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annotate rvinterf/tmsh/init.c @ 311:a2194416fd7c

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gsm-fw: preparations for ARM exception handling (DAR disabled for now)
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 17 Mar 2014 07:10:57 +0000
parents c146f38d2b5f
children 40b8557b9d04
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1 /*
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2 * This module contains the initialization code for fc-tmsh.
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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 <sys/socket.h>
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7 #include <sys/un.h>
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8 #include <stdio.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include <stdlib.h>
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12 #include <unistd.h>
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13 #include "pktmux.h"
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14 #include "localsock.h"
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15
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16 extern char *socket_pathname;
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17 extern int sock;
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18
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19 connect_local_socket()
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20 {
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21 /* local socket binding voodoo copied from osmocon */
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22 struct sockaddr_un local;
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23 unsigned int namelen;
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24 int rc;
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25
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26 sock = socket(AF_UNIX, SOCK_STREAM, 0);
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27 if (sock < 0) {
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28 perror("socket(AF_UNIX, SOCK_STREAM, 0)");
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29 exit(1);
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30 }
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31
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32 local.sun_family = AF_UNIX;
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33 strncpy(local.sun_path, socket_pathname, sizeof(local.sun_path));
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34 local.sun_path[sizeof(local.sun_path) - 1] = '\0';
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35
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36 /* we use the same magic that X11 uses in Xtranssock.c for
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37 * calculating the proper length of the sockaddr */
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38 #if defined(BSD44SOCKETS) || defined(__UNIXWARE__)
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39 local.sun_len = strlen(local.sun_path);
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40 #endif
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41 #if defined(BSD44SOCKETS) || defined(SUN_LEN)
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42 namelen = SUN_LEN(&local);
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43 #else
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44 namelen = strlen(local.sun_path) +
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45 offsetof(struct sockaddr_un, sun_path) + 1;
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46 #endif
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47
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48 rc = connect(sock, (struct sockaddr *) &local, namelen);
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49 if (rc != 0) {
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50 perror(socket_pathname);
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51 exit(1);
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52 }
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53
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54 return(0);
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55 }
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56
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57 send_init_command(cmdpkt, cmdlen)
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58 u_char *cmdpkt;
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59 {
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60 u_char lenbuf[2];
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61
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62 lenbuf[0] = 0;
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63 lenbuf[1] = cmdlen;
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64 write(sock, lenbuf, 2);
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65 write(sock, cmdpkt, cmdlen);
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66 }
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67
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68 init()
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69 {
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70 static u_char want_rvt_lost[9] = {CLI2RVI_WANT_RVTRACE,
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71 0xFF, 0xFF, 0xFF, 0xFF,
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72 0x00, 0x00, 0x00, 0x00};
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73 static u_char want_rvt_etm[9] = {CLI2RVI_WANT_RVTRACE,
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74 0xFF, 0xFF, 0xFF, 0xFF,
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75 0x00, 0x1E, 0x00, 0x04};
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76 static u_char want_etm_mux[2] = {CLI2RVI_WANT_MUXPROTO, RVT_TM_HEADER};
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77
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78 if (!sock)
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79 connect_local_socket();
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80 localsock_prep_for_length_rx();
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81 send_init_command(want_rvt_lost, 9);
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82 send_init_command(want_rvt_etm, 9);
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83 send_init_command(want_etm_mux, 2);
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84 }