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annotate rvinterf/trdump.c @ 126:811b138f1bed

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rvtdump utility written, compiles
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Thu, 31 Oct 2013 19:59:16 +0000
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children f4f0c8738dcb
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126
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
811b138f1bed rvtdump utility written, compiles
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2 * This module implements the basic dump of any incoming packets
811b138f1bed rvtdump utility written, compiles
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3 */
811b138f1bed rvtdump utility written, compiles
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4
811b138f1bed rvtdump utility written, compiles
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5 #include <sys/types.h>
811b138f1bed rvtdump utility written, compiles
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6 #include <stdio.h>
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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7 #include "pktmux.h"
811b138f1bed rvtdump utility written, compiles
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8
811b138f1bed rvtdump utility written, compiles
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9 extern u_char rxpkt[];
811b138f1bed rvtdump utility written, compiles
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10 extern size_t rxpkt_len;
811b138f1bed rvtdump utility written, compiles
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11
811b138f1bed rvtdump utility written, compiles
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12 void
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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13 print_presumed_string(str, len)
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14 u_char *str;
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15 size_t len;
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16 {
811b138f1bed rvtdump utility written, compiles
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17 int i, c;
811b138f1bed rvtdump utility written, compiles
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18
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19 for (i = 0; i < len; i++) {
811b138f1bed rvtdump utility written, compiles
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20 c = str[i];
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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21 if (c & 0x80) {
811b138f1bed rvtdump utility written, compiles
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22 putchar('M');
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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23 putchar('-');
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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24 c &= 0x7F;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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25 }
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26 if (c < 0x20) {
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27 putchar('^');
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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28 putchar(c + '@');
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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29 } else if (c == 0x7F) {
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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30 putchar('^');
811b138f1bed rvtdump utility written, compiles
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31 putchar('?');
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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32 } else
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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33 putchar(c);
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34 }
811b138f1bed rvtdump utility written, compiles
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35 }
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36
811b138f1bed rvtdump utility written, compiles
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37 void
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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38 print_rv_trace()
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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39 {
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40 int i;
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41
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42 /* the SWE static ID is sent MSB first */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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43 for (i = 1; i <= 4; i++)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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44 printf("%02X", rxpkt[i]);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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45 /* severity level */
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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46 printf(" %d ", rxpkt[5]);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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47 print_presumed_string(rxpkt + 6, rxpkt_len - 6);
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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48 putchar('\n');
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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49 }
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50
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51 void
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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52 print_l1_trace()
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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53 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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54 fputs("L1: ", stdout);
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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55 print_presumed_string(rxpkt + 1, rxpkt_len - 1);
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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56 putchar('\n');
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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57 }
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58
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59 void
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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60 print_rx_packet()
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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61 {
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62 int i;
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63
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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64 switch (rxpkt[0]) {
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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65 case RVT_RV_HEADER:
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66 print_rv_trace();
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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67 return;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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68 case RVT_L1_HEADER:
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69 print_l1_trace();
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70 return;
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71 }
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72 /* default case: print the whole packet in hex as an unknown */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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73 fputs("UNK:", stdout);
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74 for (i = 0; i < rxpkt_len; i++)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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75 printf(" %02X", rxpkt[i]);
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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76 putchar('\n');
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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77 }