C++ Properties::length方法代码示例

void amplifier_i::configure(const CF::Properties& props) throw (CORBA::SystemException, CF::PropertySet::InvalidConfiguration, CF::PropertySet::PartialConfiguration)
{
    static int init = 0;

    std::cout << "Component -AMPLIFIER" << std::endl;
    std::cout << " Props length = " << props.length() << std::endl;

    if (init == 0) {
        if ( props.length() <= 0 ) {
            std::cout << "amplifier: configure called with invalid props.length() - " << props.length() << std::endl;
            return;
        }
        propertySet.length(props.length());
        for (unsigned int i=0; i < props.length(); i++) {
            propertySet[i].id = CORBA::string_dup(props[i].id);
            propertySet[i].value = props[i].value;
        }
        init++;
    }

    for (unsigned int i=0; i < props.length(); i++) {
        if (strcmp(props[i].id, "DCE:06b88d4f-dd38-44e6-bc49-82db0eba5bc6") == 0) {
            CORBA::Float simple_temp;
            props[i].value >>= simple_temp;
            simple_0_value = simple_temp;
            for (unsigned int j=0; j < propertySet.length(); j++ ) {
                if ( strcmp(propertySet[j].id, props[i].id) == 0 ) {
                    propertySet[j].value = props[i].value;
                    break;
                }
            }
        }

        else if (strcmp(props[i].id, "DCE:df91b1a8-9c83-44b4-bf2c-0dbeacb2b6f4") == 0) {

void Channel_i::configure(const CF::Properties& props)
throw (CORBA::SystemException,
       CF::PropertySet::InvalidConfiguration,
       CF::PropertySet::PartialConfiguration)
{
    static int init = 0;
    DEBUG(3, Channel, "configure() invoked")

    if (init == 0) {
        if ( props.length() <= 0 ) {
            std::cout << "Channel: configure called with invalid props.length() - " << props.length() << std::endl;
            return;
        }

        propertySet.length(props.length());
        for (unsigned int i=0; i < props.length(); i++) {
            std::cout << "Property Id : " << props[i].id << std::endl;
            propertySet[i].id = CORBA::string_dup(props[i].id);
            propertySet[i].value = props[i].value;
        }
        init = 1;
    }
    for (unsigned int i=0; i < props.length(); i++) {
        if (strcmp(props[i].id, "DCE:1d91b55a-2fcb-4d2d-ad7b-1ee58c32cad8") == 0) {
            //The number of samples per symbol
            CORBA::Short simple_temp;
            props[i].value >>= simple_temp;
            Ns = simple_temp;
            for (unsigned int j=0; j < propertySet.length(); j++ ) {
                if ( strcmp(propertySet[j].id, props[i].id) == 0 ) {
                    propertySet[j].value = props[i].value;
                    break;
                }
            }
        } else if (strcmp(props[i].id, "DCE:eddc66ce-8a82-11dd-ae05-0016769e497b") == 0) {

bool AllocationManager_impl::allocateDevice(const CF::Properties& requestedProperties, ossie::DeviceNode& node, CF::Properties& allocatedProperties, const std::vector<std::string>& processorDeps, const std::vector<ossie::SPD::NameVersionPair>& osDeps)
{
    if (!ossie::corba::objectExists(node.device)) {
        LOG_WARN(AllocationManager_impl, "Not using device for uses_device allocation " << node.identifier << " because it no longer exists");
        return false;
    }
    try {
        if (node.device->usageState() == CF::Device::BUSY) {
            return false;
        }
    } catch ( ... ) {
        // bad device reference or device in an unusable state
        LOG_WARN(AllocationManager_impl, "Unable to verify state of device " << node.identifier);
        return false;
    }

    LOG_TRACE(AllocationManager_impl, "Allocating against device " << node.identifier);

    // Determine whether or not the device in question has the required matching properties
    CF::Properties allocProps;
    if (!checkDeviceMatching(node.prf, allocProps, requestedProperties, processorDeps, osDeps)) {
        LOG_TRACE(AllocationManager_impl, "Matching failed");
        return false;
    }

    // If there are no external properties to allocate, the allocation is
    // already successful
    if (allocProps.length() == 0) {
        LOG_TRACE(AllocationManager_impl, "Allocation requires no capacity from device");
        return true;
    }

    // If there are duplicates in the allocation sequence, break up the allocation into multiple calls
    std::vector<CF::Properties> allocations;
    partitionProperties(allocProps, allocations);

    LOG_TRACE(AllocationManager_impl, "Allocating " << allocProps.length() << " properties ("
              << allocations.size() << " calls)");
    try {
        if (!this->completeAllocations(node.device, allocations)) {
            LOG_TRACE(AllocationManager_impl, "Device lacks sufficient capacity");
            return false;
        }
    } catch (const CF::Device::InvalidCapacity& e) {
        LOG_TRACE(AllocationManager_impl, "Device reported invalid capacity");
        return false;
    } catch (const CF::Device::InsufficientCapacity& e) {
        LOG_TRACE(AllocationManager_impl, "Device reported insufficient capacity");
        return false;
    }

    // Transfer ownership of the allocated properties to the caller
    ossie::corba::move(allocatedProperties, allocProps);
    LOG_TRACE(AllocationManager_impl, "Allocation successful");
    return true;
}

void TestCppsoftpkgDeps::testMemberCallbacks (CF::Properties& testValues)
{
    // Set up notification to call `this->propertyChanged()` when any of the
    // test values are changed via `configure()`.
    LOG_DEBUG(TestCppsoftpkgDeps, "Setting up " << testValues.length() << " member function callback(s)");
    for (CORBA::ULong ii = 0; ii < testValues.length(); ++ii) {
        const std::string id = static_cast<const char*>(testValues[ii].id);
        setPropertyChangeListener(id, this, &TestCppsoftpkgDeps::propertyChanged);
    }
    
    testCallbacks(testValues);
}

void SPDImplementation::parseUsesDevices(TiXmlElement *elem)
{
    DEBUG(4, SPDImplementation, "In parseUsesDevices.");

    TiXmlElement *uses = elem->FirstChildElement("usesdevice");

    for (; uses; uses = uses->NextSiblingElement("usesdevice")) {
        const char *id = uses->Attribute("id");
        const char *type = uses->Attribute("type");

        CF::Properties props;
        unsigned int i(0);

        TiXmlElement *prop = uses->FirstChildElement("propertyref");
        for (; prop; prop = prop->NextSiblingElement("propertyref")) {
            const char *refid = prop->Attribute("refid");
            const char *value = prop->Attribute("value");
            props.length(i+1);
            props[i].id = CORBA::string_dup (refid);
            props[i].value <<= value;
            i++;
        }

        usesDevice.push_back(new SPDUsesDevice (id, type, props));
    }
}

static time_t getModTime (const CF::Properties& properties)
{
    CORBA::ULongLong modTime = 0;
    for (CORBA::ULong ii = 0; ii < properties.length(); ++ii) {
        if (strcmp(properties[ii].id, "MODIFIED_TIME") == 0) {
            properties[ii].value >>= modTime;
        }
    }

void AudioTestSource_i::validate(CF::Properties property, CF::Properties& validProps, CF::Properties& invalidProps)
{
    for (CORBA::ULong ii = 0; ii < property.length (); ++ii) {
        std::string id((const char*)property[ii].id);
        // Certian properties cannot be set while the component is running
        if (_started) {
            if (id == "sample-rate") {
            	LOG_WARN(AudioTestSource_i, "'sample-rate' cannot be changed while component is running.")
                CORBA::ULong count = invalidProps.length();
                invalidProps.length(count + 1);
                invalidProps[count].id = property[ii].id;
                invalidProps[count].value = property[ii].value;
            } else if (id == "is-live") {
            	LOG_WARN(AudioTestSource_i, "'is-live' cannot be changed while component is running.")
            	CORBA::ULong count = invalidProps.length();
				invalidProps.length(count + 1);
				invalidProps[count].id = property[ii].id;
				invalidProps[count].value = property[ii].value;
            } else if (id == "stream_id") {
            	LOG_WARN(AudioTestSource_i, "'is-stream_id' cannot be changed while component is running.")
            	CORBA::ULong count = invalidProps.length();
				invalidProps.length(count + 1);
				invalidProps[count].id = property[ii].id;
				invalidProps[count].value = property[ii].value;
            }
        }
    }

}

void AutomaticGainControl_i::query(CF::Properties & configProperties)
throw (CORBA::SystemException, CF::UnknownProperties)
{
    if (configProperties.length () == 0) {
        configProperties.length (propertySet.length ());
        for (unsigned int i = 0; i < propertySet.length (); i++) {
            configProperties[i].id = CORBA::string_dup (propertySet[i].id);
            configProperties[i].value = propertySet[i].value;
        }
        return ;
    } else {
        for (unsigned int i = 0; i < configProperties.length(); i++) {
            for (unsigned int j=0; j < propertySet.length(); j++) {
                if ( strcmp(configProperties[i].id, propertySet[j].id) == 0 ) {
                    configProperties[i].value = propertySet[j].value;
                }
            }
        }
    }
}

void AutomaticGainControl_i::configure(const CF::Properties& props) throw (CORBA::SystemException, CF::PropertySet::InvalidConfiguration, CF::PropertySet::PartialConfiguration)
{
    static int init = 0;

    CORBA::Float simple_temp;

    DEBUG(3, AutomaticGainControl, "configure() invoked")

    DEBUG(3, AutomaticGainControl, "props length : " << props.length())

    if (init == 0) {
        if ( props.length() <= 0 ) {
            std::cout << "AutomaticGainControl: configure called with invalid props.length() - " << props.length() << std::endl;
            return;
        }

        propertySet.length(props.length());
        for (unsigned int i=0; i < props.length(); i++) {
            propertySet[i].id = CORBA::string_dup(props[i].id);
            propertySet[i].value = props[i].value;
        }
        init++;
    }

    for (unsigned int i=0; i < props.length(); i++) {
        std::cout << "Property Id : " << props[i].id << std::endl;
        if (strcmp(props[i].id, "DCE:aaf97fa0-d184-4d88-9954-3a1334c73d6d") == 0) {
            // energy_lo
            props[i].value >>= simple_temp;
            omni_mutex_lock oml(accessPrivateData);
            energy_lo = simple_temp;
            // Update value of this property in propertySet also
            for (unsigned int j=0; j < propertySet.length(); j++ ) {
                if ( strcmp(propertySet[j].id, props[i].id) == 0 ) {
                    propertySet[j].value = props[i].value;
                    break;
                }
            }
            DEBUG(3, AutomaticGainControl, "prop (energy_lo): " << simple_temp)

        } else if (strcmp(props[i].id, "DCE:346e17c9-6678-483a-bffb-1909c64bddc0") == 0) {

void writeBytestoFile_i::query( CF::Properties & configProperties ) throw (CORBA::SystemException, CF::UnknownProperties)
{
	if( configProperties.length() == 0 )
	{
		configProperties.length( propertySet.length() );
		for( int i = 0; i < propertySet.length(); i++ )
		{
			configProperties[i].id = CORBA::string_dup( propertySet[i].id );
			configProperties[i].value = propertySet[i].value;
		}
		return;
	} else {
		for( int i = 0; i < configProperties.length(); i++ ) {
			for( int j = 0; j < propertySet.length(); j++ ) {
				if( strcmp(configProperties[i].id, propertySet[j].id) == 0 ) {
					configProperties[i].value = propertySet[j].value;
				}
			}
		}
	} // end if-else
}

void AllocationManager_impl::partitionProperties(const CF::Properties& properties, std::vector<CF::Properties>& outProps)
{
    std::set<std::string> identifiers;
    size_t start = 0;
    for (size_t index = 0; index < properties.length(); ++index) {
        const std::string propertyID(properties[index].id);
        if (identifiers.count(propertyID) > 0) {
            // Duplicate property, partition at this point
            outProps.push_back(ossie::corba::slice(properties, start, index));

            start = index;
            identifiers.clear();
        }
        identifiers.insert(propertyID);
    }

    // Copy remaining partition
    if (start < properties.length()) {
        outProps.push_back(ossie::corba::slice(properties, start));
    }
}

void
PropertySet_impl::configure (const CF::Properties & configProperties)
throw (CORBA::SystemException, CF::PropertySet::InvalidConfiguration,
CF::PropertySet::PartialConfiguration)
{
    if (propertySet.length () == 0)
    {
        propertySet.length (configProperties.length ());

        for (unsigned int i = 0; i < configProperties.length (); i++)
        {
            propertySet[i].id = CORBA::string_dup (configProperties[i].id);

            propertySet[i].value = configProperties[i].value;

            CORBA::Short len = -1;

            propertySet[i].value >>= len;
        }

        return;
    }

bool AllocationManager_impl::checkDeviceMatching(ossie::Properties& prf, CF::Properties& externalProperties, const CF::Properties& dependencyProperties, const std::vector<std::string>& processorDeps, const std::vector<ossie::SPD::NameVersionPair>& osDeps)
{
    // Check for a matching processor, which only happens in deployment
    if (!processorDeps.empty()) {
        if (!ossie::checkProcessor(processorDeps, prf.getAllocationProperties())) {
            LOG_TRACE(AllocationManager_impl, "Device did not match requested processor");
            return false;
        } else {
            LOG_TRACE(AllocationManager_impl, "Matched processor name");
        }
    }

    // Likewise, check for OS name/version
    if (!osDeps.empty()) {
        if (!ossie::checkOs(osDeps, prf.getAllocationProperties())) {
            LOG_TRACE(AllocationManager_impl, "Device did not match requested OS name/version");
            return false;
        } else {
            LOG_TRACE(AllocationManager_impl, "Matched OS name/version");
        }
    }

    int matches = 0;

    for (unsigned int index = 0; index < dependencyProperties.length(); ++index) {
        const CF::DataType& dependency = dependencyProperties[index];
        const std::string propId(dependency.id);
        const ossie::Property* property = prf.getAllocationProperty(propId);

        if (!property) {
            LOG_TRACE(AllocationManager_impl, "Device has no property " << propId);
            return false;
        } else if (property->isExternal()) {
            // Collect properties with an action of "external" for a later
            // allocateCapacity() call
            LOG_TRACE(AllocationManager_impl, "Adding external property " << propId);
            ossie::corba::push_back(externalProperties, ossie::convertDataTypeToPropertyType(dependency, property));
        } else {
            // Evaluate matching properties right now
            if (!checkMatchingProperty(property, dependency)) {
                return false;
            } else {
                ++matches;
            }
        }
    }

    LOG_TRACE(AllocationManager_impl, "Matched " << matches << " properties");
    return true;
}

void
amplifier_i::query (CF::Properties & configProperties)
throw (CORBA::SystemException, CF::UnknownProperties)
{
// for queries of zero length, return all id/value pairs in propertySet
    if (configProperties.length () == 0) {
        configProperties.length (propertySet.length ());
        for (unsigned int i = 0; i < propertySet.length (); i++) {
            configProperties[i].id = CORBA::string_dup (propertySet[i].id);
            configProperties[i].value = propertySet[i].value;
        }

        return ;
    } else {
        for (unsigned int i = 0; i < configProperties.length(); i++) {
            for (unsigned int j=0; j < propertySet.length(); j++) {
                if ( strcmp(configProperties[i].id, propertySet[j].id) == 0 ) {
                    configProperties[i].value = propertySet[j].value;
                }
            }
        }
    }
}

CORBA::ULongLong FileManager_impl::getCombinedProperty (const char* propId)
{
    CORBA::ULongLong totalSize = 0;
    for (MountList::iterator mount = mountedFileSystems.begin(); mount != mountedFileSystems.end(); ++mount) {
        CF::Properties props;
        props.length(1);
        props[0].id = propId;
        mount->fs->query(props);
        CORBA::ULongLong fsSize;
        props[0].value >>= fsSize;
        totalSize += fsSize;
    }

    return totalSize;
}