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 }
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