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/*******************************************************************************
* Copyright (c) 2011, 2013 Mentor Graphics and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Vladimir Prus (Mentor Graphics) - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.mi.service.command.output;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.dsf.gdb.service.IGDBHardwareAndOS2.IResourceClass;
import org.eclipse.cdt.dsf.gdb.service.IGDBHardwareAndOS2.IResourcesInformation;
/**
* Example output:
*
* (gdb) -info-os
* ^done,OSDataTable={nr_rows="9",nr_cols="3",
* hdr=[{width="10",alignment="-1",col_name="col0",colhdr="Type"},
* {width="10",alignment="-1",col_name="col1",colhdr="Description"},
* {width="10",alignment="-1",col_name="col2",colhdr="Title"}],
* body=[item={col0="processes",col1="Listing of all processes",
* col2="Processes"},
* item={col0="procgroups",col1="Listing of all process groups",
* col2="Process groups"},
* item={col0="threads",col1="Listing of all threads",
* col2="Threads"},
* item={col0="files",col1="Listing of all file descriptors",
* col2="File descriptors"},
* item={col0="sockets",col1="Listing of all internet-domain sockets",
* col2="Sockets"},
* item={col0="shm",col1="Listing of all shared-memory regions",
* col2="Shared-memory regions"},
* item={col0="semaphores",col1="Listing of all semaphores",
* col2="Semaphores"},
* item={col0="msg",col1="Listing of all message queues",
* col2="Message queues"},
* item={col0="modules",col1="Listing of all loaded kernel modules",
* col2="Kernel modules"}]}
* (gdb) -info-os processes
* ^done,OSDataTable={nr_rows="190",nr_cols="4",
* hdr=[{width="10",alignment="-1",col_name="col0",colhdr="pid"},
* {width="10",alignment="-1",col_name="col1",colhdr="user"},
* {width="10",alignment="-1",col_name="col2",colhdr="command"},
* {width="10",alignment="-1",col_name="col3",colhdr="cores"}],
* body=[item={col0="1",col1="root",col2="/sbin/init",col3="0"},
* item={col0="2",col1="root",col2="[kthreadd]",col3="1"},
* item={col0="3",col1="root",col2="[ksoftirqd/0]",col3="0"},
* ...
* item={col0="26446",col1="stan",col2="bash",col3="0"},
* item={col0="28152",col1="stan",col2="bash",col3="1"}]}
* (gdb)
*
* @since 4.2
*/
public class MIInfoOsInfo extends MIInfo {
// The fields below are used for response with list of classes.
private IResourceClass[] resourceClasses;
// The below fields are used only for data with specific resource class
private String[] columnNames;
private String[][] content;
public MIInfoOsInfo(MIOutput record, boolean resourcesInformation) {
super(record);
if (isDone()) {
if (resourcesInformation)
parseResourcesInformation();
else
parseResourceClasses();
}
}
public IResourcesInformation getResourcesInformation() {
return new IResourcesInformation() {
@Override
public String[][] getContent() {
return content;
}
@Override
public String[] getColumnNames() {
return columnNames;
}
};
}
public IResourceClass[] getResourceClasses() {
return resourceClasses;
}
private void parseResourceClasses() {
List<IResourceClass> classes = new ArrayList<IResourceClass>();
MITuple table = (MITuple) get(getMIOutput(), "OSDataTable"); //$NON-NLS-1$
MIList body = (MIList) get(table, "body"); //$NON-NLS-1$
for (MIResult r : body.getMIResults()) {
MITuple row = (MITuple) r.getMIValue();
final String id = getString(row.getMIResults()[0]);
final String description = getString(row.getMIResults()[2]);
classes.add(new IResourceClass() {
@Override
public String getId() {
return id;
}
@Override
public String getHumanDescription() {
return description;
}
});
}
resourceClasses = classes.toArray(new IResourceClass[classes.size()]);
}
private void parseResourcesInformation() {
MITuple table = (MITuple) get(getMIOutput(), "OSDataTable"); //$NON-NLS-1$
MIList header = (MIList) get(table, "hdr"); //$NON-NLS-1$
columnNames = new String[header.getMIValues().length];
int i = 0;
for (MIValue v : header.getMIValues()) {
MITuple column = (MITuple) v;
String columnName = ((MIConst) get(column, "colhdr")).getString(); //$NON-NLS-1$
columnNames[i++] = Character.toUpperCase(columnName.charAt(0)) + columnName.substring(1);
}
MIList body = (MIList) get(table, "body"); //$NON-NLS-1$
if (body == null) {
content = new String[0][];
return;
}
content = new String[body.getMIResults().length][];
i = 0;
for (MIResult r : body.getMIResults()) {
MITuple row = (MITuple) r.getMIValue();
assert row.getMIResults().length == columnNames.length;
String[] rowStrings = new String[row.getMIResults().length];
int j = 0;
for (MIResult r2 : row.getMIResults()) {
rowStrings[j] = ((MIConst) r2.getMIValue()).getString();
++j;
}
content[i++] = rowStrings;
}
}
private MIValue get(MIResult[] results, String name) {
for (MIResult r : results)
if (r.getVariable().equals(name))
return r.getMIValue();
return null;
}
private MIValue get(MIOutput output, String name) {
return get(output.getMIResultRecord().getMIResults(), name);
}
private MIValue get(MITuple tuple, String name) {
return get(tuple.getMIResults(), name);
}
private String getString(MIValue value) {
return ((MIConst) value).getString();
}
private String getString(MIResult result) {
return getString(result.getMIValue());
}
}
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