C++ (Cpp) fetchInternal Examples

Example #1

File: NuCachedSource2.cpp Project: ConicalRom/platform_frameworks_base

void NuCachedSource2::onFetch() {
    LOGV("onFetch");

    if (mFinalStatus != OK) {
        LOGV("EOS reached, done prefetching for now");
        mFetching = false;
    }

    bool keepAlive =
        !mFetching
            && !mSuspended
            && mFinalStatus == OK
            && ALooper::GetNowUs() >= mLastFetchTimeUs + kKeepAliveIntervalUs;

    if (mFetching || keepAlive) {
        if (keepAlive) {
            LOGI("Keep alive");
        }

        fetchInternal();

        mLastFetchTimeUs = ALooper::GetNowUs();

        if (mFetching && mCache->totalSize() >= kHighWaterThreshold) {
            LOGI("Cache full, done prefetching for now");
            mFetching = false;
        }
    } else if (!mSuspended) {
        Mutex::Autolock autoLock(mLock);
        restartPrefetcherIfNecessary_l();
    }

    (new AMessage(kWhatFetchMore, mReflector->id()))->post(
            mFetching ? 0 : 100000ll);
}

Example #2

File: NuCachedSource2.cpp Project: eperep/android_framework_base

void NuCachedSource2::onFetch() {
    LOGV("onFetch");

    if (mFinalStatus != OK && mNumRetriesLeft == 0) {
        LOGV("EOS reached, done prefetching for now");
        mFetching = false;
    }

    bool keepAlive =
        !mFetching
            && mFinalStatus == OK
            && mKeepAliveIntervalUs > 0
            && ALooper::GetNowUs() >= mLastFetchTimeUs + mKeepAliveIntervalUs;

    if (mFetching || keepAlive) {
        if (keepAlive) {
            LOGI("Keep alive");
        }

        fetchInternal();

        mLastFetchTimeUs = ALooper::GetNowUs();

        if (mFetching && mCache->totalSize() >= mHighwaterThresholdBytes) {
            LOGI("Cache full, done prefetching for now");
            mFetching = false;

            if (mDisconnectAtHighwatermark
                    && (mSource->flags() & DataSource::kIsHTTPBasedSource)) {
                LOGV("Disconnecting at high watermark");
                static_cast<HTTPBase *>(mSource.get())->disconnect();
            }

            if (mFetchMoreCount > 1)
            {
                mFetchMoreCount--;
                return;
            }
        }
    } else {
        Mutex::Autolock autoLock(mLock);
        restartPrefetcherIfNecessary_l();
    }

    int64_t delayUs;
    if (mFetching) {
        if (mFinalStatus != OK && mNumRetriesLeft > 0) {
            // We failed this time and will try again in 3 seconds.
            delayUs = 3000000ll;
        } else {
            delayUs = 0;
        }
    } else {
        delayUs = 100000ll;
    }

    (new AMessage(kWhatFetchMore, mReflector->id()))->post(delayUs);
}

Example #3

File: dbodbc.c Project: galexcode/edbrowse

bool
sql_fetchAbs(int cid, long rownum, ...)
{
    bool rowfound;
    va_start(sqlargs, rownum);
    rowfound = fetchInternal(cid, rownum, SQL_FD_FETCH_ABSOLUTE);
    retsFromOdbc();
    return rowfound;
}				/* sql_fetchAbs */

Example #4

File: dbodbc.c Project: galexcode/edbrowse

bool
sql_fetchPrev(int cid, ...)
{
    bool rowfound;
    va_start(sqlargs, cid);
    rowfound = fetchInternal(cid, 0L, SQL_FD_FETCH_PREV);
    retsFromOdbc();
    return rowfound;
}				/* sql_fetchPrev */

Example #5

File: dbodbc.c Project: galexcode/edbrowse

bool
sql_fetchNext(int cid, ...)
{
    bool rowfound;
    va_start(sqlargs, cid);
    rowfound = fetchInternal(cid, 0L, SQL_FD_FETCH_NEXT);
    retsFromOdbc();
    return rowfound;
}				/* sql_fetchNext */

Example #6

File: NuCachedSource2.cpp Project: richardxu/panda-a4

void NuCachedSource2::onFetch() {
    ALOGV("onFetch");

    if (mFinalStatus != OK && mNumRetriesLeft == 0) {
        ALOGV("EOS reached, done prefetching for now");
        mFetching = false;
    }

    bool keepAlive =
        !mFetching
            && mFinalStatus == OK
            && mKeepAliveIntervalUs > 0
            && ALooper::GetNowUs() >= mLastFetchTimeUs + mKeepAliveIntervalUs;

    if (mFetching || keepAlive) {
        if (keepAlive) {
            ALOGI("Keep alive");
        }

        fetchInternal();

        mLastFetchTimeUs = ALooper::GetNowUs();

#ifdef OMAP_ENHANCEMENT
        if (mMinAccessPos - mCacheOffset > kGrayArea) {
            size_t maxBytes = mMinAccessPos - mCacheOffset - kGrayArea;
            size_t actualBytes = mCache->releaseFromStart(maxBytes);
            mCacheOffset += actualBytes;
        }
#endif

        if (mFetching && mCache->totalSize() >= mHighwaterThresholdBytes) {
            ALOGI("Cache full, done prefetching for now");
            mFetching = false;

            if (mDisconnectAtHighwatermark
                    && (mSource->flags() & DataSource::kIsHTTPBasedSource)) {
                ALOGV("Disconnecting at high watermark");
                static_cast<HTTPBase *>(mSource.get())->disconnect();
                mFinalStatus = -EAGAIN;
            }
        }
    } else {
        Mutex::Autolock autoLock(mLock);
        restartPrefetcherIfNecessary_l();
    }

    int64_t delayUs;
    if (mFetching) {
        if (mFinalStatus != OK && mNumRetriesLeft > 0) {
            // We failed this time and will try again in 3 seconds.
            delayUs = 3000000ll;
        } else {
            delayUs = 0;
        }
    } else {
        delayUs = 100000ll;
    }

    (new AMessage(kWhatFetchMore, mReflector->id()))->post(delayUs);
}