Minor fixes to command line help
[project/uqmi.git] / 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 "\n", progname);
51 return 1;
52 }
53
54 static void keep_client_id(struct qmi_dev *qmi, const char *optarg)
55 {
56 QmiService svc = qmi_service_get_by_name(optarg);
57 if (svc < 0) {
58 fprintf(stderr, "Invalid service %s\n", optarg);
59 exit(1);
60 }
61 qmi_service_get_client_id(qmi, svc);
62 }
63
64 static void release_client_id(struct qmi_dev *qmi, const char *optarg)
65 {
66 QmiService svc = qmi_service_get_by_name(optarg);
67 if (svc < 0) {
68 fprintf(stderr, "Invalid service %s\n", optarg);
69 exit(1);
70 }
71 qmi_service_release_client_id(qmi, svc);
72 }
73
74 static void handle_exit_signal(int signal)
75 {
76 cancel_all_requests = true;
77 uloop_end();
78 }
79
80 int main(int argc, char **argv)
81 {
82 static struct qmi_dev dev;
83 int ch, ret;
84
85 uloop_init();
86 signal(SIGINT, handle_exit_signal);
87 signal(SIGTERM, handle_exit_signal);
88
89 while ((ch = getopt_long(argc, argv, "d:k:s", uqmi_getopt, NULL)) != -1) {
90 int cmd_opt = CMD_OPT(ch);
91
92 if (ch < 0 && cmd_opt >= 0 && cmd_opt < __UQMI_COMMAND_LAST) {
93 uqmi_add_command(optarg, cmd_opt);
94 continue;
95 }
96
97 switch(ch) {
98 case 'r':
99 release_client_id(&dev, optarg);
100 break;
101 case 'k':
102 keep_client_id(&dev, optarg);
103 break;
104 case 'd':
105 device = optarg;
106 break;
107 case 's':
108 single_line = true;
109 break;
110 default:
111 return usage(argv[0]);
112 }
113 }
114
115 if (!device) {
116 fprintf(stderr, "No device given\n");
117 return usage(argv[0]);
118 }
119
120 if (qmi_device_open(&dev, device)) {
121 fprintf(stderr, "Failed to open device\n");
122 return 2;
123 }
124
125 ret = uqmi_run_commands(&dev) ? 0 : -1;
126
127 qmi_device_close(&dev);
128
129 return ret;
130 }