react-native/React/Modules/RCTJSCSamplingProfiler.m

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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "RCTJSCSamplingProfiler.h"
#import "RCTBridge.h"
#import "RCTLog.h"
@implementation RCTJSCSamplingProfiler
@synthesize methodQueue = _methodQueue;
@synthesize bridge = _bridge;
RCT_EXPORT_MODULE(RCTJSCSamplingProfiler);
#ifdef RCT_PROFILE
RCT_EXPORT_METHOD(operationComplete:(__unused int)token result:(id)profileData error:(id)error)
{
if (error) {
RCTLogError(@"JSC Sampling profiler ended with error: %@", error);
return;
}
// Create a POST request with all of the datas
NSURL *url = [NSURL URLWithString:@"/jsc-profile" relativeToURL:self.bridge.bundleURL];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url
cachePolicy:NSURLRequestReloadIgnoringLocalAndRemoteCacheData
timeoutInterval:60];
[request setHTTPMethod:@"POST"];
[request setHTTPBody:[profileData dataUsingEncoding:NSUTF8StringEncoding]];
// Send the request
NSURLSession *session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
NSURLSessionDataTask *sessionDataTask = [session dataTaskWithRequest:request completionHandler:^(__unused NSData *data, __unused NSURLResponse *response, NSError *sessionError) {
if (sessionError) {
RCTLogWarn(@"JS CPU Profile data failed to send. Is the packager server running locally?\nDetails: %@", error);
} else {
RCTLogInfo(@"JS CPU Profile data sent successfully.");
}
}];
[sessionDataTask resume];
}
- (void)operationCompletedWithResults:(NSString *)results
{
// Send the results to the packager, using the module's queue.
dispatch_async(self.methodQueue, ^{
[self operationComplete:0 result:results error:nil];
});
}
#endif
@end