FreeCalypso > hg > freecalypso-tools

annotate rvinterf/libinterf/connect.c @ 752:c79aaed75bd8

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compile-fc-batt: allow possible third field in source lines Battery tables maintained in the fc-battery-conf repository will now have a third field added, defining thresholds for the battery bars icon, and there will be a new utility to compile them into the new /etc/batterytab2 file read by the FC Tourmaline version of our FCHG driver. For backward compatibility with the original Magnetite version of FCHG, compile-fc-batt remains the tool for compiling the original /etc/batterytab file format, and it needs to ignore the newly added third field in battery table sources.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 05 Nov 2020 20:37:55 +0000
parents 67d683a87b1d
children
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1 /*
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2 * Connecting to an already running rvinterf process
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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 #include "exitcodes.h"
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16
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17 char *socket_pathname = "/tmp/rvinterf_socket";
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18 int sock;
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19
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20 connect_local_socket()
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21 {
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22 /* local socket binding voodoo copied from osmocon */
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23 struct sockaddr_un local;
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24 unsigned int namelen;
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25 int rc;
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26
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27 sock = socket(AF_UNIX, SOCK_STREAM, 0);
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28 if (sock < 0) {
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29 perror("socket(AF_UNIX, SOCK_STREAM, 0)");
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30 exit(ERROR_UNIX);
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31 }
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32
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33 local.sun_family = AF_UNIX;
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34 strncpy(local.sun_path, socket_pathname, sizeof(local.sun_path));
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35 local.sun_path[sizeof(local.sun_path) - 1] = '\0';
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37 /* we use the same magic that X11 uses in Xtranssock.c for
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38 * calculating the proper length of the sockaddr */
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39 #if defined(BSD44SOCKETS) || defined(__UNIXWARE__)
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40 local.sun_len = strlen(local.sun_path);
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41 #endif
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42 #if defined(BSD44SOCKETS) || defined(SUN_LEN)
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43 namelen = SUN_LEN(&local);
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44 #else
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45 namelen = strlen(local.sun_path) +
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46 offsetof(struct sockaddr_un, sun_path) + 1;
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47 #endif
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48
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49 rc = connect(sock, (struct sockaddr *) &local, namelen);
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50 if (rc != 0) {
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51 perror(socket_pathname);
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52 exit(ERROR_RVINTERF);
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53 }
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54
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55 return(0);
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56 }