122 lines
4.0 KiB
C
Executable File
122 lines
4.0 KiB
C
Executable File
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <stdint.h>
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#include <rte_hexdump.h>
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#include <rte_string_fns.h>
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#define LINE_LEN 128
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/**************************************************************************//**
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*
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* rte_hexdump - Dump out memory in a special hex dump format.
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*
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* DESCRIPTION
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* Dump out the message buffer in a special hex dump output format with characters
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* printed for each line of 16 hex values.
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*
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* RETURNS: N/A
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*
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* SEE ALSO:
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*/
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void
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rte_hexdump(const char * title, const void * buf, unsigned int len)
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{
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unsigned int i, out, ofs;
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const unsigned char *data = buf;
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char line[LINE_LEN]; /* space needed 8+16*3+3+16 == 75 */
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printf("%s at [%p], len=%u\n", (title)? title : " Dump data", data, len);
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ofs = 0;
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while (ofs < len) {
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/* format the line in the buffer, then use printf to output to screen */
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out = rte_snprintf(line, LINE_LEN, "%08X:", ofs);
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for (i = 0; ((ofs + i) < len) && (i < 16); i++)
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out += rte_snprintf(line+out, LINE_LEN - out, " %02X", (data[ofs+i] & 0xff));
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for(; i <= 16; i++)
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out += rte_snprintf(line+out, LINE_LEN - out, " | ");
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for(i = 0; (ofs < len) && (i < 16); i++, ofs++) {
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unsigned char c = data[ofs];
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if ( (c < ' ') || (c > '~'))
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c = '.';
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out += rte_snprintf(line+out, LINE_LEN - out, "%c", c);
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}
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printf("%s\n", line);
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}
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fflush(stdout);
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}
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/**************************************************************************//**
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*
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* rte_memdump - Dump out memory in hex bytes with colons.
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*
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* DESCRIPTION
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* Dump out the message buffer in hex bytes with colons xx:xx:xx:xx:...
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*
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* RETURNS: N/A
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*
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* SEE ALSO:
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*/
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void
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rte_memdump(const char * title, const void * buf, unsigned int len)
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{
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unsigned int i, out;
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const unsigned char *data = buf;
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char line[LINE_LEN];
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if ( title )
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printf("%s: ", title);
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line[0] = '\0';
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for (i = 0, out = 0; i < len; i++) {
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// Make sure we do not overrun the line buffer length.
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if ( out >= (LINE_LEN - 4) ) {
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printf("%s", line);
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out = 0;
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line[out] = '\0';
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}
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out += rte_snprintf(line+out, LINE_LEN - out, "%02x%s",
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(data[i] & 0xff), ((i+1) < len)? ":" : "");
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}
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if ( out > 0 )
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printf("%s", line);
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printf("\n");
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fflush(stdout);
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}
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