510Connectbot: src/com/five_ten_sg/connectbot/transport/Telnet.java annotate

annotate src/com/five_ten_sg/connectbot/transport/Telnet.java @ 418:39533be5cbe9

remove unneeded catch

author	Carl Byington <carl@five-ten-sg.com>
date	Wed, 29 Oct 2014 13:28:59 -0700
parents	77ac18bc1b2f
children

rev	line source
0 0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	1 /*
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	2 * ConnectBot: simple, powerful, open-source SSH client for Android
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	3 * Copyright 2007 Kenny Root, Jeffrey Sharkey
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	4 *
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	5 * Licensed under the Apache License, Version 2.0 (the "License");
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	6 * you may not use this file except in compliance with the License.
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	7 * You may obtain a copy of the License at
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	8 *
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	9 * http://www.apache.org/licenses/LICENSE-2.0
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	10 *
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	11 * Unless required by applicable law or agreed to in writing, software
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	12 * distributed under the License is distributed on an "AS IS" BASIS,
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	14 * See the License for the specific language governing permissions and
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	15 * limitations under the License.
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	16 */
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	17
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	18 package com.five_ten_sg.connectbot.transport;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	19
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	20 import java.io.IOException;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	21 import java.io.InputStream;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	22 import java.io.OutputStream;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	23 import java.net.Socket;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	24 import java.net.SocketException;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	25 import java.net.UnknownHostException;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	26 import java.nio.charset.Charset;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	27 import java.util.Map;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	28 import java.util.regex.Matcher;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	29 import java.util.regex.Pattern;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	30
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	31 import com.five_ten_sg.connectbot.R;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	32 import com.five_ten_sg.connectbot.bean.HostBean;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	33 import com.five_ten_sg.connectbot.service.TerminalBridge;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	34 import com.five_ten_sg.connectbot.service.TerminalManager;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	35 import com.five_ten_sg.connectbot.util.HostDatabase;
11 f3b3bbd227b8 adding tn5250 files Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	36
0 0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	37 import android.content.Context;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	38 import android.net.Uri;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	39 import android.util.Log;
13 b39bcf616a6f adding tn5250 files Carl Byington <carl@five-ten-sg.com> parents: 12 diff changeset	40
0 0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	41 import de.mud.telnet.TelnetProtocolHandler;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	42
13 b39bcf616a6f adding tn5250 files Carl Byington <carl@five-ten-sg.com> parents: 12 diff changeset	43
0 0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	44 /**
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	45 * Telnet transport implementation.<br/>
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	46 * Original idea from the JTA telnet package (de.mud.telnet)
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	47 *
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	48 * @author Kenny Root
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	49 *
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	50 */
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	51 public class Telnet extends AbsTransport {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	52 private static final String TAG = "ConnectBot.Telnet";
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	53 private static final String PROTOCOL = "telnet";
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	54 private static final int DEFAULT_PORT = 23;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	55
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	56 private TelnetProtocolHandler handler;
31 139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	57 private Socket socket;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	58 private InputStream is;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	59 private OutputStream os;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	60 private int width;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	61 private int height;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	62 private boolean connected = false;
0 0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	63
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	64 static final Pattern hostmask;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	65 static {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	66 hostmask = Pattern.compile("^([0-9a-z.-]+)(:(\\d+))?$", Pattern.CASE_INSENSITIVE);
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	67 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	68
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	69 public Telnet() {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	70 handler = new TelnetProtocolHandler() {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	71 /** get the current terminal type */
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	72 @Override
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	73 public String getTerminalType() {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	74 return getEmulation();
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	75 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	76 /** get the current window size */
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	77 @Override
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	78 public int[] getWindowSize() {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	79 return new int[] { width, height };
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	80 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	81 /** notify about local echo */
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	82 @Override
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	83 public void setLocalEcho(boolean echo) {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	84 /* EMPTY */
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	85 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	86 /** write data to our back end */
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	87 @Override
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	88 public void write(byte[] b) throws IOException {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	89 if (os != null)
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	90 os.write(b);
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	91 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	92 /** sent on IAC EOR (prompt terminator for remote access systems). */
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	93 @Override
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	94 public void notifyEndOfRecord() {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	95 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	96 @Override
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	97 protected String getCharsetName() {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	98 Charset charset = bridge.getCharset();
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	99
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	100 if (charset != null)
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	101 return charset.name();
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	102 else
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	103 return "";
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	104 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	105 };
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	106 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	107
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	108
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	109 public static String getProtocolName() {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	110 return PROTOCOL;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	111 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	112
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	113
12 6aaefb22d876 adding tn5250 files Carl Byington <carl@five-ten-sg.com> parents: 11 diff changeset	114 public Uri getUri(String input) {
0 0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	115 Matcher matcher = hostmask.matcher(input);
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	116
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	117 if (!matcher.matches())
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	118 return null;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	119
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	120 StringBuilder sb = new StringBuilder();
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	121 sb.append(PROTOCOL)
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	122 .append("://")
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	123 .append(matcher.group(1));
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	124 String portString = matcher.group(3);
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	125 int port = DEFAULT_PORT;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	126
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	127 if (portString != null) {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	128 try {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	129 port = Integer.parseInt(portString);
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	130
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	131 if (port < 1 \|\| port > 65535) {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	132 port = DEFAULT_PORT;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	133 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	134 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	135 catch (NumberFormatException nfe) {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	136 // Keep the default port
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	137 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	138 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	139
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	140 if (port != DEFAULT_PORT) {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	141 sb.append(':');
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	142 sb.append(port);
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	143 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	144
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	145 sb.append("/#")
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	146 .append(Uri.encode(input));
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	147 Uri uri = Uri.parse(sb.toString());
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	148 return uri;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	149 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	150
31 139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	151
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	152 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	153 public void connect() {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	154 try {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	155 socket = new Socket(host.getHostname(), host.getPort());
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	156 connected = true;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	157 is = socket.getInputStream();
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	158 os = socket.getOutputStream();
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	159 bridge.onConnected();
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	160 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	161 catch (UnknownHostException e) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	162 Log.d(TAG, "IO Exception connecting to host", e);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	163 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	164 catch (IOException e) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	165 Log.d(TAG, "IO Exception connecting to host", e);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	166 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	167 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	168
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	169
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	170 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	171 public boolean willBlock() {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	172 if (is == null) return true;
112 77ac18bc1b2f cleanup java formatting Carl Byington <carl@five-ten-sg.com> parents: 31 diff changeset	173
31 139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	174 try {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	175 return is.available() == 0;
112 77ac18bc1b2f cleanup java formatting Carl Byington <carl@five-ten-sg.com> parents: 31 diff changeset	176 }
77ac18bc1b2f cleanup java formatting Carl Byington <carl@five-ten-sg.com> parents: 31 diff changeset	177 catch (Exception e) {
31 139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	178 return true;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	179 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	180 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	181
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	182
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	183 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	184 public int read(byte[] buffer, int start, int len) throws IOException {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	185 /* process all already read bytes */
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	186 int n = 0;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	187
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	188 do {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	189 n = handler.negotiate(buffer, start);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	190
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	191 if (n > 0)
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	192 return n;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	193 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	194 while (n == 0);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	195
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	196 while (n <= 0) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	197 do {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	198 n = handler.negotiate(buffer, start);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	199
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	200 if (n > 0)
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	201 return n;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	202 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	203 while (n == 0);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	204
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	205 n = is.read(buffer, start, len);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	206
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	207 if (n < 0) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	208 bridge.dispatchDisconnect(false);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	209 throw new IOException("Remote end closed connection.");
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	210 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	211
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	212 handler.inputfeed(buffer, start, n);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	213 n = handler.negotiate(buffer, start);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	214 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	215
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	216 return n;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	217 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	218
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	219
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	220 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	221 public void write(byte[] buffer) throws IOException {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	222 try {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	223 if (os != null)
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	224 os.write(buffer);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	225 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	226 catch (SocketException e) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	227 bridge.dispatchDisconnect(false);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	228 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	229 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	230
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	231
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	232 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	233 public void write(int c) throws IOException {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	234 try {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	235 if (os != null)
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	236 os.write(c);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	237 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	238 catch (SocketException e) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	239 bridge.dispatchDisconnect(false);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	240 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	241 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	242
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	243
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	244 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	245 public void flush() throws IOException {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	246 os.flush();
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	247 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	248
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	249
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	250 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	251 public void close() {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	252 connected = false;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	253
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	254 if (socket != null)
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	255 try {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	256 socket.close();
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	257 socket = null;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	258 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	259 catch (IOException e) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	260 Log.d(TAG, "Error closing telnet socket.", e);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	261 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	262 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	263
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	264
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	265 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	266 public void setDimensions(int columns, int rows, int width, int height) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	267 try {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	268 handler.setWindowSize(columns, rows);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	269 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	270 catch (IOException e) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	271 Log.e(TAG, "Couldn't resize remote terminal", e);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	272 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	273 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	274
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	275
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	276 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	277 public int getDefaultPort() {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	278 return DEFAULT_PORT;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	279 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	280
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	281 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	282 public boolean isConnected() {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	283 return connected;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	284 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	285
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	286 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	287 public boolean isSessionOpen() {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	288 return isConnected();
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	289 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	290
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	291 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	292 public boolean isAuthenticated() {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	293 return isConnected();
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	294 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	295
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	296
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	297 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	298 public String getDefaultNickname(String username, String hostname, int port) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	299 if (port == DEFAULT_PORT) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	300 return String.format("%s", hostname);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	301 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	302 else {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	303 return String.format("%s:%d", hostname, port);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	304 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	305 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	306
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	307
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	308 @Override
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	309 public void getSelectionArgs(Uri uri, Map<String, String> selection) {
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	310 selection.put(HostDatabase.FIELD_HOST_PROTOCOL, PROTOCOL);
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	311 selection.put(HostDatabase.FIELD_HOST_NICKNAME, uri.getFragment());
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	312 selection.put(HostDatabase.FIELD_HOST_HOSTNAME, uri.getHost());
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	313 int port = uri.getPort();
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	314
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	315 if (port < 0)
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	316 port = DEFAULT_PORT;
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	317
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	318 selection.put(HostDatabase.FIELD_HOST_PORT, Integer.toString(port));
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	319 }
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	320
139394237973 start tn5250 integration Carl Byington <carl@five-ten-sg.com> parents: 13 diff changeset	321
0 0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	322 @Override
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	323 public HostBean createHost(Uri uri) {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	324 HostBean host = new HostBean();
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	325 host.setProtocol(PROTOCOL);
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	326 host.setHostname(uri.getHost());
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	327 int port = uri.getPort();
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	328
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	329 if (port < 0)
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	330 port = DEFAULT_PORT;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	331
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	332 host.setPort(port);
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	333 String nickname = uri.getFragment();
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	334
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	335 if (nickname == null \|\| nickname.length() == 0) {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	336 host.setNickname(getDefaultNickname(host.getUsername(),
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	337 host.getHostname(), host.getPort()));
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	338 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	339 else {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	340 host.setNickname(uri.getFragment());
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	341 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	342
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	343 return host;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	344 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	345
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	346
12 6aaefb22d876 adding tn5250 files Carl Byington <carl@five-ten-sg.com> parents: 11 diff changeset	347 public String getFormatHint(Context context) {
0 0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	348 return String.format("%s:%s",
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	349 context.getString(R.string.format_hostname),
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	350 context.getString(R.string.format_port));
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	351 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	352
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	353 @Override
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	354 public boolean usesNetwork() {
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	355 return true;
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	356 }
0ce5cc452d02 initial version Carl Byington <carl@five-ten-sg.com> parents: diff changeset	357 }

Mercurial > 510Connectbot

annotate src/com/five_ten_sg/connectbot/transport/Telnet.java @ 418:39533be5cbe9