FreeCalypso > hg > freecalypso-sw

annotate rvinterf/libasync/init.c @ 992:a7b0b426f9ca

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target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 30 Dec 2015 21:28:41 +0000
parents 40b8557b9d04
children
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1 /*
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2 * This module contains the common initialization code for fc-tmsh and g23sh.
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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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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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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 }