FreeCalypso > hg > freecalypso-tools

annotate loadtools/ltscript.c @ 407:19e5a3e2f9c0

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fcup-settime: moved time() retrieval a little closer to the output A fundamental problem with all simple time transfer tools is that there is always some delay between the time retrieval on the source system and that transmitted time being set on the destination, and the resulting time on the destination system is off by that delay amount. This delay cannot be fully eliminated when working in a simple environment like ours, but we should make our best effort to minimize it. In the present case, moving the atinterf_init() call before the time() retrieval should make a teensy-tiny improvement.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 11 Aug 2018 21:52:17 +0000
parents 6616f4e35579
children
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1 /*
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2 * This module contains the code that implements the loadtool scripting
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3 * functionality: init-script setting and the exec command.
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4 */
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5
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6 #include <sys/param.h>
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7 #include <stdio.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include <stdlib.h>
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11
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12 extern char default_helpers_dir[];
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13
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14 loadtool_exec_script(script_name, is_init_script)
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15 char *script_name;
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16 {
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17 char pathbuf[MAXPATHLEN], *openfname;
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18 FILE *f;
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19 char linebuf[512], *cp;
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20 int lineno, retval = 0;
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21
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22 if (!is_init_script || index(script_name, '/'))
0
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23 openfname = script_name;
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24 else {
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25 sprintf(pathbuf, "%s/%s", default_helpers_dir, script_name);
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26 openfname = pathbuf;
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27 }
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28 f = fopen(openfname, "r");
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29 if (!f) {
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30 perror(openfname);
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31 return(-1);
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32 }
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33 for (lineno = 1; fgets(linebuf, sizeof linebuf, f); lineno++) {
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34 cp = index(linebuf, '\n');
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35 if (!cp) {
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36 fprintf(stderr, "%s line %d: missing newline\n",
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37 openfname, lineno);
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38 fclose(f);
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39 return(-1);
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40 }
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41 *cp = '\0';
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42 retval = loadtool_dispatch_cmd(linebuf, 1);
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43 if (retval)
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44 break;
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45 }
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46 fclose(f);
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47 return(retval);
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48 }
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50 cmd_exec(argc, argv)
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51 char **argv;
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52 {
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53 return loadtool_exec_script(argv[1], 0);
0
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54 }