18 * conditions and the following disclaimer in the documentation and/or other materials provided with 19 * the distribution. 20 * 21 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to 22 * endorse or promote products derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 26 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY 31 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 package org.openjdk.jmc.rjmx.services.internal; 34 35 import javax.management.MBeanServerConnection; 36 37 import org.openjdk.jmc.rjmx.ConnectionException; 38 import org.openjdk.jmc.rjmx.IConnectionHandle; 39 import org.openjdk.jmc.rjmx.ServiceNotAvailableException; 40 import org.openjdk.jmc.rjmx.services.ICommercialFeaturesService; 41 import org.openjdk.jmc.rjmx.services.IDiagnosticCommandService; 42 43 public class HotSpot23CommercialFeaturesService implements ICommercialFeaturesService { 44 private final static String VM_FLAG = "UnlockCommercialFeatures"; //$NON-NLS-1$ 45 private final static String UNLOCK_COMMAND = "VM.unlock_commercial_features"; //$NON-NLS-1$ 46 private final MBeanServerConnection server; 47 private final IDiagnosticCommandService dcs; 48 49 public HotSpot23CommercialFeaturesService(IConnectionHandle handle) 50 throws ConnectionException, ServiceNotAvailableException { 51 server = handle.getServiceOrThrow(MBeanServerConnection.class); 52 dcs = handle.getServiceOrNull(IDiagnosticCommandService.class); 53 try { 54 HotspotManagementToolkit.getVMOption(server, VM_FLAG); // Will fail if option is not available 55 } catch (Exception e) { 56 throw new ServiceNotAvailableException(""); //$NON-NLS-1$ 57 } 58 } 59 60 @Override 61 public boolean isCommercialFeaturesEnabled() { 62 try { 63 return ((String) HotspotManagementToolkit.getVMOption(server, VM_FLAG)).contains("true"); //$NON-NLS-1$ 64 } catch (Exception e) { 65 return false; 66 } 67 } 68 69 @Override 70 public void enableCommercialFeatures() throws Exception { 71 if (dcs != null) { 72 dcs.runCtrlBreakHandlerWithResult(UNLOCK_COMMAND); 73 } 74 if (!isCommercialFeaturesEnabled()) { 75 HotspotManagementToolkit.setVMOption(server, VM_FLAG, "true"); //$NON-NLS-1$ 76 } 77 } 78 } | 18 * conditions and the following disclaimer in the documentation and/or other materials provided with 19 * the distribution. 20 * 21 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to 22 * endorse or promote products derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 26 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY 31 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 package org.openjdk.jmc.rjmx.services.internal; 34 35 import javax.management.MBeanServerConnection; 36 37 import org.openjdk.jmc.rjmx.ConnectionException; 38 import org.openjdk.jmc.rjmx.ConnectionToolkit; 39 import org.openjdk.jmc.rjmx.IConnectionHandle; 40 import org.openjdk.jmc.rjmx.ServiceNotAvailableException; 41 import org.openjdk.jmc.rjmx.services.ICommercialFeaturesService; 42 import org.openjdk.jmc.rjmx.services.IDiagnosticCommandService; 43 import javax.management.ObjectName; 44 45 public class HotSpot23CommercialFeaturesService implements ICommercialFeaturesService { 46 private final static String VM_FLAG = "UnlockCommercialFeatures"; //$NON-NLS-1$ 47 private final static String UNLOCK_COMMAND = "VM.unlock_commercial_features"; //$NON-NLS-1$ 48 private final MBeanServerConnection server; 49 private final IDiagnosticCommandService dcs; 50 private final static String JFR2_MBEAN_OBJECT_NAME = "jdk.management.jfr:type=FlightRecorder"; //$NON-NLS-1$ 51 52 public HotSpot23CommercialFeaturesService(IConnectionHandle handle) 53 throws ConnectionException, ServiceNotAvailableException { 54 server = handle.getServiceOrThrow(MBeanServerConnection.class); 55 dcs = handle.getServiceOrNull(IDiagnosticCommandService.class); 56 try { 57 HotspotManagementToolkit.getVMOption(server, VM_FLAG); // Will fail if option is not available 58 } catch (Exception e) { 59 // Commercial Feature option is not available but Flighter Recorder is. 60 if (!isJfrMBeanAvailable()) { 61 throw new ServiceNotAvailableException(""); //$NON-NLS-1$ 62 } 63 } 64 } 65 66 @Override 67 public boolean isCommercialFeaturesEnabled() { 68 try { 69 return ((String) HotspotManagementToolkit.getVMOption(server, VM_FLAG)).contains("true"); //$NON-NLS-1$ 70 } catch (Exception e) { 71 // Commercial Feature option is not available but Flighter Recorder is. 72 if (isJfrMBeanAvailable()) { 73 return true; 74 } 75 return false; 76 } 77 } 78 79 @Override 80 public void enableCommercialFeatures() throws Exception { 81 if (dcs != null) { 82 dcs.runCtrlBreakHandlerWithResult(UNLOCK_COMMAND); 83 } 84 if (!isCommercialFeaturesEnabled()) { 85 HotspotManagementToolkit.setVMOption(server, VM_FLAG, "true"); //$NON-NLS-1$ 86 } 87 } 88 89 private boolean isJfrMBeanAvailable() { 90 try { 91 getJfrMBeanObjectName(); 92 return true; 93 } catch (Exception e) { 94 return false; 95 } 96 } 97 98 private ObjectName getJfrMBeanObjectName() throws Exception { 99 ObjectName candidateObjectName = ConnectionToolkit.createObjectName(JFR2_MBEAN_OBJECT_NAME); 100 server.getMBeanInfo(candidateObjectName); 101 return candidateObjectName; 102 } 103 } |