src/director/director.c

	director.c revision 2670cd577aa57eb9f915a4f4220ae48c9b4fc5fb
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen/* Copyright (c) 2010 Dovecot authors, see the included COPYING file */
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen#include "lib.h"
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen#include "ioloop.h"
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen#include "array.h"
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen#include "str.h"
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen#include "user-directory.h"
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen#include "mail-host.h"
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen#include "director-host.h"
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen#include "director-connection.h"
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen#include "director.h"
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenstatic bool director_is_self_ip_set(struct director *dir)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    struct ip_addr ip;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    net_get_ip_any4(&ip);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (net_ip_compare(&dir->self_ip, &ip))
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        return FALSE;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    net_get_ip_any6(&ip);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (net_ip_compare(&dir->self_ip, &ip))
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        return FALSE;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    return TRUE;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenstatic void director_find_self_ip(struct director *dir)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    struct director_host *const *hosts;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    unsigned int i, count;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    int fd = -1;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    hosts = array_get(&dir->dir_hosts, &count);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    for (i = 0; i < count; i++) {
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        fd = net_connect_ip(&hosts[i]->ip, hosts[i]->port, NULL);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        if (fd != -1)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen            break;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    }
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (fd == -1) {
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        i_fatal("Couldn't connect to any servers listed in "
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen            "director_servers (we should have been able to "
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen            "connect at least to ourself)");
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    }
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (net_getsockname(fd, &dir->self_ip, NULL) < 0)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        i_fatal("getsockname() failed: %m");
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    net_disconnect(fd);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenstatic void director_find_self(struct director *dir)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (dir->self_host != NULL)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        return;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (!director_is_self_ip_set(dir)) {
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        /* our IP isn't known yet. have to connect to some other
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen           server before we know it. */
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        director_find_self_ip(dir);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    }
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    dir->self_host = director_host_lookup(dir, &dir->self_ip,
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen                          dir->self_port);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (dir->self_host == NULL) {
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        i_fatal("director_servers doesn't list ourself (%s:%u)",
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen            net_ip2addr(&dir->self_ip), dir->self_port);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    }
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    dir->self_host->self = TRUE;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenstatic unsigned int director_find_self_idx(struct director *dir)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    struct director_host *const *hosts;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    unsigned int i, count;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    i_assert(dir->self_host != NULL);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    hosts = array_get(&dir->dir_hosts, &count);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    for (i = 0; i < count; i++) {
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        if (hosts[i] == dir->self_host)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen            return i;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    }
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    i_unreached();
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenint director_connect_host(struct director *dir, struct director_host *host)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    int fd;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    i_assert(dir->right == NULL);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    fd = net_connect_ip(&host->ip, host->port, NULL);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (fd == -1) {
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        i_error("connect(%s) failed: %m", host->name);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        return -1;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    }
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    dir->right = director_connection_init_out(dir, fd, host);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    return 1;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenvoid director_connect(struct director *dir)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    struct director_host *const *hosts;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    unsigned int i, count, self_idx;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    director_find_self(dir);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    self_idx = director_find_self_idx(dir);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    /* try to connect to first working server on our right side.
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen       the left side is supposed to connect to us. */
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    hosts = array_get(&dir->dir_hosts, &count);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    for (i = 1; i < count; i++) {
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        unsigned int idx = (self_idx + i) % count;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        if (director_connect_host(dir, hosts[idx]) > 0)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen            break;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    }
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (i == count) {
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        /* we're the only one */
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        dir->ring_handshaked = TRUE;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        director_set_state_changed(dir);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    }
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenvoid director_update_host(struct director *dir, struct director_host *src,
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen              struct mail_host *host)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    director_set_state_changed(dir);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    director_update_send(dir, src, t_strdup_printf(
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        "HOST\t%s\t%u\n", net_ip2addr(&host->ip), host->vhost_count));
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenvoid director_remove_host(struct director *dir, struct director_host *src,
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen              struct mail_host *host)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    director_update_send(dir, src, t_strdup_printf(
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        "HOST-REMOVE\t%s\n", net_ip2addr(&host->ip)));
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    user_directory_remove_host(dir->users, host);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    mail_host_remove(host);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenvoid director_update_user(struct director *dir, struct director_host *src,
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen              struct user *user)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    director_update_send(dir, src, t_strdup_printf(
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        "USER\t%u\t%s\n", user->username_hash,
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        net_ip2addr(&user->host->ip)));
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenvoid director_set_state_changed(struct director *dir)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    dir->state_change_callback(dir);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenvoid director_update_send(struct director *dir, struct director_host *src,
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen              const char *cmd)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    i_assert(src != NULL);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (dir->left != NULL)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        director_connection_send_except(dir->left, src, cmd);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (dir->right != NULL && dir->right != dir->left)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        director_connection_send_except(dir->right, src, cmd);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenstruct director *
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainendirector_init(const struct director_settings *set,
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen          const struct ip_addr *listen_ip, unsigned int listen_port,
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen          director_state_change_callback_t *callback)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    struct director *dir;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    dir = i_new(struct director, 1);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    dir->set = set;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    dir->self_port = listen_port;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    dir->self_ip = *listen_ip;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    dir->state_change_callback = callback;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    i_array_init(&dir->dir_hosts, 16);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    i_array_init(&dir->pending_requests, 16);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    i_array_init(&dir->desynced_host_changes, 16);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    dir->users = user_directory_init(set->director_user_expire);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    return dir;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainenvoid director_deinit(struct director **_dir)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen{
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    struct director *dir = *_dir;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    struct director_host *const *hostp;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    *_dir = NULL;
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (dir->left != NULL)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        director_connection_deinit(&dir->left);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (dir->right != NULL)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        director_connection_deinit(&dir->right);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    user_directory_deinit(&dir->users);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    if (dir->to_request != NULL)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        timeout_remove(&dir->to_request);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    array_foreach(&dir->dir_hosts, hostp)
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen        director_host_free(*hostp);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    array_free(&dir->desynced_host_changes);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    array_free(&dir->pending_requests);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    array_free(&dir->dir_hosts);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen    i_free(dir);
2670cd577aa57eb9f915a4f4220ae48c9b4fc5fbTimo Sirainen}