Annotation of OpenXM_contrib2/asir2000/io/ox_launch.c, Revision 1.11
1.3 noro 1: /*
2: * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
3: * All rights reserved.
4: *
5: * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
6: * non-exclusive and royalty-free license to use, copy, modify and
7: * redistribute, solely for non-commercial and non-profit purposes, the
8: * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
9: * conditions of this Agreement. For the avoidance of doubt, you acquire
10: * only a limited right to use the SOFTWARE hereunder, and FLL or any
11: * third party developer retains all rights, including but not limited to
12: * copyrights, in and to the SOFTWARE.
13: *
14: * (1) FLL does not grant you a license in any way for commercial
15: * purposes. You may use the SOFTWARE only for non-commercial and
16: * non-profit purposes only, such as academic, research and internal
17: * business use.
18: * (2) The SOFTWARE is protected by the Copyright Law of Japan and
19: * international copyright treaties. If you make copies of the SOFTWARE,
20: * with or without modification, as permitted hereunder, you shall affix
21: * to all such copies of the SOFTWARE the above copyright notice.
22: * (3) An explicit reference to this SOFTWARE and its copyright owner
23: * shall be made on your publication or presentation in any form of the
24: * results obtained by use of the SOFTWARE.
25: * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.4 noro 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.3 noro 27: * for such modification or the source code of the modified part of the
28: * SOFTWARE.
29: *
30: * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
31: * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
32: * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
33: * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
34: * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
35: * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
36: * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
37: * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
38: * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
39: * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
40: * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
41: * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
42: * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
43: * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
44: * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
45: * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
46: * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
1.11 ! noro 47: * $OpenXM: OpenXM_contrib2/asir2000/io/ox_launch.c,v 1.10 2000/11/08 06:21:17 noro Exp $
1.3 noro 48: */
1.2 noro 49: #include <setjmp.h>
50: #include <signal.h>
51: #include <fcntl.h>
1.1 noro 52: #include "ca.h"
53: #include "com.h"
54: #include "ox.h"
55: #if defined(VISUAL)
1.7 noro 56: #include <stdlib.h>
1.1 noro 57: #include <windows.h>
58: #include <io.h>
59: #include <fcntl.h>
60: #include <process.h>
61: #else
62: #include <sys/file.h>
63: #include <sys/types.h>
64: #include <sys/stat.h>
65: #include <pwd.h>
66: #endif
67:
68: #if defined(SYSV)
69: #include <unistd.h>
70: #endif
71:
72: #if defined(VISUAL)
73: HANDLE hIntr,hReset,hKill;
74: #endif
75:
76: static void put_log(char *);
77: static int which_command(char *,char *);
78: static int search_command(char *);
1.10 noro 79: static int ox_spawn(char *,int,char *,int);
1.1 noro 80: static void launch_error(char *);
81: static int ox_io_init(int);
82: static void push_one(Obj);
83: static Obj pop_one();
84: static void do_cmd(int);
85:
86: static Obj *asir_OperandStack;
87: static int asir_OperandStackPtr;
88:
89: static char hostname[BUFSIZ];
90: static int sindex;
91: static struct sockaddr_in peer;
92: static int cpid;
93:
94: static void put_log(str)
95: char *str;
96: {
97: static FILE *logfile;
98:
99: if ( !logfile )
100: logfile = fopen("/tmp/ox_log","w");
101: fprintf(logfile,"%s\n",str);
102: fflush(logfile);
103: }
104:
105: #if !defined(VISUAL)
106: static int which_command(com,file)
107: char *com,*file;
108: {
109: char *c,*s;
110: int len;
111: char dir[BUFSIZ],path[BUFSIZ];
112:
113: for ( s = (char *)getenv("PATH"); s; ) {
114: c = (char *)index(s,':');
115: if ( c ) {
116: len = c-s;
117: strncpy(dir,s,len); s = c+1; dir[len] = 0;
118: } else {
119: strcpy(dir,s); s = 0;
120: }
121: sprintf(path,"%s/%s",dir,com);
122: if ( search_command(path) ) {
123: strcpy(file,path); return 1;
124: }
125: }
126: file[0] = 0; return 0;
127: }
128:
129: static int search_command(file)
130: char *file;
131: {
132: struct stat buf;
133:
134: if ( stat(file,&buf) || (buf.st_mode & S_IFDIR) )
135: return 0;
136: if ( access(file,X_OK) )
137: return 0;
138: else
139: return 1;
140: }
141: #endif
142:
143: /*
144: argv[1] : host to connect
145: argv[2] : if 1, call try_bind_listen and try_accept
146: if 0, call try_connect
147: argv[3] : control_port
148: argv[4] : server_port
149: argv[5] : server
150: argv[6] : display or "0"
1.10 noro 151: argv[7] : if exists, it should be "-nolog"
1.1 noro 152: */
153:
154: void launch_main(argc,argv)
155: int argc;
156: char **argv;
157: {
158: int id;
159: Obj p,obj;
160: char *name;
161: char buf[BUFSIZ];
162: int cs,ss;
163: unsigned int cmd;
1.10 noro 164: int use_unix,accept_client,nolog;
1.1 noro 165: char *control_port_str,*server_port_str;
166: char *rhost,*server,*dname;
167:
168: GC_init(); nglob_init();
169: gethostname(hostname,BUFSIZ);
170: rhost = argv[1];
171: use_unix = !strcmp(rhost,".") ? 1 : 0;
172: accept_client = atoi(argv[2]) ? 1 : 0;
173: control_port_str = argv[3];
174: server_port_str = argv[4];
175: server = argv[5];
176: dname = argv[6];
1.10 noro 177: nolog = argc > 7 ? 1 : 0;
1.1 noro 178:
179: #if defined(VISUAL)
180: init_socket();
181: #endif
182:
183: signal(SIGINT,SIG_IGN);
184: #if defined(SIGUSR1)
185: signal(SIGUSR1,SIG_IGN);
186: #endif
187:
188: if ( accept_client ) {
189: cs = try_bind_listen(use_unix,control_port_str);
190: ss = try_bind_listen(use_unix,server_port_str);
191: cs = try_accept(use_unix,cs);
192: ss = try_accept(use_unix,ss);
193: } else {
194: cs = try_connect(use_unix,rhost,control_port_str);
195: ss = try_connect(use_unix,rhost,server_port_str);
196: }
197: ox_io_init(cs);
198: if ( cs < 0 || ss < 0 )
199: launch_error("cannot connect to the client");
1.10 noro 200: cpid = ox_spawn(server,ss,dname,nolog);
1.1 noro 201:
202: while ( 1 ) {
203: ox_recv(sindex,&id,&obj);
204: switch ( id ) {
205: case OX_COMMAND:
206: cmd = ((USINT)obj)->body;
207: do_cmd(cmd);
208: break;
209: case OX_DATA:
210: push_one(obj);
211: break;
212: case OX_SYNC_BALL:
213: break;
214: default:
215: break;
216: }
217: }
218: }
219:
220: #if defined(VISUAL)
221: static void do_cmd(cmd)
222: int cmd;
223: {
224: USINT t;
225: int id,cindex;
226: int bport,sport;
227: int bs,bs0;
228: STRING prog,dname;
229:
230: switch ( cmd ) {
231: case SM_shutdown:
232: SetEvent(hKill);
1.8 noro 233: ExitProcess(0);
234: break;
1.1 noro 235: case SM_control_intr:
236: SetEvent(hIntr);
237: break;
238: case SM_control_kill:
239: SetEvent(hKill);
240: break;
241: case SM_control_reset_connection:
242: MKUSINT(t,0);
243: ox_send_data(sindex,t);
244: SetEvent(hReset);
245: break;
246: default:
247: break;
248: }
249: }
250: #else
251: static void do_cmd(cmd)
252: int cmd;
253: {
254: USINT t;
255: int id,cindex;
256: int bport,sport;
257: int bs,bs0;
258: int status;
259: STRING prog,dname;
260:
261: switch ( cmd ) {
262: case SM_shutdown:
263: kill(cpid,SIGKILL);
264: exit(0); break;
265: case SM_control_intr:
266: kill(cpid,SIGINT);
267: break;
268: case SM_control_kill:
269: kill(cpid,SIGKILL);
270: break;
271: case SM_control_reset_connection:
272: MKUSINT(t,0);
273: ox_send_data(sindex,t);
274: kill(cpid,SIGUSR1);
275: break;
276: default:
277: break;
278: }
279: }
280: #endif
281:
1.10 noro 282: static int ox_spawn(prog,bs,dname,nolog)
1.1 noro 283: char *prog;
284: int bs;
285: char *dname;
1.10 noro 286: int nolog;
1.1 noro 287: {
288: #if defined(VISUAL)
289: char *av[BUFSIZ];
290: char sock_id[BUFSIZ],ox_intr[BUFSIZ],ox_reset[BUFSIZ],ox_kill[BUFSIZ];
291: char AsirExe[BUFSIZ];
292: HANDLE hProc;
293: STRING rootdir;
294: int mypid;
1.7 noro 295: int newbs;
1.1 noro 296:
1.7 noro 297: DuplicateHandle(GetCurrentProcess(),(HANDLE)bs,
298: GetCurrentProcess(),(HANDLE *)&newbs,
299: 0,TRUE,DUPLICATE_SAME_ACCESS);
300: close(bs);
301: bs = newbs;
302:
1.1 noro 303: mypid = GetCurrentProcessId();
304: sprintf(ox_intr,"ox_intr_%d",mypid);
305: sprintf(ox_reset,"ox_reset_%d",mypid);
306: sprintf(ox_kill,"ox_kill_%d",mypid);
307: hIntr = CreateEvent(NULL,TRUE,FALSE,ox_intr);
308: hReset = CreateEvent(NULL,TRUE,FALSE,ox_reset);
309: hKill = CreateEvent(NULL,TRUE,FALSE,ox_kill);
310: sprintf(sock_id,"%d",bs);
311: av[0] = prog;
312: av[1] = sock_id;
1.7 noro 313: av[2] = dname; /* if dname == "1" then a message window is opened */
314: av[3] = ox_intr;
315: av[4] = ox_reset;
316: av[5] = ox_kill;
317: av[6] = NULL;
1.1 noro 318: Pget_rootdir(&rootdir);
1.9 noro 319: sprintf(AsirExe,"%s\\bin\\engine.exe",BDY(rootdir));
1.7 noro 320: _fileinfo = 1;
1.1 noro 321: hProc = _spawnv(_P_NOWAIT,AsirExe,av);
322: return (int)hProc;
323: #else /* VISUAL */
324: int b,s,i;
325: struct hostent *hp;
326: int pid;
327: char wname[BUFSIZ];
328: char buf[BUFSIZ];
1.5 noro 329: char errcode;
1.1 noro 330:
331: pid = fork();
332: if ( pid )
333: return pid;
334: else {
335: setpgid(0,getpid());
336: if ( dup2(bs,3) != 3 )
337: exit(1);
338: if ( dup2(bs,4) != 4 )
339: exit(1);
340: {
341: #if defined(linux) || defined(__NeXT__) || defined(ultrix)
342: #include <sys/param.h>
343: close(0);
344: for ( i = 5; i < NOFILE; i++ )
345: close(i);
346: #else
347: #include <sys/resource.h>
348: struct rlimit rl;
349:
350: getrlimit(RLIMIT_NOFILE,&rl);
351: close(0);
352: for ( i = 5; i < rl.rlim_cur; i++ )
353: close(i);
354: #endif
355: }
1.6 noro 356: if ( !strcmp(dname,"1" ) ) /* XXX: for ssh */
357: execl(prog,prog,0);
1.10 noro 358: else if ( nolog || !strcmp(dname,"0") ) {
1.1 noro 359: FILE *null;
360:
361: null = fopen("/dev/null","wb");
362: dup2(fileno(null),1);
363: dup2(fileno(null),2);
1.11 ! noro 364: if ( strcmp(dname,"0") )
! 365: execl(prog,prog,"-display",dname,0);
! 366: else {
1.10 noro 367: putenv("DISPLAY=");
368: execl(prog,prog,0);
1.11 ! noro 369: }
1.6 noro 370: } else
371: execl(prog,prog,"-display",dname,0);
1.5 noro 372: /* On failure */
373: errcode = 2;
374: write(4,&errcode,1);
375: exit(1);
1.1 noro 376: }
377: #endif
378: }
379:
380: static void launch_error(s)
381: char *s;
382: {
383: exit(0);
384: }
385:
386: static int ox_io_init(sock)
387: int sock;
388: {
389: endian_init();
390: /* server mode */
391: sindex = get_iofp(sock,0,1);
392: asir_OperandStack = (Obj *)CALLOC(BUFSIZ,sizeof(Obj));
393: asir_OperandStackPtr = -1;
394: }
395:
396: static void push_one(obj)
397: Obj obj;
398: {
399: if ( !obj || OID(obj) != O_VOID )
400: asir_OperandStack[++asir_OperandStackPtr] = obj;
401: }
402:
403: static Obj pop_one() {
404: if ( asir_OperandStackPtr >= 0 ) {
405: return asir_OperandStack[asir_OperandStackPtr--];
406: }
407: }
408:
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