initial commit

Example/SellyCloudSDK/CrashHandler.m

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+//
+//  CrashHandler.m
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 24/10/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import "CrashHandler.h"
+#include <libkern/OSAtomic.h>
+#include <execinfo.h>
+#include <signal.h>
+#import <CocoaLumberjack/CocoaLumberjack.h>
+
+@interface CrashHandler ()
+
+@end
+
+void HandleException(NSException *exception);
+void SignalHandler(int signal);
+
+@implementation CrashHandler
+
++ (void)load {
+    [self installCrashHandler];
+}
+
++ (void)installCrashHandler {
+    // 1. 捕获 Objective-C 异常
+    NSSetUncaughtExceptionHandler(&HandleException);
+    
+    // 2. 捕获 Unix 信号
+    signal(SIGABRT, SignalHandler);
+    signal(SIGILL, SignalHandler);
+    signal(SIGSEGV, SignalHandler);
+    signal(SIGFPE, SignalHandler);
+    signal(SIGBUS, SignalHandler);
+    signal(SIGPIPE, SignalHandler);
+}
+
++ (NSString *)crashLogPath {
+    NSString *doc = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).firstObject;
+    return [doc stringByAppendingPathComponent:@"crash.log"];
+}
+
++ (void)saveCrashToLocal:(NSString *)txt {
+//    DDLogInfo(@"####crashed:");
+    NSFileManager* fileManager = [NSFileManager defaultManager];
+    BOOL isDir = NO;
+    BOOL dataIsDir = NO;
+    // fileExistsAtPath 判断一个文件或目录是否有效，isDirectory判断是否一个目录
+    NSString* dirPath = [applicationDocumentsDirectory() stringByAppendingPathComponent:@"ErrorLog"];
+    NSString* filePath = [dirPath stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.txt", CarshDate()]];
+    BOOL existed = [fileManager fileExistsAtPath:dirPath isDirectory:&isDir];
+    BOOL dataExisted = [fileManager fileExistsAtPath:filePath isDirectory:&dataIsDir];
+    if (!(isDir == YES && existed == YES)) { //如果文件夹不存在
+        [fileManager createDirectoryAtPath:dirPath withIntermediateDirectories:YES attributes:nil error:nil];
+    }
+    if (!(dataIsDir == YES && dataExisted == YES)) {
+        [txt writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];
+    }
+}
+
+// 沙盒地址
+NSString* applicationDocumentsDirectory(void)
+{
+    return [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
+}
+
+NSString* CarshDate(void)
+{
+    NSDateFormatter* formatter = [NSDateFormatter new];
+    [formatter setDateFormat:@"yyyy-MM-dd_HHmmss"];
+
+    return [formatter stringFromDate:[NSDate date]];
+}
+
+@end
+
+// 崩溃时的回调函数
+void HandleException(NSException* exception)
+{
+    NSArray* arr = [exception callStackSymbols];
+    // 崩溃的原因  可以有崩溃的原因(数组越界,字典nil,调用未知方法...) 崩溃的控制器以及方法
+    NSString* reason = [exception reason];
+    NSString* name = [exception name];
+    NSDictionary* userInfo = [exception userInfo];
+    NSDictionary* infoDictionary = [[NSBundle mainBundle] infoDictionary];
+    // app名称
+    NSString* app_Name = [infoDictionary objectForKey:@"CFBundleDisplayName"];
+    // app版本
+    NSString* app_Version = [infoDictionary objectForKey:@"CFBundleShortVersionString"];
+    // app build版本
+    NSString* app_build = [infoDictionary objectForKey:@"CFBundleVersion"];
+    //手机型号
+    NSString* phoneModel = [[UIDevice currentDevice] model];
+    //手机系统版本
+    NSString* phoneVersion = [[UIDevice currentDevice] systemVersion];
+
+    NSString* txt = [NSString stringWithFormat:@"========异常错误报告========\n\n"
+                     @"手机型号：%@    版本：%@\n"
+                     @"App名称：%@    版本：%@（%@）\n\n"
+                     @"name:%@\n"
+                     @"userInfo:%@\n\n"
+                     @"reason:\n%@\n\n"
+                     @"callStackSymbols:\n%@",
+                     phoneModel, phoneVersion,
+                     app_Name, app_Version, app_build,
+                     name, userInfo, reason,
+                     [arr componentsJoinedByString:@"\n"]];
+
+    [CrashHandler saveCrashToLocal:txt];
+}
+
+
+void SignalHandler(int signal) {
+    // 获取调用栈
+    void *callstack[128];
+    int frames = backtrace(callstack, 128);
+    char **strs = backtrace_symbols(callstack, frames);
+
+    NSMutableString *stackStr = [NSMutableString string];
+    for (int i = 0; i < frames; i++) {
+        [stackStr appendFormat:@"%s\n", strs[i]];
+    }
+
+    NSString *content = [NSString stringWithFormat:@"Signal %d was raised.\nStack:\n%@", signal, stackStr];
+    NSString *path = [CrashHandler crashLogPath];
+    [content writeToFile:path atomically:YES encoding:NSUTF8StringEncoding error:nil];
+
+    free(strs);
+}