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log: add easy way to log hex blobs.

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Use it in one case, and also fix another logging FIXME.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-08-31 16:06:32 +09:30
parent 87af51a422
commit bb0bf2b5ad
4 changed files with 42 additions and 4 deletions
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16
daemon/log.h
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@@ -42,6 +42,22 @@ void log_(struct log *log, enum log_level level, const char *fmt, ...)
void log_add(struct log *log, const char *fmt, ...) PRINTF_FMT(2,3);
void logv(struct log *log, enum log_level level, const char *fmt, va_list ap);
void log_blob_(struct log *log, enum log_level level, const char *fmt,
size_t len, ...)
PRINTF_FMT(3,5);
/* These must have %s where the blob is to go. */
#define log_add_blob(log, fmt, blob, len) \
log_blob_((log), -1, (fmt), (len), (char *)(blob))
#define log_debug_blob(log, fmt, blob, len) \
log_blob_((log), LOG_DBG, (fmt), (len), (char *)(blob))
#define log_info_blob(log, fmt, blob, len) \
log_blob_((log), LOG_INFORM, (fmt), (len), (char *)(blob))
#define log_unusual_blob(log, fmt, blob, len) \
log_blob_((log), LOG_UNUSUAL, (fmt), (len), (char *)(blob))
#define log_broken_blob(log, fmt, blob, len) \
log_blob_((log), LOG_BROKEN, (fmt), (len), (char *)(blob))
/* Makes sure ptr is a 'structtype', makes sure it's in loggable_structs. */
#define log_struct_check_(log, loglevel, fmt, structtype, ptr) \