=================================================================== RCS file: /home/cvs/OpenXM/src/OpenMath/OMproxy.java,v retrieving revision 1.17 retrieving revision 1.38 diff -u -p -r1.17 -r1.38 --- OpenXM/src/OpenMath/OMproxy.java 2000/01/18 07:59:19 1.17 +++ OpenXM/src/OpenMath/OMproxy.java 2000/06/14 08:01:08 1.38 @@ -1,46 +1,54 @@ /** - * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.16 2000/01/13 12:35:56 tam Exp $ + * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.37 2000/06/13 14:04:19 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(); - private boolean debug = true; - final int version = 199911110; + 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){ - 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()); - break; + switch(ox_tag){ + case OXmessage.OX_COMMAND: + StackMachine((SM)message.getBody(),stream); + break; - case OpenXM.OX_DATA: - stack.push(ox.receiveCMO()); - debug("push: "+ stack.peek()); - break; + 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."); + }finally{ + System.out.println("breaking..."); } - - System.out.println("breaking..."); } /* @@ -56,33 +64,41 @@ class OMproxy implements Runnable{ } */ - private void SM_popCMO() throws java.io.IOException{ - if(stack.empty()){ - ox.send(new CMO_NULL()); - }else{ - debug("sending CMO: "+ stack.peek()); - 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){} } } private void SM_executeFunction() throws java.io.IOException{ String function_name; CMO[] argv; - int argc = 1; + 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(); - //argc = ((CMO_INT32)stack.pop()).intValue(); + argc = ((CMO_INT32)stack.pop()).intValue(); argv = new CMO[argc]; for(int i=0;i