FreeCalypso > hg > themwi-system-sw

annotate sip-manual-out/user_cmd.c @ 195:a3d71489672f

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sip-manual-out: implement tfo-req command
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 17 Mar 2023 17:22:42 -0800
parents 1f9a6cede2c5
children f3164f732b84
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1 /*
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2 * In this module we implement stdin command handling, supporting
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3 * user-initiated CANCEL and BYE as well as TFO testing commands.
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4 */
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5
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6 #include <ctype.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11
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12 static void
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13 tfo_req_cmd(args)
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14 char *args;
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15 {
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16 char *cp;
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17 unsigned sig, codec;
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18
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19 for (cp = args; isspace(*cp); cp++)
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20 ;
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21 if (!isdigit(*cp)) {
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22 inv_syntax: fprintf(stderr, "error: tfo-req command invalid syntax\n");
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23 return;
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24 }
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25 sig = strtoul(cp, &cp, 0);
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26 if (!isspace(*cp))
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27 goto inv_syntax;
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28 if (sig > 0xFF) {
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29 fprintf(stderr, "error: Sig argument out of range\n");
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30 return;
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31 }
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32 while (isspace(*cp))
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33 cp++;
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34 if (!isdigit(*cp))
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35 goto inv_syntax;
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36 codec = strtoul(cp, &cp, 0);
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37 if (*cp && !isspace(*cp))
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38 goto inv_syntax;
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39 if (codec > 14) {
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40 fprintf(stderr, "error: Codec_Type argument out of range\n");
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41 return;
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42 }
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43 while (isspace(*cp))
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44 cp++;
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45 if (*cp)
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46 goto inv_syntax;
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47 send_tfo_req(sig, codec);
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48 }
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49
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50 void
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51 select_stdin()
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52 {
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53 char buf[256], *cp;
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54
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55 fgets(buf, sizeof buf, stdin);
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56 cp = index(buf, '\n');
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57 if (cp) {
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58 while (cp > buf && isspace(cp[-1]))
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59 cp--;
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60 *cp = '\0';
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61 }
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62 for (cp = buf; isspace(*cp); cp++)
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63 ;
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64 if (!*cp)
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65 return;
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66 if (!strcmp(cp, "b") || !strcasecmp(cp, "bye"))
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67 send_bye_req();
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68 else if (!strcmp(cp, "c") || !strcasecmp(cp, "cancel"))
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69 send_cancel_req();
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70 else if (!strncmp(cp, "tfo-req", 7) && isspace(cp[7]))
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71 tfo_req_cmd(cp + 8);
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72 else
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73 fprintf(stderr, "error: non-understood stdin command\n");
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74 }