1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* libiio - Library for interfacing industrial I/O (IIO) devices
*
* Copyright (C) 2014 Analog Devices, Inc.
* Author: Paul Cercueil <paul.cercueil@analog.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* */
#include <getopt.h>
#include <iio.h>
#include <stdio.h>
#include <string.h>
#ifndef _WIN32
#define _strdup strdup
#endif
#define MY_NAME "iio_genxml"
enum backend {
LOCAL,
XML,
NETWORK,
AUTO,
};
static const struct option options[] = {
{"help", no_argument, 0, 'h'},
{"xml", required_argument, 0, 'x'},
{"network", required_argument, 0, 'n'},
{"uri", required_argument, 0, 'u'},
{0, 0, 0, 0},
};
static const char *options_descriptions[] = {
"Show this help and quit.",
"Use the XML backend with the provided XML file.",
"Use the network backend with the provided hostname.",
"Use the context with the provided URI.",
};
static void usage(void)
{
unsigned int i;
printf("Usage:\n\t" MY_NAME " [-x <xml_file>]\n\t"
MY_NAME " [-u <uri>]\n\t"
MY_NAME " [-n <hostname>]\n\nOptions:\n");
for (i = 0; options[i].name; i++)
printf("\t-%c, --%s\n\t\t\t%s\n",
options[i].val, options[i].name,
options_descriptions[i]);
}
int main(int argc, char **argv)
{
char *xml;
struct iio_context *ctx;
int c, option_index = 0;
const char *arg_uri = NULL;
const char *arg_xml = NULL;
const char *arg_ip = NULL;
enum backend backend = LOCAL;
while ((c = getopt_long(argc, argv, "+hn:x:u:",
options, &option_index)) != -1) {
switch (c) {
case 'h':
usage();
return EXIT_SUCCESS;
case 'n':
if (backend != LOCAL) {
fprintf(stderr, "-x and -n are mutually exclusive\n");
return EXIT_FAILURE;
}
backend = NETWORK;
arg_ip = optarg;
break;
case 'x':
if (backend != LOCAL) {
fprintf(stderr, "-x and -n are mutually exclusive\n");
return EXIT_FAILURE;
}
backend = XML;
arg_xml = optarg;
break;
case 'u':
arg_uri = optarg;
backend = AUTO;
break;
case '?':
return EXIT_FAILURE;
}
}
if (optind != argc) {
fprintf(stderr, "Incorrect number of arguments.\n\n");
usage();
return EXIT_FAILURE;
}
if (backend == AUTO)
ctx = iio_create_context_from_uri(arg_uri);
else if (backend == XML)
ctx = iio_create_xml_context(arg_xml);
else if (backend == NETWORK)
ctx = iio_create_network_context(arg_ip);
else
ctx = iio_create_default_context();
if (!ctx) {
fprintf(stderr, "Unable to create IIO context\n");
return EXIT_FAILURE;
}
xml = _strdup(iio_context_get_xml(ctx));
if (!xml) {
iio_context_destroy(ctx);
return EXIT_FAILURE;
}
printf("XML generated:\n\n%s\n\n", xml);
iio_context_destroy(ctx);
ctx = iio_create_xml_context_mem(xml, strlen(xml));
if (!ctx) {
fprintf(stderr, "Unable to re-generate context\n");
} else {
printf("Context re-creation from generated XML succeeded!\n");
iio_context_destroy(ctx);
}
free(xml);
return EXIT_SUCCESS;
}
|
