FreeCalypso > hg > freecalypso-tools

annotate rvinterf/asyncshell/oneshot.c @ 216:7e3e3a958e3f

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doc/Host-tools-overview: updated and simplified
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 20 May 2017 12:48:38 +0000
parents bbc41034f14c
children 8c7e86bc137e
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1 /*
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2 * This module implements the one-shot command mode of fc-shell.
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3 */
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4
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5 #include <stdio.h>
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6 #include <string.h>
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7 #include <strings.h>
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8 #include <stdlib.h>
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9 #include "limits.h"
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10 #include "exitcodes.h"
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11
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12 extern int cmd_poweroff();
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13 extern int cmd_send_oneshot();
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14 extern int cmd_sp_oneshot();
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15 extern int cmd_str_oneshot();
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16 extern int cmd_tchdl_oneshot();
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17 extern int cmd_tgtreset();
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18
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19 static struct cmdtab {
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20 char *cmd;
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21 int minargs;
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22 int maxargs;
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23 int (*func)();
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24 } cmdtab[] = {
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25 {"poweroff", 0, 0, cmd_poweroff},
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26 {"send", 1, MAX_PKT_TO_TARGET, cmd_send_oneshot},
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27 {"sp", 2, 2, cmd_sp_oneshot},
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28 {"str", 1, 1, cmd_str_oneshot},
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29 {"tch-dl", 1, 1, cmd_tchdl_oneshot},
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30 {"tgtreset", 0, 0, cmd_tgtreset},
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31 {0, 0, 0, 0}
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32 };
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33
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34 oneshot_command(argc, argv)
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35 char **argv;
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36 {
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37 struct cmdtab *tp;
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38
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39 if (!strncmp(argv[0], "AT", 2) || !strncmp(argv[0], "at", 2)) {
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40 if (argc != 1) {
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41 fprintf(stderr,
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42 "error: AT command must be a single argument\n");
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43 exit(ERROR_USAGE);
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44 }
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45 return oneshot_at_command(argv[0]);
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46 }
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47 for (tp = cmdtab; tp->cmd; tp++)
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48 if (!strcmp(tp->cmd, argv[0]))
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49 break;
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50 if (!tp->func) {
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51 fprintf(stderr,
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52 "error: \"%s\" is not a valid one-shot command\n",
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53 argv[0]);
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54 exit(ERROR_USAGE);
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55 }
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56 if (argc - 1 > tp->maxargs) {
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57 fprintf(stderr, "%s: too many arguments\n", tp->cmd);
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58 exit(ERROR_USAGE);
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59 }
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60 if (argc - 1 < tp->minargs) {
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61 fprintf(stderr, "%s: too few arguments\n", tp->cmd);
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62 exit(ERROR_USAGE);
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63 }
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64 return tp->func(argc, argv);
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65 }