commit c408720: [Minor] Allow to deinit resolver

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2019-09-27 12:46:54 +0100
URL: https://github.com/rspamd/rspamd/commit/c408720e08599ffecadaf1db2506d0afb5e72692

[Minor] Allow to deinit resolver

---
 src/libserver/dns.c | 16 ++++++++++++++++
 src/libserver/dns.h |  5 ++++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/libserver/dns.c b/src/libserver/dns.c
index cf4279cf0..bbc9c2b45 100644
--- a/src/libserver/dns.c
+++ b/src/libserver/dns.c
@@ -642,6 +642,22 @@ rspamd_dns_resolver_init (rspamd_logger_t *logger,
 	return dns_resolver;
 }
 
+void
+rspamd_dns_resolver_deinit (struct rspamd_dns_resolver *resolver)
+{
+	if (resolver) {
+		if (resolver->r) {
+			rdns_resolver_release (resolver->r);
+		}
+
+		if (resolver->ups) {
+			rspamd_upstreams_destroy (resolver->ups);
+		}
+
+		g_free (resolver);
+	}
+}
+
 
 static struct rdns_upstream_elt*
 rspamd_dns_select_upstream (const char *name,
diff --git a/src/libserver/dns.h b/src/libserver/dns.h
index a9d822703..87cc0954b 100644
--- a/src/libserver/dns.h
+++ b/src/libserver/dns.h
@@ -46,7 +46,10 @@ struct rspamd_dns_resolver {
  * Init DNS resolver, params are obtained from a config file or system file /etc/resolv.conf
  */
 struct rspamd_dns_resolver *rspamd_dns_resolver_init (rspamd_logger_t *logger,
-													  struct ev_loop *ev_base, struct rspamd_config *cfg);
+													  struct ev_loop *ev_base,
+													  struct rspamd_config *cfg);
+
+void rspamd_dns_resolver_deinit (struct rspamd_dns_resolver *resolver);
 
 struct rspamd_dns_request_ud;