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annotate rvinterf/etm/usercmd.c @ 189:a95d253ef952

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fc-tmsh: some basic tmcore commands implemented
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 25 Nov 2013 03:10:41 +0000
parents 13a0348ffce4
children 707aa640b2dc
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1 /*
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2 * This module implements fc-tmsh user command dispatch.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <ctype.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 usercmd[];
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13
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14 extern void cmd_dieid();
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15 extern void cmd_etmpkt();
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16 extern void cmd_ping();
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17 extern void cmd_r8();
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18 extern void cmd_r16();
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19 extern void cmd_r32();
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20 extern void cmd_tgtreset();
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21 extern void cmd_version();
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22
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23 void
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24 cmd_exit()
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25 {
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26 tty_cleanup();
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27 exit(0);
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28 }
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29
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30 static struct cmdtab {
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31 char *cmd;
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32 int minargs;
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33 int maxargs;
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34 void (*func)();
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35 } cmdtab[] = {
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36 {"dieid", 0, 0, cmd_dieid},
182
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37 {"etmpkt", 1, 253, cmd_etmpkt},
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38 {"exit", 0, 0, cmd_exit},
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39 {"ping", 0, 2, cmd_ping},
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40 {"quit", 0, 0, cmd_exit},
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41 {"r8", 1, 2, cmd_r8},
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42 {"r16", 1, 2, cmd_r16},
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43 {"r32", 1, 2, cmd_r32},
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44 {"tgtreset", 0, 0, cmd_tgtreset},
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45 {"version", 1, 1, cmd_version},
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46 {0, 0, 0, 0}
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47 };
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48
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49 void
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50 dispatch_user_cmd()
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51 {
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52 char *argv[257];
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53 char *cp, **ap;
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54 struct cmdtab *tp;
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55
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56 for (cp = usercmd; isspace(*cp); cp++)
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57 ;
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58 if (!*cp || *cp == '#')
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59 return;
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60 argv[0] = cp;
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61 while (*cp && !isspace(*cp))
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62 cp++;
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63 if (*cp)
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64 *cp++ = '\0';
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65 for (tp = cmdtab; tp->cmd; tp++)
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66 if (!strcmp(tp->cmd, argv[0]))
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67 break;
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68 if (!tp->func) {
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69 printf("error: no such command\n");
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70 return;
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71 }
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72 for (ap = argv + 1; ; ) {
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73 while (isspace(*cp))
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74 cp++;
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75 if (!*cp || *cp == '#')
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76 break;
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77 if (ap - argv - 1 >= tp->maxargs) {
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78 printf("error: too many arguments\n");
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79 return;
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80 }
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81 *ap++ = cp;
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82 while (*cp && !isspace(*cp))
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83 cp++;
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84 if (*cp)
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85 *cp++ = '\0';
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86 }
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87 if (ap - argv - 1 < tp->minargs) {
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88 printf("error: too few arguments\n");
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89 return;
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90 }
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91 *ap = 0;
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92 tp->func(ap - argv, argv);
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93 }