1/* Copyright (c) 2013, Vsevolod Stakhov
2 * All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *       * Redistributions of source code must retain the above copyright
7 *         notice, this list of conditions and the following disclaimer.
8 *       * Redistributions in binary form must reproduce the above copyright
9 *         notice, this list of conditions and the following disclaimer in the
10 *         documentation and/or other materials provided with the distribution.
11 *
12 * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
13 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
14 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
15 * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
16 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
17 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
18 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
19 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
20 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22 */
23
24#include <sys/types.h>
25#include <sys/mman.h>
26#include <sys/stat.h>
27#include <sys/time.h>
28#include <stdio.h>
29#include <errno.h>
30#include <unistd.h>
31#include <fcntl.h>
32#include <time.h>
33
34#ifdef __APPLE__
35#ifdef HAVE_MACH_MACH_TIME_H
36#include <mach/mach_time.h>
37#endif
38#endif
39
40#include "ucl.h"
41
42static double
43get_ticks (void)
44{
45	double res;
46
47#ifdef __APPLE__
48	res = mach_absolute_time () / 1000000000.;
49#else
50	struct timespec ts;
51	clock_gettime (CLOCK_MONOTONIC, &ts);
52
53	res = (double)ts.tv_sec + ts.tv_nsec / 1000000000.;
54#endif
55
56	return res;
57}
58
59int
60main (int argc, char **argv)
61{
62	void *map;
63	struct ucl_parser *parser;
64	ucl_object_t *obj;
65	int fin;
66	unsigned char *emitted;
67	struct stat st;
68	const char *fname_in = NULL;
69	int ret = 0;
70	double start, end, seconds;
71
72	switch (argc) {
73	case 2:
74		fname_in = argv[1];
75		break;
76	}
77
78	fin = open (fname_in, O_RDONLY);
79	if (fin == -1) {
80		perror ("open failed");
81		exit (EXIT_FAILURE);
82	}
83	parser = ucl_parser_new (UCL_PARSER_ZEROCOPY);
84
85	(void)fstat (fin, &st);
86	map = mmap (NULL, st.st_size, PROT_READ, MAP_SHARED, fin, 0);
87	if (map == MAP_FAILED) {
88		perror ("mmap failed");
89		exit (EXIT_FAILURE);
90	}
91
92	close (fin);
93
94	start = get_ticks ();
95	ucl_parser_add_chunk (parser, map, st.st_size);
96
97	obj = ucl_parser_get_object (parser);
98	end = get_ticks ();
99
100	seconds = end - start;
101	printf ("ucl: parsed input in %.4f seconds\n", seconds);
102	if (ucl_parser_get_error(parser)) {
103		printf ("Error occurred: %s\n", ucl_parser_get_error(parser));
104		ret = 1;
105		goto err;
106	}
107
108	start = get_ticks ();
109	emitted = ucl_object_emit (obj, UCL_EMIT_CONFIG);
110	end = get_ticks ();
111
112	seconds = end - start;
113	printf ("ucl: emitted config in %.4f seconds\n", seconds);
114
115	free (emitted);
116
117	start = get_ticks ();
118	emitted = ucl_object_emit (obj, UCL_EMIT_JSON);
119	end = get_ticks ();
120
121	seconds = end - start;
122	printf ("ucl: emitted json in %.4f seconds\n", seconds);
123
124	free (emitted);
125
126	start = get_ticks ();
127	emitted = ucl_object_emit (obj, UCL_EMIT_JSON_COMPACT);
128	end = get_ticks ();
129
130	seconds = end - start;
131	printf ("ucl: emitted compact json in %.4f seconds\n", seconds);
132
133	free (emitted);
134
135	start = get_ticks ();
136	emitted = ucl_object_emit (obj, UCL_EMIT_YAML);
137	end = get_ticks ();
138
139	seconds = end - start;
140	printf ("ucl: emitted yaml in %.4f seconds\n", seconds);
141
142	free (emitted);
143
144	ucl_parser_free (parser);
145	ucl_object_unref (obj);
146
147err:
148	munmap (map, st.st_size);
149
150	return ret;
151}
152