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1.1 root 1: /* acserver1.c - generic server dispatch */
2:
3: #ifndef lint
4: static char *rcsid = "$Header: /f/osi/acsap/RCS/acserver1.c,v 7.2 90/07/09 14:30:45 mrose Exp $";
5: #endif
6:
7: /*
8: * $Header: /f/osi/acsap/RCS/acserver1.c,v 7.2 90/07/09 14:30:45 mrose Exp $
9: *
10: *
11: * $Log: acserver1.c,v $
12: * Revision 7.2 90/07/09 14:30:45 mrose
13: * sync
14: *
15: * Revision 7.1 90/02/19 13:07:05 mrose
16: * update
17: *
18: * Revision 7.0 89/11/23 21:22:02 mrose
19: * Release 6.0
20: *
21: */
22:
23: /*
24: * NOTICE
25: *
26: * Acquisition, use, and distribution of this module and related
27: * materials are subject to the restrictions of a license agreement.
28: * Consult the Preface in the User's Manual for the full terms of
29: * this agreement.
30: *
31: */
32:
33:
34: /* LINTLIBRARY */
35:
36: #include <signal.h>
37: #include "psap.h"
38: #include "tsap.h"
39: #include <sys/ioctl.h>
40: #ifdef BSD42
41: #include <sys/file.h>
42: #endif
43: #ifdef SYS5
44: #include <fcntl.h>
45: #endif
46: #include "tailor.h"
47:
48: /* */
49:
50: int isodeserver (argc, argv, aei, initfnx, workfnx, losefnx, td)
51: int argc;
52: char **argv;
53: AEI aei;
54: IFP initfnx,
55: workfnx,
56: losefnx;
57: struct TSAPdisconnect *td;
58: {
59: int fd,
60: nfds,
61: vecp;
62: fd_set ifds,
63: mask;
64: char *vec[4];
65:
66: isodetailor (NULLCP, 0);
67:
68: nfds = 0;
69: FD_ZERO (&mask);
70:
71: if (argc > 1) {
72: if ((fd = (*initfnx) (argc, argv)) == NOTOK)
73: return tsaplose (td, DR_NETWORK, NULLCP, "initialization failed");
74:
75: nfds = fd + 1;
76: FD_SET (fd, &mask);
77: }
78: else {
79: struct PSAPaddr *pa;
80:
81: if ((pa = aei2addr (aei)) == NULLPA)
82: return tsaplose (td, DR_ADDRESS, NULLCP,
83: "address translation failed");
84:
85: if (TNetListen (&pa -> pa_addr.sa_addr, td) == NOTOK)
86: return NOTOK;
87:
88: if (!isatty (2)) {
89: int i;
90:
91: for (i = 0; i < 5; i++) {
92: switch (fork ()) {
93: case NOTOK:
94: sleep (5);
95: continue;
96:
97: case OK:
98: break;
99:
100: default:
101: _exit (0);
102: }
103: break;
104: }
105:
106: (void) chdir ("/");
107:
108: if ((fd = open ("/dev/null", O_RDWR)) != NOTOK) {
109: if (fd != 0)
110: (void) dup2 (fd, 0), (void) close (fd);
111: (void) dup2 (0, 1);
112: (void) dup2 (0, 2);
113: }
114:
115: #ifdef SETSID
116: (void) setsid ();
117: #endif
118: #ifdef TIOCNOTTY
119: if ((fd = open ("/dev/tty", O_RDWR)) != NOTOK) {
120: (void) ioctl (fd, TIOCNOTTY, NULLCP);
121: (void) close (fd);
122: }
123: #else
124: #ifdef SYS5
125: (void) setpgrp ();
126: (void) signal (SIGINT, SIG_IGN);
127: (void) signal (SIGQUIT, SIG_IGN);
128: #endif
129: #endif
130: isodexport (NULLCP); /* re-initialize logfiles */
131: }
132: }
133:
134: for (;;) {
135: ifds = mask;
136: if (TNetAccept (&vecp, vec, nfds, &ifds, NULLFD, NULLFD, NOTOK, td)
137: == NOTOK) {
138: (void) (*losefnx) (td);
139: continue;
140: }
141:
142: if (vecp > 0 && (fd = (*initfnx) (vecp, vec)) != NOTOK) {
143: if (fd >= nfds)
144: nfds = fd + 1;
145: FD_SET (fd, &mask);
146: }
147:
148: for (fd = 0; fd < nfds; fd++)
149: if (FD_ISSET (fd, &ifds)) {
150: if (workfnx == NULLIFP) {
151: (void) TNetClose (NULLTA, td);
152: return tsaplose (td, DR_OPERATION, NULLCP,
153: "no worker routine for connected fd");
154: }
155:
156: if ((*workfnx) (fd) == NOTOK) {
157: if (nfds == fd + 1)
158: nfds--;
159: FD_CLR (fd, &mask);
160: if (argc > 1) {
161: int xd;
162:
163: for (xd = 0; xd < nfds; xd++)
164: if (FD_ISSET (xd, &mask))
165: break;
166: if (xd >= nfds)
167: return OK;
168: }
169: }
170: }
171: }
172: }
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