Examples with IntByReference com.sun.jna.ptr.IntByReference used on opensource projects

Example 86 with IntByReference

use of com.sun.jna.ptr.IntByReference in project jnanomsg by niwinz.

the class AbstractSocket method setSocketOpt.

public void setSocketOpt(SocketOption type, Object value) {
    int rc = 0;
    int typeVal = type.value();
    final int socket_level = OptionLevel.NN_SOL_SOCKET.value();
    final int sub_level = SocketType.NN_SUB.value();
    switch(type) {
        case NN_LINGER:
        case NN_SNDBUF:
        case NN_RCVBUF:
        case NN_RCVMAXSIZE:
        case NN_SNDTIMEO:
        case NN_RCVTIMEO:
        case NN_RECONNECT_IVL:
        case NN_RECONNECT_IVL_MAX:
        case NN_SNDPRIO:
        case NN_RCVPRIO:
        case NN_IPV4ONLY:
            final IntByReference valueRef = new IntByReference((Integer) value);
            final Pointer valuePtr = valueRef.getPointer();
            rc = nn_setsockopt(this.fd, socket_level, typeVal, valuePtr, 4);
            break;
        case NN_SUB_UNSUBSCRIBE:
        case NN_SUB_SUBSCRIBE:
            {
                byte[] topic;
                if (value instanceof byte[]) {
                    topic = (byte[]) value;
                } else if (value instanceof String) {
                    try {
                        topic = ((String) value).getBytes("UTF-8");
                    } catch (UnsupportedEncodingException e) {
                        throw new RuntimeException(e);
                    }
                } else {
                    throw new RuntimeException("Wrong type.");
                }
                final Memory mem = new Memory(topic.length);
                mem.write(0, topic, 0, topic.length);
                rc = nn_setsockopt(this.fd, sub_level, type.value(), mem, topic.length);
            }
            break;
        case NN_SOCKET_NAME:
            {
                byte[] name;
                if (value instanceof byte[]) {
                    name = (byte[]) value;
                } else if (value instanceof String) {
                    try {
                        name = ((String) value).getBytes("UTF-8");
                    } catch (UnsupportedEncodingException e) {
                        throw new RuntimeException(e);
                    }
                } else {
                    throw new RuntimeException("Wrong type.");
                }
                final Memory mem = new Memory(name.length);
                mem.write(0, name, 0, name.length);
                rc = nn_setsockopt(this.fd, socket_level, type.value(), mem, name.length);
            }
            break;
        default:
            throw new RuntimeException("Wrong property or value type.");
    }
    if (rc < 0) {
        Nanomsg.handleError(rc);
    }
}

Example 87 with IntByReference

use of com.sun.jna.ptr.IntByReference in project processing by processing.

the class WindowsRegistry method getSubKeys.

/**
   * Get all sub keys of a key.
   *
   * @param rootKey root key
   * @param parent key name
   * @return array with all sub key names
   */
public static String[] getSubKeys(REGISTRY_ROOT_KEY rootKey, String parent) {
    //Advapi32 advapi32;
    //int handle = 0, dwIndex;
    //char[] lpName;
    //IntByReference lpcName;
    //WinBase.FILETIME lpftLastWriteTime;
    TreeSet<String> subKeys = new TreeSet<String>();
    Advapi32 advapi32 = Advapi32.INSTANCE;
    HKEY handle = openKey(rootKey, parent, WinNT.KEY_READ);
    char[] lpName = new char[256];
    IntByReference lpcName = new IntByReference(256);
    WinBase.FILETIME lpftLastWriteTime = new WinBase.FILETIME();
    //if(handle != 0) {
    if (handle != null) {
        int dwIndex = 0;
        while (advapi32.RegEnumKeyEx(handle, dwIndex, lpName, lpcName, null, null, null, lpftLastWriteTime) == WinError.ERROR_SUCCESS) {
            subKeys.add(new String(lpName, 0, lpcName.getValue()));
            lpcName.setValue(256);
            dwIndex++;
        }
        advapi32.RegCloseKey(handle);
    }
    return subKeys.toArray(new String[] {});
}

Example 88 with IntByReference

use of com.sun.jna.ptr.IntByReference in project processing by processing.

the class WindowsRegistry method createKey.

/**
   * Create a new key.
   *
   * @param rootKey root key
   * @param parent name of parent key
   * @param name key name
   * @return true on success
   */
public static boolean createKey(REGISTRY_ROOT_KEY rootKey, String parent, String name) {
    //Advapi32 advapi32;
    //IntByReference hkResult, dwDisposition;
    //int handle = 0;
    Advapi32 advapi32 = Advapi32.INSTANCE;
    //IntByReference hkResult = new IntByReference();
    HKEYByReference hkResult = new HKEYByReference();
    IntByReference dwDisposition = new IntByReference();
    HKEY handle = openKey(rootKey, parent, WinNT.KEY_READ);
    boolean ret = false;
    //if(handle != 0) {
    if (handle != null) {
        if (advapi32.RegCreateKeyEx(handle, name, 0, null, WinNT.REG_OPTION_NON_VOLATILE, WinNT.KEY_READ, null, hkResult, dwDisposition) == WinError.ERROR_SUCCESS) {
            ret = true;
            advapi32.RegCloseKey(hkResult.getValue());
        } else {
            ret = false;
        }
        advapi32.RegCloseKey(handle);
    }
    return ret;
}

Example 89 with IntByReference

use of com.sun.jna.ptr.IntByReference in project processing by processing.

the class WindowsRegistry method valueExists.

/**
   * Check for existence of a value.
   *
   * @param rootKey root key
   * @param subKeyName key name
   * @param name value name
   * @return true if exists
   */
public static boolean valueExists(REGISTRY_ROOT_KEY rootKey, String subKeyName, String name) {
    //Advapi32 advapi32;
    //IntByReference pType, lpcbData;
    //int handle = 0;
    Advapi32 advapi32 = Advapi32.INSTANCE;
    IntByReference pType = new IntByReference();
    IntByReference lpcbData = new IntByReference();
    HKEY handle = openKey(rootKey, subKeyName, WinNT.KEY_READ);
    byte[] lpData = new byte[1];
    boolean ret = false;
    //if(handle != 0) {
    if (handle != null) {
        //if (advapi32.RegQueryValueEx(handle, name, null, pType, lpData, lpcbData) != WinError.ERROR_FILE_NOT_FOUND) {
        if (advapi32.RegQueryValueEx(handle, name, 0, pType, lpData, lpcbData) != WinError.ERROR_FILE_NOT_FOUND) {
            ret = true;
        } else {
            ret = false;
        }
        advapi32.RegCloseKey(handle);
    }
    return ret;
}

Example 90 with IntByReference

use of com.sun.jna.ptr.IntByReference in project processing by processing.

the class WindowsRegistry method getIntValue.

/**
   * Read an int value.
   *
   * @return int or 0
   * @param rootKey root key
   * @param subKeyName key name
   * @param name value name
   */
public static int getIntValue(REGISTRY_ROOT_KEY rootKey, String subKeyName, String name) {
    Advapi32 advapi32 = Advapi32.INSTANCE;
    IntByReference pType = new IntByReference();
    IntByReference lpcbData = new IntByReference();
    HKEY handle = openKey(rootKey, subKeyName, WinNT.KEY_READ);
    int ret = 0;
    byte[] lpData = new byte[1];
    //if(handle != 0) {
    if (handle != null) {
        //if (advapi32.RegQueryValueEx(handle, name, null, pType, lpData, lpcbData) == WinError.ERROR_MORE_DATA) {
        if (advapi32.RegQueryValueEx(handle, name, 0, pType, lpData, lpcbData) == WinError.ERROR_MORE_DATA) {
            lpData = new byte[lpcbData.getValue()];
            //if(advapi32.RegQueryValueEx(handle, name, null, pType, lpData, lpcbData) == WinError.ERROR_SUCCESS) {
            if (advapi32.RegQueryValueEx(handle, name, 0, pType, lpData, lpcbData) == WinError.ERROR_SUCCESS) {
                ret = convertBufferToInt(lpData);
            }
        }
        advapi32.RegCloseKey(handle);
    }
    return ret;
}