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Annotation of OpenXM/src/OpenMath/OMproxy.java, Revision 1.28

1.2       tam         1: /**
1.28    ! tam         2:  * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.27 2000/01/21 06:55:45 tam Exp $
1.2       tam         3:  */
                      4:
1.1       tam         5: import JP.ac.kobe_u.math.tam.OpenXM.*;
                      6: import java.util.Stack;
                      7: import java.io.*;
                      8:
                      9: class OMproxy implements Runnable{
                     10:   private OpenXM ox;
                     11:   private Stack stack = new Stack();
1.22      tam        12:   protected boolean debug = false;
1.20      tam        13:   final int version = 200001190;
1.1       tam        14:
                     15:   public OMproxy(String host,int ControlPort,int DataPort) throws IOException{
                     16:     ox = new OpenXM(this,host,ControlPort,DataPort);
                     17:   }
                     18:
                     19:   public void run(){
                     20:     OM2OXM P = new OM2OXM();
                     21:
1.9       tam        22:     debug("OMproxy started.");
1.20      tam        23:     while(true){
                     24:       try{
1.9       tam        25:        int ox_tag = ox.receiveOXtag();
1.1       tam        26:
1.9       tam        27:        switch(ox_tag){
                     28:        case OpenXM.OX_COMMAND:
                     29:          StackMachine(ox.receiveSM());
                     30:          break;
                     31:
                     32:        case OpenXM.OX_DATA:
                     33:          stack.push(ox.receiveCMO());
                     34:          debug("push: "+ stack.peek());
                     35:          break;
1.1       tam        36:        }
1.23      tam        37:       }catch(Throwable e){
1.20      tam        38:        System.err.println(e.getMessage());
                     39:        e.printStackTrace();
                     40:        debug("error occured. stack was cleared.");
1.1       tam        41:       }
                     42:     }
1.21      tam        43:     //System.out.println("breaking...");
1.1       tam        44:   }
                     45:
1.9       tam        46:   /*
1.1       tam        47:   public void stop(){
                     48:     System.out.println("OMproxy Stoping...");
                     49:     synchronized(ox){
                     50:       //this.stop();
                     51:       while(!stack.empty()){
                     52:        stack.pop();
                     53:       }
                     54:       System.out.println("OMproxy Stopped");
                     55:     }
                     56:   }
1.9       tam        57:   */
1.1       tam        58:
                     59:   private void SM_popCMO() throws java.io.IOException{
1.24      tam        60:     try{
                     61:       if(stack.empty()){
                     62:        ox.send(new CMO_NULL());
                     63:       }else{
                     64:        debug("sending CMO: "+ stack.peek());
                     65:        ox.send(stack.pop());
                     66:       }
                     67:     }catch(MathcapViolation e){
1.27      tam        68:       try{
1.28    ! tam        69:        ox.send(new CMO_ERROR2(new CMO_STRING("MathcapViolation: "+
        !            70:                                              e.getMessage())));
1.27      tam        71:       }catch(MathcapViolation tmp){}
1.1       tam        72:     }
                     73:   }
                     74:
                     75:   private void SM_executeFunction() throws java.io.IOException{
                     76:     String function_name;
                     77:     CMO[] argv;
1.26      tam        78:     int argc;
1.1       tam        79:
                     80:     if(!(stack.peek() instanceof CMO_STRING)){
                     81:       stack.push(new CMO_ERROR2());
                     82:       return;
                     83:     }
                     84:     function_name = ((CMO_STRING)stack.pop()).getString();
1.26      tam        85:     argc = ((CMO_INT32)stack.pop()).intValue();
1.1       tam        86:     argv = new CMO[argc];
                     87:     for(int i=0;i<argc;i++){
                     88:       argv[i] = (CMO)stack.pop();
                     89:     }
                     90:
                     91:     if(argc != 1){
                     92:       stack.push(new CMO_ERROR2());
                     93:       return;
                     94:     }
                     95:
                     96:     if(function_name.equals("OMXML2CMO")){
                     97:       stack.push(OMXML2CMO(argv[0]));
                     98:       return;
                     99:     }else if(function_name.equals("CMO2OMXML")){
                    100:       stack.push(CMO2OMXML(argv[0]));
                    101:       return;
                    102:     }
                    103:
                    104:     stack.push(new CMO_ERROR2());
                    105:     return;
                    106:   }
                    107:
1.7       tam       108:   private void SM_mathcap() throws java.io.IOException{
                    109:     CMO[] mathcap = new CMO[3];
                    110:
                    111:     {
1.9       tam       112:       CMO[] list = {new CMO_INT32(version),
1.7       tam       113:                  new CMO_STRING("Ox_system=OMproxy.class"),
1.9       tam       114:                  new CMO_STRING("Version=0."+ version),
1.7       tam       115:                  new CMO_STRING("HOSTTYPE=JAVA")};
                    116:       mathcap[0] = new CMO_LIST(list);
                    117:     }
                    118:
                    119:     {
                    120:       CMO[] list = {new CMO_INT32(SM.SM_popCMO),
                    121:                    new CMO_INT32(SM.SM_executeFunction),
1.10      tam       122:                    new CMO_INT32(SM.SM_mathcap),
1.18      tam       123:                    new CMO_INT32(SM.SM_setMathCap),
1.10      tam       124:                    new CMO_INT32(SM.SM_control_kill),
                    125:                    new CMO_INT32(SM.SM_control_reset_connection)};
1.7       tam       126:       mathcap[1] = new CMO_LIST(list);
                    127:     }
                    128:
                    129:     {
                    130:       CMO[] CMOFormat = {new CMO_INT32(CMO.CMO_NULL),
                    131:                         new CMO_INT32(CMO.CMO_INT32),
                    132:                         new CMO_INT32(CMO.CMO_STRING),
1.9       tam       133:                         new CMO_INT32(CMO.CMO_LIST),
1.7       tam       134:                         new CMO_INT32(CMO.CMO_MONOMIAL32),
                    135:                         new CMO_INT32(CMO.CMO_ZZ),
                    136:                         new CMO_INT32(CMO.CMO_QQ),
                    137:                         new CMO_INT32(CMO.CMO_ZERO),
1.12      tam       138:                         new CMO_INT32(CMO.CMO_DMS_GENERIC),
1.14      tam       139:                         new CMO_INT32(CMO.CMO_RECURSIVE_POLYNOMIAL),
1.9       tam       140:                         new CMO_INT32(CMO.CMO_DISTRIBUTED_POLYNOMIAL),
1.14      tam       141:                         new CMO_INT32(CMO.CMO_POLYNOMIAL_IN_ONE_VARIABLE),
1.12      tam       142:                         new CMO_INT32(CMO.CMO_BIGFLOAT),
                    143:                         new CMO_INT32(CMO.CMO_INDETERMINATE),
                    144:                         new CMO_INT32(CMO.CMO_TREE)};
1.15      tam       145:       CMO[] DataFormat1 = {new CMO_INT32(OpenXM.OX_DATA),
                    146:                           new CMO_LIST(CMOFormat)};
                    147:       CMO[] list = {new CMO_LIST(DataFormat1)};
                    148:
1.7       tam       149:       mathcap[2] = new CMO_LIST(list);
                    150:     }
                    151:
1.8       tam       152:     stack.push(new CMO_MATHCAP(new CMO_LIST(mathcap)));
                    153:     debug("push: "+ stack.peek());
1.7       tam       154:   }
                    155:
1.25      tam       156:   private void SM_setMathCap() throws java.io.IOException{
                    157:     Object mathcap = stack.pop();
                    158:
                    159:     if(mathcap instanceof CMO_MATHCAP){
                    160:       stack.push(new CMO_ERROR2());
                    161:     }
                    162:     ox.setMathCap((CMO_MATHCAP)mathcap);
                    163:   }
                    164:
1.1       tam       165:   private void StackMachine(SM mesg) throws java.io.IOException{
1.4       tam       166:     debug("receive: "+mesg);
                    167:
1.1       tam       168:     switch(mesg.getCode()){
                    169:     case SM.SM_popCMO:
                    170:       SM_popCMO();
                    171:       break;
                    172:
                    173:     case SM.SM_executeFunction:
                    174:       SM_executeFunction();
1.7       tam       175:       break;
                    176:
                    177:     case SM.SM_mathcap:
                    178:       SM_mathcap();
1.25      tam       179:       break;
                    180:
                    181:     case SM.SM_setMathCap:
                    182:       SM_setMathCap();
1.1       tam       183:       break;
                    184:
                    185:     default:
                    186:       System.out.println("received "+ mesg);
                    187:     }
                    188:   }
                    189:
                    190:   private CMO CMO2OMXML(CMO obj){
1.11      tam       191:     String str;
                    192:
                    193:     try{
                    194:       str = OM2OXM.CMO2OM(obj);
                    195:     }catch(NumberFormatException e){
                    196:       debug("CMO2OMXML occuered error in trans");
                    197:       return new CMO_ERROR2(new CMO_STRING(e.toString()));
                    198:     }
1.1       tam       199:
                    200:     return new CMO_STRING(str);
                    201:   }
                    202:
                    203:   private CMO OMXML2CMO(CMO obj){
                    204:     OM2OXM trans = new OM2OXM();
                    205:     //StringBufferInputStream stream;
                    206:     ByteArrayInputStream stream;
                    207:     CMO ret;
                    208:
1.5       tam       209:     debug("OMXML2CMO called: "+obj);
1.6       tam       210:     if(!(obj instanceof CMO_STRING)){
1.11      tam       211:       return new CMO_ERROR2(new CMO_STRING("It's not CMO_STRING."));
1.1       tam       212:     }
                    213:
                    214:     try{
                    215:       stream = new ByteArrayInputStream(((CMO_STRING)obj).getString().getBytes());
                    216:       ret = trans.parse(stream);
                    217:     }catch(IOException e){
1.11      tam       218:       debug("OMXML2CMO occuered error in trans");
                    219:       return new CMO_ERROR2(new CMO_STRING(e.toString()));
                    220:     }catch(NumberFormatException e){
1.6       tam       221:       debug("OMXML2CMO occuered error in trans");
1.1       tam       222:       return new CMO_ERROR2(new CMO_STRING(e.toString()));
                    223:     }
                    224:
1.4       tam       225:     debug("push: "+ret);
1.1       tam       226:     return ret;
1.4       tam       227:   }
                    228:
                    229:   private void debug(String str){
                    230:     if(debug){
                    231:       System.out.println(str);
                    232:     }
1.1       tam       233:   }
                    234:
1.2       tam       235:   private static String usage(){
                    236:     String ret = "";
                    237:
                    238:     ret += "usage\t: java OMproxy [options]\n";
                    239:     ret += "options\t:\n";
                    240:     ret += "\t -h \t show this message\n";
                    241:     ret += "\t -host hostname \t (default localhost)\n";
                    242:     ret += "\t -data port \t (default 1300)\n";
                    243:     ret += "\t -control port \t (default 1200)\n";
1.8       tam       244:     ret += "\t -insecure \t this version ignore this option\n";
1.22      tam       245:     ret += "\t -debug \t display debug messages\n";
1.2       tam       246:
                    247:     return ret;
                    248:   }
                    249:
1.1       tam       250:   public static void main(String argv[]){
                    251:     String host = "localhost";
                    252:     int DataPort = 1300, ControlPort = 1200;
1.22      tam       253:     boolean debug = false;
1.1       tam       254:
                    255:     for(int i=0;i<argv.length;i++){
                    256:       if(argv[i].equals("-h")){
1.2       tam       257:        System.out.print(usage());
1.1       tam       258:        System.exit(0);
                    259:       }else if(argv[i].equals("-host")){
                    260:        host = argv[++i];
                    261:       }else if(argv[i].equals("-data")){
                    262:        DataPort = Integer.valueOf(argv[++i]).intValue();
                    263:       }else if(argv[i].equals("-control")){
                    264:        ControlPort = Integer.valueOf(argv[++i]).intValue();
1.8       tam       265:       }else if(argv[i].equals("-insecure")){
1.22      tam       266:       }else if(argv[i].equals("-debug")){
                    267:        debug = true;
1.1       tam       268:       }else{
1.2       tam       269:        System.err.println("unknown option : "+ argv[i]);
                    270:        System.err.print(usage());
1.1       tam       271:        System.exit(1);
                    272:       }
                    273:     }
1.2       tam       274:
1.1       tam       275:     System.out.println("host(ctrl,data): "+ host
                    276:                       +"("+ ControlPort +","+ DataPort +")");
                    277:
                    278:     try{
1.22      tam       279:       new OMproxy(host,ControlPort,DataPort).debug = debug;
1.1       tam       280:       System.out.println("connected.");
                    281:     }catch(IOException e){
                    282:       System.err.println("Error occured: "+ e);
                    283:       System.err.println(e.getLocalizedMessage());
                    284:       System.err.println(e.getMessage());
                    285:     }
                    286:   }
                    287: }

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