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https://github.com/varun-r-mallya/sysprof.git
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libsysprof: add support for dbus messages as a document type
This commit is contained in:
Christian Hergert
253
src/libsysprof/sysprof-document-dbus-message.c
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253
src/libsysprof/sysprof-document-dbus-message.c
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/* sysprof-document-dbus-message.c
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*
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* Copyright 2023 Christian Hergert <chergert@redhat.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "config.h"
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#include <glib/gi18n.h>
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#include "sysprof-document-frame-private.h"
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#include "sysprof-document-dbus-message.h"
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struct _SysprofDocumentDBusMessage
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{
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SysprofDocumentFrame parent_instance;
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GDBusMessage *message;
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};
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struct _SysprofDocumentDBusMessageClass
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{
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SysprofDocumentFrameClass parent_class;
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};
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enum {
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PROP_0,
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PROP_MESSAGE,
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PROP_MESSAGE_LENGTH,
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PROP_SERIAL,
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PROP_SENDER,
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PROP_DESTINATION,
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N_PROPS
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};
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G_DEFINE_FINAL_TYPE (SysprofDocumentDBusMessage, sysprof_document_dbus_message, SYSPROF_TYPE_DOCUMENT_FRAME)
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static GParamSpec *properties [N_PROPS];
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static void
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sysprof_document_dbus_message_dispose (GObject *object)
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{
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SysprofDocumentDBusMessage *self = (SysprofDocumentDBusMessage *)object;
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g_clear_object (&self->message);
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G_OBJECT_CLASS (sysprof_document_dbus_message_parent_class)->dispose (object);
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}
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static void
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sysprof_document_dbus_message_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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SysprofDocumentDBusMessage *self = SYSPROF_DOCUMENT_DBUS_MESSAGE (object);
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switch (prop_id)
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{
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case PROP_MESSAGE:
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g_value_take_object (value, sysprof_document_dbus_message_dup_message (self));
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break;
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case PROP_MESSAGE_LENGTH:
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g_value_set_uint (value, sysprof_document_dbus_message_get_message_length (self));
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break;
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case PROP_SERIAL:
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g_value_set_uint (value, sysprof_document_dbus_message_get_serial (self));
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break;
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case PROP_SENDER:
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g_value_set_string (value, sysprof_document_dbus_message_get_sender (self));
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break;
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case PROP_DESTINATION:
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g_value_set_string (value, sysprof_document_dbus_message_get_destination (self));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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sysprof_document_dbus_message_class_init (SysprofDocumentDBusMessageClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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SysprofDocumentFrameClass *document_frame_class = SYSPROF_DOCUMENT_FRAME_CLASS (klass);
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object_class->dispose = sysprof_document_dbus_message_dispose;
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object_class->get_property = sysprof_document_dbus_message_get_property;
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document_frame_class->type_name = N_("D-Bus Message");
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properties[PROP_MESSAGE_LENGTH] =
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g_param_spec_uint ("message-length", NULL, NULL,
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0, G_MAXUINT16, 0,
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(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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properties[PROP_MESSAGE] =
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g_param_spec_object ("message", NULL, NULL,
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G_TYPE_DBUS_MESSAGE,
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(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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properties[PROP_SERIAL] =
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g_param_spec_uint ("serial", NULL, NULL,
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0, G_MAXUINT, 0,
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(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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properties[PROP_SENDER] =
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g_param_spec_string ("sender", NULL, NULL,
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NULL,
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(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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properties[PROP_DESTINATION] =
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g_param_spec_string ("destination", NULL, NULL,
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NULL,
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(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_properties (object_class, N_PROPS, properties);
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}
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static void
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sysprof_document_dbus_message_init (SysprofDocumentDBusMessage *self)
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{
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}
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guint
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sysprof_document_dbus_message_get_message_length (SysprofDocumentDBusMessage *self)
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{
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const SysprofCaptureDBusMessage *dbus_message;
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guint len;
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g_return_val_if_fail (SYSPROF_IS_DOCUMENT_DBUS_MESSAGE (self), FALSE);
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dbus_message = SYSPROF_DOCUMENT_FRAME_GET (self, SysprofCaptureDBusMessage);
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len = SYSPROF_DOCUMENT_FRAME_UINT16 (self, dbus_message->message_len);
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if (len > SYSPROF_DOCUMENT_FRAME (self)->frame_len - sizeof *dbus_message)
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return 0;
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return len;
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}
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/**
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* sysprof_document_dbus_message_get_message_data:
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* @self: a #SysprofDocumentDBusMessage
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* @length: (out): the location of the length of the data
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*
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* Returns: (transfer none) (nullable): the message data or %NULL
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* if length is zero.
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*/
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const guint8 *
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sysprof_document_dbus_message_get_message_data (SysprofDocumentDBusMessage *self,
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guint *length)
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{
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const SysprofCaptureDBusMessage *dbus_message;
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guint len;
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g_return_val_if_fail (SYSPROF_IS_DOCUMENT_DBUS_MESSAGE (self), FALSE);
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dbus_message = SYSPROF_DOCUMENT_FRAME_GET (self, SysprofCaptureDBusMessage);
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len = sysprof_document_dbus_message_get_message_length (self);
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if (length != NULL)
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*length = len;
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if (len == 0)
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return NULL;
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return dbus_message->message;
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}
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/**
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* sysprof_document_dbus_message_dup_message:
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* @self: a #SysprofDocumentDBusMessage
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*
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* Tries to decode the message.
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*
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* Returns: (transfer none) (nullable): a #GDBusMessage or %NULL
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*/
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GDBusMessage *
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sysprof_document_dbus_message_dup_message (SysprofDocumentDBusMessage *self)
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{
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g_return_val_if_fail (SYSPROF_IS_DOCUMENT_DBUS_MESSAGE (self), NULL);
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if (self->message == NULL)
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{
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const guint8 *data;
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guint len;
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if ((data = sysprof_document_dbus_message_get_message_data (self, &len)))
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self->message = g_dbus_message_new_from_blob ((guchar *)data, len, G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING, NULL);
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}
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return self->message ? g_object_ref (self->message) : NULL;
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}
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guint
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sysprof_document_dbus_message_get_serial (SysprofDocumentDBusMessage *self)
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{
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g_autoptr(GDBusMessage) message = NULL;
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g_return_val_if_fail (SYSPROF_IS_DOCUMENT_DBUS_MESSAGE (self), 0);
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if (!(message = sysprof_document_dbus_message_dup_message (self)))
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return 0;
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return g_dbus_message_get_serial (message);
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}
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const char *
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sysprof_document_dbus_message_get_sender (SysprofDocumentDBusMessage *self)
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{
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g_autoptr(GDBusMessage) message = NULL;
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g_return_val_if_fail (SYSPROF_IS_DOCUMENT_DBUS_MESSAGE (self), NULL);
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if (!(message = sysprof_document_dbus_message_dup_message (self)))
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return NULL;
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/* Safe because of self->message */
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return g_dbus_message_get_sender (message);
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}
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const char *
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sysprof_document_dbus_message_get_destination (SysprofDocumentDBusMessage *self)
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{
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g_autoptr(GDBusMessage) message = NULL;
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g_return_val_if_fail (SYSPROF_IS_DOCUMENT_DBUS_MESSAGE (self), NULL);
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if (!(message = sysprof_document_dbus_message_dup_message (self)))
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return NULL;
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/* Safe because of self->message */
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return g_dbus_message_get_destination (message);
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}
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