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glib/gio/gresolver.h

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Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
2008-12-29 18:53:47 +01:00
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2008 Red Hat, Inc.
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
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* Copyright (C) 2018 Igalia S.L.
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
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*
gio: Add SPDX license headers automatically Add SPDX license (but not copyright) headers to all files which follow a certain pattern in their existing non-machine-readable header comment. This commit was entirely generated using the command: ``` git ls-files gio/*.[ch] | xargs perl -0777 -pi -e 's/\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/\n \*\n \* SPDX-License-Identifier: LGPL-2.1-or-later\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/igs' ``` Signed-off-by: Philip Withnall <pwithnall@endlessos.org> Helps: #1415
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* SPDX-License-Identifier: LGPL-2.1-or-later
*
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
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* 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
gio/: LGPLv2+ -> LGPLv2.1+ Sub-directories inside gio/ already processed in a previous commit: - fam/ - gdbus-2.0/ (which contains only codegen/) - gvdb/ - inotify/ - tests/ - win32/ - xdgmime/ Other sub-directories inside gio/: - completion/: no license headers - kqueue/: not LGPL, BSD-style license https://bugzilla.gnome.org/show_bug.cgi?id=776504
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* version 2.1 of the License, or (at your option) any later version.
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
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*
* 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
Updated FSF's address
2014-01-23 12:58:29 +01:00
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
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*/
Move single-include guards inside include guards gcc has optimizations for include guards that only work if they are outermost in the the header. https://bugzilla.gnome.org/show_bug.cgi?id=689810
2012-12-28 05:43:14 +01:00
#ifndef __G_RESOLVER_H__
#define __G_RESOLVER_H__
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
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#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#include <gio/giotypes.h>
G_BEGIN_DECLS
#define G_TYPE_RESOLVER (g_resolver_get_type ())
#define G_RESOLVER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_RESOLVER, GResolver))
#define G_RESOLVER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_RESOLVER, GResolverClass))
#define G_IS_RESOLVER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_RESOLVER))
#define G_IS_RESOLVER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_RESOLVER))
#define G_RESOLVER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_RESOLVER, GResolverClass))
Re-run res_init() when resolv.conf changes libc caches the contents of resolv.conf, so if it changes (eg, because the network state changed), we need re-run res_init(). http://bugzilla.gnome.org/show_bug.cgi?id=584246
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typedef struct _GResolverPrivate GResolverPrivate;
typedef struct _GResolverClass GResolverClass;
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
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struct _GResolver {
GObject parent_instance;
Re-run res_init() when resolv.conf changes libc caches the contents of resolv.conf, so if it changes (eg, because the network state changed), we need re-run res_init(). http://bugzilla.gnome.org/show_bug.cgi?id=584246
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GResolverPrivate *priv;
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
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};
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
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/**
* GResolverNameLookupFlags:
* @G_RESOLVER_NAME_LOOKUP_FLAGS_DEFAULT: default behavior (same as g_resolver_lookup_by_name())
* @G_RESOLVER_NAME_LOOKUP_FLAGS_IPV4_ONLY: only resolve ipv4 addresses
* @G_RESOLVER_NAME_LOOKUP_FLAGS_IPV6_ONLY: only resolve ipv6 addresses
*
* Flags to modify lookup behavior.
*
* Since: 2.60
*/
typedef enum {
G_RESOLVER_NAME_LOOKUP_FLAGS_DEFAULT = 0,
G_RESOLVER_NAME_LOOKUP_FLAGS_IPV4_ONLY = 1 << 0,
G_RESOLVER_NAME_LOOKUP_FLAGS_IPV6_ONLY = 1 << 1,
} GResolverNameLookupFlags;
Typedef GResolverClass in the standard way It's a bit lame, but some of our C++ wrapping scripts expect objects to be typedefed like: typedef struct _FooClass FooClass; struct {} _FooClass; Rather than: typedef struct {} FooClass; Functionally they're the same, but the former makes our lives easier in the short term
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struct _GResolverClass {
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
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GObjectClass parent_class;
Re-run res_init() when resolv.conf changes libc caches the contents of resolv.conf, so if it changes (eg, because the network state changed), we need re-run res_init(). http://bugzilla.gnome.org/show_bug.cgi?id=584246
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/* Signals */
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
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void ( *reload) (GResolver *resolver);
Re-run res_init() when resolv.conf changes libc caches the contents of resolv.conf, so if it changes (eg, because the network state changed), we need re-run res_init(). http://bugzilla.gnome.org/show_bug.cgi?id=584246
2009-08-19 18:07:53 +02:00
/* Virtual methods */
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
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GList * ( *lookup_by_name) (GResolver *resolver,
const gchar *hostname,
GCancellable *cancellable,
GError **error);
void ( *lookup_by_name_async) (GResolver *resolver,
const gchar *hostname,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GList * ( *lookup_by_name_finish) (GResolver *resolver,
GAsyncResult *result,
GError **error);
gchar * ( *lookup_by_address) (GResolver *resolver,
GInetAddress *address,
GCancellable *cancellable,
GError **error);
void ( *lookup_by_address_async) (GResolver *resolver,
GInetAddress *address,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gchar * ( *lookup_by_address_finish) (GResolver *resolver,
GAsyncResult *result,
GError **error);
GList * ( *lookup_service) (GResolver *resolver,
const gchar *rrname,
GCancellable *cancellable,
GError **error);
void ( *lookup_service_async) (GResolver *resolver,
const gchar *rrname,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GList * ( *lookup_service_finish) (GResolver *resolver,
GAsyncResult *result,
GError **error);
GList * ( *lookup_records) (GResolver *resolver,
const gchar *rrname,
GResolverRecordType record_type,
GCancellable *cancellable,
GError **error);
void ( *lookup_records_async) (GResolver *resolver,
const gchar *rrname,
GResolverRecordType record_type,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GList * ( *lookup_records_finish) (GResolver *resolver,
GAsyncResult *result,
GError **error);
/**
* GResolverClass::lookup_by_name_with_flags_async:
* @resolver: a #GResolver
* @hostname: the hostname to resolve
* @flags: extra #GResolverNameLookupFlags to modify the lookup
* @cancellable: (nullable): a #GCancellable
* @callback: (scope async): a #GAsyncReadyCallback to call when completed
* @user_data: (closure): data to pass to @callback
*
* Asynchronous version of GResolverClass::lookup_by_name_with_flags
*
* GResolverClass::lookup_by_name_with_flags_finish will be called to get
* the result.
*
* Since: 2.60
*/
void ( *lookup_by_name_with_flags_async) (GResolver *resolver,
const gchar *hostname,
GResolverNameLookupFlags flags,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
/**
* GResolverClass::lookup_by_name_with_flags_finish:
* @resolver: a #GResolver
* @result: a #GAsyncResult
* @error: (nullable): a pointer to a %NULL #GError
*
* Gets the result from GResolverClass::lookup_by_name_with_flags_async
*
* Returns: (element-type GInetAddress) (transfer full): List of #GInetAddress.
* Since: 2.60
*/
GList * ( *lookup_by_name_with_flags_finish) (GResolver *resolver,
GAsyncResult *result,
GError **error);
/**
* GResolverClass::lookup_by_name_with_flags:
* @resolver: a #GResolver
* @hostname: the hostname to resolve
* @flags: extra #GResolverNameLookupFlags to modify the lookup
* @cancellable: (nullable): a #GCancellable
* @error: (nullable): a pointer to a %NULL #GError
*
* This is identical to GResolverClass::lookup_by_name except it takes
* @flags which modifies the behavior of the lookup. See #GResolverNameLookupFlags
* for more details.
*
* Returns: (element-type GInetAddress) (transfer full): List of #GInetAddress.
* Since: 2.60
*/
GList * ( *lookup_by_name_with_flags) (GResolver *resolver,
const gchar *hostname,
GResolverNameLookupFlags flags,
GCancellable *cancellable,
GError **error);
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
2008-12-29 18:53:47 +01:00
Typedef GResolverClass in the standard way It's a bit lame, but some of our C++ wrapping scripts expect objects to be typedefed like: typedef struct _FooClass FooClass; struct {} _FooClass; Rather than: typedef struct {} FooClass; Functionally they're the same, but the former makes our lives easier in the short term
2009-05-19 07:10:57 +02:00
};
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
2008-12-29 18:53:47 +01:00
Rename all visibility macros
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GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
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GType g_resolver_get_type (void) G_GNUC_CONST;
Rename all visibility macros
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GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
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GResolver *g_resolver_get_default (void);
Rename all visibility macros
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GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
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void g_resolver_set_default (GResolver *resolver);
Rename all visibility macros
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GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
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GList *g_resolver_lookup_by_name (GResolver *resolver,
const gchar *hostname,
GCancellable *cancellable,
GError **error);
Rename all visibility macros
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GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
void g_resolver_lookup_by_name_async (GResolver *resolver,
const gchar *hostname,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
Rename all visibility macros
2022-10-05 19:39:21 +02:00
GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
GList *g_resolver_lookup_by_name_finish (GResolver *resolver,
GAsyncResult *result,
GError **error);
Rename all visibility macros
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GIO_AVAILABLE_IN_2_60
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
void g_resolver_lookup_by_name_with_flags_async (GResolver *resolver,
const gchar *hostname,
GResolverNameLookupFlags flags,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
Rename all visibility macros
2022-10-05 19:39:21 +02:00
GIO_AVAILABLE_IN_2_60
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
GList *g_resolver_lookup_by_name_with_flags_finish (GResolver *resolver,
GAsyncResult *result,
GError **error);
Rename all visibility macros
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GIO_AVAILABLE_IN_2_60
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
GList *g_resolver_lookup_by_name_with_flags (GResolver *resolver,
const gchar *hostname,
GResolverNameLookupFlags flags,
GCancellable *cancellable,
GError **error);
Rename all visibility macros
2022-10-05 19:39:21 +02:00
GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
void g_resolver_free_addresses (GList *addresses);
Rename all visibility macros
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GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
gchar *g_resolver_lookup_by_address (GResolver *resolver,
GInetAddress *address,
GCancellable *cancellable,
GError **error);
Rename all visibility macros
2022-10-05 19:39:21 +02:00
GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
void g_resolver_lookup_by_address_async (GResolver *resolver,
GInetAddress *address,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
Rename all visibility macros
2022-10-05 19:39:21 +02:00
GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
gchar *g_resolver_lookup_by_address_finish (GResolver *resolver,
GAsyncResult *result,
GError **error);
Rename all visibility macros
2022-10-05 19:39:21 +02:00
GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
GList *g_resolver_lookup_service (GResolver *resolver,
const gchar *service,
const gchar *protocol,
const gchar *domain,
GCancellable *cancellable,
GError **error);
Rename all visibility macros
2022-10-05 19:39:21 +02:00
GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
void g_resolver_lookup_service_async (GResolver *resolver,
const gchar *service,
const gchar *protocol,
const gchar *domain,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
Rename all visibility macros
2022-10-05 19:39:21 +02:00
GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
GList *g_resolver_lookup_service_finish (GResolver *resolver,
GAsyncResult *result,
GError **error);
Rename all visibility macros
2022-10-05 19:39:21 +02:00
GIO_AVAILABLE_IN_2_34
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
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GList *g_resolver_lookup_records (GResolver *resolver,
const gchar *rrname,
GResolverRecordType record_type,
GCancellable *cancellable,
GError **error);
Rename all visibility macros
2022-10-05 19:39:21 +02:00
GIO_AVAILABLE_IN_2_34
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
void g_resolver_lookup_records_async (GResolver *resolver,
const gchar *rrname,
GResolverRecordType record_type,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
Rename all visibility macros
2022-10-05 19:39:21 +02:00
GIO_AVAILABLE_IN_2_34
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
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GList *g_resolver_lookup_records_finish (GResolver *resolver,
GAsyncResult *result,
GError **error);
Rename all visibility macros
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GIO_AVAILABLE_IN_ALL
gresolver: Add g_resolver_lookup_by_name_with_flags{_async,_finish,} This allows higher levels to have more control over resolving (ipv4 or ipv6 for now) which allows for optimizations such as requesting both in parallel as RFC 8305 recommends.
2018-10-17 17:14:10 +02:00
void g_resolver_free_targets (GList *targets);
gresolver: Add GResolver:timeout property Without a timeout, some lookup requests can go on forever, typically due to bugs in underlying systems. This can have particularly significant effects on the Happy Eyeballs algorithm in `GSocketClient`, which relies on multiple name lookups as its first step. Signed-off-by: Philip Withnall <pwithnall@endlessos.org> Helps: #2866
2023-03-29 18:13:49 +02:00
GIO_AVAILABLE_IN_2_78
unsigned g_resolver_get_timeout (GResolver *resolver);
GIO_AVAILABLE_IN_2_78
void g_resolver_set_timeout (GResolver *resolver,
unsigned timeout_ms);
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
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/**
* G_RESOLVER_ERROR:
*
* Error domain for #GResolver. Errors in this domain will be from the
* #GResolverError enumeration. See #GError for more information on
* error domains.
Documentation and coding style fixups Lots of pedanic changes.
2009-05-28 00:20:08 +02:00
*/
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
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#define G_RESOLVER_ERROR (g_resolver_error_quark ())
Rename all visibility macros
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GIO_AVAILABLE_IN_ALL
Add GResolver, a glib-ish interface to DNS GResolver provides asynchronous (and synchronous-but-cancellable) APIs for resolving hostnames, reverse-resolving IP addresses back to hostnames, and resolving SRV records. Part of #548466.
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GQuark g_resolver_error_quark (void);
G_END_DECLS
#endif /* __G_RESOLVER_H__ */
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