git.sur5r.net Git - i3/i3status/blob - i3status.c

   1 /*
   2  * vim:ts=8:expandtab
   3  *
   4  * i3status – Generates a status line for dzen2 or xmobar
   5  *
   6  * Copyright © 2008-2009 Michael Stapelberg and contributors
   7  * Copyright © 2009 Thorsten Toepper <atsutane at freethoughts dot de>
   8  *
   9  * See file LICENSE for license information.
  10  *
  11  */
  12 #include <string.h>
  13 #include <stdio.h>
  14 #include <stdbool.h>
  15 #include <unistd.h>
  16 #include <stdlib.h>
  17 #include <sys/socket.h>
  18 #include <netinet/in.h>
  19 #include <getopt.h>
  20 #include <signal.h>
  21 #include <confuse.h>
  22
  23 #include "i3status.h"
  24
  25 /* socket file descriptor for general purposes */
  26 int general_socket;
  27
  28 cfg_t *cfg, *cfg_general;
  29
  30 /*
  31  * Exit upon SIGPIPE because when we have nowhere to write to, gathering
  32  * system information is pointless.
  33  *
  34  */
  35 void sigpipe(int signum) {
  36         fprintf(stderr, "Received SIGPIPE, exiting\n");
  37         exit(1);
  38 }
  39
  40 int main(int argc, char *argv[]) {
  41         unsigned int j;
  42
  43         cfg_opt_t general_opts[] = {
  44                 CFG_BOOL("colors", 1, CFGF_NONE),
  45                 CFG_INT("interval", 1, CFGF_NONE),
  46                 CFG_END()
  47         };
  48
  49         cfg_opt_t run_watch_opts[] = {
  50                 CFG_STR("pidfile", NULL, CFGF_NONE),
  51                 CFG_STR("format", "%title: %status", CFGF_NONE),
  52                 CFG_END()
  53         };
  54
  55         cfg_opt_t wireless_opts[] = {
  56                 CFG_STR("format_up", "W: (%quality at %essid) %ip", CFGF_NONE),
  57                 CFG_STR("format_down", "W: down", CFGF_NONE),
  58                 CFG_END()
  59         };
  60
  61         cfg_opt_t ethernet_opts[] = {
  62                 CFG_STR("format", "E: %ip (%speed)", CFGF_NONE),
  63                 CFG_END()
  64         };
  65
  66         cfg_opt_t ipv6_opts[] = {
  67                 CFG_STR("format", "%ip", CFGF_NONE),
  68                 CFG_END()
  69         };
  70
  71         cfg_opt_t battery_opts[] = {
  72                 CFG_STR("format", "%status %remaining", CFGF_NONE),
  73                 CFG_END()
  74         };
  75
  76         cfg_opt_t time_opts[] = {
  77                 CFG_STR("format", "%d.%m.%Y %H:%M:%S", CFGF_NONE),
  78                 CFG_END()
  79         };
  80
  81         cfg_opt_t load_opts[] = {
  82                 CFG_STR("format", "%5min %10min %15min", CFGF_NONE),
  83                 CFG_END()
  84         };
  85
  86         cfg_opt_t temp_opts[] = {
  87                 CFG_STR("format", "%degrees C", CFGF_NONE),
  88                 CFG_END()
  89         };
  90
  91         cfg_opt_t disk_opts[] = {
  92                 CFG_STR("format", "%free", CFGF_NONE),
  93                 CFG_END()
  94         };
  95
  96         cfg_opt_t opts[] = {
  97                 CFG_STR_LIST("order", "{ipv6,\"run_watch DHCP\",\"wireless wlan0\",\"ethernet eth0\",\"battery 0\",\"cpu_temperature 0\",load,time}", CFGF_NONE),
  98                 CFG_SEC("general", general_opts, CFGF_NONE),
  99                 CFG_SEC("run_watch", run_watch_opts, CFGF_TITLE | CFGF_MULTI),
 100                 CFG_SEC("wireless", wireless_opts, CFGF_TITLE | CFGF_MULTI),
 101                 CFG_SEC("ethernet", ethernet_opts, CFGF_TITLE | CFGF_MULTI),
 102                 CFG_SEC("battery", battery_opts, CFGF_TITLE | CFGF_MULTI),
 103                 CFG_SEC("cpu_temperature", temp_opts, CFGF_TITLE | CFGF_MULTI),
 104                 CFG_SEC("disk", disk_opts, CFGF_TITLE | CFGF_MULTI),
 105                 CFG_SEC("ipv6", ipv6_opts, CFGF_TITLE),
 106                 CFG_SEC("time", time_opts, CFGF_NONE),
 107                 CFG_SEC("load", load_opts, CFGF_NONE),
 108                 CFG_END()
 109         };
 110
 111         char *configfile = PREFIX "/etc/i3status.conf";
 112         int o, option_index = 0;
 113         struct option long_options[] = {
 114                 {"config", required_argument, 0, 'c'},
 115                 {"help", no_argument, 0, 'h'},
 116                 {0, 0, 0, 0}
 117         };
 118
 119         struct sigaction action;
 120         memset(&action, 0, sizeof(struct sigaction));
 121         action.sa_handler = sigpipe;
 122         sigaction(SIGPIPE, &action, NULL);
 123
 124         while ((o = getopt_long(argc, argv, "c:h", long_options, &option_index)) != -1)
 125                 if ((char)o == 'c')
 126                         configfile = optarg;
 127                 else if ((char)o == 'h') {
 128                         printf("i3status © 2008-2009 Michael Stapelberg\n"
 129                                 "Syntax: %s [-c <configfile>]\n", argv[0]);
 130                         return 0;
 131                 }
 132
 133         cfg = cfg_init(opts, CFGF_NONE);
 134         if (cfg_parse(cfg, configfile) == CFG_PARSE_ERROR)
 135                 return EXIT_FAILURE;
 136
 137         cfg_general = cfg_getsec(cfg, "general");
 138
 139         if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
 140                 die("Could not create socket\n");
 141
 142         while (1) {
 143                 for (j = 0; j < cfg_size(cfg, "order"); j++) {
 144                         if (j > 0)
 145                                 print_seperator();
 146
 147                         const char *current = cfg_getnstr(cfg, "order", j);
 148
 149                         CASE_SEC("ipv6")
 150                                 print_ipv6_info(cfg_getstr(sec, "format"));
 151
 152                         CASE_SEC_TITLE("wireless")
 153                                 print_wireless_info(title, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down"));
 154
 155                         CASE_SEC_TITLE("ethernet")
 156                                 print_eth_info(title, cfg_getstr(sec, "format"));
 157
 158                         CASE_SEC_TITLE("battery")
 159                                 print_battery_info(atoi(title), cfg_getstr(sec, "format"));
 160
 161                         CASE_SEC_TITLE("run_watch")
 162                                 print_run_watch(title, cfg_getstr(sec, "pidfile"), cfg_getstr(sec, "format"));
 163
 164                         CASE_SEC_TITLE("disk")
 165                                 print_disk_info(title, cfg_getstr(sec, "format"));
 166
 167                         CASE_SEC("load")
 168                                 print_load(cfg_getstr(sec, "format"));
 169
 170                         CASE_SEC("time")
 171                                 print_time(cfg_getstr(sec, "format"));
 172
 173                         CASE_SEC_TITLE("cpu_temperature")
 174                                 print_cpu_temperature_info(atoi(title), cfg_getstr(sec, "format"));
 175                 }
 176                 printf("\n");
 177                 fflush(stdout);
 178
 179                 sleep(cfg_getint(cfg_general, "interval"));
 180         }
 181 }