feat(iOS): add setDNSResolve interface

platform/Apple/source/CMakeLists.txt

@@ -46,6 +46,8 @@ link_directories(${SRC_LIBRARIES_DIR})
 set(SOURCE_LIST
         CicadaPlayer.mm
         CicadaPlayer.h
+        CicadaPlayerGlobalSettings.h
+        CicadaPlayerGlobalSettings.mm
         CicadaPlayerSDK.h
         CicadaConfig.mm
         CicadaConfig.h
@@ -80,6 +82,7 @@ target_include_directories(CicadaPlayerSDK PUBLIC ${PROJECT_SOURCE_DIR})
 set_source_files_properties(${XIB_FILES} PROPERTIES MACOSX_PACKAGE_LOCATION Resources)
 set(PUBLIC_HEADERS
         CicadaPlayer.h
+        CicadaPlayerGlobalSettings.h
         CicadaConfig.h
         CicadaCacheConfig.h
         CicadaDef.h

platform/Apple/source/CicadaPlayerGlobalSettings.h

@@ -0,0 +1,26 @@
+//
+//  CicadaPlayerGlobalSettings.h
+//  CicadaPlayerGlobalSettings
+//
+//  Created by huang_jiafa on 2020/04/09.
+//  Copyright © 2020 com.alibaba.AliyunPlayer. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+OBJC_EXPORT
+@interface CicadaPlayerGlobalSettings : NSObject
+
+/**
+ @brief 设置域名对应的解析ip
+ @param host 域名，需指定端口（http默认端口80，https默认端口443）。例如player.alicdn.com:443
+ @param ip 相应的ip，设置为空字符串清空设定。
+ */
+/****
+ @brief Set a DNS ip to resolve the host.
+ @param host The host. Need to specify the port (http defualt port is 80，https default port is 443). E.g player.alicdn.com:443
+ @param ip The ip address, set as empty string to clear the setting.
+ */
++(void)setDNSResolve:(NSString *)host ip:(NSString *)ip;
+
+@end

platform/Apple/source/CicadaPlayerGlobalSettings.mm

@@ -0,0 +1,27 @@
+#import "CicadaPlayerGlobalSettings.h"
+#import "utils/globalSettings.h"
+
+@interface CicadaPlayerGlobalSettings ()
+{
+}
+@end
+
+@implementation CicadaPlayerGlobalSettings
+
++(void)setDNSResolve:(NSString *)host ip:(NSString *)ip
+{
+    if (nil == host) {
+        return;
+    }
+
+    const string theHost = [host UTF8String];
+    Cicada::globalSettings::getSetting()->removeResolve(theHost, "");
+
+    string theip;
+    if (nil != ip && 0 < [ip length]) {
+        theip = [ip UTF8String];
+        Cicada::globalSettings::getSetting()->addResolve(theHost, theip);
+    }
+}
+
+@end

platform/Apple/source/CicadaPlayerSDK.h

@@ -21,4 +21,4 @@
 #import <CicadaPlayerSDK/CicadaSource.h>
 #import <CicadaPlayerSDK/CicadaDef.h>
 #import <CicadaPlayerSDK/CicadaCacheConfig.h>
-
+#import <CicadaPlayerSDK/CicadaPlayerGlobalSettings.h>