main.c

   1 #include <libubox/uloop.h>
   2 #include <libubox/utils.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <fcntl.h>
   6 #include <unistd.h>
   7 #include <errno.h>
   8 #include <getopt.h>
   9 #include <signal.h>
  10
  11 #include "uqmi.h"
  12 #include "commands.h"
  13
  14 static const char *device;
  15
  16 #define CMD_OPT(_arg) (-2 - _arg)
  17
  18 #define __uqmi_command(_name, _optname, _arg, _option) { #_optname, _arg##_argument, NULL, CMD_OPT(__UQMI_COMMAND_##_name) }
  19 static const struct option uqmi_getopt[] = {
  20         __uqmi_commands,
  21         { "single", no_argument, NULL, 's' },
  22         { "device", required_argument, NULL, 'd' },
  23         { "keep-client-id", required_argument, NULL, 'k' },
  24         { "release-client-id", required_argument, NULL, 'r' },
  25         { NULL, 0, NULL, 0 }
  26 };
  27 #undef __uqmi_command
  28
  29 static int usage(const char *progname)
  30 {
  31         fprintf(stderr, "Usage: %s <options|actions>\n"
  32                 "Options:\n"
  33                 "  --single, -s:                     Print output as a single line (for scripts)\n"
  34                 "  --device=NAME, -d NAME:           Set device name to NAME (required)\n"
  35                 "  --keep-client-id <name>:          Keep Client ID for service <name>\n"
  36                 "  --release-client-id <name>:       Release Client ID after exiting\n"
  37                 "\n"
  38                 "Services:                           dms, nas, pds, wds, wms\n"
  39                 "\n"
  40                 "Actions:\n"
  41                 "  --get-versions:                   Get service versions\n"
  42                 "  --set-client-id <name>,<id>:      Set Client ID for service <name> to <id>\n"
  43                 "                                    (implies --keep-client-id)\n"
  44                 "  --get-client-id <name>:           Connect and get Client ID for service <name>\n"
  45                 "                                    (implies --keep-client-id)\n"
  46                 wds_helptext
  47                 dms_helptext
  48                 nas_helptext
  49                 wms_helptext
  50                 wda_helptext
  51                 "\n", progname);
  52         return 1;
  53 }
  54
  55 static void keep_client_id(struct qmi_dev *qmi, const char *optarg)
  56 {
  57         QmiService svc = qmi_service_get_by_name(optarg);
  58         if (svc < 0) {
  59                 fprintf(stderr, "Invalid service %s\n", optarg);
  60                 exit(1);
  61         }
  62         qmi_service_get_client_id(qmi, svc);
  63 }
  64
  65 static void release_client_id(struct qmi_dev *qmi, const char *optarg)
  66 {
  67         QmiService svc = qmi_service_get_by_name(optarg);
  68         if (svc < 0) {
  69                 fprintf(stderr, "Invalid service %s\n", optarg);
  70                 exit(1);
  71         }
  72         qmi_service_release_client_id(qmi, svc);
  73 }
  74
  75 static void handle_exit_signal(int signal)
  76 {
  77         cancel_all_requests = true;
  78         uloop_end();
  79 }
  80
  81 int main(int argc, char **argv)
  82 {
  83         static struct qmi_dev dev;
  84         int ch, ret;
  85
  86         uloop_init();
  87         signal(SIGINT, handle_exit_signal);
  88         signal(SIGTERM, handle_exit_signal);
  89
  90         while ((ch = getopt_long(argc, argv, "d:k:s", uqmi_getopt, NULL)) != -1) {
  91                 int cmd_opt = CMD_OPT(ch);
  92
  93                 if (ch < 0 && cmd_opt >= 0 && cmd_opt < __UQMI_COMMAND_LAST) {
  94                         uqmi_add_command(optarg, cmd_opt);
  95                         continue;
  96                 }
  97
  98                 switch(ch) {
  99                 case 'r':
 100                         release_client_id(&dev, optarg);
 101                         break;
 102                 case 'k':
 103                         keep_client_id(&dev, optarg);
 104                         break;
 105                 case 'd':
 106                         device = optarg;
 107                         break;
 108                 case 's':
 109                         single_line = true;
 110                         break;
 111                 default:
 112                         return usage(argv[0]);
 113                 }
 114         }
 115
 116         if (!device) {
 117                 fprintf(stderr, "No device given\n");
 118                 return usage(argv[0]);
 119         }
 120
 121         if (qmi_device_open(&dev, device)) {
 122                 fprintf(stderr, "Failed to open device\n");
 123                 return 2;
 124         }
 125
 126         ret = uqmi_run_commands(&dev) ? 0 : -1;
 127
 128         qmi_device_close(&dev);
 129
 130         return ret;
 131 }