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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| /// Copyright 2021 Google Inc. All rights reserved. | ||
| /// | ||
| /// Licensed 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 "Source/santametricservice/Writers/SNTMetricWriter.h" | ||
|
|
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| @interface SNTMetricHTTPWriter : NSObject <SNTMetricWriter> | ||
| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| /// Copyright 2021 Google Inc. All rights reserved. | ||
| /// | ||
| /// Licensed 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. | ||
| #include <dispatch/dispatch.h> | ||
| #import <MOLAuthenticatingURLSession/MOLAuthenticatingURLSession.h> | ||
|
|
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| #import "Source/santametricservice/Writers/SNTMetricHTTPWriter.h" | ||
|
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| @implementation SNTMetricHTTPWriter { | ||
| @private | ||
| NSMutableURLRequest *_request; | ||
| MOLAuthenticatingURLSession *_authSession; | ||
| NSURLSession *_session; | ||
| } | ||
|
|
||
| - (instancetype)init { | ||
| self = [super init]; | ||
| if (self) { | ||
| _request = [[NSMutableURLRequest alloc] init]; | ||
| _request.HTTPMethod = @"POST"; | ||
| _authSession = [[MOLAuthenticatingURLSession alloc] init]; | ||
| } | ||
| return self; | ||
| } | ||
|
|
||
| /** | ||
| * Post serialzied metrics to the specified URL one object at a time. | ||
| **/ | ||
| - (BOOL)write:(NSArray<NSData *> *)metrics toURL:(NSURL *)url error:(NSError **)error { | ||
| // open the file and write it. | ||
| __block NSError *_blockError = nil; | ||
|
|
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| NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; | ||
| request.HTTPMethod = @"POST"; | ||
| [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"]; | ||
|
|
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| _authSession.serverHostname = url.host; | ||
| _session = _authSession.session; | ||
|
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| dispatch_semaphore_t semaphore = dispatch_semaphore_create(0); | ||
| dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ | ||
| [metrics enumerateObjectsUsingBlock:^(id value, NSUInteger index, BOOL *stop) { | ||
| request.HTTPBody = (NSData *)value; | ||
| [[_session dataTaskWithRequest:request | ||
| completionHandler:^(NSData *_Nullable data, NSURLResponse *_Nullable response, | ||
| NSError *_Nullable err) { | ||
| if (err != nil) { | ||
| _blockError = err; | ||
| *stop = YES; | ||
| } | ||
|
|
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| if (response == nil) { | ||
| *stop = YES; | ||
| } else if ([response isKindOfClass:[NSHTTPURLResponse class]]) { | ||
| NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response; | ||
|
|
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| // Check HTTP error codes. | ||
| if (httpResponse && httpResponse.statusCode != 200) { | ||
| _blockError = [[NSError alloc] | ||
| initWithDomain:@"com.google.santa.metricservice.writers.http" | ||
| code:httpResponse.statusCode | ||
| userInfo:@{ | ||
| NSLocalizedDescriptionKey : | ||
| [NSString stringWithFormat:@"received http status code %ld from %@", | ||
| httpResponse.statusCode, url] | ||
| }]; | ||
|
|
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| *stop = YES; | ||
| } | ||
| } | ||
| }] resume]; | ||
| }]; | ||
| dispatch_semaphore_signal(semaphore); | ||
| }); | ||
|
|
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| dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER); | ||
|
|
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| if (_blockError != nil) { | ||
| if (error != nil) { | ||
| *error = [_blockError copy]; | ||
| } | ||
| return NO; | ||
| } | ||
|
|
||
| return YES; | ||
| } | ||
| @end |
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