FreeCalypso > hg > fc-rfcal-tools
annotate tsid-test/fc-tsid-shell.c @ 13:d7e436bf4876
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author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 21 May 2017 22:58:04 +0000 |
parents | bd62be88259d |
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rev | line source |
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1 /* |
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2 * This program connects to the RF calibration Test System Interface Daemon |
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3 * (TSID) over the local socket interface and allows manual human interaction |
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4 * with the TSID for development. |
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5 */ |
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6 |
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7 #include <sys/types.h> |
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8 #include <sys/socket.h> |
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9 #include <sys/un.h> |
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10 #include <sys/errno.h> |
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11 #include <stdio.h> |
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12 #include <string.h> |
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13 #include <strings.h> |
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14 #include <stdlib.h> |
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15 #include <unistd.h> |
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16 |
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17 extern int errno; |
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18 |
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19 static char default_socket_pathname[] = "/tmp/fc_rftest_socket"; |
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20 |
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21 char *socket_pathname; |
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22 int sock; |
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23 |
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24 connect_local_socket() |
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25 { |
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26 /* local socket binding voodoo copied from osmocon */ |
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27 struct sockaddr_un local; |
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28 unsigned int namelen; |
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29 int rc; |
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30 |
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31 sock = socket(AF_UNIX, SOCK_STREAM, 0); |
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32 if (sock < 0) { |
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33 perror("socket(AF_UNIX, SOCK_STREAM, 0)"); |
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34 exit(1); |
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35 } |
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36 |
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37 local.sun_family = AF_UNIX; |
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38 strncpy(local.sun_path, socket_pathname, sizeof(local.sun_path)); |
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39 local.sun_path[sizeof(local.sun_path) - 1] = '\0'; |
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40 |
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41 /* we use the same magic that X11 uses in Xtranssock.c for |
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42 * calculating the proper length of the sockaddr */ |
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43 #if defined(BSD44SOCKETS) || defined(__UNIXWARE__) |
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44 local.sun_len = strlen(local.sun_path); |
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45 #endif |
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46 #if defined(BSD44SOCKETS) || defined(SUN_LEN) |
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47 namelen = SUN_LEN(&local); |
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48 #else |
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49 namelen = strlen(local.sun_path) + |
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50 offsetof(struct sockaddr_un, sun_path) + 1; |
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51 #endif |
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52 |
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53 rc = connect(sock, (struct sockaddr *) &local, namelen); |
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54 if (rc != 0) { |
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55 perror(socket_pathname); |
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56 exit(1); |
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57 } |
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58 |
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59 return(0); |
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60 } |
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61 |
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62 main(argc, argv) |
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63 char **argv; |
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64 { |
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65 char buf[BUFSIZ]; |
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66 fd_set fds, fds1; |
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67 register int i, cc, max; |
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68 |
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69 switch (argc) { |
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70 case 1: |
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71 socket_pathname = default_socket_pathname; |
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72 break; |
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73 case 2: |
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74 socket_pathname = argv[1]; |
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75 break; |
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76 default: |
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77 fprintf(stderr, "usage: %s [socket-pathname]\n", argv[0]); |
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78 exit(1); |
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79 } |
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80 connect_local_socket(); |
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81 FD_ZERO(&fds); |
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82 FD_SET(0, &fds); |
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83 FD_SET(sock, &fds); |
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84 max = sock + 1; |
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85 for (;;) { |
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86 bcopy(&fds, &fds1, sizeof(fd_set)); |
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87 i = select(max, &fds1, NULL, NULL, NULL); |
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88 if (i < 0) { |
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89 if (errno == EINTR) |
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90 continue; |
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91 perror("select"); |
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92 exit(1); |
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93 } |
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94 if (FD_ISSET(0, &fds1)) { |
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95 cc = read(0, buf, sizeof buf); |
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96 if (cc <= 0) |
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97 exit(0); |
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98 write(sock, buf, cc); |
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99 } |
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100 if (FD_ISSET(sock, &fds1)) { |
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101 cc = read(sock, buf, sizeof buf); |
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102 if (cc <= 0) { |
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103 fprintf(stderr, "EOF/error on socket read\n"); |
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104 exit(1); |
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105 } |
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106 write(1, buf, cc); |
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107 } |
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108 } |
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109 } |