openkylin
/
gvfs
mirror of https://gitee.com/openkylin/gvfs.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity
gvfs/daemon/gvfsjobenumerate.c

327 lines
9.1 KiB
C
Raw Blame History

/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* 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 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 Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include <config.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <glib.h>
#include <glib/gi18n.h>
#include "gvfsjobenumerate.h"
#include "gvfsdaemonprotocol.h"
#include <gvfsdbus.h>
G_DEFINE_TYPE (GVfsJobEnumerate, g_vfs_job_enumerate, G_VFS_TYPE_JOB_DBUS)
static void run (GVfsJob *job);
static gboolean try (GVfsJob *job);
static void send_reply (GVfsJob *job);
static void create_reply (GVfsJob *job,
GVfsDBusMount *object,
GDBusMethodInvocation *invocation);
static void
g_vfs_job_enumerate_finalize (GObject *object)
{
GVfsJobEnumerate *job;
job = G_VFS_JOB_ENUMERATE (object);
g_free (job->filename);
g_free (job->attributes);
g_file_attribute_matcher_unref (job->attribute_matcher);
g_free (job->object_path);
g_free (job->uri);
if (G_OBJECT_CLASS (g_vfs_job_enumerate_parent_class)->finalize)
(*G_OBJECT_CLASS (g_vfs_job_enumerate_parent_class)->finalize) (object);
}
static void
g_vfs_job_enumerate_class_init (GVfsJobEnumerateClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GVfsJobClass *job_class = G_VFS_JOB_CLASS (klass);
GVfsJobDBusClass *job_dbus_class = G_VFS_JOB_DBUS_CLASS (klass);
gobject_class->finalize = g_vfs_job_enumerate_finalize;
job_class->run = run;
job_class->try = try;
job_class->send_reply = send_reply;
job_dbus_class->create_reply = create_reply;
}
static void
g_vfs_job_enumerate_init (GVfsJobEnumerate *job)
{
}
gboolean
g_vfs_job_enumerate_new_handle (GVfsDBusMount *object,
GDBusMethodInvocation *invocation,
const gchar *arg_path_data,
const gchar *arg_obj_path,
const gchar *arg_attributes,
guint arg_flags,
const gchar *arg_uri,
GVfsBackend *backend)
{
GVfsJobEnumerate *job;
if (g_vfs_backend_invocation_first_handler (object, invocation, backend))
return TRUE;
job = g_object_new (G_VFS_TYPE_JOB_ENUMERATE,
"object", object,
"invocation", invocation,
NULL);
job->object_path = g_strdup (arg_obj_path);
job->filename = g_strdup (arg_path_data);
job->backend = backend;
job->attributes = g_strdup (arg_attributes);
job->attribute_matcher = g_file_attribute_matcher_new (arg_attributes);
job->flags = arg_flags;
job->uri = g_strdup (arg_uri);
g_vfs_job_source_new_job (G_VFS_JOB_SOURCE (backend), G_VFS_JOB (job));
g_object_unref (job);
return TRUE;
}
static GVfsDBusEnumerator *
create_enumerator_proxy (GVfsJobEnumerate *job)
{
GDBusConnection *connection;
const gchar *sender;
GVfsDBusEnumerator *proxy;
connection = g_dbus_method_invocation_get_connection (G_VFS_JOB_DBUS (job)->invocation);
sender = g_dbus_method_invocation_get_sender (G_VFS_JOB_DBUS (job)->invocation);
proxy = gvfs_dbus_enumerator_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES | G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
sender,
job->object_path,
NULL,
NULL);
g_assert (proxy != NULL);
g_dbus_proxy_set_default_timeout (G_DBUS_PROXY (proxy), G_MAXINT);
return proxy;
}
static void
send_infos_cb (GVfsDBusEnumerator *proxy,
GAsyncResult *res,
gpointer user_data)
{
GError *error = NULL;
gvfs_dbus_enumerator_call_got_info_finish (proxy, res, &error);
if (error != NULL)
{
g_dbus_error_strip_remote_error (error);
g_debug ("send_infos_cb: %s (%s, %d)\n", error->message, g_quark_to_string (error->domain), error->code);
g_error_free (error);
}
}
static void
send_infos (GVfsJobEnumerate *job)
{
GVfsDBusEnumerator *proxy;
proxy = create_enumerator_proxy (job);
gvfs_dbus_enumerator_call_got_info (proxy,
g_variant_builder_end (job->building_infos),
NULL,
(GAsyncReadyCallback) send_infos_cb,
NULL);
g_object_unref (proxy);
g_variant_builder_unref (job->building_infos);
job->building_infos = NULL;
job->n_building_infos = 0;
}
void
g_vfs_job_enumerate_add_info (GVfsJobEnumerate *job,
GFileInfo *info)
{
char *uri, *escaped_name;
GVariant *v;
if (job->building_infos == NULL)
{
job->building_infos = g_variant_builder_new (G_VARIANT_TYPE ("aa(suv)"));
job->n_building_infos = 0;
}
uri = NULL;
if (job->uri != NULL &&
g_file_info_get_name (info) != NULL)
{
escaped_name = g_uri_escape_string (g_file_info_get_name (info),
G_URI_RESERVED_CHARS_ALLOWED_IN_PATH,
FALSE);
uri = g_build_path ("/", job->uri, escaped_name, NULL);
g_free (escaped_name);
}
g_vfs_backend_add_auto_info (job->backend,
job->attribute_matcher,
info,
uri);
g_free (uri);
g_file_info_set_attribute_mask (info, job->attribute_matcher);
v = _g_dbus_append_file_info (info);
g_variant_builder_add_value (job->building_infos, v);
job->n_building_infos++;
if (job->n_building_infos == 50)
send_infos (job);
}
void
g_vfs_job_enumerate_add_infos (GVfsJobEnumerate *job,
const GList *infos)
{
const GList *l;
GFileInfo *info;
for (l = infos; l != NULL; l = l->next)
{
info = l->data;
g_vfs_job_enumerate_add_info (job, info);
}
}
static void
send_done_cb (GVfsDBusEnumerator *proxy,
GAsyncResult *res,
gpointer user_data)
{
GError *error = NULL;
gvfs_dbus_enumerator_call_done_finish (proxy, res, &error);
if (error != NULL)
{
g_dbus_error_strip_remote_error (error);
g_debug ("send_done_cb: %s (%s, %d)\n", error->message, g_quark_to_string (error->domain), error->code);
g_error_free (error);
}
}
void
g_vfs_job_enumerate_done (GVfsJobEnumerate *job)
{
GVfsDBusEnumerator *proxy;
g_assert (!G_VFS_JOB (job)->failed);
if (job->building_infos != NULL)
send_infos (job);
proxy = create_enumerator_proxy (job);
gvfs_dbus_enumerator_call_done (proxy,
NULL,
(GAsyncReadyCallback) send_done_cb,
NULL);
g_object_unref (proxy);
g_vfs_job_emit_finished (G_VFS_JOB (job));
}
static void
run (GVfsJob *job)
{
GVfsJobEnumerate *op_job = G_VFS_JOB_ENUMERATE (job);
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
if (class->enumerate == NULL)
{
g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
_("Operation not supported"));
return;
}
class->enumerate (op_job->backend,
op_job,
op_job->filename,
op_job->attribute_matcher,
op_job->flags);
}
static gboolean
try (GVfsJob *job)
{
GVfsJobEnumerate *op_job = G_VFS_JOB_ENUMERATE (job);
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
if (class->try_enumerate == NULL)
return FALSE;
return class->try_enumerate (op_job->backend,
op_job,
op_job->filename,
op_job->attribute_matcher,
op_job->flags);
}
static void
send_reply (GVfsJob *job)
{
GVfsJobDBus *dbus_job = G_VFS_JOB_DBUS (job);
GVfsJobDBusClass *class;
g_debug ("send_reply(%p), failed=%d (%s)\n", job, job->failed,
job->failed ? job->error->message : "");
class = G_VFS_JOB_DBUS_GET_CLASS (job);
if (job->failed)
g_dbus_method_invocation_return_gerror (dbus_job->invocation, job->error);
else
class->create_reply (job, dbus_job->object, dbus_job->invocation);
if (job->failed)
g_vfs_job_emit_finished (job);
}
/* Might be called on an i/o thread */
static void
create_reply (GVfsJob *job,
GVfsDBusMount *object,
GDBusMethodInvocation *invocation)
{
gvfs_dbus_mount_complete_enumerate (object, invocation);
}
Reference in New Issue View Git Blame Copy Permalink