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Merge pull request #384 from YangSen-qn/develop
UC Query Add SingleFlight & connect check
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| // | ||
| // QNConnectChecker.h | ||
| // QiniuSDK_Mac | ||
| // | ||
| // Created by yangsen on 2021/1/8. | ||
| // Copyright © 2021 Qiniu. All rights reserved. | ||
| // | ||
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| #import <Foundation/Foundation.h> | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @interface QNConnectChecker : NSObject | ||
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| + (BOOL)check; | ||
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| + (void)check:(void(^)(BOOL isConnected))complete; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| // | ||
| // QNConnectChecker.m | ||
| // QiniuSDK_Mac | ||
| // | ||
| // Created by yangsen on 2021/1/8. | ||
| // Copyright © 2021 Qiniu. All rights reserved. | ||
| // | ||
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| #import "QNDefine.h" | ||
| #import "QNLogUtil.h" | ||
| #import "QNConfiguration.h" | ||
| #import "QNSingleFlight.h" | ||
| #import "QNConnectChecker.h" | ||
| #import "QNUploadSystemClient.h" | ||
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| @interface QNConnectChecker() | ||
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| @end | ||
| @implementation QNConnectChecker | ||
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| + (QNSingleFlight *)singleFlight { | ||
| static QNSingleFlight *singleFlight = nil; | ||
| static dispatch_once_t onceToken; | ||
| dispatch_once(&onceToken, ^{ | ||
| singleFlight = [[QNSingleFlight alloc] init]; | ||
| }); | ||
| return singleFlight; | ||
| } | ||
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| + (BOOL)check { | ||
| __block BOOL isConnected = false; | ||
| dispatch_semaphore_t semaphore = dispatch_semaphore_create(0); | ||
| [self check:^(BOOL isConnectedP) { | ||
| isConnected = isConnectedP; | ||
| dispatch_semaphore_signal(semaphore); | ||
| }]; | ||
| dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER); | ||
| return isConnected; | ||
| } | ||
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| + (void)check:(void (^)(BOOL isConnected))complete { | ||
| QNSingleFlight *singleFlight = [self singleFlight]; | ||
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| kQNWeakSelf; | ||
| [singleFlight perform:@"connect_check" action:^(QNSingleFlightComplete _Nonnull singleFlightComplete) { | ||
| kQNStrongSelf; | ||
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| [self checkAllHosts:^(BOOL isConnected) { | ||
| singleFlightComplete(@(isConnected), nil); | ||
| }]; | ||
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| } complete:^(id _Nullable value, NSError * _Nullable error) { | ||
| if (complete) { | ||
| complete([(NSNumber *)value boolValue]); | ||
| } | ||
| }]; | ||
| } | ||
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| + (void)checkAllHosts:(void (^)(BOOL isConnected))complete { | ||
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| __block int completeCount = 0; | ||
| __block BOOL isCompleted = false; | ||
| __block BOOL isConnected = false; | ||
| kQNWeakSelf; | ||
| NSArray *allHosts = [kQNGlobalConfiguration.connectCheckURLStrings copy]; | ||
| for (NSString *host in allHosts) { | ||
| [self checkHost:host complete:^(BOOL isHostConnected) { | ||
| kQNStrongSelf; | ||
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| @synchronized (self) { | ||
| completeCount += 1; | ||
| } | ||
| if (isHostConnected) { | ||
| isConnected = YES; | ||
| } | ||
| if (isHostConnected || completeCount == allHosts.count) { | ||
| @synchronized (self) { | ||
| if (isCompleted) { | ||
| QNLogInfo(@"== check all hosts has completed totalCount:%d completeCount:%d", allHosts.count, completeCount); | ||
| return; | ||
| } else { | ||
| QNLogInfo(@"== check all hosts completed totalCount:%d completeCount:%d", allHosts.count, completeCount); | ||
| isCompleted = true; | ||
| } | ||
| } | ||
| complete(isConnected); | ||
| } else { | ||
| QNLogInfo(@"== check all hosts not completed totalCount:%d completeCount:%d", allHosts.count, completeCount); | ||
| } | ||
| }]; | ||
| } | ||
| } | ||
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| + (void)checkHost:(NSString *)host complete:(void (^)(BOOL isConnected))complete { | ||
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| NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init]; | ||
| request.URL = [NSURL URLWithString:host]; | ||
| request.HTTPMethod = @"HEAD"; | ||
| request.timeoutInterval = kQNGlobalConfiguration.connectCheckTimeout; | ||
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| QNUploadSystemClient *client = [[QNUploadSystemClient alloc] init]; | ||
| [client request:request connectionProxy:nil progress:nil complete:^(NSURLResponse * response, QNUploadSingleRequestMetrics * metrics, NSData * _Nullable data, NSError * error) { | ||
| if (response && [(NSHTTPURLResponse *)response statusCode] > 99) { | ||
| QNLogInfo(@"== checkHost:%@ result: true", host); | ||
| complete(true); | ||
| } else { | ||
| QNLogInfo(@"== checkHost:%@ result: false", host); | ||
| complete(false); | ||
| } | ||
| }]; | ||
| } | ||
|
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| @end |
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