阿里sdk

EdgeHttpDNS/sdk/ios/AlicloudHttpDNS/Log/HttpdnsLog.h

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+@interface HttpdnsLog : NSObject
+
++ (void)enableLog;
+
++ (void)disableLog;
+
++ (BOOL)isEnabled;
+
+@end

EdgeHttpDNS/sdk/ios/AlicloudHttpDNS/Log/HttpdnsLog.m

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+
+#import "HttpdnsLog_Internal.h"
+
+static BOOL HttpdnsLogIsEnabled = NO;
+
+static id<HttpdnsLoggerProtocol> sLogHandler;
+
+@implementation HttpdnsLog
+
++ (void)enableLog {
+    HttpdnsLogIsEnabled = YES;
+}
+
++ (void)disableLog {
+    HttpdnsLogIsEnabled = NO;
+}
+
++ (BOOL)isEnabled {
+    return HttpdnsLogIsEnabled;
+}
+
++ (void)setLogHandler:(id<HttpdnsLoggerProtocol>)handler {
+    SEL sel = NSSelectorFromString(@"log:");
+    if (handler && [handler respondsToSelector:sel]) {
+        sLogHandler = handler;
+    }
+}
+
++ (void)unsetLogHandler {
+    sLogHandler = nil;
+}
+
++ (BOOL)validLogHandler {
+    return (sLogHandler != nil);
+}
+
++ (void)outputToLogHandler:(NSString *)logStr {
+    if (sLogHandler) {
+        [sLogHandler log:logStr];
+    }
+}
+
++ (NSString *)getFormattedDateTimeStr {
+    static NSDateFormatter *dateFormatter;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        dateFormatter = [[NSDateFormatter alloc] init];
+    });
+
+    [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss.SSS"];
+    return [dateFormatter stringFromDate:[NSDate date]];
+}
+
+@end

EdgeHttpDNS/sdk/ios/AlicloudHttpDNS/Log/HttpdnsLog_Internal.h

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+//
+//  HttpdnsLog_Internal.h
+//  AlicloudHttpDNS
+//
+//  Created by junmo on 2018/12/19.
+//  Copyright © 2018年 alibaba-inc.com. All rights reserved.
+//
+
+#import "HttpdnsLog.h"
+#import "HttpdnsLoggerProtocol.h"
+#import <pthread/pthread.h>
+
+// logHandler输出日志，不受日志开关影响
+#define HttpdnsLogDebug(frmt, ...) \
+if ([HttpdnsLog validLogHandler]) { \
+    @try { \
+        uint64_t tid = 0; \
+        pthread_threadid_np(NULL, &tid); \
+        NSString *logFormat = [NSString stringWithFormat:@"%s", frmt]; \
+        NSString *logStr = [NSString stringWithFormat:@"[%llu] %@", tid, [NSString stringWithFormat:logFormat, ##__VA_ARGS__, nil]]; \
+        [HttpdnsLog outputToLogHandler:logStr]; \
+    } @catch (NSException *exception){ \
+    } \
+} \
+if ([HttpdnsLog isEnabled]) { \
+    @try { \
+        uint64_t tid = 0; \
+        pthread_threadid_np(NULL, &tid); \
+        NSLog((@"%@ HTTPDNSSDKLOG [%llu] - " frmt), [HttpdnsLog getFormattedDateTimeStr], tid, ##__VA_ARGS__); \
+    } @catch (NSException *exception){ \
+    } \
+}
+
+
+@interface HttpdnsLog ()
+
++ (void)setLogHandler:(id<HttpdnsLoggerProtocol>)handler;
++ (void)unsetLogHandler;
++ (BOOL)validLogHandler;
++ (void)outputToLogHandler:(NSString *)logStr;
+
++ (NSString *)getFormattedDateTimeStr;
+
+
+@end

EdgeHttpDNS/sdk/ios/AlicloudHttpDNS/Log/HttpdnsLoggerProtocol.h

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+//
+//  HttpdnsLoggerProtocol.h
+//  AlicloudHttpDNS
+//
+//  Created by junmo on 2018/12/19.
+//  Copyright © 2018年 alibaba-inc.com. All rights reserved.
+//
+
+#ifndef HttpdnsLoggerProtocol_h
+#define HttpdnsLoggerProtocol_h
+
+#import <Foundation/Foundation.h>
+
+@protocol HttpdnsLoggerProtocol <NSObject>
+
+- (void)log:(NSString *)logStr;
+
+@end
+
+#endif /* HttpdnsLoggerProtocol_h */