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/*
* Copyright 2004-2019 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.tools;
import java.sql.Connection;
import java.sql.SQLException;
import org.h2.server.ShutdownHandler;
import org.h2.util.JdbcUtils;
import org.h2.util.MathUtils;
import org.h2.util.StringUtils;
import org.h2.util.Tool;
import org.h2.util.Utils;
/**
* Starts the H2 Console (web-) server, as well as the TCP and PG server.
* @h2.resource
*
* @author Thomas Mueller, Ridvan Agar
*/
public class Console extends Tool implements ShutdownHandler {
Server web;
private Server tcp, pg;
boolean isWindows;
/**
* When running without options, -tcp, -web, -browser and -pg are started.
*
* Options are case sensitive. Supported options are:
*
*
[-help] or [-?]
*
Print the list of options
*
[-url]
*
Start a browser and connect to this URL
*
[-driver]
*
Used together with -url: the driver
*
[-user]
*
Used together with -url: the user name
*
[-password]
*
Used together with -url: the password
*
[-web]
*
Start the web server with the H2 Console
*
[-tool]
*
Start the icon or window that allows to start a browser
*
[-browser]
*
Start a browser connecting to the web server
*
[-tcp]
*
Start the TCP server
*
[-pg]
*
Start the PG server
*
* For each Server, additional options are available;
* for details, see the Server tool.
* If a service can not be started, the program
* terminates with an exit code of 1.
* @h2.resource
*
* @param args the command line arguments
*/
public static void main(String... args) throws SQLException {
Console console;
try {
console = (Console) Utils.newInstance("org.h2.tools.GUIConsole");
} catch (Exception | NoClassDefFoundError e) {
console = new Console();
}
console.runTool(args);
}
/**
* This tool starts the H2 Console (web-) server, as well as the TCP and PG
* server. A system tray icon is created, for platforms that
* support it. Otherwise, a small window opens.
*
* @param args the command line arguments
*/
@Override
public void runTool(String... args) throws SQLException {
isWindows = Utils.getProperty("os.name", "").startsWith("Windows");
boolean tcpStart = false, pgStart = false, webStart = false, toolStart = false;
boolean browserStart = false;
boolean startDefaultServers = true;
boolean printStatus = args != null && args.length > 0;
String driver = null, url = null, user = null, password = null;
boolean tcpShutdown = false, tcpShutdownForce = false;
String tcpPassword = "";
String tcpShutdownServer = "";
boolean ifExists = false, webAllowOthers = false;
for (int i = 0; args != null && i < args.length; i++) {
String arg = args[i];
if (arg == null) {
} else if ("-?".equals(arg) || "-help".equals(arg)) {
showUsage();
return;
} else if ("-url".equals(arg)) {
startDefaultServers = false;
url = args[++i];
} else if ("-driver".equals(arg)) {
driver = args[++i];
} else if ("-user".equals(arg)) {
user = args[++i];
} else if ("-password".equals(arg)) {
password = args[++i];
} else if (arg.startsWith("-web")) {
if ("-web".equals(arg)) {
startDefaultServers = false;
webStart = true;
} else if ("-webAllowOthers".equals(arg)) {
// no parameters
webAllowOthers = true;
} else if ("-webDaemon".equals(arg)) {
// no parameters
} else if ("-webSSL".equals(arg)) {
// no parameters
} else if ("-webPort".equals(arg)) {
i++;
} else {
showUsageAndThrowUnsupportedOption(arg);
}
} else if ("-tool".equals(arg)) {
startDefaultServers = false;
webStart = true;
toolStart = true;
} else if ("-browser".equals(arg)) {
startDefaultServers = false;
webStart = true;
browserStart = true;
} else if (arg.startsWith("-tcp")) {
if ("-tcp".equals(arg)) {
startDefaultServers = false;
tcpStart = true;
} else if ("-tcpAllowOthers".equals(arg)) {
// no parameters
} else if ("-tcpDaemon".equals(arg)) {
// no parameters
} else if ("-tcpSSL".equals(arg)) {
// no parameters
} else if ("-tcpPort".equals(arg)) {
i++;
} else if ("-tcpPassword".equals(arg)) {
tcpPassword = args[++i];
} else if ("-tcpShutdown".equals(arg)) {
startDefaultServers = false;
tcpShutdown = true;
tcpShutdownServer = args[++i];
} else if ("-tcpShutdownForce".equals(arg)) {
tcpShutdownForce = true;
} else {
showUsageAndThrowUnsupportedOption(arg);
}
} else if (arg.startsWith("-pg")) {
if ("-pg".equals(arg)) {
startDefaultServers = false;
pgStart = true;
} else if ("-pgAllowOthers".equals(arg)) {
// no parameters
} else if ("-pgDaemon".equals(arg)) {
// no parameters
} else if ("-pgPort".equals(arg)) {
i++;
} else {
showUsageAndThrowUnsupportedOption(arg);
}
} else if ("-properties".equals(arg)) {
i++;
} else if ("-trace".equals(arg)) {
// no parameters
} else if ("-ifExists".equals(arg)) {
// no parameters
ifExists = true;
} else if ("-baseDir".equals(arg)) {
i++;
} else {
showUsageAndThrowUnsupportedOption(arg);
}
}
if (startDefaultServers) {
webStart = true;
toolStart = true;
browserStart = true;
tcpStart = true;
pgStart = true;
}
if (tcpShutdown) {
out.println("Shutting down TCP Server at " + tcpShutdownServer);
Server.shutdownTcpServer(tcpShutdownServer,
tcpPassword, tcpShutdownForce, false);
}
SQLException startException = null;
boolean webRunning = false;
if (url != null) {
Connection conn = JdbcUtils.getConnection(driver, url, user, password);
Server.startWebServer(conn);
}
if (webStart) {
try {
String webKey = webAllowOthers ? null
: StringUtils.convertBytesToHex(MathUtils.secureRandomBytes(32));
web = Server.createWebServer(args, webKey, !ifExists);
web.setShutdownHandler(this);
web.start();
if (printStatus) {
out.println(web.getStatus());
}
webRunning = true;
} catch (SQLException e) {
printProblem(e, web);
startException = e;
}
}
if (toolStart && webRunning){
show();
}
// start browser in any case (even if the server is already running)
// because some people don't look at the output,
// but are wondering why nothing happens
if (browserStart && web != null) {
openBrowser(web.getURL());
}
if (tcpStart) {
try {
tcp = Server.createTcpServer(args);
tcp.start();
if (printStatus) {
out.println(tcp.getStatus());
}
tcp.setShutdownHandler(this);
} catch (SQLException e) {
printProblem(e, tcp);
if (startException == null) {
startException = e;
}
}
}
if (pgStart) {
try {
pg = Server.createPgServer(args);
pg.start();
if (printStatus) {
out.println(pg.getStatus());
}
} catch (SQLException e) {
printProblem(e, pg);
if (startException == null) {
startException = e;
}
}
}
if (startException != null) {
shutdown();
throw startException;
}
}
/**
* Overridden by GUIConsole to show a window
*/
void show() {
}
private void printProblem(Exception e, Server server) {
if (server == null) {
e.printStackTrace();
} else {
out.println(server.getStatus());
out.println("Root cause: " + e.getMessage());
}
}
/**
* INTERNAL.
* Stop all servers that were started using the console.
*/
@Override
public void shutdown() {
if (web != null && web.isRunning(false)) {
web.stop();
web = null;
}
if (tcp != null && tcp.isRunning(false)) {
tcp.stop();
tcp = null;
}
if (pg != null && pg.isRunning(false)) {
pg.stop();
pg = null;
}
}
/**
* Open a new browser tab or window with the given URL.
*
* @param url the URL to open
*/
void openBrowser(String url) {
try {
Server.openBrowser(url);
} catch (Exception e) {
out.println(e.getMessage());
}
}
}
