FreeCalypso > hg > freecalypso-tools
annotate rvinterf/asyncshell/pktsort.c @ 439:f4a32c1025a2
fc-rftab2c program written, compiles
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 17 Nov 2018 02:15:07 +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 } |