auth: Add event with category "auth" to struct auth_request.

src/auth/auth-request-handler.c

@@ -517,7 +517,7 @@ bool auth_request_handler_auth_begin(struct auth_request_handler *handler,
 		}
 	}
 
-	request = auth_request_new(mech);
+	request = auth_request_new(mech, handler->conn->event);
 	request->handler = handler;
 	request->connect_uid = handler->connect_uid;
 	request->client_pid = handler->client_pid;

src/auth/auth-request.c

@@ -76,25 +76,31 @@ void auth_request_lookup_credentials_policy_continue(struct auth_request *reques
 static
 void auth_request_policy_check_callback(int result, void *context);
 
-struct auth_request *
-auth_request_new(const struct mech_module *mech)
+static void auth_request_post_alloc_init(struct auth_request *request, struct event *parent_event)
 {
-	struct auth_request *request;
-
-	request = mech->auth_new();
-
 	request->state = AUTH_REQUEST_STATE_NEW;
 	auth_request_state_count[AUTH_REQUEST_STATE_NEW]++;
-
 	request->refcount = 1;
 	request->last_access = ioloop_time;
 	request->session_pid = (pid_t)-1;
-
 	request->set = global_auth_settings;
 	request->debug = request->set->debug;
+	request->extra_fields = auth_fields_init(request->pool);
+	request->event = event_create(parent_event);
+	if (request->set->debug)
+		event_set_forced_debug(request->event, TRUE);
+	event_add_category(request->event, &event_category_auth);
+}
+
+struct auth_request *
+auth_request_new(const struct mech_module *mech, struct event *parent_event)
+{
+	struct auth_request *request;
+
+	request = mech->auth_new();
+	auth_request_post_alloc_init(request, parent_event);
 	request->mech = mech;
 	request->mech_name = mech->mech_name;
-	request->extra_fields = auth_fields_init(request->pool);
 	return request;
 }
 
@@ -107,15 +113,7 @@ struct auth_request *auth_request_new_dummy(void)
 	request = p_new(pool, struct auth_request, 1);
 	request->pool = pool;
 
-	request->state = AUTH_REQUEST_STATE_NEW;
-	auth_request_state_count[AUTH_REQUEST_STATE_NEW]++;
-
-	request->refcount = 1;
-	request->last_access = ioloop_time;
-	request->session_pid = (pid_t)-1;
-	request->set = global_auth_settings;
-	request->debug = request->set->debug;
-	request->extra_fields = auth_fields_init(request->pool);
+	auth_request_post_alloc_init(request, NULL);
 	return request;
 }
 
@@ -255,6 +253,7 @@ void auth_request_unref(struct auth_request **_request)
 	if (--request->refcount > 0)
 		return;
 
+	event_unref(&request->event);
 	auth_request_stats_send(request);
 	auth_request_state_count[request->state]--;
 	auth_refresh_proctitle();

src/auth/auth-request.h

@@ -33,6 +33,8 @@ struct auth_request {
 	int refcount;
 
 	pool_t pool;
+
+	struct event *event;
         enum auth_request_state state;
         /* user contains the user who is being authenticated.
            When master user is logging in as someone else, it gets more
@@ -173,7 +175,7 @@ extern const char auth_default_subsystems[2];
 #define AUTH_SUBSYS_MECH &auth_default_subsystems[1]
 
 struct auth_request *
-auth_request_new(const struct mech_module *mech);
+auth_request_new(const struct mech_module *mech, struct event *parent_event);
 struct auth_request *auth_request_new_dummy(void);
 void auth_request_init(struct auth_request *request);
 struct auth *auth_request_get_auth(struct auth_request *request);