===================================================================
RCS file: /home/cvs/OpenXM/src/OpenMath/OMproxy.java,v
retrieving revision 1.1
retrieving revision 1.39
diff -u -p -r1.1 -r1.39
--- OpenXM/src/OpenMath/OMproxy.java	1999/11/02 11:52:34	1.1
+++ OpenXM/src/OpenMath/OMproxy.java	2000/07/03 05:57:43	1.39
@@ -1,43 +1,61 @@
+/**
+ * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.38 2000/06/14 08:01:08 tam Exp $
+ */
+
 import JP.ac.kobe_u.math.tam.OpenXM.*;
 import java.util.Stack;
 import java.io.*;
 
-class OMproxy implements Runnable{
-  private OpenXM ox;
+public class OMproxy extends OpenXMserver{
   private Stack stack = new Stack();
+  protected boolean debug = false;
+  final int version = 200006130;
 
-  public OMproxy(String host,int ControlPort,int DataPort) throws IOException{
-    ox = new OpenXM(this,host,ControlPort,DataPort);
+  public OMproxy(String hostname,int ControlPort,int DataPort){
+    super(hostname,ControlPort,DataPort);
   }
 
-  public void run(){
+  public void computeProcess(OpenXMconnection stream){
     OM2OXM P = new OM2OXM();
 
+    debug("OMproxy started.");
     try{
       while(true){
-	synchronized(ox){
-	  int ox_tag = ox.receiveOXtag();
+	try{
+	  OXmessage message = stream.receive();
+	  int ox_tag = message.getTag();
 
 	  switch(ox_tag){
-	  case OpenXM.OX_COMMAND:
-	    StackMachine(ox.receiveSM());
+	  case OXmessage.OX_COMMAND:
+	    StackMachine((SM)message.getBody(),stream);
 	    break;
 
-	  case OpenXM.OX_DATA:
-	    stack.push(ox.receiveCMO());
-	    System.out.println("push: "+ stack.peek());
+	  case OXmessage.OX_DATA:
+	    stack.push(message.getBody());
+	    debug("push: "+ stack.peek());
 	    break;
 	  }
+	}catch(RuntimeException e){
+	  System.err.println(e.getMessage());
+	  e.printStackTrace();
+	  debug("error occured. stack was cleared.");
+	  stack = new Stack();
 	}
       }
-    }catch(java.io.IOException e){
+    }catch(IOException e){
       System.err.println(e.getMessage());
       e.printStackTrace();
+      System.err.println("error occured, and recovering processes seems to be impossible.");
+    }catch(Exception e){
+      System.err.println(e.getMessage());
+      e.printStackTrace();
+      System.err.println("error occured, and recovering processes seems to be impossible.");
+    }finally{
+      System.out.println("breaking...");
     }
-
-    System.out.println("breaking...");
   }
 
+  /*
   public void stop(){
     System.out.println("OMproxy Stoping...");
     synchronized(ox){
@@ -48,12 +66,22 @@ class OMproxy implements Runnable{
       System.out.println("OMproxy Stopped");
     }
   }
+  */
 
-  private void SM_popCMO() throws java.io.IOException{
-    if(stack.empty()){
-      ox.send(new CMO_NULL());
-    }else{
-      ox.send(stack.pop());
+  private void SM_popCMO(OpenXMconnection stream) throws java.io.IOException{
+    try{
+      if(stack.empty()){
+	stream.send(new CMO_NULL());
+      }else{
+	debug("sending CMO: "+ stack.peek());
+	stream.send((CMO)stack.pop());
+	debug("test");
+      }
+    }catch(MathcapViolation e){
+      try{
+	stream.send(new CMO_ERROR2(new CMO_STRING("MathcapViolation: "+
+					      e.getMessage())));
+      }catch(MathcapViolation tmp){}
     }
   }
 
@@ -63,7 +91,7 @@ class OMproxy implements Runnable{
     int argc;
 
     if(!(stack.peek() instanceof CMO_STRING)){
-      stack.push(new CMO_ERROR2());
+      stack.push(new CMO_ERROR2(new CMO_NULL()));
       return;
     }
     function_name = ((CMO_STRING)stack.pop()).getString();
@@ -74,7 +102,7 @@ class OMproxy implements Runnable{
     }
 
     if(argc != 1){
-      stack.push(new CMO_ERROR2());
+      stack.push(new CMO_ERROR2(new CMO_NULL()));
       return;
     }
 
@@ -86,28 +114,105 @@ class OMproxy implements Runnable{
       return;
     }
 
-    stack.push(new CMO_ERROR2());
+    stack.push(new CMO_ERROR2(new CMO_NULL()));
     return;
   }
 
-  private void StackMachine(SM mesg) throws java.io.IOException{
+  private void SM_mathcap(OpenXMconnection stream) throws java.io.IOException{
+    CMO[] mathcap = new CMO[3];
+
+    {
+      CMO[] list = {new CMO_INT32(version),
+		  new CMO_STRING("Ox_system=OMproxy.class"),
+		  new CMO_STRING("Version=0."+ version),
+		  new CMO_STRING("HOSTTYPE=JAVA")};
+      mathcap[0] = new CMO_LIST(list);
+    }
+
+    {
+      CMO[] list = {new CMO_INT32(SM.SM_popCMO),
+		    new CMO_INT32(SM.SM_executeFunction),
+		    new CMO_INT32(SM.SM_mathcap),
+		    new CMO_INT32(SM.SM_setMathCap),
+		    new CMO_INT32(SM.SM_control_kill),
+		    new CMO_INT32(SM.SM_control_reset_connection)};
+      mathcap[1] = new CMO_LIST(list);
+    }
+
+    {
+      CMO[] CMOFormat = {new CMO_INT32(CMO.NULL),
+			 new CMO_INT32(CMO.INT32),
+			 new CMO_INT32(CMO.STRING),
+			 new CMO_INT32(CMO.LIST),
+			 new CMO_INT32(CMO.MONOMIAL32),
+			 new CMO_INT32(CMO.ZZ),
+			 new CMO_INT32(CMO.QQ),
+			 new CMO_INT32(CMO.ZERO),
+			 new CMO_INT32(CMO.DMS_GENERIC),
+			 new CMO_INT32(CMO.RECURSIVE_POLYNOMIAL),
+			 new CMO_INT32(CMO.DISTRIBUTED_POLYNOMIAL),
+			 new CMO_INT32(CMO.POLYNOMIAL_IN_ONE_VARIABLE),
+			 new CMO_INT32(CMO.BIGFLOAT),
+			 new CMO_INT32(CMO.INDETERMINATE),
+			 new CMO_INT32(CMO.TREE)};
+      CMO[] DataFormat1 = {new CMO_INT32(OXmessage.OX_DATA),
+			   new CMO_LIST(CMOFormat)};
+      CMO[] list = {new CMO_LIST(DataFormat1)};
+
+      mathcap[2] = new CMO_LIST(list);
+    }
+
+    stack = new Stack();
+    stack.push(new CMO_MATHCAP(new CMO_LIST(mathcap)));
+    debug("push: "+ stack.peek());
+  }
+
+  private void SM_setMathCap(OpenXMconnection stream)
+       throws java.io.IOException{
+    Object mathcap = stack.pop();
+
+    if(mathcap instanceof CMO_MATHCAP){
+      stack.push(new CMO_ERROR2(new CMO_NULL()));
+    }
+    stream.setMathCap((CMO_MATHCAP)mathcap);
+  }
+
+  private void StackMachine(SM mesg,OpenXMconnection stream)
+       throws java.io.IOException{
+    debug("receive: "+mesg);
+
     switch(mesg.getCode()){
     case SM.SM_popCMO:
-      SM_popCMO();
+      SM_popCMO(stream);
       break;
 
     case SM.SM_executeFunction:
       SM_executeFunction();
       break;
 
+    case SM.SM_mathcap:
+      SM_mathcap(stream);
+      break;
+
+    case SM.SM_setMathCap:
+      SM_setMathCap(stream);
+      break;
+
     default:
       System.out.println("received "+ mesg);
     }
   }
 
   private CMO CMO2OMXML(CMO obj){
-    String str = OM2OXM.CMO2OM(obj);
+    String str;
 
+    try{
+      str = OM2OXM.CMO2OM(obj);
+    }catch(NumberFormatException e){
+      debug("CMO2OMXML occuered error in trans");
+      return new CMO_ERROR2(new CMO_STRING(e.toString()));
+    }
+
     return new CMO_STRING(str);
   }
 
@@ -117,49 +222,86 @@ class OMproxy implements Runnable{
     ByteArrayInputStream stream;
     CMO ret;
 
-    if(obj instanceof CMO_STRING){
-      return new CMO_ERROR2();
+    debug("OMXML2CMO called: "+obj);
+    if(!(obj instanceof CMO_STRING)){
+      return new CMO_ERROR2(new CMO_STRING("It's not CMO_STRING."));
     }
 
     try{
       stream = new ByteArrayInputStream(((CMO_STRING)obj).getString().getBytes());
       ret = trans.parse(stream);
     }catch(IOException e){
+      debug("OMXML2CMO occuered error in trans");
       return new CMO_ERROR2(new CMO_STRING(e.toString()));
+    }catch(NumberFormatException e){
+      debug("OMXML2CMO occuered error in trans");
+      return new CMO_ERROR2(new CMO_STRING(e.toString()));
     }
 
+    debug("push: "+ret);
     return ret;
   }
 
-  public static void main(String argv[]){
-    String host = "localhost";
-    int DataPort = 1300, ControlPort = 1200;
+  private void debug(String str){
+    if(debug){
+      System.err.println(str);
+    }
+  }
 
+  private static String usage(){
+    String ret = "";
+
+    ret += "usage\t: java OMproxy [options]\n";
+    ret += "options\t:\n";
+    ret += "\t -h \t show this message\n";
+    ret += "\t -host hostname \t (default localhost)\n";
+    ret += "\t -data port \t (default 1300)\n";
+    ret += "\t -control port \t (default 1200)\n";
+    ret += "\t -insecure \t this version ignore this option\n";
+    ret += "\t -debug \t display debug messages\n";
+
+    return ret;
+  }
+
+  public static void main(String[] argv){
+    String hostname = "localhost";
+    int ControlPort = 1200, DataPort = 1300;
+    OpenXMserver ox;
+
     for(int i=0;i<argv.length;i++){
       if(argv[i].equals("-h")){
-	System.out.println("");
-	System.exit(0);
+        System.out.println("");
+        System.exit(0);
       }else if(argv[i].equals("-host")){
-	host = argv[++i];
+        hostname = argv[++i];
       }else if(argv[i].equals("-data")){
-	DataPort = Integer.valueOf(argv[++i]).intValue();
+        DataPort = Integer.valueOf(argv[++i]).intValue();
       }else if(argv[i].equals("-control")){
-	ControlPort = Integer.valueOf(argv[++i]).intValue();
+        ControlPort = Integer.valueOf(argv[++i]).intValue();
       }else{
-	System.err.println("unknown option :"+ argv[i]);
-	System.exit(1);
+        System.err.println("unknown option :"+ argv[i]);
+        System.exit(1);
       }
     }
-    System.out.println("host(ctrl,data): "+ host
-		       +"("+ ControlPort +","+ DataPort +")");
 
+    //ox = new OpenXMserver(hostname,ControlPort,DataPort);
+    ox = new OMproxy(hostname,ControlPort,DataPort);
+    /*
     try{
-      new OMproxy(host,ControlPort,DataPort);
-      System.out.println("connected.");
+    }catch(java.net.UnknownHostException e){
+      System.err.println("host unknown.");
+      System.err.println(e.getMessage());
+      return;
     }catch(IOException e){
-      System.err.println("Error occured: "+ e);
-      System.err.println(e.getLocalizedMessage());
+      System.err.println("connection failed.");
+      System.err.println("IOException occuer !!");
       System.err.println(e.getMessage());
+      return;
     }
+    */
+
+    ox.start();
+
+    System.out.println("breaking...");
   }
 }