FreeCalypso > hg > freecalypso-tools

annotate rvinterf/old/before-rvinterf/rvtdump_tx.c @ 416:30f6d1c32c6f

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doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents e7502631a0f9
children
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1 /*
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2 * This module contains the implementation of the Tx extension to rvtdump
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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 "txpkt.h"
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14
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15 static char sockpath[] = "/tmp/rvt_send_socket";
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16
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17 int sendsock_fd;
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18 u_char sendsock_pkt[MAX_PKT_TO_TARGET];
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19 int sendsock_pktlen;
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20
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21 create_send_socket()
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22 {
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23 /* local socket binding voodoo copied from osmocon */
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24 struct sockaddr_un local;
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25 unsigned int namelen;
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26 int rc;
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27
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28 sendsock_fd = socket(AF_UNIX, SOCK_DGRAM, 0);
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29 if (sendsock_fd < 0) {
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30 perror("socket(AF_UNIX, SOCK_DGRAM, 0)");
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31 exit(1);
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32 }
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33
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34 local.sun_family = AF_UNIX;
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35 strncpy(local.sun_path, sockpath, sizeof(local.sun_path));
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36 local.sun_path[sizeof(local.sun_path) - 1] = '\0';
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37 unlink(local.sun_path);
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38
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39 /* we use the same magic that X11 uses in Xtranssock.c for
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40 * calculating the proper length of the sockaddr */
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41 #if defined(BSD44SOCKETS) || defined(__UNIXWARE__)
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42 local.sun_len = strlen(local.sun_path);
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43 #endif
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44 #if defined(BSD44SOCKETS) || defined(SUN_LEN)
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45 namelen = SUN_LEN(&local);
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46 #else
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47 namelen = strlen(local.sun_path) +
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48 offsetof(struct sockaddr_un, sun_path);
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49 #endif
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50
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51 rc = bind(sendsock_fd, (struct sockaddr *) &local, namelen);
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52 if (rc != 0) {
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53 perror("bind on local dgram socket");
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54 exit(1);
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55 }
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56
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57 return(0);
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58 }
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59
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60 handle_sendsock()
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61 {
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62 sendsock_pktlen = recv(sendsock_fd, sendsock_pkt, MAX_PKT_TO_TARGET, 0);
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63 if (sendsock_pktlen <= 0) {
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64 fprintf(stderr, "return value from recv on socket: %d\n",
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65 sendsock_pktlen);
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66 exit(1);
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67 }
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68 send_pkt_to_target(sendsock_pkt, sendsock_pktlen);
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69 log_sent_packet(sendsock_pkt, sendsock_pktlen);
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70 }