我有模擬器上運行良好的代碼,但只要我在設備上嘗試它的程序崩潰。C iPhone設備上的套接字崩潰。 EXC_BAD_ACCESS
它初始化套接字時發生..這裏是我的代碼和什麼運行/調試吐出來。 (server_name是在服務器運行我的機器的主機名)
錯誤:在.M
Program received signal: 「EXC_BAD_ACCESS」.
warning: Unable to read symbols for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/4.3.3 (8J3)/Symbols/Developer/usr/lib/libXcodeDebuggerSupport.dylib (file not found).
在.H
int connectionSocket;
struct hostent *server;
struct sockaddr_in server_addr;
- (void)viewDidLoad {
[super viewDidLoad];
TRANSFER_COMPLETED = false;
TIME_COMPLETED = false;
//[UIApplication sharedApplication].idleTimerDisabled = YES; //Disable app sleep (check this out)
//Build connection to Server
portNumber = PORT_NUM;
connectionSocket = socket(PF_INET, SOCK_STREAM, 0);
server = gethostbyname(SERVER_NAME);
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(portNumber);
//server_addr.sin_addr = *((struct in_addr *)server->h_addr);
memcpy (&(server_addr.sin_addr), server->h_addr, server->h_length);
if (connect(connectionSocket, (struct sockaddr *)&server_addr, sizeof(struct sockaddr)) == -1)
{
perror("Connect");
exit(1);
}
//Setup Battery monitoring and Device characteristics
myDevice = [UIDevice currentDevice];
myDevice.batteryMonitoringEnabled = YES;
NSString* sysName = myDevice.systemName;
NSString* sysVersion = myDevice.systemVersion;
//Name the file for this device
NSString* myString = [NSString stringWithFormat:@"systemName:%@ systemVersion:%@ \n", sysName, sysVersion];
const char* deviceInfo = malloc(128);
char* deviceSettings = malloc(256);
deviceInfo = [myString UTF8String];
//Get the battery State
int intBatteryState = myDevice.batteryState;
char* batteryState = malloc(24);
switch(intBatteryState){
case 0:
batteryState = "Unknown";
break;
case 1:
batteryState = "Unplugged";
break;
case 2:
batteryState = "Charging";
break;
case 3:
batteryState = "plugged and full";
break;
default:
batteryState = "Error";
break;
}
sprintf(deviceSettings, "iOS Test *** APPLICATION_BUFFER_SIZE(B): %i, SLEEP_TIME(microseconds) per app buffer size: %i, TOTAL_BYTES_EXPECTED per download: %i, TOTAL_DOWNLOADS: %i, TEST_TIME(s): %i, Battery State:%s \n", (int) round(APPLICAION_BUFFER_SIZE), SLEEP_TIME, TOTAL_BYTES_EXPECTED, TOTAL_DOWNLOADS, TEST_TIME, batteryState);
send(connectionSocket, DEVICE_NAME, strlen(DEVICE_NAME), 0);
sleep(1);
send(connectionSocket, deviceSettings, strlen(deviceSettings), 0);
send(connectionSocket, deviceInfo, strlen(deviceInfo), 0);
free(deviceSettings);
//free(deviceInfo);//Says it is being freed without being allocated but I allocated it with malloc...
//free(batteryState);
// [NSThread detachNewThreadSelector:@selector(download) toTarget:self withObject:nil];
// [ NSThread detachNewThreadSelector:@selector(keepRunning)toTarget:self withObject:nil]; // [NSThread detachNewThreadSelector:@selector(busyLoop)toTarget:self withObject:nil]; //
// [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(batteryLevelDidChange) name:UIDeviceBatteryLevelDidChangeNotification object:nil];
// [[NSNotificationCenter defaultCenter]的addObserver:自選擇器:@selector(batteryStateDidChange)名稱:UIDeviceBatteryStateDidChangeNotification對象:無];
只是一個建議:'server = gethostbyname(SERVER_NAME);'已棄用。它很好看[getaddrinfo()](http://beej.us/guide/bgnet/output/html/singlepage/bgnet.html#getaddrinfoman) – Mayank 2011-05-20 03:30:56
什麼是輸出的服務器= gethostbyname(SERVER_NAME);' – Mayank 2011-05-20 03:39:41