i3status/i3status.c
2009-07-21 20:23:08 +02:00

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/*
* vim:ts=8:expandtab
*
* i3status Generates a status line for dzen2 or wmii
*
*
* Copyright © 2008-2009 Michael Stapelberg and contributors
* Copyright © 2009 Thorsten Toepper <atsutane at freethoughts dot de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* * Neither the name of Michael Stapelberg nor the names of contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <stdio.h>
#include <time.h>
#include <stdbool.h>
#include <stdarg.h>
#include <unistd.h>
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <getopt.h>
#include <signal.h>
#include "queue.h"
#include "i3status.h"
struct battery_head batteries;
/* socket file descriptor for general purposes */
int general_socket;
const char *wlan_interface = NULL;
const char *eth_interface = NULL;
const char *wmii_path = NULL;
const char *time_format = NULL;
bool use_colors = false;
bool get_ethspeed = false;
bool get_ipv6 = false;
bool get_cpu_temperature = false;
char *thermal_zone = NULL;
const char *wmii_normcolors = "#222222 #333333";
int order[MAX_ORDER];
const char **run_watches = NULL;
unsigned int num_run_watches;
unsigned int interval = 1;
/*
* Exit upon SIGPIPE because when we have nowhere to write to, gathering
* system information is pointless.
*
*/
void sigpipe(int signum) {
fprintf(stderr, "Received SIGPIPE, exiting\n");
exit(1);
}
int main(int argc, char *argv[]) {
char part[512],
pathbuf[512];
unsigned int i;
int j;
char *configfile = PREFIX "/etc/i3status.conf";
int o, option_index = 0;
struct option long_options[] = {
{"config", required_argument, 0, 'c'},
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0}
};
struct sigaction action;
memset(&action, 0, sizeof(struct sigaction));
action.sa_handler = sigpipe;
sigaction(SIGPIPE, &action, NULL);
SIMPLEQ_INIT(&batteries);
while ((o = getopt_long(argc, argv, "c:h", long_options, &option_index)) != -1)
if ((char)o == 'c')
configfile = optarg;
else if ((char)o == 'h') {
printf("i3status (c) 2008-2009 Michael Stapelberg\n"
"Syntax: %s [-c <configfile>]\n", argv[0]);
return 0;
}
if (load_configuration(configfile) < 0)
return EXIT_FAILURE;
setup();
if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
die("Could not create socket\n");
while (1) {
for (j = 0; j < MAX_ORDER; j++) {
generate_order(wlan_interface, ORDER_WLAN, "wlan", get_wireless_info());
generate_order(eth_interface, ORDER_ETH, "eth", get_eth_info());
generate_order(get_ipv6, ORDER_IPV6, "ipv6", get_ipv6_addr());
generate_order(get_cpu_temperature, ORDER_CPU_TEMPERATURE, "cpu_temperature", get_cpu_temperature_info());
generate_order(true, ORDER_LOAD, "load", get_load());
if (j == order[ORDER_RUN]) {
for (i = 0; i < num_run_watches; i += 2) {
bool running = process_runs(run_watches[i+1]);
if (use_colors)
snprintf(part, sizeof(part), "%s%s: %s",
(running ? color("#00FF00") : color("#FF0000")),
run_watches[i],
(running ? "yes" : "no"));
else snprintf(part, sizeof(part), "%s: %s", run_watches[i], (running ? "yes" : "no"));
snprintf(pathbuf, sizeof(pathbuf), "%d%s", order[ORDER_RUN], run_watches[i]);
write_to_statusbar(pathbuf, part, false);
}
}
if (j == order[ORDER_BATTERY]) {
struct battery *current;
SIMPLEQ_FOREACH(current, &batteries, batteries)
generate(ORDER_BATTERY, "battery", get_battery_info(current));
}
if (j == order[ORDER_TIME] && time_format != NULL) {
/* Get date & time */
time_t current_time = time(NULL);
struct tm *current_tm = localtime(&current_time);
(void)strftime(part, sizeof(part), time_format, current_tm);
generate(ORDER_TIME, "time", part);
}
}
sleep(interval);
}
}