feat: sync httpdns sdk/platform updates without large binaries
This commit is contained in:
robin
@@ -0,0 +1,59 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#import <Foundation/Foundation.h>
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@interface HttpdnsScheduleCenter : NSObject
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/// 针对多账号场景的调度中心构造方<E980A0><E696B9>?
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/// 注意：若无需多账号隔离，可继续使<E7BBAD><E4BDBF>?sharedInstance
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- (instancetype)initWithAccountId:(NSInteger)accountId;
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- (void)initRegion:(NSString *)region;
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- (void)resetRegion:(NSString *)region;
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- (void)asyncUpdateRegionScheduleConfig;
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- (void)rotateServiceServerHost;
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- (NSString *)currentActiveServiceServerV4Host;
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- (NSString *)currentActiveServiceServerV6Host;
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#pragma mark - Expose to Testcases
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- (void)asyncUpdateRegionScheduleConfigAtRetry:(int)retryCount;
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- (NSString *)getActiveUpdateServerHost;
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- (NSArray<NSString *> *)currentUpdateServerV4HostList;
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- (NSArray<NSString *> *)currentServiceServerV4HostList;
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- (NSArray<NSString *> *)currentUpdateServerV6HostList;
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- (NSArray<NSString *> *)currentServiceServerV6HostList;
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- (int)currentActiveUpdateServerHostIndex;
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- (int)currentActiveServiceServerHostIndex;
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@end
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405
HttpDNSSDK/sdk/ios/NewHttpDNS/Scheduler/HttpdnsScheduleCenter.m
Normal file
405
HttpDNSSDK/sdk/ios/NewHttpDNS/Scheduler/HttpdnsScheduleCenter.m
Normal file
@@ -0,0 +1,405 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#import "HttpdnsScheduleCenter.h"
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#import "HttpdnsPersistenceUtils.h"
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#import "HttpdnsLog_Internal.h"
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#import "HttpdnsInternalConstant.h"
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#import "HttpdnsRequestManager.h"
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#import "HttpdnsService_Internal.h"
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#import "HttpdnsScheduleExecutor.h"
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#import "HttpdnsRemoteResolver.h"
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#import "HttpdnsUtil.h"
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#import "HttpdnsPublicConstant.h"
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#import "HttpdnsRegionConfigLoader.h"
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#import "HttpdnsIpStackDetector.h"
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static NSString *const kLastUpdateUnixTimestampKey = @"last_update_unix_timestamp";
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static NSString *const kScheduleRegionConfigLocalCacheFileName = @"schedule_center_result";
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static int const MAX_UPDATE_RETRY_COUNT = 2;
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@interface HttpdnsScheduleCenter ()
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// 为了简单，无论v4还是v6，都只共同维<EFBFBD><EFBFBD>?个下<EFBFBD><EFBFBD>?
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// 一般而言，下标当前在哪里并不是那么重要，重要的是轮询的能<EFBFBD><EFBFBD>?
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@property (nonatomic, assign) int currentActiveServiceHostIndex;
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@property (nonatomic, assign) int currentActiveUpdateHostIndex;
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@property (nonatomic, copy) NSArray<NSString *> *ipv4ServiceServerHostList;
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@property (nonatomic, copy) NSArray<NSString *> *ipv6ServiceServerHostList;
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@property (nonatomic, copy) NSArray<NSString *> *ipv4UpdateServerHostList;
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@property (nonatomic, copy) NSArray<NSString *> *ipv6UpdateServerHostList;
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@property (nonatomic, strong) dispatch_queue_t scheduleFetchConfigAsyncQueue;
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@property (nonatomic, strong) dispatch_queue_t scheduleConfigLocalOperationQueue;
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@property (nonatomic, copy) NSString *scheduleCenterResultPath;
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@property (nonatomic, copy) NSDate *lastScheduleCenterConnectDate;
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@property (nonatomic, copy) NSString *currentRegion;
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@property (nonatomic, assign) NSInteger accountId;
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@end
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@implementation HttpdnsScheduleCenter
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- (instancetype)initWithAccountId:(NSInteger)accountId {
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if (self = [self init]) {
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_accountId = accountId;
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// 针对多账号隔离：根据账号ID切换本地调度结果存储路径
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NSString *dir = [HttpdnsPersistenceUtils scheduleCenterResultDirectoryForAccount:accountId];
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_scheduleCenterResultPath = [dir stringByAppendingPathComponent:kScheduleRegionConfigLocalCacheFileName];
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}
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return self;
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}
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- (instancetype)init {
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if (self = [super init]) {
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_scheduleFetchConfigAsyncQueue = dispatch_queue_create("com.new.httpdns.scheduleFetchConfigAsyncQueue", DISPATCH_QUEUE_CONCURRENT);
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_scheduleConfigLocalOperationQueue = dispatch_queue_create("com.new.httpdns.scheduleConfigLocalOperationQueue", DISPATCH_QUEUE_SERIAL);
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dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
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self->_currentActiveUpdateHostIndex = 0;
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self->_currentActiveServiceHostIndex = 0;
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});
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_scheduleCenterResultPath = [[HttpdnsPersistenceUtils scheduleCenterResultDirectory]
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stringByAppendingPathComponent:kScheduleRegionConfigLocalCacheFileName];
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// 上次更新日期默认设置<EFBFBD><EFBFBD>?天前，这样如果缓存没有记录，就会立即更新
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_lastScheduleCenterConnectDate = [NSDate dateWithTimeIntervalSinceNow:(- 24 * 60 * 60)];
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}
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return self;
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}
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- (void)initRegion:(NSString *)region {
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if (![[HttpdnsRegionConfigLoader getAvailableRegionList] containsObject:region]) {
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region = NEW_HTTPDNS_DEFAULT_REGION_KEY;
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}
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// 先用默认region初始<EFBFBD><EFBFBD>?
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// 如果用户主动调用了设置region接口，会按照用户设置的再来一<EFBFBD><EFBFBD>?
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[self initServerListByRegion:region];
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// 再从本地缓存读取之前缓存过的配置
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[self loadRegionConfigFromLocalCache];
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}
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- (void)resetRegion:(NSString *)region {
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[self initServerListByRegion:region];
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dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
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self.currentActiveServiceHostIndex = 0;
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self.currentActiveUpdateHostIndex = 0;
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});
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// 重置region之后马上发起一次更<EFBFBD><EFBFBD>?
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[self asyncUpdateRegionScheduleConfig];
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}
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- (void)loadRegionConfigFromLocalCache {
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dispatch_async(self.scheduleFetchConfigAsyncQueue, ^{
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id obj = [HttpdnsPersistenceUtils getJSONFromPath:self.scheduleCenterResultPath];
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if (![obj isKindOfClass:[NSDictionary class]]) {
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// 本地缓存可能被旧版本或其他组件写入非字典类型，直接忽略以避免非法对象释放
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return;
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}
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NSDictionary *scheduleCenterResult = (NSDictionary *)obj;
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// 兼容时间戳为NSNumber/NSString，屏蔽NSNull等异常输<EFBFBD><EFBFBD>?
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id ts = [scheduleCenterResult objectForKey:kLastUpdateUnixTimestampKey];
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if ([ts respondsToSelector:@selector(doubleValue)]) {
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NSDate *lastUpdateDate = [NSDate dateWithTimeIntervalSince1970:[ts doubleValue]];
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self->_lastScheduleCenterConnectDate = lastUpdateDate;
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}
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[self updateRegionConfig:scheduleCenterResult];
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});
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}
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// 根据指定的时间间隔检查是否需要更<EFBFBD><EFBFBD>?
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- (void)asyncUpdateRegionConfigAfterAtLeast:(NSTimeInterval)interval {
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__block BOOL shouldUpdate = NO;
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dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
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NSDate *now = [NSDate date];
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if ([now timeIntervalSinceDate:self->_lastScheduleCenterConnectDate] > interval) {
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self->_lastScheduleCenterConnectDate = now;
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shouldUpdate = YES;
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}
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});
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if (shouldUpdate) {
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[self asyncUpdateRegionScheduleConfig];
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}
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}
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- (void)asyncUpdateRegionScheduleConfig {
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[self asyncUpdateRegionScheduleConfigAtRetry:0];
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}
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- (void)asyncUpdateRegionScheduleConfigAtRetry:(int)retryCount {
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if (retryCount > MAX_UPDATE_RETRY_COUNT) {
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return;
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}
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dispatch_async(_scheduleFetchConfigAsyncQueue, ^(void) {
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NSTimeInterval timeout = [HttpDnsService getInstanceByAccountId:self.accountId].timeoutInterval;
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HttpdnsScheduleExecutor *scheduleCenterExecutor = [[HttpdnsScheduleExecutor alloc] initWithAccountId:self.accountId timeout:timeout];
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NSError *error = nil;
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NSString *updateHost = [self getActiveUpdateServerHost];
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NSDictionary *scheduleCenterResult = [scheduleCenterExecutor fetchRegionConfigFromServer:updateHost error:&error];
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if (error || !scheduleCenterResult) {
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HttpdnsLogDebug("Update region config failed, error: %@", error);
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// 只有报错了就尝试选择新的调度服务<EFBFBD><EFBFBD>?
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[self rotateUpdateServerHost];
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// 3秒之后重<EFBFBD><EFBFBD>?
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)((retryCount + 1) * NSEC_PER_SEC)), self->_scheduleFetchConfigAsyncQueue, ^{
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[self asyncUpdateRegionScheduleConfigAtRetry:retryCount + 1];
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});
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return;
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}
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NSMutableDictionary *toSave = [scheduleCenterResult mutableCopy];
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toSave[kLastUpdateUnixTimestampKey] = @([[NSDate date] timeIntervalSince1970]);
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BOOL saveSuccess = [HttpdnsPersistenceUtils saveJSON:toSave toPath:self.scheduleCenterResultPath];
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HttpdnsLogDebug("Save region config to local cache %@", saveSuccess ? @"successfully" : @"failed");
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[self updateRegionConfig:scheduleCenterResult];
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});
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}
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- (void)updateRegionConfig:(NSDictionary *)scheduleCenterResult {
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NSArray *v4Result = [scheduleCenterResult objectForKey:kNewHttpdnsRegionConfigV4HostKey];
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NSArray *v6Result = [scheduleCenterResult objectForKey:kNewHttpdnsRegionConfigV6HostKey];
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dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
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HttpdnsRegionConfigLoader *regionConfigLoader = [HttpdnsRegionConfigLoader sharedInstance];
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if ([HttpdnsUtil isNotEmptyArray:v4Result]) {
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self->_ipv4ServiceServerHostList = [v4Result copy];
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// 调度server列表总是服务server列表加上兜底域名
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self->_ipv4UpdateServerHostList = [HttpdnsUtil joinArrays:v4Result
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withArray:[regionConfigLoader getUpdateV4FallbackHostList:self->_currentRegion]];
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}
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if ([HttpdnsUtil isNotEmptyArray:v6Result]) {
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self->_ipv6ServiceServerHostList = [v6Result copy];
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// 调度server列表总是服务server列表加上兜底域名
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self->_ipv6UpdateServerHostList = [HttpdnsUtil joinArrays:v6Result
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withArray:[regionConfigLoader getUpdateV6FallbackHostList:self->_currentRegion]];
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}
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self->_currentActiveUpdateHostIndex = 0;
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self->_currentActiveServiceHostIndex = 0;
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});
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}
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- (NSString *)getActiveUpdateServerHost {
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HttpdnsIPStackType currentStack = [[HttpdnsIpStackDetector sharedInstance] currentIpStack];
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if (currentStack == kHttpdnsIpv6Only) {
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NSString *v6Host = [self currentActiveUpdateServerV6Host];
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if ([HttpdnsUtil isIPv6Address:v6Host]) {
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return [NSString stringWithFormat:@"[%@]", v6Host];
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}
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return v6Host;
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}
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return [self currentActiveUpdateServerV4Host];
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}
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- (void)initServerListByRegion:(NSString *)region {
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dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
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self->_currentRegion = region;
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HttpdnsRegionConfigLoader *regionConfigLoader = [HttpdnsRegionConfigLoader sharedInstance];
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self.ipv4ServiceServerHostList = [regionConfigLoader getSeriveV4HostList:region];
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self.ipv4UpdateServerHostList = [HttpdnsUtil joinArrays:[regionConfigLoader getSeriveV4HostList:region]
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withArray:[regionConfigLoader getUpdateV4FallbackHostList:region]];
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self.ipv6ServiceServerHostList = [regionConfigLoader getSeriveV6HostList:region];
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self.ipv6UpdateServerHostList = [HttpdnsUtil joinArrays:[regionConfigLoader getSeriveV6HostList:region]
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withArray:[regionConfigLoader getUpdateV6FallbackHostList:region]];
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});
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}
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- (void)rotateServiceServerHost {
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__block int timeToUpdate = NO;
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dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
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self.currentActiveServiceHostIndex++;
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int total = (int)self.ipv4ServiceServerHostList.count + (int)self.ipv6ServiceServerHostList.count;
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if (self.currentActiveServiceHostIndex % total == 0) {
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timeToUpdate = YES;
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}
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});
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if (timeToUpdate) {
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// 每次服务server列表轮转之后，尝<EFBFBD><EFBFBD>?个至少间<EFBFBD><EFBFBD>?0秒的更新
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[self asyncUpdateRegionConfigAfterAtLeast:30];
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}
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}
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- (void)rotateUpdateServerHost {
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dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
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self.currentActiveUpdateHostIndex++;
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});
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}
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- (NSString *)currentActiveUpdateServerV4Host {
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__block NSString *host = nil;
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dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
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int count = (int)self.ipv4UpdateServerHostList.count;
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if (count == 0) {
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HttpdnsLogDebug("Severe error: update v4 ip list is empty, it should never happen");
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return;
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}
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int index = self.currentActiveUpdateHostIndex % count;
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host = self.ipv4UpdateServerHostList[index];
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});
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return host;
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}
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- (NSString *)currentActiveServiceServerV4Host {
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// 每次读取时都检查是否需要更新，相当于实现一个懒加载的机<EFBFBD><EFBFBD>?
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// 因为当前httpdns的初始化方式，没有一个统一的初始化入口，所以需要这样处<EFBFBD><EFBFBD>?
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[self asyncUpdateRegionConfigAfterAtLeast:(24 * 60 * 60)];
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// 检查是否存在HTTPDNS_DEBUG_V4_SERVICE_IP环境变量
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NSString *debugV4ServiceIP = [[[NSProcessInfo processInfo] environment] objectForKey:@"HTTPDNS_DEBUG_V4_SERVICE_IP"];
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if ([HttpdnsUtil isNotEmptyString:debugV4ServiceIP]) {
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HttpdnsLogDebug("Using debug v4 service IP from environment: %@", debugV4ServiceIP);
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return debugV4ServiceIP;
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}
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__block NSString *host = nil;
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dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
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int count = (int)self.ipv4ServiceServerHostList.count;
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if (count == 0) {
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HttpdnsLogDebug("Severe error: service v4 ip list is empty, it should never happen");
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return;
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}
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int index = self.currentActiveServiceHostIndex % count;
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host = self.ipv4ServiceServerHostList[index];
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});
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return host;
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}
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- (NSString *)currentActiveUpdateServerV6Host {
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__block NSString *host = nil;
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dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
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int count = (int)self.ipv6UpdateServerHostList.count;
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if (count == 0) {
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HttpdnsLogDebug("Severe error: update v6 ip list is empty, it should never happen");
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return;
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}
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int index = self.currentActiveUpdateHostIndex % count;
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host = self.ipv6UpdateServerHostList[index];
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});
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return host;
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}
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- (NSString *)currentActiveServiceServerV6Host {
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// 同上
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[self asyncUpdateRegionConfigAfterAtLeast:(24 * 60 * 60)];
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// 检查是否存在HTTPDNS_DEBUG_V6_SERVICE_IP环境变量
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NSString *debugV6ServiceIP = [[[NSProcessInfo processInfo] environment] objectForKey:@"HTTPDNS_DEBUG_V6_SERVICE_IP"];
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if ([HttpdnsUtil isNotEmptyString:debugV6ServiceIP]) {
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HttpdnsLogDebug("Using debug v6 service IP from environment: %@", debugV6ServiceIP);
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return debugV6ServiceIP;
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}
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__block NSString *host = nil;
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dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
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int count = (int)self.ipv6ServiceServerHostList.count;
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if (count == 0) {
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HttpdnsLogDebug("Severe error: service v6 ip list is empty, it should never happen");
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return;
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}
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int index = self.currentActiveServiceHostIndex % count;
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host = self.ipv6ServiceServerHostList[index];
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});
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if ([HttpdnsUtil isIPv6Address:host]) {
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host = [NSString stringWithFormat:@"[%@]", host];
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}
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return host;
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}
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#pragma mark - For Test Only
|
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|
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- (NSArray<NSString *> *)currentUpdateServerV4HostList {
|
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__block NSArray<NSString *> *list = nil;
|
||||
dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
|
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list = [self.ipv4UpdateServerHostList copy];
|
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});
|
||||
return list;
|
||||
}
|
||||
|
||||
- (NSArray<NSString *> *)currentServiceServerV4HostList {
|
||||
__block NSArray<NSString *> *list = nil;
|
||||
dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
|
||||
list = [self.ipv4ServiceServerHostList copy];
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||||
});
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return list;
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}
|
||||
|
||||
- (NSArray<NSString *> *)currentUpdateServerV6HostList {
|
||||
__block NSArray<NSString *> *list = nil;
|
||||
dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
|
||||
list = [self.ipv6UpdateServerHostList copy];
|
||||
});
|
||||
return list;
|
||||
}
|
||||
|
||||
- (NSArray<NSString *> *)currentServiceServerV6HostList {
|
||||
__block NSArray<NSString *> *list = nil;
|
||||
dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
|
||||
list = [self.ipv6ServiceServerHostList copy];
|
||||
});
|
||||
return list;
|
||||
}
|
||||
|
||||
- (int)currentActiveUpdateServerHostIndex {
|
||||
__block int index = 0;
|
||||
dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
|
||||
index = self.currentActiveUpdateHostIndex;
|
||||
});
|
||||
return index;
|
||||
}
|
||||
|
||||
- (int)currentActiveServiceServerHostIndex {
|
||||
__block int index = 0;
|
||||
dispatch_sync(_scheduleConfigLocalOperationQueue, ^{
|
||||
index = self.currentActiveServiceHostIndex;
|
||||
});
|
||||
return index;
|
||||
}
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,18 @@
|
||||
//
|
||||
// HttpdnsScheduleExecutor.h
|
||||
// TrustHttpDNS
|
||||
//
|
||||
// Created by ElonChan（地风） on 2017/4/11.
|
||||
// Copyright © 2017<31><37>?trustapp.com. All rights reserved.
|
||||
//
|
||||
|
||||
#import <Foundation/Foundation.h>
|
||||
|
||||
@interface HttpdnsScheduleExecutor : NSObject
|
||||
|
||||
- (NSDictionary *)fetchRegionConfigFromServer:(NSString *)updateHost error:(NSError **)pError;
|
||||
|
||||
// 多账号隔离：允许携带账号与超时初始化，避免依赖全局单例
|
||||
- (instancetype)initWithAccountId:(NSInteger)accountId timeout:(NSTimeInterval)timeoutInterval;
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,131 @@
|
||||
//
|
||||
// HttpdnsScheduleExecutor.m
|
||||
// TrustHttpDNS
|
||||
//
|
||||
// Created by ElonChan（地风） on 2017/4/11.
|
||||
// Copyright © 2017<EFBFBD><EFBFBD>?trustapp.com. All rights reserved.
|
||||
//
|
||||
|
||||
#import "HttpdnsScheduleExecutor.h"
|
||||
#import "HttpdnsLog_Internal.h"
|
||||
#import "HttpdnsService_Internal.h"
|
||||
#import "HttpdnsInternalConstant.h"
|
||||
#import "HttpdnsUtil.h"
|
||||
#import "HttpdnsScheduleCenter.h"
|
||||
#import "HttpdnsHostObject.h"
|
||||
#import "HttpdnsReachability.h"
|
||||
#import "HttpdnsPublicConstant.h"
|
||||
#import "HttpdnsNWHTTPClient.h"
|
||||
|
||||
@interface HttpdnsScheduleExecutor ()
|
||||
@property (nonatomic, strong) HttpdnsNWHTTPClient *httpClient;
|
||||
@end
|
||||
|
||||
@implementation HttpdnsScheduleExecutor {
|
||||
NSInteger _accountId;
|
||||
NSTimeInterval _timeoutInterval;
|
||||
}
|
||||
|
||||
- (instancetype)init {
|
||||
if (!(self = [super init])) {
|
||||
return nil;
|
||||
}
|
||||
// 兼容旧路径：使用全局单例读取，但多账号场景下建议使用新init接口
|
||||
_accountId = [HttpDnsService sharedInstance].accountID;
|
||||
_timeoutInterval = [HttpDnsService sharedInstance].timeoutInterval;
|
||||
_httpClient = [HttpdnsNWHTTPClient sharedInstance];
|
||||
return self;
|
||||
}
|
||||
|
||||
- (instancetype)initWithAccountId:(NSInteger)accountId timeout:(NSTimeInterval)timeoutInterval {
|
||||
if (!(self = [self init])) {
|
||||
return nil;
|
||||
}
|
||||
_accountId = accountId;
|
||||
_timeoutInterval = timeoutInterval;
|
||||
return self;
|
||||
}
|
||||
|
||||
/**
|
||||
* 拼接 URL
|
||||
* 2024.6.12今天起，调度服务由后端就近调度，不再需要传入region参数，但为了兼容不传region默认就是国内region的逻辑，默认都传入region=global
|
||||
* https://203.107.1.1/100000/ss?region=global&platform=ios&sdk_version=3.1.7&sid=LpmJIA2CUoi4&net=wifi
|
||||
*/
|
||||
- (NSString *)constructRequestURLWithUpdateHost:(NSString *)updateHost {
|
||||
NSString *urlPath = [NSString stringWithFormat:@"%ld/ss?region=global&platform=ios&sdk_version=%@", (long)_accountId, HTTPDNS_IOS_SDK_VERSION];
|
||||
urlPath = [self urlFormatSidNetBssid:urlPath];
|
||||
urlPath = [urlPath stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet characterSetWithCharactersInString:@"`#%^{}\"[]|\\<> "].invertedSet];
|
||||
return [NSString stringWithFormat:@"https://%@/%@", updateHost, urlPath];
|
||||
}
|
||||
|
||||
// url 添加 sid net
|
||||
- (NSString *)urlFormatSidNetBssid:(NSString *)url {
|
||||
NSString *sessionId = [HttpdnsUtil generateSessionID];
|
||||
if ([HttpdnsUtil isNotEmptyString:sessionId]) {
|
||||
url = [NSString stringWithFormat:@"%@&sid=%@", url, sessionId];
|
||||
}
|
||||
|
||||
NSString *netType = [[HttpdnsReachability sharedInstance] currentReachabilityString];
|
||||
if ([HttpdnsUtil isNotEmptyString:netType]) {
|
||||
url = [NSString stringWithFormat:@"%@&net=%@", url, netType];
|
||||
}
|
||||
return url;
|
||||
}
|
||||
|
||||
- (NSDictionary *)fetchRegionConfigFromServer:(NSString *)updateHost error:(NSError **)pError {
|
||||
NSString *fullUrlStr = [self constructRequestURLWithUpdateHost:updateHost];
|
||||
HttpdnsLogDebug("ScRequest URL: %@", fullUrlStr);
|
||||
NSTimeInterval timeout = _timeoutInterval > 0 ? _timeoutInterval : HTTPDNS_DEFAULT_REQUEST_TIMEOUT_INTERVAL;
|
||||
NSString *userAgent = [HttpdnsUtil generateUserAgent];
|
||||
|
||||
NSError *requestError = nil;
|
||||
HttpdnsNWHTTPClientResponse *response = [self.httpClient performRequestWithURLString:fullUrlStr
|
||||
userAgent:userAgent
|
||||
timeout:timeout
|
||||
error:&requestError];
|
||||
if (!response) {
|
||||
if (pError) {
|
||||
*pError = requestError;
|
||||
HttpdnsLogDebug("ScRequest failed with url: %@, error: %@", fullUrlStr, requestError);
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
|
||||
if (response.statusCode != 200) {
|
||||
NSDictionary *dict = @{@"ResponseCode": [NSString stringWithFormat:@"%ld", (long)response.statusCode]};
|
||||
if (pError) {
|
||||
*pError = [NSError errorWithDomain:Trust_HTTPDNS_ERROR_DOMAIN
|
||||
code:Trust_HTTPDNS_HTTPS_NO_DATA_ERROR_CODE
|
||||
userInfo:dict];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
|
||||
NSError *jsonError = nil;
|
||||
id jsonValue = [NSJSONSerialization JSONObjectWithData:response.body options:kNilOptions error:&jsonError];
|
||||
if (jsonError) {
|
||||
if (pError) {
|
||||
*pError = jsonError;
|
||||
HttpdnsLogDebug("ScRequest JSON parse error, url: %@, error: %@", fullUrlStr, jsonError);
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
|
||||
NSDictionary *result = [HttpdnsUtil getValidDictionaryFromJson:jsonValue];
|
||||
if (result) {
|
||||
HttpdnsLogDebug("ScRequest get response: %@", result);
|
||||
return result;
|
||||
}
|
||||
|
||||
if (pError) {
|
||||
*pError = [NSError errorWithDomain:Trust_HTTPDNS_ERROR_DOMAIN
|
||||
code:Trust_HTTP_PARSE_JSON_FAILED
|
||||
userInfo:@{NSLocalizedDescriptionKey: @"Failed to parse JSON response"}];
|
||||
}
|
||||
if (pError != NULL) {
|
||||
HttpdnsLogDebug("ScRequest failed with url: %@, response body invalid", fullUrlStr);
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
|
||||
@end
|
||||
Reference in New Issue
Block a user