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log: play back prior log entries when opening log.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2018-12-16 15:55:45 +10:30 committed by Christian Decker
parent a3a5ba5f21
commit c4ffec57b4
1 changed files with 7 additions and 0 deletions
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7
lightningd/log.c
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@ -502,6 +502,7 @@ static void setup_log_rotation(struct lightningd *ld)
char *arg_log_to_file(const char *arg, struct lightningd *ld)
{
const struct log_entry *i;
FILE *logf;
if (ld->logfile) {
@ -515,6 +516,12 @@ char *arg_log_to_file(const char *arg, struct lightningd *ld)
if (!logf)
return tal_fmt(NULL, "Failed to open: %s", strerror(errno));
set_log_outfn(ld->log->lr, log_to_file, logf);
/* Catch up */
list_for_each(&ld->log->lr->log, i, list)
maybe_print(ld->log, i, 0);
log_debug(ld->log, "Opened log file %s", arg);
return NULL;
}