C++ (Cpp) connect_l Examples

Example #1

File: ChromiumHTTPDataSource.cpp Project: zp8001/STUDY_4.0.3

ssize_t ChromiumHTTPDataSource::readAt(off64_t offset, void *data, size_t size) {
    Mutex::Autolock autoLock(mLock);

    if (mState != CONNECTED) {
        return INVALID_OPERATION;
    }

#if 0
    char value[PROPERTY_VALUE_MAX];
    if (property_get("media.stagefright.disable-net", value, 0)
            && (!strcasecmp(value, "true") || !strcmp(value, "1"))) {
        LOG_PRI(ANDROID_LOG_INFO, LOG_TAG, "Simulating that the network is down.");
        disconnect_l();
        return ERROR_IO;
    }
#endif

    if (offset != mCurrentOffset) {
        AString tmp = mURI;
        KeyedVector<String8, String8> tmpHeaders = mHeaders;

        disconnect_l();

        status_t err = connect_l(tmp.c_str(), &tmpHeaders, offset);

        if (err != OK) {
            LCHLOGD1("err = %d", (int ) err);
            return err;
        }
    }

    mState = READING;

    int64_t startTimeUs = ALooper::GetNowUs();

    mDelegate->initiateRead(data, size);

    while (mState == READING) {
        mCondition.wait(mLock);
    }

    if (mIOResult < OK) {
        return mIOResult;
    }

    if (mState == CONNECTED) {
        int64_t delayUs = ALooper::GetNowUs() - startTimeUs;

        // The read operation was successful, mIOResult contains
        // the number of bytes read.
        addBandwidthMeasurement(mIOResult, delayUs);

        mCurrentOffset += mIOResult;
        return mIOResult;
    }

    return ERROR_IO;
}

Example #2

File: ChromiumHTTPDataSource.cpp Project: HermanChen/Rockchip_4.1_release_libstagefright

status_t ChromiumHTTPDataSource::connect(
        const char *uri,
        const KeyedVector<String8, String8> *headers,
        off64_t offset) {
    Mutex::Autolock autoLock(mLock);

    uid_t uid;
    if (getUID(&uid)) {
        mDelegate->setUID(uid);
    }
    LOG_PRI(ANDROID_LOG_VERBOSE, LOG_TAG, "connect on behalf of uid %d", uid);

    return connect_l(uri, headers, offset);
}

Example #3

File: ChromiumHTTPDataSource.cpp Project: HermanChen/Rockchip_4.1_release_libstagefright

status_t ChromiumHTTPDataSource::reconnectAtOffset(off64_t offset) {
    Mutex::Autolock autoLock(mLock);

    if (mURI.empty()) {
        return INVALID_OPERATION;
    }

    LOG_PRI(ANDROID_LOG_INFO, LOG_TAG, "Reconnecting...");
    status_t err = connect_l(mURI.c_str(), &mHeaders, offset);
    if (err != OK) {
        LOG_PRI(ANDROID_LOG_INFO, LOG_TAG, "Reconnect failed w/ err 0x%08x", err);
    }

    return err;
}

Example #4

File: ChromiumHTTPDataSource.cpp Project: tempbottle/InDashNet.Open.UN2000

ssize_t ChromiumHTTPDataSource::readAt(off64_t offset, void *data, size_t size) {
    Mutex::Autolock autoLock(mLock);

    if (mState != CONNECTED) {
        return INVALID_OPERATION;
    }

#if 0
    char value[PROPERTY_VALUE_MAX];
    if (property_get("media.stagefright.disable-net", value, 0)
            && (!strcasecmp(value, "true") || !strcmp(value, "1"))) {
        LOG_PRI(ANDROID_LOG_INFO, LOG_TAG, "Simulating that the network is down.");
        disconnect_l();
        return ERROR_IO;
    }
#endif

    if (offset != mCurrentOffset) {
        AString tmp = mURI;
        KeyedVector<String8, String8> tmpHeaders = mHeaders;

        disconnect_l();

        status_t err = connect_l(tmp.c_str(), &tmpHeaders, offset);

        if (err != OK) {
            return err;
        }
    }

    mState = READING;

    int64_t startTimeUs = ALooper::GetNowUs();

    mDelegate->initiateRead(data, size);

    int32_t bandwidth_bps;
	estimateBandwidth(&bandwidth_bps);
	int64_t readTimeoutUs = 0;
	if(bandwidth_bps > 0) {
		readTimeoutUs = (size * 8000000ll)/bandwidth_bps;
	}

	readTimeoutUs += mReadTimeoutUs;

    while (mState == READING) {
        //mCondition.wait(mLock);
        status_t err = mCondition.waitRelative(mLock, readTimeoutUs *1000ll);

        if(mForceDisconnect) {
          LOG_PRI(ANDROID_LOG_INFO, LOG_TAG, "disconnected, read return");
          return ERROR_IO;
        }
        
		if(err == -ETIMEDOUT) {
			LOG_PRI(ANDROID_LOG_INFO, LOG_TAG, "Read data timeout,"
					"maybe server didn't response us, return %d", err);

			return err;
		}
    }

    if (mIOResult < OK) {
        return mIOResult;
    }

    if (mState == CONNECTED) {
        int64_t delayUs = ALooper::GetNowUs() - startTimeUs;

        // The read operation was successful, mIOResult contains
        // the number of bytes read.
        addBandwidthMeasurement(mIOResult, delayUs);

        mCurrentOffset += mIOResult;
        return mIOResult;
    }

    return ERROR_IO;
}