+/*
+ * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package org.argeo.slc.equinox;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.argeo.slc.SlcException;
-import org.argeo.slc.execution.ExecutionFlowDescriptor;
-import org.argeo.slc.execution.ExecutionModule;
+import org.argeo.slc.osgi.OsgiExecutionModulesManager;
+import org.argeo.slc.process.RealizedFlow;
+import org.eclipse.core.runtime.adaptor.EclipseStarter;
import org.eclipse.osgi.framework.console.CommandInterpreter;
import org.eclipse.osgi.framework.console.CommandProvider;
-import org.osgi.framework.Bundle;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.BundleException;
-import org.osgi.framework.FrameworkEvent;
-import org.osgi.framework.FrameworkListener;
-import org.osgi.framework.InvalidSyntaxException;
-import org.osgi.framework.ServiceReference;
-import org.osgi.service.packageadmin.PackageAdmin;
-import org.springframework.beans.factory.InitializingBean;
-import org.springframework.context.ApplicationContext;
-import org.springframework.osgi.context.BundleContextAware;
-public class ExecutionCommandProvider implements CommandProvider,
- BundleContextAware, FrameworkListener, InitializingBean {
+@SuppressWarnings("restriction")
+public class ExecutionCommandProvider implements CommandProvider {
private final static Log log = LogFactory
.getLog(ExecutionCommandProvider.class);
- private Long defaultTimeout = 10000l;
+ private final static String SLC_WITH_REFRESH = "slc";
+ private final static String SLC_NO_REFRESH = "slcnr";
- private BundleContext bundleContext;
+ private OsgiExecutionModulesManager modulesManager;
- private String lastModuleName = null;
- private String lastExecutionName = null;
+ private RealizedFlow lastLaunch = null;
- private final Object refreshedPackageSem = new Object();
+ public Object _slc(CommandInterpreter ci) {
+ return exec(SLC_WITH_REFRESH, ci);
+ }
- /** @deprecated Use slc command instead. */
- public Object _slc_exec(CommandInterpreter ci) {
- return _slc(ci);
+ public Object _slcnr(CommandInterpreter ci) {
+ return exec(SLC_NO_REFRESH, ci);
}
- public Object _slc(CommandInterpreter ci) {
+ protected Object exec(String slcCommand, CommandInterpreter ci) {
// TODO: check version
String firstArg = ci.nextArgument();
if (firstArg == null) {
- if (lastModuleName != null) {
- String cmd = "slc " + lastModuleName + " " + lastExecutionName;
+ if (lastLaunch != null) {
+ String cmd = slcCommand + " " + lastLaunch.getModuleName()
+ + " " + lastLaunch.getFlowDescriptor().getName();
if (log.isDebugEnabled())
log.debug("Execute again last command: " + cmd);
return ci.execute(cmd);
}
String executionName = ci.nextArgument();
- String moduleName = null;
-
- // First check whether we have a bundleId
- Long bundleId = null;
- try {
- bundleId = Long.parseLong(firstArg);
- } catch (NumberFormatException e) {
- // silent
- }
-
- // Look for bundle names containing pattern
- Bundle bundle = null;
- if (bundleId != null) {
- bundle = bundleContext.getBundle(bundleId);
- } else {
- for (Bundle b : bundleContext.getBundles()) {
- if (b.getSymbolicName().contains(firstArg)) {
- bundle = b;
- break;
- }
- }
- }
-
- if (bundle != null) {
- moduleName = bundle.getSymbolicName();
- lastModuleName = moduleName;
- lastExecutionName = executionName;
- } else {
- log
- .warn("Could not find any execution module matching these requirements.");
- return null;
- }
-
- // Find module
- ExecutionModule module = null;
- ServiceReference serviceRef = null;
- try {
- stopSynchronous(bundle);
- updateSynchronous(bundle);
- // Refresh in case there are fragments
- refreshSynchronous(bundle);
- startSynchronous(bundle);
-
- String filter = "(Bundle-SymbolicName=" + moduleName + ")";
- // Wait for application context to be ready
- getServiceRefSynchronous(ApplicationContext.class.getName(), filter);
-
- if (log.isDebugEnabled())
- log.debug("Bundle " + bundle.getSymbolicName()
- + " ready to be used at latest version.");
-
- ServiceReference[] sfs = getServiceRefSynchronous(
- ExecutionModule.class.getName(), filter);
-
- if (sfs.length > 1)
- log
- .warn("More than one execution module service found in module "
- + moduleName);
-
- if (sfs.length > 0) {
- serviceRef = sfs[0];
- module = (ExecutionModule) bundleContext.getService(serviceRef);
- }
-
- if (module != null) {
- ExecutionFlowDescriptor descriptor = new ExecutionFlowDescriptor();
- descriptor.setName(executionName);
- module.execute(descriptor);
- log.info("Executed " + executionName + " from " + moduleName);
- }
-
- } catch (Exception e) {
- throw new SlcException("Cannot find or update module.", e);
- } finally {
- if (serviceRef != null)
- bundleContext.ungetService(serviceRef);
- }
-
+ launch(slcCommand, firstArg, executionName);
return "COMMAND COMPLETED";
}
+ protected void launch(String slcCommand, String firstArg,
+ String executionName) {
+ lastLaunch = modulesManager.findRealizedFlow(firstArg, executionName);
+ if (lastLaunch == null)
+ throw new SlcException("Cannot find launch for " + firstArg + " "
+ + executionName);
+
+ // Execute
+ if (SLC_WITH_REFRESH.equals(slcCommand)) {
+ modulesManager.upgrade(lastLaunch.getModuleNameVersion());
+ modulesManager.execute(lastLaunch);
+ } else if (SLC_NO_REFRESH.equals(slcCommand))
+ modulesManager.execute(lastLaunch);
+ else
+ throw new SlcException("Unrecognized SLC command " + slcCommand);
+ }
+
public String getHelp() {
StringBuffer buf = new StringBuffer();
buf.append("---SLC Execution Commands---\n");
buf
- .append("\tslc (<id>|<segment of bsn>) <execution bean> - execute an execution flow (without arg, execute last)\n");
+ .append("\tslc (<id>|<segment of bsn>) <execution bean>"
+ + " - refresh the bundle, execute an execution flow (without arg, execute last)\n");
+ buf
+ .append("\tslcnr (<id>|<segment of bsn>) <execution bean>"
+ + " - execute an execution flow (without arg, execute last)\n");
return buf.toString();
}
- /** Updates bundle synchronously. */
- protected void updateSynchronous(Bundle bundle) throws BundleException {
- // int originalState = bundle.getState();
- bundle.update();
- boolean waiting = true;
-
- long begin = System.currentTimeMillis();
- do {
- int state = bundle.getState();
- if (state == Bundle.INSTALLED || state == Bundle.ACTIVE
- || state == Bundle.RESOLVED)
- waiting = false;
-
- sleep(100);
- if (System.currentTimeMillis() - begin > defaultTimeout)
- throw new SlcException("Update of bundle "
- + bundle.getSymbolicName()
- + " timed out. Bundle state = " + bundle.getState());
- } while (waiting);
-
- if (log.isTraceEnabled())
- log.debug("Bundle " + bundle.getSymbolicName() + " updated.");
+ public void setModulesManager(OsgiExecutionModulesManager osgiModulesManager) {
+ this.modulesManager = osgiModulesManager;
}
- /** Starts bundle synchronously. Does nothing if already started. */
- protected void startSynchronous(Bundle bundle) throws BundleException {
- int originalState = bundle.getState();
- if (originalState == Bundle.ACTIVE)
- return;
-
- bundle.start();
- boolean waiting = true;
-
- long begin = System.currentTimeMillis();
- do {
- if (bundle.getState() == Bundle.ACTIVE)
- waiting = false;
-
- sleep(100);
- if (System.currentTimeMillis() - begin > defaultTimeout)
- throw new SlcException("Start of bundle "
- + bundle.getSymbolicName()
- + " timed out. Bundle state = " + bundle.getState());
- } while (waiting);
-
- if (log.isTraceEnabled())
- log.debug("Bundle " + bundle.getSymbolicName() + " started.");
- }
-
- /** Stops bundle synchronously. Does nothing if already started. */
- protected void stopSynchronous(Bundle bundle) throws BundleException {
- int originalState = bundle.getState();
- if (originalState != Bundle.ACTIVE)
- return;
-
- bundle.stop();
- boolean waiting = true;
-
- long begin = System.currentTimeMillis();
- do {
- if (bundle.getState() != Bundle.ACTIVE
- && bundle.getState() != Bundle.STOPPING)
- waiting = false;
-
- sleep(100);
- if (System.currentTimeMillis() - begin > defaultTimeout)
- throw new SlcException("Stop of bundle "
- + bundle.getSymbolicName()
- + " timed out. Bundle state = " + bundle.getState());
- } while (waiting);
-
- if (log.isTraceEnabled())
- log.debug("Bundle " + bundle.getSymbolicName() + " stopped.");
- }
-
- /** Refresh bundle synchronously. Does nothing if already started. */
- protected void refreshSynchronous(Bundle bundle) throws BundleException {
- ServiceReference packageAdminRef = bundleContext
- .getServiceReference(PackageAdmin.class.getName());
- PackageAdmin packageAdmin = (PackageAdmin) bundleContext
- .getService(packageAdminRef);
- Bundle[] bundles = { bundle };
- packageAdmin.refreshPackages(bundles);
-
- synchronized (refreshedPackageSem) {
- try {
- refreshedPackageSem.wait(defaultTimeout);
- } catch (InterruptedException e) {
- // silent
- }
- }
-
- if (log.isTraceEnabled())
- log.debug("Bundle " + bundle.getSymbolicName() + " refreshed.");
- }
-
- public void frameworkEvent(FrameworkEvent event) {
- if (event.getType() == FrameworkEvent.PACKAGES_REFRESHED) {
- synchronized (refreshedPackageSem) {
- refreshedPackageSem.notifyAll();
- }
- }
- }
-
- protected ServiceReference[] getServiceRefSynchronous(String clss,
- String filter) throws InvalidSyntaxException {
- if (log.isTraceEnabled())
- log.debug("Filter: '" + filter + "'");
- ServiceReference[] sfs = null;
- boolean waiting = true;
- long begin = System.currentTimeMillis();
- do {
- sfs = bundleContext.getServiceReferences(clss, filter);
-
- if (sfs != null)
- waiting = false;
-
- sleep(100);
- if (System.currentTimeMillis() - begin > defaultTimeout)
- throw new SlcException("Search of services " + clss
- + " with filter " + filter + " timed out.");
- } while (waiting);
-
- return sfs;
- }
+ public void init() throws Exception {
+ final String module = System.getProperty("slc.launch.module");
+ final String executionName = System.getProperty("slc.launch.execution");
+ if (module != null) {
+ new Thread() {
+
+ @Override
+ public void run() {
+ try {
+ launch(SLC_NO_REFRESH, module, executionName);
+ // in case of failure OSGi runtime stays up and last
+ // launch can be used to debug by calling 'slc'
+ } catch (Exception e) {
+ throw new SlcException("Error when executing "
+ + executionName + " on " + module, e);
+ }
+ try {
+ EclipseStarter.shutdown();
+ } catch (Exception e) {
+ throw new SlcException("Cannot shutdown equinox.", e);
+ }
+ }
- protected void sleep(long ms) {
- try {
- Thread.sleep(ms);
- } catch (InterruptedException e) {
- // silent
+ }.start();
}
- }
-
- public void setBundleContext(BundleContext bundleContext) {
- this.bundleContext = bundleContext;
- }
- public void afterPropertiesSet() throws Exception {
- bundleContext.addFrameworkListener(this);
}
-
- public void setDefaultTimeout(Long defaultTimeout) {
- this.defaultTimeout = defaultTimeout;
- }
-
}
projects / gpl / argeo-slc.git / blobdiff