Add ObjC API for getting native histograms.
BUG=
Review-Url: https://codereview.webrtc.org/2036773003
Cr-Commit-Position: refs/heads/master@{#13064}
diff --git a/webrtc/sdk/objc/Framework/Classes/RTCMetrics.mm b/webrtc/sdk/objc/Framework/Classes/RTCMetrics.mm
new file mode 100644
index 0000000..279a2be
--- /dev/null
+++ b/webrtc/sdk/objc/Framework/Classes/RTCMetrics.mm
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#import "WebRTC/RTCMetrics.h"
+
+#import "RTCMetricsSampleInfo+Private.h"
+
+void RTCEnableMetrics() {
+ webrtc::metrics::Enable();
+}
+
+NSArray<RTCMetricsSampleInfo *> *RTCGetAndResetMetrics() {
+ std::map<std::string, std::unique_ptr<webrtc::metrics::SampleInfo>>
+ histograms;
+ webrtc::metrics::GetAndReset(&histograms);
+
+ NSMutableArray *metrics =
+ [NSMutableArray arrayWithCapacity:histograms.size()];
+ for (auto const &histogram : histograms) {
+ RTCMetricsSampleInfo *metric = [[RTCMetricsSampleInfo alloc]
+ initWithNativeSampleInfo:*histogram.second];
+ [metrics addObject:metric];
+ }
+ return metrics;
+}