File: [local] / OpenXM / src / OpenMath / OMproxy.java (download)
Revision 1.18, Tue Jan 18 12:47:03 2000 UTC (24 years, 8 months ago) by tam
Branch: MAIN
Changes since 1.17: +2 -1
lines
I added SM_setMathCap to CMO_MATHCAP.
Because asir tries to send this command inspite of a mathcap value
and he seems to suicide.
OMproxy doesn't have a SM_setMathCap implement yet.
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/**
* $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.18 2000/01/18 12:47:03 tam Exp $
*/
import JP.ac.kobe_u.math.tam.OpenXM.*;
import java.util.Stack;
import java.io.*;
class OMproxy implements Runnable{
private OpenXM ox;
private Stack stack = new Stack();
private boolean debug = true;
final int version = 199911110;
public OMproxy(String host,int ControlPort,int DataPort) throws IOException{
ox = new OpenXM(this,host,ControlPort,DataPort);
}
public void run(){
OM2OXM P = new OM2OXM();
debug("OMproxy started.");
try{
while(true){
int ox_tag = ox.receiveOXtag();
switch(ox_tag){
case OpenXM.OX_COMMAND:
StackMachine(ox.receiveSM());
break;
case OpenXM.OX_DATA:
stack.push(ox.receiveCMO());
debug("push: "+ stack.peek());
break;
}
}
}catch(java.io.IOException e){
System.err.println(e.getMessage());
e.printStackTrace();
}
System.out.println("breaking...");
}
/*
public void stop(){
System.out.println("OMproxy Stoping...");
synchronized(ox){
//this.stop();
while(!stack.empty()){
stack.pop();
}
System.out.println("OMproxy Stopped");
}
}
*/
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_executeFunction() throws java.io.IOException{
String function_name;
CMO[] argv;
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();
argv = new CMO[argc];
for(int i=0;i<argc;i++){
argv[i] = (CMO)stack.pop();
}
if(argc != 1){
stack.push(new CMO_ERROR2());
return;
}
if(function_name.equals("OMXML2CMO")){
stack.push(OMXML2CMO(argv[0]));
return;
}else if(function_name.equals("CMO2OMXML")){
stack.push(CMO2OMXML(argv[0]));
return;
}
stack.push(new CMO_ERROR2());
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();
break;
case SM.SM_executeFunction:
SM_executeFunction();
break;
case SM.SM_mathcap:
SM_mathcap();
break;
default:
System.out.println("received "+ mesg);
}
}
private CMO CMO2OMXML(CMO 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);
}
private CMO OMXML2CMO(CMO obj){
OM2OXM trans = new OM2OXM();
//StringBufferInputStream stream;
ByteArrayInputStream stream;
CMO ret;
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 -nohup \t ignore signals (required libnative.so)\n";
return ret;
}
private static native void setNoInterrupt();
public static void main(String argv[]){
String host = "localhost";
int DataPort = 1300, ControlPort = 1200;
for(int i=0;i<argv.length;i++){
if(argv[i].equals("-h")){
System.out.print(usage());
System.exit(0);
}else if(argv[i].equals("-host")){
host = argv[++i];
}else if(argv[i].equals("-data")){
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("-nohup")){
System.loadLibrary("native");
setNoInterrupt();
}else{
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);
System.out.println("connected.");
}catch(IOException e){
System.err.println("Error occured: "+ e);
System.err.println(e.getLocalizedMessage());
System.err.println(e.getMessage());
}
}
}