1 |
gregl |
3.35 |
/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
2 |
gregl |
3.1 |
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3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ SGI"; |
5 |
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#endif |
6 |
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7 |
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/* |
8 |
|
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* Radiance holodeck generation controller |
9 |
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*/ |
10 |
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11 |
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#include "rholo.h" |
12 |
gregl |
3.14 |
#include "random.h" |
13 |
gregl |
3.12 |
#include <signal.h> |
14 |
gregl |
3.1 |
#include <sys/types.h> |
15 |
gregl |
3.12 |
#include <sys/stat.h> |
16 |
gregl |
3.1 |
|
17 |
gwlarson |
3.44 |
#ifndef FRAGWARN |
18 |
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#define FRAGWARN 20 /* fragmentation for warning (%) */ |
19 |
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#endif |
20 |
gregl |
3.33 |
#ifndef MAXQTIME |
21 |
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#define MAXQTIME 5 /* target maximum seconds in queue */ |
22 |
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#endif |
23 |
gregl |
3.1 |
/* the following must be consistent with rholo.h */ |
24 |
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int NVARS = NRHVARS; /* total number of variables */ |
25 |
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26 |
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VARIABLE vv[] = RHVINIT; /* variable-value pairs */ |
27 |
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28 |
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char *progname; /* our program name */ |
29 |
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char *hdkfile; /* holodeck file name */ |
30 |
gregl |
3.22 |
char froot[256]; /* root file name */ |
31 |
gregl |
3.1 |
|
32 |
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int ncprocs = 0; /* desired number of compute processes */ |
33 |
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34 |
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char *outdev = NULL; /* output device name */ |
35 |
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36 |
gregl |
3.17 |
int readinp = 0; /* read commands from stdin */ |
37 |
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38 |
gregl |
3.20 |
int force = 0; /* allow overwrite of holodeck */ |
39 |
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40 |
gregl |
3.1 |
time_t starttime; /* time we got started */ |
41 |
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time_t endtime; /* time we should end by */ |
42 |
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time_t reporttime; /* time for next report */ |
43 |
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44 |
gregl |
3.8 |
long maxdisk; /* maximum file space (bytes) */ |
45 |
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46 |
gregl |
3.1 |
int rtargc = 1; /* rtrace command */ |
47 |
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char *rtargv[128] = {"rtrace", NULL}; |
48 |
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49 |
gregl |
3.12 |
int orig_mode = -1; /* original file mode (-1 if unchanged) */ |
50 |
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51 |
gregl |
3.1 |
long nraysdone = 0L; /* number of rays done */ |
52 |
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long npacksdone = 0L; /* number of packets done */ |
53 |
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54 |
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PACKET *freepacks; /* available packets */ |
55 |
gwlarson |
3.38 |
int totqlen; /* maximum queue length when full */ |
56 |
gregl |
3.1 |
|
57 |
gregl |
3.12 |
char *sigerr[NSIG]; /* signal error messages */ |
58 |
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59 |
gwlarson |
3.40 |
extern int nowarn; /* turn warnings off? */ |
60 |
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61 |
gregl |
3.1 |
extern time_t time(); |
62 |
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63 |
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64 |
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main(argc, argv) |
65 |
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int argc; |
66 |
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char *argv[]; |
67 |
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{ |
68 |
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int i; |
69 |
gregl |
3.33 |
|
70 |
gregl |
3.18 |
initurand(16384); /* initialize urand */ |
71 |
gregl |
3.1 |
progname = argv[0]; /* get arguments */ |
72 |
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for (i = 1; i < argc && argv[i][0] == '-'; i++) |
73 |
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switch (argv[i][1]) { |
74 |
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case 'w': /* turn off warnings */ |
75 |
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nowarn++; |
76 |
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break; |
77 |
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case 'f': /* force overwrite */ |
78 |
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force++; |
79 |
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break; |
80 |
gregl |
3.17 |
case 'i': /* read input from stdin */ |
81 |
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readinp++; |
82 |
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break; |
83 |
gregl |
3.1 |
case 'n': /* compute processes */ |
84 |
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if (i >= argc-2) |
85 |
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goto userr; |
86 |
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ncprocs = atoi(argv[++i]); |
87 |
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break; |
88 |
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case 'o': /* output display */ |
89 |
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if (i >= argc-2) |
90 |
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goto userr; |
91 |
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outdev = argv[++i]; |
92 |
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break; |
93 |
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default: |
94 |
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goto userr; |
95 |
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} |
96 |
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/* get root file name */ |
97 |
gregl |
3.32 |
if (i >= argc) |
98 |
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goto userr; |
99 |
gregl |
3.1 |
rootname(froot, hdkfile=argv[i++]); |
100 |
gregl |
3.27 |
/* load variables? */ |
101 |
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if (i < argc) |
102 |
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if (argv[i][0] != '-' && argv[i][0] != '+') |
103 |
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loadvars(argv[i]); /* load variables from file */ |
104 |
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105 |
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if (i >= argc || argv[i][0] == '+') |
106 |
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loadholo(); /* load existing holodeck */ |
107 |
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108 |
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while (++i < argc) /* get command line settings */ |
109 |
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if (setvariable(argv[i], matchvar) < 0) { |
110 |
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sprintf(errmsg, "unknown variable: %s", argv[i]); |
111 |
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error(USER, errmsg); |
112 |
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} |
113 |
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/* check settings */ |
114 |
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checkvalues(); |
115 |
gregl |
3.36 |
/* load rad input file */ |
116 |
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getradfile(); |
117 |
gregl |
3.27 |
|
118 |
gregl |
3.28 |
if (hdlist[0] == NULL) { /* create new holodeck */ |
119 |
gregl |
3.29 |
HDGRID hdg[HDMAX]; |
120 |
gregl |
3.1 |
/* set defaults */ |
121 |
gregl |
3.29 |
setdefaults(hdg); |
122 |
gregl |
3.1 |
/* holodeck exists? */ |
123 |
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if (!force && access(hdkfile, R_OK|W_OK) == 0) |
124 |
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error(USER, |
125 |
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"holodeck file exists -- use -f to overwrite"); |
126 |
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/* create holodeck */ |
127 |
gregl |
3.29 |
creatholo(hdg); |
128 |
gregl |
3.27 |
} else /* else just set defaults */ |
129 |
gregl |
3.15 |
setdefaults(NULL); |
130 |
gregl |
3.1 |
/* initialize */ |
131 |
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initrholo(); |
132 |
gregl |
3.15 |
/* main loop */ |
133 |
gregl |
3.1 |
while (rholo()) |
134 |
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; |
135 |
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/* done */ |
136 |
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quit(0); |
137 |
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userr: |
138 |
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fprintf(stderr, |
139 |
gregl |
3.27 |
"Usage: %s [-n nprocs][-o disp][-w][-f] output.hdk [control.hif|+|- [VAR=val ..]]\n", |
140 |
gregl |
3.1 |
progname); |
141 |
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quit(1); |
142 |
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} |
143 |
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144 |
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145 |
gregl |
3.12 |
onsig(signo) /* fatal signal */ |
146 |
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int signo; |
147 |
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{ |
148 |
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static int gotsig = 0; |
149 |
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150 |
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if (gotsig++) /* two signals and we're gone! */ |
151 |
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_exit(signo); |
152 |
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153 |
gwlarson |
3.45 |
alarm(120); /* allow 2 minutes to clean up */ |
154 |
gregl |
3.12 |
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
155 |
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eputs("signal - "); |
156 |
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eputs(sigerr[signo]); |
157 |
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eputs("\n"); |
158 |
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quit(3); |
159 |
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} |
160 |
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161 |
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162 |
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sigdie(signo, msg) /* set fatal signal */ |
163 |
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int signo; |
164 |
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char *msg; |
165 |
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{ |
166 |
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if (signal(signo, onsig) == SIG_IGN) |
167 |
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signal(signo, SIG_IGN); |
168 |
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sigerr[signo] = msg; |
169 |
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} |
170 |
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171 |
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172 |
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int |
173 |
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resfmode(fd, mod) /* restrict open file access mode */ |
174 |
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int fd, mod; |
175 |
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{ |
176 |
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struct stat stbuf; |
177 |
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/* get original mode */ |
178 |
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if (fstat(fd, &stbuf) < 0) |
179 |
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error(SYSTEM, "cannot stat open holodeck file"); |
180 |
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mod &= stbuf.st_mode; /* always more restrictive */ |
181 |
gregl |
3.35 |
if (mod == (stbuf.st_mode & 0777)) |
182 |
gregl |
3.12 |
return(-1); /* already set */ |
183 |
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/* else change it */ |
184 |
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if (fchmod(fd, mod) < 0) { |
185 |
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error(WARNING, "cannot change holodeck file access mode"); |
186 |
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return(-1); |
187 |
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} |
188 |
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return(stbuf.st_mode); /* return original mode */ |
189 |
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} |
190 |
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191 |
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192 |
gregl |
3.1 |
initrholo() /* get our holodeck running */ |
193 |
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{ |
194 |
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extern int global_packet(); |
195 |
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register int i; |
196 |
gregl |
3.17 |
/* close holodeck on exec() */ |
197 |
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fcntl(hdlist[0]->fd, F_SETFD, FD_CLOEXEC); |
198 |
gregl |
3.4 |
|
199 |
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if (outdev != NULL) /* open output device */ |
200 |
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disp_open(outdev); |
201 |
gregl |
3.1 |
else if (ncprocs > 0) /* else use global ray feed */ |
202 |
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init_global(); |
203 |
gregl |
3.8 |
/* record disk space limit */ |
204 |
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if (!vdef(DISKSPACE)) |
205 |
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maxdisk = 0; |
206 |
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else |
207 |
gregl |
3.9 |
maxdisk = 1024.*1024.*vflt(DISKSPACE); |
208 |
gregl |
3.1 |
/* set up memory cache */ |
209 |
gregl |
3.5 |
if (outdev == NULL) |
210 |
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hdcachesize = 0; /* manual flushing */ |
211 |
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else if (vdef(CACHE)) |
212 |
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hdcachesize = 1024.*1024.*vflt(CACHE); |
213 |
gregl |
3.1 |
/* open report file */ |
214 |
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if (vdef(REPORT)) { |
215 |
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register char *s = sskip2(vval(REPORT), 1); |
216 |
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if (*s && freopen(s, "a", stderr) == NULL) |
217 |
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quit(2); |
218 |
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} |
219 |
gregl |
3.33 |
/* mark the starting time */ |
220 |
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starttime = time(NULL); |
221 |
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/* compute end time */ |
222 |
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if (!vdef(TIME) || vflt(TIME) <= FTINY) |
223 |
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endtime = 0; |
224 |
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else |
225 |
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endtime = starttime + vflt(TIME)*3600. + .5; |
226 |
gregl |
3.1 |
/* start rtrace */ |
227 |
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if (ncprocs > 0) { |
228 |
gwlarson |
3.38 |
totqlen = i = start_rtrace(); |
229 |
gregl |
3.1 |
if (i < 1) |
230 |
gregl |
3.20 |
error(USER, "cannot start rtrace process(es)"); |
231 |
gregl |
3.1 |
if (vdef(REPORT)) { /* make first report */ |
232 |
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printargs(rtargc, rtargv, stderr); |
233 |
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report(0); |
234 |
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} |
235 |
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/* allocate packets */ |
236 |
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freepacks = (PACKET *)bmalloc(i*sizeof(PACKET)); |
237 |
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if (freepacks == NULL) |
238 |
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goto memerr; |
239 |
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freepacks[--i].nr = 0; |
240 |
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freepacks[i].next = NULL; |
241 |
gregl |
3.25 |
if (!vdef(OBSTRUCTIONS) || !vbool(OBSTRUCTIONS)) { |
242 |
gregl |
3.1 |
freepacks[i].offset = (float *)bmalloc( |
243 |
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RPACKSIZ*sizeof(float)*(i+1) ); |
244 |
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if (freepacks[i].offset == NULL) |
245 |
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goto memerr; |
246 |
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} else |
247 |
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freepacks[i].offset = NULL; |
248 |
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while (i--) { |
249 |
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freepacks[i].nr = 0; |
250 |
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freepacks[i].offset = freepacks[i+1].offset == NULL ? |
251 |
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NULL : freepacks[i+1].offset+RPACKSIZ ; |
252 |
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freepacks[i].next = &freepacks[i+1]; |
253 |
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} |
254 |
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} |
255 |
gregl |
3.12 |
/* set up signal handling */ |
256 |
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sigdie(SIGINT, "Interrupt"); |
257 |
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sigdie(SIGHUP, "Hangup"); |
258 |
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sigdie(SIGTERM, "Terminate"); |
259 |
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sigdie(SIGPIPE, "Broken pipe"); |
260 |
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sigdie(SIGALRM, "Alarm clock"); |
261 |
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#ifdef SIGXCPU |
262 |
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sigdie(SIGXCPU, "CPU limit exceeded"); |
263 |
|
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sigdie(SIGXFSZ, "File size exceeded"); |
264 |
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#endif |
265 |
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/* protect holodeck file */ |
266 |
|
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orig_mode = resfmode(hdlist[0]->fd, ncprocs>0 ? 0 : 0444); |
267 |
gregl |
3.1 |
return; |
268 |
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memerr: |
269 |
|
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error(SYSTEM, "out of memory in initrholo"); |
270 |
|
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} |
271 |
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272 |
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273 |
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rholo() /* holodeck main loop */ |
274 |
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{ |
275 |
gwlarson |
3.44 |
static long nextfragwarn = 100*(1L<<20); |
276 |
gregl |
3.30 |
static int idle = 0; |
277 |
gregl |
3.1 |
PACKET *pl = NULL, *plend; |
278 |
gwlarson |
3.44 |
long fsiz; |
279 |
gregl |
3.33 |
int pksiz; |
280 |
gregl |
3.1 |
register PACKET *p; |
281 |
|
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time_t t; |
282 |
gregl |
3.30 |
/* check display */ |
283 |
|
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if (nprocs <= 0) |
284 |
|
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idle = 1; |
285 |
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if (outdev != NULL) { |
286 |
gregl |
3.4 |
if (!disp_check(idle)) |
287 |
gregl |
3.30 |
return(0); /* quit request */ |
288 |
|
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if (nprocs <= 0) |
289 |
|
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return(1); |
290 |
|
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} else if (idle) |
291 |
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return(0); /* all done */ |
292 |
gwlarson |
3.44 |
fsiz = hdfilen(hdlist[0]->fd); /* check file size */ |
293 |
|
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if (maxdisk > 0 && fsiz >= maxdisk) { |
294 |
gregl |
3.8 |
error(WARNING, "file limit exceeded"); |
295 |
gregl |
3.21 |
done_rtrace(); |
296 |
|
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return(1); /* comes back */ |
297 |
gregl |
3.8 |
} |
298 |
gwlarson |
3.44 |
#if FRAGWARN |
299 |
|
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if (fsiz >= nextfragwarn && |
300 |
|
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(fsiz-hdfiluse(hdlist[0]->fd,0))/(fsiz/100) > FRAGWARN) { |
301 |
|
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sprintf(errmsg, "holodeck file fragmentation is %.0f%%", |
302 |
|
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100.*(fsiz-hdfiluse(hdlist[0]->fd,1))/fsiz); |
303 |
|
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error(WARNING, errmsg); |
304 |
|
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nextfragwarn = fsiz + (fsiz>>2); /* decent interval */ |
305 |
|
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} |
306 |
|
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#endif |
307 |
gregl |
3.33 |
t = time(NULL); /* check time */ |
308 |
gregl |
3.8 |
if (endtime > 0 && t >= endtime) { |
309 |
|
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error(WARNING, "time limit exceeded"); |
310 |
gregl |
3.21 |
done_rtrace(); |
311 |
|
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return(1); /* comes back */ |
312 |
gregl |
3.8 |
} |
313 |
gregl |
3.3 |
if (reporttime > 0 && t >= reporttime) |
314 |
gregl |
3.1 |
report(t); |
315 |
gregl |
3.33 |
/* figure out good packet size */ |
316 |
|
|
#if MAXQTIME |
317 |
gwlarson |
3.38 |
pksiz = nraysdone*MAXQTIME/(totqlen*(t - starttime + 1L)); |
318 |
gregl |
3.33 |
if (pksiz < 1) |
319 |
|
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pksiz = 1; |
320 |
|
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else if (pksiz > RPACKSIZ) |
321 |
|
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#endif |
322 |
|
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pksiz = RPACKSIZ; |
323 |
gregl |
3.28 |
idle = 0; /* get packets to process */ |
324 |
gregl |
3.1 |
while (freepacks != NULL) { |
325 |
|
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p = freepacks; freepacks = p->next; p->next = NULL; |
326 |
gregl |
3.33 |
if (!next_packet(p, pksiz)) { |
327 |
gregl |
3.1 |
p->next = freepacks; freepacks = p; |
328 |
gregl |
3.21 |
idle = 1; |
329 |
gregl |
3.1 |
break; |
330 |
|
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} |
331 |
|
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if (pl == NULL) pl = p; |
332 |
|
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else plend->next = p; |
333 |
|
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plend = p; |
334 |
|
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} |
335 |
gregl |
3.21 |
/* process packets */ |
336 |
gregl |
3.1 |
done_packets(do_packets(pl)); |
337 |
|
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return(1); /* and continue */ |
338 |
|
|
} |
339 |
|
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|
340 |
|
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|
341 |
|
|
setdefaults(gp) /* set default values */ |
342 |
|
|
register HDGRID *gp; |
343 |
|
|
{ |
344 |
|
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extern char *atos(); |
345 |
|
|
register int i; |
346 |
gregl |
3.29 |
int n; |
347 |
gregl |
3.37 |
double len[3], d; |
348 |
gregl |
3.1 |
char buf[64]; |
349 |
|
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|
350 |
|
|
if (!vdef(SECTION)) { |
351 |
|
|
sprintf(errmsg, "%s must be defined", vnam(SECTION)); |
352 |
|
|
error(USER, errmsg); |
353 |
|
|
} |
354 |
|
|
if (!vdef(OCTREE)) { |
355 |
|
|
if ((vval(OCTREE) = bmalloc(strlen(froot)+5)) == NULL) |
356 |
|
|
error(SYSTEM, "out of memory"); |
357 |
|
|
sprintf(vval(OCTREE), "%s.oct", froot); |
358 |
|
|
vdef(OCTREE)++; |
359 |
gregl |
3.14 |
} |
360 |
|
|
if (!vdef(VDIST)) { |
361 |
|
|
vval(VDIST) = "F"; |
362 |
|
|
vdef(VDIST)++; |
363 |
gregl |
3.1 |
} |
364 |
|
|
/* append rendering options */ |
365 |
|
|
if (vdef(RENDER)) |
366 |
|
|
rtargc += wordstring(rtargv+rtargc, vval(RENDER)); |
367 |
gregl |
3.15 |
|
368 |
|
|
if (gp == NULL) /* already initialized? */ |
369 |
|
|
return; |
370 |
|
|
/* set grid parameters */ |
371 |
gregl |
3.29 |
for (n = 0; n < vdef(SECTION); n++, gp++) { |
372 |
|
|
gp->grid[0] = gp->grid[1] = gp->grid[2] = 0; |
373 |
|
|
if (sscanf(nvalue(SECTION, n), |
374 |
gregl |
3.16 |
"%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %hd %hd %hd", |
375 |
gregl |
3.29 |
&gp->orig[0], &gp->orig[1], &gp->orig[2], |
376 |
|
|
&gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], |
377 |
|
|
&gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], |
378 |
|
|
&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2], |
379 |
|
|
&gp->grid[0], &gp->grid[1], &gp->grid[2]) < 12) |
380 |
|
|
badvalue(SECTION); |
381 |
|
|
for (i = 0; i < 3; i++) |
382 |
gregl |
3.37 |
len[i] = VLEN(gp->xv[i]); |
383 |
|
|
if (!vdef(GRID)) { |
384 |
gwlarson |
3.43 |
d = 2/2e5*( len[0]*len[0]*(len[1]*len[1] + |
385 |
gregl |
3.37 |
len[2]*len[2] + 4*len[1]*len[2]) |
386 |
|
|
+ len[1]*len[1]*len[2]*(len[2] + 4*len[0]) |
387 |
|
|
+ 4*len[0]*len[1]*len[2]*len[2] ); |
388 |
|
|
d = sqrt(sqrt(d)); |
389 |
|
|
} else if ((d = vflt(GRID)) <= FTINY) |
390 |
gregl |
3.29 |
badvalue(GRID); |
391 |
|
|
for (i = 0; i < 3; i++) |
392 |
|
|
if (gp->grid[i] <= 0) |
393 |
|
|
gp->grid[i] = len[i]/d + (1.-FTINY); |
394 |
gregl |
3.15 |
} |
395 |
gregl |
3.1 |
} |
396 |
|
|
|
397 |
|
|
|
398 |
|
|
creatholo(gp) /* create a holodeck output file */ |
399 |
|
|
HDGRID *gp; |
400 |
|
|
{ |
401 |
gregl |
3.12 |
extern char VersionID[]; |
402 |
gregl |
3.29 |
int4 lastloc, nextloc; |
403 |
|
|
int n; |
404 |
gregl |
3.10 |
int fd; |
405 |
gregl |
3.1 |
FILE *fp; |
406 |
|
|
/* open & truncate file */ |
407 |
|
|
if ((fp = fopen(hdkfile, "w+")) == NULL) { |
408 |
|
|
sprintf(errmsg, "cannot open \"%s\" for writing", hdkfile); |
409 |
|
|
error(SYSTEM, errmsg); |
410 |
|
|
} |
411 |
|
|
/* write information header */ |
412 |
|
|
newheader("RADIANCE", fp); |
413 |
gregl |
3.12 |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
414 |
gregl |
3.1 |
printvars(fp); |
415 |
|
|
fputformat(HOLOFMT, fp); |
416 |
|
|
fputc('\n', fp); |
417 |
gregl |
3.29 |
putw(HOLOMAGIC, fp); /* put magic number */ |
418 |
gregl |
3.10 |
fd = dup(fileno(fp)); |
419 |
|
|
fclose(fp); /* flush and close stdio stream */ |
420 |
gregl |
3.29 |
lastloc = lseek(fd, 0L, 2); |
421 |
|
|
for (n = vdef(SECTION); n--; gp++) { /* initialize each section */ |
422 |
|
|
nextloc = 0L; |
423 |
|
|
write(fd, (char *)&nextloc, sizeof(nextloc)); |
424 |
|
|
hdinit(fd, gp); /* writes beam index */ |
425 |
|
|
if (!n) |
426 |
|
|
break; |
427 |
|
|
nextloc = hdfilen(fd); /* write section pointer */ |
428 |
|
|
if (lseek(fd, (long)lastloc, 0) < 0) |
429 |
|
|
error(SYSTEM, |
430 |
|
|
"cannot seek on holodeck file in creatholo"); |
431 |
|
|
write(fd, (char *)&nextloc, sizeof(nextloc)); |
432 |
|
|
lseek(fd, (long)(lastloc=nextloc), 0); |
433 |
|
|
} |
434 |
gregl |
3.1 |
} |
435 |
|
|
|
436 |
|
|
|
437 |
gwlarson |
3.42 |
int |
438 |
gregl |
3.1 |
headline(s) /* process information header line */ |
439 |
|
|
char *s; |
440 |
|
|
{ |
441 |
|
|
extern char FMTSTR[]; |
442 |
|
|
register char *cp; |
443 |
|
|
char fmt[32]; |
444 |
|
|
|
445 |
gregl |
3.2 |
if (formatval(fmt, s)) { |
446 |
gregl |
3.1 |
if (strcmp(fmt, HOLOFMT)) { |
447 |
|
|
sprintf(errmsg, "%s file \"%s\" has %s%s", |
448 |
|
|
HOLOFMT, hdkfile, FMTSTR, fmt); |
449 |
|
|
error(USER, errmsg); |
450 |
|
|
} |
451 |
gwlarson |
3.42 |
return(0); |
452 |
gregl |
3.1 |
} |
453 |
|
|
for (cp = s; *cp; cp++) /* take off any comments */ |
454 |
|
|
if (*cp == '#') { |
455 |
|
|
*cp = '\0'; |
456 |
|
|
break; |
457 |
|
|
} |
458 |
|
|
setvariable(s, matchvar); /* don't flag errors */ |
459 |
gwlarson |
3.42 |
return(0); |
460 |
gregl |
3.1 |
} |
461 |
|
|
|
462 |
|
|
|
463 |
|
|
loadholo() /* start loading a holodeck from fname */ |
464 |
|
|
{ |
465 |
gregl |
3.10 |
extern long ftell(); |
466 |
gregl |
3.1 |
FILE *fp; |
467 |
gregl |
3.10 |
int fd; |
468 |
gregl |
3.29 |
int n; |
469 |
|
|
int4 nextloc; |
470 |
gregl |
3.4 |
/* open holodeck file */ |
471 |
|
|
if ((fp = fopen(hdkfile, ncprocs>0 ? "r+" : "r")) == NULL) { |
472 |
gwlarson |
3.39 |
sprintf(errmsg, "cannot %s \"%s\"", |
473 |
|
|
ncprocs>0 ? "append" : "read", hdkfile); |
474 |
gregl |
3.1 |
error(SYSTEM, errmsg); |
475 |
|
|
} |
476 |
|
|
/* load variables from header */ |
477 |
|
|
getheader(fp, headline, NULL); |
478 |
|
|
/* check magic number */ |
479 |
|
|
if (getw(fp) != HOLOMAGIC) { |
480 |
|
|
sprintf(errmsg, "bad magic number in holodeck file \"%s\"", |
481 |
|
|
hdkfile); |
482 |
|
|
error(USER, errmsg); |
483 |
|
|
} |
484 |
gregl |
3.29 |
nextloc = ftell(fp); /* get stdio position */ |
485 |
gregl |
3.10 |
fd = dup(fileno(fp)); |
486 |
|
|
fclose(fp); /* done with stdio */ |
487 |
gregl |
3.29 |
for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
488 |
|
|
lseek(fd, (long)nextloc, 0); |
489 |
|
|
read(fd, (char *)&nextloc, sizeof(nextloc)); |
490 |
|
|
hdinit(fd, NULL); |
491 |
|
|
} |
492 |
|
|
if (n != vdef(SECTION)) { |
493 |
|
|
sprintf(errmsg, "number of sections does not match %s setting", |
494 |
|
|
vnam(SECTION)); |
495 |
|
|
error(WARNING, errmsg); |
496 |
|
|
} |
497 |
gregl |
3.1 |
} |
498 |
|
|
|
499 |
|
|
|
500 |
|
|
done_packets(pl) /* handle finished packets */ |
501 |
|
|
PACKET *pl; |
502 |
|
|
{ |
503 |
gregl |
3.13 |
static int n2flush = 0; |
504 |
gregl |
3.1 |
register PACKET *p; |
505 |
|
|
|
506 |
|
|
while (pl != NULL) { |
507 |
|
|
p = pl; pl = p->next; p->next = NULL; |
508 |
|
|
if (p->nr > 0) { /* add to holodeck */ |
509 |
|
|
bcopy((char *)p->ra, |
510 |
|
|
(char *)hdnewrays(hdlist[p->hd],p->bi,p->nr), |
511 |
|
|
p->nr*sizeof(RAYVAL)); |
512 |
|
|
if (outdev != NULL) /* display it */ |
513 |
gregl |
3.7 |
disp_packet((PACKHEAD *)p); |
514 |
gregl |
3.13 |
if (hdcachesize <= 0) /* manual flushing */ |
515 |
gregl |
3.33 |
n2flush++; |
516 |
gregl |
3.6 |
nraysdone += p->nr; |
517 |
|
|
npacksdone++; |
518 |
gregl |
3.33 |
p->nr = 0; |
519 |
gregl |
3.1 |
} |
520 |
gregl |
3.33 |
p->next = freepacks; /* push onto free list */ |
521 |
gregl |
3.1 |
freepacks = p; |
522 |
gregl |
3.5 |
} |
523 |
gwlarson |
3.41 |
#if MAXQTIME |
524 |
gwlarson |
3.38 |
if (n2flush > 300/MAXQTIME*totqlen) { |
525 |
gwlarson |
3.41 |
#else |
526 |
|
|
if (n2flush > 50*totqlen) { |
527 |
|
|
#endif |
528 |
|
|
if (outdev == NULL) |
529 |
|
|
hdflush(NULL); /* flush holodeck buffers */ |
530 |
|
|
else |
531 |
|
|
hdsync(NULL, 1); /* sync holodeck file */ |
532 |
gregl |
3.13 |
n2flush = 0; |
533 |
gregl |
3.1 |
} |
534 |
|
|
} |
535 |
|
|
|
536 |
|
|
|
537 |
|
|
rootname(rn, fn) /* remove tail from end of fn */ |
538 |
|
|
register char *rn, *fn; |
539 |
|
|
{ |
540 |
|
|
char *tp, *dp; |
541 |
|
|
|
542 |
|
|
for (tp = NULL, dp = rn; *rn = *fn++; rn++) |
543 |
gregl |
3.22 |
if (*rn == '/') |
544 |
gregl |
3.1 |
dp = rn; |
545 |
|
|
else if (*rn == '.') |
546 |
|
|
tp = rn; |
547 |
|
|
if (tp != NULL && tp > dp) |
548 |
|
|
*tp = '\0'; |
549 |
|
|
} |
550 |
|
|
|
551 |
|
|
|
552 |
|
|
badvalue(vc) /* report bad variable value and exit */ |
553 |
|
|
int vc; |
554 |
|
|
{ |
555 |
|
|
sprintf(errmsg, "bad value for variable '%s'", vnam(vc)); |
556 |
|
|
error(USER, errmsg); |
557 |
|
|
} |
558 |
|
|
|
559 |
|
|
|
560 |
|
|
eputs(s) /* put error message to stderr */ |
561 |
|
|
register char *s; |
562 |
|
|
{ |
563 |
|
|
static int midline = 0; |
564 |
|
|
|
565 |
|
|
if (!*s) |
566 |
|
|
return; |
567 |
|
|
if (!midline++) { /* prepend line with program name */ |
568 |
|
|
fputs(progname, stderr); |
569 |
|
|
fputs(": ", stderr); |
570 |
|
|
} |
571 |
|
|
fputs(s, stderr); |
572 |
|
|
if (s[strlen(s)-1] == '\n') { |
573 |
|
|
fflush(stderr); |
574 |
|
|
midline = 0; |
575 |
|
|
} |
576 |
|
|
} |
577 |
|
|
|
578 |
|
|
|
579 |
|
|
quit(ec) /* exit program gracefully */ |
580 |
|
|
int ec; |
581 |
|
|
{ |
582 |
|
|
int status = 0; |
583 |
|
|
|
584 |
gregl |
3.24 |
if (hdlist[0] != NULL) { /* close holodeck */ |
585 |
gregl |
3.21 |
if (nprocs > 0) |
586 |
gregl |
3.24 |
status = done_rtrace(); /* calls hdsync() */ |
587 |
gregl |
3.19 |
if (ncprocs > 0 && vdef(REPORT)) { |
588 |
|
|
long fsiz, fuse; |
589 |
|
|
fsiz = hdfilen(hdlist[0]->fd); |
590 |
|
|
fuse = hdfiluse(hdlist[0]->fd, 1); |
591 |
|
|
fprintf(stderr, |
592 |
gregl |
3.3 |
"%s: %.1f Mbyte holodeck file, %.1f%% fragmentation\n", |
593 |
gregl |
3.19 |
hdkfile, fsiz/(1024.*1024.), |
594 |
|
|
100.*(fsiz-fuse)/fsiz); |
595 |
|
|
} |
596 |
gregl |
3.1 |
} |
597 |
gregl |
3.12 |
if (orig_mode >= 0) /* reset holodeck access mode */ |
598 |
|
|
fchmod(hdlist[0]->fd, orig_mode); |
599 |
gregl |
3.11 |
if (outdev != NULL) /* close display */ |
600 |
|
|
disp_close(); |
601 |
gregl |
3.1 |
exit(ec ? ec : status); /* exit */ |
602 |
|
|
} |