Mercurial > 510Connectbot
annotate src/com/five_ten_sg/connectbot/transport/TN5250.java @ 396:1f625669d89d
Added tag stable-1.9.0.6 for changeset 74d527fe7f5f
author | Carl Byington <carl@five-ten-sg.com> |
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date | Fri, 19 Sep 2014 15:27:51 -0700 |
parents | 071eccdff8ea |
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rev | line source |
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11 | 1 /* |
2 * 510ConnectBot | |
3 * Copyright 2014 Carl Byington | |
4 * | |
5 * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 * you may not use this file except in compliance with the License. | |
7 * You may obtain a copy of the License at | |
8 * | |
9 * http://www.apache.org/licenses/LICENSE-2.0 | |
10 * | |
11 * Unless required by applicable law or agreed to in writing, software | |
12 * distributed under the License is distributed on an "AS IS" BASIS, | |
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 * See the License for the specific language governing permissions and | |
15 * limitations under the License. | |
16 */ | |
17 | |
18 package com.five_ten_sg.connectbot.transport; | |
19 | |
20 import java.io.IOException; | |
21 import java.io.InputStream; | |
22 import java.io.OutputStream; | |
23 import java.net.Socket; | |
24 import java.net.SocketException; | |
13 | 25 import java.net.UnknownHostException; |
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26 import java.util.HashMap; |
11 | 27 import java.util.List; |
28 import java.util.Map; | |
13 | 29 import java.util.regex.Matcher; |
30 import java.util.regex.Pattern; | |
11 | 31 |
12 | 32 import org.tn5250j.framework.tn5250.Screen5250; |
33 import org.tn5250j.framework.tn5250.tnvt; | |
34 | |
13 | 35 import com.five_ten_sg.connectbot.R; |
11 | 36 import com.five_ten_sg.connectbot.bean.HostBean; |
37 import com.five_ten_sg.connectbot.bean.PortForwardBean; | |
38 import com.five_ten_sg.connectbot.service.TerminalBridge; | |
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39 import com.five_ten_sg.connectbot.service.TerminalKeyListener; |
11 | 40 import com.five_ten_sg.connectbot.service.TerminalManager; |
41 import com.five_ten_sg.connectbot.util.HostDatabase; | |
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42 import com.five_ten_sg.connectbot.util.PreferenceConstants; |
11 | 43 import android.content.Context; |
44 import android.net.Uri; | |
13 | 45 import android.util.Log; |
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46 import android.view.KeyCharacterMap; |
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47 import android.view.KeyEvent; |
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48 import android.view.View; |
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49 import de.mud.terminal.vt320; |
11 | 50 |
51 | |
52 /** | |
53 * @author Carl Byington | |
54 * | |
55 */ | |
56 public class TN5250 extends AbsTransport { | |
57 private static final String PROTOCOL = "tn5250"; | |
58 private static final String TAG = "ConnectBot.tn5250"; | |
59 private static final int DEFAULT_PORT = 23; | |
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60 |
11 | 61 private Screen5250 screen52; |
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62 private tnvt handler = null; |
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63 private Socket socket; |
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64 private boolean connected = false; |
11 | 65 |
12 | 66 static final Pattern hostmask; |
67 static { | |
68 hostmask = Pattern.compile("^([0-9a-z.-]+)(:(\\d+))?$", Pattern.CASE_INSENSITIVE); | |
69 } | |
70 | |
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71 |
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72 class vt320x5250 extends vt320 { |
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73 private HashMap<Integer, Integer> controls; |
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74 private HashMap<Integer, String> mnemonics; |
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75 |
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76 public vt320x5250() { |
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77 this(80, 24); |
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78 } |
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79 |
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80 public vt320x5250(int width, int height) { |
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81 super(width, height); |
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82 controls = new HashMap<Integer, Integer>(); |
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83 controls.put(0x01, KEY_PAUSE); // ctrl-a -> [attn] |
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84 controls.put(0x08, KEY_BACK_SPACE); |
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85 controls.put(0x09, KEY_TAB); |
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86 controls.put(0x0d, KEY_ENTER); |
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87 controls.put(0x12, KEY_ESCAPE); // ctrl-r -> [reset] |
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88 controls.put(0x13, KEY_SYSREQ); // ctrl-s -> [sysreq] |
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89 controls.put(0x1b, KEY_ESCAPE); // esc -> [reset] |
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90 mnemonics = new HashMap<Integer, String>(); |
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91 mnemonics.put(KEY_PAUSE , "[attn]"); |
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92 mnemonics.put(KEY_F1 , "[pf1]"); |
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93 mnemonics.put(KEY_F2 , "[pf2]"); |
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94 mnemonics.put(KEY_F3 , "[pf3]"); |
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95 mnemonics.put(KEY_F4 , "[pf4]"); |
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96 mnemonics.put(KEY_F5 , "[pf5]"); |
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97 mnemonics.put(KEY_F6 , "[pf6]"); |
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98 mnemonics.put(KEY_F7 , "[pf7]"); |
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99 mnemonics.put(KEY_F8 , "[pf8]"); |
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100 mnemonics.put(KEY_F9 , "[pf9]"); |
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101 mnemonics.put(KEY_F10 , "[pf10]"); |
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102 mnemonics.put(KEY_F11 , "[pf11]"); |
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103 mnemonics.put(KEY_F12 , "[pf12]"); |
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104 mnemonics.put(KEY_F13 , "[pf13]"); |
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105 mnemonics.put(KEY_F14 , "[pf14]"); |
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106 mnemonics.put(KEY_F15 , "[pf15]"); |
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107 mnemonics.put(KEY_F16 , "[pf16]"); |
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108 mnemonics.put(KEY_F17 , "[pf17]"); |
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109 mnemonics.put(KEY_F18 , "[pf18]"); |
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110 mnemonics.put(KEY_F19 , "[pf19]"); |
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111 mnemonics.put(KEY_F20 , "[pf20]"); |
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112 mnemonics.put(KEY_F21 , "[pf21]"); |
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113 mnemonics.put(KEY_F22 , "[pf22]"); |
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114 mnemonics.put(KEY_F23 , "[pf23]"); |
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115 mnemonics.put(KEY_F24 , "[pf24]"); |
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116 mnemonics.put(KEY_UP , "[up]"); |
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117 mnemonics.put(KEY_DOWN , "[down]"); |
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118 mnemonics.put(KEY_LEFT , "[left]"); |
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119 mnemonics.put(KEY_RIGHT , "[right]"); |
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120 mnemonics.put(KEY_PAGE_DOWN , "[pgdown]"); |
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121 mnemonics.put(KEY_PAGE_UP , "[pgup]"); |
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122 mnemonics.put(KEY_INSERT , "[insert]"); |
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123 mnemonics.put(KEY_DELETE , "[delete]"); |
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124 mnemonics.put(KEY_BACK_SPACE , "[backspace]"); |
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125 mnemonics.put(KEY_HOME , "[home]"); |
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126 mnemonics.put(KEY_END , "[end]"); |
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127 mnemonics.put(KEY_NUM_LOCK , ""); |
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128 mnemonics.put(KEY_CAPS_LOCK , ""); |
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129 mnemonics.put(KEY_SHIFT , ""); |
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130 mnemonics.put(KEY_CONTROL , ""); |
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131 mnemonics.put(KEY_ALT , ""); |
57
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132 mnemonics.put(KEY_ENTER , "[enter]"); |
53
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133 mnemonics.put(KEY_NUMPAD0 , "0"); |
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134 mnemonics.put(KEY_NUMPAD1 , "1"); |
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135 mnemonics.put(KEY_NUMPAD2 , "2"); |
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136 mnemonics.put(KEY_NUMPAD3 , "3"); |
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137 mnemonics.put(KEY_NUMPAD4 , "4"); |
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138 mnemonics.put(KEY_NUMPAD5 , "5"); |
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139 mnemonics.put(KEY_NUMPAD6 , "6"); |
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140 mnemonics.put(KEY_NUMPAD7 , "7"); |
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141 mnemonics.put(KEY_NUMPAD8 , "8"); |
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142 mnemonics.put(KEY_NUMPAD9 , "9"); |
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143 mnemonics.put(KEY_DECIMAL , "."); |
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144 mnemonics.put(KEY_ADD , "+"); |
151 | 145 mnemonics.put(KEY_ESCAPE , "[reset]"); |
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146 mnemonics.put(KEY_TAB , "[tab]"); |
166
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147 mnemonics.put(KEY_SYSREQ , "[sysreq]"); |
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148 } |
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149 |
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150 @Override |
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151 public void debug(String s) { |
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152 Log.d(TAG, s); |
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153 } |
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154 |
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155 // monitor injecting a field |
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156 @Override |
104
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157 public void setField(int l, int c, char [] data) { |
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158 screen52.setField(l, c, data); |
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159 } |
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160 |
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161 // monitor simulating key depress |
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162 @Override |
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163 public void keyDepressed(int keyCode, char keyChar, int modifiers) { |
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164 if (mnemonics.containsKey(keyCode)) { |
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165 String s = mnemonics.get(keyCode); |
307 | 166 |
175
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167 if (s != "") screen52.sendKeys(s); |
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168 } |
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169 } |
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170 |
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171 // terminal key listener found special key, send notification to monitor |
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172 @Override |
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173 public void monitorKey(boolean down) { |
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174 if (bridge.monitor != null) bridge.monitor.keyState(down); |
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175 } |
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176 |
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177 // terminal key listener sending to local screen |
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178 @Override |
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179 public void write(byte[] b) { |
144 | 180 screen52.sendKeys(new String(b)); |
307 | 181 |
229
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182 if (bridge.monitor != null) bridge.monitor.testMoved(); |
144 | 183 } |
184 @Override | |
185 public void write(int b) { | |
147
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186 if (controls.containsKey(b)) keyPressed(controls.get(b), ' ', 0); |
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187 else screen52.sendKeys(new String(new byte[] {(byte)b})); |
307 | 188 |
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189 if (bridge.monitor != null) bridge.monitor.testMoved(); |
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190 } |
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191 @Override |
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192 public void keyPressed(int keyCode, char keyChar, int modifiers) { |
175
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193 keyDepressed(keyCode, keyChar, modifiers); |
307 | 194 |
229
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195 if (bridge.monitor != null) bridge.monitor.testMoved(); |
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196 } |
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197 |
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198 // 5250 writing to the screen |
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199 // test for changed screen contents |
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200 @Override |
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201 public void testChanged() { |
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202 if (bridge.monitor != null) bridge.monitor.testChanged(); |
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203 } |
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204 @Override |
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205 public void putChar(int c, int l, char ch, int attributes) { |
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206 if (bridge.monitor != null) bridge.monitor.screenChanged(l, c); |
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207 |
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208 super.putChar(c, l, ch, attributes); |
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209 } |
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210 @Override |
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211 public void setCursorPosition(int c, int l) { |
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212 if (bridge.monitor != null) bridge.monitor.cursorMove(l, c); |
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213 |
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214 super.setCursorPosition(c, l); |
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215 redraw(); |
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216 } |
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217 }; |
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218 |
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219 |
11 | 220 public TN5250() { |
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221 super(); |
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222 } |
11 | 223 |
224 | |
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225 /** |
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226 * @return protocol part of the URI |
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227 */ |
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228 public static String getProtocolName() { |
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229 return PROTOCOL; |
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230 } |
11 | 231 |
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232 |
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233 /** |
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234 * Encode the current transport into a URI that can be passed via intent calls. |
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235 * @return URI to host |
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236 */ |
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237 public Uri getUri(String input) { |
12 | 238 Matcher matcher = hostmask.matcher(input); |
239 | |
240 if (!matcher.matches()) | |
241 return null; | |
242 | |
243 StringBuilder sb = new StringBuilder(); | |
244 sb.append(PROTOCOL) | |
245 .append("://") | |
246 .append(matcher.group(1)); | |
247 String portString = matcher.group(3); | |
248 int port = DEFAULT_PORT; | |
249 | |
250 if (portString != null) { | |
251 try { | |
252 port = Integer.parseInt(portString); | |
253 | |
254 if (port < 1 || port > 65535) { | |
255 port = DEFAULT_PORT; | |
256 } | |
257 } | |
258 catch (NumberFormatException nfe) { | |
259 // Keep the default port | |
260 } | |
261 } | |
262 | |
263 if (port != DEFAULT_PORT) { | |
264 sb.append(':'); | |
265 sb.append(port); | |
266 } | |
267 | |
268 sb.append("/#") | |
269 .append(Uri.encode(input)); | |
270 Uri uri = Uri.parse(sb.toString()); | |
271 return uri; | |
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272 } |
11 | 273 |
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274 |
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275 /** |
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276 * Causes transport to connect to the target host. After connecting but before a |
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277 * session is started, must call back to {@link TerminalBridge#onConnected()}. |
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278 * After that call a session may be opened. |
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279 */ |
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280 @Override |
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281 public void connect() { |
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282 screen52 = new Screen5250(); |
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283 handler = new tnvt(screen52, true, true, bridge, manager); |
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284 screen52.setVT(handler); |
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285 screen52.setBuffer(buffer); |
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286 bridge.addFontSizeChangedListener(screen52); |
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287 connected = handler.connect(host, homeDirectory, buffer); |
307 | 288 |
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289 if (connected) bridge.onConnected(); |
11 | 290 } |
291 | |
292 | |
293 /** | |
294 * Checks if read() will block. If there are no bytes remaining in | |
295 * the underlying transport, return true. | |
296 */ | |
297 @Override | |
298 public boolean willBlock() { | |
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299 // we don't use a relay thread between the transport and the vt320 buffer |
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300 return true; |
11 | 301 } |
302 | |
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303 |
11 | 304 /** |
305 * Reads from the transport. Transport must support reading into a byte array | |
306 * <code>buffer</code> at the start of <code>offset</code> and a maximum of | |
307 * <code>length</code> bytes. If the remote host disconnects, throw an | |
308 * {@link IOException}. | |
309 * @param buffer byte buffer to store read bytes into | |
310 * @param offset where to start writing in the buffer | |
311 * @param length maximum number of bytes to read | |
312 * @return number of bytes read | |
313 * @throws IOException when remote host disconnects | |
314 */ | |
315 public int read(byte[] buffer, int offset, int length) throws IOException { | |
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316 // we don't use a relay thread between the transport and the vt320 buffer |
11 | 317 return 0; |
318 } | |
319 | |
320 | |
321 /** | |
322 * Writes to the transport. If the host is not yet connected, simply return without | |
323 * doing anything. An {@link IOException} should be thrown if there is an error after | |
324 * connection. | |
325 * @param buffer bytes to write to transport | |
326 * @throws IOException when there is a problem writing after connection | |
327 */ | |
328 public void write(byte[] buffer) throws IOException { | |
329 } | |
330 | |
31
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331 |
11 | 332 /** |
333 * Writes to the transport. See {@link #write(byte[])} for behavior details. | |
334 * @param c character to write to the transport | |
335 * @throws IOException when there is a problem writing after connection | |
336 */ | |
337 public void write(int c) throws IOException { | |
338 } | |
339 | |
31
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340 |
11 | 341 /** |
342 * Flushes the write commands to the transport. | |
343 * @throws IOException when there is a problem writing after connection | |
344 */ | |
345 public void flush() throws IOException { | |
346 } | |
347 | |
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348 |
11 | 349 /** |
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350 * Closes the connection to the terminal. |
11 | 351 */ |
352 public void close() { | |
13 | 353 handler.disconnect(); |
11 | 354 connected = false; |
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355 bridge.removeFontSizeChangedListener(screen52); |
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356 bridge.dispatchDisconnect(false); |
11 | 357 } |
358 | |
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359 |
11 | 360 /** |
361 * Tells the transport what dimensions the display is currently | |
362 * @param columns columns of text | |
363 * @param rows rows of text | |
364 * @param width width in pixels | |
365 * @param height height in pixels | |
366 */ | |
367 @Override | |
368 public void setDimensions(int columns, int rows, int width, int height) { | |
369 // do nothing | |
370 } | |
371 | |
372 | |
373 @Override | |
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374 public vt320 getTransportBuffer() { |
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375 buffer = new vt320x5250(); |
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376 return setupTransportBuffer(); |
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377 } |
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378 |
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379 |
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380 @Override |
11 | 381 public int getDefaultPort() { |
382 return DEFAULT_PORT; | |
383 } | |
384 | |
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385 |
11 | 386 @Override |
387 public boolean isConnected() { | |
388 return connected; | |
389 } | |
390 | |
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391 |
11 | 392 @Override |
393 public boolean isSessionOpen() { | |
394 return connected; | |
395 } | |
396 | |
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397 |
11 | 398 @Override |
399 public boolean isAuthenticated() { | |
400 return connected; | |
401 } | |
402 | |
403 | |
404 @Override | |
405 public String getDefaultNickname(String username, String hostname, int port) { | |
406 if (port == DEFAULT_PORT) { | |
407 return String.format("%s", hostname); | |
408 } | |
409 else { | |
410 return String.format("%s:%d", hostname, port); | |
411 } | |
412 } | |
413 | |
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414 |
11 | 415 @Override |
416 public void getSelectionArgs(Uri uri, Map<String, String> selection) { | |
417 selection.put(HostDatabase.FIELD_HOST_PROTOCOL, PROTOCOL); | |
418 selection.put(HostDatabase.FIELD_HOST_NICKNAME, uri.getFragment()); | |
419 selection.put(HostDatabase.FIELD_HOST_HOSTNAME, uri.getHost()); | |
420 int port = uri.getPort(); | |
421 | |
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422 if (port < 0) port = DEFAULT_PORT; |
11 | 423 |
424 selection.put(HostDatabase.FIELD_HOST_PORT, Integer.toString(port)); | |
425 } | |
426 | |
427 | |
428 @Override | |
429 public HostBean createHost(Uri uri) { | |
430 HostBean host = new HostBean(); | |
431 host.setProtocol(PROTOCOL); | |
432 host.setHostname(uri.getHost()); | |
433 int port = uri.getPort(); | |
434 | |
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435 if (port < 0) port = DEFAULT_PORT; |
11 | 436 |
437 host.setPort(port); | |
438 String nickname = uri.getFragment(); | |
439 | |
440 if (nickname == null || nickname.length() == 0) { | |
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441 nickname = getDefaultNickname(host.getUsername(), host.getHostname(), host.getPort()); |
11 | 442 } |
307 | 443 |
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444 host.setNickname(nickname); |
11 | 445 return host; |
446 } | |
447 | |
448 | |
12 | 449 public String getFormatHint(Context context) { |
11 | 450 return String.format("%s:%s", |
451 context.getString(R.string.format_hostname), | |
452 context.getString(R.string.format_port)); | |
453 } | |
454 | |
455 | |
456 @Override | |
457 public boolean usesNetwork() { | |
458 return true; | |
459 } | |
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460 |
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461 |
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462 @Override |
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463 public boolean needsRelay() { |
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464 // we don't use a relay thread between the transport and the vt320 buffer |
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465 return false; |
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466 } |
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467 |
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468 public TerminalKeyListener getTerminalKeyListener() { |
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469 return new TerminalKeyListener(manager, bridge, buffer, host.getEncoding()); |
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470 } |
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471 |
11 | 472 } |