net.c

系统任务管理器

/* GKrellM
|  Copyright (C) 1999-2006 Bill Wilson
|
|  Author:  Bill Wilson    [e-mail]
|  Latest versions might be found at:  http://gkrellm.net
|
|  This program is free software which I release under the GNU General Public
|  License. You may redistribute and/or modify this program under the terms
|  of that 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.  Version 2 is in the
|  COPYRIGHT file in the top level directory of this distribution.
| 
|  To get a copy of the GNU General Puplic License, write to the Free Software
|  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "gkrellm.h"
#include "gkrellm-sysdeps.h"
#include "gkrellm-private.h"


#define	PPP_LOCK_FILE	"LCK..modem"

#define TIMER_TYPE_NONE		0
#define TIMER_TYPE_PPP		1
#define TIMER_TYPE_IPPP		2
#define TIMER_TYPE_SERVER	3


#define		N_DAY_STATS		31
#define		N_WEEK_STATS	26
#define		N_MONTH_STATS	12

typedef struct
	{
	gchar		*date;
	gdouble		rx,
				tx;
	gint		connect_time;
	}
	NetStat;

enum StatType
	{
	DAY_STAT,
	WEEK_STAT,
	MONTH_STAT
	};


typedef struct
	{
	gchar			*name;
	GtkWidget		*vbox,
					*parent_vbox;
	GtkWidget		*enable_button,
					*force_button,
					*alert_button,
					*label_entry;
	GkrellmChart	*chart;
	GkrellmChartdata *rx_cd,
					*tx_cd;
	GkrellmDecal	*rxled,
					*txled;

	/* All known net interfaces are in the net_mon_list.  Only interfaces
	|  which are up or forced up and are config enabled will actually have
	|  a chart created, unless the interface is linked to the timer button.
	|  A linked interface always has a chart created for it regardless
	|  of the up state but it will have a chart that may not be
	|  visible if the interface is down (ppp) or the connect state is
	|  hangup (ippp).
	*/
	gboolean	locked;		/* True if linked to timer button or forced up */

	GkrellmChartconfig	*chart_config;
	gboolean			enabled,
						chart_labels,
						force_up;
	gchar				*label;

	GkrellmAlert		*alert;
	GtkWidget			*alert_config_rx_button,
						*alert_config_tx_button;
	gboolean			alert_uses_rx,
						alert_uses_tx;

	gulong				rx_old,
						tx_old;
	gint				rx_current,
						tx_current;
	gdouble				rx_totalA,
						rx_totalB,
						tx_totalA,
						tx_totalB;

	NetStat				day_stats[N_DAY_STATS],
						week_stats[N_WEEK_STATS],
						month_stats[N_MONTH_STATS];

	gboolean			show_totalB,
						totals_shown,
						reset_button_in,
						stats_button_in,
						mouse_in_chart,
						new_text_format;
	GkrellmLauncher		launch;
	GtkWidget			*launch_entry,
						*tooltip_entry;

	gboolean			up,
						up_prev,
						up_event,
						down_event;

	gulong				rx,
						tx;
	}
	NetMon;


static void cb_alert_config(GkrellmAlert *ap, NetMon *net);
static void	cb_alert_config_create(GkrellmAlert *ap, GtkWidget *vbox,
					NetMon *net);
static void	net_stat_init(NetMon *net);

typedef struct
	{
	gchar	*name;
	gint	type;
	}
	TimerType;


static GList	*net_mon_list;
static GList	*net_mon_sys_list;
static GList	*timer_defaults_list;
static gchar	*lock_directory;
static gchar	*net_data_dir;

static void		(*read_net_data)();
static void		(*check_net_routes)();
static gboolean	(*isdn_is_online)();

static gboolean	net_use_routed;
static gboolean	net_config_use_routed;

static gint		reset_mday;

static gint
strcmp_net_name(NetMon *net1, NetMon *net2)
	{
	gchar	*s;
	gint	n, n1, n2, len;

	for (s = net1->name; *s; ++s)
		if (isdigit(*s))
			break;
	if (!*s)
		return strcmp(net1->name, net2->name);
	n1 = atoi(s);
	len = s - net1->name;
	n = strncmp(net1->name, net2->name, len);
	if (n == 0)
		{
		n2 = atoi(net2->name + len);
		if (n1 < n2)
			n = -1;
		else if (n1 > n2)
			n = 1;
		}
	return n;
	}

static NetMon *
new_net(gchar *name)
	{
	NetMon		*net;

	net = g_new0(NetMon, 1);
	net->name = g_strdup(name);
	if (strcmp(name, "lo"))
		net->enabled = TRUE;		/* All except lo default to enabled */
	net->chart_labels = TRUE;
	net->label = g_strdup("");
	net->launch.command = g_strdup("");
	net->launch.tooltip_comment = g_strdup("");
	net->alert_uses_rx = net->alert_uses_tx = TRUE;
	net_mon_list = g_list_insert_sorted(net_mon_list, net,
				(GCompareFunc) strcmp_net_name);

	net_stat_init(net);

	return net;
	}

static NetMon	*
lookup_net(gchar *name)
	{
	NetMon	*net;
	GList	*list;

	if (!name)
		return NULL;
	for (list = net_mon_list; list; list = list->next)
		{
		net = (NetMon *) list->data;
		if (!strcmp(net->name, name))
			return net;
		}
	return NULL;
	}

/* ------------- Net monitor to system dependent interface ------------- */

void
gkrellm_net_client_divert(void (*read_func)(), void (*check_routes)(),
			gboolean (*isdn_online_func)())
	{
	read_net_data = read_func;
	check_net_routes = check_routes;
	isdn_is_online = isdn_online_func;
	}

static gboolean
setup_net_interface(void)
    {
	if (!read_net_data && !_GK.client_mode && gkrellm_sys_net_init())
		{
		read_net_data = gkrellm_sys_net_read_data;
		check_net_routes = gkrellm_sys_net_check_routes;
		isdn_is_online = gkrellm_sys_net_isdn_online;
		}
	return read_net_data ? TRUE : FALSE;
	}

gchar *
gkrellm_net_mon_first(void)
	{
	gchar	*name = NULL;

	net_mon_sys_list = net_mon_list;
	if (net_mon_sys_list)
		{
		name = ((NetMon *) (net_mon_sys_list->data))->name;
		net_mon_sys_list = net_mon_sys_list->next;
		}
	return name;
	}

gchar
*gkrellm_net_mon_next(void)
	{
	gchar	*name = NULL;

	if (net_mon_sys_list)
		{
		name = ((NetMon *) (net_mon_sys_list->data))->name;
		net_mon_sys_list = net_mon_sys_list->next;
		}
	return name;
	}

void
gkrellm_net_use_routed(gboolean real_routed)
	{
	/* real_routed should only ever be FALSE when called from client.c to
	|  handle the server sysdep net code not using routed mode while the
	|  client <-> server interface will always use routed mode.
	*/
	net_use_routed = TRUE;
	net_config_use_routed = real_routed;
	}

void
gkrellm_net_routed_event(gchar *name, gboolean routed)
	{
	NetMon	*net;

	if (!net_use_routed)
		return;
	if ((net = lookup_net(name)) == NULL)
		net = new_net(name);
	if (routed)
		net->up_event = TRUE;
	else
		net->down_event = TRUE;
	net->up = routed;
	}

void
gkrellm_net_assign_data(gchar *name, gulong rx, gulong tx)
	{
	NetMon	*net;

	if ((net = lookup_net(name)) == NULL)
		net = new_net(name);
	if (GK.second_tick && !net_use_routed)
		net->up = TRUE;
	net->rx = rx;
	net->tx = tx;
	}

void
gkrellm_net_add_timer_type_ppp(gchar *name)
	{
	TimerType	*t;

	if (!name || !*name || _GK.client_mode)
		return;
	t = g_new0(TimerType, 1);
	t->name = g_strdup(name);
	t->type = TIMER_TYPE_PPP;
	timer_defaults_list = g_list_append(timer_defaults_list, t);
	}

void
gkrellm_net_add_timer_type_ippp(gchar *name)
	{
	TimerType	*t;

	if (!name || !*name || _GK.client_mode)
		return;
	t = g_new0(TimerType, 1);
	t->name = g_strdup(name);
	t->type = TIMER_TYPE_IPPP;
	timer_defaults_list = g_list_append(timer_defaults_list, t);
	}

void
gkrellm_net_set_lock_directory(gchar *dir)
	{
	lock_directory = g_strdup(dir);
	}


/* ======================================================================== */
/* Exporting net data for plugins */

gint
gkrellm_net_routes(void)
	{
	return g_list_length(net_mon_list);
	}

gboolean
gkrellm_net_stats(gint n, gchar *name, gulong *rx, gulong *tx)
	{
	GList	*list;
	NetMon	*net;

	list = g_list_nth(net_mon_list, n);
	if (!list)
		return FALSE;
	net = (NetMon *) list->data;
	if (name)
		strcpy(name, net->name);
	if (rx)
		*rx = net->rx;
	if (tx)
		*tx = net->tx;
	return TRUE;
	}

void
gkrellm_net_led_positions(gint *x_rx_led, gint *y_rx_led,
			gint *x_tx_led, gint *y_tx_led)
	{
	if (x_rx_led)
		*x_rx_led = _GK.rx_led_x;
	if (y_rx_led)
		*y_rx_led = _GK.rx_led_y;
	if (x_tx_led)
		*x_tx_led = _GK.tx_led_x;
	if (y_tx_led)
		*y_tx_led = _GK.tx_led_y;
	}

/* ======================================================================== */
#include    "pixmaps/net/decal_net_leds.xpm"
#include    "pixmaps/timer/bg_timer.xpm"
#include    "pixmaps/timer/decal_timer_button.xpm"


#define	MIN_GRID_RES		5
#define	MAX_GRID_RES		100000000
#define	DEFAULT_GRID_RES 	20000

  /* States for the timer button are indexes to the corresponding
  |  timer button decal frame shown.
  */
#define	TB_NORMAL		0
#define	TB_PRESSED		1
#define	TB_STANDBY		2
#define	TB_ON			3
#define	N_TB_DECALS		4

#define	RX_LED	0
#define	TX_LED	1

#define	RX_OFF	0
#define	RX_ON	1
#define	TX_OFF	2
#define	TX_ON	3
#define	N_LEDS	4

static GkrellmMonitor	*mon_net;
static GkrellmMonitor	*mon_timer;


static NetMon		*net_timed;		/* Monitor linked to timer button  */

GkrellmPanel		*timer_panel;		/* For the timer and button	*/

static GtkWidget	*net_vbox;		/* Where all net monitors live */
static GtkWidget	*dynamic_net_vbox;
static GtkWidget	*timer_vbox;

static GkrellmPiximage *bg_timer_piximage,
					*decal_net_led_piximage,
					*decal_timer_button_piximage;

static GkrellmStyle	*bg_timer_style;

static GdkPixmap	*decal_net_led_pixmap;
static GdkBitmap	*decal_net_led_mask;

static GdkPixmap	*decal_timer_button_pixmap;
static GdkBitmap	*decal_timer_button_mask;

static GkrellmDecal	*time_decal,
					*seconds_decal,
					*button_decal;

  /* These 3 decals will be drawn on net charts when mouse is in a chart and
  |  the chart has a rx and/or tx total drawn.  They won't live in a panel
  |  so must be managed differently from decals on a panel.
  */
static GkrellmDecal	*decal_totalA,
					*decal_totalB,
					*decal_reset;
static GkrellmDecal	*decal_stats;

static gchar		*timer_on_command;
static gchar		*timer_off_command;
static gchar		*timer_button_iface;
static gint			timer_button_enabled;
static gint			last_time = -1;


static gint			timer_button_type = TIMER_TYPE_NONE,
					timer_button_state,
					timer_button_old_state,
					last_timer_command;

static gboolean		timer_seconds;

static gint			check_connect_state,
					net_stats_window_height;

static gint			ascent,
					ascent_alt,
					sec_pad;

static time_t		net_timer0;

static gint			net_style_id,
					timer_style_id;

static GkrellmSizeAbbrev    stats_bytes_abbrev[]    =
	{
	{ KB_SIZE(1),       1,              "%.0f" },
	{ KB_SIZE(10),      KB_SIZE(1),     "%.1fKB" },
	{ MB_SIZE(1),       KB_SIZE(1),     "%.2fKB" },
	{ MB_SIZE(10),      MB_SIZE(1),     "%.3fMB" },
	{ MB_SIZE(100),     MB_SIZE(1),     "%.2fMB" },
	{ GB_SIZE(1),       MB_SIZE(1),     "%.2fMB" },
	{ GB_SIZE(10),      GB_SIZE(1),     "%.3fGB" },
	{ GB_SIZE(100),     GB_SIZE(1),     "%.2fGB" },
	{ TB_SIZE(1),       GB_SIZE(1),     "%.2fGB" },
	{ TB_SIZE(10),      TB_SIZE(1),     "%.3fTB" },
	{ TB_SIZE(100),     TB_SIZE(1),     "%.3fTB" },
	{ TB_SIZE(1000),    TB_SIZE(1),     "%.2fTB" }
	};

#define	NET_DATA_VERSION	2

#define	SATURDAY	6
#define	SUNDAY		0

static gchar	days_in_month[12] =
		{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31  };


  /* Called from client.c
  */
void
gkrellm_net_server_has_timer(void)
	{
	timer_button_type = TIMER_TYPE_SERVER;
	}

static void
draw_led(NetMon *net, int rxtx, int led_index)