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-rw-r--r--src/proctable.cpp1280
1 files changed, 1280 insertions, 0 deletions
diff --git a/src/proctable.cpp b/src/proctable.cpp
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--- /dev/null
+++ b/src/proctable.cpp
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+/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* Procman tree view and process updating
+ * Copyright (C) 2001 Kevin Vandersloot
+ *
+ * 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 2
+ * 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 Library General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#include <config.h>
+
+
+#include <string.h>
+#include <math.h>
+#include <glib/gi18n.h>
+#include <glib/gprintf.h>
+#include <glibtop.h>
+#include <glibtop/proclist.h>
+#include <glibtop/procstate.h>
+#include <glibtop/procio.h>
+#include <glibtop/procmem.h>
+#include <glibtop/procmap.h>
+#include <glibtop/proctime.h>
+#include <glibtop/procuid.h>
+#include <glibtop/procargs.h>
+#include <glibtop/prockernel.h>
+#include <glibtop/mem.h>
+#include <glibtop/swap.h>
+#include <sys/stat.h>
+#include <pwd.h>
+#include <time.h>
+
+#include <set>
+#include <list>
+
+#ifdef HAVE_WNCK
+#define WNCK_I_KNOW_THIS_IS_UNSTABLE
+#include <libwnck/libwnck.h>
+#endif
+
+#include "application.h"
+#include "proctable.h"
+#include "prettytable.h"
+#include "util.h"
+#include "interface.h"
+#include "selinux.h"
+#include "settings-keys.h"
+#include "cgroups.h"
+#include "legacy/treeview.h"
+#include "systemd.h"
+
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+ProcInfo* ProcList::find(pid_t pid)
+{
+ auto it = data.find(pid);
+ return (it == data.end() ? nullptr : &it->second);
+}
+
+static void
+cb_save_tree_state(gpointer, gpointer data)
+{
+ GsmApplication * const app = static_cast<GsmApplication *>(data);
+
+ gsm_tree_view_save_state (app->tree);
+}
+
+static void
+cb_proctree_destroying (GtkTreeView *self, gpointer data)
+{
+ g_signal_handlers_disconnect_by_func (self,
+ (gpointer) cb_save_tree_state,
+ data);
+
+ g_signal_handlers_disconnect_by_func (gtk_tree_view_get_model (self),
+ (gpointer) cb_save_tree_state,
+ data);
+}
+
+static gboolean
+cb_tree_button_pressed (GtkWidget *widget, GdkEventButton *event, gpointer data)
+{
+ GsmApplication *app = (GsmApplication *) data;
+ GtkTreePath *path;
+ GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
+
+ if (!gdk_event_triggers_context_menu ((GdkEvent *) event))
+ return FALSE;
+
+ if (!gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (app->tree), event->x, event->y, &path, NULL, NULL, NULL))
+ return FALSE;
+
+ if (!gtk_tree_selection_path_is_selected (selection, path)) {
+ if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)))
+ gtk_tree_selection_unselect_all (selection);
+ gtk_tree_selection_select_path (selection, path);
+ }
+
+ gtk_tree_path_free (path);
+
+ gtk_menu_popup_at_pointer (GTK_MENU (app->popup_menu), NULL);
+ return TRUE;
+}
+
+static gboolean
+cb_tree_popup_menu (GtkWidget *widget, gpointer data)
+{
+ GsmApplication *app = (GsmApplication *) data;
+
+ gtk_menu_popup_at_pointer (GTK_MENU (app->popup_menu), NULL);
+
+ return TRUE;
+}
+
+void
+get_last_selected (GtkTreeModel *model, GtkTreePath *path,
+ GtkTreeIter *iter, gpointer data)
+{
+ ProcInfo **info = (ProcInfo**) data;
+
+ gtk_tree_model_get (model, iter, COL_POINTER, info, -1);
+}
+
+static void
+cb_row_selected (GtkTreeSelection *selection, gpointer data)
+{
+ GsmApplication *app = (GsmApplication *) data;
+
+ ProcInfo *selected_process = NULL;
+ gint selected_count = gtk_tree_selection_count_selected_rows (selection);
+
+ app->selection = selection;
+
+ gchar *button_text = ngettext("_End Process", "_End Processes", selected_count);
+ gtk_button_set_label (GTK_BUTTON(app->end_process_button), button_text);
+
+ /* get the most recent selected process and determine if there are
+ ** no selected processes
+ */
+ gtk_tree_selection_selected_foreach (selection, get_last_selected,
+ &selected_process);
+ if (selected_process) {
+ GVariant *priority;
+ gint nice = selected_process->nice;
+ if (nice < -7)
+ priority = g_variant_new_int32 (-20);
+ else if (nice < -2)
+ priority = g_variant_new_int32 (-5);
+ else if (nice < 3)
+ priority = g_variant_new_int32 (0);
+ else if (nice < 7)
+ priority = g_variant_new_int32 (5);
+ else
+ priority = g_variant_new_int32 (19);
+
+ GAction *action = g_action_map_lookup_action (G_ACTION_MAP (app->main_window),
+ "priority");
+
+ g_action_change_state (action, priority);
+ }
+ update_sensitivity(app);
+}
+
+static gint
+cb_timeout (gpointer data)
+{
+ GsmApplication *app = (GsmApplication *) data;
+ guint new_interval;
+
+ proctable_update (app);
+
+ if (app->smooth_refresh->get(new_interval)) {
+ app->timeout = g_timeout_add(new_interval,
+ cb_timeout,
+ app);
+ return G_SOURCE_REMOVE;
+ }
+
+ return G_SOURCE_CONTINUE;
+}
+
+static void
+cb_refresh_icons (GtkIconTheme *theme, gpointer data)
+{
+ GsmApplication *app = (GsmApplication *) data;
+
+ for (auto& v : app->processes) {
+ app->pretty_table->set_icon(v.second);
+ }
+
+ proctable_update (app);
+}
+
+static gboolean
+iter_matches_search_key (GtkTreeModel *model, GtkTreeIter *iter, const gchar *search_text)
+{
+ char *name;
+ char *user;
+ pid_t pid;
+ char *pids;
+ char *args;
+ gboolean found;
+ char *search_pattern;
+ char **keys;
+ Glib::RefPtr<Glib::Regex> regex;
+
+ gtk_tree_model_get (model, iter,
+ COL_NAME, &name,
+ COL_USER, &user,
+ COL_PID, &pid,
+ COL_ARGS, &args,
+ -1);
+
+ pids = g_strdup_printf ("%d", pid);
+
+ keys = g_strsplit_set(search_text, " |", -1);
+ search_pattern = g_strjoinv ("|", keys);
+ try {
+ regex = Glib::Regex::create(search_pattern, Glib::REGEX_CASELESS);
+ } catch (const Glib::Error& ex) {
+ regex = Glib::Regex::create(Glib::Regex::escape_string(search_pattern), Glib::REGEX_CASELESS);
+ }
+
+ found = (name && regex->match(name)) || (user && regex->match(user))
+ || (pids && regex->match(pids)) || (args && regex->match(args));
+
+ g_strfreev (keys);
+ g_free (search_pattern);
+ g_free (name);
+ g_free (user);
+ g_free (args);
+ g_free (pids);
+
+ return found;
+}
+
+static gboolean
+process_visibility_func (GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
+{
+ GsmApplication * const app = static_cast<GsmApplication *>(data);
+ const gchar * search_text = app->search_entry == NULL ? "" : gtk_entry_get_text (GTK_ENTRY (app->search_entry));
+ GtkTreePath *tree_path = gtk_tree_model_get_path (model, iter);
+
+ if (strcmp (search_text, "") == 0) {
+ gtk_tree_path_free (tree_path);
+ return TRUE;
+ }
+
+ // in case we are in dependencies view, we show (and expand) rows not matching the text, but having a matching child
+ gboolean match = false;
+ if (app->settings->get_boolean (GSM_SETTING_SHOW_DEPENDENCIES)) {
+ GtkTreeIter child;
+ if (gtk_tree_model_iter_children (model, &child, iter)) {
+ gboolean child_match = FALSE;
+ do {
+ child_match = process_visibility_func (model, &child, data);
+ } while (gtk_tree_model_iter_next (model, &child) && !child_match);
+ match = child_match;
+ }
+
+ match |= iter_matches_search_key (model, iter, search_text);
+ if (match && (strlen (search_text) > 0)) {
+ gtk_tree_view_expand_to_path (GTK_TREE_VIEW (app->tree), tree_path);
+ }
+
+ } else {
+ match = iter_matches_search_key (model, iter, search_text);
+ }
+
+ gtk_tree_path_free (tree_path);
+
+ return match;
+}
+
+static void
+proctable_clear_tree (GsmApplication * const app)
+{
+ GtkTreeModel *model;
+
+ model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (
+ gtk_tree_model_sort_get_model(GTK_TREE_MODEL_SORT (
+ gtk_tree_view_get_model (GTK_TREE_VIEW(app->tree))))));
+
+ gtk_tree_store_clear (GTK_TREE_STORE (model));
+
+ proctable_free_table (app);
+
+ update_sensitivity(app);
+}
+
+static void
+cb_show_dependencies_changed(Gio::Settings& settings, Glib::ustring key, GsmApplication* app) {
+ if (app->timeout) {
+ gtk_tree_view_set_show_expanders (GTK_TREE_VIEW (app->tree),
+ settings.get_boolean (GSM_SETTING_SHOW_DEPENDENCIES));
+
+ proctable_clear_tree (app);
+ proctable_update (app);
+ }
+}
+
+static void
+cb_show_whose_processes_changed(Gio::Settings& settings, Glib::ustring key, GsmApplication* app) {
+ if (app->timeout) {
+ proctable_clear_tree (app);
+ proctable_update (app);
+ }
+}
+
+GsmTreeView *
+proctable_new (GsmApplication * const app)
+{
+ GsmTreeView *proctree;
+ GtkTreeStore *model;
+ GtkTreeModelFilter *model_filter;
+ GtkTreeModelSort *model_sort;
+ GtkTreeSelection *selection;
+
+ GtkTreeViewColumn *column;
+ GtkCellRenderer *cell_renderer;
+ const gchar *titles[] = {
+ N_("Process Name"),
+ N_("User"),
+ N_("Status"),
+ N_("Virtual Memory"),
+ N_("Resident Memory"),
+ N_("Writable Memory"),
+ N_("Shared Memory"),
+ N_("X Server Memory"),
+ /* xgettext:no-c-format */ N_("% CPU"),
+ N_("CPU Time"),
+ N_("Started"),
+ N_("Nice"),
+ N_("ID"),
+ N_("Security Context"),
+ N_("Command Line"),
+ N_("Memory"),
+ /* xgettext: combined noun, the function the process is waiting in, see wchan ps(1) */
+ N_("Waiting Channel"),
+ N_("Control Group"),
+ N_("Unit"),
+ N_("Session"),
+ /* TRANSLATORS: Seat = i.e. the physical seat the session of the process belongs to, only
+ for multi-seat environments. See http://en.wikipedia.org/wiki/Multiseat_configuration */
+ N_("Seat"),
+ N_("Owner"),
+ N_("Disk read total"),
+ N_("Disk write total"),
+ N_("Disk read"),
+ N_("Disk write"),
+ N_("Priority"),
+ NULL,
+ "POINTER"
+ };
+
+ gint i;
+ auto settings = g_settings_get_child (app->settings->gobj (), GSM_SETTINGS_CHILD_PROCESSES);
+ model = gtk_tree_store_new (NUM_COLUMNS,
+ G_TYPE_STRING, /* Process Name */
+ G_TYPE_STRING, /* User */
+ G_TYPE_UINT, /* Status */
+ G_TYPE_ULONG, /* VM Size */
+ G_TYPE_ULONG, /* Resident Memory */
+ G_TYPE_ULONG, /* Writable Memory */
+ G_TYPE_ULONG, /* Shared Memory */
+ G_TYPE_ULONG, /* X Server Memory */
+ G_TYPE_DOUBLE, /* % CPU */
+ G_TYPE_UINT64, /* CPU time */
+ G_TYPE_ULONG, /* Started */
+ G_TYPE_INT, /* Nice */
+ G_TYPE_UINT, /* ID */
+ G_TYPE_STRING, /* Security Context */
+ G_TYPE_STRING, /* Arguments */
+ G_TYPE_ULONG, /* Memory */
+ G_TYPE_STRING, /* wchan */
+ G_TYPE_STRING, /* Cgroup */
+ G_TYPE_STRING, /* Unit */
+ G_TYPE_STRING, /* Session */
+ G_TYPE_STRING, /* Seat */
+ G_TYPE_STRING, /* Owner */
+ G_TYPE_UINT64, /* Disk read total */
+ G_TYPE_UINT64, /* Disk write total*/
+ G_TYPE_UINT64, /* Disk read */
+ G_TYPE_UINT64, /* Disk write */
+ G_TYPE_STRING, /* Priority */
+ GDK_TYPE_PIXBUF, /* Icon */
+ G_TYPE_POINTER, /* ProcInfo */
+ G_TYPE_STRING /* Sexy tooltip */
+ );
+
+ model_filter = GTK_TREE_MODEL_FILTER (gtk_tree_model_filter_new (GTK_TREE_MODEL (model), NULL));
+
+ gtk_tree_model_filter_set_visible_func(model_filter, process_visibility_func, app, NULL);
+
+ model_sort = GTK_TREE_MODEL_SORT (gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL (model_filter)));
+
+ proctree = gsm_tree_view_new (settings, TRUE);
+ gtk_tree_view_set_model (GTK_TREE_VIEW (proctree), GTK_TREE_MODEL (model_sort));
+
+ gtk_tree_view_set_tooltip_column (GTK_TREE_VIEW (proctree), COL_TOOLTIP);
+ gtk_tree_view_set_show_expanders (GTK_TREE_VIEW (proctree), app->settings->get_boolean (GSM_SETTING_SHOW_DEPENDENCIES));
+ gtk_tree_view_set_enable_search (GTK_TREE_VIEW (proctree), FALSE);
+ g_object_unref (G_OBJECT (model));
+
+ column = gtk_tree_view_column_new ();
+
+ cell_renderer = gtk_cell_renderer_pixbuf_new ();
+ gtk_tree_view_column_pack_start (column, cell_renderer, FALSE);
+ gtk_tree_view_column_set_attributes (column, cell_renderer,
+ "pixbuf", COL_PIXBUF,
+ NULL);
+
+ cell_renderer = gtk_cell_renderer_text_new ();
+ gtk_tree_view_column_pack_start (column, cell_renderer, FALSE);
+ gtk_tree_view_column_set_attributes (column, cell_renderer,
+ "text", COL_NAME,
+ NULL);
+ gtk_tree_view_column_set_title (column, _(titles[0]));
+
+ gtk_tree_view_column_set_sort_column_id (column, COL_NAME);
+ gtk_tree_view_column_set_resizable (column, TRUE);
+ gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
+ gtk_tree_view_column_set_min_width (column, 1);
+ gtk_tree_view_column_set_reorderable(column, TRUE);
+
+ gsm_tree_view_append_and_bind_column (proctree, column);
+ gtk_tree_view_set_expander_column (GTK_TREE_VIEW (proctree), column);
+
+ gtk_tree_view_column_set_expand (column, TRUE);
+
+ for (i = COL_USER; i <= COL_PRIORITY; i++) {
+ GtkTreeViewColumn *col;
+ GtkCellRenderer *cell;
+ PangoAttrList *attrs = NULL;
+
+#ifndef HAVE_WNCK
+ if (i == COL_MEMXSERVER)
+ continue;
+#endif
+
+ if (i == COL_MEMWRITABLE)
+ continue;
+
+ cell = gtk_cell_renderer_text_new();
+ col = gtk_tree_view_column_new();
+ gtk_tree_view_column_pack_start(col, cell, TRUE);
+ gtk_tree_view_column_set_title(col, _(titles[i]));
+ gtk_tree_view_column_set_resizable(col, TRUE);
+ gtk_tree_view_column_set_sort_column_id(col, i);
+ gtk_tree_view_column_set_reorderable(col, TRUE);
+ gsm_tree_view_append_and_bind_column (proctree, col);
+
+ // type
+ switch (i) {
+#ifdef HAVE_WNCK
+ case COL_MEMXSERVER:
+ gtk_tree_view_column_set_cell_data_func(col, cell,
+ &procman::size_cell_data_func,
+ GUINT_TO_POINTER(i),
+ NULL);
+ break;
+#endif
+ case COL_VMSIZE:
+ case COL_MEMRES:
+ case COL_MEMSHARED:
+ case COL_MEM:
+ gtk_tree_view_column_set_cell_data_func(col, cell,
+ &procman::size_na_cell_data_func,
+ GUINT_TO_POINTER(i),
+ NULL);
+ break;
+ case COL_CPU:
+ gtk_tree_view_column_set_cell_data_func(col, cell,
+ &procman::percentage_cell_data_func,
+ GUINT_TO_POINTER(i),
+ NULL);
+ break;
+ case COL_CPU_TIME:
+ gtk_tree_view_column_set_cell_data_func(col, cell,
+ &procman::duration_cell_data_func,
+ GUINT_TO_POINTER(i),
+ NULL);
+ break;
+
+ case COL_START_TIME:
+ gtk_tree_view_column_set_cell_data_func(col, cell,
+ &procman::time_cell_data_func,
+ GUINT_TO_POINTER(i),
+ NULL);
+ break;
+
+ case COL_STATUS:
+ gtk_tree_view_column_set_cell_data_func(col, cell,
+ &procman::status_cell_data_func,
+ GUINT_TO_POINTER(i),
+ NULL);
+ break;
+ case COL_DISK_READ_TOTAL:
+ case COL_DISK_WRITE_TOTAL:
+ gtk_tree_view_column_set_cell_data_func(col, cell,
+ &procman::size_na_cell_data_func,
+ GUINT_TO_POINTER(i),
+ NULL);
+ break;
+ case COL_DISK_READ_CURRENT:
+ case COL_DISK_WRITE_CURRENT:
+ gtk_tree_view_column_set_cell_data_func(col, cell,
+ &procman::io_rate_cell_data_func,
+ GUINT_TO_POINTER(i),
+ NULL);
+
+ break;
+ case COL_PRIORITY:
+ gtk_tree_view_column_set_cell_data_func(col, cell,
+ &procman::priority_cell_data_func,
+ GUINT_TO_POINTER(COL_NICE),
+ NULL);
+ break;
+ default:
+ gtk_tree_view_column_set_attributes(col, cell, "text", i, NULL);
+ break;
+ }
+
+ // Tabular Numbers
+ switch (i) {
+#ifdef HAVE_WNCK
+ case COL_MEMXSERVER:
+#endif
+ case COL_PID:
+ case COL_VMSIZE:
+ case COL_MEMRES:
+ case COL_MEMSHARED:
+ case COL_MEM:
+ case COL_CPU:
+ case COL_CPU_TIME:
+ case COL_DISK_READ_TOTAL:
+ case COL_DISK_WRITE_TOTAL:
+ case COL_DISK_READ_CURRENT:
+ case COL_DISK_WRITE_CURRENT:
+ case COL_START_TIME:
+ case COL_NICE:
+ case COL_WCHAN:
+ attrs = make_tnum_attr_list ();
+ g_object_set (cell, "attributes", attrs, NULL);
+ g_clear_pointer (&attrs, pango_attr_list_unref);
+ break;
+ default:
+ break;
+ }
+
+ // sorting
+ switch (i) {
+#ifdef HAVE_WNCK
+ case COL_MEMXSERVER:
+#endif
+ case COL_VMSIZE:
+ case COL_MEMRES:
+ case COL_MEMSHARED:
+ case COL_MEM:
+ case COL_CPU:
+ case COL_CPU_TIME:
+ case COL_DISK_READ_TOTAL:
+ case COL_DISK_WRITE_TOTAL:
+ case COL_DISK_READ_CURRENT:
+ case COL_DISK_WRITE_CURRENT:
+ case COL_START_TIME:
+ gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (model_sort), i,
+ procman::number_compare_func,
+ GUINT_TO_POINTER (i),
+ NULL);
+ break;
+ case COL_PRIORITY:
+ gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (model_sort), i,
+ procman::priority_compare_func,
+ GUINT_TO_POINTER (COL_NICE), NULL);
+ break;
+ default:
+ break;
+ }
+
+ // xalign
+ switch(i)
+ {
+ case COL_VMSIZE:
+ case COL_MEMRES:
+ case COL_MEMSHARED:
+#ifdef HAVE_WNCK
+ case COL_MEMXSERVER:
+#endif
+ case COL_CPU:
+ case COL_NICE:
+ case COL_PID:
+ case COL_DISK_READ_TOTAL:
+ case COL_DISK_WRITE_TOTAL:
+ case COL_DISK_READ_CURRENT:
+ case COL_DISK_WRITE_CURRENT:
+ case COL_CPU_TIME:
+ case COL_MEM:
+ g_object_set(G_OBJECT(cell), "xalign", 1.0f, NULL);
+ break;
+ }
+
+ gtk_tree_view_column_set_sizing(col, GTK_TREE_VIEW_COLUMN_FIXED);
+ // sizing
+ switch (i) {
+ case COL_ARGS:
+ gtk_tree_view_column_set_min_width(col, 150);
+ break;
+ default:
+ gtk_tree_view_column_set_min_width(column, 20);
+ break;
+ }
+
+ if (i == COL_ARGS) {
+ gtk_tree_view_column_set_expand(col, TRUE);
+ } else {
+ gtk_tree_view_column_set_expand(col, FALSE);
+ }
+ }
+ app->tree = proctree;
+ app->top_of_tree = NULL;
+ app->last_vscroll_max = 0;
+ app->last_vscroll_value = 0;
+
+ if (!cgroups_enabled ())
+ gsm_tree_view_add_excluded_column (proctree, COL_CGROUP);
+
+ if (!procman::systemd_logind_running())
+ {
+ gsm_tree_view_add_excluded_column (proctree, COL_UNIT);
+ gsm_tree_view_add_excluded_column (proctree, COL_SESSION);
+ gsm_tree_view_add_excluded_column (proctree, COL_SEAT);
+ gsm_tree_view_add_excluded_column (proctree, COL_OWNER);
+ }
+
+ if (!can_show_security_context_column ())
+ gsm_tree_view_add_excluded_column (proctree, COL_SECURITYCONTEXT);
+
+ gsm_tree_view_load_state (proctree);
+
+ GtkIconTheme* theme = gtk_icon_theme_get_default();
+ g_signal_connect(G_OBJECT (theme), "changed", G_CALLBACK (cb_refresh_icons), app);
+
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (proctree));
+ app->selection = selection;
+
+ gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
+
+ g_signal_connect (G_OBJECT (selection),
+ "changed",
+ G_CALLBACK (cb_row_selected), app);
+ g_signal_connect (G_OBJECT (proctree), "popup_menu",
+ G_CALLBACK (cb_tree_popup_menu), app);
+ g_signal_connect (G_OBJECT (proctree), "button_press_event",
+ G_CALLBACK (cb_tree_button_pressed), app);
+
+ g_signal_connect (G_OBJECT (proctree), "destroy",
+ G_CALLBACK (cb_proctree_destroying),
+ app);
+
+ g_signal_connect (G_OBJECT (proctree), "columns-changed",
+ G_CALLBACK (cb_save_tree_state), app);
+
+ g_signal_connect (G_OBJECT (model_sort), "sort-column-changed",
+ G_CALLBACK (cb_save_tree_state), app);
+
+ app->settings->signal_changed(GSM_SETTING_SHOW_DEPENDENCIES).connect([app](const Glib::ustring& key) {
+ cb_show_dependencies_changed(*app->settings.operator->(), key, app);
+ });
+
+ app->settings->signal_changed(GSM_SETTING_SHOW_WHOSE_PROCESSES).connect([app](const Glib::ustring& key) {
+ cb_show_whose_processes_changed(*app->settings.operator->(), key, app);
+ });
+
+ gtk_widget_show (GTK_WIDGET (proctree));
+
+ return proctree;
+}
+
+static void
+get_process_name (ProcInfo *info,
+ const gchar *cmd, const GStrv args)
+{
+ if (args) {
+ // look for /usr/bin/very_long_name
+ // and also /usr/bin/interpreter /usr/.../very_long_name
+ // which may have use prctl to alter 'cmd' name
+ for (int i = 0; i != 2 && args[i]; ++i) {
+ char* basename;
+ basename = g_path_get_basename(args[i]);
+
+ if (g_str_has_prefix(basename, cmd)) {
+ info->name = make_string(basename);
+ return;
+ }
+
+ g_free(basename);
+ }
+ }
+ info->name = cmd;
+}
+
+std::string
+ProcInfo::lookup_user(guint uid)
+{
+ static std::map<guint, std::string> users;
+ auto p = users.insert({uid, ""});
+
+ // procman_debug("User lookup for uid %u: %s", uid, (p.second ? "MISS" : "HIT"));
+
+ if (p.second) {
+ struct passwd* pwd;
+ pwd = getpwuid(uid);
+
+ if (pwd && pwd->pw_name)
+ p.first->second = pwd->pw_name;
+ else {
+ char username[16];
+ g_sprintf(username, "%u", uid);
+ p.first->second = username;
+ }
+ }
+
+ return p.first->second;
+}
+
+void
+ProcInfo::set_user(guint uid)
+{
+ if (G_LIKELY(this->uid == uid))
+ return;
+
+ this->uid = uid;
+ this->user = lookup_user(uid);
+}
+
+void
+get_process_memory_writable (ProcInfo *info)
+{
+ glibtop_proc_map buf;
+ glibtop_map_entry *maps;
+
+ maps = glibtop_get_proc_map(&buf, info->pid);
+
+ const bool use_private_dirty = buf.flags & (1 << GLIBTOP_MAP_ENTRY_PRIVATE_DIRTY);
+
+ gulong memwritable = 0;
+ const unsigned number = buf.number;
+
+ for (unsigned i = 0; i < number; ++i) {
+ if (use_private_dirty) {
+ // clang++ 3.4 is not smart enough to move this invariant out of the loop
+ // but who cares ?
+ memwritable += maps[i].private_dirty;
+ }
+ else if (maps[i].perm & GLIBTOP_MAP_PERM_WRITE) {
+ memwritable += maps[i].size;
+ }
+ }
+
+ info->memwritable = memwritable;
+
+ g_free(maps);
+}
+
+static void
+get_process_memory_info(ProcInfo *info)
+{
+ glibtop_proc_mem procmem;
+
+#ifdef HAVE_WNCK
+ info->memxserver = 0;
+#ifdef GDK_WINDOWING_X11
+ if (GDK_IS_X11_DISPLAY (gdk_display_get_default ())) {
+ WnckResourceUsage xresources;
+
+ wnck_pid_read_resource_usage (gdk_display_get_default (),
+ info->pid,
+ &xresources);
+
+ info->memxserver = xresources.total_bytes_estimate;
+ }
+#endif
+#endif
+
+ glibtop_get_proc_mem(&procmem, info->pid);
+
+ info->vmsize = procmem.vsize;
+ info->memres = procmem.resident;
+ info->memshared = procmem.share;
+
+ info->mem = info->memres - info->memshared;
+#ifdef HAVE_WNCK
+ info->mem += info->memxserver;
+#endif
+}
+
+static void
+update_info_mutable_cols(ProcInfo *info)
+{
+ GtkTreeModel *model;
+ model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (
+ gtk_tree_model_sort_get_model(GTK_TREE_MODEL_SORT(
+ gtk_tree_view_get_model (GTK_TREE_VIEW(GsmApplication::get()->tree))))));
+
+ using procman::tree_store_update;
+
+ tree_store_update(model, &info->node, COL_STATUS, info->status);
+ tree_store_update(model, &info->node, COL_USER, info->user.c_str());
+ tree_store_update(model, &info->node, COL_VMSIZE, info->vmsize);
+ tree_store_update(model, &info->node, COL_MEMRES, info->memres);
+ tree_store_update(model, &info->node, COL_MEMSHARED, info->memshared);
+#ifdef HAVE_WNCK
+ tree_store_update(model, &info->node, COL_MEMXSERVER, info->memxserver);
+#endif
+ tree_store_update(model, &info->node, COL_CPU, info->pcpu);
+ tree_store_update(model, &info->node, COL_CPU_TIME, info->cpu_time);
+ tree_store_update(model, &info->node, COL_DISK_READ_TOTAL, info->disk_read_bytes_total);
+ tree_store_update(model, &info->node, COL_DISK_WRITE_TOTAL, info->disk_write_bytes_total);
+ tree_store_update(model, &info->node, COL_DISK_READ_CURRENT, info->disk_read_bytes_current);
+ tree_store_update(model, &info->node, COL_DISK_WRITE_CURRENT, info->disk_write_bytes_current);
+ tree_store_update(model, &info->node, COL_START_TIME, info->start_time);
+ tree_store_update(model, &info->node, COL_NICE, info->nice);
+ tree_store_update(model, &info->node, COL_MEM, info->mem);
+ tree_store_update(model, &info->node, COL_WCHAN, info->wchan.c_str());
+ tree_store_update(model, &info->node, COL_CGROUP, info->cgroup_name.c_str());
+ tree_store_update(model, &info->node, COL_UNIT, info->unit.c_str());
+ tree_store_update(model, &info->node, COL_SESSION, info->session.c_str());
+ tree_store_update(model, &info->node, COL_SEAT, info->seat.c_str());
+ tree_store_update(model, &info->node, COL_OWNER, info->owner.c_str());
+}
+
+static void
+insert_info_to_tree (ProcInfo *info, GsmApplication *app, bool forced = false)
+{
+ GtkTreeModel *model;
+ GtkTreeModel *filtered;
+ GtkTreeModel *sorted;
+ sorted = gtk_tree_view_get_model (GTK_TREE_VIEW(app->tree));
+ filtered = gtk_tree_model_sort_get_model(GTK_TREE_MODEL_SORT(sorted));
+ model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (filtered));
+
+ if (app->settings->get_boolean (GSM_SETTING_SHOW_DEPENDENCIES)) {
+
+ ProcInfo *parent = 0;
+
+ if (not forced)
+ parent = app->processes.find(info->ppid);
+
+ if (parent) {
+ GtkTreePath *parent_node = gtk_tree_model_get_path(model, &parent->node);
+ gtk_tree_store_insert(GTK_TREE_STORE(model), &info->node, &parent->node, 0);
+
+ GtkTreePath *filtered_parent = gtk_tree_model_filter_convert_child_path_to_path (GTK_TREE_MODEL_FILTER (filtered), parent_node);
+ if (filtered_parent != NULL) {
+ GtkTreePath *sorted_parent = gtk_tree_model_sort_convert_child_path_to_path (GTK_TREE_MODEL_SORT (sorted), filtered_parent);
+
+ if (sorted_parent != NULL) {
+ if (!gtk_tree_view_row_expanded(GTK_TREE_VIEW(app->tree), sorted_parent)
+#ifdef __linux__
+ // on linuxes we don't want to expand kthreadd by default (always has pid 2)
+ && (parent->pid != 2)
+#endif
+ )
+ gtk_tree_view_expand_row(GTK_TREE_VIEW(app->tree), sorted_parent, FALSE);
+ gtk_tree_path_free (sorted_parent);
+ }
+ gtk_tree_path_free (filtered_parent);
+ }
+ gtk_tree_path_free (parent_node);
+ } else
+ gtk_tree_store_insert(GTK_TREE_STORE(model), &info->node, NULL, 0);
+ }
+ else
+ gtk_tree_store_insert (GTK_TREE_STORE (model), &info->node, NULL, 0);
+
+ gtk_tree_store_set (GTK_TREE_STORE (model), &info->node,
+ COL_POINTER, info,
+ COL_NAME, info->name.c_str(),
+ COL_ARGS, info->arguments.c_str(),
+ COL_TOOLTIP, info->tooltip.c_str(),
+ COL_PID, info->pid,
+ COL_SECURITYCONTEXT, info->security_context.c_str(),
+ -1);
+
+ app->pretty_table->set_icon(*info);
+
+ procman_debug("inserted %d%s", info->pid, (forced ? " (forced)" : ""));
+}
+
+/* Removing a node with children - make sure the children are queued
+** to be readded.
+*/
+template<typename List>
+static void
+remove_info_from_tree (GsmApplication *app, GtkTreeModel *model,
+ ProcInfo& current, List &orphans, unsigned lvl = 0)
+{
+ GtkTreeIter child_node;
+
+ if (std::find(orphans.begin(), orphans.end(), &current) != orphans.end()) {
+ procman_debug("[%u] %d already removed from tree", lvl, int(current.pid));
+ return;
+ }
+
+ procman_debug("[%u] pid %d, %d children", lvl, int(current.pid),
+ gtk_tree_model_iter_n_children(model, &current.node));
+
+ // it is not possible to iterate&erase over a treeview so instead we
+ // just pop one child after another and recursively remove it and
+ // its children
+
+ while (gtk_tree_model_iter_children(model, &child_node, &current.node)) {
+ ProcInfo *child = 0;
+ gtk_tree_model_get(model, &child_node, COL_POINTER, &child, -1);
+ remove_info_from_tree(app, model, *child, orphans, lvl + 1);
+ }
+
+ g_assert(not gtk_tree_model_iter_has_child(model, &current.node));
+
+ orphans.push_back(&current);
+ gtk_tree_store_remove(GTK_TREE_STORE(model), &current.node);
+ procman::poison(current.node, 0x69);
+}
+
+
+static std::string
+get_proc_kernel_wchan(glibtop_proc_kernel& obj) {
+ char buf[40] = {0};
+ g_strlcpy(buf, obj.wchan, sizeof(buf));
+ buf[sizeof(buf)-1] = '\0';
+ return buf;
+}
+
+static void
+update_info (GsmApplication *app, ProcInfo *info)
+{
+ glibtop_proc_state procstate;
+ glibtop_proc_uid procuid;
+ glibtop_proc_time proctime;
+ glibtop_proc_kernel prockernel;
+ glibtop_proc_io procio;
+ gdouble update_interval_seconds = app->config.update_interval / 1000;
+ glibtop_get_proc_kernel(&prockernel, info->pid);
+ info->wchan = get_proc_kernel_wchan(prockernel);
+
+ glibtop_get_proc_state (&procstate, info->pid);
+ info->status = procstate.state;
+
+ glibtop_get_proc_uid (&procuid, info->pid);
+ glibtop_get_proc_time (&proctime, info->pid);
+ glibtop_get_proc_io (&procio, info->pid);
+
+ get_process_memory_info(info);
+
+ info->set_user(procstate.uid);
+
+ // if the cpu time has increased reset the status to running
+ // regardless of kernel state (#606579)
+ guint64 difference = proctime.rtime - info->cpu_time;
+ if (difference > 0)
+ info->status = GLIBTOP_PROCESS_RUNNING;
+
+ guint cpu_scale = 100;
+ if (not app->config.solaris_mode)
+ cpu_scale *= app->config.num_cpus;
+
+ info->pcpu = (gdouble)difference * cpu_scale / app->cpu_total_time;
+ info->pcpu = MIN(info->pcpu, cpu_scale);
+
+ app->processes.cpu_times[info->pid] = info->cpu_time = proctime.rtime;
+ info->nice = procuid.nice;
+
+ info->disk_write_bytes_current = (procio.disk_wbytes - info->disk_write_bytes_total)/update_interval_seconds;
+ info->disk_read_bytes_current = (procio.disk_rbytes - info->disk_read_bytes_total)/update_interval_seconds;
+
+ info->disk_write_bytes_total = procio.disk_wbytes;
+ info->disk_read_bytes_total = procio.disk_rbytes;
+
+ // set the ppid only if one can exist
+ // i.e. pid=0 can never have a parent
+ if (info->pid > 0) {
+ info->ppid = procuid.ppid;
+ }
+
+ g_assert(info->pid != info->ppid);
+ g_assert(info->ppid != -1 || info->pid == 0);
+
+ /* get cgroup data */
+ get_process_cgroup_info(*info);
+
+ procman::get_process_systemd_info(info);
+}
+
+ProcInfo::ProcInfo(pid_t pid)
+ : node(),
+ pixbuf(),
+ pid(pid),
+ ppid(-1),
+ uid(-1)
+{
+ ProcInfo * const info = this;
+ glibtop_proc_state procstate;
+ glibtop_proc_time proctime;
+ glibtop_proc_args procargs;
+ gchar** arguments;
+
+ glibtop_get_proc_state (&procstate, pid);
+ glibtop_get_proc_time (&proctime, pid);
+ arguments = glibtop_get_proc_argv (&procargs, pid, 0);
+
+ /* FIXME : wrong. name and arguments may change with exec* */
+ get_process_name (info, procstate.cmd, static_cast<const GStrv>(arguments));
+
+ std::string tooltip = make_string(g_strjoinv(" ", arguments));
+ if (tooltip.empty())
+ tooltip = procstate.cmd;
+
+ info->tooltip = make_string(g_markup_escape_text(tooltip.c_str(), -1));
+
+ info->arguments = make_string(g_strescape(tooltip.c_str(), "\\\""));
+ g_strfreev(arguments);
+
+ guint64 cpu_time = proctime.rtime;
+ auto app = GsmApplication::get();
+ auto it = app->processes.cpu_times.find(pid);
+ if (it != app->processes.cpu_times.end())
+ {
+ if (proctime.rtime >= it->second)
+ cpu_time = it->second;
+ }
+ info->cpu_time = cpu_time;
+ info->start_time = proctime.start_time;
+
+ get_process_selinux_context (info);
+ get_process_cgroup_info(*info);
+
+ get_process_systemd_info(info);
+}
+
+static void
+refresh_list (GsmApplication *app, const pid_t* pid_list, const guint n)
+{
+ typedef std::list<ProcInfo*> ProcList;
+ ProcList addition;
+
+ GtkTreeModel *model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (
+ gtk_tree_model_sort_get_model(GTK_TREE_MODEL_SORT (
+ gtk_tree_view_get_model (GTK_TREE_VIEW(app->tree))))));
+ guint i;
+
+ // Add or update processes in the process list
+ for(i = 0; i < n; ++i) {
+ ProcInfo *info = app->processes.find(pid_list[i]);
+
+ if (!info) {
+ info = app->processes.add(pid_list[i]);
+ addition.push_back(info);
+ }
+
+ update_info (app, info);
+ }
+
+
+ // Remove dead processes from the process list and from the
+ // tree. children are queued to be readded at the right place
+ // in the tree.
+
+ const std::set<pid_t> pids(pid_list, pid_list + n);
+
+ auto it = std::begin(app->processes);
+ while (it != std::end(app->processes)) {
+ auto& info = it->second;
+ if (pids.find(info.pid) == pids.end()) {
+ procman_debug("ripping %d", info.pid);
+ remove_info_from_tree(app, model, info, addition);
+ addition.remove(&info);
+ it = app->processes.erase(it);
+ } else {
+ ++it;
+ }
+ }
+
+ // INVARIANT
+ // pid_list == ProcInfo::all + addition
+
+
+ if (app->settings->get_boolean (GSM_SETTING_SHOW_DEPENDENCIES)) {
+
+ // insert process in the tree. walk through the addition list
+ // (new process + process that have a new parent). This loop
+ // handles the dependencies because we cannot insert a process
+ // until its parent is in the tree.
+
+ std::set<pid_t> in_tree(pids);
+
+ for (ProcList::iterator it(addition.begin()); it != addition.end(); ++it)
+ in_tree.erase((*it)->pid);
+
+
+ while (not addition.empty()) {
+ procman_debug("looking for %d parents", int(addition.size()));
+ ProcList::iterator it(addition.begin());
+
+ while (it != addition.end()) {
+ procman_debug("looking for %d's parent with ppid %d",
+ int((*it)->pid), int((*it)->ppid));
+
+
+ // inserts the process in the treeview if :
+ // - it has no parent (ppid = -1),
+ // ie it is for example the [kernel] on FreeBSD
+ // - it is init
+ // - its parent is already in tree
+ // - its parent is unreachable
+ //
+ // rounds == 2 means that addition contains processes with
+ // unreachable parents
+ //
+ // FIXME: this is broken if the unreachable parent becomes active
+ // i.e. it gets active or changes ower
+ // so we just clear the tree on __each__ update
+ // see proctable_update (ProcData * const procdata)
+
+
+ if ((*it)->ppid <= 0 or in_tree.find((*it)->ppid) != in_tree.end()) {
+ insert_info_to_tree(*it, app);
+ in_tree.insert((*it)->pid);
+ it = addition.erase(it);
+ continue;
+ }
+
+ ProcInfo *parent = app->processes.find((*it)->ppid);
+ // if the parent is unreachable
+ if (not parent) {
+ // or std::find(addition.begin(), addition.end(), parent) == addition.end()) {
+ insert_info_to_tree(*it, app, true);
+ in_tree.insert((*it)->pid);
+ it = addition.erase(it);
+ continue;
+ }
+
+ ++it;
+ }
+ }
+ }
+ else {
+ // don't care of the tree
+ for (auto& v : addition) insert_info_to_tree(v, app);
+ }
+
+
+ for (auto& v : app->processes) update_info_mutable_cols(&v.second);
+}
+
+void
+proctable_update (GsmApplication *app)
+{
+ pid_t* pid_list;
+ glibtop_proclist proclist;
+ glibtop_cpu cpu;
+ int which = 0;
+ int arg = 0;
+ auto whose_processes = app->settings->get_string(GSM_SETTING_SHOW_WHOSE_PROCESSES);
+ if (whose_processes == "all") {
+ which = GLIBTOP_KERN_PROC_ALL;
+ arg = 0;
+ } else if (whose_processes == "active") {
+ which = GLIBTOP_KERN_PROC_ALL | GLIBTOP_EXCLUDE_IDLE;
+ arg = 0;
+ } else if (whose_processes == "user") {
+ which = GLIBTOP_KERN_PROC_UID;
+ arg = getuid ();
+ }
+
+ pid_list = glibtop_get_proclist (&proclist, which, arg);
+
+ /* FIXME: total cpu time elapsed should be calculated on an individual basis here
+ ** should probably have a total_time_last gint in the ProcInfo structure */
+ glibtop_get_cpu (&cpu);
+ app->cpu_total_time = MAX(cpu.total - app->cpu_total_time_last, 1);
+ app->cpu_total_time_last = cpu.total;
+
+ // FIXME: not sure if glibtop always returns a sorted list of pid
+ // but it is important otherwise refresh_list won't find the parent
+ std::sort(pid_list, pid_list + proclist.number);
+ refresh_list (app, pid_list, proclist.number);
+
+ // juggling with tree scroll position to fix https://bugzilla.gnome.org/show_bug.cgi?id=92724
+ GtkTreePath* current_top;
+ if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(app->tree), 0,0, &current_top, NULL, NULL, NULL)) {
+ GtkAdjustment *vadjustment = GTK_ADJUSTMENT (gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (app->tree)));
+ gdouble current_max = gtk_adjustment_get_upper(vadjustment);
+ gdouble current_value = gtk_adjustment_get_value(vadjustment);
+
+ if (app->top_of_tree) {
+ // if the visible cell from the top of the tree is still the same, as last time
+ if (gtk_tree_path_compare (app->top_of_tree, current_top) == 0) {
+ //but something from the scroll parameters has changed compared to the last values
+ if (app->last_vscroll_value == 0 && current_value != 0) {
+ // the tree was scrolled to top, and something has been added above the current top row
+ gtk_tree_view_scroll_to_point(GTK_TREE_VIEW(app->tree), -1, 0);
+ } else if (current_max > app->last_vscroll_max && app->last_vscroll_max == app->last_vscroll_value) {
+ // the tree was scrolled to bottom, something has been added below the current bottom row
+ gtk_tree_view_scroll_to_point(GTK_TREE_VIEW(app->tree), -1, current_max);
+ }
+ }
+
+ gtk_tree_path_free(app->top_of_tree);
+ }
+
+ app->top_of_tree = current_top;
+ app->last_vscroll_value = current_value;
+ app->last_vscroll_max = current_max;
+ }
+
+ g_free (pid_list);
+
+ /* proclist.number == g_list_length(procdata->info) == g_hash_table_size(procdata->pids) */
+}
+
+void
+proctable_free_table (GsmApplication * const app)
+{
+ app->processes.clear();
+}
+
+void
+ProcInfo::set_icon(Glib::RefPtr<Gdk::Pixbuf> icon)
+{
+ this->pixbuf = icon;
+
+ GtkTreeModel *model;
+ model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (
+ gtk_tree_model_sort_get_model(GTK_TREE_MODEL_SORT(
+ gtk_tree_view_get_model (GTK_TREE_VIEW(GsmApplication::get()->tree))))));
+ gtk_tree_store_set(GTK_TREE_STORE(model), &this->node,
+ COL_PIXBUF, (this->pixbuf ? this->pixbuf->gobj() : NULL),
+ -1);
+}
+
+void
+proctable_freeze (GsmApplication *app)
+{
+ if (app->timeout) {
+ g_source_remove (app->timeout);
+ app->timeout = 0;
+ }
+}
+
+void
+proctable_thaw (GsmApplication *app)
+{
+ if (app->timeout)
+ return;
+
+ app->timeout = g_timeout_add (app->config.update_interval,
+ cb_timeout,
+ app);
+}
+
+void
+proctable_reset_timeout (GsmApplication *app)
+{
+ proctable_freeze (app);
+ proctable_thaw (app);
+}