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Diffstat (limited to 'trunk/daemon/gvfsjobenumerate.c')
| -rw-r--r-- | trunk/daemon/gvfsjobenumerate.c | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/trunk/daemon/gvfsjobenumerate.c b/trunk/daemon/gvfsjobenumerate.c new file mode 100644 index 00000000..01678e35 --- /dev/null +++ b/trunk/daemon/gvfsjobenumerate.c @@ -0,0 +1,320 @@ +/* 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., 59 Temple Place, Suite 330, + * Boston, MA 02111-1307, 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 <dbus/dbus.h> +#include <glib/gi18n.h> +#include "gvfsjobenumerate.h" +#include "gdbusutils.h" +#include "gvfsdaemonprotocol.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 DBusMessage *create_reply (GVfsJob *job, + DBusConnection *connection, + DBusMessage *message); + +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) +{ +} + +GVfsJob * +g_vfs_job_enumerate_new (DBusConnection *connection, + DBusMessage *message, + GVfsBackend *backend) +{ + GVfsJobEnumerate *job; + DBusMessage *reply; + DBusError derror; + int path_len; + const char *obj_path; + const char *path_data; + char *attributes, *uri; + dbus_uint32_t flags; + DBusMessageIter iter; + + dbus_message_iter_init (message, &iter); + dbus_error_init (&derror); + if (!_g_dbus_message_iter_get_args (&iter, &derror, + DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, + &path_data, &path_len, + DBUS_TYPE_STRING, &obj_path, + DBUS_TYPE_STRING, &attributes, + DBUS_TYPE_UINT32, &flags, + 0)) + { + reply = dbus_message_new_error (message, + derror.name, + derror.message); + dbus_error_free (&derror); + + dbus_connection_send (connection, reply, NULL); + return NULL; + } + + /* Optional uri arg for thumbnail info */ + if (!_g_dbus_message_iter_get_args (&iter, NULL, + DBUS_TYPE_STRING, &uri, + 0)) + uri = NULL; + + job = g_object_new (G_VFS_TYPE_JOB_ENUMERATE, + "message", message, + "connection", connection, + NULL); + + job->object_path = g_strdup (obj_path); + job->filename = g_strndup (path_data, path_len); + job->backend = backend; + job->attributes = g_strdup (attributes); + job->attribute_matcher = g_file_attribute_matcher_new (attributes); + job->flags = flags; + job->uri = g_strdup (uri); + + return G_VFS_JOB (job); +} + +static void +send_infos (GVfsJobEnumerate *job) +{ + if (!dbus_message_iter_close_container (&job->building_iter, &job->building_array_iter)) + _g_dbus_oom (); + + dbus_connection_send (g_vfs_job_dbus_get_connection (G_VFS_JOB_DBUS (job)), + job->building_infos, NULL); + dbus_message_unref (job->building_infos); + job->building_infos = NULL; + job->n_building_infos = 0; +} + +void +g_vfs_job_enumerate_add_info (GVfsJobEnumerate *job, + GFileInfo *info) +{ + DBusMessage *message, *orig_message; + char *uri, *escaped_name; + + if (job->building_infos == NULL) + { + orig_message = g_vfs_job_dbus_get_message (G_VFS_JOB_DBUS (job)); + + message = dbus_message_new_method_call (dbus_message_get_sender (orig_message), + job->object_path, + G_VFS_DBUS_ENUMERATOR_INTERFACE, + G_VFS_DBUS_ENUMERATOR_OP_GOT_INFO); + dbus_message_set_no_reply (message, TRUE); + + dbus_message_iter_init_append (message, &job->building_iter); + + if (!dbus_message_iter_open_container (&job->building_iter, + DBUS_TYPE_ARRAY, + G_FILE_INFO_TYPE_AS_STRING, + &job->building_array_iter)) + _g_dbus_oom (); + + job->building_infos = message; + 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); + + _g_dbus_append_file_info (&job->building_array_iter, info); + 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); + } +} + +void +g_vfs_job_enumerate_done (GVfsJobEnumerate *job) +{ + DBusMessage *message, *orig_message; + + g_assert (!G_VFS_JOB (job)->failed); + + if (job->building_infos != NULL) + send_infos (job); + + orig_message = g_vfs_job_dbus_get_message (G_VFS_JOB_DBUS (job)); + + message = dbus_message_new_method_call (dbus_message_get_sender (orig_message), + job->object_path, + G_VFS_DBUS_ENUMERATOR_INTERFACE, + G_VFS_DBUS_ENUMERATOR_OP_DONE); + dbus_message_set_no_reply (message, TRUE); + + dbus_connection_send (g_vfs_job_dbus_get_connection (G_VFS_JOB_DBUS (job)), + message, NULL); + dbus_message_unref (message); + + 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 by backend")); + 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); + DBusMessage *reply; + 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) + reply = _dbus_message_new_from_gerror (dbus_job->message, job->error); + else + reply = class->create_reply (job, dbus_job->connection, dbus_job->message); + + g_assert (reply != NULL); + + /* Queues reply (threadsafely), actually sends it in mainloop */ + dbus_connection_send (dbus_job->connection, reply, NULL); + dbus_message_unref (reply); + + if (job->failed) + g_vfs_job_emit_finished (job); +} + +/* Might be called on an i/o thread */ +static DBusMessage * +create_reply (GVfsJob *job, + DBusConnection *connection, + DBusMessage *message) +{ + DBusMessage *reply; + + reply = dbus_message_new_method_return (message); + + return reply; +} |