libsysprof-analyze: add process list model

This is not yet functional, but gets the scaffolding in place that we'll
use to filter out processes and turn them into something more useful such
as their execution lifetime.

src/libsysprof-analyze/meson.build

@@ -9,6 +9,7 @@ libsysprof_analyze_public_sources = [
   'sysprof-document-metadata.c',
   'sysprof-document-mmap.c',
   'sysprof-document-process.c',
+  'sysprof-document-process-list.c',
   'sysprof-document-sample.c',
   'sysprof-document-traceable.c',
 ]
@@ -25,6 +26,7 @@ libsysprof_analyze_public_headers = [
   'sysprof-document-metadata.h',
   'sysprof-document-mmap.h',
   'sysprof-document-process.h',
+  'sysprof-document-process-list.h',
   'sysprof-document-sample.h',
   'sysprof-document-traceable.h',
 ]

src/libsysprof-analyze/sysprof-analyze.h

@@ -35,6 +35,7 @@ G_BEGIN_DECLS
 # include "sysprof-document-metadata.h"
 # include "sysprof-document-mmap.h"
 # include "sysprof-document-process.h"
+# include "sysprof-document-process-list.h"
 # include "sysprof-document-sample.h"
 # include "sysprof-document-traceable.h"
 #undef SYSPROF_ANALYZE_INSIDE

src/libsysprof-analyze/sysprof-document-process-list.c

@@ -0,0 +1,170 @@
+/*
+ * sysprof-document-process-list.c
+ *
+ * Copyright 2023 Christian Hergert <chergert@redhat.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include "config.h"
+
+#include "sysprof-document-process-list.h"
+
+struct _SysprofDocumentProcessList
+{
+  GObject     parent_instance;
+  GListModel *model;
+};
+
+static void list_model_iface_init (GListModelInterface *iface);
+
+G_DEFINE_FINAL_TYPE_WITH_CODE (SysprofDocumentProcessList, sysprof_document_process_list, G_TYPE_OBJECT,
+                               G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL, list_model_iface_init))
+
+enum {
+  PROP_0,
+  PROP_MODEL,
+  N_PROPS
+};
+
+static GParamSpec *properties [N_PROPS];
+
+/**
+ * sysprof_document_process_list_new:
+ * @model: a #GListModel or %NULL
+ *
+ * Creates a new #SysprofDocumentProcessList.
+ *
+ * The resulting process list can be used to determine the lifetime of
+ * processes that were found within the document.
+ *
+ * Returns: (transfer full): a new #SysprofDocumentProcessList
+ */
+SysprofDocumentProcessList *
+sysprof_document_process_list_new (GListModel *model)
+{
+  g_return_val_if_fail (!model || G_IS_LIST_MODEL (model), NULL);
+
+  return g_object_new (SYSPROF_TYPE_DOCUMENT_PROCESS_LIST,
+                       "model", model,
+                       NULL);
+}
+
+static void
+sysprof_document_process_list_finalize (GObject *object)
+{
+  SysprofDocumentProcessList *self = (SysprofDocumentProcessList *)object;
+
+  g_clear_object (&self->model);
+
+  G_OBJECT_CLASS (sysprof_document_process_list_parent_class)->finalize (object);
+}
+
+static void
+sysprof_document_process_list_get_property (GObject    *object,
+                                            guint       prop_id,
+                                            GValue     *value,
+                                            GParamSpec *pspec)
+{
+  SysprofDocumentProcessList *self = SYSPROF_DOCUMENT_PROCESS_LIST (object);
+
+  switch (prop_id)
+    {
+    case PROP_MODEL:
+      g_value_set_object (value, sysprof_document_process_list_get_model (self));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_document_process_list_set_property (GObject      *object,
+                                            guint         prop_id,
+                                            const GValue *value,
+                                            GParamSpec   *pspec)
+{
+  SysprofDocumentProcessList *self = SYSPROF_DOCUMENT_PROCESS_LIST (object);
+
+  switch (prop_id)
+    {
+    case PROP_MODEL:
+      sysprof_document_process_list_set_model (self, g_value_get_object (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_document_process_list_class_init (SysprofDocumentProcessListClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = sysprof_document_process_list_finalize;
+  object_class->get_property = sysprof_document_process_list_get_property;
+  object_class->set_property = sysprof_document_process_list_set_property;
+
+  properties [PROP_MODEL] =
+    g_param_spec_object ("model", NULL, NULL,
+                         G_TYPE_OBJECT,
+                         (G_PARAM_READWRITE |
+                          G_PARAM_EXPLICIT_NOTIFY |
+                          G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_properties (object_class, N_PROPS, properties);
+}
+
+static void
+sysprof_document_process_list_init (SysprofDocumentProcessList *self)
+{
+}
+
+static void
+list_model_iface_init (GListModelInterface *iface)
+{
+}
+
+/**
+ * sysprof_document_process_list_get_model:
+ * @self: a #SysprofDocumentProcessList
+ *
+ * Gets the underlying model containing processes to extract.
+ *
+ * Returns: (transfer none) (nullable): a #GListModel or %NULL
+ */
+GListModel *
+sysprof_document_process_list_get_model (SysprofDocumentProcessList *self)
+{
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT_PROCESS_LIST (self), NULL);
+
+  return self->model;
+}
+
+void
+sysprof_document_process_list_set_model (SysprofDocumentProcessList *self,
+                                         GListModel                 *model)
+{
+  g_return_if_fail (SYSPROF_IS_DOCUMENT_PROCESS_LIST (self));
+  g_return_if_fail (!model || G_IS_LIST_MODEL (model));
+
+  if (g_set_object (&self->model, model))
+    {
+      g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_MODEL]);
+    }
+}

src/libsysprof-analyze/sysprof-document-process-list.h

@@ -0,0 +1,42 @@
+/* sysprof-document-process-list.h
+ *
+ * Copyright 2023 Christian Hergert <chergert@redhat.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#pragma once
+
+#include <gio/gio.h>
+
+#include <sysprof-capture.h>
+
+G_BEGIN_DECLS
+
+#define SYSPROF_TYPE_DOCUMENT_PROCESS_LIST (sysprof_document_process_list_get_type())
+
+SYSPROF_AVAILABLE_IN_ALL
+G_DECLARE_FINAL_TYPE (SysprofDocumentProcessList, sysprof_document_process_list, SYSPROF, DOCUMENT_PROCESS_LIST, GObject)
+
+SYSPROF_AVAILABLE_IN_ALL
+SysprofDocumentProcessList *sysprof_document_process_list_new       (GListModel                 *model);
+SYSPROF_AVAILABLE_IN_ALL
+GListModel                 *sysprof_document_process_list_get_model (SysprofDocumentProcessList *self);
+SYSPROF_AVAILABLE_IN_ALL
+void                        sysprof_document_process_list_set_model (SysprofDocumentProcessList *self,
+                                                                     GListModel                 *model);
+
+G_END_DECLS