appc-config/appc-config-adaptor/provider/src/main/java/org/onap/appc/ccadaptor/SshJcraftWrapper.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP : APPC
   4  * ================================================================================
   5  * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Copyright (C) 2017 Amdocs
   8  * =============================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  * ============LICENSE_END=========================================================
  22  */
  23
  24 package org.onap.appc.ccadaptor;
  25
  26 import com.att.eelf.configuration.EELFLogger;
  27 import com.att.eelf.configuration.EELFManager;
  28 import com.jcraft.jsch.Channel;
  29 import com.jcraft.jsch.ChannelSftp;
  30 import com.jcraft.jsch.ChannelShell;
  31 import com.jcraft.jsch.ChannelSubsystem;
  32 import com.jcraft.jsch.JSch;
  33 import com.jcraft.jsch.JSchException;
  34 import com.jcraft.jsch.Session;
  35 import com.jcraft.jsch.SftpException;
  36 import com.jcraft.jsch.UIKeyboardInteractive;
  37 import com.jcraft.jsch.UserInfo;
  38 import java.io.BufferedInputStream;
  39 import java.io.BufferedReader;
  40 import java.io.BufferedWriter;
  41 import java.io.ByteArrayInputStream;
  42 import java.io.ByteArrayOutputStream;
  43 import java.io.DataInputStream;
  44 import java.io.DataOutputStream;
  45 import java.io.File;
  46 import java.io.FileWriter;
  47 import java.io.IOException;
  48 import java.io.InputStream;
  49 import java.io.InputStreamReader;
  50 import java.io.OutputStream;
  51 import java.io.RandomAccessFile;
  52 import java.text.DateFormat;
  53 import java.text.SimpleDateFormat;
  54 import java.util.Calendar;
  55 import java.util.Date;
  56 import java.util.StringTokenizer;
  57 import java.util.concurrent.TimeUnit;
  58 import javax.annotation.Nonnull;
  59 import org.apache.commons.lang.StringUtils;
  60 import org.onap.appc.i18n.Msg;
  61
  62 public class SshJcraftWrapper {
  63
  64     InputStream inputStream = null;
  65     OutputStream outputStream = null;
  66     DebugLog debugLog = new DebugLog();
  67     private String debugLogFileName = "/tmp/sshJcraftWrapperDebug";
  68     private TelnetListener listener = null;
  69     private String routerLogFileName = null;
  70     private String host = null;
  71     private String RouterName = null;
  72     private int BUFFER_SIZE = 512000;
  73     char[] charBuffer = new char[BUFFER_SIZE];
  74     // private int BUFFER_SIZE = 4000000;
  75     private DataInputStream dis = null;
  76     private BufferedReader reader = null;
  77     private BufferedWriter out = null;
  78     private File _tmpFile = null;
  79     private JSch jsch = null;
  80     private Session session = null;
  81     private Channel channel = null;
  82     private String tId = "";
  83     private String aggregatedReceivedString = "";
  84     private File extraDebugFile = new File("/tmp/sshJcraftWrapperDEBUG");
  85     private String routerCmdType = "XML";
  86     private String routerFileName = null;
  87     private File jcraftReadSwConfigFileFromDisk = new File("/tmp/jcraftReadSwConfigFileFromDisk");
  88     private String equipNameCode = null;
  89     private String hostName = null;
  90     private String userName = null;
  91     private String passWord = null;
  92     private StringBuffer charactersFromBufferFlush = new StringBuffer();
  93     private Runtime runtime = Runtime.getRuntime();
  94     private DebugLog dbLog = new DebugLog();
  95
  96     public void SshJcraftWrapper() {
  97         String fn = "SshJcraftWrapper.SshJcraftWrapper";
  98         debugLog.printRTAriDebug(fn, "SshJcraftWrapper has been instantated");
  99         routerLogFileName = "/tmp/" + host;
 100         this.host = host;
 101     }
 102
 103     public void connect(String hostname, String username, String password, String prompt, int timeOut)
 104         throws IOException {
 105         String fn = "SshJcraftWrapper.connect";
 106         jsch = new JSch();
 107         debugLog.printRTAriDebug(fn,
 108             "Attempting to connect to " + hostname + " username=" + username + " prompt='"
 109                 + prompt + "' timeOut=" + timeOut);
 110         debugLog.printRTAriDebug(fn, "Trace A");
 111         RouterName = hostname;
 112         hostName = hostname;
 113         userName = username;
 114         passWord = password;
 115         try {
 116             session = jsch.getSession(username, hostname, 22);
 117             UserInfo ui = new MyUserInfo();
 118             session.setPassword(password);
 119             session.setUserInfo(ui);
 120             session.connect(timeOut);
 121             channel = session.openChannel("shell");
 122             session.setServerAliveCountMax(
 123                 0); // If this is not set to '0', then socket timeout on all reads will not work!!!!
 124             ((ChannelShell) channel).setPtyType("vt102");
 125             inputStream = channel.getInputStream();
 126             dis = new DataInputStream(inputStream);
 127             reader = new BufferedReader(new InputStreamReader(dis), BUFFER_SIZE);
 128             channel.connect();
 129             debugLog.printRTAriDebug(fn, "Successfully connected.");
 130             debugLog.printRTAriDebug(fn, "Flushing input buffer");
 131             try {
 132                 receiveUntil(prompt, 3000, "No cmd was sent, just waiting");
 133             } catch (Exception e) {
 134                 debugLog.printRTAriDebug(fn, "Caught an Exception: Nothing to flush out.");
 135             }
 136         } catch (Exception e) {
 137             debugLog.printRTAriDebug(fn, "Caught an Exception. e=" + e);
 138             // dbLog.storeData("ErrorMsg= Exception trying to connect to "+hostname +" "+e);
 139             throw new IOException(e.toString());
 140         }
 141     }
 142
 143     // User specifies the port number.
 144     public void connect(String hostname, String username, String password, String prompt, int timeOut, int portNum)
 145         throws IOException {
 146         String fn = "SshJcraftWrapper.connect";
 147         debugLog.printRTAriDebug(fn,
 148             ":Attempting to connect to " + hostname + " username=" + username + " prompt='"
 149                 + prompt + "' timeOut=" + timeOut + " portNum=" + portNum);
 150         RouterName = hostname;
 151         hostName = hostname;
 152         userName = username;
 153         passWord = password;
 154         RouterName = hostname;
 155         jsch = new JSch();
 156         try {
 157             session = jsch.getSession(username, hostname, portNum);
 158             UserInfo ui = new MyUserInfo();
 159             session.setPassword(password);
 160             session.setUserInfo(ui);
 161             session.setConfig("StrictHostKeyChecking", "no");
 162             debugLog.printRTAriDebug(fn, ":StrictHostKeyChecking set to 'no'");
 163
 164             session.connect(timeOut);
 165             session.setServerAliveCountMax(
 166                 0); // If this is not set to '0', then socket timeout on all reads will not work!!!!
 167             channel = session.openChannel("shell");
 168             ((ChannelShell) channel).setPtyType("vt102");
 169             inputStream = channel.getInputStream();
 170             dis = new DataInputStream(inputStream);
 171             reader = new BufferedReader(new InputStreamReader(dis), BUFFER_SIZE);
 172             channel.connect();
 173             debugLog.printRTAriDebug(fn, ":Successfully connected.");
 174             debugLog.printRTAriDebug(fn, ":Flushing input buffer");
 175             try {
 176                 if (prompt.equals("]]>]]>")) {
 177                     receiveUntil("]]>]]>", 10000, "No cmd was sent, just waiting");
 178                 } else {
 179                     receiveUntil(":~#", 5000, "No cmd was sent, just waiting");
 180                 }
 181             } catch (Exception e) {
 182                 debugLog.printRTAriDebug(fn, "Caught an Exception::: Nothing to flush out.");
 183             }
 184         } catch (Exception e) {
 185             debugLog.printRTAriDebug(fn, ":Caught an Exception. e=" + e);
 186             dbLog.outputStackTrace(e);
 187
 188             // dbLog.storeData("ErrorMsg= Exception trying to connect to "+hostname +" "+e);
 189             throw new IOException(e.toString());
 190         }
 191     }
 192
 193
 194     public String receiveUntil(String delimeters, int timeout, String cmdThatWasSent)
 195         throws TimedOutException, IOException {
 196         String fn = "SshJcraftWrapper.receiveUntil";
 197         boolean match = false;
 198         boolean cliPromptCmd = false;
 199         StringBuffer sb2 = new StringBuffer();
 200         StringBuffer sbReceive = new StringBuffer();
 201         debugLog.printRTAriDebug(fn,
 202             "delimeters='" + delimeters + "' timeout=" + timeout + " cmdThatWasSent='" + cmdThatWasSent + "'");
 203         appendToFile(debugLogFileName,
 204             fn + " delimeters='" + delimeters + "' timeout=" + timeout + " cmdThatWasSent='" + cmdThatWasSent + "'\n");
 205         String CmdThatWasSent = removeWhiteSpaceAndNewLineCharactersAroundString(cmdThatWasSent);
 206         int readCounts = 0;
 207         aggregatedReceivedString = "";
 208         FileWriter fileWriter = null;
 209
 210         long deadline = new Date().getTime() + timeout;
 211         try {
 212             session.setTimeout(timeout);  // This is the socket timeout value.
 213             while (!match) {
 214                 if (new Date().getTime() > deadline) {
 215                     debugLog.printRTAriDebug(fn,
 216                         "Throwing a TimedOutException: time in routine has exceed our deadline: RouterName:"
 217                             + RouterName + " CmdThatWasSent=" + CmdThatWasSent);
 218                     throw new TimedOutException("Timeout: time in routine has exceed our deadline");
 219                 }
 220                 try {
 221                     Thread.sleep(500);
 222                 } catch (java.lang.InterruptedException ee) {
 223                     boolean ignore = true;
 224                 }
 225                 int len = reader.read(charBuffer, 0, BUFFER_SIZE);
 226                 appendToFile(debugLogFileName, fn + " After reader.read cmd: len=" + len + "\n");
 227                 if (len <= 0) {
 228                     debugLog.printRTAriDebug(fn,
 229                         "Reader read " + len + " bytes. Looks like we timed out, router=" + RouterName);
 230                     throw new TimedOutException("Received a SocketTimeoutException router=" + RouterName);
 231                 }
 232                 if (!cliPromptCmd) {
 233                     if (cmdThatWasSent.indexOf("IOS_XR_uploadedSwConfigCmd") != -1) {
 234                         if (out == null) {
 235                             // This is a IOS XR sw config file. We will write it to the disk.
 236                             timeout = timeout * 2;
 237                             deadline = new Date().getTime() + timeout;
 238                             debugLog.printRTAriDebug(fn, "IOS XR upload for software config: timeout=" + timeout);
 239                             StringTokenizer st = new StringTokenizer(cmdThatWasSent);
 240                             st.nextToken();
 241                             routerFileName = st.nextToken();
 242                             fileWriter = new FileWriter(routerFileName);
 243                             out = new BufferedWriter(fileWriter);
 244                             routerLogFileName = "/tmp/" + RouterName;
 245                             _tmpFile = new File(routerLogFileName);
 246                             debugLog.printRTAriDebug(fn,
 247                                 "Will write the swConfigFile to disk, routerFileName=" + routerFileName);
 248                         }
 249                         int c;
 250                         out.write(charBuffer, 0, len);
 251                         out.flush();
 252                         appendToFile(debugLogFileName, fn + " Wrote " + len + " bytes to the disk\n");
 253                         if (_tmpFile.exists()) {
 254                             appendToRouterFile(routerLogFileName, len);
 255                         }
 256                         match = checkIfReceivedStringMatchesDelimeter(len, "\nXML>");
 257                         if (match == true) {
 258                             out.flush();
 259                             out.close();
 260                             out = null;
 261                             return null;
 262                         }
 263                     } else {
 264                         readCounts++;
 265                         appendToFile(debugLogFileName,
 266                             fn + " readCounts=" + readCounts + "  Reader read " + len + " of data\n");
 267                         int c;
 268                         sb2.setLength(0);
 269                         for (int i = 0; i < len; i++) {
 270                             c = charBuffer[i];
 271                             if ((c != 7) && (c != 13) && (c != 0) && (c != 27)) {
 272                                 sbReceive.append((char) charBuffer[i]);
 273                                 sb2.append((char) charBuffer[i]);
 274                             }
 275                         }
 276                         appendToRouterFile("/tmp/" + RouterName, len);
 277                         if (listener != null) {
 278                             listener.receivedString(sb2.toString());
 279                         }
 280
 281                         appendToFile(debugLogFileName, fn + " Trace 1\n");
 282                         match = checkIfReceivedStringMatchesDelimeter(delimeters, sb2.toString(), cmdThatWasSent);
 283                         appendToFile(debugLogFileName, fn + " Trace 2\n");
 284                         if (match == true) {
 285                             appendToFile(debugLogFileName, fn + " Match was true, breaking...\n");
 286                             break;
 287                         }
 288                     }
 289                 } else {
 290                     debugLog.printRTAriDebug(fn, "cliPromptCmd, Trace 2");
 291                     sb2.setLength(0);
 292                     for (int i = 0; i < len; i++) {
 293                         sbReceive.append((char) charBuffer[i]);
 294                         sb2.append((char) charBuffer[i]);
 295                     }
 296                     appendToRouterFile("/tmp/" + RouterName, sb2);
 297                     if (listener != null) {
 298                         listener.receivedString(sb2.toString());
 299                     }
 300                     debugLog.printRTAriDebug(fn, "sb2='" + sb2.toString() + "'  delimeters='" + delimeters + "'");
 301                     if (sb2.toString().indexOf("\nariPrompt>") != -1) {
 302                         debugLog.printRTAriDebug(fn, "Found our prompt");
 303                         match = true;
 304                         break;
 305                     }
 306                 }
 307             }
 308         } catch (JSchException e) {
 309             debugLog.printRTAriDebug(fn, "Caught an JSchException e=" + e.toString());
 310             dbLog.outputStackTrace(e);
 311             throw new TimedOutException(e.toString());
 312         } catch (IOException ee) {
 313             debugLog.printRTAriDebug(fn, "Caught an IOException: ee=" + ee.toString());
 314             dbLog.outputStackTrace(ee);
 315             throw new TimedOutException(ee.toString());
 316         } finally {
 317             try {
 318                 if (fileWriter != null) {
 319                     fileWriter.close();
 320                 }
 321             } catch(IOException ex) {
 322                 debugLog.printRTAriDebug(fn, "Failed to close fileWriter output stream: ex=" + ex);
 323             }
 324         }
 325         String result = stripOffCmdFromRouterResponse(sbReceive.toString());
 326         debugLog.printRTAriDebug(fn, "Leaving method successfully");
 327         return result;
 328     }
 329
 330     public boolean checkIfReceivedStringMatchesDelimeter(String delimeters, String receivedString,
 331         String cmdThatWasSent) {
 332         // The delimeters are in a '|' seperated string. Return true on the first match.
 333         String fn = "SshJcraftWrapper.checkIfReceivedStringMatchesDelimeter";
 334         appendToFile(debugLogFileName,
 335             fn + " Entered:  delimeters='" + delimeters + " cmdThatWasSent='" + cmdThatWasSent + "' receivedString='"
 336                 + receivedString + "'\n");
 337         StringTokenizer st = new StringTokenizer(delimeters, "|");
 338
 339         if ((delimeters.indexOf("#$") != -1) || (routerCmdType.equals("CLI")))  // This would be an IOS XR, CLI command.
 340         {
 341             int x = receivedString.lastIndexOf("#");
 342             int y = receivedString.length() - 1;
 343             appendToFile(debugLogFileName, fn + " IOS XR, CLI command\n");
 344             if (extraDebugFile.exists()) {
 345                 appendToFile(debugLogFileName,
 346                     fn + " :::cmdThatWasSent='" + cmdThatWasSent + "'  x=" + x + " y=" + y + "\n");
 347             }
 348             return (x != -1) && (y == x);
 349         }
 350         if (cmdThatWasSent.indexOf("show config") != -1) {
 351             appendToFile(debugLogFileName, fn + "In the block for 'show config'\n");
 352             while (st.hasMoreTokens()) {
 353                 String delimeter = st.nextToken();
 354                 // Make sure we don't get faked out by a response of " #".
 355                 // Proc #0
 356                 //   # signaling-local-address ipv6 FD00:F4D5:EA06:1::110:136:254
 357                 // LAAR2#
 358                 int x = receivedString.lastIndexOf(delimeter);
 359                 if ((receivedString.lastIndexOf(delimeter) != -1) && (receivedString.lastIndexOf(" #") != x - 1)) {
 360                     appendToFile(debugLogFileName, fn + "receivedString=\n'" + receivedString + "'\n");
 361                     appendToFile(debugLogFileName,
 362                         fn + "Returning true for the 'show config' command. We found our real delmeter. \n\n");
 363                     return (true);
 364                 }
 365             }
 366         } else {
 367             aggregatedReceivedString = aggregatedReceivedString + receivedString;
 368             _appendToFile("/tmp/aggregatedReceivedString.debug", aggregatedReceivedString);
 369
 370             while (st.hasMoreTokens()) {
 371                 String delimeter = st.nextToken();
 372                 appendToFile(debugLogFileName, fn + " Looking for an delimeter of:'" + delimeter + "'\n");
 373                 appendToFile(debugLogFileName, fn + " receivedString='" + receivedString);
 374                 if (aggregatedReceivedString.indexOf(delimeter) != -1) {
 375                     debugLog.printRTAriDebug(fn, "Found our delimeter, which was: '" + delimeter + "'");
 376                     aggregatedReceivedString = "";
 377                     return (true);
 378                 }
 379             }
 380         }
 381         return (false);
 382     }
 383
 384     public boolean checkIfReceivedStringMatchesDelimeter(int len, String delimeter) {
 385         String fnName = "SshJcraftWrapper.checkIfReceivedStringMatchesDelimeter:::";
 386         int x;
 387         int c;
 388         String str = StringUtils.EMPTY;
 389
 390         if (jcraftReadSwConfigFileFromDisk()) {
 391             DebugLog.printAriDebug(fnName, "jcraftReadSwConfigFileFromDisk block");
 392             File fileName = new File(routerFileName);
 393             appendToFile(debugLogFileName,
 394                 fnName + " jcraftReadSwConfigFileFromDisk::: Will read the tail end of the file from the disk");
 395             try {
 396                 str = getLastFewLinesOfFile(fileName, 3);
 397             } catch (IOException e) {
 398                 DebugLog.printAriDebug(fnName, "Caught an Exception, e=" + e);
 399                 dbLog.outputStackTrace(e);
 400                 e.printStackTrace();
 401             }
 402         } else {
 403             // DebugLog.printAriDebug(fnName, "TRACE 1: ******************************");
 404             // When looking at the end of the charBuffer, don't include any linefeeds or spaces. We only want to make the smallest string possible.
 405             for (x = len - 1; x >= 0; x--) {
 406                 c = charBuffer[x];
 407                 if (extraDebugFile.exists()) {
 408                     appendToFile(debugLogFileName, fnName + " x=" + x + " c=" + c + "\n");
 409                 }
 410                 if ((c != 10) && (c != 32)) // Not a line feed nor a space.
 411                 {
 412                     break;
 413                 }
 414             }
 415             if ((x + 1 - 13) >= 0) {
 416                 str = new String(charBuffer, (x + 1 - 13), 13);
 417                 appendToFile(debugLogFileName, fnName + " str:'" + str + "'\n");
 418             } else {
 419                 File fileName = new File(routerFileName);
 420                 appendToFile(debugLogFileName,
 421                     fnName + " Will read the tail end of the file from the disk, x=" + x + " len=" + len + " str::'"
 422                         + str + "' routerFileName='" + routerFileName + "'\n");
 423                 DebugLog.printAriDebug(fnName,
 424                     "Will read the tail end of the file from the disk, x=" + x + " len=" + len + " str::'" + str
 425                         + "' routerFileName='" + routerFileName + "'");
 426                 try {
 427                     str = getLastFewLinesOfFile(fileName, 3);
 428                 } catch (IOException e) {
 429                     DebugLog.printAriDebug(fnName, "Caught an Exception, e=" + e);
 430                     dbLog.outputStackTrace(e);
 431                     e.printStackTrace();
 432                 }
 433             }
 434         }
 435
 436         if (str.indexOf(delimeter) != -1) {
 437             DebugLog.printAriDebug(fnName, "str in break is:'" + str + "'" + " delimeter='" + delimeter + "'");
 438             appendToFile(debugLogFileName,
 439                 fnName + " str in break is:'" + str + " delimeter='" + delimeter + "'" + "'\n");
 440             return (true);
 441         } else {
 442             appendToFile(debugLogFileName, fnName + " Returning false");
 443             return (false);
 444         }
 445
 446     }
 447
 448     public void closeConnection() {
 449         String fn = "SshJcraftWrapper.closeConnection";
 450         debugLog.printRTAriDebug(fn, "Executing the closeConnection....");
 451         inputStream = null;
 452         outputStream = null;
 453         dis = null;
 454         charBuffer = null;
 455         session.disconnect();
 456         session = null;
 457     }
 458
 459     public void send(String cmd) throws IOException {
 460         String fn = "SshJcraftWrapper.send";
 461         OutputStream out = channel.getOutputStream();
 462         DataOutputStream dos = new DataOutputStream(out);
 463
 464         if ((cmd.charAt(cmd.length() - 1) != '\n') && (cmd.charAt(cmd.length() - 1) != '\r')) {
 465             cmd += "\n";
 466         }
 467         int length = cmd.length();
 468         int i = -1;
 469         int nchars = 300000;
 470         int ncharsTotalSent = 0;
 471         int ncharsSent = 0;
 472
 473         appendToFile(debugLogFileName, fn + ": Sending: '" + cmd);
 474         // debugLog.printRTAriDebug (fn, "cmd = "+cmd);
 475         debugLog.printRTAriDebug(fn, "Length of cmd is:" + length); // 2,937,706
 476         try {
 477             if (length > 600000) {
 478                 int timeout = 9000;
 479                 for (i = 0; i < length; i += nchars) {
 480                     String Cmd = cmd.substring(i, Math.min(length, i + nchars));
 481                     ncharsSent = Cmd.length();
 482                     ncharsTotalSent = ncharsTotalSent + Cmd.length();
 483                     debugLog.printRTAriDebug(fn, "i=" + i + " Sending Cmd: ncharsSent=" + ncharsSent);
 484                     dos.writeBytes(Cmd);
 485                     dos.flush();
 486                     try {
 487                         debugLog.printRTAriDebug(fn, ":::i=" + i + " length=" + length);
 488                         if (ncharsSent < length) {
 489                             receiveUntilBufferFlush(ncharsSent, timeout, "buffer flush  i=" + i);
 490                         } else {
 491                             debugLog.printRTAriDebug(fn, "i=" + i + " No Waiting this time....");
 492                             dos.flush();
 493                         }
 494                     } catch (Exception e) {
 495                         debugLog.printRTAriDebug(fn, "Caught an Exception: Nothing to flush out.");
 496                     }
 497                 }
 498             } else {
 499                 debugLog.printRTAriDebug(fn, "Before executing the dos.writeBytes");
 500                 dos.writeBytes(cmd);
 501             }
 502             dos.flush();
 503             debugLog.printRTAriDebug(fn, "Leaving method");
 504             appendToFile(debugLogFileName, fn + ": Leaving method\n");
 505         } catch (IOException e) {
 506             debugLog.printRTAriDebug(fn, "Caught an IOException. e=" + e);
 507             dbLog.outputStackTrace(e);
 508             throw new IOException(e.toString());
 509         }
 510     }
 511
 512
 513     public void sendChar(int v) throws IOException {
 514         String fn = "SshJcraftWrapper.sendChar";
 515         OutputStream out = channel.getOutputStream();
 516         DataOutputStream dos = new DataOutputStream(out);
 517         try {
 518             debugLog.printRTAriDebug(fn, "Sending: '" + v + "'");
 519             dos.writeChar(v);
 520             dos.flush();
 521         } catch (IOException e) {
 522             debugLog.printRTAriDebug(fn, "Caught an IOException. e=" + e);
 523             throw new IOException(e.toString());
 524         }
 525     }
 526
 527     public void send(byte[] b, int off, int len) throws IOException {
 528         String fn = "SshJcraftWrapper.send:byte[]";
 529         OutputStream out = channel.getOutputStream();
 530         DataOutputStream dos = new DataOutputStream(out);
 531         try {
 532             dos.write(b, off, len);
 533             dos.flush();
 534         } catch (IOException e) {
 535             debugLog.printRTAriDebug(fn, "Caught an IOException. e=" + e);
 536             throw new IOException(e.toString());
 537         }
 538     }
 539
 540     public static class MyUserInfo implements UserInfo, UIKeyboardInteractive {
 541
 542         public String getPassword() {
 543             return null;
 544         }
 545
 546         public boolean promptYesNo(String str) {
 547             return false;
 548         }
 549
 550         public String getPassphrase() {
 551             return null;
 552         }
 553
 554         public boolean promptPassphrase(String message) {
 555             return false;
 556         }
 557
 558         public boolean promptPassword(String message) {
 559             return false;
 560         }
 561
 562         public void showMessage(String message) {
 563         }
 564
 565         public String[] promptKeyboardInteractive(String destination,
 566             String name,
 567             String instruction,
 568             String[] prompt,
 569             boolean[] echo) {
 570             return null;
 571         }
 572     }
 573
 574     public void addListener(TelnetListener listener) {
 575         this.listener = listener;
 576     }
 577
 578     public void appendToFile(String fileName, String dataToWrite) {
 579         String fn = "SshJcraftWrapper.appendToFile";
 580
 581         try {
 582             // First check to see if a file 'fileName' exist, if it does
 583             // write to it. If it does not exist, don't write to it.
 584             File tmpFile = new File(fileName);
 585             if (tmpFile.exists()) {
 586                 BufferedWriter out = new BufferedWriter(new FileWriter(fileName, true));
 587                 // out.write(dataToWrite);
 588                 // out.write(getTheDate() +": " +Thread.currentThread().getName() +": "+dataToWrite);
 589                 out.write(getTheDate() + ": " + tId + ": " + dataToWrite);
 590                 out.close();
 591             }
 592         } catch (IOException e) {
 593             debugLog.printRTAriDebug(fn, "Caught an IOException: e=" + e);
 594         } catch (Exception e) {
 595             debugLog.printRTAriDebug(fn, "Caught an Exception: e=" + e);
 596         }
 597     }
 598
 599     public void _appendToFile(String fileName, String dataToWrite) {
 600         String fn = "SshJcraftWrapper.appendToFile";
 601
 602         try {
 603             // First check to see if a file 'fileName' exist, if it does
 604             // write to it. If it does not exist, don't write to it.
 605             File tmpFile = new File(fileName);
 606             if (tmpFile.exists()) {
 607                 BufferedWriter out = new BufferedWriter(new FileWriter(fileName, true));
 608                 out.write(dataToWrite);
 609                 out.close();
 610             }
 611         } catch (IOException e) {
 612             debugLog.printRTAriDebug(fn, "Caught an IOException: e=" + e);
 613         } catch (Exception e) {
 614             debugLog.printRTAriDebug(fn, "Caught an Exception: e=" + e);
 615         }
 616     }
 617
 618
 619     public String getTheDate() {
 620         Calendar cal = Calendar.getInstance();
 621         java.util.Date today = cal.getTime();
 622         DateFormat df1 = DateFormat.getDateInstance();
 623         DateFormat df3 = new SimpleDateFormat("MM/dd/yyyy H:mm:ss  ");
 624         return (df3.format(today));
 625     }
 626
 627
 628     public void appendToRouterFile(String fileName, StringBuffer dataToWrite) {
 629         String fnName = "SshJcraftWrapper.appendToRouterFile";
 630         debugLog.printRTAriDebug(fnName, "Entered.... ");
 631         try {
 632             // First check to see if a file 'fileName' exist, if it does
 633             // write to it. If it does not exist, don't write to it.
 634             File tmpFile = new File(fileName);
 635             {
 636                 // if ((tmpFile.exists()) && (tmpFile.setWritable(true, true)))
 637                 if (tmpFile.exists()) {
 638                     BufferedWriter out = new BufferedWriter(new FileWriter(fileName, true));
 639                     // out.write("<!--  "+getTheDate() +": " +tId +"  -->\n");
 640                     out.write(dataToWrite.toString());
 641                     out.close();
 642                 }
 643             }
 644         } catch (IOException e) {
 645             System.err.println("writeToFile() exception: " + e);
 646             e.printStackTrace();
 647         }
 648     }
 649
 650     public void appendToRouterFile(String fileName, int len) {
 651         String fnName = "SshJcraftWrapper.appendToFile";
 652         // debugLog.printRTAriDebug (fnName, "Entered.... len="+len);
 653         try {
 654             // First check to see if a file 'fileName' exist, if it does
 655             // write to it. If it does not exist, don't write to it.
 656             File tmpFile = new File(fileName);
 657             // if ((tmpFile.exists()) && (tmpFile.setWritable(true, true)))
 658             if (tmpFile.exists()) {
 659                 BufferedWriter out = new BufferedWriter(new FileWriter(fileName, true));
 660                 // out.write("<!--  "+getTheDate() +": " +tId +"  -->\n");
 661                 out.write(charBuffer, 0, len);
 662                 out.close();
 663             }
 664         } catch (IOException e) {
 665             System.err.println("writeToFile() exception: " + e);
 666             e.printStackTrace();
 667         }
 668     }
 669
 670     public String removeWhiteSpaceAndNewLineCharactersAroundString(String str) {
 671         if (str != null) {
 672             StringTokenizer strTok = new StringTokenizer(str, "\n");
 673             StringBuffer sb = new StringBuffer();
 674
 675             while (strTok.hasMoreTokens()) {
 676                 String line = strTok.nextToken();
 677                 sb.append(line);
 678             }
 679             return (sb.toString().trim());
 680         } else {
 681             return (str);
 682         }
 683     }
 684
 685     public String stripOffCmdFromRouterResponse(String routerResponse) {
 686         String fn = "SshJcraftWrapper.stripOffCmdFromRouterResponse";
 687         // appendToFile(debugLogFileName, fn+": routerResponse='"+routerResponse +"'\n");
 688
 689         // The session of SSH will echo the command sent to the router, in the router's response.
 690         // Since all our commands are terminated by a '\n', strip off the first line
 691         // of the response from the router. This first line contains the orginal command.
 692
 693         StringTokenizer rr = new StringTokenizer(routerResponse, "\n");
 694         StringBuffer sb = new StringBuffer();
 695
 696         int numTokens = rr.countTokens();
 697         // debugLog.printRTAriDebug (fn, "Number of lines in the response from the router is:" +numTokens);
 698         if (numTokens > 1) {
 699             rr.nextToken(); //Skip the first line.
 700             while (rr.hasMoreTokens()) {
 701                 sb.append(rr.nextToken() + '\n');
 702             }
 703         }
 704         return (sb.toString());
 705     }
 706
 707     public void setRouterCommandType(String type) {
 708         String fn = "SshJcraftWrapper.setRouterCommandType";
 709         this.routerCmdType = type;
 710         debugLog.printRTAriDebug(fn, "Setting routerCmdType to a value of '" + type + "'");
 711     }
 712
 713     public String getLastFewLinesOfFile(File file, int linesToRead) throws  IOException {
 714         String fn = "SshJcraftWrapper.getLastFewLinesOfFile";
 715         RandomAccessFile randomAccessFile = new RandomAccessFile(file, "r");
 716         int lines = 0;
 717         StringBuilder builder = new StringBuilder();
 718         String tail = "";
 719         long length = file.length();
 720         length--;
 721         randomAccessFile.seek(length);
 722         for (long seek = length; seek >= 0; --seek) {
 723             randomAccessFile.seek(seek);
 724             char c = (char) randomAccessFile.read();
 725             builder.append(c);
 726             if (c == '\n') {
 727                 builder = builder.reverse();
 728                 // System.out.println(builder.toString());
 729                 tail = builder.toString() + tail;
 730                 lines++;
 731                 builder.setLength(0);
 732                 if (lines == linesToRead) {
 733                     break;
 734                 }
 735             }
 736         }
 737         randomAccessFile.close();
 738         if (!jcraftReadSwConfigFileFromDisk()) {
 739             debugLog.printRTAriDebug(fn, "tail='" + tail + "'");
 740         }
 741         appendToFile(debugLogFileName, "tail='" + tail + "'\n");
 742         return tail;
 743     }
 744
 745     public boolean jcraftReadSwConfigFileFromDisk() {
 746         if (jcraftReadSwConfigFileFromDisk.exists()) {
 747             return (true);
 748         } else {
 749             return (false);
 750         }
 751     }
 752
 753     public String getEquipNameCode() {
 754         return (equipNameCode);
 755
 756     }
 757
 758     public void setEquipNameCode(String equipNameCode) {
 759         this.equipNameCode = equipNameCode;
 760     }
 761
 762     public String getRouterName() {
 763         return (RouterName);
 764     }
 765
 766     // Routine does reads until it has read 'nchars' or times out.
 767     public void receiveUntilBufferFlush(int ncharsSent, int timeout, String message)
 768         throws TimedOutException, IOException {
 769         String fn = "SshJcraftWrapper.receiveUntilBufferFlush";
 770         StringBuffer sb2 = new StringBuffer();
 771         StringBuffer sbReceive = new StringBuffer();
 772         debugLog.printRTAriDebug(fn, "ncharsSent=" + ncharsSent + " timeout=" + timeout + " " + message);
 773         int ncharsTotalReceived = 0;
 774         int ncharsRead = 0;
 775         boolean flag = false;
 776         charactersFromBufferFlush.setLength(0);
 777
 778         long deadline = new Date().getTime() + timeout;
 779         logMemoryUsage();
 780         try {
 781             session.setTimeout(timeout);  // This is the socket timeout value.
 782             while (true) {
 783                 if (new Date().getTime() > deadline) {
 784                     debugLog.printRTAriDebug(fn,
 785                         "Throwing a TimedOutException: time in routine has exceed our deadline: ncharsSent="
 786                             + ncharsSent + " ncharsTotalReceived=" + ncharsTotalReceived);
 787                     flag = true;
 788                     throw new TimedOutException("Timeout: time in routine has exceed our deadline");
 789                 }
 790                 ncharsRead = reader.read(charBuffer, 0, BUFFER_SIZE);
 791                 if (listener != null) {
 792                     listener.receivedString(String.copyValueOf(charBuffer, 0, ncharsRead));
 793                 }
 794                 appendToRouterFile("/tmp/" + RouterName, ncharsRead);
 795                 ncharsTotalReceived = ncharsTotalReceived + ncharsRead;
 796                 // debugLog.printRTAriDebug (fn, "::ncharsSent="+ncharsSent+" ncharsTotalReceived="+ncharsTotalReceived +" ncharsRead="+ncharsRead);
 797                 if (ncharsTotalReceived >= ncharsSent) {
 798                     debugLog.printRTAriDebug(fn,
 799                         "Received the correct number of characters, ncharsSent=" + ncharsSent + " ncharsTotalReceived="
 800                             + ncharsTotalReceived);
 801                     logMemoryUsage();
 802                     return;
 803                 }
 804             }
 805         } catch (JSchException e) {
 806             debugLog.printRTAriDebug(fn, "Caught an JSchException e=" + e);
 807             debugLog.printRTAriDebug(fn,
 808                 "ncharsSent=" + ncharsSent + " ncharsTotalReceived=" + ncharsTotalReceived + " ncharsRead="
 809                     + ncharsRead);
 810             throw new TimedOutException(e.toString());
 811         }
 812     }
 813
 814     public String getHostName() {
 815         return (hostName);
 816     }
 817
 818     public String getUserName() {
 819         return (userName);
 820     }
 821
 822     public String getPassWord() {
 823         return (passWord);
 824     }
 825
 826     public void sftpPut(String sourcePath, String destDirectory) throws IOException {
 827         String fn = "SshJcraftWrapper.sftp";
 828         try {
 829             Session sftpSession = jsch.getSession(userName, hostName, 22);
 830             UserInfo ui = new MyUserInfo();
 831             sftpSession.setPassword(passWord);
 832             sftpSession.setUserInfo(ui);
 833             sftpSession.connect(30 * 1000);
 834             debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
 835             ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
 836             debugLog.printRTAriDebug(fn, "Connecting....");
 837             sftp.connect();
 838             debugLog.printRTAriDebug(fn, "Sending " + sourcePath + " --> " + destDirectory);
 839             sftp.put(sourcePath, destDirectory, ChannelSftp.OVERWRITE);
 840             debugLog.printRTAriDebug(fn, "Sent successfully");
 841             sftpSession.disconnect();
 842         } catch (Exception e) {
 843             debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
 844             // dbLog.storeData("ErrorMsg= sftp threw an Exception. error is:"+e);
 845             throw new IOException(e.toString());
 846         }
 847     }
 848
 849
 850     public void SftpPut(String stringOfData, String fullPathDest) throws IOException {
 851         String fn = "SshJcraftWrapper.Sftp";
 852         try {
 853             Session sftpSession = jsch.getSession(userName, hostName, 22);
 854             UserInfo ui = new MyUserInfo();
 855             sftpSession.setPassword(passWord);
 856             sftpSession.setUserInfo(ui);
 857             sftpSession.connect(30 * 1000);
 858             debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
 859             ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
 860             debugLog.printRTAriDebug(fn, "Connecting....");
 861             sftp.connect();
 862             InputStream is = new ByteArrayInputStream(stringOfData.getBytes());
 863             debugLog.printRTAriDebug(fn, "Sending stringOfData --> " + fullPathDest);
 864             sftp.put(is, fullPathDest, ChannelSftp.OVERWRITE);
 865             debugLog.printRTAriDebug(fn, "Sent successfully");
 866             sftpSession.disconnect();
 867         } catch (Exception e) {
 868             debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
 869             // dbLog.storeData("ErrorMsg= sftp threw an Exception. error is:"+e);
 870             throw new IOException(e.toString());
 871         }
 872     }
 873
 874     public String sftpGet(String fullFilePathName) throws IOException {
 875         String fn = "SshJcraftWrapper.Sftp";
 876         try {
 877             Session sftpSession = jsch.getSession(userName, hostName, 22);
 878             UserInfo ui = new MyUserInfo();
 879             sftpSession.setPassword(passWord);
 880             sftpSession.setUserInfo(ui);
 881             sftpSession.connect(30 * 1000);
 882             debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
 883             ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
 884             debugLog.printRTAriDebug(fn, "Connecting....");
 885             sftp.connect();
 886             InputStream in = null;
 887             in = sftp.get(fullFilePathName);
 888             String sftpFileString = readInputStreamAsString(in);
 889             debugLog.printRTAriDebug(fn, "Retreived successfully");
 890             // debugLog.printRTAriDebug (fn, "sftpFileString="+sftpFileString);
 891             sftpSession.disconnect();
 892             return (sftpFileString);
 893         } catch (Exception e) {
 894             debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
 895             // dbLog.storeData("ErrorMsg= sftp threw an Exception. error is:"+e);
 896             throw new IOException(e.toString());
 897         }
 898     }
 899
 900     public static String readInputStreamAsString(InputStream in) throws IOException {
 901         BufferedInputStream bis = new BufferedInputStream(in);
 902         ByteArrayOutputStream buf = new ByteArrayOutputStream();
 903         int result = bis.read();
 904         while (result != -1) {
 905             byte b = (byte) result;
 906             buf.write(b);
 907             result = bis.read();
 908         }
 909         return buf.toString();
 910     }
 911
 912
 913     public void logMemoryUsage() {
 914         String fn = "SshJcraftWrapper.logMemoryUsage";
 915         int mb = 1024 * 1024;
 916         long usedMemory;
 917         long maxMemoryAdvailable;
 918         long memoryLetfOnHeap;
 919         maxMemoryAdvailable = (runtime.maxMemory() / mb);
 920         usedMemory = ((runtime.totalMemory() / mb) - (runtime.freeMemory() / mb));
 921         memoryLetfOnHeap = maxMemoryAdvailable - usedMemory;
 922         DebugLog.printAriDebug(fn,
 923             "maxMemoryAdvailable=" + maxMemoryAdvailable + " usedMemory=" + usedMemory + " memoryLetfOnHeap="
 924                 + memoryLetfOnHeap);
 925     }
 926
 927     // ----------------------------------------------------------------------------
 928     // ----------------------------------------------------------------------------
 929     // ----------------------------------------------------------------------------
 930     // ----------------------------------------------------------------------------
 931
 932
 933     // User specifies the port number, and the subsystem
 934     public void connect(String hostname, String username, String password, String prompt, int timeOut, int portNum,
 935         String subsystem) throws IOException {
 936         String fn = "SshJcraftWrapper.connect";
 937
 938         debugLog.printRTAriDebug(fn,
 939             ":::Attempting to connect to " + hostname + " username=" + username + " prompt='"
 940                 + prompt + "' timeOut=" + timeOut + " portNum=" + portNum + " subsystem=" + subsystem);
 941         RouterName = hostname;
 942         jsch = new JSch();
 943         try {
 944             session = jsch.getSession(username, hostname, portNum);
 945             UserInfo ui = new MyUserInfo();
 946             session.setPassword(password);
 947             session.setUserInfo(ui);
 948             session.setConfig("StrictHostKeyChecking", "no");
 949             session.connect(timeOut);
 950             session.setServerAliveCountMax(
 951                 0); // If this is not set to '0', then socket timeout on all reads will not work!!!!
 952             channel = session.openChannel("subsystem");
 953             ((ChannelSubsystem) channel).setSubsystem(subsystem);
 954             // ((ChannelSubsystem)channel).setPtyType("vt102");
 955             ((ChannelSubsystem) channel).setPty(true);
 956
 957             inputStream = channel.getInputStream();
 958             dis = new DataInputStream(inputStream);
 959             reader = new BufferedReader(new InputStreamReader(dis), BUFFER_SIZE);
 960             channel.connect();
 961             debugLog.printRTAriDebug(fn, "Successfully connected.");
 962             debugLog.printRTAriDebug(fn, "Five second sleep....");
 963             try {
 964                 Thread.sleep(5000);
 965             } catch (java.lang.InterruptedException ee) {
 966                 boolean ignore = true;
 967             }
 968         } catch (Exception e) {
 969             debugLog.printRTAriDebug(fn, "Caught an Exception. e=" + e);
 970             throw new IOException(e.toString());
 971         }
 972     }
 973
 974     public void connect(String hostName, String username, String password, int portNumber) throws IOException {
 975         String fn = "SshJcraftWrapper.connect";
 976         jsch = new JSch();
 977         debugLog.printRTAriDebug(fn,
 978             "::Attempting to connect to " + hostName + " username=" + username + " portNumber=" + portNumber);
 979         debugLog.printRTAriDebug(fn, "Trace C");
 980         RouterName = hostName;
 981         this.hostName = hostName;
 982         userName = username;
 983         passWord = password;
 984         try {
 985             java.util.Properties config = new java.util.Properties();
 986             config.put("StrictHostKeyChecking", "no");
 987             session = jsch.getSession(username, hostName, 22);
 988             // session = jsch.getSession(username, hostName, portNumber);
 989             UserInfo ui = new MyUserInfo();
 990             session.setConfig(config);
 991             session.setPassword(password);
 992             session.setUserInfo(ui);
 993             session.connect(30000);
 994             channel = session.openChannel("shell");
 995             session.setServerAliveCountMax(
 996                 0); // If this is not set to '0', then socket timeout on all reads will not work!!!!
 997             ((ChannelShell) channel).setPtyType("vt102");
 998             inputStream = channel.getInputStream();
 999             dis = new DataInputStream(inputStream);
1000             reader = new BufferedReader(new InputStreamReader(dis), BUFFER_SIZE);
1001             channel.connect();
1002             debugLog.printRTAriDebug(fn, "::Successfully connected.");
1003             debugLog.printRTAriDebug(fn, "::Flushing input buffer");
1004             try {
1005                 receiveUntil(":~#", 9000, "No cmd was sent, just waiting, but we can stop on a '~#'");
1006             } catch (Exception e) {
1007                 debugLog.printRTAriDebug(fn, "Caught an Exception::: Nothing to flush out.");
1008             }
1009
1010         } catch (Exception e) {
1011             debugLog.printRTAriDebug(fn, "Caught an Exception. e=" + e);
1012             // dbLog.storeData("ErrorMsg= Exception trying to connect to "+hostName +" "+e);
1013             throw new IOException(e.toString());
1014         }
1015     }
1016
1017
1018     public void put(String sourcePath, String destDirectory) throws IOException {
1019         String fn = "SshJcraftWrapper.sftp";
1020         try {
1021             Session sftpSession = jsch.getSession(userName, hostName, 22);
1022             UserInfo ui = new MyUserInfo();
1023             sftpSession.setPassword(passWord);
1024             sftpSession.setUserInfo(ui);
1025             sftpSession.connect(30 * 1000);
1026             debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
1027             ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
1028             debugLog.printRTAriDebug(fn, "Connecting....");
1029             sftp.connect();
1030             debugLog.printRTAriDebug(fn, "Sending " + sourcePath + " --> " + destDirectory);
1031             sftp.put(sourcePath, destDirectory, ChannelSftp.OVERWRITE);
1032             debugLog.printRTAriDebug(fn, "Sent successfully");
1033             sftpSession.disconnect();
1034         } catch (Exception e) {
1035             debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
1036             // dbLog.storeData("ErrorMsg= sftp threw an Exception. error is:"+e);
1037             throw new IOException(e.toString());
1038         }
1039     }
1040
1041     public void put(InputStream is, String fullPathDest, String hostName, String userName, String passWord)
1042         throws IOException {
1043         String fn = "SshJcraftWrapper.put";
1044         Session sftpSession = null;
1045         try {
1046             debugLog.printRTAriDebug(fn, "userName=" + userName + " hostName=" + hostName);
1047             jsch = new JSch();
1048             java.util.Properties config = new java.util.Properties();
1049             config.put("StrictHostKeyChecking", "no");
1050             sftpSession = jsch.getSession(userName, hostName, 22);
1051             UserInfo ui = new MyUserInfo();
1052             sftpSession.setPassword(passWord);
1053             sftpSession.setUserInfo(ui);
1054             sftpSession.setConfig(config);
1055             sftpSession.connect(30 * 1000);
1056             debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
1057             ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
1058             debugLog.printRTAriDebug(fn, "Connecting....");
1059             sftp.connect();
1060             String oldFiles = fullPathDest + "*";
1061             debugLog.printRTAriDebug(fn, "Deleting old files --> " + oldFiles);
1062             try {
1063                 sftp.rm(oldFiles);
1064                 debugLog.printRTAriDebug(fn, "Sending stringOfData --> " + fullPathDest);
1065             } catch (SftpException sft) {
1066                 String exp = "No such file";
1067                 if (sft.getMessage() != null && sft.getMessage().contains(exp)) {
1068                     debugLog.printRTAriDebug(fn, "No files found -- Continue");
1069                 } else {
1070                     debugLog.printRTAriDebug(fn, "Exception while sftp.rm " + sft.getMessage());
1071                     sft.printStackTrace();
1072                     throw sft;
1073                 }
1074             }
1075             sftp.put(is, fullPathDest, ChannelSftp.OVERWRITE);
1076             debugLog.printRTAriDebug(fn, "Sent successfully");
1077         } catch (Exception e) {
1078             debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
1079             throw new IOException(e.toString());
1080         } finally {
1081             if(sftpSession != null) {
1082                 sftpSession.disconnect();
1083             }
1084         }
1085     }
1086
1087
1088     public String get(String fullFilePathName, String hostName, String userName, String passWord) throws IOException {
1089         String fn = "SshJcraftWrapper.get";
1090         Session sftpSession = null;
1091         try {
1092             debugLog.printRTAriDebug(fn, "userName=" + userName + " hostName=" + hostName);
1093             jsch = new JSch();
1094             sftpSession = jsch.getSession(userName, hostName, 22);
1095             java.util.Properties config = new java.util.Properties();
1096             config.put("StrictHostKeyChecking", "no");
1097             UserInfo ui = new MyUserInfo();
1098             sftpSession.setPassword(passWord);
1099             sftpSession.setUserInfo(ui);
1100             sftpSession.setConfig(config);
1101             sftpSession.connect(30 * 1000);
1102             debugLog.printRTAriDebug(fn, "Opening up an sftp channel....");
1103             ChannelSftp sftp = (ChannelSftp) sftpSession.openChannel("sftp");
1104             debugLog.printRTAriDebug(fn, "Connecting....");
1105             sftp.connect();
1106             InputStream in = sftp.get(fullFilePathName);
1107             String sftpFileString = readInputStreamAsString(in);
1108             debugLog.printRTAriDebug(fn, "Retreived successfully");
1109             return sftpFileString;
1110         } catch (Exception e) {
1111             debugLog.printRTAriDebug(fn, "Caught an Exception, e=" + e);
1112             throw new IOException(e.toString());
1113         } finally {
1114             if(sftpSession != null) {
1115                 sftpSession.disconnect();
1116             }
1117         }
1118     }
1119
1120     public String send(String cmd, String delimiter) throws IOException {
1121         String fn = "SshJcraftWrapper.send";
1122         OutputStream out = channel.getOutputStream();
1123         DataOutputStream dos = new DataOutputStream(out);
1124
1125         if ((cmd.charAt(cmd.length() - 1) != '\n') && (cmd.charAt(cmd.length() - 1) != '\r')) {
1126             cmd += "\n";
1127         }
1128         int length = cmd.length();
1129         int i = -1;
1130         int nchars = 300000;
1131         int ncharsTotalSent = 0;
1132         int ncharsSent = 0;
1133
1134         debugLog.printRTAriDebug(fn, "Length of cmd is:" + length); // 2,937,706
1135         debugLog.printRTAriDebug(fn, "Length of cmd is:" + length); // 2,937,706
1136         try {
1137             if (length > 600000) {
1138                 int timeout = 9000;
1139                 for (i = 0; i < length; i += nchars) {
1140                     String Cmd = cmd.substring(i, Math.min(length, i + nchars));
1141                     ncharsSent = Cmd.length();
1142                     ncharsTotalSent = ncharsTotalSent + Cmd.length();
1143                     debugLog.printRTAriDebug(fn, "i=" + i + " Sending Cmd: ncharsSent=" + ncharsSent);
1144                     dos.writeBytes(Cmd);
1145                     dos.flush();
1146                     try {
1147                         debugLog.printRTAriDebug(fn, ":::i=" + i + " length=" + length);
1148                         if (ncharsSent < length) {
1149                             receiveUntilBufferFlush(ncharsSent, timeout, "buffer flush  i=" + i);
1150                         } else {
1151                             debugLog.printRTAriDebug(fn, "i=" + i + " No Waiting this time....");
1152                             dos.flush();
1153                         }
1154                     } catch (Exception e) {
1155                         debugLog.printRTAriDebug(fn, "Caught an Exception: Nothing to flush out.");
1156                     }
1157                 }
1158             } else {
1159                 debugLog.printRTAriDebug(fn, "Before executing the dos.writeBytes");
1160                 dos.writeBytes(cmd);
1161             }
1162             dos.flush();
1163             // Now lets get the response.
1164             String response = receiveUntil(delimiter, 300000, cmd);
1165             debugLog.printRTAriDebug(fn, "Leaving method");
1166             return (response);
1167         } catch (IOException e) {
1168             debugLog.printRTAriDebug(fn, "Caught an IOException. e=" + e);
1169             throw new IOException(e.toString());
1170         }
1171     }
1172
1173
1174 }