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v2.7.2.1
This commit is contained in:
gnosygnu
23
400_xowa/xtn/gplx/xowa/Xowa_main.java
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23
400_xowa/xtn/gplx/xowa/Xowa_main.java
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/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012 gnosygnu@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gplx.xowa;
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public class Xowa_main {
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public static void main(String[] args) {
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gplx.xowa.Xoa_app_.Run(args);
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}
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}
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247
400_xowa/xtn/gplx/xowa/Xowa_tcp_console.java
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247
400_xowa/xtn/gplx/xowa/Xowa_tcp_console.java
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/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012 gnosygnu@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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XOWA TCP console: A TCP console example for XOWA
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Copyright (C) 2013 gnosygnu@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gplx.xowa;
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import java.io.BufferedReader;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.net.ServerSocket;
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import java.net.Socket;
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public class Xowa_tcp_console {
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public static void main(String[] args) {
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Xowa_tcp_console console = new Xowa_tcp_console();
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console.Run(args);
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}
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private int server_send_port;
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private int server_recv_port;
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private String wiki_domain;
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private int max_length;
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private Xowa_tcp_sender sender;
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public void Run(String[] args) {
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Print_message_line("XOWA TCP client v0.0.0.0");
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// parse args
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if (!Parse_args(args)) {
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Print_message_line("XOWA console requires 4 args: server_send_port, server_recv_port, wiki_domain, max_length.");
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Print_message_line("For example, use '55000 55001 simple.wikipedia.org 1000'");
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return;
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}
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// start sender
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sender = new Xowa_tcp_sender(server_send_port);
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// start console
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BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
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Print_message_line("Enter page name. For example 'Earth'. Press Ctrl+C to exit. Enter '|server_stop' to stop server or '|exit' to exit.");
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Print_message("> ");
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try {
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while (true) {
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String page = Read_string(input);
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if (page == null)
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break;
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else if ("|exit".equals(page))
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break;
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else if ("|server_stop".equals(page)) {
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Send_message_server_stop();
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}
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else
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Send_message_fetch_page(page);
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}
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}
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catch (Exception e) {
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Print_error(e);
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}
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}
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private void Send_message_fetch_page(String page) {
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Print_message_line("Sending request for " + page);
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// String xowa_msg = "0|0000000128|0000000257|xowa.cmd.exec|id_0|sender_0|recipient_0|2013-07-18 01:23:45.678|app.shell.fetch_page('simple.wikipedia.org/wiki/Earth', 'html');";
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String command = String.format("app.shell.fetch_page('%s/wiki/%s', 'wiki');", wiki_domain, page);
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Send_message(command);
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}
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private void Send_message_server_stop() {
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Print_message_line("Sending request to stop server");
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Send_message("app.server.stop;");
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}
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private void Send_message(String command) {
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String id = "id_is_for_client_usage";
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String time = "time_is_for_client_usage";
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String body = String.format("xowa.cmd.exec|%s|xowa_tcp_console|xowa_server|%s|%s", id, time, command);
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int body_len = body.length();
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int cksum = (body_len * 2) + 1;
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String msg = String.format("0|%s|%s|%s", String.format("%010d", body_len), String.format("%010d", cksum), body);
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Xowa_tcp_receiver receiver = new Xowa_tcp_receiver(server_recv_port, max_length);
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new Thread(receiver).start();
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sender.Send_command(msg);
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}
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private boolean Parse_args(String[] args) {
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if (args.length != 4) {
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Print_message_line("4 arguments must be supplied: " + args.length);
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return false;
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}
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server_send_port = Parse_int(args[0]); if (server_send_port == -1) return false;
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server_recv_port = Parse_int(args[1]); if (server_recv_port == -1) return false;
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wiki_domain = args[2];
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max_length = Parse_int(args[3]); if (max_length == -1) return false;
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return true;
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}
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private static int Parse_int(String raw) {
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try {return Integer.parseInt(raw);}
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catch (Exception e) {
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Print_message_line("argument must be numeric: " + raw);
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return -1;
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}
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}
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private static String Read_string(BufferedReader input) {
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try {return input.readLine();}
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catch (IOException e) {return null;}
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}
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public static void Print_message_line(String msg) {
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System.out.println(msg);
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}
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public static void Print_message(String msg) {
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System.out.print(msg);
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}
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public static void Print_error(Exception e) {
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System.err.println(e.getMessage());
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}
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public static void Sleep(long millis) {
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try {Thread.sleep(millis);}
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catch (InterruptedException e) {Print_error(e);}
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}
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}
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class Xowa_tcp_sender {
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private int port;
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private Socket socket;
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private OutputStream output_stream;
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public Xowa_tcp_sender(int port) {this.port = port;}
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public boolean Open_socket() {
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try {
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socket = new Socket("localhost", port);
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// socket.setSoTimeout(10000);
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output_stream = socket.getOutputStream();
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return true;
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}
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catch (Exception e) {
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Xowa_tcp_console.Print_error(e);
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return false;
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}
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}
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public void Send_command(String msg) {
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try {
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while (!Open_socket()) {
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Xowa_tcp_console.Sleep(100);
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}
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byte[] buffer = msg.getBytes();
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output_stream.write(buffer, 0, buffer.length);
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Close_socket();
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}
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catch (Exception e) {
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Xowa_tcp_console.Print_error(e);
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}
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}
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public void Close_socket() {
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try {
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output_stream.close();
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socket.close();
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}
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catch (Exception e) {
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Xowa_tcp_console.Print_error(e);
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}
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}
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}
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class Xowa_tcp_receiver implements Runnable {
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private int port;
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private int max_length;
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private ServerSocket server_socket;
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private Socket client_socket;
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private InputStream input_stream;
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public Xowa_tcp_receiver(int port, int max_length) {
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this.port = port;
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this.max_length = max_length;
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}
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public void run() {
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try {
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// initialization
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server_socket = new ServerSocket(port);
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client_socket = server_socket.accept();
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// client_socket.setSoTimeout(10000);
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byte[] buffer = new byte[65536];
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input_stream = client_socket.getInputStream();
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// read incoming messages
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int read = 0;
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while (true) {
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String msg = "";
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// read header
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int body_len_max = 0, body_len_cur = 0;
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read = input_stream.read(buffer, 0, 24);
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if (read == -1) break;
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String body_len_max_str = new String(buffer, 2, 10);
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body_len_max = Integer.parseInt(body_len_max_str);
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buffer = new byte[body_len_max];
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// read rest of body
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while (body_len_cur < body_len_max) {
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read = input_stream.read(buffer);
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if (read == -1) break;
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body_len_cur += read;
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msg += new String(buffer, 0, read);
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}
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int msg_length = msg.length();
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if (msg_length > max_length) msg_length = max_length;
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Xowa_tcp_console.Print_message_line(msg.substring(0, msg_length));
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Xowa_tcp_console.Print_message("\n\n> ");
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}
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this.Close_socket();
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}
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catch (Exception e) {
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Xowa_tcp_console.Print_error(e);
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}
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}
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public void Close_socket() {
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try {
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input_stream.close();
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client_socket.close();
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server_socket.close();
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}
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catch (Exception e) {
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// Xowa_tcp_console.Print_error(e); // ignore, else error will print in console
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}
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}
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}
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