TMF: Possibility to generate a session configuration from a ISessionInfo

With this feature we are able to generate a XML session configuration which
can be used to recreate a trace session on the target side.

Change-Id: I9786f322842b5166376f67d522907fa6bdc84edb
Signed-off-by: Guilliano Molaire <guilliamo-jaime.molaire@polymtl.ca>
Reviewed-on: https://git.eclipse.org/r/23425
Tested-by: Hudson CI
Reviewed-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
Reviewed-by: Genevieve Bastien <gbastien+lttng@versatic.net>
Tested-by: Genevieve Bastien <gbastien+lttng@versatic.net>

11 files changed, 1201 insertions, 3 deletions

diff --git a/lttng/org.eclipse.linuxtools.lttng2.core.tests/META-INF/MANIFEST.MF b/lttng/org.eclipse.linuxtools.lttng2.core.tests/META-INF/MANIFEST.MF
index ebfb28e627..5497d26999 100644
--- a/lttng/org.eclipse.linuxtools.lttng2.core.tests/META-INF/MANIFEST.MF
+++ b/lttng/org.eclipse.linuxtools.lttng2.core.tests/META-INF/MANIFEST.MF
@@ -9,6 +9,7 @@ Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-1.7
 Require-Bundle: org.junit;bundle-version="4.0.0",
  org.eclipse.core.runtime,
- org.eclipse.linuxtools.lttng2.core;bundle-version="3.0.0"
+ org.eclipse.linuxtools.lttng2.core;bundle-version="3.0.0",
+ org.eclipse.linuxtools.tmf.core;bundle-version="3.0.0"
 Export-Package: org.eclipse.linuxtools.lttng2.core.tests;x-friends:="org.eclipse.linuxtools.lttng.alltests",
  org.eclipse.linuxtools.lttng2.core.tests.control.model.impl;x-internal:=true
diff --git a/lttng/org.eclipse.linuxtools.lttng2.core.tests/src/org/eclipse/linuxtools/lttng2/core/tests/AllTests.java b/lttng/org.eclipse.linuxtools.lttng2.core.tests/src/org/eclipse/linuxtools/lttng2/core/tests/AllTests.java
index 6248314ea8..41ff5dcaae 100644
--- a/lttng/org.eclipse.linuxtools.lttng2.core.tests/src/org/eclipse/linuxtools/lttng2/core/tests/AllTests.java
+++ b/lttng/org.eclipse.linuxtools.lttng2.core.tests/src/org/eclipse/linuxtools/lttng2/core/tests/AllTests.java
@@ -22,7 +22,8 @@ import org.junit.runners.Suite;
 @RunWith(Suite.class)
 @Suite.SuiteClasses({
     ActivatorTest.class,
-    org.eclipse.linuxtools.lttng2.core.tests.control.model.impl.AllTests.class
+    org.eclipse.linuxtools.lttng2.core.tests.control.model.impl.AllTests.class,
+    org.eclipse.linuxtools.lttng2.core.tests.session.AllTests.class
 })
 public class AllTests {
 
diff --git a/lttng/org.eclipse.linuxtools.lttng2.core.tests/src/org/eclipse/linuxtools/lttng2/core/tests/session/AllTests.java b/lttng/org.eclipse.linuxtools.lttng2.core.tests/src/org/eclipse/linuxtools/lttng2/core/tests/session/AllTests.java
new file mode 100644
index 0000000000..985e99cd69
--- /dev/null
+++ b/lttng/org.eclipse.linuxtools.lttng2.core.tests/src/org/eclipse/linuxtools/lttng2/core/tests/session/AllTests.java
@@ -0,0 +1,26 @@
+/**********************************************************************
+ * Copyright (c) 2014 École Polytechnique de Montréal
+ *
+ * All rights reserved. This program and the accompanying materials are
+ * made available under the terms of the Eclipse Public License v1.0 which
+ * accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Guilliano Molaire - Initial API and implementation
+ *********************************************************************/
+package org.eclipse.linuxtools.lttng2.core.tests.session;
+
+import org.junit.runner.RunWith;
+import org.junit.runners.Suite;
+
+/**
+ * Run all the tests in the lttng2.core.session plugin.
+ */
+@RunWith(Suite.class)
+@Suite.SuiteClasses({
+    SessionConfigGeneratorTest.class
+})
+public class AllTests {
+
+}
diff --git a/lttng/org.eclipse.linuxtools.lttng2.core.tests/src/org/eclipse/linuxtools/lttng2/core/tests/session/SessionConfigGeneratorTest.java b/lttng/org.eclipse.linuxtools.lttng2.core.tests/src/org/eclipse/linuxtools/lttng2/core/tests/session/SessionConfigGeneratorTest.java
new file mode 100644
index 0000000000..78fb9ea68f
--- /dev/null
+++ b/lttng/org.eclipse.linuxtools.lttng2.core.tests/src/org/eclipse/linuxtools/lttng2/core/tests/session/SessionConfigGeneratorTest.java
@@ -0,0 +1,155 @@
+/**********************************************************************
+ * Copyright (c) 2014 École Polytechnique de Montréal
+ *
+ * All rights reserved. This program and the accompanying materials are
+ * made available under the terms of the Eclipse Public License v1.0 which
+ * accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Guilliano Molaire - Initial API and implementation
+ *********************************************************************/
+package org.eclipse.linuxtools.lttng2.core.tests.session;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.File;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.linuxtools.internal.lttng2.core.Activator;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.IDomainInfo;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.ISessionInfo;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.TraceSessionState;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.impl.BufferType;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.impl.SessionInfo;
+import org.eclipse.linuxtools.lttng2.core.session.SessionConfigGenerator;
+import org.eclipse.linuxtools.lttng2.core.session.SessionConfigStrings;
+import org.eclipse.linuxtools.lttng2.core.tests.control.model.impl.ModelImplFactory;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * This class contains tests for the class {@link SessionConfigGenerator}.
+ */
+public class SessionConfigGeneratorTest {
+
+    // ------------------------------------------------------------------------
+    // Test data
+    // ------------------------------------------------------------------------
+
+    /** Session files for validation */
+    private static final File VALID_SESSION_FILE = new File("../org.eclipse.linuxtools.lttng2.core.tests/test_session_config_files/test_valid.lttng");
+    private static final File INVALID_SESSION_FILE = new File("../org.eclipse.linuxtools.lttng2.core.tests/test_session_config_files/test_invalid.lttng");
+
+    private static final String SESSION_FILENAME = "test_session." + SessionConfigStrings.SESSION_CONFIG_FILE_EXTENSION;
+    private static final IPath SESSION_FILE_PATH = Activator.getDefault().getStateLocation().addTrailingSeparator().append(SESSION_FILENAME);
+    private static final String TRACE_SESSION_PATH = "/home/user/folder";
+
+    private static final String SESSION_NAME_1 = "session1";
+    private static final String SESSION_NAME_2 = "session2";
+    private static final String SESSION_NAME_3 = "session3";
+
+    /** Session informations for generation tests */
+    private ISessionInfo fValidSessionInfo = null;
+    private ISessionInfo fValidSessionSnapshotInfo = null;
+    private ISessionInfo fInvalidSessionInfo = null;
+
+    // ------------------------------------------------------------------------
+    // Housekeeping
+    // ------------------------------------------------------------------------
+    /**
+     * Perform pre-test initialization.
+     */
+    @Before
+    public void setUp() {
+        /* A valid domain with shared buffer type */
+        ModelImplFactory factory = new ModelImplFactory();
+        IDomainInfo domain = factory.getDomainInfo1();
+        domain.setBufferType(BufferType.BUFFER_SHARED);
+
+        /* The valid sessions */
+        fValidSessionInfo = new SessionInfo(SESSION_NAME_1);
+        fValidSessionInfo.setSessionPath(TRACE_SESSION_PATH);
+        fValidSessionInfo.setSessionState(TraceSessionState.ACTIVE);
+        fValidSessionInfo.addDomain(domain);
+
+        fValidSessionSnapshotInfo = new SessionInfo(SESSION_NAME_2);
+        fValidSessionSnapshotInfo.setSessionPath(TRACE_SESSION_PATH);
+        fValidSessionSnapshotInfo.setSessionState(TraceSessionState.ACTIVE);
+        fValidSessionSnapshotInfo.addDomain(domain);
+        fValidSessionSnapshotInfo.setSnapshotInfo(factory.getSnapshotInfo1());
+
+        /* The invalid session contains an event with an invalid type */
+        fInvalidSessionInfo = factory.getSessionInfo2();
+        fInvalidSessionInfo.setName(SESSION_NAME_3);
+    }
+
+    /**
+     * Delete the session file created
+     */
+    @After
+    public void tearUp() {
+        /* Tear up the file created if it exists */
+        File sessionConfigurationFile = SESSION_FILE_PATH.toFile();
+        if (sessionConfigurationFile.exists()) {
+            sessionConfigurationFile.delete();
+        }
+
+    }
+
+    // ------------------------------------------------------------------------
+    // Tests
+    // ------------------------------------------------------------------------
+
+    /**
+     * Test method for {@link SessionConfigGenerator#sessionValidate(File)}
+     */
+    @Test
+    public void testSessionValidate() {
+        File testSessionFile = VALID_SESSION_FILE;
+        if ((testSessionFile == null) || !testSessionFile.exists()) {
+            fail("Session test file does not exist");
+        }
+        IStatus status = SessionConfigGenerator.sessionValidate(testSessionFile);
+        if (!status.isOK()) {
+            fail(status.getMessage());
+        }
+
+        testSessionFile = INVALID_SESSION_FILE;
+        if ((testSessionFile == null) || !testSessionFile.exists()) {
+            fail("Session test file does not exist");
+        }
+        assertFalse(SessionConfigGenerator.sessionValidate(testSessionFile).isOK());
+    }
+
+    /**
+     * Test method for
+     * {@link SessionConfigGenerator#generateSessionConfig(Set, IPath)}
+     */
+    @Test
+    public void testGenerateSessionConfig() {
+        /* Should fail since it's empty */
+        final Set<ISessionInfo> sessions = new HashSet<>();
+        assertFalse(SessionConfigGenerator.generateSessionConfig(sessions, SESSION_FILE_PATH).isOK());
+
+        /* Add a valid session and validate */
+        sessions.add(fValidSessionInfo);
+        assertTrue(SessionConfigGenerator.generateSessionConfig(sessions, SESSION_FILE_PATH).isOK());
+        assertTrue(SessionConfigGenerator.sessionValidate(SESSION_FILE_PATH.toFile()).isOK());
+
+        /* Add a valid snapshot session and validate */
+        sessions.add(fValidSessionSnapshotInfo);
+        assertTrue(SessionConfigGenerator.generateSessionConfig(sessions, SESSION_FILE_PATH).isOK());
+        assertTrue(SessionConfigGenerator.sessionValidate(SESSION_FILE_PATH.toFile()).isOK());
+
+        /* Add an invalid session */
+        sessions.add(fInvalidSessionInfo);
+        assertFalse(SessionConfigGenerator.generateSessionConfig(sessions, SESSION_FILE_PATH).isOK());
+    }
+}
diff --git a/lttng/org.eclipse.linuxtools.lttng2.core.tests/test_session_config_files/test_invalid.lttng b/lttng/org.eclipse.linuxtools.lttng2.core.tests/test_session_config_files/test_invalid.lttng
new file mode 100644
index 0000000000..d13f485874
--- /dev/null
+++ b/lttng/org.eclipse.linuxtools.lttng2.core.tests/test_session_config_files/test_invalid.lttng
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>

+ <!--***************************************************************************

+ * Copyright(C) 2014 École Polytechnique de Montréal

+ *

+ * All rights reserved. This program and the accompanying materials are

+ * made available under the terms of the Eclipse Public License v1.0 which

+ * accompanies this distribution, and is available at

+ * http://www.eclipse.org/legal/epl-v10.html

+ *

+ * Contributors:

+ *   Guilliano Molaire - Initial API and implementation

+ ***************************************************************************

+ This is an invalid session configuration file. The domain type

+ is missing.-->

+<sessions>

+    <session>

+        <name>auto-20140323-130527</name>

+        <started>false</started>

+        <domains>

+            <domain>

+                <buffer_type>GLOBAL</buffer_type>

+                <channels>

+                    <channel>

+                        <name>channel0</name>

+                        <overwrite_mode>DISCARD</overwrite_mode>

+                        <subbuffer_count>4</subbuffer_count>

+                        <switch_timer_interval>0</switch_timer_interval>

+                        <tracefile_size>0</tracefile_size>

+                        <tracefile_count>0</tracefile_count>

+                        <live_timer_interval>0</live_timer_interval>

+                        <enabled>false</enabled>

+                        <subbuffer_size>262144</subbuffer_size>

+                        <read_timer_interval>200000</read_timer_interval>

+                        <output_type>SPLICE</output_type>

+                        <events>

+                            <event>

+                                <name>exit_syscall</name>

+                                <enabled>true</enabled>

+                                <type>TRACEPOINT</type>

+                            </event>

+                        </events>

+                    </channel>

+                </channels>

+            </domain>

+        </domains>

+        <output>

+            <consumer_output>

+                <enabled>true</enabled>

+                <destination>

+                    <path>/home/user/folder</path>

+                </destination>

+            </consumer_output>

+        </output>

+    </session>

+</sessions>

diff --git a/lttng/org.eclipse.linuxtools.lttng2.core.tests/test_session_config_files/test_valid.lttng b/lttng/org.eclipse.linuxtools.lttng2.core.tests/test_session_config_files/test_valid.lttng
new file mode 100644
index 0000000000..4dea4df351
--- /dev/null
+++ b/lttng/org.eclipse.linuxtools.lttng2.core.tests/test_session_config_files/test_valid.lttng
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>

+ <!--***************************************************************************

+ * Copyright(C) 2014 École Polytechnique de Montréal

+ *

+ * All rights reserved. This program and the accompanying materials are

+ * made available under the terms of the Eclipse Public License v1.0 which

+ * accompanies this distribution, and is available at

+ * http://www.eclipse.org/legal/epl-v10.html

+ *

+ * Contributors:

+ *   Guilliano Molaire - Initial API and implementation

+ ***************************************************************************

+ This is a valid session configuration file. All mandatory

+ elements are provided.-->

+<sessions>

+    <session>

+        <name>auto-20140323-130527</name>

+        <started>false</started>

+        <domains>

+            <domain>

+                <type>KERNEL</type>

+                <buffer_type>GLOBAL</buffer_type>

+                <channels>

+                    <channel>

+                        <name>channel0</name>

+                        <overwrite_mode>DISCARD</overwrite_mode>

+                        <subbuffer_count>4</subbuffer_count>

+                        <switch_timer_interval>0</switch_timer_interval>

+                        <tracefile_size>0</tracefile_size>

+                        <tracefile_count>0</tracefile_count>

+                        <live_timer_interval>0</live_timer_interval>

+                        <enabled>false</enabled>

+                        <subbuffer_size>262144</subbuffer_size>

+                        <read_timer_interval>200000</read_timer_interval>

+                        <output_type>SPLICE</output_type>

+                        <events>

+                            <event>

+                                <name>exit_syscall</name>

+                                <enabled>true</enabled>

+                                <type>TRACEPOINT</type>

+                            </event>

+                        </events>

+                    </channel>

+                </channels>

+            </domain>

+        </domains>

+        <output>

+            <consumer_output>

+                <enabled>true</enabled>

+                <destination>

+                    <path>/home/user/folder</path>

+                </destination>

+            </consumer_output>

+        </output>

+    </session>

+</sessions>

diff --git a/lttng/org.eclipse.linuxtools.lttng2.core/META-INF/MANIFEST.MF b/lttng/org.eclipse.linuxtools.lttng2.core/META-INF/MANIFEST.MF
index 94c7cbe27f..744585be53 100644
--- a/lttng/org.eclipse.linuxtools.lttng2.core/META-INF/MANIFEST.MF
+++ b/lttng/org.eclipse.linuxtools.lttng2.core/META-INF/MANIFEST.MF
@@ -8,7 +8,8 @@ Bundle-SymbolicName: org.eclipse.linuxtools.lttng2.core;singleton:=true
 Bundle-Activator: org.eclipse.linuxtools.internal.lttng2.core.Activator
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-1.7
-Require-Bundle: org.eclipse.core.runtime
+Require-Bundle: org.eclipse.core.runtime,
+ org.eclipse.linuxtools.tmf.core;bundle-version="3.0.0"
 Export-Package: org.eclipse.linuxtools.internal.lttng2.core;x-friends:="org.eclipse.linuxtools.lttng2.core.tests",
  org.eclipse.linuxtools.internal.lttng2.core.control.model;x-friends:="org.eclipse.linuxtools.lttng2.ui,org.eclipse.linuxtools.lttng2.ui.tests,org.eclipse.linuxtools.lttng2.core.tests",
  org.eclipse.linuxtools.internal.lttng2.core.control.model.impl;x-friends:="org.eclipse.linuxtools.lttng2.ui,org.eclipse.linuxtools.lttng2.ui.tests,org.eclipse.linuxtools.lttng2.core.tests",
diff --git a/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/Messages.java b/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/Messages.java
new file mode 100644
index 0000000000..b58bd33986
--- /dev/null
+++ b/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/Messages.java
@@ -0,0 +1,46 @@
+/*******************************************************************************
+ * Copyright (c) 2014 École Polytechnique de Montréal
+ *
+ * All rights reserved. This program and the accompanying materials are
+ * made available under the terms of the Eclipse Public License v1.0 which
+ * accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Guilliano Molaire - Initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.linuxtools.lttng2.core.session;
+
+import org.eclipse.osgi.util.NLS;
+
+/**
+ * Externalized message strings from the lttng2.core.control.session
+ *
+ * @author Guilliano Molaire
+ * @since 3.0
+ */
+@SuppressWarnings("javadoc")
+public class Messages extends NLS {
+    private static final String BUNDLE_NAME = "org.eclipse.linuxtools.lttng2.core.control.session.messages"; //$NON-NLS-1$
+
+    public static String SessionConfigXML_BadRequirementType;
+    public static String SessionConfigXML_DomainTypeMissing;
+    public static String SessionConfigXML_EventTypeMissing;
+    public static String SessionConfigXML_InvalidSessionInfoList;
+    public static String SessionConfigXML_InvalidTraceSessionPath;
+    public static String SessionConfigXML_UnknownEventType;
+    public static String SessionConfigXML_UnknownDomainBufferType;
+    public static String SessionConfigXML_SessionConfigGenerationError;
+    public static String SessionConfigXML_XmlParseError;
+    public static String SessionConfigXML_XmlValidateError;
+    public static String SessionConfigXML_XmlValidationError;
+
+    static {
+        // initialize resource bundle
+        NLS.initializeMessages(BUNDLE_NAME, Messages.class);
+    }
+
+    private Messages() {
+    }
+}
diff --git a/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/SessionConfigGenerator.java b/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/SessionConfigGenerator.java
new file mode 100644
index 0000000000..692862eb36
--- /dev/null
+++ b/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/SessionConfigGenerator.java
@@ -0,0 +1,539 @@
+/**********************************************************************
+ * Copyright (c) 2014 École Polytechnique de Montréal
+ *
+ * All rights reserved. This program and the accompanying materials are
+ * made available under the terms of the Eclipse Public License v1.0 which
+ * accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Guilliano Molaire - Initial API and implementation
+ *********************************************************************/
+package org.eclipse.linuxtools.lttng2.core.session;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.util.Set;
+
+import javax.xml.XMLConstants;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Source;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.validation.Schema;
+import javax.xml.validation.SchemaFactory;
+import javax.xml.validation.Validator;
+
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.linuxtools.internal.lttng2.core.Activator;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.IChannelInfo;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.IDomainInfo;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.IEventInfo;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.ISessionInfo;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.TraceEnablement;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.TraceEventType;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.TraceLogLevel;
+import org.eclipse.linuxtools.internal.lttng2.core.control.model.TraceSessionState;
+import org.eclipse.osgi.util.NLS;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+
+/**
+ * Class for generating a session configuration file. A session configuration is
+ * used to configure a trace session. It is a XML formatted file that contains
+ * values defining the behavior of that specific trace session.
+ * <p>
+ * Kernel session configuration example:
+ *
+ * <pre>
+ * {@code
+ * <sessions>
+ *     <session>
+ *         <name>test_kernel</name>
+ *         <domains>
+ *             <domain>
+ *                 <type>KERNEL</type>
+ *                 <buffer_type>GLOBAL</buffer_type>
+ *                 <channels>
+ *                     <channel>
+ *                         <name>channel0</name>
+ *                         <enabled>false</enabled>
+ *                         <overwrite_mode>DISCARD</overwrite_mode>
+ *                         <subbuffer_size>262144</subbuffer_size>
+ *                         <subbuffer_count>4</subbuffer_count>
+ *                         <switch_timer_interval>0</switch_timer_interval>
+ *                         <read_timer_interval>200000</read_timer_interval>
+ *                         <output_type>SPLICE</output_type>
+ *                         <tracefile_size>0</tracefile_size>
+ *                         <tracefile_count>0</tracefile_count>
+ *                         <live_timer_interval>0</live_timer_interval>
+ *                         <events>
+ *                             <event>
+ *                                 <enabled>true</enabled>
+ *                                 <type>SYSCALL</type>
+ *                             </event>
+ *                             <event>
+ *                                 <name>snd_soc_cache_sync</name>
+ *                                 <enabled>true</enabled>
+ *                                 <type>TRACEPOINT</type>
+ *                             </event>
+ *                         </events>
+ *                     </channel>
+ *                 </channels>
+ *             </domain>
+ *         </domains>
+ *         <started>false</started>
+ *         <output>
+ *             <consumer_output>
+ *                 <enabled>true</enabled>
+ *                 <destination>
+ *                     <path>/home/user/lttng-traces/test_kernel</path>
+ *                 </destination>
+ *             </consumer_output>
+ *         </output>
+ *     </session>
+ * </sessions>
+ * }
+ * </pre>
+ *
+ * </p>
+ *
+ * @author Guilliano Molaire
+ * @since 3.0
+ */
+public final class SessionConfigGenerator {
+
+    /** The name of the session schema */
+    private static final String SESSION_XSD_FILENAME = "session.xsd"; //$NON-NLS-1$
+
+    /** The indent size used for the session configuration XML file */
+    private static final String INDENT_AMOUNT_PROPERTY_NAME = "{http://xml.apache.org/xslt}indent-amount"; //$NON-NLS-1$
+    private static final String INDENT_AMOUNT_PROPERTY_VALUE = "4"; //$NON-NLS-1$
+
+    /**
+     * Private constructor. The class should not be instantiated.
+     */
+    private SessionConfigGenerator() {
+    }
+
+    // ---------------------------------------------------------
+    // Methods to generate session configuration files
+    // ---------------------------------------------------------
+
+    /**
+     * Generates a session configuration file from a set of session information.
+     *
+     * @param sessions
+     *            The session informations
+     * @param sessionFileDestination
+     *            The path of the locally saved session configuration file
+     * @return The status of the session configuration generation
+     */
+    public static IStatus generateSessionConfig(Set<ISessionInfo> sessions, IPath sessionFileDestination) {
+        /* Parameters validation */
+        if (sessions == null || sessions.isEmpty()) {
+            return new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.SessionConfigXML_InvalidSessionInfoList);
+        } else if (sessionFileDestination == null) {
+            return new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.SessionConfigXML_InvalidTraceSessionPath);
+        }
+
+        /* Generate the session configuration file */
+        try {
+            Document sessionConfigDocument = generateSessionConfig(sessions);
+
+            if (sessionConfigDocument != null) {
+                saveSessionConfig(sessionConfigDocument, sessionFileDestination.toString());
+            } else {
+                return new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.SessionConfigXML_SessionConfigGenerationError);
+            }
+        } catch (TransformerException | IllegalArgumentException | ParserConfigurationException e) {
+            Activator.getDefault().logError("Error generating the session configuration file: " + sessionFileDestination.toString(), e); //$NON-NLS-1$
+            return new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage());
+        }
+
+        return Status.OK_STATUS;
+    }
+
+    /**
+     * Generates a session configuration from a set of session informations.
+     *
+     * @param sessions
+     *            The session informations
+     * @return The document with all session configuration nodes
+     * @throws IllegalArgumentException
+     *             On an illegal argument inside sessions
+     * @throws ParserConfigurationException
+     *             On an parser configuration error
+     */
+    private static Document generateSessionConfig(Iterable<ISessionInfo> sessions) throws IllegalArgumentException, ParserConfigurationException {
+        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
+        DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
+
+        Document document = docBuilder.newDocument();
+
+        Element rootElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_SESSIONS);
+        document.appendChild(rootElement);
+
+        for (ISessionInfo session : sessions) {
+            /* All elements under "sessions" elements */
+            Element sessionElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_SESSION);
+
+            /* Contents of session element */
+            String enabled = session.getSessionState().equals(TraceSessionState.ACTIVE) ? SessionConfigStrings.CONFIG_STRING_TRUE : SessionConfigStrings.CONFIG_STRING_FALSE;
+
+            addElementContent(document, sessionElement, SessionConfigStrings.CONFIG_ELEMENT_NAME, session.getName());
+            addElementContent(document, sessionElement, SessionConfigStrings.CONFIG_ELEMENT_STARTED, enabled);
+
+            if (session.isSnapshotSession()) {
+                /* If it's a snapshot, we must add an attribute telling it is */
+                Element attributesElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_ATTRIBUTES);
+                addElementContent(document, attributesElement, SessionConfigStrings.CONFIG_ELEMENT_SNAPSHOT_MODE, SessionConfigStrings.CONFIG_STRING_TRUE);
+                sessionElement.appendChild(attributesElement);
+            }
+
+            sessionElement.appendChild(getDomainsElement(document, session));
+            sessionElement.appendChild(getOutputElement(document, session));
+            rootElement.appendChild(sessionElement);
+        }
+
+        return document;
+    }
+
+    // ---------------------------------------------------------
+    // Getters for each element of the configuration file
+    // ---------------------------------------------------------
+
+    /**
+     * Gets the 'domains' element after creating it.
+     *
+     * @param document
+     *            The document in which the nodes are being added
+     * @param session
+     *            The session informations
+     * @return The domains element as an XML element
+     */
+    private static Element getDomainsElement(Document document, ISessionInfo session) {
+        Element domainsElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_DOMAINS);
+
+        for (IDomainInfo domain : session.getDomains()) {
+            Element domainElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_DOMAIN);
+
+            /*
+             * Add everything specific to a domain
+             *
+             * TODO: We suppose here that domain is either kernel or UST. It
+             * will have to change if other domains are supported
+             */
+            String domainType = domain.isKernel() ? SessionConfigStrings.CONFIG_DOMAIN_TYPE_KERNEL : SessionConfigStrings.CONFIG_DOMAIN_TYPE_UST;
+            addElementContent(document, domainElement, SessionConfigStrings.CONFIG_ELEMENT_TYPE, domainType);
+
+            String bufferType = null;
+            switch (domain.getBufferType()) {
+            case BUFFER_PER_UID:
+                bufferType = SessionConfigStrings.CONFIG_BUFFER_TYPE_PER_UID;
+                break;
+            case BUFFER_PER_PID:
+                bufferType = SessionConfigStrings.CONFIG_BUFFER_TYPE_PER_PID;
+                break;
+            case BUFFER_SHARED:
+                bufferType = SessionConfigStrings.CONFIG_BUFFER_TYPE_GLOBAL;
+                break;
+            case BUFFER_TYPE_UNKNOWN:
+            default:
+                throw new IllegalArgumentException(Messages.SessionConfigXML_UnknownDomainBufferType);
+            }
+            addElementContent(document, domainElement, SessionConfigStrings.CONFIG_ELEMENT_DOMAIN_BUFFER_TYPE, bufferType);
+
+            /* Add the channels */
+            domainElement.appendChild(getChannelsElement(document, domain.isKernel(), domain.getChannels()));
+            domainsElement.appendChild(domainElement);
+        }
+
+        return domainsElement;
+    }
+
+    /**
+     * Gets the 'output' element after creating it. If the session is a
+     * snapshot, it will be composed of a snapshot outputs element. Otherwise,
+     * it will contain the consumer output element.
+     *
+     * @param document
+     *            The document in which the nodes are being added
+     * @param session
+     *            The session informations
+     * @return The output element as an XML node
+     */
+    private static Element getOutputElement(Document document, ISessionInfo session) {
+        Element outputElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_OUTPUT);
+
+        if (session.isSnapshotSession()) {
+            outputElement.appendChild(getSnapshotOuputsElement(document, session));
+        } else if (session.isStreamedTrace()) {
+            outputElement.appendChild(getNetOutputElement(document, session));
+        } else {
+            outputElement.appendChild(getConsumerOutputElement(document, session));
+        }
+
+        return outputElement;
+    }
+
+    /**
+     * Gets the 'channels' element after creating it.
+     *
+     * @param document
+     *            The document in which the nodes are being added
+     * @param isKernel
+     *            Is it a kernel domain type
+     * @param channels
+     *            The channels to be added as elements
+     * @return The channels element as an XML element
+     */
+    private static Element getChannelsElement(Document document, boolean isKernel, IChannelInfo[] channels) {
+        Element channelsElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_CHANNELS);
+
+        for (IChannelInfo channel : channels) {
+            Element channelElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_CHANNEL);
+
+            /* Add everything related to a channel */
+            addElementContent(document, channelElement, SessionConfigStrings.CONFIG_ELEMENT_NAME, channel.getName());
+
+            String overwriteMode = channel.isOverwriteMode() ? SessionConfigStrings.CONFIG_OVERWRITE_MODE_OVERWRITE : SessionConfigStrings.CONFIG_OVERWRITE_MODE_DISCARD;
+            String enabled = channel.getState().equals(TraceEnablement.ENABLED) ? SessionConfigStrings.CONFIG_STRING_TRUE : SessionConfigStrings.CONFIG_STRING_FALSE;
+
+            addElementContent(document, channelElement, SessionConfigStrings.CONFIG_ELEMENT_ENABLED, enabled);
+            addElementContent(document, channelElement, SessionConfigStrings.CONFIG_ELEMENT_OVERWRITE_MODE, overwriteMode);
+            addElementContent(document, channelElement, SessionConfigStrings.CONFIG_ELEMENT_SUBBUFFER_SIZE, channel.getSubBufferSize());
+            addElementContent(document, channelElement, SessionConfigStrings.CONFIG_ELEMENT_SUBBUFFER_COUNT, channel.getNumberOfSubBuffers());
+            addElementContent(document, channelElement, SessionConfigStrings.CONFIG_ELEMENT_SWITCH_TIMER_INTERVAL, channel.getSwitchTimer());
+            addElementContent(document, channelElement, SessionConfigStrings.CONFIG_ELEMENT_READ_TIMER_INTERVAL, channel.getReadTimer());
+
+            String outputType = channel.getOutputType().startsWith(SessionConfigStrings.CONFIG_OUTPUT_TYPE_MMAP) ?
+                    outputType = SessionConfigStrings.CONFIG_OUTPUT_TYPE_MMAP : SessionConfigStrings.CONFIG_OUTPUT_TYPE_SPLICE;
+            addElementContent(document, channelElement, SessionConfigStrings.CONFIG_ELEMENT_OUTPUT_TYPE, outputType);
+            addElementContent(document, channelElement, SessionConfigStrings.CONFIG_ELEMENT_TRACEFILE_SIZE, channel.getMaxSizeTraceFiles());
+            addElementContent(document, channelElement, SessionConfigStrings.CONFIG_ELEMENT_TRACEFILE_COUNT, channel.getMaxNumberTraceFiles());
+
+            /*
+             * TODO: Replace the 0 value by the channel live timer property from
+             * SessionInfo once live session tracing is supported
+             */
+            addElementContent(document, channelElement, SessionConfigStrings.CONFIG_ELEMENT_LIVE_TIMER_INTERVAL, SessionConfigStrings.CONFIG_STRING_ZERO);
+
+            /* Add the events */
+            channelElement.appendChild(getEventsElement(document, isKernel, channel.getEvents()));
+            channelsElement.appendChild(channelElement);
+        }
+
+        return channelsElement;
+    }
+
+    /**
+     * Gets the 'events' element after creating it. It is composed of the event
+     * informations from a list of IEventInfo.
+     *
+     * @param document
+     *            The document in which the nodes are being added
+     * @param isKernel
+     *            Is the domain type kernel
+     * @param events
+     *            The event informations to be added
+     * @return An element containing all the event informations as XML elements
+     */
+    private static Element getEventsElement(Document document, boolean isKernel, IEventInfo[] events) {
+        Element eventsElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_EVENTS);
+
+        for (IEventInfo event : events) {
+            Element eventElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_EVENT);
+
+            /* Enabled attribute */
+            String enabled = event.getState().equals(TraceEnablement.ENABLED) ? SessionConfigStrings.CONFIG_STRING_TRUE : SessionConfigStrings.CONFIG_STRING_FALSE;
+
+            /* Add the attributes to the event node */
+            addElementContent(document, eventElement, SessionConfigStrings.CONFIG_ELEMENT_NAME, event.getName());
+            addElementContent(document, eventElement, SessionConfigStrings.CONFIG_ELEMENT_ENABLED, enabled);
+            TraceEventType eventType = event.getEventType();
+            if (!eventType.equals(TraceEventType.UNKNOWN)) {
+                addElementContent(document, eventElement, SessionConfigStrings.CONFIG_ELEMENT_TYPE, eventType.getInName().toUpperCase());
+            } else {
+                throw new IllegalArgumentException(Messages.SessionConfigXML_UnknownEventType);
+            }
+
+            /* Specific to UST session config: the log level */
+            if (!isKernel && !event.getLogLevel().equals(TraceLogLevel.LEVEL_UNKNOWN)) {
+                addElementContent(document, eventElement, SessionConfigStrings.CONFIG_ELEMENT_LOGLEVEL, event.getLogLevel().ordinal());
+            }
+
+            /* Add the node to the parent node events */
+            eventsElement.appendChild(eventElement);
+        }
+
+        return eventsElement;
+    }
+
+    /**
+     * Gets the 'consumer_output' element after creating it.
+     *
+     * @param document
+     *            The document in which the nodes are being added
+     * @param session
+     *            The session informations
+     * @return The consumer output element with his informations as XML elements
+     */
+    private static Element getConsumerOutputElement(Document document, ISessionInfo session) {
+        Element consumerOutputElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_CONSUMER_OUTPUT);
+        Element destinationElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_DESTINATION);
+
+        /* Value of consumer output element */
+        addElementContent(document, consumerOutputElement, SessionConfigStrings.CONFIG_ELEMENT_ENABLED, SessionConfigStrings.CONFIG_STRING_TRUE);
+
+        if (session.isStreamedTrace()) {
+            /* If it is a streamed session, add the net output element */
+            destinationElement.appendChild(getNetOutputElement(document, session));
+        } else {
+            addElementContent(document, destinationElement, SessionConfigStrings.CONFIG_ELEMENT_PATH, session.getSessionPath());
+        }
+
+        consumerOutputElement.appendChild(destinationElement);
+        return consumerOutputElement;
+    }
+
+    /**
+     * Gets the 'net_output' element after creating it. It is composed of the
+     * control and data URIs.
+     *
+     * @param document
+     *            The document in which the nodes are being added
+     * @param session
+     *            The session informations
+     * @return The net output element
+     */
+    private static Element getNetOutputElement(Document document, ISessionInfo session) {
+        Element netOutputElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_NET_OUTPUT);
+
+        String networkUrl = session.getNetworkUrl();
+        String controlUri = networkUrl == null ? session.getControlUrl() : networkUrl;
+        String dataUri = networkUrl == null ? session.getDataUrl() : networkUrl;
+        addElementContent(document, netOutputElement, SessionConfigStrings.CONFIG_ELEMENT_CONTROL_URI, controlUri);
+        addElementContent(document, netOutputElement, SessionConfigStrings.CONFIG_ELEMENT_DATA_URI, dataUri);
+
+        return netOutputElement;
+    }
+
+    /**
+     * Gets the 'snapshot_outputs' element after creating it.
+     *
+     * @param document
+     *            The document in which the nodes are being added
+     * @param session
+     *            The session informations
+     * @return The snapshot outputs element with snapshot informations as XML
+     *         elements
+     */
+    private static Element getSnapshotOuputsElement(Document document, ISessionInfo session) {
+        Element snapshotOutputsElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_SNAPSHOT_OUTPUTS);
+        Element outputElement = document.createElement(SessionConfigStrings.CONFIG_ELEMENT_OUTPUT);
+
+        /* Add the name of the snapshot and the max size element */
+        addElementContent(document, outputElement, SessionConfigStrings.CONFIG_ELEMENT_NAME, session.getSnapshotInfo().getName());
+
+        /*
+         * TODO: find the proper max size value of output element. For now it is
+         * set to the default 0 value which means unlimited for lttng.
+         */
+        addElementContent(document, outputElement, SessionConfigStrings.CONFIG_ELEMENT_MAX_SIZE, SessionConfigStrings.CONFIG_STRING_ZERO);
+        outputElement.appendChild(getConsumerOutputElement(document, session));
+
+        snapshotOutputsElement.appendChild(outputElement);
+        return snapshotOutputsElement;
+    }
+
+    // ---------------------------------------------------------
+    // Utilities
+    // ---------------------------------------------------------
+
+    /**
+     * Validates the session configuration file against its schema.
+     *
+     * @param sessionFile
+     *            The session configuration file
+     * @return The status of the validation
+     */
+    public static IStatus sessionValidate(File sessionFile) {
+        URL url = SessionConfigGenerator.class.getResource(SESSION_XSD_FILENAME);
+        SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
+        Source xmlSource = new StreamSource(sessionFile);
+
+        try {
+            Schema schema = schemaFactory.newSchema(url);
+            Validator validator = schema.newValidator();
+            validator.validate(xmlSource);
+        } catch (SAXParseException e) {
+            String error = NLS.bind(Messages.SessionConfigXML_XmlParseError, e.getLineNumber(), e.getLocalizedMessage());
+            Activator.getDefault().logError(error);
+            return new Status(IStatus.ERROR, Activator.PLUGIN_ID, error, e);
+        } catch (SAXException e) {
+            String error = NLS.bind(Messages.SessionConfigXML_XmlValidationError, e.getLocalizedMessage());
+            Activator.getDefault().logError(error);
+            return new Status(IStatus.ERROR, Activator.PLUGIN_ID, error, e);
+        } catch (IOException e) {
+            String error = Messages.SessionConfigXML_XmlValidateError;
+            Activator.getDefault().logError("IO exception occurred", e); //$NON-NLS-1$
+            return new Status(IStatus.ERROR, Activator.PLUGIN_ID, error, e);
+        }
+        return Status.OK_STATUS;
+    }
+
+    /**
+     * Saves the session configuration into a XML file.
+     *
+     * @param document
+     *            The document representing the session configuration file
+     * @param destination
+     *            The path of the locally saved session configuration file
+     * @throws TransformerException
+     *             On an transformation process
+     */
+    private static void saveSessionConfig(Document document, String destination) throws TransformerException {
+        /* Write the content into a XML file */
+        TransformerFactory transformerFactory = TransformerFactory.newInstance();
+        Transformer transformer = transformerFactory.newTransformer();
+
+        transformer.setOutputProperty(OutputKeys.INDENT, "yes"); //$NON-NLS-1$
+        transformer.setOutputProperty(INDENT_AMOUNT_PROPERTY_NAME, INDENT_AMOUNT_PROPERTY_VALUE);
+
+        DOMSource source = new DOMSource(document);
+        StreamResult result = new StreamResult(new File(destination));
+
+        transformer.transform(source, result);
+    }
+
+    /**
+     * Adds to a parent node an element with his content.
+     *
+     * @param document
+     *            The document in which the nodes are being added
+     * @param parent
+     *            The parent node that contains the element and his content
+     * @param elementName
+     *            The element container name
+     * @param elementContent
+     *            The content itself
+     */
+    private static void addElementContent(Document document, Element parent, String elementName, Object elementContent) {
+        Element contentElement = document.createElement(elementName);
+        contentElement.appendChild(document.createTextNode(elementContent.toString()));
+        parent.appendChild(contentElement);
+    }
+}
diff --git a/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/messages.properties b/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/messages.properties
new file mode 100644
index 0000000000..c0d252d198
--- /dev/null
+++ b/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/messages.properties
@@ -0,0 +1,23 @@
+###############################################################################
+# Copyright (c) 2014 École Polytechnique de Montréal
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License v1.0
+# which accompanies this distribution, and is available at
+# http://www.eclipse.org/legal/epl-v10.html
+#
+# Contributors:
+#     Guilliano Molaire - Initial API and implementation
+###############################################################################
+
+SessionConfigXML_BadRequirementType=The requirement type is not supported
+SessionConfigXML_DomainTypeMissing=The domain requirement type is missing
+SessionConfigXML_EventTypeMissing=The event requirement type is missing
+SessionConfigXML_InvalidSessionInfoList=The list of session is empty or null
+SessionConfigXML_InvalidTraceSessionPath=The trace session path is not valid
+SessionConfigXML_UnknownEventType=The event type is not handled by the session configuration
+SessionConfigXML_UnknownDomainBufferType=The domain buffer type is not handled by the session configuration
+SessionConfigXML_SessionConfigGenerationError=An error occurred while generating the session configuration file
+SessionConfigXML_XmlParseError=XML Parsing error at line {0}: {1}
+SessionConfigXML_XmlValidateError=An error occurred while validating the XML file.
+SessionConfigXML_XmlValidationError=Error validating XML file {0}
diff --git a/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/session.xsd b/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/session.xsd
new file mode 100644
index 0000000000..7c3e9d8fc6
--- /dev/null
+++ b/lttng/org.eclipse.linuxtools.lttng2.core/src/org/eclipse/linuxtools/lttng2/core/session/session.xsd
@@ -0,0 +1,295 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Copyright (c) 2014 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+-->
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
+elementFormDefault="qualified" version="2.5">
+
+<xs:simpleType name="name_type">
+	<xs:restriction base="xs:string">
+		<xs:maxLength value="255"/>
+	</xs:restriction>
+</xs:simpleType>
+
+<xs:simpleType name="uint64_type">
+	<xs:restriction base="xs:integer">
+		<xs:minInclusive value="0"/>
+		<xs:maxInclusive value="18446744073709551615"/>
+	</xs:restriction>
+</xs:simpleType>
+
+<xs:simpleType name="uint32_type">
+	<xs:restriction base="xs:integer">
+		<xs:minInclusive value="0"/>
+		<xs:maxInclusive value="4294967295"/>
+	</xs:restriction>
+</xs:simpleType>
+
+<xs:simpleType name="channel_overwrite_mode_type">
+	<xs:restriction base="xs:string">
+		<xs:enumeration value="DISCARD"/>
+		<xs:enumeration value="OVERWRITE"/>
+	</xs:restriction>
+</xs:simpleType>
+
+<!-- Maps to the lttng_event_output enum -->
+<xs:simpleType name="event_output_type">
+	<xs:restriction base="xs:string">
+		<xs:enumeration value="SPLICE"/>
+		<xs:enumeration value="MMAP"/>
+	</xs:restriction>
+</xs:simpleType>
+
+<!-- Maps to the lttng_loglevel_type enum -->
+<xs:simpleType name="loglevel_type">
+	<xs:restriction base="xs:string">
+		<xs:enumeration value="ALL"/>
+		<xs:enumeration value="RANGE"/>
+		<xs:enumeration value="SINGLE"/>
+	</xs:restriction>
+</xs:simpleType>
+
+<!-- Maps to the lttng_event_type enum -->
+<xs:simpleType name="event_type_type">
+	<xs:restriction base="xs:string">
+		<xs:enumeration value="ALL"/>
+		<xs:enumeration value="TRACEPOINT"/>
+		<xs:enumeration value="PROBE"/>
+		<xs:enumeration value="FUNCTION"/>
+		<xs:enumeration value="FUNCTION_ENTRY"/>
+		<xs:enumeration value="NOOP"/>
+		<xs:enumeration value="SYSCALL"/>
+		<xs:enumeration value="KPROBE"/>
+		<xs:enumeration value="KRETPROBE"/>
+	</xs:restriction>
+</xs:simpleType>
+
+<xs:complexType name="event_probe_attributes_type">
+	<xs:all>
+		<xs:element name="symbol_name" type="name_type" minOccurs="0"/>
+		<xs:element name="address" type="uint64_type" minOccurs="0"/>
+		<xs:element name="offset" type="uint64_type" minOccurs="0"/>
+	</xs:all>
+</xs:complexType>
+
+<xs:complexType name="event_ftrace_attributes_type">
+	<xs:all>
+		<xs:element name="symbol_name" type="name_type"/>
+	</xs:all>
+</xs:complexType>
+
+<xs:complexType name="event_attributes_type">
+	<xs:choice>
+		<xs:element name="probe_attributes" type="event_probe_attributes_type"/>
+		<xs:element name="function_attributes" type="event_ftrace_attributes_type"/>
+	</xs:choice>
+</xs:complexType>
+
+<xs:complexType name="event_exclusion_list_type">
+	<xs:sequence>
+		<xs:element name="exclusion" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
+	</xs:sequence>
+</xs:complexType>
+
+<xs:complexType name="event_type">
+	<xs:all>
+		<xs:element name="name" type="name_type" minOccurs="0"/>
+		<xs:element name="enabled" type="xs:boolean" default="true" minOccurs="0"/>
+		<xs:element name="type" type="event_type_type" default="TRACEPOINT" minOccurs="0"/>
+		<xs:element name="loglevel_type" type="loglevel_type" default="ALL" minOccurs="0"/>
+		<xs:element name="loglevel" type="xs:int" default="-1" minOccurs="0"/>
+		<xs:element name="filter" type="xs:string" minOccurs="0"/>
+		<xs:element name="exclusions" type="event_exclusion_list_type" minOccurs="0"/>
+		<xs:element name="attributes" type="event_attributes_type" minOccurs="0"/>
+	</xs:all>
+</xs:complexType>
+
+<xs:complexType name="event_list_type">
+	<xs:sequence>
+		<xs:element name="event" type="event_type" minOccurs="0" maxOccurs="unbounded"/>
+	</xs:sequence>
+</xs:complexType>
+
+<xs:complexType name="event_perf_context_type">
+	<xs:all>
+		<xs:element name="type" type="uint32_type"/>
+		<xs:element name="config" type="uint64_type"/>
+		<xs:element name="name" type="name_type"/>
+	</xs:all>
+</xs:complexType>
+
+<!-- Maps to the lttng_event_context_type enum -->
+<xs:simpleType name="event_context_type_type">
+	<xs:restriction base="xs:string">
+		<xs:enumeration value="PID"/>
+		<xs:enumeration value="PROCNAME"/>
+		<xs:enumeration value="PRIO"/>
+		<xs:enumeration value="NICE"/>
+		<xs:enumeration value="VPID"/>
+		<xs:enumeration value="TID"/>
+		<xs:enumeration value="VTID"/>
+		<xs:enumeration value="PPID"/>
+		<xs:enumeration value="VPPID"/>
+		<xs:enumeration value="PTHREAD_ID"/>
+		<xs:enumeration value="HOSTNAME"/>
+		<xs:enumeration value="IP"/>
+	</xs:restriction>
+</xs:simpleType>
+
+<xs:complexType name="event_context_type">
+	<xs:choice>
+		<xs:element name="type" type="event_context_type_type"/>
+		<xs:element name="perf" type="event_perf_context_type"/>
+	</xs:choice>
+</xs:complexType>
+
+<xs:complexType name="event_context_list_type">
+	<xs:sequence>
+		<xs:element name="context" type="event_context_type" minOccurs="0" maxOccurs="unbounded"/>
+	</xs:sequence>
+</xs:complexType>
+
+<!-- Maps to struct lttng_channel -->
+<xs:complexType name="channel_type">
+	<xs:all>
+		<xs:element name="name" type="name_type"/>
+		<xs:element name="enabled" type="xs:boolean" default="true" minOccurs="0"/>
+		<xs:element name="overwrite_mode" type="channel_overwrite_mode_type" default="DISCARD" minOccurs="0"/>
+		<xs:element name="subbuffer_size" type="uint64_type" minOccurs="0"/> <!-- bytes -->
+		<xs:element name="subbuffer_count" type="uint64_type" default="4" minOccurs="0"/>
+		<xs:element name="switch_timer_interval" type="uint32_type" default="0" minOccurs="0"/>  <!-- usec -->
+		<xs:element name="read_timer_interval" type="uint32_type"/>  <!-- usec -->
+		<xs:element name="output_type" type="event_output_type"/>
+		<xs:element name="tracefile_size" type="uint64_type" default="0" minOccurs="0"/> <!-- bytes -->
+		<xs:element name="tracefile_count" type="uint64_type" default="0" minOccurs="0"/>
+		<xs:element name="live_timer_interval" type="uint32_type" default="0" minOccurs="0"/> <!-- usec -->
+		<xs:element name="events" type="event_list_type" minOccurs="0"/>
+		<xs:element name="contexts" type="event_context_list_type" minOccurs="0"/>
+	</xs:all>
+</xs:complexType>
+
+<!-- Maps to the lttng_domain_type enum -->
+<xs:simpleType name="domain_type_type">
+	<xs:restriction base="xs:string">
+		<xs:enumeration value="KERNEL"/>
+		<xs:enumeration value="UST"/>
+		<xs:enumeration value="JUL"/>
+	</xs:restriction>
+</xs:simpleType>
+
+<!-- Maps to the lttng_buffer_type enum -->
+<xs:simpleType name="domain_buffer_type">
+	<xs:restriction base="xs:string">
+		<xs:enumeration value="PER_PID"/>
+		<xs:enumeration value="PER_UID"/>
+		<xs:enumeration value="GLOBAL"/>
+	</xs:restriction>
+</xs:simpleType>
+
+<xs:complexType name="channel_list_type">
+	<xs:sequence>
+		<xs:element name="channel" type="channel_type" minOccurs="0" maxOccurs="unbounded"/>
+	</xs:sequence>
+</xs:complexType>
+
+<!-- Maps to struct lttng_domain and contains channels -->
+<xs:complexType name="domain_type">
+	<xs:all>
+		<xs:element name="type" type="domain_type_type"/>
+		<xs:element name="buffer_type" type="domain_buffer_type"/>
+		<xs:element name="channels" type="channel_list_type" minOccurs="0"/>
+	</xs:all>
+</xs:complexType>
+
+<xs:complexType name="session_attributes_type">
+	<xs:choice>
+		<xs:element name="snapshot_mode" type="xs:boolean"/>
+		<xs:element name="live_timer_interval" type="uint32_type"/> <!-- usec -->
+	</xs:choice>
+</xs:complexType>
+
+<xs:complexType name="domain_list_type">
+	<xs:sequence>
+		<xs:element name="domain" type="domain_type" minOccurs="0" maxOccurs="unbounded"/>
+	</xs:sequence>
+</xs:complexType>
+
+<xs:complexType name="net_output_type">
+	<xs:all>
+		<xs:element name="control_uri" type="xs:string"/>
+		<xs:element name="data_uri" type="xs:string"/>
+	</xs:all>
+</xs:complexType>
+
+<xs:complexType name="destination_type">
+	<xs:choice>
+		<xs:element name="path" type="xs:string"/>
+		<xs:element name="net_output" type="net_output_type"/>
+	</xs:choice>
+</xs:complexType>
+
+<xs:complexType name="consumer_output_type">
+	<xs:all>
+		<xs:element name="enabled" type="xs:boolean" default="true"/>
+		<xs:element name="destination" type="destination_type"/>
+	</xs:all>
+</xs:complexType>
+
+<xs:complexType name="snapshot_output_type">
+	<xs:all>
+		<xs:element name="name" type="name_type"/>
+		<xs:element name="max_size" type="uint64_type"/>
+		<xs:element name="consumer_output" type="consumer_output_type"/>
+	</xs:all>
+</xs:complexType>
+
+<xs:complexType name="snapshot_output_list_type">
+	<xs:sequence>
+		<xs:element name="output" type="snapshot_output_type" minOccurs="0" maxOccurs="unbounded"/>
+	</xs:sequence>
+</xs:complexType>
+
+<xs:complexType name="session_output_type">
+	<xs:choice>
+		<xs:element name="snapshot_outputs" type="snapshot_output_list_type"/>
+		<xs:element name="consumer_output" type="consumer_output_type"/>
+	</xs:choice>
+</xs:complexType>
+
+<xs:complexType name="session_type">
+	<xs:all>
+		<xs:element name="name" type="name_type"/>
+		<xs:element name="domains" type="domain_list_type" minOccurs="0"/>
+		<xs:element name="started" type="xs:boolean" default="0" minOccurs="0"/>
+		<xs:element name="attributes" type="session_attributes_type" minOccurs="0"/>
+		<xs:element name="output" type="session_output_type" minOccurs="0"/>
+	</xs:all>
+</xs:complexType>
+
+<xs:element name="sessions">
+	<xs:complexType>
+		<xs:sequence>
+			<xs:element name="session" type="session_type" maxOccurs="unbounded"/>
+		</xs:sequence>
+	</xs:complexType>
+</xs:element>
+
+</xs:schema>