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 wmii
   5  *
   6  *
   7  * Copyright © 2008-2009 Michael Stapelberg and contributors
   8  * Copyright © 2009 Thorsten Toepper <atsutane at freethoughts dot de>
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without modification,
  12  * are permitted provided that the following conditions are met:
  13  *
  14  * * Redistributions of source code must retain the above copyright notice, this
  15  *   list of conditions and the following disclaimer.
  16  *
  17  * * Redistributions in binary form must reproduce the above copyright notice, this
  18  *   list of conditions and the following disclaimer in the documentation and/or other
  19  *   materials provided with the distribution.
  20  *
  21  * * Neither the name of Michael Stapelberg nor the names of contributors
  22  *   may be used to endorse or promote products derived from this software without
  23  *   specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  26  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  27  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
  28  * SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  29  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  30  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  31  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  33  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  34  * DAMAGE.
  35  *
  36  */
  37 #include <sys/types.h>
  38 #include <sys/stat.h>
  39 #include <fcntl.h>
  40 #include <string.h>
  41 #include <stdio.h>
  42 #include <time.h>
  43 #include <stdbool.h>
  44 #include <stdarg.h>
  45 #include <unistd.h>
  46 #include <stdlib.h>
  47 #include <limits.h>
  48 #include <ctype.h>
  49 #include <sys/ioctl.h>
  50 #include <sys/socket.h>
  51 #include <netinet/in.h>
  52 #include <getopt.h>
  53 #include <signal.h>
  54
  55 #include "queue.h"
  56
  57 #include "i3status.h"
  58
  59 struct battery_head batteries;
  60
  61 /* socket file descriptor for general purposes */
  62 int general_socket;
  63
  64 const char *wlan_interface = NULL;
  65 const char *eth_interface = NULL;
  66 const char *wmii_path = NULL;
  67 const char *time_format = NULL;
  68 bool use_colors = false;
  69 bool get_ethspeed = false;
  70 bool get_ipv6 = false;
  71 bool get_cpu_temperature = false;
  72 char *thermal_zone = NULL;
  73 const char *wmii_normcolors = "#222222 #333333";
  74 int order[MAX_ORDER];
  75 const char **run_watches = NULL;
  76 unsigned int num_run_watches;
  77 unsigned int interval = 1;
  78
  79 /*
  80  * Exit upon SIGPIPE because when we have nowhere to write to, gathering
  81  * system information is pointless.
  82  *
  83  */
  84 void sigpipe(int signum) {
  85         fprintf(stderr, "Received SIGPIPE, exiting\n");
  86         exit(1);
  87 }
  88
  89 int main(int argc, char *argv[]) {
  90         char part[512],
  91              pathbuf[512];
  92         unsigned int i;
  93         int j;
  94
  95         char *configfile = PREFIX "/etc/i3status.conf";
  96         int o, option_index = 0;
  97         struct option long_options[] = {
  98                 {"config", required_argument, 0, 'c'},
  99                 {"help", no_argument, 0, 'h'},
 100                 {0, 0, 0, 0}
 101         };
 102
 103         struct sigaction action;
 104         memset(&action, 0, sizeof(struct sigaction));
 105         action.sa_handler = sigpipe;
 106         sigaction(SIGPIPE, &action, NULL);
 107
 108         SIMPLEQ_INIT(&batteries);
 109
 110         while ((o = getopt_long(argc, argv, "c:h", long_options, &option_index)) != -1)
 111                 if ((char)o == 'c')
 112                         configfile = optarg;
 113                 else if ((char)o == 'h') {
 114                         printf("i3status (c) 2008-2009 Michael Stapelberg\n"
 115                                 "Syntax: %s [-c <configfile>]\n", argv[0]);
 116                         return 0;
 117                 }
 118
 119         if (load_configuration(configfile) < 0)
 120                 return EXIT_FAILURE;
 121
 122         setup();
 123
 124         if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
 125                 die("Could not create socket\n");
 126
 127         while (1) {
 128                 for (j = 0; j < MAX_ORDER; j++) {
 129                         generate_order(wlan_interface, ORDER_WLAN, "wlan", get_wireless_info());
 130                         generate_order(eth_interface, ORDER_ETH, "eth", get_eth_info());
 131                         generate_order(get_ipv6, ORDER_IPV6, "ipv6", get_ipv6_addr());
 132                         generate_order(get_cpu_temperature, ORDER_CPU_TEMPERATURE, "cpu_temperature", get_cpu_temperature_info());
 133                         generate_order(true, ORDER_LOAD, "load", get_load());
 134
 135                         if (j == order[ORDER_RUN]) {
 136                                 for (i = 0; i < num_run_watches; i += 2) {
 137                                         bool running = process_runs(run_watches[i+1]);
 138                                         if (use_colors)
 139                                                 snprintf(part, sizeof(part), "%s%s: %s",
 140                                                         (running ? color("#00FF00") : color("#FF0000")),
 141                                                         run_watches[i],
 142                                                         (running ? "yes" : "no"));
 143                                         else snprintf(part, sizeof(part), "%s: %s", run_watches[i], (running ? "yes" : "no"));
 144                                         snprintf(pathbuf, sizeof(pathbuf), "%d%s", order[ORDER_RUN], run_watches[i]);
 145                                         write_to_statusbar(pathbuf, part, false);
 146                                 }
 147                         }
 148
 149                         if (j == order[ORDER_BATTERY]) {
 150                                 struct battery *current;
 151                                 SIMPLEQ_FOREACH(current, &batteries, batteries)
 152                                         generate(ORDER_BATTERY, "battery", get_battery_info(current));
 153                         }
 154
 155                         if (j == order[ORDER_TIME] && time_format != NULL) {
 156                                 /* Get date & time */
 157                                 time_t current_time = time(NULL);
 158                                 struct tm *current_tm = localtime(&current_time);
 159                                 (void)strftime(part, sizeof(part), time_format, current_tm);
 160                                 generate(ORDER_TIME, "time", part);
 161                         }
 162                 }
 163
 164                 sleep(interval);
 165         }
 166 }