===================================================================
RCS file: /home/cvs/OpenXM/src/OpenMath/OMproxy.java,v
retrieving revision 1.1.1.1
retrieving revision 1.24
diff -u -p -r1.1.1.1 -r1.24
--- OpenXM/src/OpenMath/OMproxy.java	1999/11/02 11:52:34	1.1.1.1
+++ OpenXM/src/OpenMath/OMproxy.java	2000/01/20 18:14:32	1.24
@@ -1,3 +1,7 @@
+/**
+ * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.23 2000/01/20 16:40:13 tam Exp $
+ */
+
 import JP.ac.kobe_u.math.tam.OpenXM.*;
 import java.util.Stack;
 import java.io.*;
@@ -5,6 +9,8 @@ import java.io.*;
 class OMproxy implements Runnable{
   private OpenXM ox;
   private Stack stack = new Stack();
+  protected boolean debug = false;
+  final int version = 200001190;
 
   public OMproxy(String host,int ControlPort,int DataPort) throws IOException{
     ox = new OpenXM(this,host,ControlPort,DataPort);
@@ -13,31 +19,31 @@ class OMproxy implements Runnable{
   public void run(){
     OM2OXM P = new OM2OXM();
 
-    try{
-      while(true){
-	synchronized(ox){
-	  int ox_tag = ox.receiveOXtag();
+    debug("OMproxy started.");
+    while(true){
+      try{
+	int ox_tag = ox.receiveOXtag();
 
-	  switch(ox_tag){
-	  case OpenXM.OX_COMMAND:
-	    StackMachine(ox.receiveSM());
-	    break;
+	switch(ox_tag){
+	case OpenXM.OX_COMMAND:
+	  StackMachine(ox.receiveSM());
+	  break;
 
-	  case OpenXM.OX_DATA:
-	    stack.push(ox.receiveCMO());
-	    System.out.println("push: "+ stack.peek());
-	    break;
-	  }
+	case OpenXM.OX_DATA:
+	  stack.push(ox.receiveCMO());
+	  debug("push: "+ stack.peek());
+	  break;
 	}
+      }catch(Throwable e){
+	System.err.println(e.getMessage());
+	e.printStackTrace();
+	debug("error occured. stack was cleared.");
       }
-    }catch(java.io.IOException e){
-      System.err.println(e.getMessage());
-      e.printStackTrace();
     }
-
-    System.out.println("breaking...");
+    //System.out.println("breaking...");
   }
 
+  /*
   public void stop(){
     System.out.println("OMproxy Stoping...");
     synchronized(ox){
@@ -48,26 +54,32 @@ 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());
+    try{
+      if(stack.empty()){
+	ox.send(new CMO_NULL());
+      }else{
+	debug("sending CMO: "+ stack.peek());
+	ox.send(stack.pop());
+      }
+    }catch(MathcapViolation e){
+      stack.push(new CMO_STRING(e.getMessage()));
     }
   }
 
   private void SM_executeFunction() throws java.io.IOException{
     String function_name;
     CMO[] argv;
-    int argc;
+    int argc = 1;
 
     if(!(stack.peek() instanceof CMO_STRING)){
       stack.push(new CMO_ERROR2());
       return;
     }
     function_name = ((CMO_STRING)stack.pop()).getString();
-    argc = ((CMO_INT32)stack.pop()).intValue();
+    //argc = ((CMO_INT32)stack.pop()).intValue();
     argv = new CMO[argc];
     for(int i=0;i<argc;i++){
       argv[i] = (CMO)stack.pop();
@@ -90,7 +102,57 @@ class OMproxy implements Runnable{
     return;
   }
 
+  private void SM_mathcap() 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.CMO_NULL),
+			 new CMO_INT32(CMO.CMO_INT32),
+			 new CMO_INT32(CMO.CMO_STRING),
+			 new CMO_INT32(CMO.CMO_LIST),
+			 new CMO_INT32(CMO.CMO_MONOMIAL32),
+			 new CMO_INT32(CMO.CMO_ZZ),
+			 new CMO_INT32(CMO.CMO_QQ),
+			 new CMO_INT32(CMO.CMO_ZERO),
+			 new CMO_INT32(CMO.CMO_DMS_GENERIC),
+			 new CMO_INT32(CMO.CMO_RECURSIVE_POLYNOMIAL),
+			 new CMO_INT32(CMO.CMO_DISTRIBUTED_POLYNOMIAL),
+			 new CMO_INT32(CMO.CMO_POLYNOMIAL_IN_ONE_VARIABLE),
+			 new CMO_INT32(CMO.CMO_BIGFLOAT),
+			 new CMO_INT32(CMO.CMO_INDETERMINATE),
+			 new CMO_INT32(CMO.CMO_TREE)};
+      CMO[] DataFormat1 = {new CMO_INT32(OpenXM.OX_DATA),
+			   new CMO_LIST(CMOFormat)};
+      CMO[] list = {new CMO_LIST(DataFormat1)};
+
+      mathcap[2] = new CMO_LIST(list);
+    }
+
+    stack.push(new CMO_MATHCAP(new CMO_LIST(mathcap)));
+    debug("push: "+ stack.peek());
+  }
+
   private void StackMachine(SM mesg) throws java.io.IOException{
+    debug("receive: "+mesg);
+
     switch(mesg.getCode()){
     case SM.SM_popCMO:
       SM_popCMO();
@@ -100,14 +162,25 @@ class OMproxy implements Runnable{
       SM_executeFunction();
       break;
 
+    case SM.SM_mathcap:
+      SM_mathcap();
+      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);
   }
 
@@ -117,27 +190,55 @@ 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;
   }
 
+  private void debug(String str){
+    if(debug){
+      System.out.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 host = "localhost";
     int DataPort = 1300, ControlPort = 1200;
+    boolean debug = false;
 
     for(int i=0;i<argv.length;i++){
       if(argv[i].equals("-h")){
-	System.out.println("");
+	System.out.print(usage());
 	System.exit(0);
       }else if(argv[i].equals("-host")){
 	host = argv[++i];
@@ -145,16 +246,21 @@ class OMproxy implements Runnable{
 	DataPort = Integer.valueOf(argv[++i]).intValue();
       }else if(argv[i].equals("-control")){
 	ControlPort = Integer.valueOf(argv[++i]).intValue();
+      }else if(argv[i].equals("-insecure")){
+      }else if(argv[i].equals("-debug")){
+	debug = true;
       }else{
-	System.err.println("unknown option :"+ argv[i]);
+	System.err.println("unknown option : "+ argv[i]);
+	System.err.print(usage());
 	System.exit(1);
       }
     }
+
     System.out.println("host(ctrl,data): "+ host
 		       +"("+ ControlPort +","+ DataPort +")");
 
     try{
-      new OMproxy(host,ControlPort,DataPort);
+      new OMproxy(host,ControlPort,DataPort).debug = debug;
       System.out.println("connected.");
     }catch(IOException e){
       System.err.println("Error occured: "+ e);