[Fix] Do not pollute public headers with libev internals

src/libserver/dns.c

@@ -20,6 +20,7 @@
 #include "dns.h"
 #include "rspamd.h"
 #include "utlist.h"
+#include "contrib/libev/ev.h"
 #include "contrib/librdns/rdns.h"
 #include "contrib/librdns/dns_private.h"
 #include "contrib/librdns/rdns_ev.h"

src/libserver/dns.h

@@ -1,11 +1,11 @@
-/*-
- * Copyright 2016 Vsevolod Stakhov
+/*
+ * Copyright 2023 Vsevolod Stakhov
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *   http://www.apache.org/licenses/LICENSE-2.0
+ *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -31,13 +31,14 @@ extern "C" {
 
 struct rspamd_config;
 struct rspamd_task;
+struct event_loop;
 
 struct rspamd_dns_resolver {
 	struct rdns_resolver *r;
 	struct ev_loop *event_loop;
 	rspamd_lru_hash_t *fails_cache;
 	void *uidna;
-	ev_tstamp fails_cache_time;
+	double fails_cache_time;
 	struct upstream_list *ups;
 	struct rspamd_config *cfg;
 	gdouble request_timeout;

src/libutil/upstream.c

@@ -1,11 +1,11 @@
-/*-
- * Copyright 2016 Vsevolod Stakhov
+/*
+ * Copyright 2023 Vsevolod Stakhov
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *   http://www.apache.org/licenses/LICENSE-2.0
+ *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -21,6 +21,7 @@
 #include "rdns.h"
 #include "cryptobox.h"
 #include "utlist.h"
+#include "contrib/libev/ev.h"
 #include "logger.h"
 #include "contrib/librdns/rdns.h"
 #include "contrib/mumhash/mum.h"

src/libutil/upstream.h

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Vsevolod Stakhov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef UPSTREAM_H
 #define UPSTREAM_H
 
@@ -10,6 +26,9 @@
 extern "C" {
 #endif
 
+/* Forward declaration */
+struct ev_loop;
+
 enum rspamd_upstream_rotation {
 	RSPAMD_UPSTREAM_RANDOM = 0,
 	RSPAMD_UPSTREAM_HASHED,

src/libutil/util.c

@@ -19,6 +19,7 @@
 
 #include "ottery.h"
 #include "cryptobox.h"
+#include "contrib/libev/ev.h"
 
 #ifdef HAVE_TERMIOS_H
 #include <termios.h>

src/libutil/util.h

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Vsevolod Stakhov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef RSPAMD_UTIL_H
 #define RSPAMD_UTIL_H
 
@@ -12,7 +28,6 @@
 #include <netdb.h>
 #endif
 
-#include "contrib/libev/ev.h"
 #include <time.h>
 
 #ifdef __cplusplus