Annotation of OpenXM/src/OpenMath/OMproxy.java, Revision 1.10
1.2 tam 1: /**
1.10 ! tam 2: * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.9 1999/11/11 17:18:48 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;
1.9 tam 13: final int version = 199911110;
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.");
1.1 tam 23: try{
24: while(true){
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: }
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:
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{
60: if(stack.empty()){
61: ox.send(new CMO_NULL());
62: }else{
1.8 tam 63: debug("pushing CMO: "+ stack.peek());
1.1 tam 64: ox.send(stack.pop());
65: }
66: }
67:
68: private void SM_executeFunction() throws java.io.IOException{
69: String function_name;
70: CMO[] argv;
1.3 tam 71: int argc = 1;
1.1 tam 72:
73: if(!(stack.peek() instanceof CMO_STRING)){
74: stack.push(new CMO_ERROR2());
75: return;
76: }
77: function_name = ((CMO_STRING)stack.pop()).getString();
1.3 tam 78: //argc = ((CMO_INT32)stack.pop()).intValue();
1.1 tam 79: argv = new CMO[argc];
80: for(int i=0;i<argc;i++){
81: argv[i] = (CMO)stack.pop();
82: }
83:
84: if(argc != 1){
85: stack.push(new CMO_ERROR2());
86: return;
87: }
88:
89: if(function_name.equals("OMXML2CMO")){
90: stack.push(OMXML2CMO(argv[0]));
91: return;
92: }else if(function_name.equals("CMO2OMXML")){
93: stack.push(CMO2OMXML(argv[0]));
94: return;
95: }
96:
97: stack.push(new CMO_ERROR2());
98: return;
99: }
100:
1.7 tam 101: private void SM_mathcap() throws java.io.IOException{
102: CMO[] mathcap = new CMO[3];
103:
104: {
1.9 tam 105: CMO[] list = {new CMO_INT32(version),
1.7 tam 106: new CMO_STRING("Ox_system=OMproxy.class"),
1.9 tam 107: new CMO_STRING("Version=0."+ version),
1.7 tam 108: new CMO_STRING("HOSTTYPE=JAVA")};
109: mathcap[0] = new CMO_LIST(list);
110: }
111:
112: {
113: CMO[] list = {new CMO_INT32(SM.SM_popCMO),
114: new CMO_INT32(SM.SM_executeFunction),
1.10 ! tam 115: new CMO_INT32(SM.SM_mathcap),
! 116: new CMO_INT32(SM.SM_control_kill),
! 117: new CMO_INT32(SM.SM_control_reset_connection)};
1.7 tam 118: mathcap[1] = new CMO_LIST(list);
119: }
120:
121: {
122: CMO[] DataFormat = {new CMO_INT32(OpenXM.OX_DATA)};
123: CMO[] CMOFormat = {new CMO_INT32(CMO.CMO_NULL),
124: new CMO_INT32(CMO.CMO_INT32),
125: new CMO_INT32(CMO.CMO_STRING),
1.9 tam 126: new CMO_INT32(CMO.CMO_LIST),
1.7 tam 127: new CMO_INT32(CMO.CMO_MONOMIAL32),
128: new CMO_INT32(CMO.CMO_ZZ),
129: new CMO_INT32(CMO.CMO_QQ),
130: new CMO_INT32(CMO.CMO_ZERO),
1.9 tam 131: new CMO_INT32(CMO.CMO_DISTRIBUTED_POLYNOMIAL),
1.7 tam 132: new CMO_INT32(CMO.CMO_DMS_GENERIC)};
133: CMO[] list = {new CMO_LIST(DataFormat),
134: new CMO_LIST(CMOFormat)};
135: mathcap[2] = new CMO_LIST(list);
136: }
137:
1.8 tam 138: stack.push(new CMO_MATHCAP(new CMO_LIST(mathcap)));
139: debug("push: "+ stack.peek());
1.7 tam 140: }
141:
1.1 tam 142: private void StackMachine(SM mesg) throws java.io.IOException{
1.4 tam 143: debug("receive: "+mesg);
144:
1.1 tam 145: switch(mesg.getCode()){
146: case SM.SM_popCMO:
147: SM_popCMO();
148: break;
149:
150: case SM.SM_executeFunction:
151: SM_executeFunction();
1.7 tam 152: break;
153:
154: case SM.SM_mathcap:
155: SM_mathcap();
1.1 tam 156: break;
157:
158: default:
159: System.out.println("received "+ mesg);
160: }
161: }
162:
163: private CMO CMO2OMXML(CMO obj){
164: String str = OM2OXM.CMO2OM(obj);
165:
166: return new CMO_STRING(str);
167: }
168:
169: private CMO OMXML2CMO(CMO obj){
170: OM2OXM trans = new OM2OXM();
171: //StringBufferInputStream stream;
172: ByteArrayInputStream stream;
173: CMO ret;
174:
1.5 tam 175: debug("OMXML2CMO called: "+obj);
1.6 tam 176: if(!(obj instanceof CMO_STRING)){
1.1 tam 177: return new CMO_ERROR2();
178: }
179:
180: try{
181: stream = new ByteArrayInputStream(((CMO_STRING)obj).getString().getBytes());
182: ret = trans.parse(stream);
183: }catch(IOException e){
1.6 tam 184: debug("OMXML2CMO occuered error in trans");
1.1 tam 185: return new CMO_ERROR2(new CMO_STRING(e.toString()));
186: }
187:
1.4 tam 188: debug("push: "+ret);
1.1 tam 189: return ret;
1.4 tam 190: }
191:
192: private void debug(String str){
193: if(debug){
194: System.out.println(str);
195: }
1.1 tam 196: }
197:
1.2 tam 198: private static String usage(){
199: String ret = "";
200:
201: ret += "usage\t: java OMproxy [options]\n";
202: ret += "options\t:\n";
203: ret += "\t -h \t show this message\n";
204: ret += "\t -host hostname \t (default localhost)\n";
205: ret += "\t -data port \t (default 1300)\n";
206: ret += "\t -control port \t (default 1200)\n";
1.8 tam 207: ret += "\t -insecure \t this version ignore this option\n";
1.2 tam 208:
209: return ret;
210: }
211:
1.1 tam 212: public static void main(String argv[]){
213: String host = "localhost";
214: int DataPort = 1300, ControlPort = 1200;
215:
216: for(int i=0;i<argv.length;i++){
217: if(argv[i].equals("-h")){
1.2 tam 218: System.out.print(usage());
1.1 tam 219: System.exit(0);
220: }else if(argv[i].equals("-host")){
221: host = argv[++i];
222: }else if(argv[i].equals("-data")){
223: DataPort = Integer.valueOf(argv[++i]).intValue();
224: }else if(argv[i].equals("-control")){
225: ControlPort = Integer.valueOf(argv[++i]).intValue();
1.8 tam 226: }else if(argv[i].equals("-insecure")){
1.1 tam 227: }else{
1.2 tam 228: System.err.println("unknown option : "+ argv[i]);
229: System.err.print(usage());
1.1 tam 230: System.exit(1);
231: }
232: }
1.2 tam 233:
1.1 tam 234: System.out.println("host(ctrl,data): "+ host
235: +"("+ ControlPort +","+ DataPort +")");
236:
237: try{
238: new OMproxy(host,ControlPort,DataPort);
239: System.out.println("connected.");
240: }catch(IOException e){
241: System.err.println("Error occured: "+ e);
242: System.err.println(e.getLocalizedMessage());
243: System.err.println(e.getMessage());
244: }
245: }
246: }
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