2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 Copyright (c) 2001, 2002, 2003 Eliot Dresselhaus
18 Permission is hereby granted, free of charge, to any person obtaining
19 a copy of this software and associated documentation files (the
20 "Software"), to deal in the Software without restriction, including
21 without limitation the rights to use, copy, modify, merge, publish,
22 distribute, sublicense, and/or sell copies of the Software, and to
23 permit persons to whom the Software is furnished to do so, subject to
24 the following conditions:
26 The above copyright notice and this permission notice shall be
27 included in all copies or substantial portions of the Software.
29 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
30 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
31 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
32 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
33 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
34 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
35 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38 #include <vppinfra/format.h>
43 format_vec32 (u8 * s, va_list * va)
45 u32 *v = va_arg (*va, u32 *);
46 char *fmt = va_arg (*va, char *);
48 for (i = 0; i < vec_len (v); i++)
52 s = format (s, fmt, v[i]);
58 format_vec_uword (u8 * s, va_list * va)
60 uword *v = va_arg (*va, uword *);
61 char *fmt = va_arg (*va, char *);
63 for (i = 0; i < vec_len (v); i++)
67 s = format (s, fmt, v[i]);
72 /* Ascii buffer and length. */
74 format_ascii_bytes (u8 * s, va_list * va)
76 u8 *v = va_arg (*va, u8 *);
77 uword n_bytes = va_arg (*va, uword);
78 vec_add (s, v, n_bytes);
82 /* Format hex dump. */
84 format_hex_bytes (u8 * s, va_list * va)
86 u8 *bytes = va_arg (*va, u8 *);
87 int n_bytes = va_arg (*va, int);
90 /* Print short or long form depending on byte count. */
91 uword short_form = n_bytes <= 32;
92 u32 indent = format_get_indent (s);
97 for (i = 0; i < n_bytes; i++)
99 if (!short_form && (i % 32) == 0)
100 s = format (s, "%08x: ", i);
102 s = format (s, "%02x", bytes[i]);
104 if (!short_form && ((i + 1) % 32) == 0 && (i + 1) < n_bytes)
105 s = format (s, "\n%U", format_white_space, indent);
112 format_hex_bytes_no_wrap (u8 * s, va_list * va)
114 u8 *bytes = va_arg (*va, u8 *);
115 int n_bytes = va_arg (*va, int);
121 for (i = 0; i < n_bytes; i++)
122 s = format (s, "%02x", bytes[i]);
127 /* Add variable number of spaces. */
129 format_white_space (u8 * s, va_list * va)
131 u32 n = va_arg (*va, u32);
138 format_time_interval (u8 * s, va_list * args)
140 u8 *fmt = va_arg (*args, u8 *);
141 f64 t = va_arg (*args, f64);
144 const f64 seconds_per_minute = 60;
145 const f64 seconds_per_hour = 60 * seconds_per_minute;
146 const f64 seconds_per_day = 24 * seconds_per_hour;
147 uword days, hours, minutes, secs, msecs, usecs;
149 days = t / seconds_per_day;
150 t -= days * seconds_per_day;
152 hours = t / seconds_per_hour;
153 t -= hours * seconds_per_hour;
155 minutes = t / seconds_per_minute;
156 t -= minutes * seconds_per_minute;
164 for (f = fmt; *f; f++)
167 char *what_fmt = "%d";
201 s = format (s, what_fmt, what);
207 /* Format base 10 e.g. 100, 100K, 100M, 100G */
209 format_base10 (u8 *s, va_list *va)
211 uword size = va_arg (*va, uword);
214 s = format (s, "%d", size);
215 else if (size < 1000000)
216 s = format (s, "%.2fK", (f64) size / 1000.);
217 else if (size < 1000000000)
218 s = format (s, "%.2fM", (f64) size / 1000000.);
220 s = format (s, "%.2fG", (f64) size / 1000000000.);
225 /* Unparse memory size e.g. 100, 100k, 100m, 100g. */
227 format_memory_size (u8 * s, va_list * va)
229 uword size = va_arg (*va, uword);
232 l = size > 0 ? min_log2 (size) : 0;
242 u = (uword) 1 << log_u;
244 s = format (s, "%.2f", (f64) size / (f64) u);
246 s = format (s, "%d", size >> log_u);
249 s = format (s, "%c", " kmg"[log_u / 10]);
254 /* Parse memory size e.g. 100, 100k, 100m, 100g. */
256 unformat_memory_size (unformat_input_t * input, va_list * va)
258 uword amount, shift, c;
259 uword *result = va_arg (*va, uword *);
261 if (!unformat (input, "%wd%_", &amount))
264 c = unformat_get_input (input);
281 unformat_put_input (input);
285 *result = amount << shift;
289 /* Unparse memory page size e.g. 4K, 2M */
291 format_log2_page_size (u8 * s, va_list * va)
293 clib_mem_page_sz_t log2_page_sz = va_arg (*va, clib_mem_page_sz_t);
295 if (log2_page_sz == CLIB_MEM_PAGE_SZ_UNKNOWN)
296 return format (s, "unknown");
298 if (log2_page_sz == CLIB_MEM_PAGE_SZ_DEFAULT)
299 return format (s, "default");
301 if (log2_page_sz == CLIB_MEM_PAGE_SZ_DEFAULT_HUGE)
302 return format (s, "default-hugepage");
304 if (log2_page_sz >= 30)
305 return format (s, "%uG", 1 << (log2_page_sz - 30));
307 if (log2_page_sz >= 20)
308 return format (s, "%uM", 1 << (log2_page_sz - 20));
310 if (log2_page_sz >= 10)
311 return format (s, "%uK", 1 << (log2_page_sz - 10));
313 return format (s, "%u", 1 << log2_page_sz);
316 /* Parse memory page size e.g. 4K, 2M */
318 unformat_log2_page_size (unformat_input_t * input, va_list * va)
321 clib_mem_page_sz_t *result = va_arg (*va, clib_mem_page_sz_t *);
323 if (unformat (input, "default-hugepage"))
324 *result = CLIB_MEM_PAGE_SZ_DEFAULT_HUGE;
325 else if (unformat (input, "default"))
326 *result = CLIB_MEM_PAGE_SZ_DEFAULT;
327 else if (unformat (input, "%wdk", &amount))
328 *result = min_log2 (amount) + 10;
329 else if (unformat (input, "%wdK", &amount))
330 *result = min_log2 (amount) + 10;
331 else if (unformat (input, "%wdm", &amount))
332 *result = min_log2 (amount) + 20;
333 else if (unformat (input, "%wdM", &amount))
334 *result = min_log2 (amount) + 20;
335 else if (unformat (input, "%wdg", &amount))
336 *result = min_log2 (amount) + 30;
337 else if (unformat (input, "%wdG", &amount))
338 *result = min_log2 (amount) + 30;
344 /* Format c identifier: e.g. a_name -> "a name".
345 Works for both vector names and null terminated c strings. */
347 format_c_identifier (u8 * s, va_list * va)
349 u8 *id = va_arg (*va, u8 *);
353 if (clib_mem_is_vec (id))
357 for (i = 0; i < l && id[i] != 0; i++)
370 format_hexdump (u8 * s, va_list * args)
372 u8 *data = va_arg (*args, u8 *);
373 uword len = va_arg (*args, uword);
375 const int line_len = 16;
378 u32 indent = format_get_indent (s);
383 for (i = 0; i < len; i++)
385 line_hex = format (line_hex, "%02x ", data[i]);
386 line_str = format (line_str, "%c", isprint (data[i]) ? data[i] : '.');
387 if (!((i + 1) % line_len))
389 s = format (s, "%U%05x: %v[%v]",
390 format_white_space, index ? indent : 0,
391 index, line_hex, line_str);
393 s = format (s, "\n");
395 vec_reset_length (line_hex);
396 vec_reset_length (line_str);
400 while (i++ % line_len)
401 line_hex = format (line_hex, " ");
403 if (vec_len (line_hex))
404 s = format (s, "%U%05x: %v[%v]",
405 format_white_space, index ? indent : 0,
406 index, line_hex, line_str);
415 * fd.io coding-style-patch-verification: ON
418 * eval: (c-set-style "gnu")