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annotate rvinterf/lowlevel/clientcmd.c @ 1023:cd6002e3aefb

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doc/Freerunner-Howto: apparently some people still use SHR, so mention it too
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Tue, 03 May 2016 13:48:39 +0000
parents 5f919af515f1
children
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7ab6b29e76bb rvinterf: forwarding of Rx packets to clients implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
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2 * This rvinterf module implements the handling of client commands.
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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 <unistd.h>
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11 #include "../include/pktmux.h"
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12 #include "../include/limits.h"
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13 #include "../include/localsock.h"
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14 #include "client.h"
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15
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16 void
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17 process_msg_from_client(cli)
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18 struct client *cli;
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19 {
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20 int c;
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21
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22 switch (cli->rx_buf[0]) {
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23 case CLI2RVI_WANT_RVTRACE:
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24 if (cli->rx_msglen != 9) {
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25 send_local_msg_to_client(cli, "-Bad command length");
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26 return;
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27 }
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28 c = cli->int_rvt_count;
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29 if (c >= MAX_RVT_INTEREST) {
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30 send_local_msg_to_client(cli,
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31 "-Error: too many RVT interests");
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32 return;
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33 }
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34 cli->int_rvt_mask[c] = cli->rx_buf[1] << 24 |
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35 cli->rx_buf[2] << 16 |
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36 cli->rx_buf[3] << 8 | cli->rx_buf[4];
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37 cli->int_rvt_match[c] = cli->rx_buf[5] << 24 |
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38 cli->rx_buf[6] << 16 |
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39 cli->rx_buf[7] << 8 | cli->rx_buf[8];
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40 cli->int_rvt_count++;
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41 send_local_msg_to_client(cli, "+OK");
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42 return;
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43 case CLI2RVI_WANT_MUXPROTO:
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44 if (cli->rx_msglen != 2) {
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45 send_local_msg_to_client(cli, "-Bad command length");
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46 return;
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47 }
1008
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
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48 if (cli->rx_buf[1] < 0x12 || cli->rx_buf[1] > 0x1D) {
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49 send_local_msg_to_client(cli,
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50 "-Unsupported protocol MUX value");
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51 return;
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52 }
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53 cli->int_proto[cli->rx_buf[1] - 0x12] = 1;
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54 send_local_msg_to_client(cli, "+OK");
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55 return;
871
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56 case CLI2RVI_DROP_MUXPROTO:
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57 if (cli->rx_msglen != 2) {
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58 send_local_msg_to_client(cli, "-Bad command length");
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59 return;
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60 }
1008
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61 if (cli->rx_buf[1] < 0x12 || cli->rx_buf[1] > 0x1D) {
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62 send_local_msg_to_client(cli,
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63 "-Unsupported protocol MUX value");
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64 return;
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65 }
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66 cli->int_proto[cli->rx_buf[1] - 0x12] = 0;
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67 send_local_msg_to_client(cli, "+OK");
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68 return;
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69 case CLI2RVI_RESET_PACKET_RX:
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70 cli->int_rvt_count = 0;
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71 bzero(cli->int_proto, sizeof(cli->int_proto));
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72 send_local_msg_to_client(cli, "+OK");
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73 return;
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74 case CLI2RVI_PKT_TO_TARGET:
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75 c = cli->rx_msglen - 1;
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76 if (c < 1 || c > MAX_PKT_TO_TARGET) {
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77 send_local_msg_to_client(cli,
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78 "-Invalid Tx packet length");
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79 return;
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80 }
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81 send_pkt_to_target(cli->rx_buf + 1, c);
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82 log_sent_packet(cli->rx_buf + 1, c);
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83 return;
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84 case CLI2RVI_RAWBYTES_TO_TARGET:
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85 /* To be implemented */
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86 default:
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87 send_local_msg_to_client(cli, "-Unimplemented command");
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88 }
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89 }