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/sysinfo.cpp
download: mate-system-monitor-f45852ab2a7126f354079499fc8b03976c0eab27.tar.bz2
mate-system-monitor-f45852ab2a7126f354079499fc8b03976c0eab27.tar.xz
1 files changed, 676 insertions, 0 deletions
diff --git a/src/sysinfo.cpp b/src/sysinfo.cpp
new file mode 100644
index 0000000..9ddf31c
--- /dev/null
+++ b/src/sysinfo.cpp
@@ -0,0 +1,676 @@
+#include <config.h>
+
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <glibmm.h>
+#include <glib/gi18n.h>
+
+#include <libxml/parser.h>
+#include <libxml/xpath.h>
+#include <libxml/xpathInternals.h>
+
+#include <glibtop/fsusage.h>
+#include <glibtop/mountlist.h>
+#include <glibtop/mem.h>
+#include <glibtop/sysinfo.h>
+
+#include <unistd.h>
+#include <netdb.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <math.h>
+#include <errno.h>
+
+#include <string>
+#include <vector>
+#include <fstream>
+#include <sstream>
+#include <sys/utsname.h>
+
+#include "sysinfo.h"
+#include "procman.h"
+#include "util.h"
+
+
+using std::string;
+using std::vector;
+
+
+namespace {
+
+
+ class SysInfo
+ {
+ public:
+ string hostname;
+ string distro_name;
+ string distro_release;
+ string kernel;
+ string mate_version;
+ guint64 memory_bytes;
+ guint64 free_space_bytes;
+
+ guint n_processors;
+ vector<string> processors;
+
+
+ SysInfo()
+ {
+ this->load_processors_info();
+ this->load_memory_info();
+ this->load_disk_info();
+ this->load_uname_info();
+ this->load_mate_version();
+ }
+
+ virtual ~SysInfo()
+ { }
+
+ virtual void set_distro_labels(GtkWidget* name, GtkWidget* release)
+ {
+ g_object_set(G_OBJECT(name),
+ "label",
+ ("<big><big><b>" + this->distro_name + "</b></big></big>").c_str(),
+ NULL);
+
+
+ char* markup = g_strdup_printf(_("Release %s"), this->distro_release.c_str());
+
+ g_object_set(G_OBJECT(release),
+ "label",
+ markup,
+ NULL);
+
+ g_free(markup);
+ }
+
+ static string system()
+ {
+ return uname().sysname;
+ }
+
+ private:
+
+ void load_memory_info()
+ {
+ glibtop_mem mem;
+
+ glibtop_get_mem(&mem);
+ this->memory_bytes = mem.total;
+ }
+
+
+ void load_processors_info()
+ {
+ const glibtop_sysinfo *info = glibtop_get_sysinfo();
+
+ for (guint i = 0; i != info->ncpu; ++i) {
+ const char * const keys[] = { "model name", "cpu" };
+ gchar *model = 0;
+
+ for (guint j = 0; !model && j != G_N_ELEMENTS(keys); ++j)
+ model = static_cast<char*>(g_hash_table_lookup(info->cpuinfo[i].values,
+ keys[j]));
+
+ if (!model)
+ model = _("Unknown CPU model");
+
+ this->processors.push_back(model);
+ }
+ }
+
+
+
+ void load_disk_info()
+ {
+ glibtop_mountentry *entries;
+ glibtop_mountlist mountlist;
+
+ entries = glibtop_get_mountlist(&mountlist, 0);
+
+ this->free_space_bytes = 0;
+
+ for (guint i = 0; i != mountlist.number; ++i) {
+
+ if (string(entries[i].devname).find("/dev/") != 0)
+ continue;
+
+ if (string(entries[i].mountdir).find("/media/") == 0)
+ continue;
+
+ glibtop_fsusage usage;
+ glibtop_get_fsusage(&usage, entries[i].mountdir);
+ this->free_space_bytes += usage.bavail * usage.block_size;
+ }
+
+ g_free(entries);
+ }
+
+ static const struct utsname & uname()
+ {
+ static struct utsname name;
+
+ if (!name.sysname[0]) {
+ ::uname(&name);
+ }
+
+ return name;
+ }
+
+ void load_uname_info()
+ {
+ this->hostname = uname().nodename;
+ this->kernel = string(uname().sysname) + ' ' + uname().release;
+ }
+
+
+ void load_mate_version()
+ {
+ xmlDocPtr document;
+ xmlXPathContextPtr context;
+ const string nodes[3] = { "string(/mate-version/platform)",
+ "string(/mate-version/minor)",
+ "string(/mate-version/micro)" };
+ string values[3];
+
+ if (not (document = xmlParseFile(DATADIR "/mate-about/mate-version.xml")))
+ return;
+
+ if (not (context = xmlXPathNewContext(document)))
+ return;
+
+ for (size_t i = 0; i != 3; ++i)
+ {
+ xmlXPathObjectPtr xpath;
+ xpath = xmlXPathEvalExpression(BAD_CAST nodes[i].c_str(), context);
+ 
+ if (xpath and xpath->type == XPATH_STRING)
+ values[i] = reinterpret_cast<const char*>(xpath->stringval);
+
+ xmlXPathFreeObject(xpath);
+ }
+
+ xmlXPathFreeContext(context);
+ xmlFreeDoc(document);
+
+ this->mate_version = values[0] + '.' + values[1] + '.' + values[2];
+ }
+ };
+
+
+
+ class SolarisSysInfo
+ : public SysInfo
+ {
+ public:
+ SolarisSysInfo()
+ {
+ this->load_solaris_info();
+ }
+
+ private:
+ void load_solaris_info()
+ {
+ this->distro_name = "Solaris";
+
+ std::ifstream input("/etc/release");
+
+ if (input)
+ std::getline(input, this->distro_release);
+ }
+ };
+
+
+ class LSBSysInfo
+ : public SysInfo
+ {
+ public:
+ LSBSysInfo()
+ : re(Glib::Regex::create("^.+?:\\s*(.+)\\s*$"))
+ {
+ // start();
+ }
+
+ virtual void set_distro_labels(GtkWidget* name, GtkWidget* release)
+ {
+ this->name = name;
+ this->release = release;
+
+ this->start();
+ }
+
+
+ private:
+
+ sigc::connection child_watch;
+ int lsb_fd;
+ GtkWidget* name;
+ GtkWidget* release;
+
+ void strip_description(string &s) const
+ {
+ const GRegexMatchFlags flags = static_cast<GRegexMatchFlags>(0);
+ GMatchInfo* info = 0;
+
+ if (g_regex_match(this->re->gobj(), s.c_str(), flags, &info)) {
+ s = make_string(g_match_info_fetch(info, 1));
+ g_match_info_free(info);
+ }
+ }
+
+ std::istream& get_value(std::istream &is, string &s) const
+ {
+ if (std::getline(is, s))
+ this->strip_description(s);
+ return is;
+ }
+
+
+ void read_lsb(Glib::Pid pid, int status)
+ {
+ this->child_watch.disconnect();
+
+ if (!WIFEXITED(status) or WEXITSTATUS(status) != 0) {
+ g_error("Child %d failed with status %d", int(pid), status);
+ return;
+ }
+
+ Glib::RefPtr<Glib::IOChannel> channel = Glib::IOChannel::create_from_fd(this->lsb_fd);
+ Glib::ustring content;
+
+ while (channel->read_to_end(content) == Glib::IO_STATUS_AGAIN)
+ ;
+
+ channel->close();
+ Glib::spawn_close_pid(pid);
+
+ procman_debug("lsb_release output = '%s'", content.c_str());
+
+ string release, codename;
+ std::istringstream input(content);
+
+ this->get_value(input, this->distro_name)
+ and this->get_value(input, release)
+ and this->get_value(input, codename);
+
+ this->distro_release = release;
+ if (codename != "" && codename != "n/a")
+ this->distro_release += " (" + codename + ')';
+
+ this->SysInfo::set_distro_labels(this->name, this->release);
+ }
+
+
+ void start()
+ {
+ std::vector<string> argv(2);
+ argv[0] = "lsb_release";
+ argv[1] = "-irc";
+
+ Glib::SpawnFlags flags = Glib::SPAWN_DO_NOT_REAP_CHILD
+ | Glib::SPAWN_SEARCH_PATH
+ | Glib::SPAWN_STDERR_TO_DEV_NULL;
+
+ Glib::Pid child;
+
+ try {
+ Glib::spawn_async_with_pipes("/", // wd
+ argv,
+ flags,
+ sigc::slot<void>(), // child setup
+ &child,
+ 0, // stdin
+ &this->lsb_fd); // stdout
+ } catch (Glib::SpawnError &e) {
+ g_error("g_spawn_async_with_pipes error: %s", e.what().c_str());
+ return;
+ }
+
+ sigc::slot<void,GPid, int> slot = sigc::mem_fun(this, &LSBSysInfo::read_lsb);
+ this->child_watch = Glib::signal_child_watch().connect(slot, child);
+ }
+
+
+ void sync_lsb_release()
+ {
+ char *out= 0;
+ GError *error = 0;
+ int status;
+
+ if (g_spawn_command_line_sync("lsb_release -irc",
+ &out,
+ 0,
+ &status,
+ &error)) {
+ string release, codename;
+ if (!error and WIFEXITED(status) and WEXITSTATUS(status) == 0) {
+ std::istringstream input(out);
+ this->get_value(input, this->distro_name)
+ and this->get_value(input, release)
+ and this->get_value(input, codename);
+ this->distro_release = release;
+ if (codename != "" && codename != "n/a")
+ this->distro_release += " (" + codename + ')';
+ }
+ }
+
+ if (error)
+ g_error_free(error);
+
+ g_free(out);
+ }
+
+ private:
+ Glib::RefPtr<Glib::Regex> re;
+ };
+
+
+ class NetBSDSysInfo
+ : public SysInfo
+ {
+ public:
+ NetBSDSysInfo()
+ {
+ this->load_netbsd_info();
+ }
+
+ private:
+ void load_netbsd_info()
+ {
+ this->distro_name = "NetBSD";
+
+ std::ifstream input("/etc/release");
+
+ if (input)
+ std::getline(input, this->distro_release);
+ }
+ };
+
+
+ SysInfo* get_sysinfo()
+ {
+ if (char *p = g_find_program_in_path("lsb_release")) {
+ g_free(p);
+ return new LSBSysInfo;
+ }
+ else if (SysInfo::system() == "SunOS") {
+ return new SolarisSysInfo;
+ }
+ else if (SysInfo::system() == "NetBSD") {
+ return new NetBSDSysInfo;
+ }
+
+ return new SysInfo;
+ }
+}
+
+
+#define X_PAD 5
+#define Y_PAD 12
+#define LOGO_W 92
+#define LOGO_H 351
+#define RADIUS 5
+
+static gboolean
+sysinfo_logo_expose (GtkWidget *widget,
+ GdkEventExpose *event,
+ gpointer data_ptr)
+{
+ GtkAllocation allocation;
+ GtkStyle *style;
+ cairo_t *cr;
+ cairo_pattern_t *cp;
+
+ cr = gdk_cairo_create(gtk_widget_get_window(widget));
+
+ gtk_widget_get_allocation (widget, &allocation);
+ cairo_translate(cr, allocation.x, allocation.y);
+
+ cairo_move_to(cr, X_PAD + RADIUS, Y_PAD);
+ cairo_line_to(cr, X_PAD + LOGO_W - RADIUS, Y_PAD);
+ cairo_arc(cr, X_PAD + LOGO_W - RADIUS, Y_PAD + RADIUS, RADIUS, -0.5 * M_PI, 0);
+ cairo_line_to(cr, X_PAD + LOGO_W, Y_PAD + LOGO_H - RADIUS);
+ cairo_arc(cr, X_PAD + LOGO_W - RADIUS, Y_PAD + LOGO_H - RADIUS, RADIUS, 0, 0.5 * M_PI);
+ cairo_line_to(cr, X_PAD + RADIUS, Y_PAD + LOGO_H);
+ cairo_arc(cr, X_PAD + RADIUS, Y_PAD + LOGO_H - RADIUS, RADIUS, 0.5 * M_PI, -1.0 * M_PI);
+ cairo_line_to(cr, X_PAD, Y_PAD + RADIUS);
+ cairo_arc(cr, X_PAD + RADIUS, Y_PAD + RADIUS, RADIUS, -1.0 * M_PI, -0.5 * M_PI);
+
+ cp = cairo_pattern_create_linear(0, Y_PAD, 0, Y_PAD + LOGO_H);
+ style = gtk_widget_get_style (widget);
+ cairo_pattern_add_color_stop_rgba(cp, 0.0,
+ style->base[GTK_STATE_SELECTED].red / 65535.0,
+ style->base[GTK_STATE_SELECTED].green / 65535.0,
+ style->base[GTK_STATE_SELECTED].blue / 65535.0,
+ 1.0);
+ cairo_pattern_add_color_stop_rgba(cp, 1.0,
+ style->base[GTK_STATE_SELECTED].red / 65535.0,
+ style->base[GTK_STATE_SELECTED].green / 65535.0,
+ style->base[GTK_STATE_SELECTED].blue / 65535.0,
+ 0.0);
+ cairo_set_source(cr, cp);
+ cairo_fill(cr);
+
+ cairo_pattern_destroy(cp);
+ cairo_destroy(cr);
+
+ return FALSE;
+}
+
+static GtkWidget*
+add_section(GtkBox *vbox , const char * title, int num_row, int num_col, GtkWidget **out_frame)
+{
+ GtkWidget *table;
+
+ GtkWidget *frame = gtk_frame_new(title);
+ gtk_frame_set_label_align(GTK_FRAME(frame), 0.0, 0.5);
+ gtk_label_set_use_markup(
+ GTK_LABEL(gtk_frame_get_label_widget(GTK_FRAME(frame))),
+ TRUE
+ );
+ gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_NONE);
+ gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 0);
+
+ GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0);
+ gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), 0, 0, 12, 0);
+ gtk_container_add(GTK_CONTAINER(frame), alignment);
+
+ table = gtk_table_new(num_row, num_col, FALSE);
+ gtk_table_set_row_spacings(GTK_TABLE(table), 6);
+ gtk_table_set_col_spacings(GTK_TABLE(table), 6);
+ gtk_container_set_border_width(GTK_CONTAINER(table), 6);
+ gtk_container_add(GTK_CONTAINER(alignment), table);
+
+ if(out_frame)
+ *out_frame = frame;
+
+ return table;
+}
+
+
+static GtkWidget* 
+add_row(GtkTable * table, const char * label, const char * value, int row)
+{
+ GtkWidget *header = gtk_label_new(label);
+ gtk_misc_set_alignment(GTK_MISC(header), 0.0, 0.5);
+ gtk_table_attach(
+ table, header,
+ 0, 1, row, row + 1,
+ GTK_FILL, GTK_FILL, 0, 0
+ );
+
+ GtkWidget *label_widget = gtk_label_new(value);
+ gtk_misc_set_alignment(GTK_MISC(label_widget), 0.0, 0.5);
+ gtk_table_attach(
+ table, label_widget,
+ 1, 2, row, row + 1,
+ GTK_FILL, GTK_FILL, 0, 0
+ );
+ return label_widget;
+}
+
+
+static GtkWidget *
+procman_create_sysinfo_view(void)
+{
+ GtkWidget *hbox;
+ GtkWidget *vbox;
+
+ SysInfo *data = get_sysinfo();;
+
+ GtkWidget * logo;
+
+ GtkWidget *distro_frame;
+ GtkWidget *distro_release_label;
+ GtkWidget *distro_table;
+
+ GtkWidget *hardware_table;
+ GtkWidget *memory_label;
+ GtkWidget *processor_label;
+
+ GtkWidget *disk_space_table;
+ GtkWidget *disk_space_label;
+
+ GtkWidget *header;
+
+ gchar *markup;
+
+
+ hbox = gtk_hbox_new(FALSE, 12);
+ gtk_container_set_border_width(GTK_CONTAINER(hbox), 6);
+
+ /* left-side logo */
+
+ logo = gtk_image_new_from_file(DATADIR "/pixmaps/mate-system-monitor/side.png");
+ gtk_misc_set_alignment(GTK_MISC(logo), 0.5, 0.0);
+ gtk_misc_set_padding(GTK_MISC(logo), 5, 12);
+ gtk_box_pack_start(GTK_BOX(hbox), logo, FALSE, FALSE, 0);
+
+ g_signal_connect(G_OBJECT(logo), "expose-event",
+ G_CALLBACK(sysinfo_logo_expose), NULL);
+
+ vbox = gtk_vbox_new(FALSE, 12);
+ gtk_container_set_border_width(GTK_CONTAINER(vbox), 12);
+ gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
+
+ // hostname
+
+ markup = g_strdup_printf("<big><big><b><u>%s</u></b></big></big>",
+ data->hostname.c_str());
+ GtkWidget *hostname_frame = gtk_frame_new(markup);
+ g_free(markup);
+ gtk_frame_set_label_align(GTK_FRAME(hostname_frame), 0.0, 0.5);
+ gtk_label_set_use_markup(
+ GTK_LABEL(gtk_frame_get_label_widget(GTK_FRAME(hostname_frame))),
+ TRUE
+ );
+ gtk_frame_set_shadow_type(GTK_FRAME(hostname_frame), GTK_SHADOW_NONE);
+ gtk_box_pack_start(GTK_BOX(vbox), hostname_frame, FALSE, FALSE, 0);
+
+
+ /* distro section */
+
+ unsigned table_size = 2;
+ if (data->mate_version != "")
+ table_size++;
+ distro_table = add_section(GTK_BOX(vbox), "???", table_size, 1, &distro_frame);
+
+ unsigned table_count = 0;
+
+ distro_release_label = gtk_label_new("???");
+ gtk_misc_set_alignment(GTK_MISC(distro_release_label), 0.0, 0.5);
+ gtk_table_attach(
+ GTK_TABLE(distro_table), distro_release_label,
+ 0, 1, table_count, table_count+1,
+ GTK_FILL, GTK_FILL, 0, 0
+ );
+ table_count++;
+ data->set_distro_labels(gtk_frame_get_label_widget(GTK_FRAME(distro_frame)), distro_release_label);
+
+ markup = g_strdup_printf(_("Kernel %s"), data->kernel.c_str());
+ header = gtk_label_new(markup);
+ g_free(markup);
+ gtk_misc_set_alignment(GTK_MISC(header), 0.0, 0.5);
+ gtk_table_attach(
+ GTK_TABLE(distro_table), header,
+ 0, 1, table_count, table_count + 1,
+ GTK_FILL, GTK_FILL, 0, 0
+ );
+ table_count++;
+
+ if (data->mate_version != "")
+ {
+ markup = g_strdup_printf(_("MATE %s"), data->mate_version.c_str());
+ header = gtk_label_new(markup);
+ g_free(markup);
+ gtk_misc_set_alignment(GTK_MISC(header), 0.0, 0.5);
+ gtk_table_attach(
+ GTK_TABLE(distro_table), header,
+ 0, 1, table_count, table_count + 1,
+ GTK_FILL, GTK_FILL, 0, 0
+ );
+ table_count++;
+ }
+
+ /* hardware section */
+
+ markup = g_strdup_printf(_("<b>Hardware</b>"));
+ hardware_table = add_section(GTK_BOX(vbox), markup, data->processors.size(), 2, NULL);
+ g_free(markup);
+
+ markup = procman::format_size(data->memory_bytes);
+ memory_label = add_row(GTK_TABLE(hardware_table), _("Memory:"),
+ markup, 0);
+ g_free(markup);
+
+ for (guint i = 0; i < data->processors.size(); ++i) {
+ const gchar * t;
+ if (data->processors.size() > 1) {
+ markup = g_strdup_printf(_("Processor %d:"), i);
+ t = markup;
+ }
+ else {
+ markup = NULL;
+ t = _("Processor:");
+ }
+
+ processor_label = add_row(GTK_TABLE(hardware_table), t,
+ data->processors[i].c_str(), 1 + i);
+
+ if(markup)
+ g_free(markup);
+ }
+
+ /* disk space section */
+
+ markup = g_strdup_printf(_("<b>System Status</b>"));
+ disk_space_table = add_section(GTK_BOX(vbox), markup, 1, 2, NULL);
+ g_free(markup);
+
+ markup = procman::format_size(data->free_space_bytes);
+ disk_space_label = add_row(GTK_TABLE(disk_space_table), 
+ _("Available disk space:"), markup,
+ 0);
+ g_free(markup);
+
+ return hbox;
+}
+
+
+
+namespace procman
+{
+ void build_sysinfo_ui()
+ {
+ static GtkWidget* ui;
+
+ if (!ui) {
+ ProcData* procdata = ProcData::get_instance();
+ ui = procman_create_sysinfo_view();
+ GtkBox* box = GTK_BOX(gtk_notebook_get_nth_page(GTK_NOTEBOOK(procdata->notebook),
+ PROCMAN_TAB_SYSINFO));
+ gtk_box_pack_start(box, ui, TRUE, TRUE, 0);
+ gtk_widget_show_all(ui);
+ }
+ }
+}
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/sysinfo.cpp
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