1 files changed, 90 insertions, 0 deletions
diff --git a/src/director/mail-host.h b/src/director/mail-host.h
new file mode 100644
index 0000000..3efc528
--- /dev/null
+++ b/src/director/mail-host.h
@@ -0,0 +1,90 @@
+#ifndef MAIL_HOST_H
+#define MAIL_HOST_H
+
+#include "net.h"
+#include "user-directory.h"
+
+struct director;
+struct mail_host_list;
+
+struct mail_vhost {
+	unsigned int hash;
+	struct mail_host *host;
+};
+
+/* mail_tags aren't removed/freed before mail_hosts_deinit(), so it's safe
+   to add pointers to them. */
+struct mail_tag {
+	/* "" = no tag */
+	char *name;
+	ARRAY(struct mail_vhost) vhosts;
+	/* temporary user -> host associations */
+	struct user_directory *users;
+};
+ARRAY_DEFINE_TYPE(mail_tag, struct mail_tag *);
+
+struct mail_host {
+	struct mail_host_list *list;
+
+	unsigned int user_count;
+	unsigned int vhost_count;
+	/* server up/down. down=TRUE has effectively the same result as if
+	   vhost_count=0. */
+	bool down;
+	time_t last_updown_change;
+
+	struct ip_addr ip;
+	char *ip_str;
+	char *hostname;
+	struct mail_tag *tag;
+
+	/* host was recently changed and ring hasn't synced yet since */
+	bool desynced:1;
+};
+ARRAY_DEFINE_TYPE(mail_host, struct mail_host *);
+
+struct mail_host *
+mail_host_add_ip(struct mail_host_list *list, const struct ip_addr *ip,
+		 const char *tag_name);
+struct mail_host *
+mail_host_add_hostname(struct mail_host_list *list, const char *hostname,
+		       const struct ip_addr *ip, const char *tag_name);
+struct mail_host *
+mail_host_lookup(struct mail_host_list *list, const struct ip_addr *ip);
+struct mail_host *
+mail_host_get_by_hash(struct mail_host_list *list, unsigned int hash,
+		      const char *tag_name);
+
+int mail_hosts_parse_and_add(struct mail_host_list *list,
+			     const char *hosts_string);
+const char *mail_host_get_tag(const struct mail_host *host);
+void mail_host_set_tag(struct mail_host *host, const char *tag_name);
+void mail_host_set_down(struct mail_host *host, bool down, time_t timestamp,
+			const char *log_prefix);
+void mail_host_set_vhost_count(struct mail_host *host, unsigned int vhost_count,
+			       const char *log_prefix);
+void mail_host_remove(struct mail_host *host);
+
+void mail_hosts_set_synced(struct mail_host_list *list);
+unsigned int mail_hosts_hash(struct mail_host_list *list);
+bool mail_hosts_have_usable(struct mail_host_list *list);
+const ARRAY_TYPE(mail_host) *mail_hosts_get(struct mail_host_list *list);
+bool mail_hosts_have_tags(struct mail_host_list *list);
+
+const ARRAY_TYPE(mail_tag) *mail_hosts_get_tags(struct mail_host_list *list);
+struct mail_tag *
+mail_tag_find(struct mail_host_list *list, const char *tag_name);
+struct user *
+mail_hosts_find_user(struct mail_host_list *list, const char *tag_name,
+		     unsigned int username_hash);
+
+struct mail_host_list *
+mail_hosts_init(struct director *dir,
+		unsigned int user_expire_secs,
+		user_free_hook_t *user_free_hook);
+void mail_hosts_deinit(struct mail_host_list **list);
+
+struct mail_host_list *mail_hosts_dup(const struct mail_host_list *src);
+void mail_hosts_sort_users(struct mail_host_list *list);
+
+#endif