initial

author: Perberos <[email protected]> 2011-11-08 16:22:08 -0300
committer: Perberos <[email protected]> 2011-11-08 16:22:08 -0300
commit: f45852ab2a7126f354079499fc8b03976c0eab27 (patch)
tree: 885c32d804d3c970c5da41a5527882e8a956b42d /src/proctable.cpp
download: mate-system-monitor-f45852ab2a7126f354079499fc8b03976c0eab27.tar.bz2
mate-system-monitor-f45852ab2a7126f354079499fc8b03976c0eab27.tar.xz
1 files changed, 964 insertions, 0 deletions
diff --git a/src/proctable.cpp b/src/proctable.cpp
new file mode 100644
index 0000000..7f192b2
--- /dev/null
+++ b/src/proctable.cpp
@@ -0,0 +1,964 @@
+/* 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+
+#include <config.h>
+
+
+#include <string.h>
+#include <math.h>
+#include <glib/gi18n.h>
+#include <glib/gprintf.h>
+#include <glibtop.h>
+#include <glibtop/loadavg.h>
+#include <glibtop/proclist.h>
+#include <glibtop/procstate.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>
+
+#include "procman.h"
+#include "selection.h"
+#include "proctable.h"
+#include "callbacks.h"
+#include "prettytable.h"
+#include "util.h"
+#include "interface.h"
+#include "selinux.h"
+
+
+ProcInfo::UserMap ProcInfo::users;
+ProcInfo::List ProcInfo::all;
+std::map<pid_t, guint64> ProcInfo::cpu_times;
+
+
+ProcInfo* ProcInfo::find(pid_t pid)
+{
+ Iterator it(ProcInfo::all.find(pid));
+ return (it == ProcInfo::all.end() ? NULL : it->second);
+}
+
+
+
+
+static void
+set_proctree_reorderable(ProcData *procdata)
+{
+ GList *columns, *col;
+ GtkTreeView *proctree;
+
+ proctree = GTK_TREE_VIEW(procdata->tree);
+
+ columns = gtk_tree_view_get_columns (proctree);
+
+ for(col = columns; col; col = col->next)
+ gtk_tree_view_column_set_reorderable(static_cast<GtkTreeViewColumn*>(col->data), TRUE);
+
+ g_list_free(columns);
+}
+
+
+static void
+cb_columns_changed(GtkTreeView *treeview, gpointer user_data)
+{
+ ProcData * const procdata = static_cast<ProcData*>(user_data);
+
+ procman_save_tree_state(procdata->client,
+ GTK_WIDGET(treeview),
+ "/apps/procman/proctree");
+}
+
+
+static GtkTreeViewColumn*
+my_gtk_tree_view_get_column_with_sort_column_id(GtkTreeView *treeview, int id)
+{
+ GList *columns, *it;
+ GtkTreeViewColumn *col = NULL;
+
+ columns = gtk_tree_view_get_columns(treeview);
+
+ for(it = columns; it; it = it->next)
+ {
+ if(gtk_tree_view_column_get_sort_column_id(static_cast<GtkTreeViewColumn*>(it->data)) == id)
+ {
+ col = static_cast<GtkTreeViewColumn*>(it->data);
+ break;
+ }
+ }
+
+ g_list_free(columns);
+
+ return col;
+}
+
+
+void
+proctable_set_columns_order(GtkTreeView *treeview, GSList *order)
+{
+ GtkTreeViewColumn* last = NULL;
+ GSList *it;
+
+ for(it = order; it; it = it->next)
+ {
+ int id;
+ GtkTreeViewColumn *cur;
+
+ id = GPOINTER_TO_INT(it->data);
+
+ g_assert(id >= 0 && id < NUM_COLUMNS);
+
+ cur = my_gtk_tree_view_get_column_with_sort_column_id(treeview, id);
+
+ if(cur && cur != last)
+ {
+ gtk_tree_view_move_column_after(treeview, cur, last);
+ last = cur;
+ }
+ }
+}
+
+
+
+GSList*
+proctable_get_columns_order(GtkTreeView *treeview)
+{
+ GList *columns, *col;
+ GSList *order = NULL;
+
+ columns = gtk_tree_view_get_columns(treeview);
+
+ for(col = columns; col; col = col->next)
+ {
+ int id;
+
+ id = gtk_tree_view_column_get_sort_column_id(static_cast<GtkTreeViewColumn*>(col->data));
+ order = g_slist_prepend(order, GINT_TO_POINTER(id));
+ }
+
+ g_list_free(columns);
+
+ order = g_slist_reverse(order);
+
+ return order;
+}
+
+
+static gboolean
+search_equal_func(GtkTreeModel *model,
+ gint column,
+ const gchar *key,
+ GtkTreeIter *iter,
+ gpointer search_data)
+{
+ char* name;
+ char* user;
+ gboolean found;
+
+ gtk_tree_model_get(model, iter,
+ COL_NAME, &name,
+ COL_USER, &user,
+ -1);
+
+ found = !((name && strstr(name, key))
+ || (user && strstr(user, key)));
+
+ g_free(name);
+ g_free(user);
+
+ return found;
+}
+
+
+
+GtkWidget *
+proctable_new (ProcData * const procdata)
+{
+ GtkWidget *proctree;
+ GtkWidget *scrolled;
+ GtkTreeStore *model;
+ 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: wchan, see ps(1) or top(1) */
+ N_("Waiting Channel"),
+ NULL,
+ "POINTER"
+ };
+
+ gint i;
+
+ scrolled = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
+
+ 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_UINT, /* % 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 */
+ GDK_TYPE_PIXBUF, /* Icon */
+ G_TYPE_POINTER, /* ProcInfo */
+ G_TYPE_STRING /* Sexy tooltip */
+ );
+
+ proctree = gtk_tree_view_new_with_model (GTK_TREE_MODEL (model));
+ gtk_tree_view_set_tooltip_column (GTK_TREE_VIEW (proctree), COL_TOOLTIP);
+ g_object_set(G_OBJECT(proctree),
+ "show-expanders", procdata->config.show_tree,
+ NULL);
+ gtk_tree_view_set_search_equal_func (GTK_TREE_VIEW (proctree),
+ search_equal_func,
+ NULL,
+ NULL);
+ gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (proctree), TRUE);
+ g_object_unref (G_OBJECT (model));
+
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (proctree));
+ gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
+
+ 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_append_column (GTK_TREE_VIEW (proctree), column);
+ gtk_tree_view_set_expander_column (GTK_TREE_VIEW (proctree), column);
+
+
+ for (i = COL_USER; i <= COL_WCHAN; i++) {
+
+ GtkCellRenderer *cell;
+ GtkTreeViewColumn *col;
+
+ 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);
+ gtk_tree_view_append_column(GTK_TREE_VIEW(proctree), col);
+
+ // type
+ switch (i) {
+ case COL_MEMXSERVER:
+ gtk_tree_view_column_set_cell_data_func(col, cell,
+ &procman::size_cell_data_func,
+ GUINT_TO_POINTER(i),
+ NULL);
+ break;
+
+ case COL_VMSIZE:
+ case COL_MEMRES:
+ case COL_MEMSHARED:
+ case COL_MEM:
+ case COL_MEMWRITABLE:
+ 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_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;
+
+ default:
+ gtk_tree_view_column_set_attributes(col, cell, "text", i, NULL);
+ break;
+ }
+
+ // xaling
+ switch(i)
+ {
+ case COL_VMSIZE:
+ case COL_MEMRES:
+ case COL_MEMWRITABLE:
+ case COL_MEMSHARED:
+ case COL_MEMXSERVER:
+ case COL_CPU:
+ case COL_NICE:
+ case COL_PID:
+ case COL_CPU_TIME:
+ case COL_MEM:
+ g_object_set(G_OBJECT(cell), "xalign", 1.0f, NULL);
+ break;
+ }
+
+ // sizing
+ switch (i) {
+ case COL_ARGS:
+ gtk_tree_view_column_set_sizing(col, GTK_TREE_VIEW_COLUMN_FIXED);
+ gtk_tree_view_column_set_min_width(col, 150);
+ break;
+ default:
+ gtk_tree_view_column_set_min_width(column, 20);
+ break;
+ }
+ }
+
+ gtk_container_add (GTK_CONTAINER (scrolled), proctree);
+
+ procdata->tree = proctree;
+
+ set_proctree_reorderable(procdata);
+
+ procman_get_tree_state (procdata->client, proctree, "/apps/procman/proctree");
+
+ /* Override column settings by hiding this column if it's meaningless: */
+ if (!can_show_security_context_column ()) {
+ GtkTreeViewColumn *column;
+ column = gtk_tree_view_get_column (GTK_TREE_VIEW (proctree), COL_SECURITYCONTEXT);
+ gtk_tree_view_column_set_visible (column, FALSE);
+ }
+
+ g_signal_connect (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (proctree))),
+ "changed",
+ G_CALLBACK (cb_row_selected), procdata);
+ g_signal_connect (G_OBJECT (proctree), "popup_menu",
+ G_CALLBACK (cb_tree_popup_menu), procdata);
+ g_signal_connect (G_OBJECT (proctree), "button_press_event",
+ G_CALLBACK (cb_tree_button_pressed), procdata);
+
+ g_signal_connect (G_OBJECT(proctree), "columns-changed",
+ G_CALLBACK(cb_columns_changed), procdata);
+
+ return scrolled;
+}
+
+
+ProcInfo::~ProcInfo()
+{
+ g_free(this->name);
+ g_free(this->tooltip);
+ g_free(this->arguments);
+ g_free(this->security_context);
+}
+
+
+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 = basename;
+ return;
+ }
+
+ g_free(basename);
+ }
+ }
+
+ info->name = g_strdup (cmd);
+}
+
+
+
+void
+ProcInfo::set_user(guint uid)
+{
+ if (G_LIKELY(this->uid == uid))
+ return;
+
+ this->uid = uid;
+
+ typedef std::pair<ProcInfo::UserMap::iterator, bool> Pair;
+ ProcInfo::UserMap::value_type hint(uid, "");
+ Pair p(ProcInfo::users.insert(hint));
+
+ // 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;
+ }
+ }
+
+ this->user = p.first->second;
+}
+
+
+
+static void get_process_memory_writable(ProcInfo *info)
+{
+ glibtop_proc_map buf;
+ glibtop_map_entry *maps;
+
+ maps = glibtop_get_proc_map(&buf, info->pid);
+
+ gulong memwritable = 0;
+ const unsigned number = buf.number;
+
+ for (unsigned i = 0; i < number; ++i) {
+#ifdef __linux__
+ memwritable += maps[i].private_dirty;
+#else
+ if (maps[i].perm & GLIBTOP_MAP_PERM_WRITE)
+ memwritable += maps[i].size;
+#endif
+ }
+
+ info->memwritable = memwritable;
+
+ g_free(maps);
+}
+
+
+static void
+get_process_memory_info(ProcInfo *info)
+{
+ glibtop_proc_mem procmem;
+ WnckResourceUsage xresources;
+
+ wnck_pid_read_resource_usage (gdk_screen_get_display (gdk_screen_get_default ()),
+ info->pid,
+ &xresources);
+
+ glibtop_get_proc_mem(&procmem, info->pid);
+
+ info->vmsize = procmem.vsize;
+ info->memres = procmem.resident;
+ info->memshared = procmem.share;
+
+ info->memxserver = xresources.total_bytes_estimate;
+
+ get_process_memory_writable(info);
+
+ // fake the smart memory column if writable is not available
+ info->mem = info->memxserver + (info->memwritable ? info->memwritable : info->memres);
+}
+
+
+
+static void
+update_info_mutable_cols(ProcInfo *info)
+{
+ ProcData * const procdata = ProcData::get_instance();
+ GtkTreeModel *model;
+ model = gtk_tree_view_get_model(GTK_TREE_VIEW(procdata->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_MEMWRITABLE, info->memwritable);
+ tree_store_update(model, &info->node, COL_MEMSHARED, info->memshared);
+ tree_store_update(model, &info->node, COL_MEMXSERVER, info->memxserver);
+ 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_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);
+}
+
+
+
+static void
+insert_info_to_tree (ProcInfo *info, ProcData *procdata, bool forced = false)
+{
+ GtkTreeModel *model;
+
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (procdata->tree));
+
+ if (procdata->config.show_tree) {
+
+ ProcInfo *parent = 0;
+
+ if (not forced)
+ parent = ProcInfo::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);
+
+ if (!gtk_tree_view_row_expanded(GTK_TREE_VIEW(procdata->tree), parent_node))
+ gtk_tree_view_expand_row(GTK_TREE_VIEW(procdata->tree), parent_node, FALSE);
+ 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,
+ COL_ARGS, info->arguments,
+ COL_TOOLTIP, info->tooltip,
+ COL_PID, info->pid,
+ COL_SECURITYCONTEXT, info->security_context,
+ -1);
+
+ procdata->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 (ProcData *procdata, 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(procdata, model, child, orphans, lvl + 1);
+ }
+
+ g_assert(not gtk_tree_model_iter_has_child(model, &current->node));
+
+ if (procdata->selected_process == current)
+ procdata->selected_process = NULL;
+
+ orphans.push_back(current);
+ gtk_tree_store_remove(GTK_TREE_STORE(model), &current->node);
+ procman::poison(current->node, 0x69);
+}
+
+
+
+static void
+update_info (ProcData *procdata, ProcInfo *info)
+{
+ glibtop_proc_state procstate;
+ glibtop_proc_uid procuid;
+ glibtop_proc_time proctime;
+ glibtop_proc_kernel prockernel;
+
+ glibtop_get_proc_kernel(&prockernel, info->pid);
+ g_strlcpy(info->wchan, prockernel.wchan, sizeof info->wchan);
+
+ 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);
+
+ get_process_memory_info(info);
+
+ info->set_user(procstate.uid);
+
+ info->pcpu = (proctime.rtime - info->cpu_time) * 100 / procdata->cpu_total_time;
+ info->pcpu = MIN(info->pcpu, 100);
+
+ if (not procdata->config.solaris_mode)
+ info->pcpu *= procdata->config.num_cpus;
+
+ ProcInfo::cpu_times[info->pid] = info->cpu_time = proctime.rtime;
+ info->nice = procuid.nice;
+ info->ppid = procuid.ppid;
+}
+
+
+ProcInfo::ProcInfo(pid_t pid)
+ : tooltip(NULL),
+ name(NULL),
+ arguments(NULL),
+ security_context(NULL),
+ pid(pid),
+ 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 = g_markup_escape_text(tooltip.c_str(), -1);
+
+ info->arguments = g_strescape(tooltip.c_str(), "\\\"");
+ g_strfreev(arguments);
+
+ guint64 cpu_time = proctime.rtime;
+ std::map<pid_t, guint64>::iterator it(ProcInfo::cpu_times.find(pid));
+ if (it != ProcInfo::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);
+}
+
+
+
+
+static void
+refresh_list (ProcData *procdata, const pid_t* pid_list, const guint n)
+{
+ typedef std::list<ProcInfo*> ProcList;
+ ProcList addition;
+
+ GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (procdata->tree));
+ guint i;
+
+ // Add or update processes in the process list
+ for(i = 0; i < n; ++i) {
+ ProcInfo *info = ProcInfo::find(pid_list[i]);
+
+ if (!info) {
+ info = new ProcInfo(pid_list[i]);
+ ProcInfo::all[info->pid] = info;
+ addition.push_back(info);
+ }
+
+ update_info (procdata, 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);
+
+ ProcInfo::Iterator it(ProcInfo::begin());
+
+ while (it != ProcInfo::end()) {
+ ProcInfo * const info = it->second;
+ ProcInfo::Iterator next(it);
+ ++next;
+
+ if (pids.find(info->pid) == pids.end()) {
+ procman_debug("ripping %d", info->pid);
+ remove_info_from_tree(procdata, model, info, addition);
+ addition.remove(info);
+ ProcInfo::all.erase(it);
+ delete info;
+ }
+
+ it = next;
+ }
+
+ // INVARIANT
+ // pid_list == ProcInfo::all + addition
+
+
+ if (procdata->config.show_tree) {
+
+ // 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 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_list (ProcData * const procdata)
+
+
+ if ((*it)->ppid == 0 or in_tree.find((*it)->ppid) != in_tree.end()) {
+ insert_info_to_tree(*it, procdata);
+ in_tree.insert((*it)->pid);
+ it = addition.erase(it);
+ continue;
+ }
+
+ ProcInfo *parent = ProcInfo::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, procdata, true);
+ in_tree.insert((*it)->pid);
+ it = addition.erase(it);
+ continue;
+ }
+
+ ++it;
+ }
+ }
+ }
+ else { 
+ // don't care of the tree
+ for (ProcList::iterator it(addition.begin()); it != addition.end(); ++it)
+ insert_info_to_tree(*it, procdata);
+ }
+
+
+ for (ProcInfo::Iterator it(ProcInfo::begin()); it != ProcInfo::end(); ++it)
+ update_info_mutable_cols(it->second);
+}
+
+
+void
+proctable_update_list (ProcData * const procdata)
+{
+ pid_t* pid_list;
+ glibtop_proclist proclist;
+ glibtop_cpu cpu;
+ gint which, arg;
+ procman::SelectionMemento selection;
+
+ switch (procdata->config.whose_process) {
+ case ALL_PROCESSES:
+ which = GLIBTOP_KERN_PROC_ALL;
+ arg = 0;
+ break;
+
+ case ACTIVE_PROCESSES:
+ which = GLIBTOP_KERN_PROC_ALL | GLIBTOP_EXCLUDE_IDLE;
+ arg = 0;
+ if (procdata->config.show_tree)
+ {
+ selection.save(procdata->tree);
+ proctable_clear_tree(procdata);
+ }
+ break;
+
+ default:
+ which = GLIBTOP_KERN_PROC_UID;
+ arg = getuid ();
+ if (procdata->config.show_tree)
+ {
+ selection.save(procdata->tree);
+ proctable_clear_tree(procdata);
+ }
+ break;
+ }
+
+ 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);
+ procdata->cpu_total_time = MAX(cpu.total - procdata->cpu_total_time_last, 1);
+ procdata->cpu_total_time_last = cpu.total;
+
+ refresh_list (procdata, pid_list, proclist.number);
+
+ selection.restore(procdata->tree);
+
+ g_free (pid_list);
+
+ /* proclist.number == g_list_length(procdata->info) == g_hash_table_size(procdata->pids) */
+}
+
+
+void
+proctable_update_all (ProcData * const procdata)
+{
+ char* string;
+
+ string = make_loadavg_string();
+ gtk_label_set_text (GTK_LABEL(procdata->loadavg), string);
+ g_free (string);
+
+ proctable_update_list (procdata);
+}
+
+
+void
+proctable_clear_tree (ProcData * const procdata)
+{
+ GtkTreeModel *model;
+
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (procdata->tree));
+
+ gtk_tree_store_clear (GTK_TREE_STORE (model));
+
+ proctable_free_table (procdata);
+
+ update_sensitivity(procdata);
+}
+
+
+void
+proctable_free_table (ProcData * const procdata)
+{
+ for (ProcInfo::Iterator it(ProcInfo::begin()); it != ProcInfo::end(); ++it)
+ delete it->second;
+
+ ProcInfo::all.clear();
+}
+
+
+
+char*
+make_loadavg_string(void)
+{
+ glibtop_loadavg buf;
+
+ glibtop_get_loadavg(&buf);
+
+ return g_strdup_printf(
+ _("Load averages for the last 1, 5, 15 minutes: "
+ "%0.2f, %0.2f, %0.2f"),
+ buf.loadavg[0],
+ buf.loadavg[1],
+ buf.loadavg[2]);
+}
+
+
+
+void
+ProcInfo::set_icon(Glib::RefPtr<Gdk::Pixbuf> icon)
+{
+ this->pixbuf = icon;
+
+ GtkTreeModel *model;
+ model = gtk_tree_view_get_model(GTK_TREE_VIEW(ProcData::get_instance()->tree));
+ gtk_tree_store_set(GTK_TREE_STORE(model), &this->node,
+ COL_PIXBUF, (this->pixbuf ? this->pixbuf->gobj() : NULL),
+ -1);
+}
author	Perberos <[email protected]>	2011-11-08 16:22:08 -0300
committer	Perberos <[email protected]>	2011-11-08 16:22:08 -0300
commit	f45852ab2a7126f354079499fc8b03976c0eab27 (patch)
tree	885c32d804d3c970c5da41a5527882e8a956b42d /src/proctable.cpp
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