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annotate autocal/rvinterf.c @ 15:724e16223187

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autocal/rvinterf.c now has all essential code for talking to rvinterf
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 21 May 2017 23:04:42 +0000
parents d7e436bf4876
children e86779d5445c
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13
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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2 * Interface to the DUT via rvinterf
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Mychaela Falconia <falcon@freecalypso.org>
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3 */
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Mychaela Falconia <falcon@freecalypso.org>
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4
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Mychaela Falconia <falcon@freecalypso.org>
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5 #include <sys/types.h>
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Mychaela Falconia <falcon@freecalypso.org>
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6 #include <sys/socket.h>
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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7 #include <sys/un.h>
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Mychaela Falconia <falcon@freecalypso.org>
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8 #include <stdio.h>
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Mychaela Falconia <falcon@freecalypso.org>
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9 #include <string.h>
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Mychaela Falconia <falcon@freecalypso.org>
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10 #include <strings.h>
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Mychaela Falconia <falcon@freecalypso.org>
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11 #include <stdlib.h>
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Mychaela Falconia <falcon@freecalypso.org>
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12 #include <unistd.h>
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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13 #include <rvinterf/pktmux.h>
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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14 #include <rvinterf/localsock.h>
15
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
diff changeset
15 #include <rvinterf/limits.h>
13
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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16 #include <rvinterf/exitcodes.h>
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Mychaela Falconia <falcon@freecalypso.org>
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17
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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18 char *rvif_socket_pathname = "/tmp/rvinterf_socket";
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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19 int rvif_socket;
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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20
15
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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21 int rx_enable_state;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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22 u_char rvi_msg[LOCALSOCK_MAX_MSG];
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
diff changeset
23 int rvi_msg_len;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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24
13
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Mychaela Falconia <falcon@freecalypso.org>
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25 connect_rvinterf_socket()
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Mychaela Falconia <falcon@freecalypso.org>
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26 {
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Mychaela Falconia <falcon@freecalypso.org>
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27 /* local socket binding voodoo copied from osmocon */
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Mychaela Falconia <falcon@freecalypso.org>
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28 struct sockaddr_un local;
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Mychaela Falconia <falcon@freecalypso.org>
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29 unsigned int namelen;
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Mychaela Falconia <falcon@freecalypso.org>
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30 int rc;
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Mychaela Falconia <falcon@freecalypso.org>
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31
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Mychaela Falconia <falcon@freecalypso.org>
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32 rvif_socket = socket(AF_UNIX, SOCK_STREAM, 0);
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Mychaela Falconia <falcon@freecalypso.org>
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33 if (rvif_socket < 0) {
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Mychaela Falconia <falcon@freecalypso.org>
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34 perror("socket(AF_UNIX, SOCK_STREAM, 0)");
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Mychaela Falconia <falcon@freecalypso.org>
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35 exit(ERROR_UNIX);
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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36 }
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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37
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Mychaela Falconia <falcon@freecalypso.org>
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38 local.sun_family = AF_UNIX;
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Mychaela Falconia <falcon@freecalypso.org>
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39 strncpy(local.sun_path, rvif_socket_pathname, sizeof(local.sun_path));
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Mychaela Falconia <falcon@freecalypso.org>
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40 local.sun_path[sizeof(local.sun_path) - 1] = '\0';
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Mychaela Falconia <falcon@freecalypso.org>
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41
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Mychaela Falconia <falcon@freecalypso.org>
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42 /* we use the same magic that X11 uses in Xtranssock.c for
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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43 * calculating the proper length of the sockaddr */
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Mychaela Falconia <falcon@freecalypso.org>
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44 #if defined(BSD44SOCKETS) || defined(__UNIXWARE__)
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Mychaela Falconia <falcon@freecalypso.org>
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45 local.sun_len = strlen(local.sun_path);
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Mychaela Falconia <falcon@freecalypso.org>
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46 #endif
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Mychaela Falconia <falcon@freecalypso.org>
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47 #if defined(BSD44SOCKETS) || defined(SUN_LEN)
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Mychaela Falconia <falcon@freecalypso.org>
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48 namelen = SUN_LEN(&local);
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Mychaela Falconia <falcon@freecalypso.org>
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49 #else
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Mychaela Falconia <falcon@freecalypso.org>
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50 namelen = strlen(local.sun_path) +
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Mychaela Falconia <falcon@freecalypso.org>
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51 offsetof(struct sockaddr_un, sun_path) + 1;
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Mychaela Falconia <falcon@freecalypso.org>
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52 #endif
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Mychaela Falconia <falcon@freecalypso.org>
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53
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Mychaela Falconia <falcon@freecalypso.org>
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54 rc = connect(rvif_socket, (struct sockaddr *) &local, namelen);
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Mychaela Falconia <falcon@freecalypso.org>
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55 if (rc != 0) {
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Mychaela Falconia <falcon@freecalypso.org>
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56 perror(rvif_socket_pathname);
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Mychaela Falconia <falcon@freecalypso.org>
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57 exit(ERROR_RVINTERF);
d7e436bf4876 starting autocal
Mychaela Falconia <falcon@freecalypso.org>
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58 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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59
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Mychaela Falconia <falcon@freecalypso.org>
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60 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
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61 }
15
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
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62
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
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63 static void
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
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64 collect_bytes_from_rvi(buf, nbytes)
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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65 u_char *buf;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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66 {
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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67 int cc;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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68
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
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69 while (nbytes) {
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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70 cc = read(rvif_socket, buf, nbytes);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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71 if (cc <= 0) {
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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72 perror("read from rvinterf socket");
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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73 exit(ERROR_RVINTERF);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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74 }
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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75 buf += cc;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
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76 nbytes -= cc;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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77 }
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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78 }
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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79
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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80 collect_rvi_msg()
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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81 {
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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82 u_char lenbuf[2];
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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83
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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84 collect_bytes_from_rvi(lenbuf, 2);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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85 rvi_msg_len = lenbuf[0] << 8 | lenbuf[1];
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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86 if (rvi_msg_len < 1 || rvi_msg_len > LOCALSOCK_MAX_MSG) {
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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87 fprintf(stderr, "Invalid length from rvinterf: %02X%02X\n",
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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88 lenbuf[0], lenbuf[1]);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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89 exit(ERROR_RVINTERF);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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90 }
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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91 collect_bytes_from_rvi(rvi_msg, rvi_msg_len);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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92 return(0);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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93 }
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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94
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
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95 send_rvimisc_command(cmdpkt, cmdlen)
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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96 u_char *cmdpkt;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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97 {
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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98 u_char lenbuf[2];
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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99
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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100 lenbuf[0] = 0;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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101 lenbuf[1] = cmdlen;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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102 write(rvif_socket, lenbuf, 2);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
diff changeset
103 write(rvif_socket, cmdpkt, cmdlen);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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104 }
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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105
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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106 rx_control(enable)
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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107 {
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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108 u_char cmdpkt[2];
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
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109 int cmdlen;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
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110
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
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111 /* are we already in the desired state? */
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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112 if (rx_enable_state == enable)
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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113 return(0);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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114 /* no, do the work */
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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115 if (enable) {
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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116 cmdpkt[0] = CLI2RVI_WANT_MUXPROTO;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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117 cmdpkt[1] = RVT_TM_HEADER;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
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118 cmdlen = 2;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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119 } else {
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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120 cmdpkt[0] = CLI2RVI_RESET_PACKET_RX;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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121 cmdlen = 1;
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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122 }
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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123 send_rvimisc_command(cmdpkt, cmdlen);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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124 collect_rvi_msg();
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
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125 if (rvi_msg[0] != RVI2CLI_LOCAL_CMD_RESP || rvi_msg_len < 2) {
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
diff changeset
126 fprintf(stderr,
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
diff changeset
127 "error: unexpected response to rvinterf local command\n");
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
diff changeset
128 exit(ERROR_RVINTERF);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
diff changeset
129 }
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
diff changeset
130 if (rvi_msg[1] != '+') {
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
diff changeset
131 fprintf(stderr, "Error from rvinterf: %.*s\n", rvi_msg_len - 1,
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
parents: 13
diff changeset
132 rvi_msg + 1);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
133 exit(ERROR_RVINTERF);
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134 }
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135 rx_enable_state = enable;
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136 return(0);
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137 }
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Mychaela Falconia <falcon@freecalypso.org>
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138
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139 send_pkt_to_target(pkt, pktlen)
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140 u_char *pkt;
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141 {
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142 u_char hdrbuf[3];
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143 int len1;
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144
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145 len1 = pktlen + 1;
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146 hdrbuf[0] = len1 >> 8;
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147 hdrbuf[1] = len1 & 0xFF;
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148 hdrbuf[2] = CLI2RVI_PKT_TO_TARGET;
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Mychaela Falconia <falcon@freecalypso.org>
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149 write(rvif_socket, hdrbuf, 3);
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150 write(rvif_socket, pkt, pktlen);
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151 }
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152
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153 target_pkt_exch(outpkt, outpktlen)
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154 u_char *outpkt;
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155 {
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156 rx_control(1);
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157 send_pkt_to_target(outpkt, outpktlen);
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
158 collect_rvi_msg();
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159 if (rvi_msg[0] != RVI2CLI_PKT_FROM_TARGET) {
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160 fprintf(stderr,
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
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161 "error: unexpected response type from rvinterf\n");
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162 exit(ERROR_RVINTERF);
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163 }
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Mychaela Falconia <falcon@freecalypso.org>
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164 return(0);
724e16223187 autocal/rvinterf.c now has all essential code for talking to rvinterf
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165 }