log

AppRunMan/Tweak.x

@@ -12,6 +12,14 @@
 #import "server/MySimpleServer.h"
 #import "server/FloatingWindow.h"
 
+#import "server/XSLog.h"
+
+// 重定向 NSLog 到文件
+__attribute__((constructor)) static void SetupXSLog() {
+    XSLogSetupLogWithFilePath(@"/var/mobile/Documents/AppRunMain.log", 5 * 1024 * 1024);
+    XSLogRedirectNSLog();
+}
+
 @interface UIWindow (FloatingWindow)
 @end
 

AppRunMan/server/XSLog.h

@@ -0,0 +1,22 @@
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+
+/// @param logFileName 日志文件名
+/// @param maxFileSize 日志文件最大大小（字节），超过此大小将创建新文件
+void XSLogSetupLogWithFileName(NSString *logFileName, unsigned long long maxFileSize);
+
+/// @param logFilePath 日志文件路径
+/// @param maxFileSize 日志文件最大大小（字节），超过此大小将创建新文件
+void XSLogSetupLogWithFilePath(NSString *logFilePath, unsigned long long maxFileSize);
+
+
+void XSLogMessage(NSString *format, ...) __attribute__((format(NSString, 1, 2)));
+
+void XSLogRedirectNSLog(void);
+
+// 定义一个宏，方便替换NSLog
+#define XSLog(format, ...) XSLogMessage((format), ##__VA_ARGS__)
+
+NS_ASSUME_NONNULL_END

AppRunMan/server/XSLog.m

@@ -0,0 +1,162 @@
+#import "XSLog.h"
+
+static NSString *kLogFilePath = @"app.log";
+static unsigned long long kMaxFileSize = 10 * 1024 * 1024; // 10 MB
+static NSFileHandle *logFileHandle;
+static dispatch_queue_t logQueue;
+static int logCount = 0;                   // 用于控制滚动检查频率
+static const int kLogCheckFrequency = 100; // 每100条日志检查一次文件大小
+
+// 内部函数声明
+static void setupLogFileHandle(NSString *logFilePath);
+static void checkAndRollLogFile(NSString *logFilePath);
+static NSString *getLogFilePath(NSString *logFileName);
+
+
+
+void XSLogSetupLogWithFilePath(NSString *logFilePath,
+                           unsigned long long maxFileSize) {
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    kLogFilePath = logFilePath;
+    kMaxFileSize = maxFileSize;
+    logQueue = dispatch_queue_create("com.yourcompany.app.logQueue",
+                                     DISPATCH_QUEUE_SERIAL);
+
+    // 初始化文件句柄
+    setupLogFileHandle(logFilePath);
+  });
+}
+
+void XSLogSetupLogWithFileName(NSString *logFileName,
+                               unsigned long long maxFileSize) {
+  kLogFilePath = getLogFilePath(logFileName);
+  XSLogSetupLogWithFilePath(kLogFilePath,maxFileSize);
+}
+
+static NSString *getLogFilePath(NSString *logFileName) {
+  // 获取Documents目录路径
+  NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,
+                                                       NSUserDomainMask, YES);
+  NSString *documentsDirectory = [paths firstObject];
+  NSString *logFilePath =
+      [documentsDirectory stringByAppendingPathComponent:logFileName];
+  return logFilePath;
+}
+
+static void setupLogFileHandle(NSString *logFilePath) {
+  // 检查文件大小，如果超过最大值则进行滚动
+  checkAndRollLogFile(logFilePath);
+
+  // 关闭旧的句柄（如果存在）
+  if (logFileHandle) {
+    [logFileHandle closeFile];
+    logFileHandle = nil;
+  }
+
+  // 打开文件句柄
+  logFileHandle = [NSFileHandle fileHandleForWritingAtPath:logFilePath];
+  if (!logFileHandle) {
+    // 如果文件不存在，则创建
+    [[NSFileManager defaultManager] createFileAtPath:logFilePath
+                                            contents:nil
+                                          attributes:nil];
+    logFileHandle = [NSFileHandle fileHandleForWritingAtPath:logFilePath];
+  }
+
+  if (logFileHandle) {
+    // 将文件句柄移动到文件末尾
+    [logFileHandle seekToEndOfFile];
+  } else {
+    fprintf(stderr, "Error: Could not open log file for writing.\n");
+  }
+}
+
+
+static void checkAndRollLogFile(NSString *logFilePath) {
+  NSFileManager *fileManager = [NSFileManager defaultManager];
+  if ([fileManager fileExistsAtPath:logFilePath]) {
+    NSError *error = nil;
+    NSDictionary *fileAttributes =
+        [fileManager attributesOfItemAtPath:logFilePath error:&error];
+    if (fileAttributes) {
+      unsigned long long fileSize = [fileAttributes fileSize];
+      if (fileSize > kMaxFileSize) {
+        // 文件过大，进行滚动
+        NSString *backupFilePath =
+            [logFilePath stringByAppendingString:@".bak"];
+        [fileManager removeItemAtPath:backupFilePath
+                                error:nil]; // 移除旧的备份文件
+        [fileManager moveItemAtPath:logFilePath
+                             toPath:backupFilePath
+                              error:&error]; // 将当前文件备份
+        if (error) {
+          fprintf(stderr, "Error rolling log file: %s\n",
+                  error.localizedDescription.UTF8String);
+        }
+        // 创建新的空日志文件
+        [fileManager createFileAtPath:logFilePath contents:nil attributes:nil];
+        // 重新设置文件句柄
+        setupLogFileHandle(kLogFilePath);
+      }
+    } else {
+      fprintf(stderr, "Error getting file attributes: %s\n",
+              error.localizedDescription.UTF8String);
+    }
+  }
+}
+
+void XSLogRedirectNSLog(void) {
+    if (logFileHandle) {
+        int fd = [logFileHandle fileDescriptor];
+        if (fd != -1) {
+            // 将标准错误输出重定向到日志文件
+            if (dup2(fd, STDERR_FILENO) == -1) {
+                fprintf(stderr, "Error redirecting stderr to log file.\n");
+            }
+        } else {
+            fprintf(stderr, "Error: logFileHandle has an invalid file descriptor.\n");
+        }
+    } else {
+        fprintf(stderr, "Error: logFileHandle is not initialized. Cannot redirect stderr.\n");
+    }
+}
+
+void XSLogMessage(NSString *format, ...) {
+  va_list args;
+  va_start(args, format);
+  NSString *message = [[NSString alloc] initWithFormat:format arguments:args];
+  va_end(args);
+
+  dispatch_async(logQueue, ^{
+    // 获取当前时间
+    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
+    dateFormatter.dateFormat = @"yyyy-MM-dd HH:mm:ss.SSS";
+    NSString *timestamp = [dateFormatter stringFromDate:[NSDate date]];
+
+    // 格式化日志消息
+    NSString *logString =
+        [NSString stringWithFormat:@"%@ %@\n", timestamp, message];
+
+    // 将日志写入文件
+    NSData *data = [logString dataUsingEncoding:NSUTF8StringEncoding];
+    if (logFileHandle) {
+      @try {
+        [logFileHandle writeData:data];
+        // 每次写入后，递增计数器
+        logCount++;
+        // 每隔 kLogCheckFrequency 条日志检查一次文件大小
+        if (logCount >= kLogCheckFrequency) {
+          logCount = 0; // 重置计数器
+          checkAndRollLogFile(kLogFilePath);
+        }
+      } @catch (NSException *exception) {
+        fprintf(stderr, "Error writing to log file: %s\n",
+                exception.reason.UTF8String);
+      }
+    }
+
+    // 同时输出到控制台，以便调试
+    fprintf(stderr, "%s", [logString UTF8String]);
+  });
+}