Files
lcdproc/clients/lcdproc/chrono.c
T
2013-05-04 14:45:28 +00:00

529 lines
14 KiB
C

/** \file clients/lcdproc/chrono.c
* Implements the 'OldTime', 'TimeDate', 'Uptime', 'MiniClock', and 'BigClock'
* screens.
*/
/*-
* This file is part of lcdproc, the lcdproc client.
*
* This file is released under the GNU General Public License.
* Refer to the COPYING file distributed with this package.
*/
#include <sys/types.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/utsname.h>
#include <limits.h>
#include <sys/param.h>
#include <errno.h>
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#include "shared/configfile.h"
#include "shared/sockets.h"
#include "main.h"
#include "mode.h"
#include "machine.h"
#include "chrono.h"
static char *tickTime(char *time, int heartbeat);
/**
* TimeDate Screen displays current time and date, uptime, OS ver...
*
*\verbatim
*
* +--------------------+ +--------------------+
* |## Linux 2.6.11 ###@| |### TIME: myhost ##@|
* |Up xxx days hh:mm:ss| |17.05.2005 11:32:57a|
* | Wed May 17, 1998 | +--------------------+
* |11:32:57a 100% idle|
* +--------------------+
*
*\endverbatim
*
* \param rep Time since last screen update
* \param display 1 if screen is visible or data should be updated
* \param flags_ptr Mode flags
* \return Always 0
*/
int
time_screen(int rep, int display, int *flags_ptr)
{
char now[40];
char today[40];
int xoffs;
int days, hour, min, sec;
static int heartbeat = 0;
static const char *timeFormat = NULL;
static const char *dateFormat = NULL;
time_t thetime;
struct tm *rtime;
double uptime, idle;
if ((*flags_ptr & INITIALIZED) == 0) {
*flags_ptr |= INITIALIZED;
/* get config values */
timeFormat = config_get_string("TimeDate", "TimeFormat", 0, "%H:%M:%S");
dateFormat = config_get_string("TimeDate", "DateFormat", 0, "%b %d %Y");
sock_send_string(sock, "screen_add T\n");
sock_printf(sock, "screen_set T -name {Time Screen: %s}\n", get_hostname());
sock_send_string(sock, "widget_add T title title\n");
sock_send_string(sock, "widget_add T one string\n");
if (lcd_hgt >= 4) {
sock_send_string(sock, "widget_add T two string\n");
sock_send_string(sock, "widget_add T three string\n");
/* write title bar: OS name, OS version, hostname */
sock_printf(sock, "widget_set T title {%s %s: %s}\n",
get_sysname(), get_sysrelease(), get_hostname());
}
else {
/* write title bar: hostname */
sock_printf(sock, "widget_set T title {TIME: %s}\n", get_hostname());
}
}
/* toggle colon display */
heartbeat ^= 1;
time(&thetime);
rtime = localtime(&thetime);
if (strftime(today, sizeof(today), dateFormat, rtime) == 0)
*today = '\0';
if (strftime(now, sizeof(now), timeFormat, rtime) == 0)
*now = '\0';
tickTime(now, heartbeat);
if (lcd_hgt >= 4) {
char tmp[40]; /* should be large enough */
machine_get_uptime(&uptime, &idle);
/* display the uptime... */
days = (int) uptime / 86400;
hour = ((int) uptime % 86400) / 3600;
min = ((int) uptime % 3600) / 60;
sec = ((int) uptime % 60);
if (lcd_wid >= 20)
sprintf(tmp, "Up %3d day%s %02d:%02d:%02d",
days, ((days != 1) ? "s" : ""), hour, min, sec);
else
sprintf(tmp, "Up %dd %02d:%02d:%02d", days, hour, min, sec);
xoffs = (lcd_wid > strlen(tmp)) ? ((lcd_wid - strlen(tmp)) / 2) + 1 : 1;
if (display)
sock_printf(sock, "widget_set T one %i 2 {%s}\n", xoffs, tmp);
/* display the date */
xoffs = (lcd_wid > strlen(today)) ? ((lcd_wid - strlen(today)) / 2) + 1 : 1;
if (display)
sock_printf(sock, "widget_set T two %i 3 {%s}\n", xoffs, today);
/* display the time & idle time... */
sprintf(tmp, "%s %3i%% idle", now, (int) idle);
xoffs = (lcd_wid > strlen(tmp)) ? ((lcd_wid - strlen(tmp)) / 2) + 1 : 1;
if (display)
sock_printf(sock, "widget_set T three %i 4 {%s}\n", xoffs, tmp);
}
else { /* 2 line version of the screen */
xoffs = (lcd_wid > (strlen(today) + strlen(now) + 1))
? ((lcd_wid - ((strlen(today) + strlen(now) + 1))) / 2) + 1 : 1;
if (display)
sock_printf(sock, "widget_set T one %i 2 {%s %s}\n", xoffs, today, now);
}
return 0;
} /* End time_screen() */
/**
* OldTime Screen displays current time and date...
*
*\verbatim
*
* +--------------------+ +--------------------+
* |## DATE & TIME ####@| |### TIME: myhost ##@|
* | myhost | |2005-05-17 11:32:57a|
* |11:32:75a Wednesday,| +--------------------+
* | May 17, 2005 |
* +--------------------+
*
* Alternate 2-line version without the title bar:
*
* +----------------+
* | 2012-12-27 @|
* | 15:07:01 |
* +----------------+
*
*\endverbatim
*
* \param rep Time since last screen update
* \param display 1 if screen is visible or data should be updated
* \param flags_ptr Mode flags
* \return Always 0
*/
int
clock_screen(int rep, int display, int *flags_ptr)
{
char now[40];
char today[40];
int xoffs;
static int heartbeat = 0;
static int showTitle = 1;
static const char *timeFormat = NULL;
static const char *dateFormat = NULL;
time_t thetime;
struct tm *rtime;
if ((*flags_ptr & INITIALIZED) == 0) {
char tmp[257]; /* should be large enough for host name */
*flags_ptr |= INITIALIZED;
/* get config values */
timeFormat = config_get_string("OldTime", "TimeFormat", 0, "%H:%M:%S");
dateFormat = config_get_string("OldTime", "DateFormat", 0, "%b %d %Y");
showTitle = config_get_bool("OldTime", "ShowTitle", 0, 1);
sock_send_string(sock, "screen_add O\n");
sock_printf(sock, "screen_set O -name {Old Clock Screen: %s}\n", get_hostname());
if (!showTitle)
sock_send_string(sock, "screen_set O -heartbeat off\n");
sock_send_string(sock, "widget_add O one string\n");
if (lcd_hgt >= 4) {
sock_send_string(sock, "widget_add O title title\n");
sock_send_string(sock, "widget_add O two string\n");
sock_send_string(sock, "widget_add O three string\n");
sock_printf(sock, "widget_set O title {DATE & TIME}\n");
sprintf(tmp, "%s", get_hostname());
xoffs = (lcd_wid > strlen(tmp)) ? (((lcd_wid - strlen(tmp)) / 2) + 1) : 1;
sock_printf(sock, "widget_set O one %i 2 {%s}\n", xoffs, tmp);
}
else {
if (showTitle) {
sock_send_string(sock, "widget_add O title title\n");
sock_printf(sock, "widget_set O title {TIME: %s}\n", get_hostname());
}
else {
sock_send_string(sock, "widget_add O two string\n");
}
}
}
/* toggle colon display */
heartbeat ^= 1;
time(&thetime);
rtime = localtime(&thetime);
if (strftime(today, sizeof(today), dateFormat, rtime) == 0)
*today = '\0';
if (strftime(now, sizeof(now), timeFormat, rtime) == 0)
*now = '\0';
tickTime(now, heartbeat);
if (lcd_hgt >= 4) { /* 4-line version of the screen */
xoffs = (lcd_wid > strlen(today)) ? ((lcd_wid - strlen(today)) / 2) + 1 : 1;
if (display)
sock_printf(sock, "widget_set O two %i 3 {%s}\n", xoffs, today);
xoffs = (lcd_wid > strlen(now)) ? ((lcd_wid - strlen(now)) / 2) + 1 : 1;
if (display)
sock_printf(sock, "widget_set O three %i 4 {%s}\n", xoffs, now);
}
else { /* 2-line version of the screen */
if (showTitle) {
xoffs = (lcd_wid > (strlen(today) + strlen(now) + 1))
? ((lcd_wid - ((strlen(today) + strlen(now) + 1))) / 2) + 1 : 1;
if (display)
sock_printf(sock, "widget_set O one %i 2 {%s %s}\n", xoffs, today, now);
}
else {
xoffs = (lcd_wid > strlen(today)) ? ((lcd_wid - strlen(today)) / 2) + 1 : 1;
if (display)
sock_printf(sock, "widget_set O one %i 1 {%s}\n", xoffs, today);
xoffs = (lcd_wid > strlen(now)) ? ((lcd_wid - strlen(now)) / 2) + 1 : 1;
if (display)
sock_printf(sock, "widget_set O two %i 2 {%s}\n", xoffs, now);
}
}
return 0;
} /* End clock_screen() */
/**
* Uptime Screen shows info about system uptime and OS version
*
*\verbatim
*
* +--------------------+ +--------------------+
* |## SYSTEM UPTIME ##@| |# Linux 2.6.11: my#@|
* | myhost | | xxx days hh:mm:ss |
* | xxx days hh:mm:ss | +--------------------+
* | Linux 2.6.11 |
* +--------------------+
*
*\endverbatim
*
* \param rep Time since last screen update
* \param display 1 if screen is visible or data should be updated
* \param flags_ptr Mode flags
* \return Always 0
*/
int
uptime_screen(int rep, int display, int *flags_ptr)
{
int xoffs;
int days, hour, min, sec;
double uptime, idle;
static int heartbeat = 0;
char tmp[257]; /* should be large enough for host name */
if ((*flags_ptr & INITIALIZED) == 0) {
*flags_ptr |= INITIALIZED;
sock_send_string(sock, "screen_add U\n");
sock_printf(sock, "screen_set U -name {Uptime Screen: %s}\n", get_hostname());
sock_send_string(sock, "widget_add U title title\n");
if (lcd_hgt >= 4) {
sock_send_string(sock, "widget_add U one string\n");
sock_send_string(sock, "widget_add U two string\n");
sock_send_string(sock, "widget_add U three string\n");
sock_send_string(sock, "widget_set U title {SYSTEM UPTIME}\n");
sprintf(tmp, "%s", get_hostname());
xoffs = (lcd_wid > strlen(tmp)) ? (((lcd_wid - strlen(tmp)) / 2) + 1) : 1;
sock_printf(sock, "widget_set U one %i 2 {%s}\n", xoffs, tmp);
sprintf(tmp, "%s %s", get_sysname(), get_sysrelease());
xoffs = (lcd_wid > strlen(tmp)) ? (((lcd_wid - strlen(tmp)) / 2) + 1) : 1;
sock_printf(sock, "widget_set U three %i 4 {%s}\n", xoffs, tmp);
}
else {
sock_send_string(sock, "widget_add U one string\n");
sock_printf(sock, "widget_set U title {%s %s: %s}\n",
get_sysname(), get_sysrelease(), get_hostname());
}
}
/* toggle colon display */
heartbeat ^= 1;
machine_get_uptime(&uptime, &idle);
days = (int) uptime / 86400;
hour = ((int) uptime % 86400) / 3600;
min = ((int) uptime % 3600) / 60;
sec = ((int) uptime % 60);
if (lcd_wid >= 20)
sprintf(tmp, "%d day%s %02d:%02d:%02d",
days, ((days != 1) ? "s" : ""), hour, min, sec);
else
sprintf(tmp, "%dd %02d:%02d:%02d", days, hour, min, sec);
if (display) {
xoffs = (lcd_wid > strlen(tmp)) ? (((lcd_wid - strlen(tmp)) / 2) + 1) : 1;
if (lcd_hgt >= 4)
sock_printf(sock, "widget_set U two %d 3 {%s}\n", xoffs, tmp);
else
sock_printf(sock, "widget_set U one %d 2 {%s}\n", xoffs, tmp);
}
return 0;
} /* End uptime_screen() */
/**
* Big Clock Screen displays current time...
*
*\verbatim
*
* +--------------------+
* | _ _ _ _ |
* | ||_ . _||_|. _| ||
* | ||_|. _| |.|_ ||
* | |
* +--------------------+
*
*\endverbatim
*
* \param rep Time since last screen update
* \param display 1 if screen is visible or data should be updated
* \param flags_ptr Mode flags
* \return Always 0
*/
int
big_clock_screen(int rep, int display, int *flags_ptr)
{
time_t thetime;
struct tm *rtime;
int pos[] = {1, 4, 8, 11, 15, 18};
char fulltxt[16];
static char old_fulltxt[16];
static int heartbeat = 0;
static int TwentyFourHour = 1;
int j = 0;
int digits = (lcd_wid >= 20) ? 6 : 4;
int xoffs = (lcd_wid + 1 - (pos[digits - 1] + 2)) / 2;
/* toggle colon display */
heartbeat ^= 1;
if ((*flags_ptr & INITIALIZED) == 0) {
*flags_ptr |= INITIALIZED;
sock_send_string(sock, "screen_add K\n");
sock_send_string(sock, "screen_set K -name {Big Clock Screen} -heartbeat off\n");
sock_send_string(sock, "widget_add K d0 num\n");
sock_send_string(sock, "widget_add K d1 num\n");
sock_send_string(sock, "widget_add K d2 num\n");
sock_send_string(sock, "widget_add K d3 num\n");
sock_send_string(sock, "widget_add K c0 num\n");
if (digits > 4) {
sock_send_string(sock, "widget_add K d4 num\n");
sock_send_string(sock, "widget_add K d5 num\n");
sock_send_string(sock, "widget_add K c1 num\n");
}
strcpy(old_fulltxt, " ");
}
time(&thetime);
rtime = localtime(&thetime);
sprintf(fulltxt, "%02d%02d%02d",
((TwentyFourHour) ? rtime->tm_hour : (((rtime->tm_hour + 11) % 12) + 1)),
rtime->tm_min, rtime->tm_sec);
for (j = 0; j < digits; j++) {
if (fulltxt[j] != old_fulltxt[j]) {
sock_printf(sock, "widget_set K d%d %d %c\n", j, xoffs+pos[j], fulltxt[j]);
old_fulltxt[j] = fulltxt[j];
}
}
if (heartbeat) { /* 10 means: colon */
sock_printf(sock, "widget_set K c0 %d 10\n", xoffs + 7);
if (digits > 4)
sock_printf(sock, "widget_set K c1 %d 10\n", xoffs + 14);
}
else { /* kludge: use illegal number to clear colon display */
sock_printf(sock, "widget_set K c0 %d 11\n", xoffs + 7);
if (digits > 4)
sock_printf(sock, "widget_set K c1 %d 11\n", xoffs + 14);
}
return 0;
} /* End big_clock_screen() */
/**
* MiniClock Screen displays the current time with hours & minutes only
*
*\verbatim
*
* +--------------------+ +--------------------+
* | | | 11:32 |
* | 11:32 | | |
* | | +--------------------+
* | |
* +--------------------+
*
*\endverbatim
*
* \param rep Time since last screen update
* \param display 1 if screen is visible or data should be updated
* \param flags_ptr Mode flags
* \return Always 0
*/
int
mini_clock_screen(int rep, int display, int *flags_ptr)
{
char now[40];
time_t thetime;
struct tm *rtime;
static const char *timeFormat = NULL;
static int heartbeat = 0;
int xoffs;
/* toggle colon display */
heartbeat ^= 1;
if ((*flags_ptr & INITIALIZED) == 0) {
*flags_ptr |= INITIALIZED;
/* get config values */
timeFormat = config_get_string("MiniClock", "TimeFormat", 0, "%H:%M");
sock_send_string(sock, "screen_add N\n");
sock_send_string(sock, "screen_set N -name {Mini Clock Screen} -heartbeat off\n");
sock_send_string(sock, "widget_add N one string\n");
}
time(&thetime);
rtime = localtime(&thetime);
if (strftime(now, sizeof(now), timeFormat, rtime) == 0)
*now = '\0';
tickTime(now, heartbeat);
xoffs = (lcd_wid > strlen(now)) ? (((lcd_wid - strlen(now)) / 2) + 1) : 1;
sock_printf(sock, "widget_set N one %d %d {%s}\n", xoffs, (lcd_hgt / 2), now);
return 0;
} /* End mini_clock_screen() */
/** Helper function: toggle between ':' and ' ' in time strings.
* \note The time string passed is modified directly!
* \param time String containing a formatted time value.
* \param heartbeat Even numbers to display ':', odd to display ' '.
* \return Pointer to the modfied time string.
*/
static char *
tickTime(char *time, int heartbeat)
{
if (time != NULL) {
static char colon[] = {':', ' '};
char *ptr = time;
for (heartbeat %= 2; *ptr != '\0'; ptr++) {
if (*ptr == colon[0])
*ptr = colon[heartbeat];
}
}
return (time);
}