Annotation of OpenXM/src/OpenMath/OMproxy.java, Revision 1.7
1.2 tam 1: /**
1.7 ! tam 2: * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.6 1999/11/04 18:38:59 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();
1.4 tam 12: private boolean debug = true;
1.1 tam 13:
14: public OMproxy(String host,int ControlPort,int DataPort) throws IOException{
15: ox = new OpenXM(this,host,ControlPort,DataPort);
16: }
17:
18: public void run(){
19: OM2OXM P = new OM2OXM();
20:
21: try{
22: while(true){
23: synchronized(ox){
24: int ox_tag = ox.receiveOXtag();
25:
26: switch(ox_tag){
27: case OpenXM.OX_COMMAND:
28: StackMachine(ox.receiveSM());
29: break;
30:
31: case OpenXM.OX_DATA:
32: stack.push(ox.receiveCMO());
1.4 tam 33: debug("push: "+ stack.peek());
1.1 tam 34: break;
35: }
36: }
37: }
38: }catch(java.io.IOException e){
39: System.err.println(e.getMessage());
40: e.printStackTrace();
41: }
42:
43: System.out.println("breaking...");
44: }
45:
46: public void stop(){
47: System.out.println("OMproxy Stoping...");
48: synchronized(ox){
49: //this.stop();
50: while(!stack.empty()){
51: stack.pop();
52: }
53: System.out.println("OMproxy Stopped");
54: }
55: }
56:
57: private void SM_popCMO() throws java.io.IOException{
58: if(stack.empty()){
59: ox.send(new CMO_NULL());
60: }else{
61: ox.send(stack.pop());
62: }
63: }
64:
65: private void SM_executeFunction() throws java.io.IOException{
66: String function_name;
67: CMO[] argv;
1.3 tam 68: int argc = 1;
1.1 tam 69:
70: if(!(stack.peek() instanceof CMO_STRING)){
71: stack.push(new CMO_ERROR2());
72: return;
73: }
74: function_name = ((CMO_STRING)stack.pop()).getString();
1.3 tam 75: //argc = ((CMO_INT32)stack.pop()).intValue();
1.1 tam 76: argv = new CMO[argc];
77: for(int i=0;i<argc;i++){
78: argv[i] = (CMO)stack.pop();
79: }
80:
81: if(argc != 1){
82: stack.push(new CMO_ERROR2());
83: return;
84: }
85:
86: if(function_name.equals("OMXML2CMO")){
87: stack.push(OMXML2CMO(argv[0]));
88: return;
89: }else if(function_name.equals("CMO2OMXML")){
90: stack.push(CMO2OMXML(argv[0]));
91: return;
92: }
93:
94: stack.push(new CMO_ERROR2());
95: return;
96: }
97:
1.7 ! tam 98: private void SM_mathcap() throws java.io.IOException{
! 99: CMO[] mathcap = new CMO[3];
! 100:
! 101: {
! 102: CMO[] list = {new CMO_INT32(199911070),
! 103: new CMO_STRING("Ox_system=OMproxy.class"),
! 104: new CMO_STRING("Version=0.199911070"),
! 105: new CMO_STRING("HOSTTYPE=JAVA")};
! 106: mathcap[0] = new CMO_LIST(list);
! 107: }
! 108:
! 109: {
! 110: CMO[] list = {new CMO_INT32(SM.SM_popCMO),
! 111: new CMO_INT32(SM.SM_executeFunction),
! 112: new CMO_INT32(SM.SM_mathcap)};
! 113: mathcap[1] = new CMO_LIST(list);
! 114: }
! 115:
! 116: {
! 117: CMO[] DataFormat = {new CMO_INT32(OpenXM.OX_DATA)};
! 118: CMO[] CMOFormat = {new CMO_INT32(CMO.CMO_NULL),
! 119: new CMO_INT32(CMO.CMO_INT32),
! 120: new CMO_INT32(CMO.CMO_STRING),
! 121: new CMO_INT32(CMO.CMO_MONOMIAL32),
! 122: new CMO_INT32(CMO.CMO_ZZ),
! 123: new CMO_INT32(CMO.CMO_QQ),
! 124: new CMO_INT32(CMO.CMO_ZERO),
! 125: new CMO_INT32(CMO.CMO_DMS_GENERIC)};
! 126: CMO[] list = {new CMO_LIST(DataFormat),
! 127: new CMO_LIST(CMOFormat)};
! 128: mathcap[2] = new CMO_LIST(list);
! 129: }
! 130:
! 131: ox.send(new CMO_LIST(mathcap));
! 132: }
! 133:
1.1 tam 134: private void StackMachine(SM mesg) throws java.io.IOException{
1.4 tam 135: debug("receive: "+mesg);
136:
1.1 tam 137: switch(mesg.getCode()){
138: case SM.SM_popCMO:
139: SM_popCMO();
140: break;
141:
142: case SM.SM_executeFunction:
143: SM_executeFunction();
1.7 ! tam 144: break;
! 145:
! 146: case SM.SM_mathcap:
! 147: SM_mathcap();
1.1 tam 148: break;
149:
150: default:
151: System.out.println("received "+ mesg);
152: }
153: }
154:
155: private CMO CMO2OMXML(CMO obj){
156: String str = OM2OXM.CMO2OM(obj);
157:
158: return new CMO_STRING(str);
159: }
160:
161: private CMO OMXML2CMO(CMO obj){
162: OM2OXM trans = new OM2OXM();
163: //StringBufferInputStream stream;
164: ByteArrayInputStream stream;
165: CMO ret;
166:
1.5 tam 167: debug("OMXML2CMO called: "+obj);
1.6 tam 168: if(!(obj instanceof CMO_STRING)){
1.1 tam 169: return new CMO_ERROR2();
170: }
171:
172: try{
173: stream = new ByteArrayInputStream(((CMO_STRING)obj).getString().getBytes());
174: ret = trans.parse(stream);
175: }catch(IOException e){
1.6 tam 176: debug("OMXML2CMO occuered error in trans");
1.1 tam 177: return new CMO_ERROR2(new CMO_STRING(e.toString()));
178: }
179:
1.4 tam 180: debug("push: "+ret);
1.1 tam 181: return ret;
1.4 tam 182: }
183:
184: private void debug(String str){
185: if(debug){
186: System.out.println(str);
187: }
1.1 tam 188: }
189:
1.2 tam 190: private static String usage(){
191: String ret = "";
192:
193: ret += "usage\t: java OMproxy [options]\n";
194: ret += "options\t:\n";
195: ret += "\t -h \t show this message\n";
196: ret += "\t -host hostname \t (default localhost)\n";
197: ret += "\t -data port \t (default 1300)\n";
198: ret += "\t -control port \t (default 1200)\n";
199:
200: return ret;
201: }
202:
1.1 tam 203: public static void main(String argv[]){
204: String host = "localhost";
205: int DataPort = 1300, ControlPort = 1200;
206:
207: for(int i=0;i<argv.length;i++){
208: if(argv[i].equals("-h")){
1.2 tam 209: System.out.print(usage());
1.1 tam 210: System.exit(0);
211: }else if(argv[i].equals("-host")){
212: host = argv[++i];
213: }else if(argv[i].equals("-data")){
214: DataPort = Integer.valueOf(argv[++i]).intValue();
215: }else if(argv[i].equals("-control")){
216: ControlPort = Integer.valueOf(argv[++i]).intValue();
217: }else{
1.2 tam 218: System.err.println("unknown option : "+ argv[i]);
219: System.err.print(usage());
1.1 tam 220: System.exit(1);
221: }
222: }
1.2 tam 223:
1.1 tam 224: System.out.println("host(ctrl,data): "+ host
225: +"("+ ControlPort +","+ DataPort +")");
226:
227: try{
228: new OMproxy(host,ControlPort,DataPort);
229: System.out.println("connected.");
230: }catch(IOException e){
231: System.err.println("Error occured: "+ e);
232: System.err.println(e.getLocalizedMessage());
233: System.err.println(e.getMessage());
234: }
235: }
236: }
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