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autoclean: allow dynamic changes to autoclean-cycle.

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Slightly less trivial: reset timer unless it's currently running callback.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2023-06-06 10:08:53 +09:30
parent f8f8045a06
commit 263625872e
3 changed files with 29 additions and 8 deletions
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28
plugins/autoclean.c
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@@ -61,6 +61,7 @@ static u64 cycle_seconds = 3600;
static struct clean_info timer_cinfo;
static u64 total_cleaned[NUM_SUBSYSTEM];
static struct plugin *plugin;
/* This is NULL if it's running now. */
static struct plugin_timer *cleantimer;
static void do_clean_timer(void *unused);
@@ -439,6 +440,7 @@ static struct command_result *do_clean(struct clean_info *cinfo)
static void do_clean_timer(void *unused)
{
assert(timer_cinfo.cleanup_reqs_remaining == 0);
cleantimer = NULL;
do_clean(&timer_cinfo);
}
@@ -587,6 +589,22 @@ static const char *init(struct plugin *p,
return NULL;
}
static char *cycle_seconds_option(struct plugin *plugin, const char *arg,
void *unused)
{
char *problem = u64_option(plugin, arg, &cycle_seconds);
if (problem)
return problem;
/* If timer is not running right now, reset it to new cycle_seconds */
if (cleantimer) {
tal_free(cleantimer);
cleantimer = plugin_timer(plugin, time_from_sec(cycle_seconds),
do_clean_timer, NULL);
}
return NULL;
}
static const struct plugin_command commands[] = { {
"autocleaninvoice",
"payment",
@@ -626,11 +644,11 @@ int main(int argc, char *argv[])
" invoices that have expired for at least"
" this given seconds are cleaned",
u64_option, &timer_cinfo.subsystem_age[EXPIREDINVOICES]),
plugin_option("autoclean-cycle",
"int",
"Perform cleanup every"
" given seconds",
u64_option, &cycle_seconds),
plugin_option_dynamic("autoclean-cycle",
"int",
"Perform cleanup every"
" given seconds",
cycle_seconds_option, NULL),
plugin_option_dynamic("autoclean-succeededforwards-age",
"int",
"How old do successful forwards have to be before deletion (0 = never)",