[sr-dev] git:master:bf6b1fef: dispatcher: turned ds_dns_mode values in bit flags

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: bf6b1feffeef81f43c9bffc75f7a1fbf5cd9caa7
URL: https://github.com/kamailio/kamailio/commit/bf6b1feffeef81f43c9bffc75f7a1fbf5cd9caa7

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2022-04-05T10:29:57+02:00

dispatcher: turned ds_dns_mode values in bit flags

---

Modified: src/modules/dispatcher/dispatch.c
Modified: src/modules/dispatcher/dispatch.h
Modified: src/modules/dispatcher/dispatcher.c

---

Diff:  https://github.com/kamailio/kamailio/commit/bf6b1feffeef81f43c9bffc75f7a1fbf5cd9caa7.diff
Patch: https://github.com/kamailio/kamailio/commit/bf6b1feffeef81f43c9bffc75f7a1fbf5cd9caa7.patch

---

diff --git a/src/modules/dispatcher/dispatch.c b/src/modules/dispatcher/dispatch.c
index d59eebe23e..b770a02a40 100644
--- a/src/modules/dispatcher/dispatch.c
+++ b/src/modules/dispatcher/dispatch.c
@@ -111,7 +111,7 @@ extern float ds_latency_estimator_alpha;
 extern int ds_attrs_none;
 extern param_t *ds_db_extra_attrs_list;
 extern int ds_load_mode;
-extern int ds_dns_mode;
+extern uint32_t ds_dns_mode;
 
 static db_func_t ds_dbf;
 static db1_con_t *ds_db_handle = NULL;
@@ -486,7 +486,7 @@ ds_dest_t *pack_dest(str iuri, int flags, int priority, str *attrs, int dload)
 	/* Do a DNS-Lookup for the Host-Name, if not disabled via dst flags */
 	if(dp->flags & DS_NODNSARES_DST) {
 		dp->irmode |= DS_IRMODE_NOIPADDR;
-	} else if (ds_dns_mode==DS_DNS_MODE_INIT || ds_dns_mode==DS_DNS_MODE_TIMER) {
+	} else if (ds_dns_mode & (DS_DNS_MODE_INIT|DS_DNS_MODE_TIMER)) {
 		he = resolvehost(hn);
 		if(he == 0) {
 			LM_ERR("could not resolve %.*s (missing no-probing flag?!?)\n",
diff --git a/src/modules/dispatcher/dispatch.h b/src/modules/dispatcher/dispatch.h
index 36e01e96ef..0d79386906 100644
--- a/src/modules/dispatcher/dispatch.h
+++ b/src/modules/dispatcher/dispatch.h
@@ -74,9 +74,9 @@
 
 #define DS_IRMODE_NOIPADDR	1
 
-#define DS_DNS_MODE_INIT   0
-#define DS_DNS_MODE_ALWAYS 1
-#define DS_DNS_MODE_TIMER  2
+#define DS_DNS_MODE_INIT   1
+#define DS_DNS_MODE_ALWAYS (1<<1)
+#define DS_DNS_MODE_TIMER  (1<<2)
 
 /* clang-format on */
 typedef struct ds_rctx {
diff --git a/src/modules/dispatcher/dispatcher.c b/src/modules/dispatcher/dispatcher.c
index 6317334fba..6a1b88c484 100644
--- a/src/modules/dispatcher/dispatcher.c
+++ b/src/modules/dispatcher/dispatcher.c
@@ -120,7 +120,8 @@ int ds_hash_check_interval = 30;
 int ds_timer_mode = 0;
 int ds_attrs_none = 0;
 int ds_load_mode = 0;
-int ds_dns_mode = 0;
+uint32_t ds_dns_mode = DS_DNS_INIT;
+static int ds_dns_mode_param = 0;
 
 str ds_outbound_proxy = STR_NULL;
 
@@ -297,7 +298,7 @@ static param_export_t params[]={
 	{"ds_db_extra_attrs",  PARAM_STR, &ds_db_extra_attrs},
 	{"ds_load_mode",       PARAM_INT, &ds_load_mode},
 	{"reload_delta",       PARAM_INT, &ds_reload_delta },
-	{"ds_dns_mode",        PARAM_INT, &ds_dns_mode},
+	{"ds_dns_mode",        PARAM_INT, &ds_dns_mode_param},
 	{0,0,0}
 };
 
@@ -327,11 +328,7 @@ static int mod_init(void)
 	param_hooks_t phooks;
 	param_t *pit = NULL;
 
-	if(ds_dns_mode!=DS_DNS_MODE_INIT && ds_dns_mode!=DS_DNS_MODE_ALWAYS
-			&& ds_dns_mode!=DS_DNS_MODE_TIMER) {
-		LM_ERR("invalid dns mode %d\n", ds_dns_mode);
-		return -1;
-	}
+	ds_dns_mode = 1U<<(unsigned int)ds_dns_mode_param;
 
 	if(ds_ping_active_init() < 0) {
 		return -1;