409 lines
20 KiB
Java
409 lines
20 KiB
Java
package _VisualDVM.Repository;
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import Common.Database.Database;
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import Common.Database.Objects.DBObject;
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import Common.Database.Objects.riDBObject;
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import Common.Utils.InterruptThread;
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import Common.Utils.Utils_;
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import _VisualDVM.Constants;
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import _VisualDVM.Global;
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import _VisualDVM.Repository.Server.DiagnosticSignalHandler;
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import _VisualDVM.Repository.Server.ServerCode;
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import _VisualDVM.Repository.Server.ServerExchangeUnit_2021;
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import _VisualDVM.Utils;
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import javafx.util.Pair;
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import sun.misc.SignalHandler;
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import javax.activation.DataHandler;
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import javax.activation.DataSource;
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import javax.activation.FileDataSource;
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import javax.mail.*;
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import javax.mail.internet.InternetAddress;
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import javax.mail.internet.MimeBodyPart;
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import javax.mail.internet.MimeMessage;
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import javax.mail.internet.MimeMultipart;
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import java.io.*;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.util.Date;
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import java.util.LinkedHashMap;
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import java.util.Properties;
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import java.util.Vector;
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public abstract class RepositoryServer<D extends Database> {
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public final static String separator = "----------------------------------";
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protected static FileWriter Log;
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protected static boolean printOn = true;
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//-
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public D db;
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protected Socket clientSocket; //сокет для общения
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protected ServerSocket server; // серверсокет
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protected ObjectInputStream in; // поток чтения из сокета
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protected ObjectOutputStream out; // поток записи в сокет
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protected ServerExchangeUnit_2021 request;
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protected ServerExchangeUnit_2021 response;
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//-
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protected ServerCode code;
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protected long count = 0; //для отладки.
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protected Thread interruptThread = new InterruptThread(10000,
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() -> {
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System.exit(0);
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return null;
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});
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Class<D> d_class;
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//-----------RECURSION ->
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SignalHandler signalHandler = signal -> {
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};
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public RepositoryServer(Class<D> d_class_in) {
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d_class = d_class_in;
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}
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protected static void ResetLog() {
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if (printOn) {
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try {
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Log = new FileWriter("Log.txt", false);
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Log.close();
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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}
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protected static void Print(String message) {
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if (printOn) {
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try {
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Log = new FileWriter("Log.txt", true);
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String dmessage = Utils_.Brackets("SESSION -> ") + new Date() +
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" " + message;
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Log.write(dmessage + "\n");
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Log.close();
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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}
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//-DVMTestingChecker
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public abstract int getPort();
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protected abstract void Session() throws Exception;
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protected void startAdditionalThreads() {
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}
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public void ActivateDB() {
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try {
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db = d_class.newInstance();
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db.Connect();
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db.CreateAllTables();
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db.prepareTablesStatements();
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db.Synchronize();
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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public void Email(EmailMessage message_in, String address_in) throws Exception {
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Thread thread = new Thread(() -> {
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try {
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Properties props = new Properties();
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props.put("mail.smtp.host", Constants.SMTPHost);
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props.put("mail.smtp.auth", "true");
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props.put("mail.smtp.port", String.valueOf(Constants.SMTPPort));
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props.put("mail.smtp.socketFactory.port", String.valueOf(Constants.MailSocketPort));
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props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
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props.put("mail.smtp.connectiontimeout", String.valueOf(Global.properties.SocketTimeout));
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props.put("mail.smtp.timeout", String.valueOf(Global.properties.SocketTimeout));
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props.put("mail.smtp.writetimeout", String.valueOf(Global.properties.SocketTimeout));
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//------------------------------
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LinkedHashMap<String, File> innerFiles = new LinkedHashMap<>();
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for (String aName : message_in.files.keySet()) {
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File f = Utils.getTempFileName(aName);
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Utils_.bytesToFile(message_in.files.get(aName), f);
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innerFiles.put(aName, f);
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}
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//------------------------------
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Session session = Session.getDefaultInstance(props,
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new Authenticator() {
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@Override
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protected PasswordAuthentication getPasswordAuthentication() {
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return new PasswordAuthentication(
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Constants.MailAddress,
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Constants.MailPassword);
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}
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});
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boolean done = false;
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int attempts = 5;
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while (!done && (attempts > 0)) {
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try {
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MimeMessage message = new MimeMessage(session);
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message.setFrom(new InternetAddress(Constants.MailAddress));
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message.setRecipients(Message.RecipientType.CC, InternetAddress.parse(address_in));
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message.setSubject(message_in.subject);
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Multipart multipart = new MimeMultipart();
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MimeBodyPart textBodyPart = new MimeBodyPart();
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textBodyPart.setText(message_in.text);
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multipart.addBodyPart(textBodyPart);
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for (String aName : innerFiles.keySet()) {
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MimeBodyPart attachmentBodyPart = new MimeBodyPart();
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DataSource source = new FileDataSource(innerFiles.get(aName));
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attachmentBodyPart.setDataHandler(new DataHandler(source));
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attachmentBodyPart.setFileName(aName);
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multipart.addBodyPart(attachmentBodyPart);
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}
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message.setContent(multipart);
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Transport.send(message);
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done = true;
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} catch (Exception ex) {
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System.out.println("Исключение во время отправки сообщения абоненту " + Utils_.Brackets(address_in));
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ex.printStackTrace();
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Utils_.sleep(1000);
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} finally {
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attempts--;
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}
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}
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} catch (Exception ex) {
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System.out.println("Исключение во время выполнения рассылки.");
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ex.printStackTrace();
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}
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});
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thread.start();
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}
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public boolean canDelete(DBObject object) throws Exception {
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return true;
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}
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public void StartAction() throws Exception {
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}
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public void Start() throws Exception {
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/*
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File started = new File(Constants.STARTED);
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if (started.exists())
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FileUtils.forceDelete(started);
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Utils.createEmptyFile(Constants.STARTED);
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*/
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DiagnosticSignalHandler.install("TERM", signalHandler);
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DiagnosticSignalHandler.install("INT", signalHandler);
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DiagnosticSignalHandler.install("ABRT", signalHandler);
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interruptThread.start();
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startAdditionalThreads();
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server = new ServerSocket(getPort());
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StartAction();
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while (true) {
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try {
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clientSocket = server.accept();
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ResetLog();
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Print((count++) + " клиент присоединился, IP=" + clientSocket.getInetAddress());
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code = ServerCode.Undefined;
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out = new ObjectOutputStream(clientSocket.getOutputStream());
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in = new ObjectInputStream(clientSocket.getInputStream());
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//->
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DBObject dbObject = null;
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Pair<Class, Object> p = null;
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Print("Ожидание команды от клиента...");
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Object transport = in.readObject();
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Print("Команда прочитана.");
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if (transport instanceof ServerExchangeUnit_2021) {
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request = (ServerExchangeUnit_2021) transport;
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response = null;
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Print("клиент_2021: <- " + (request.codeName));
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try {
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code = request.getCode();
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//базовый функционал.
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switch (code) {
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//<editor-fold desc="файлы и почта">
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case ReadFile:
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Print("Отправить клиенту текст файла по пути " + Utils_.Brackets(request.arg));
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response = new ServerExchangeUnit_2021(ServerCode.OK, "", Utils.ReadAllText(new File(request.arg)));
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break;
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case SendFile:
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//нам пришел файл.
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Print("Получить от клиента файл, и распаковать его по пути " + Utils_.Brackets(request.arg));
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request.Unpack(); //распаковка идет по его аргу-пути назначения
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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break;
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case ReceiveFile:
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Print("Отправить клиенту файл по пути " + Utils_.Brackets(request.arg));
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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File file = new File(request.arg);
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response.object = file.exists() ? Utils_.fileToBytes(file) : null;
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break;
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case Email:
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Print("Отправка сообщения электронной почты");
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Email((EmailMessage) request.object, request.arg);
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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break;
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case EmailBroadcast:
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EmailBroadcast();
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break;
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//</editor-fold>
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//<editor-fold desc="Главная база данных">
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case CheckObjectExistense:
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p = (Pair<Class, Object>) request.object;
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Print("Проверить существование объекта класса " + p.getKey().toString() + " с ключом " + p.getValue());
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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response.object = db.checkObjectExistense(p.getKey(), p.getValue());
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break;
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case EditObject:
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DBObject new_object = (DBObject) request.object;
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Print("Редактировать объект " + new_object.getPK());
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db.UpdateWithCheck(new_object);
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afterEditAction(new_object);
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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break;
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case DeleteObject: //устарело. потом убрать. сейчас на это баг репорты повязаны.
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dbObject = (DBObject) request.object;
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Print("Удалить объект " + dbObject.getPK());
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db.DeleteWithCheck(dbObject);
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afterDeleteAction(dbObject);
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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break;
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case GetObjectCopyByPK:
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p = (Pair<Class, Object>) request.object;
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Print("Получить копию объекта класса " + p.getKey().toString() + " по ключу " + p.getValue());
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dbObject = db.getObjectCopyByPK(p.getKey(), p.getValue());
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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response.object = dbObject;
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break;
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case GetObjectsCopiesByPK:
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Print("Получить список копий объектов по ключам");
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p = (Pair<Class, Object>) request.object;
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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response.object = db.getObjectsCopies(p.getKey(), (Vector<Object>) p.getValue());
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break;
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case PublishObject:
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PublishObject();
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break;
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case PublishObjects:
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PublishObjects();
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break;
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case DeleteObjectByPK:
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DeleteObjectByPK();
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break;
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case DeleteObjectsByPK:
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DeleteObjectsByPK();
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break;
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case CloneObjectByPK:
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CloneObject();
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break;
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//</editor-fold>
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case EXIT:
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Print("ЗАВЕРШИТЬ РАБОТУ СЕРВЕРА");
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System.exit(0);
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break;
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case Ping:
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Print("Проверка активности сервера");
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Ping();
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break;
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default:
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Session();
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break;
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}
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} catch (Exception ex) {
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response = new ServerExchangeUnit_2021(ServerCode.FAIL, "Исключение сервера", ex);
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} finally {
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Print("сервер: -> " + response.codeName);
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out.writeObject(response);
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Print("Ответ отправлен.");
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}
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}
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Print("Соединение с клиентом завершено.");
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//->
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} catch (Exception ex) {
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Print("Исключение.Соединение с клиентом завершено.");
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} finally {
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//->
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try {
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if (clientSocket != null)
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clientSocket.close();
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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// потоки тоже хорошо бы закрыть
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try {
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if (in != null)
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in.close();
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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try {
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if (out != null)
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out.close();
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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Print("Сервер ждет следующего клиента.");
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}
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}
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}
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private void EmailBroadcast() throws Exception {
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String[] packed = request.arg.split("\n");
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for (String address : packed) {
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if (!address.isEmpty()) {
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Email((EmailMessage) request.object, address);
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}
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}
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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}
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//--
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protected Database getDefaultDatabase() {
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return db;
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}
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//--
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private void PublishObject() throws Exception {
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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DBObject dbObject = (DBObject) request.object;
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beforePublishAction(dbObject);
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response.object = (Serializable) getDefaultDatabase().InsertS(dbObject).getPK();
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afterPublishAction(dbObject);
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}
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private void PublishObjects() throws Exception {
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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Vector<DBObject> objects = (Vector<DBObject>) request.object;
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Database database = getDefaultDatabase();
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for (DBObject dbObject : objects) {
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beforePublishAction(dbObject);
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response.object = (Serializable) database.InsertS(dbObject).getPK();
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afterPublishAction(dbObject);
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}
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}
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private void CloneObject() throws Exception {
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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Print("Дублировать объект по ключу");
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Pair<Class, Object> to_clone = (Pair<Class, Object>) request.object;
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Object pk = to_clone.getValue();
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if (db.getTable(to_clone.getKey()).containsKey(to_clone.getValue())) {
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riDBObject src = (riDBObject) db.getTable(to_clone.getKey()).get(to_clone.getValue());
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riDBObject dst = (riDBObject) to_clone.getKey().newInstance();
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dst.SynchronizeFields(src);
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//единственное отличие клона - текущий автор
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dst.description += " копия";
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String[] packed = request.arg.split("\n");
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dst.sender_name = packed[0];
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dst.sender_address = packed[1];
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db.Insert(dst);
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afterCloneAction(src, dst);
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response.object = (Serializable) dst.getPK();
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}
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}
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protected void afterCloneAction(riDBObject src, riDBObject dst) throws Exception {
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}
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protected void beforePublishAction(DBObject object) throws Exception {
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}
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protected void afterPublishAction(DBObject object) throws Exception {
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}
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protected void afterEditAction(DBObject object) throws Exception {
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}
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//------------------------------
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private void DeleteObjectByPK() throws Exception {
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Print("Удалить объект по ключу");
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Pair<Class, Object> to_delete = (Pair<Class, Object>) request.object;
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afterDeleteAction(getDefaultDatabase().DeleteByPK(to_delete.getKey(), to_delete.getValue()));
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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}
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private void DeleteObjectsByPK() throws Exception {
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Print("Удалить объекты по ключам");
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Pair<Class, Vector<Object>> to_delete = (Pair<Class, Vector<Object>>) request.object;
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Database database = getDefaultDatabase();
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for (Object object : to_delete.getValue()) {
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afterDeleteAction(database.DeleteByPK(to_delete.getKey(), object));
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}
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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}
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public void afterDeleteAction(DBObject object) throws Exception {
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}
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public void Ping() {
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response = new ServerExchangeUnit_2021(ServerCode.OK);
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}
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}
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