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
42 static double
get_ticks(void)43 get_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
59 int
main(int argc,char ** argv)60 main (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
147 err:
148 munmap (map, st.st_size);
149
150 return ret;
151 }
152