net.sourceforge.phpeclipse.xdebug.core/src/net/sourceforge/phpeclipse/xdebug/core/xdebug/XDebugConnection.java

   1 /**
   2  *
   3  */
   4 package net.sourceforge.phpeclipse.xdebug.core.xdebug;
   5
   6 import java.io.DataInputStream;
   7 import java.io.EOFException;
   8 import java.io.IOException;
   9 import java.io.OutputStreamWriter;
  10 import java.io.UnsupportedEncodingException;
  11 import java.net.Socket;
  12
  13 import net.sourceforge.phpeclipse.xdebug.core.Base64;
  14 import net.sourceforge.phpeclipse.xdebug.core.PHPDebugUtils;
  15 import net.sourceforge.phpeclipse.xdebug.core.XDebugCorePlugin;
  16 //import net.sourceforge.phpeclipse.xdebug.core.xdebug.ResponseListener.XDebugResponse;
  17
  18 import org.eclipse.core.runtime.IStatus;
  19
  20 /**
  21  * @author Christian Perkonig
  22  *
  23  */
  24 public class XDebugConnection {
  25         private int fTransactionID = 0;
  26         private Socket fDebugSocket;
  27         private OutputStreamWriter fDebugWriter;
  28         private DataInputStream fDebugReader;
  29
  30         protected boolean fInitialized = false;
  31         protected boolean fIsClosed = true;
  32
  33         protected String fSessionID = "";
  34
  35         public String getSessionID() {
  36                 return fSessionID;
  37         }
  38
  39         public boolean isInitialized() {
  40                 return fInitialized;
  41         }
  42
  43         public boolean isClosed() {
  44                 return fIsClosed;
  45         }
  46
  47         public XDebugConnection(Socket debugSocket) {
  48                 fDebugSocket = debugSocket;
  49                 fTransactionID = 0;
  50                 fInitialized = false;
  51                 try {
  52                         fDebugWriter = new OutputStreamWriter(debugSocket.getOutputStream(), "UTF8");
  53                         fDebugReader = new DataInputStream(debugSocket.getInputStream());
  54                 } catch (UnsupportedEncodingException e) {
  55                         e.printStackTrace();
  56                 } catch (IOException e) {
  57                         e.printStackTrace();
  58                 }
  59
  60                 fIsClosed = false;
  61
  62                 String initString = readData();
  63                 XDebugCorePlugin.log(IStatus.INFO,initString);
  64
  65                 int startIdx = initString.indexOf("idekey=\"");
  66                 if (startIdx == -1)
  67                         return;
  68                 startIdx += 8;
  69                 int endIdx=initString.indexOf('"',startIdx);
  70                 if (endIdx==-1)
  71                         return;
  72                 fSessionID = initString.substring(startIdx,endIdx);
  73                 fInitialized = true;
  74         }
  75
  76         protected String readData()     {
  77                 if (fIsClosed)
  78                         return null;
  79
  80         byte byteBuffer[]=null,b;
  81                 int count=0;
  82
  83                 try {
  84                         while ((b =fDebugReader.readByte()) != 0) {
  85                                 count = count * 10 + b - '0';
  86                         }
  87                         byteBuffer = new byte[count];
  88                         int readCount=0;
  89                         int attempts=0;
  90                         while ((count >0) && (attempts <5)) {
  91                                 int rc=fDebugReader.read(byteBuffer,readCount,count);
  92                                 count-=rc;
  93                                 readCount+=rc;
  94                                 if (count>65530)
  95                                         try {
  96                                                 Thread.sleep(200);
  97                                         } catch (InterruptedException e) {
  98                                         }
  99                                 else
 100                                         attempts++;
 101                         }
 102                         if((b= fDebugReader.readByte())!=0) // reads the NULL Byte at the end;
 103                                 System.out.println("NULL-Byte missing!!");
 104                 } catch (IOException e) {
 105                         if (e instanceof EOFException == false) {
 106                                 if (!fIsClosed) {
 107                                         e.printStackTrace();
 108                                 }
 109                         }
 110                         return null;
 111                 }
 112                 return new String(byteBuffer);
 113         }
 114
 115         private /*XDebugResponse*/ int sendRequest(String command, String arguments) {
 116                 int id = -1;
 117
 118                 id = _sendRequest(command, arguments);
 119
 120                 //XDebugResponse response = getResponse(id);
 121
 122                 return /*response*/ id;
 123         }
 124
 125         private synchronized int _sendRequest(String command, String arguments) {
 126                 XDebugCorePlugin.log(IStatus.INFO,command+" -i "+fTransactionID+" "+arguments);
 127                 synchronized (fDebugSocket) {
 128                         try {
 129                                 fDebugWriter.write(command);
 130                                 fDebugWriter.write(" -i " + fTransactionID);
 131                                 if (!"".equals(arguments))
 132                                         fDebugWriter.write(" " + arguments);
 133                                 fDebugWriter.write(0);
 134                                 fDebugWriter.flush();
 135                         } catch (IOException e) {
 136                                 e.printStackTrace();
 137                 }
 138                 }
 139
 140                 return fTransactionID++;
 141         }
 142
 143         public /*XDebugResponse*/ int eval(String Expression) {
 144                 String encoded = Base64.encodeBytes(Expression.getBytes());
 145
 146                 return sendRequest("eval", "-- "+encoded);
 147         }
 148
 149         public /*XDebugResponse*/ int featureGet(String featureName) {
 150                 return sendRequest("feature_get","-n "+featureName);
 151         }
 152
 153         public /*boolean*/ int  featureSet(String featureName, String value) {
 154                 //XDebugResponse id = sendRequest("feature_set","-n "+featureName + " -v " + value);
 155
 156                 int id = sendRequest("feature_set","-n "+featureName + " -v " + value);
 157
 158                 return id;
 159                 /*XDebugResponse response = getResponse(id);
 160
 161                 if (response.getAttributeValue("success").equals("1") )
 162                         return true;
 163                 else
 164                         return false;*/
 165         }
 166
 167         /*protected XDebugResponse getResponse(int id) {
 168                 return fResponseList.get(id);
 169         }
 170
 171         protected void addResponse(XDebugResponse response, int id) {
 172                 fResponseList.add(response, id);
 173         }*/
 174
 175         public /*XDebugResponse*/ int  breakpointSetOld(String file, int lineNumber) {
 176                 String arg;
 177
 178                 arg = "-t line -f file://"+PHPDebugUtils.escapeString(file)+" -n " + lineNumber;
 179                 return sendRequest("breakpoint_set", arg);
 180         }
 181
 182         public /*XDebugResponse*/ int  breakpointSet(String file, int lineNumber, int hitCount) {
 183                 String arg;
 184
 185                 arg = "-t line -f file://"+PHPDebugUtils.escapeString(file)+" -n " + lineNumber;
 186                 if (hitCount > 0) {
 187                         arg += " -h " + hitCount;
 188                 }
 189                 return sendRequest("breakpoint_set", arg);
 190         }
 191
 192         public int  breakpointGet(int id) {
 193                 String arg;
 194
 195                 arg = "-d " + id;
 196                 return sendRequest("breakpoint_get", arg);
 197         }
 198
 199         public /*XDebugResponse*/ int  breakpointRemove(int id) {
 200                 return sendRequest("breakpoint_set", "-d " + id);
 201         }
 202
 203         public /*XDebugResponse*/ int  stackGet(/*int Level*/) {
 204                 /*if (Level > -1) {
 205                         return sendRequest("stack_get", "-d " + Level);
 206                 } else {*/
 207                         return sendRequest("stack_get", "");
 208                 //}
 209         }
 210
 211         public void stepOver() {
 212                 sendRequest("step_over", "");
 213         }
 214
 215         public void stepInto() {
 216                 sendRequest("step_into", "");
 217         }
 218
 219         public void stepOut() {
 220                 sendRequest("step_out", "");
 221         }
 222
 223         public void run() {
 224                 sendRequest("run", "");
 225         }
 226
 227         public void stop() {
 228                 sendRequest("stop", "");
 229         }
 230
 231         public /*XDebugResponse*/ int  propertySet(String Name, String Value) {
 232                 String str = Base64.encodeBytes(Value.getBytes());
 233                 int len = str.length();
 234
 235                 return sendRequest("property_set", "-n " + Name + " -l " + len + " -- " + str);
 236         }
 237
 238         public /*XDebugResponse*/ int  contextGet(int Level, int Type) {
 239                 return sendRequest("context_get", "-d " + Level + " -c " + Type);
 240         }
 241
 242         public /*boolean*/int setVarValue(String Name, String Value) {
 243                 //XDebugResponse dr = propertySet(Name, Value);
 244
 245                 int id = propertySet(Name, Value);
 246                 //XDebugResponse response = getResponse(id);
 247                 return id;
 248
 249                 /*if ((response.getAttributeValue("success")).equals("1"))
 250                         return true;
 251
 252                 return false;*/
 253         }
 254
 255         /*public void startListener() {
 256                 fResponseListener.schedule();
 257         }
 258
 259         public boolean stopListener() {
 260                 return fResponseListener.cancel();
 261         }*/
 262
 263         public void close() {
 264                 if (!fIsClosed) {
 265                         fIsClosed = true;
 266                         //fResponseListener.cancel();
 267                         //fResponseListener = null;
 268                         try {
 269                                 fDebugSocket.close();
 270                                 fDebugReader.close();
 271                                 fDebugReader = null;
 272                                 fDebugWriter.close();
 273                         } catch (IOException e) {
 274                                 e.printStackTrace();
 275                         }
 276                 }
 277                 //fResponseListener.cancel();
 278                 //fIsClosed=true;
 279         }
 280 }