FreeCalypso > hg > freecalypso-tools
annotate rvinterf/old/g23sh/pktsort.c @ 606:519689d3e1c7
doc/opt-freecalypso-tree: scripts addition documented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 10 Feb 2020 04:03:06 +0000 |
parents | e7502631a0f9 |
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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 |
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15 extern u_char rvi_msg[]; |
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16 extern int rvi_msg_len; |
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17 |
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18 static void |
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19 process_rvt() |
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20 { |
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21 u32 useid; |
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22 |
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23 if (rvi_msg_len < 7) { |
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24 tty_cleanup(); |
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25 fprintf(stderr, "Error: rvinterf sent us an invalid RVT msg\n"); |
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26 exit(1); |
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27 } |
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28 useid = rvi_msg[2] << 24 | rvi_msg[3] << 16 | rvi_msg[4] << 8 |
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29 | rvi_msg[5]; |
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30 switch (useid) { |
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31 case 0: |
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32 handle_useid_0(); |
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33 return; |
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34 default: |
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35 tty_cleanup(); |
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36 fprintf(stderr, "unexpected fwd of USEID %08X from rvinterf\n", |
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37 useid); |
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38 exit(1); |
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39 } |
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40 } |
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41 |
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42 void |
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43 g23_packet_rx() |
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44 { |
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45 char fmtbuf[MAX_PKT_FROM_TARGET*8]; /* size it generously */ |
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46 |
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47 format_g23_packet(rvi_msg + 1, rvi_msg_len - 1, fmtbuf); |
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48 async_msg_output(fmtbuf); |
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49 } |
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50 |
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51 void |
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52 process_pkt_from_target() |
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53 { |
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54 switch (rvi_msg[1]) { |
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55 case RVT_RV_HEADER: |
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56 process_rvt(); |
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57 return; |
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58 case RVT_L23_HEADER: |
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59 g23_packet_rx(); |
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60 return; |
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61 default: |
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62 tty_cleanup(); |
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63 fprintf(stderr, "unexpected fwd of MUX %02X from rvinterf\n", |
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64 rvi_msg[1]); |
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65 exit(1); |
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66 } |
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67 } |