FreeCalypso > hg > freecalypso-tools
annotate rvinterf/old/before-rvinterf/rvtdump_tx.c @ 602:ea948d6d3b3d
CHANGES: pcm-sms-decode documented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 10 Feb 2020 03:10:20 +0000 |
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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 } |