FreeCalypso > hg > themwi-system-sw

annotate sip-manual-out/user_cmd.c @ 212:b3aeacc5722a

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sip-manual-out: add pcm-fill command
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 21 May 2023 15:45:52 -0800
parents f3164f732b84
children
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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 pcm_fill_cmd(arg)
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14 char *arg;
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15 {
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16 char *cp;
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17 unsigned octet;
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18
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19 for (cp = arg; isspace(*cp); cp++)
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20 ;
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21 if (!isxdigit(*cp)) {
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22 inv_syntax: fprintf(stderr, "error: pcm-fill command invalid syntax\n");
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23 return;
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24 }
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25 octet = strtoul(cp, &cp, 16);
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26 if (*cp)
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27 goto inv_syntax;
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28 if (octet > 0xFF) {
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29 fprintf(stderr,
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30 "error: pcm-fill octet argument out of range\n");
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31 return;
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32 }
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33 set_pcm_fill_octet(octet);
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34 }
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35
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36 static void
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37 tfo_req_cmd(args)
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38 char *args;
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39 {
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40 char *cp;
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41 unsigned sig, codec;
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42
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43 for (cp = args; isspace(*cp); cp++)
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44 ;
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45 if (!isdigit(*cp)) {
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46 inv_syntax: fprintf(stderr, "error: tfo-req command invalid syntax\n");
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47 return;
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48 }
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49 sig = strtoul(cp, &cp, 0);
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50 if (!isspace(*cp))
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51 goto inv_syntax;
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52 if (sig > 0xFF) {
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53 fprintf(stderr, "error: Sig argument out of range\n");
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54 return;
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55 }
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56 while (isspace(*cp))
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57 cp++;
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58 if (!isdigit(*cp))
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59 goto inv_syntax;
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60 codec = strtoul(cp, &cp, 0);
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61 if (*cp && !isspace(*cp))
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62 goto inv_syntax;
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63 if (codec > 14) {
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64 fprintf(stderr, "error: Codec_Type argument out of range\n");
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65 return;
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66 }
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67 while (isspace(*cp))
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68 cp++;
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69 if (*cp)
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70 goto inv_syntax;
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71 send_tfo_req(sig, codec);
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72 }
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73
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74 void
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75 select_stdin()
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76 {
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77 char buf[256], *cp;
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78
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79 fgets(buf, sizeof buf, stdin);
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80 cp = index(buf, '\n');
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81 if (cp) {
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82 while (cp > buf && isspace(cp[-1]))
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83 cp--;
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84 *cp = '\0';
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85 }
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86 for (cp = buf; isspace(*cp); cp++)
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87 ;
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88 if (!*cp)
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89 return;
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90 if (!strcmp(cp, "b") || !strcasecmp(cp, "bye"))
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91 send_bye_req();
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92 else if (!strcmp(cp, "c") || !strcasecmp(cp, "cancel"))
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93 send_cancel_req();
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94 else if (!strncmp(cp, "pcm-fill", 8) && isspace(cp[8]))
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95 pcm_fill_cmd(cp + 9);
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96 else if (!strncmp(cp, "tfo-req", 7) && isspace(cp[7]))
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97 tfo_req_cmd(cp + 8);
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98 else if (!strcmp(cp, "tfo-stop"))
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99 stop_tfo_out();
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100 else
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101 fprintf(stderr, "error: non-understood stdin command\n");
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102 }