FreeCalypso > hg > freecalypso-tools
annotate rvinterf/asyncshell/pktsort.c @ 926:6a0aa8d36d06
rvinterf backslash escape: introduce libprint
The new helper function library named libprint is meant to replace
the badly misnamed libg23, and will soon contain functions for
printing all of the same kinds of GPF TST packets that are now handled
in libg23. However, we are also moving safe_print_trace() from libasync
to this new library, and changing it to emit our new backslash escape
format.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 23 May 2023 03:47:46 +0000 |
parents | bbc41034f14c |
children | 31a36b400cdf |
rev | line source |
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0
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1 /* |
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2 * Here we sort out incoming packets from the target relayed via rvinterf. |
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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 <stdio.h> |
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7 #include <string.h> |
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8 #include <strings.h> |
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9 #include <stdlib.h> |
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10 #include "pktmux.h" |
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11 #include "limits.h" |
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12 #include "localsock.h" |
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13 #include "localtypes.h" |
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14 #include "exitcodes.h" |
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15 |
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16 extern u_char rvi_msg[]; |
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17 extern int rvi_msg_len; |
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18 extern int oneshot_mode; |
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19 |
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20 static void |
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21 process_rvt() |
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22 { |
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23 u32 useid; |
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24 |
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25 if (rvi_msg_len < 7) { |
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26 tty_cleanup(); |
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27 fprintf(stderr, "Error: rvinterf sent us an invalid RVT msg\n"); |
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28 exit(ERROR_RVINTERF); |
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29 } |
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30 useid = rvi_msg[2] << 24 | rvi_msg[3] << 16 | rvi_msg[4] << 8 |
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31 | rvi_msg[5]; |
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32 switch (useid) { |
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33 case 0: |
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34 handle_useid_0(); |
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35 return; |
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36 default: |
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37 tty_cleanup(); |
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38 fprintf(stderr, "unexpected fwd of USEID %08X from rvinterf\n", |
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39 useid); |
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40 exit(ERROR_RVINTERF); |
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41 } |
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42 } |
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43 |
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44 static void |
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45 gpf_packet_rx() |
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46 { |
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47 char fmtbuf[MAX_PKT_FROM_TARGET*8]; /* size it generously */ |
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48 |
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49 format_g23_packet(rvi_msg + 1, rvi_msg_len - 1, fmtbuf); |
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50 async_msg_output(fmtbuf); |
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51 } |
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52 |
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53 static void |
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54 response_from_ati() |
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55 { |
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56 char buf[MAX_PKT_FROM_TARGET*4+2]; |
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57 |
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58 strcpy(buf, "ATI: "); |
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59 safe_print_trace(rvi_msg + 2, rvi_msg_len - 2, buf + 5); |
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60 async_msg_output(buf); |
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61 if (oneshot_mode) |
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62 oneshot_at_check_response(); |
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63 } |
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64 |
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65 void |
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66 process_pkt_from_target() |
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67 { |
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68 switch (rvi_msg[1]) { |
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69 case RVT_RV_HEADER: |
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70 process_rvt(); |
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71 return; |
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72 case RVT_L23_HEADER: |
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73 gpf_packet_rx(); |
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74 return; |
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75 case RVT_AT_HEADER: |
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76 response_from_ati(); |
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77 return; |
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78 case RVT_TCH_HEADER: |
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79 tch_packet_rx(); |
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80 return; |
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81 default: |
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82 tty_cleanup(); |
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83 fprintf(stderr, "unexpected fwd of MUX %02X from rvinterf\n", |
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84 rvi_msg[1]); |
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85 exit(ERROR_RVINTERF); |
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86 } |
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87 } |