feat: sync httpdns sdk/platform updates without large binaries

HttpDNSSDK/sdk/ios/NewHttpDNS/Log/HttpdnsLog.m

@@ -0,0 +1,73 @@
+/*
+ * 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