diff options
Diffstat (limited to 'lib/gibber/gibber-resolver.c')
| -rw-r--r-- | lib/gibber/gibber-resolver.c | 896 |
1 files changed, 0 insertions, 896 deletions
diff --git a/lib/gibber/gibber-resolver.c b/lib/gibber/gibber-resolver.c deleted file mode 100644 index 712531d0..00000000 --- a/lib/gibber/gibber-resolver.c +++ /dev/null @@ -1,896 +0,0 @@ -/* - * gibber-resolver.c - Source for GibberResolver - * Copyright (C) 2008 Collabora Ltd. - * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdio.h> -#include <stdlib.h> - -#include <string.h> - -#include "gibber-sockets.h" - -#include <errno.h> - -#include "config.h" -#include "gibber-resolver.h" - -#ifdef HAVE_LIBASYNCNS - #include "gibber-resolver-asyncns.h" -#endif - -static GibberResolver *resolver_singleton = NULL; -static GType resolver_singleton_type = 0; - -GibberResolver * -gibber_resolver_get_resolver (void) -{ - - if (resolver_singleton_type == 0) -#ifdef HAVE_LIBASYNCNS - resolver_singleton_type = GIBBER_TYPE_RESOLVER_ASYNCNS; -#else - resolver_singleton_type = GIBBER_TYPE_RESOLVER; -#endif - - if (resolver_singleton == NULL) - resolver_singleton = g_object_new (resolver_singleton_type, NULL); - - return resolver_singleton; -} - -void -gibber_resolver_set_resolver (GType object_type) -{ - if (resolver_singleton_type != object_type && resolver_singleton != NULL) - { - g_object_unref (resolver_singleton); - resolver_singleton = NULL; - } - - resolver_singleton_type = object_type; -} - - - -G_DEFINE_TYPE(GibberResolver, gibber_resolver, G_TYPE_OBJECT) - -typedef struct { - guint jobid; - GibberResolver *resolver; - - /* Data the user would like us to remember */ - GCallback callback; - GDestroyNotify destroy; - gpointer user_data; - GObject *weak_object; - - /* Field settable by implementations of GibberResolver */ - gpointer data; -} GibberResolverJob; - -/* private structure */ -typedef struct _GibberResolverPrivate GibberResolverPrivate; - -struct _GibberResolverPrivate -{ - gboolean dispose_has_run; - /* guint * -> GibberResolverJob struct */ - GHashTable *jobs; -}; - -static gboolean resolver_resolv_srv (GibberResolver *resolver, guint id, - const gchar *service_name, const char *service, - GibberResolverServiceType type); - -static gboolean resolver_resolv_addrinfo (GibberResolver *resolver, guint id, - const gchar *hostname, const char *port, int address_family, int sock_type, - int protocol, int flags); - -static gboolean resolver_resolv_nameinfo (GibberResolver *resolver, guint id, - const struct sockaddr *sa, socklen_t salen, gint flags); - -static void resolver_resolv_cancel (GibberResolver *resolver, guint id); - -static void free_job (gpointer data); - -#define GIBBER_RESOLVER_GET_PRIVATE(o) \ - (G_TYPE_INSTANCE_GET_PRIVATE ((o), GIBBER_TYPE_RESOLVER, \ - GibberResolverPrivate)) - -GQuark -gibber_resolver_error_quark (void) -{ - static GQuark quark = 0; - - if (!quark) - quark = g_quark_from_static_string ("gibber_resolver_error"); - - return quark; -} - -static void -gibber_resolver_init (GibberResolver *obj) -{ - GibberResolverPrivate *priv = GIBBER_RESOLVER_GET_PRIVATE (obj); - - /* allocate any data required by the object here */ - priv->jobs = g_hash_table_new_full (g_int_hash, g_int_equal, - NULL, free_job); -} - -static void gibber_resolver_dispose (GObject *object); -static void gibber_resolver_finalize (GObject *object); - -static void -gibber_resolver_class_init (GibberResolverClass *gibber_resolver_class) -{ - GObjectClass *object_class = G_OBJECT_CLASS (gibber_resolver_class); - - g_type_class_add_private (gibber_resolver_class, - sizeof (GibberResolverPrivate)); - - object_class->dispose = gibber_resolver_dispose; - object_class->finalize = gibber_resolver_finalize; - - gibber_resolver_class->resolv_srv = resolver_resolv_srv; - gibber_resolver_class->resolv_addrinfo = resolver_resolv_addrinfo; - gibber_resolver_class->resolv_nameinfo = resolver_resolv_nameinfo; - gibber_resolver_class->resolv_cancel = resolver_resolv_cancel; -} - -void -gibber_resolver_dispose (GObject *object) -{ - GibberResolver *self = GIBBER_RESOLVER (object); - GibberResolverPrivate *priv = GIBBER_RESOLVER_GET_PRIVATE (self); - - if (priv->dispose_has_run) - return; - - priv->dispose_has_run = TRUE; - - if (priv->jobs != NULL) - g_hash_table_destroy (priv->jobs); - priv->jobs = NULL; - - /* release any references held by the object here */ - if (G_OBJECT_CLASS (gibber_resolver_parent_class)->dispose) - G_OBJECT_CLASS (gibber_resolver_parent_class)->dispose (object); -} - -void -gibber_resolver_finalize (GObject *object) -{ - - /* free any data held directly by the object here */ - - G_OBJECT_CLASS (gibber_resolver_parent_class)->finalize (object); -} - -static void -weak_object_destroyed (gpointer data, GObject *old_object) -{ - GibberResolverJob *job = (GibberResolverJob *) data; - - g_assert (job->weak_object == old_object); - - job->weak_object = NULL; - - gibber_resolver_cancel (job->resolver, job->jobid); -} - -static guint -gibber_resolver_job_add (GibberResolver *resolver, - GCallback callback, - gpointer user_data, - GDestroyNotify destroy, - GObject *weak_object) -{ - GibberResolverPrivate *priv = GIBBER_RESOLVER_GET_PRIVATE (resolver); - GibberResolverJob *job; - - job = g_slice_new0 (GibberResolverJob); - job->resolver = g_object_ref (resolver); - - job->callback = callback; - job->destroy = destroy; - job->user_data = user_data; - job->weak_object = weak_object; - - /* Now decide on a decent job id.. The pointer is a pretty good initial - * guess. A nicer solution would be to use an intset */ - job->jobid = GPOINTER_TO_UINT (job); - - /* Be carefull to skip 0 */ - while (job->jobid == 0 || - g_hash_table_lookup (priv->jobs, &(job->jobid)) != NULL) - job->jobid++; - - g_hash_table_insert (priv->jobs, &(job->jobid), job); - - if (weak_object != NULL) - { - g_object_weak_ref (weak_object, weak_object_destroyed, job); - } - - return job->jobid; -} - -static void free_job (gpointer data) -{ - GibberResolverJob *job = (GibberResolverJob *) data; - - if (job->destroy) - job->destroy (job->user_data); - - if (job->weak_object) - g_object_weak_unref (job->weak_object, weak_object_destroyed, job); - - g_object_unref (job->resolver); - g_slice_free (GibberResolverJob, job); -} - -GibberResolverAddrInfo * -gibber_resolver_addrinfo_new (gint address_family, - gint socket_type, - gint protocol, - struct sockaddr *addr, - gsize sockaddr_len) -{ - GibberResolverAddrInfo *result; - - result = g_slice_new (GibberResolverAddrInfo); - - result->address_family = address_family; - result->socket_type = socket_type; - result->protocol = protocol; - memcpy (&(result->sockaddr), addr, sockaddr_len); - result->sockaddr_len = sockaddr_len; - - return result; -} - -void -gibber_resolver_addrinfo_free (GibberResolverAddrInfo *addrinfo) -{ - g_slice_free (GibberResolverAddrInfo, addrinfo); -} - -void -gibber_resolver_addrinfo_list_free (GList *addrinfo_list) -{ - GList *t; - GibberResolverAddrInfo *a; - - for (t = addrinfo_list ; t != NULL; t = g_list_delete_link (t, t)) - { - a = (GibberResolverAddrInfo *) t->data; - gibber_resolver_addrinfo_free (a); - } -} - -GibberResolverSrvRecord * -gibber_resolver_srv_record_new (gchar *hostname, - guint16 port, - guint16 priority, - guint16 weight) -{ - GibberResolverSrvRecord *result; - - result = g_slice_new (GibberResolverSrvRecord); - result->hostname = g_strdup (hostname); - result->port = port; - result->priority = priority; - result->weight = weight; - - return result; -} - -void -gibber_resolver_srv_free (GibberResolverSrvRecord *srvrecord) -{ - g_free (srvrecord->hostname); - g_slice_free (GibberResolverSrvRecord, srvrecord); -} - -void -gibber_resolver_srv_list_free (GList *srv_list) -{ - GList *t; - GibberResolverSrvRecord *s; - - for (t = srv_list ; t != NULL; t = g_list_delete_link (t, t)) - { - s = (GibberResolverSrvRecord *) t->data; - gibber_resolver_srv_free (s); - } -} - - -guint -gibber_resolver_srv (GibberResolver *resolver, - const gchar *service_name, - const char *service, - GibberResolverServiceType type, - gibber_resolver_srv_cb callback, - gpointer user_data, - GDestroyNotify destroy, - GObject *weak_object) -{ - GibberResolverClass *cls = GIBBER_RESOLVER_GET_CLASS (resolver); - gboolean ret; - guint jobid; - - jobid = gibber_resolver_job_add (resolver, G_CALLBACK (callback), user_data, - destroy, weak_object); - - ret = cls->resolv_srv (resolver, jobid, service_name, service, type); - - return ret ? jobid : 0; -} - -guint -gibber_resolver_addrinfo (GibberResolver *resolver, - const gchar *hostname, - const char *port, - int address_family, - int sock_type, - int protocol, - int flags, - gibber_resolver_addrinfo_cb callback, - gpointer user_data, - GDestroyNotify destroy, - GObject *weak_object) -{ - GibberResolverClass *cls = GIBBER_RESOLVER_GET_CLASS (resolver); - gboolean ret; - guint jobid; - - jobid = gibber_resolver_job_add (resolver, G_CALLBACK (callback), - user_data, destroy, weak_object); - - ret = cls->resolv_addrinfo (resolver, jobid, hostname, port, address_family, - sock_type, protocol, flags); - - return ret ? jobid : 0; -} - -guint -gibber_resolver_nameinfo (GibberResolver *resolver, - const struct sockaddr *sa, - socklen_t salen, - gint flags, - gibber_resolver_nameinfo_cb callback, - gpointer user_data, - GDestroyNotify destroy, - GObject *weak_object) -{ - GibberResolverClass *cls = GIBBER_RESOLVER_GET_CLASS (resolver); - gboolean ret; - guint jobid; - - jobid = gibber_resolver_job_add (resolver, G_CALLBACK (callback), user_data, - destroy, weak_object); - - ret = cls->resolv_nameinfo (resolver, jobid, sa, salen, flags); - - return ret ? jobid : 0; -} - -void -gibber_resolver_cancel (GibberResolver *resolver, guint id) -{ - GibberResolverClass *cls = GIBBER_RESOLVER_GET_CLASS (resolver); - GibberResolverPrivate *priv = GIBBER_RESOLVER_GET_PRIVATE (resolver); - - if (g_hash_table_lookup (priv->jobs, &id) == NULL) - { - g_warning ("Trying to cancel a non-existing resolver jobs"); - return; - } - - cls->resolv_cancel (resolver, id); - g_hash_table_remove (priv->jobs, &id); -} - -gboolean -gibber_resolver_sockaddr_to_str (const struct sockaddr *sa, - gsize salen, - gchar **address, - gchar **service, - GError **error) -{ - int ret; - gchar name[NI_MAXHOST], servicename[NI_MAXSERV]; - - ret = getnameinfo (sa, salen, name, NI_MAXHOST, servicename, NI_MAXSERV, - NI_NUMERICHOST | NI_NUMERICSERV); - - if (ret != 0) - { - g_set_error (error, GIBBER_RESOLVER_ERROR, ret, - "getnameinfo failed: %s", gai_strerror (ret)); - return FALSE; - } - - if (address != NULL) - *address = g_strdup (name); - - if (service != NULL) - *service = g_strdup (servicename); - - return TRUE; -} - -/* Utility function for classed implementing GibberResolver */ -void -gibber_resolver_set_data (GibberResolver *resolver, guint id, gpointer data) -{ - GibberResolverPrivate *priv = GIBBER_RESOLVER_GET_PRIVATE (resolver); - GibberResolverJob *job; - - job = g_hash_table_lookup (priv->jobs, &id); - - g_assert (job != NULL); - - job->data = data; -} - -gpointer -gibber_resolver_get_data (GibberResolver *resolver, guint id) -{ - GibberResolverPrivate *priv = GIBBER_RESOLVER_GET_PRIVATE (resolver); - GibberResolverJob *job; - - job = g_hash_table_lookup (priv->jobs, &id); - - g_assert (job != NULL); - - return job->data; -} - -static gint -compare_srv_record (gconstpointer a, gconstpointer b) -{ - GibberResolverSrvRecord *asrv = (GibberResolverSrvRecord *) a; - GibberResolverSrvRecord *bsrv = (GibberResolverSrvRecord *) b; - - if (asrv->priority != bsrv->priority) - return asrv->priority < bsrv->priority ? -1 : 1; - - if (asrv->weight != 0 || bsrv->weight != 0) - return asrv->weight == 0 ? -1 : 1; - - return 0; -} - - -static GList * -weight_sort_srv_list_total (GList *srv_list, gint total) -{ - GList *l, *s; - gint num; - GibberResolverSrvRecord *srv; - - if (srv_list == NULL) - return NULL; - - num = g_random_int_range (0, total + 1); - - for (l = srv_list ; l != NULL; l = g_list_next (l)) - { - srv = (GibberResolverSrvRecord *) l->data; - num -= srv->weight; - if (num <= 0) - break; - } - - g_assert (l != NULL); - - s = g_list_remove_link (srv_list, l); - - return g_list_concat (l, - weight_sort_srv_list_total (s, total - srv->weight)); -} - -static GList * -weight_sort_srv_list (GList *srv_list) -{ - GList *l; - gint total = 0; - GibberResolverSrvRecord *srv; - - /* Sort srv list of equal priority but with weight as specified in RFC2782 */ - srv = (GibberResolverSrvRecord *) srv_list->data; - - g_assert (srv_list != NULL); - - for (l = srv_list; l != NULL; l = g_list_next (l)) - { - srv = (GibberResolverSrvRecord *) l->data; - total += srv->weight; - } - - return weight_sort_srv_list_total (srv_list, total); -} - -static void -cut_list (GList *link) -{ - if (link->prev != NULL) - link->prev->next = NULL; - link->prev = NULL; -} - -static GList * -sort_srv_list (GList *srv_list) -{ - GList *result = NULL; - GList *start, *end; - GList *sorted; - guint16 priority = 0; - - sorted = g_list_sort (srv_list, compare_srv_record); - - while (sorted != NULL) - { - end = NULL; - - /* Find the start entry with a non-zero weight */ - for (start = sorted ; start != NULL && - ((GibberResolverSrvRecord *) start->data)->weight == 0; - start = start->next) - /* nothing */; - - if (start != sorted) - result = g_list_concat (result, sorted); - - if (start != NULL) - { - cut_list (start); - priority = ((GibberResolverSrvRecord *) start->data)->priority; - } - - for (end = start ; end != NULL && - ((GibberResolverSrvRecord *) end->data)->priority == priority; - end = end->next) - /* nothing */; - - if (end != NULL) - cut_list (end); - - sorted = end; - - if (start != NULL) - { - /* We know have a sublist of entries with the same priority but - * different weights */ - start = weight_sort_srv_list (start); - result = g_list_concat (result, start); - } - } - - return result; -} - -void -gibber_resolver_srv_result (GibberResolver *resolver, - guint jobid, - GList *srv_list, GError *error) -{ - GibberResolverPrivate *priv = GIBBER_RESOLVER_GET_PRIVATE (resolver); - GibberResolverJob *job; - gibber_resolver_srv_cb callback; - - job = g_hash_table_lookup (priv->jobs, &jobid); - - g_assert (job != NULL); - - srv_list = sort_srv_list (srv_list); - - callback = (gibber_resolver_srv_cb) job->callback; - callback (resolver, srv_list, error, job->user_data, job->weak_object); - - g_hash_table_remove (priv->jobs, &jobid); -} - -void -gibber_resolver_addrinfo_result (GibberResolver *resolver, - guint jobid, - GList *entries, - GError *error) -{ - GibberResolverPrivate *priv = GIBBER_RESOLVER_GET_PRIVATE (resolver); - GibberResolverJob *job; - gibber_resolver_addrinfo_cb callback; - - job = g_hash_table_lookup (priv->jobs, &jobid); - - g_assert (job != NULL); - - callback = (gibber_resolver_addrinfo_cb)job->callback; - callback (resolver, entries, error, job->user_data, job->weak_object); - - g_hash_table_remove (priv->jobs, &jobid); -} - -void -gibber_resolver_nameinfo_result (GibberResolver *resolver, - guint jobid, - const gchar *hostname, - const gchar *port, - GError *error) -{ - GibberResolverPrivate *priv = GIBBER_RESOLVER_GET_PRIVATE (resolver); - GibberResolverJob *job; - gibber_resolver_nameinfo_cb callback; - - job = g_hash_table_lookup (priv->jobs, &jobid); - - g_assert (job != NULL); - - callback = (gibber_resolver_nameinfo_cb) job->callback; - callback (resolver, hostname, port, error, - job->user_data, job->weak_object); - - g_hash_table_remove (priv->jobs, &jobid); -} - - -#define ANSWER_BUFSIZE 10240 -GList * -gibber_resolver_res_query_to_list (guchar *answer, int length) -{ - GList *list = NULL; - int qdcount; - int ancount; - int len; - const unsigned char *pos = answer + sizeof (HEADER); - unsigned char *end = answer + length; - HEADER *head = (HEADER *) answer; - char name[256]; - - qdcount = ntohs (head->qdcount); - ancount = ntohs (head->ancount); - - /* Ignore the questions */ - while (qdcount-- > 0 && (len = dn_expand (answer, end, pos, name, 255)) >= 0) - { - pos += len + QFIXEDSZ; - } - - /* Parse the answers */ - while (ancount-- > 0 - && (len = dn_expand (answer, end, pos, name, 255)) >= 0) - { - uint16_t pref, weight, port, class, type; - - /* Ignore the initial string, which has the query in it */ - pos += len; - NS_GET16 (type, pos); - NS_GET16 (class, pos); - - if (type != T_SRV || class != C_IN) - goto failed; - - /* skip ttl and dlen */ - pos += 6; - - NS_GET16 (pref, pos); - NS_GET16 (weight, pos); - NS_GET16 (port, pos); - len = dn_expand (answer, end, pos, name, 255); - - list = g_list_prepend (list, - gibber_resolver_srv_record_new (name, port, pref, weight)); - - pos += len; - } - - return list; - -failed: - gibber_resolver_srv_list_free (list); - return NULL; -} - -GError * -gibber_resolver_gai_error_to_g_error (int error) -{ - gint code; - - switch (error) { - case EAI_BADFLAGS: - case EAI_SOCKTYPE: - case EAI_FAMILY: - case EAI_SERVICE: - code = GIBBER_RESOLVER_ERROR_INVALID_ARGUMENT; - break; - - case EAI_AGAIN: - code = GIBBER_RESOLVER_ERROR_RESOLVE_TEMPORARY_FAILURE; - break; - case EAI_FAIL: - case EAI_NONAME: - code = GIBBER_RESOLVER_ERROR_RESOLVE_FAILURE; - break; - - case EAI_MEMORY: - case EAI_OVERFLOW: - code = GIBBER_RESOLVER_ERROR_MEMORY; - break; - - case EAI_SYSTEM: - default: - code = GIBBER_RESOLVER_ERROR_UNKNOWN; - } - - return g_error_new_literal (GIBBER_RESOLVER_ERROR, code, - gai_strerror (error)); -} - -GError * -gibber_resolver_h_error_to_g_error (int error) -{ - gint code; - gchar *message; - - switch (error) { - case NO_RECOVERY: - code = GIBBER_RESOLVER_ERROR_RESOLVE_FAILURE, - message = "Non-recoverable error"; - break; - case HOST_NOT_FOUND: - code = GIBBER_RESOLVER_ERROR_RESOLVE_FAILURE, - message = "Authoritative Answer Host not found"; - break; - case NO_DATA: - code = GIBBER_RESOLVER_ERROR_RESOLVE_FAILURE; - message = "Valid name, no data record of requested type."; - break; - case TRY_AGAIN: - code = GIBBER_RESOLVER_ERROR_RESOLVE_TEMPORARY_FAILURE, - message = "Temporary resolver failure"; - break; - default: - code = GIBBER_RESOLVER_ERROR_UNKNOWN; - message = "Unknown error"; - } - - return g_error_new_literal (GIBBER_RESOLVER_ERROR, code, message); -} - - -/* Default GibberResolver implementation (blocking) */ -static gboolean -resolver_resolv_srv (GibberResolver *resolver, - guint id, - const gchar *service_name, - const char *service, - GibberResolverServiceType type) -{ - gchar *srv_str; - int ret; - GList *entries = NULL; - GError *error = NULL; - guchar answer[ANSWER_BUFSIZE]; - - srv_str = g_strdup_printf ("_%s._%s.%s", service, - type == GIBBER_RESOLVER_SERVICE_TYPE_TCP ? "tcp" : "udp", service_name); - - ret = res_query (srv_str, C_IN, T_SRV, answer, ANSWER_BUFSIZE); - - if (ret < 0) - error = gibber_resolver_h_error_to_g_error (h_errno); - else - { - entries = gibber_resolver_res_query_to_list (answer, ret); - if (entries == NULL) - error = g_error_new (GIBBER_RESOLVER_ERROR, - GIBBER_RESOLVER_ERROR_RESOLVE_FAILURE, "Invalid reply received"); - } - - gibber_resolver_srv_result (resolver, id, entries, error); - - if (error != NULL) - g_error_free (error); - - g_free (srv_str); - - return FALSE; -} - -static gboolean -resolver_resolv_addrinfo (GibberResolver *resolver, - guint id, - const gchar *hostname, - const char *port, - int address_family, - int sock_type, - int protocol, - int flags) -{ - struct addrinfo req, *ans = NULL, *tmpaddr; - int ret; - GList *entries = NULL; - - memset (&req, 0, sizeof (req)); - req.ai_family = address_family; - req.ai_socktype = sock_type; - req.ai_protocol = protocol; - req.ai_flags = flags; - - ret = getaddrinfo (hostname, port, &req, &ans); - - if (ret != 0) - { - GError *e = gibber_resolver_gai_error_to_g_error (ret); - gibber_resolver_addrinfo_result (resolver, id, NULL, e); - g_error_free (e); - return FALSE; - } - - for (tmpaddr = ans; tmpaddr != NULL; tmpaddr = tmpaddr->ai_next) - { - entries = g_list_append (entries, - gibber_resolver_addrinfo_new (tmpaddr->ai_family, - tmpaddr->ai_socktype, tmpaddr->ai_protocol, - tmpaddr->ai_addr, tmpaddr->ai_addrlen)); - } - - freeaddrinfo (ans); - - gibber_resolver_addrinfo_result (resolver, id, entries, NULL); - - return FALSE; -} - -static gboolean -resolver_resolv_nameinfo (GibberResolver *resolver, - guint id, - const struct sockaddr *sa, - socklen_t salen, - gint flags) -{ - int ret; - gchar name[NI_MAXHOST], servicename[NI_MAXSERV]; - - ret = getnameinfo (sa, salen, name, NI_MAXHOST, servicename, NI_MAXSERV, - flags); - - if (ret != 0) - { - GError *e = gibber_resolver_gai_error_to_g_error (ret); - - gibber_resolver_nameinfo_result (resolver, id, NULL, NULL, e); - g_error_free (e); - return FALSE; - } - - gibber_resolver_nameinfo_result (resolver, id, g_strdup (name), - g_strdup (servicename), NULL); - - return FALSE; -} - -static void -resolver_resolv_cancel (GibberResolver *resolver, guint id) -{ - return; -} |