Revert "Revert "add logging of player point of presence""

This reverts commit 4067e1ffd8.

ui/analytics.js

@@ -38,7 +38,14 @@ type Analytics = {
   videoStartEvent: (string, number) => void,
   videoBufferEvent: (
     StreamClaim,
-    { timeAtBuffer: number, bufferDuration: number, bitRate: number, duration: number, userIdHash: string }
+    {
+      timeAtBuffer: number,
+      bufferDuration: number,
+      bitRate: number,
+      duration: number,
+      userIdHash: string,
+      playerPoweredBy: string,
+    }
   ) => void,
   emailProvidedEvent: () => void,
   emailVerifiedEvent: () => void,
@@ -185,32 +192,32 @@ const analytics: Analytics = {
     sendPromMetric('time_to_start', duration);
     sendMatomoEvent('Media', 'TimeToStart', claimId, duration);
   },
-  videoBufferEvent: (claim, data) => {
-    // @if TARGET='web'
-    sendPromMetric('buffer');
-    // @endif
 
+  videoBufferEvent: (claim, data) => {
     sendMatomoEvent('Media', 'BufferTimestamp', claim.claim_id, data.timeAtBuffer);
 
-    fetch(LBRY_WEB_BUFFER_API, {
-      method: 'post',
-      headers: {
-        Accept: 'application/json',
-        'Content-Type': 'application/json',
-      },
-      body: JSON.stringify({
-        device: 'web',
-        type: 'buffering',
-        client: data.userIdHash,
-        data: {
-          url: claim.canonical_url,
-          position: data.timeAtBuffer,
-          duration: data.bufferDuration,
-          stream_duration: data.duration,
-          stream_bitrate: data.bitRate,
+    if (LBRY_WEB_BUFFER_API) {
+      fetch(LBRY_WEB_BUFFER_API, {
+        method: 'post',
+        headers: {
+          Accept: 'application/json',
+          'Content-Type': 'application/json',
         },
-      }),
-    });
+        body: JSON.stringify({
+          device: 'web',
+          type: 'buffering',
+          client: data.userIdHash,
+          data: {
+            url: claim.canonical_url,
+            position: data.timeAtBuffer,
+            duration: data.bufferDuration,
+            player: data.playerPoweredBy,
+            stream_duration: data.duration,
+            stream_bitrate: data.bitRate,
+          },
+        }),
+      });
+    }
   },
   tagFollowEvent: (tag, following) => {
     sendMatomoEvent('Tag', following ? 'Tag-Follow' : 'Tag-Unfollow', tag);

ui/component/viewers/videoViewer/view.jsx

@@ -87,7 +87,10 @@ function VideoViewer(props: Props) {
   }, [uri, previousUri]);
 
   function doTrackingBuffered(e: Event, data: any) {
-    doAnalyticsBuffer(uri, data);
+    fetch(source, { method: 'HEAD' }).then(response => {
+      data.playerPoweredBy = response.headers.get('x-powered-by');
+      doAnalyticsBuffer(uri, data);
+    });
   }
 
   function doTrackingFirstPlay(e: Event, data: any) {

ui/redux/actions/app.js

@@ -491,6 +491,7 @@ export function doAnalyticsBuffer(uri, bufferData) {
       bitRate,
       userIdHash,
       duration: fileDurationInSeconds,
+      playerPoweredBy: bufferData.playerPoweredBy,
     });
   };
 }