Annotation of OpenXM/src/OpenMath/OMproxy.java, Revision 1.26
1.2 tam 1: /**
1.26 ! tam 2: * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.25 2000/01/20 18:55:22 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){
68: stack.push(new CMO_STRING(e.getMessage()));
1.1 tam 69: }
70: }
71:
72: private void SM_executeFunction() throws java.io.IOException{
73: String function_name;
74: CMO[] argv;
1.26 ! tam 75: int argc;
1.1 tam 76:
77: if(!(stack.peek() instanceof CMO_STRING)){
78: stack.push(new CMO_ERROR2());
79: return;
80: }
81: function_name = ((CMO_STRING)stack.pop()).getString();
1.26 ! tam 82: argc = ((CMO_INT32)stack.pop()).intValue();
1.1 tam 83: argv = new CMO[argc];
84: for(int i=0;i<argc;i++){
85: argv[i] = (CMO)stack.pop();
86: }
87:
88: if(argc != 1){
89: stack.push(new CMO_ERROR2());
90: return;
91: }
92:
93: if(function_name.equals("OMXML2CMO")){
94: stack.push(OMXML2CMO(argv[0]));
95: return;
96: }else if(function_name.equals("CMO2OMXML")){
97: stack.push(CMO2OMXML(argv[0]));
98: return;
99: }
100:
101: stack.push(new CMO_ERROR2());
102: return;
103: }
104:
1.7 tam 105: private void SM_mathcap() throws java.io.IOException{
106: CMO[] mathcap = new CMO[3];
107:
108: {
1.9 tam 109: CMO[] list = {new CMO_INT32(version),
1.7 tam 110: new CMO_STRING("Ox_system=OMproxy.class"),
1.9 tam 111: new CMO_STRING("Version=0."+ version),
1.7 tam 112: new CMO_STRING("HOSTTYPE=JAVA")};
113: mathcap[0] = new CMO_LIST(list);
114: }
115:
116: {
117: CMO[] list = {new CMO_INT32(SM.SM_popCMO),
118: new CMO_INT32(SM.SM_executeFunction),
1.10 tam 119: new CMO_INT32(SM.SM_mathcap),
1.18 tam 120: new CMO_INT32(SM.SM_setMathCap),
1.10 tam 121: new CMO_INT32(SM.SM_control_kill),
122: new CMO_INT32(SM.SM_control_reset_connection)};
1.7 tam 123: mathcap[1] = new CMO_LIST(list);
124: }
125:
126: {
127: CMO[] CMOFormat = {new CMO_INT32(CMO.CMO_NULL),
128: new CMO_INT32(CMO.CMO_INT32),
129: new CMO_INT32(CMO.CMO_STRING),
1.9 tam 130: new CMO_INT32(CMO.CMO_LIST),
1.7 tam 131: new CMO_INT32(CMO.CMO_MONOMIAL32),
132: new CMO_INT32(CMO.CMO_ZZ),
133: new CMO_INT32(CMO.CMO_QQ),
134: new CMO_INT32(CMO.CMO_ZERO),
1.12 tam 135: new CMO_INT32(CMO.CMO_DMS_GENERIC),
1.14 tam 136: new CMO_INT32(CMO.CMO_RECURSIVE_POLYNOMIAL),
1.9 tam 137: new CMO_INT32(CMO.CMO_DISTRIBUTED_POLYNOMIAL),
1.14 tam 138: new CMO_INT32(CMO.CMO_POLYNOMIAL_IN_ONE_VARIABLE),
1.12 tam 139: new CMO_INT32(CMO.CMO_BIGFLOAT),
140: new CMO_INT32(CMO.CMO_INDETERMINATE),
141: new CMO_INT32(CMO.CMO_TREE)};
1.15 tam 142: CMO[] DataFormat1 = {new CMO_INT32(OpenXM.OX_DATA),
143: new CMO_LIST(CMOFormat)};
144: CMO[] list = {new CMO_LIST(DataFormat1)};
145:
1.7 tam 146: mathcap[2] = new CMO_LIST(list);
147: }
148:
1.8 tam 149: stack.push(new CMO_MATHCAP(new CMO_LIST(mathcap)));
150: debug("push: "+ stack.peek());
1.7 tam 151: }
152:
1.25 tam 153: private void SM_setMathCap() throws java.io.IOException{
154: Object mathcap = stack.pop();
155:
156: if(mathcap instanceof CMO_MATHCAP){
157: stack.push(new CMO_ERROR2());
158: }
159: ox.setMathCap((CMO_MATHCAP)mathcap);
160: }
161:
1.1 tam 162: private void StackMachine(SM mesg) throws java.io.IOException{
1.4 tam 163: debug("receive: "+mesg);
164:
1.1 tam 165: switch(mesg.getCode()){
166: case SM.SM_popCMO:
167: SM_popCMO();
168: break;
169:
170: case SM.SM_executeFunction:
171: SM_executeFunction();
1.7 tam 172: break;
173:
174: case SM.SM_mathcap:
175: SM_mathcap();
1.25 tam 176: break;
177:
178: case SM.SM_setMathCap:
179: SM_setMathCap();
1.1 tam 180: break;
181:
182: default:
183: System.out.println("received "+ mesg);
184: }
185: }
186:
187: private CMO CMO2OMXML(CMO obj){
1.11 tam 188: String str;
189:
190: try{
191: str = OM2OXM.CMO2OM(obj);
192: }catch(NumberFormatException e){
193: debug("CMO2OMXML occuered error in trans");
194: return new CMO_ERROR2(new CMO_STRING(e.toString()));
195: }
1.1 tam 196:
197: return new CMO_STRING(str);
198: }
199:
200: private CMO OMXML2CMO(CMO obj){
201: OM2OXM trans = new OM2OXM();
202: //StringBufferInputStream stream;
203: ByteArrayInputStream stream;
204: CMO ret;
205:
1.5 tam 206: debug("OMXML2CMO called: "+obj);
1.6 tam 207: if(!(obj instanceof CMO_STRING)){
1.11 tam 208: return new CMO_ERROR2(new CMO_STRING("It's not CMO_STRING."));
1.1 tam 209: }
210:
211: try{
212: stream = new ByteArrayInputStream(((CMO_STRING)obj).getString().getBytes());
213: ret = trans.parse(stream);
214: }catch(IOException e){
1.11 tam 215: debug("OMXML2CMO occuered error in trans");
216: return new CMO_ERROR2(new CMO_STRING(e.toString()));
217: }catch(NumberFormatException e){
1.6 tam 218: debug("OMXML2CMO occuered error in trans");
1.1 tam 219: return new CMO_ERROR2(new CMO_STRING(e.toString()));
220: }
221:
1.4 tam 222: debug("push: "+ret);
1.1 tam 223: return ret;
1.4 tam 224: }
225:
226: private void debug(String str){
227: if(debug){
228: System.out.println(str);
229: }
1.1 tam 230: }
231:
1.2 tam 232: private static String usage(){
233: String ret = "";
234:
235: ret += "usage\t: java OMproxy [options]\n";
236: ret += "options\t:\n";
237: ret += "\t -h \t show this message\n";
238: ret += "\t -host hostname \t (default localhost)\n";
239: ret += "\t -data port \t (default 1300)\n";
240: ret += "\t -control port \t (default 1200)\n";
1.8 tam 241: ret += "\t -insecure \t this version ignore this option\n";
1.22 tam 242: ret += "\t -debug \t display debug messages\n";
1.2 tam 243:
244: return ret;
245: }
246:
1.1 tam 247: public static void main(String argv[]){
248: String host = "localhost";
249: int DataPort = 1300, ControlPort = 1200;
1.22 tam 250: boolean debug = false;
1.1 tam 251:
252: for(int i=0;i<argv.length;i++){
253: if(argv[i].equals("-h")){
1.2 tam 254: System.out.print(usage());
1.1 tam 255: System.exit(0);
256: }else if(argv[i].equals("-host")){
257: host = argv[++i];
258: }else if(argv[i].equals("-data")){
259: DataPort = Integer.valueOf(argv[++i]).intValue();
260: }else if(argv[i].equals("-control")){
261: ControlPort = Integer.valueOf(argv[++i]).intValue();
1.8 tam 262: }else if(argv[i].equals("-insecure")){
1.22 tam 263: }else if(argv[i].equals("-debug")){
264: debug = true;
1.1 tam 265: }else{
1.2 tam 266: System.err.println("unknown option : "+ argv[i]);
267: System.err.print(usage());
1.1 tam 268: System.exit(1);
269: }
270: }
1.2 tam 271:
1.1 tam 272: System.out.println("host(ctrl,data): "+ host
273: +"("+ ControlPort +","+ DataPort +")");
274:
275: try{
1.22 tam 276: new OMproxy(host,ControlPort,DataPort).debug = debug;
1.1 tam 277: System.out.println("connected.");
278: }catch(IOException e){
279: System.err.println("Error occured: "+ e);
280: System.err.println(e.getLocalizedMessage());
281: System.err.println(e.getMessage());
282: }
283: }
284: }
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