我一直在寻找一种在 iPhone 上启动守护进程的方法,我通过学习ant 应用程序的源代码,用 Xcode 创建了一个小测试应用程序,它告诉我应该使用launchctl
但不幸的是它不起作用。
我已经在我的 iPod Touch 上使用 SSH 安装了我的应用程序/Applications/
,然后我通过帐户使用 SSH 启动它,mobile
我的日志显示:
Script started on Thu Feb 24 19:33:28 2011
bash-3.2$ ssh mobile@192.168.1.8
mobile@192.168.1.8's password:
iPod-van-Henri:~ mobile$ cd /Applications
iPod-van-Henri:/Applications mobile$ cd DaemonUtility.app/
iPod-van-Henri:/Applications/DaemonUtility.app mobile$ ./DaemonUtility
2011-02-24 19:35:08.022 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:09.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:10.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:11.021 DaemonUtility[1369:107] Read 0 bytes
Bug: launchctl.c:2367 (24307):13: (dbfd = open(g_job_overrides_db_path, O_RDONLY | O_EXLOCK | O_CREAT, S_IRUSR | S_IWUSR)) != -1
launchctl: CFURLWriteDataAndPropertiesToResource(/private/var/stash/Applications.pwn/DaemonUtility.app/com.developerief2.daemontest.plist) failed: -10
launch_msg(): Socket is not connected
2011-02-24 19:35:12.039 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:13.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:14.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:15.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:16.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:17.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:18.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:19.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:20.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:21.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:22.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:23.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:24.021 DaemonUtility[1369:107] Read 0 bytes
2011-02-24 19:35:25.021 DaemonUtility[1369:107] Read 0 bytes
^C
iPod-van-Henri:/Applications/DaemonUtility.app mobile$ exit
logout
Connection to 192.168.1.8 closed.
bash-3.2$ exit
exit
Script done on Thu Feb 24 19:34:49 2011
当我使用root
(doing it with su
) 启动它时,我让守护程序运行,但它什么也没做。
自启动以来,我的守护程序应UIViewAlert
每十秒显示一次:
**main.m (Daemon)**
//
// main.m
// DaemonTest
//
// Created by ief2 on 23/02/11.
//
#import <UIKit/UIKit.h>
@interface DAAppDelegate : NSObject <UIApplicationDelegate> {
NSDate *_startupDate;
NSTimer *_messageTimer;
}
@property (nonatomic, retain) NSDate *startupDate;
@end
@interface DAAppDelegate (PrivateMethods)
- (void)showMessage:(NSTimer *)timer;
@end
@implementation DAAppDelegate
@synthesize startupDate=_startupDate;
- (void)dealloc {
[_startupDate dealloc];
[_messageTimer dealloc];
[super dealloc];
}
- (void)applicationDidFinishLaunching:(UIApplication *)theApplication {
UIAlertView *myView;
myView = [[UIAlertView alloc] initWithTitle:@"Daemon Launched"
message:@"The daemon was launched"
delegate:nil
cancelButtonTitle:@"OK"
otherButtonTitles:nil];
[myView show];
[myView release];
self.startupDate = [NSDate date];
NSTimer *myTimer = [NSTimer scheduledTimerWithTimeInterval:10
target:self
selector:@selector(showMessage:)
userInfo:nil
repeats:YES];
_messageTimer = [myTimer retain];
}
- (void)applicationWillTerminate:(UIApplication *)theApplication {
[_messageTimer invalidate];
UIAlertView *myView;
myView = [[UIAlertView alloc] initWithTitle:@"Daemon Terminated"
message:@"The daemon was terminated"
delegate:nil
cancelButtonTitle:@"OK"
otherButtonTitles:nil];
[myView show];
[myView release];
}
- (void)showMessage:(NSTimer *)timer {
NSTimeInterval mySec;
mySec = [self.startupDate timeIntervalSinceNow];
NSString *format = [NSString stringWithFormat:
@"The daemon has been running for %llu seconds",
(unsigned long long)mySec];
UIAlertView *myView;
myView = [[UIAlertView alloc] initWithTitle:@"Daemon Message"
message:format
delegate:nil
cancelButtonTitle:@"OK"
otherButtonTitles:nil];
[myView show];
[myView release];
}
@end
int main(int argc, const char **argv) {
NSAutoreleasePool *mainPool = [[NSAutoreleasePool alloc] init];
UIApplicationMain(argc, (char **)argv, nil, @"DAAppDelegate");
[mainPool drain];
return 0;
}
完整的应用程序源代码可以在我的电脑上找到:http:
//81.82.20.197/DaemonTest.zip
提前谢谢你,
ief2