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/*
* librd - Rapid Development C library
*
* Copyright (c) 2012-2013, Magnus Edenhill
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "rdkafka_int.h"
#include "rdlog.h"
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
void rd_hexdump(FILE *fp, const char *name, const void *ptr, size_t len) {
const char *p = (const char *)ptr;
size_t of = 0;
if (name)
fprintf(fp, "%s hexdump (%" PRIusz " bytes):\n", name, len);
for (of = 0; of < len; of += 16) {
char hexen[16 * 3 + 1];
char charen[16 + 1];
int hof = 0;
int cof = 0;
unsigned int i;
for (i = (unsigned int)of; i < (unsigned int)of + 16 && i < len;
i++) {
hof += rd_snprintf(hexen + hof, sizeof(hexen) - hof,
"%02x ", p[i] & 0xff);
cof +=
rd_snprintf(charen + cof, sizeof(charen) - cof,
"%c", isprint((int)p[i]) ? p[i] : '.');
}
fprintf(fp, "%08zx: %-48s %-16s\n", of, hexen, charen);
}
}
void rd_iov_print(const char *what,
int iov_idx,
const struct iovec *iov,
int hexdump) {
printf("%s: iov #%i: %" PRIusz "\n", what, iov_idx,
(size_t)iov->iov_len);
if (hexdump)
rd_hexdump(stdout, what, iov->iov_base, iov->iov_len);
}
void rd_msghdr_print(const char *what, const struct msghdr *msg, int hexdump) {
int i;
size_t len = 0;
printf("%s: iovlen %" PRIusz "\n", what, (size_t)msg->msg_iovlen);
for (i = 0; i < (int)msg->msg_iovlen; i++) {
rd_iov_print(what, i, &msg->msg_iov[i], hexdump);
len += msg->msg_iov[i].iov_len;
}
printf("%s: ^ message was %" PRIusz " bytes in total\n", what, len);
}
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