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When CacheDataSource ignores cache, report to QoE.

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=188902403
This commit is contained in:
pallavipowale 2018-03-13 11:29:43 -07:00 committed by Oliver Woodman
parent e565a46a7d
commit 8d6832e8b3
1 changed files with 24 additions and 0 deletions
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24
library/core/src/main/java/com/google/android/exoplayer2/upstream/cache/CacheDataSource.java vendored
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@ -77,6 +77,17 @@ public final class CacheDataSource implements DataSource {
*/ */
public static final int FLAG_IGNORE_CACHE_FOR_UNSET_LENGTH_REQUESTS = 1 << 2; public static final int FLAG_IGNORE_CACHE_FOR_UNSET_LENGTH_REQUESTS = 1 << 2;
/** Reasons the cache may be ignored. */
@Retention(RetentionPolicy.SOURCE)
@IntDef({CACHE_IGNORED_REASON_ERROR, CACHE_IGNORED_REASON_UNSET_LENGTH})
public @interface CacheIgnoredReason {}
/** Cache ignored due to a cache related error */
public static final int CACHE_IGNORED_REASON_ERROR = 0;
/** Cache ignored due to a request with an unset length */
public static final int CACHE_IGNORED_REASON_UNSET_LENGTH = 1;
/** /**
* Listener of {@link CacheDataSource} events. * Listener of {@link CacheDataSource} events.
*/ */
@ -90,6 +101,12 @@ public final class CacheDataSource implements DataSource {
*/ */
void onCachedBytesRead(long cacheSizeBytes, long cachedBytesRead); void onCachedBytesRead(long cacheSizeBytes, long cachedBytesRead);
/**
* Called when the current request ignores cache.
*
* @param reason Reason cache is bypassed.
*/
void onCacheIgnored(@CacheIgnoredReason int reason);
} }
/** Minimum number of bytes to read before checking cache for availability. */ /** Minimum number of bytes to read before checking cache for availability. */
@ -294,6 +311,13 @@ public final class CacheDataSource implements DataSource {
CacheSpan nextSpan; CacheSpan nextSpan;
if (currentRequestIgnoresCache) { if (currentRequestIgnoresCache) {
nextSpan = null; nextSpan = null;
if (eventListener != null) {
int reason =
ignoreCacheOnError && seenCacheError
? CACHE_IGNORED_REASON_ERROR
: CACHE_IGNORED_REASON_UNSET_LENGTH;
eventListener.onCacheIgnored(reason);
}
} else if (blockOnCache) { } else if (blockOnCache) {
try { try {
nextSpan = cache.startReadWrite(key, readPosition); nextSpan = cache.startReadWrite(key, readPosition);