DrathOrg/libratbag-plus
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add log buffer functionality

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Useful to debug the incoming and outgoing data.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
This commit is contained in:
Benjamin Tissoires
2015-08-20 11:40:11 -04:00
parent 793df27e90
commit f2bec4d8f7
2 changed files with 51 additions and 0 deletions
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9
src/libratbag-private.h
View File

@@ -25,6 +25,7 @@
#define LIBRATBAG_PRIVATE_H
#include <linux/input.h>
#include <stdint.h>
#include "libratbag.h"
#include "libratbag-util.h"
@@ -244,6 +245,11 @@ log_msg_va(struct ratbag *ratbag,
void log_msg(struct ratbag *ratbag,
enum ratbag_log_priority priority,
const char *format, ...);
void
log_buffer(struct ratbag *ratbag,
enum ratbag_log_priority priority,
const char *header,
uint8_t *buf, size_t len);
#define log_debug(li_, ...) log_msg((li_), RATBAG_LOG_PRIORITY_DEBUG, __VA_ARGS__)
#define log_info(li_, ...) log_msg((li_), RATBAG_LOG_PRIORITY_INFO, __VA_ARGS__)
@@ -251,6 +257,9 @@ void log_msg(struct ratbag *ratbag,
#define log_bug_kernel(li_, ...) log_msg((li_), RATBAG_LOG_PRIORITY_ERROR, "kernel bug: " __VA_ARGS__)
#define log_bug_libratbag(li_, ...) log_msg((li_), RATBAG_LOG_PRIORITY_ERROR, "libratbag bug: " __VA_ARGS__)
#define log_bug_client(li_, ...) log_msg((li_), LIBRATBAG_LOG_PRIORITY_ERROR, "client bug: " __VA_ARGS__)
#define log_buf_debug(li_, h_, buf_, len_) log_buffer(li_, RATBAG_LOG_PRIORITY_DEBUG, h_, buf_, len_)
#define log_buf_info(li_, h_, buf_, len_) log_buffer(li_, RATBAG_LOG_PRIORITY_INFO, h_, buf_, len_)
#define log_buf_error(li_, h_, buf_, len_) log_buffer(li_, RATBAG_LOG_PRIORITY_ERROR, h_, buf_, len_)
/* list of all supported drivers */
struct ratbag_driver etekcity_driver;

42
src/libratbag.c
View File

@@ -78,6 +78,48 @@ log_msg(struct ratbag *ratbag,
va_end(args);
}
void
log_buffer(struct ratbag *ratbag,
enum ratbag_log_priority priority,
const char *header,
uint8_t *buf, size_t len)
{
char *output_buf;
char *sep = "";
unsigned int i, n;
unsigned int buf_len;
if (ratbag->log_handler &&
ratbag->log_priority > priority)
return;
buf_len = header ? strlen(header) : 0;
buf_len += len * 3;
buf_len += 1; /* terminating '\0' */
output_buf = zalloc(buf_len);
if (!output_buf) {
if (header)
log_msg(ratbag, priority, "%s ......", header);
else
log_msg(ratbag, priority, " ......");
return;
}
n = 0;
if (header)
n += sprintf(output_buf, "%s", header);
for (i = 0; i < len; ++i) {
n += sprintf(&output_buf[n], "%s%02x", sep, buf[i] & 0xFF);
sep = " ";
}
log_msg(ratbag, priority, "%s\n", output_buf);
free(output_buf);
}
LIBRATBAG_EXPORT void
ratbag_log_set_priority(struct ratbag *ratbag,
enum ratbag_log_priority priority)