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add hexdump log formater

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This commit is contained in:
Andreas Schultz 2016-02-29 14:23:41 +01:00
parent 47b18b3763
commit c66dc85c04
2 changed files with 56 additions and 1 deletions
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53
src/common/capwap_logging.c
View File

@ -1,3 +1,5 @@
#include <ctype.h>
#include "capwap.h"
#include "capwap_logging.h"
@ -134,4 +136,55 @@ void capwap_logging_printf(int level, const char* format, ...) {
va_end(args);
}
void capwap_logging_hexdump(int level, const char *title, const uint8_t *data, size_t len)
{
char prefix[256];
if ((logginglevel == CAPWAP_LOGGING_NONE) ||
(level > logginglevel))
return;
#ifdef CAPWAP_MULTITHREADING_ENABLE
capwap_lock_enter(&l_loglock);
#endif
prefix_logging(level, prefix);
if (loggingoutputstdout || loggingoutputstderr) {
FILE* output = (loggingoutputstdout ? stdout : stderr);
const uint8_t *pos = data;
fprintf(output, "%s%s - hexdump(len=%zd):\n", prefix, title, len);
while (len) {
size_t llen;
int i;
llen = len > 16 ? 16 : len;
fprintf(output, "%s ", prefix);
for (i = 0; i < llen; i++)
fprintf(output, " %02x", pos[i]);
for (i = llen; i < 16; i++)
fprintf(output, " ");
fprintf(output, " ");
for (i = 0; i < llen; i++) {
if (isprint(pos[i]))
fprintf(output, "%c", pos[i]);
else
fprintf(output, ".");
}
for (i = llen; i < 16; i++)
fprintf(output, " ");
fprintf(output, "\n");
pos += llen;
len -= llen;
}
fflush(output);
}
#ifdef CAPWAP_MULTITHREADING_ENABLE
capwap_lock_exit(&l_loglock);
#endif
}
#endif

4
src/common/capwap_logging.h
View File

@ -24,8 +24,10 @@ void capwap_logging_disable_console(void);
/* */
#ifdef ENABLE_LOGGING
void capwap_logging_printf(int level, const char *format, ...);
void capwap_logging_hexdump(int level, const char *title, const uint8_t *data, size_t len);
#else
#define capwap_logging_printf(l, f, args...)
#define capwap_logging_printf(l, f, args...) do { } while (0)
#define capwap_logging_hexdump(l, t, d, len) do { } while (0)
#endif
/* */