imap-urlauth: Add event with "imap-urlauth" category to struct client…

… of imap-urlauth

src/imap-urlauth/imap-urlauth-client.c

@@ -38,6 +38,10 @@
 #define IS_STANDALONE() \
         (getenv(MASTER_IS_PARENT_ENV) == NULL)
 
+struct event_category event_category_urlauth = {
+	.name = "imap-urlauth",
+};
+
 struct client *imap_urlauth_clients;
 unsigned int imap_urlauth_client_count;
 
@@ -62,6 +66,11 @@ int client_create(const char *service, const char *username,
 	client->fd_ctrl = -1;
 	client->set = set;
 
+	client->event = event_create(NULL);
+	if (set->mail_debug)
+		event_set_forced_debug(client->event, TRUE);
+	event_add_category(client->event, &event_category_urlauth);
+
 	if (client_worker_connect(client) < 0) {
 		i_free(client);
 		return -1;
@@ -340,6 +349,8 @@ void client_destroy(struct client *client, const char *reason)
 
 	fd_close_maybe_stdio(&client->fd_in, &client->fd_out);
 
+	event_unref(&client->event);
+
 	i_free(client->username);
 	i_free(client->service);
 	array_free(&client->access_apps);

src/imap-urlauth/imap-urlauth-client.h

@@ -18,6 +18,7 @@ struct client {
 	struct ostream *output, *ctrl_output;
 	struct istream *ctrl_input;
 	struct timeout *to_idle;
+	struct event *event;
 
 	char *username, *service;
 	ARRAY_TYPE(const_string) access_apps;