WindowData *data = (SDL_WindowData *)window->driverdata; SDL_uikitview *view = data != NULL ? data->view : nil; return view;}*/@end