發佈的app不免會出現一些奇葩的bug，爲了可以實時跟蹤app的崩潰，須要接管系統的異常捕獲接口，本身來收集保存崩潰現場信息。html
下面簡單說一下幾個平臺的異常崩潰捕獲。編程
1.iOS
1.1 Exception
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 |
-(BOOL)install{
if(NSGetUncaughtExceptionHandler() != custom_exceptionHandler)
oldhandler = NSGetUncaughtExceptionHandler();
if(self->_handlerEnable){
NSSetUncaughtExceptionHandler(&custom_exceptionHandler);
}else{
DDLogWarning(@"NSEXception handler disable");
}
return YES;
}
-(BOOL)uninstall{
NSSetUncaughtExceptionHandler(oldhandler);
return YES;
}架構 |
1.2 Signal
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66 |
-(BOOL)install{
if(installed){
DDLogError(@"signal handler has been installed");
return NO;
}
custom_crash_stk.ss_size = MAX(MINSIGSTKSZ, 64*1024);
custom_crash_stk.ss_sp = malloc(custom_crash_stk.ss_size);
custom_crash_stk.ss_flags = 0;
if(custom_crash_stk.ss_sp == NULL){
return NO;
}
//替換信號處理函數棧,避免棧已經耗盡，致使進程退出
if(sigaltstack(&custom_crash_stk, 0) < 0)
return NO;
if(!sa_preHandlers){
sa_preHandlers = (struct sigaction*)malloc(sizeof(struct sigaction) * monitored_signals_count);
memset(sa_preHandlers, 0, sizeof(struct sigaction) * monitored_signals_count);
}
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
sigemptyset(&sa.sa_mask);
sa.sa_sigaction = &custom_signalHandler;
for (int i = 0; i < monitored_signals_count; i++) {
if(sigaction(monitored_signals[i], &sa, (struct sigaction*)(sa_preHandlers+i)) != 0){
DDLogError(@"install signalHandler failed, uninstall it!");
[self uninstall];
return NO;
}
}
installed = 1;
return YES;
}
-(BOOL)uninstall{
if(installed){
if(custom_crash_stk.ss_sp){
free(custom_crash_stk.ss_sp);
custom_crash_stk.ss_sp = nil;
}
for (int i = 0; i < monitored_signals_count; i++) {
if(sigaction(monitored_signals[i], (struct sigaction*)(sa_preHandlers+i), 0) != 0){
return NO;
}
}
if(sa_preHandlers)
free(sa_preHandlers);
installed = 0;
return YES;
}else{
DDLogError(@"signalHandler already uninstalled!");
return NO;
}
}app |
2.Cocos
2.1 Cocos-Lua
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 |
local function handleLuaException(msg)
if msg==nil then return end
local targetPlatform = cc.Application:getInstance():getTargetPlatform()
local supportObjectCBridge = false
if (cc.PLATFORM_OS_IPHONE == targetPlatform) or (cc.PLATFORM_OS_IPAD == targetPlatform) or (cc.PLATFORM_OS_MAC == targetPlatform) then
supportObjectCBridge = true
end
local supportJavaBridge = false
if (cc.PLATFORM_OS_ANDROID == targetPlatform) then
supportJavaBridge = true
end
if (supportJavaBridge == true) then
//...
elseif (supportObjectCBridge == true) then
//...
end
end
function __G__TRACKBACK__(msg)
handleLuaException(msg)
return msg
end函數 |
2.2 Cocos-JS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 |
//註冊異常處理回調函數
void JSExceptionHandler::registerJSExceptionHandler(JSContext *cx) {
JS_SetErrorReporter(cx, JSExceptionHandler::reportError);
}
void JSExceptionHandler::reportError(JSContext *cx, const char *message, JSErrorReport*report)
{
const char* format = "%s:%u:%s\n";
const char* fileName = report->filename ? report->filename : "no filename";
int bufLen = strlen(format) + strlen(fileName) + strlen(message) + 16;
char* traceback = (char*)malloc(bufLen);
memset(traceback, 0, bufLen);
sprintf(traceback, format, fileName, (unsigned int) report->lineno, message);
//....
free(traceback);
};網站 |
3.U3D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 |
//註冊未處理異常回調
System.AppDomain.CurrentDomain.UnhandledException += _OnUnhandledExceptionHandler;
//註冊日誌回調
Application.RegisterLogCallback(_OnLogCallbackHandler);
static private void _OnLogCallbackHandler(string name, string stack, LogType type)
{
//…
}
private static void _OnUnhandledExceptionHandler(object sender, System.UnhandledExceptionEventArgsargs)
{
if (args.ExceptionObject.GetType() == typeof(System.Exception))
{
//…
}
}google |
問啊-定製化IT教育平臺，牛人一對一服務，有問必答，開發編程社交頭條 官方網站：www.wenaaa.com 下載問啊APP，參與官方懸賞，賺百元現金。日誌
QQ羣290551701 彙集不少互聯網精英，技術總監，架構師，項目經理！開源技術研究，歡迎業內人士，大牛及新手有志於從事IT行業人員進入！orm