+++ /dev/null
-/*
- * ion/mod_statusbar/ion-statusd/ion-statusd.c
- *
- * Copyright (c) Tuomo Valkonen 2004-2006.
- *
- * Ion is free software; you can redistribute it and/or modify it under
- * the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
- */
-
-#include <string.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#include <libtu/util.h>
-#include <libtu/optparser.h>
-#include <libtu/errorlog.h>
-#include <libtu/locale.h>
-#include <libtu/misc.h>
-#include <libextl/readconfig.h>
-#include <libmainloop/select.h>
-#include <libmainloop/signal.h>
-#include <libmainloop/defer.h>
-
-#ifndef CF_NO_LOCALE
-#include <locale.h>
-#endif
-
-#include "../../version.h"
-
-
-static OptParserOpt ion_opts[]={
- /*{OPT_ID('d'), "display", OPT_ARG, "host:dpy.scr",
- DUMMY_TR("X display to use")},*/
-
- {'c', "conffile", OPT_ARG, "config_file",
- DUMMY_TR("Configuration file")},
-
- {'s', "searchdir", OPT_ARG, "dir",
- DUMMY_TR("Add directory to search path")},
-
- /*{OPT_ID('s'), "session", OPT_ARG, "session_name",
- DUMMY_TR("Name of session (affects savefiles)")},*/
-
- {'h', "help", 0, NULL,
- DUMMY_TR("Show this help")},
-
- {'V', "version", 0, NULL,
- DUMMY_TR("Show program version")},
-
- {OPT_ID('a'), "about", 0, NULL,
- DUMMY_TR("Show about text")},
-
- {'q', "quiet", 0, NULL,
- DUMMY_TR("Quiet mode")},
-
- {'m', "meter", OPT_ARG, "meter_module",
- DUMMY_TR("Load a meter module")},
-
- END_OPTPARSEROPTS
-};
-
-
-static const char statusd_copy[]=
- "Ion-statusd " ION_VERSION ", copyright (c) Tuomo Valkonen 2004-2005.";
-
-
-static const char statusd_license[]=DUMMY_TR(
- "This program is free software; you can redistribute it and/or\n"
- "modify it under the terms of the GNU Lesser General Public\n"
- "License as published by the Free Software Foundation; either\n"
- "version 2.1 of the License, or (at your option) any later version.\n"
- "\n"
- "This program is distributed in the hope that it will be useful,\n"
- "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
- "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
- "Lesser General Public License for more details.\n");
-
-
-/* new_informs=TRUE because we should always print period when
- * initialisation is done.
- */
-static bool new_informs=TRUE;
-static ExtlTab configtab;
-
-static void help()
-{
- int i;
- printf(TR("Usage: %s [options]\n\n"), libtu_progname());
- for(i=0; ion_opts[i].descr!=NULL; i++)
- ion_opts[i].descr=TR(ion_opts[i].descr);
- optparser_printhelp(OPTP_MIDLONG, ion_opts);
- printf("\n");
-}
-
-
-static void flush_informs()
-{
- if(new_informs){
- printf(".\n");
- fflush(stdout);
- new_informs=FALSE;
- }
-}
-
-
-static void mainloop()
-{
- sigset_t trapset;
-
- sigemptyset(&trapset);
- sigaddset(&trapset, SIGALRM);
- sigaddset(&trapset, SIGCHLD);
- mainloop_trap_signals(&trapset);
-
- while(1){
- int kill_sig=mainloop_check_signals();
- if(kill_sig!=0 && kill_sig!=SIGUSR1){
- if(kill_sig==SIGTERM)
- exit(EXIT_FAILURE);
- else
- kill(getpid(), kill_sig);
- }
-
- mainloop_execute_deferred();
-
- flush_informs();
-
- mainloop_select();
- }
-}
-
-
-extern bool statusd_register_exports();
-extern void statusd_unregister_exports();
-
-
-static void stdout_closed(int fd, void *data)
-{
- exit(EXIT_SUCCESS);
-}
-
-
-int main(int argc, char*argv[])
-{
- const char *mod=NULL;
- char *mod2=NULL;
- int loaded=0;
- int opt;
- bool quiet=FALSE;
-
-#ifndef CF_NO_LOCALE
- if(setlocale(LC_ALL, "")==NULL)
- warn("setlocale() call failed.");
-#endif
-
- configtab=extl_table_none();
-
- libtu_init(argv[0]);
- extl_init();
-
- if(!statusd_register_exports())
- return EXIT_FAILURE;
-
- extl_add_searchdir(EXTRABINDIR);
- extl_add_searchdir(MODULEDIR);
- extl_add_searchdir(ETCDIR);
- extl_add_searchdir(SHAREDIR);
- extl_add_searchdir(LCDIR);
- extl_set_userdirs("ion3");
-
- optparser_init(argc, argv, OPTP_MIDLONG, ion_opts);
-
- extl_read_config("ioncore_luaext", NULL, TRUE);
-
- while((opt=optparser_get_opt())){
- switch(opt){
- /*case OPT_ID('d'):
- display=optparser_get_arg();
- break;*/
- case 's':
- extl_add_searchdir(optparser_get_arg());
- break;
- /*case OPT_ID('s'):
- extl_set_sessiondir(optparser_get_arg());
- break;*/
- case 'h':
- help();
- return EXIT_SUCCESS;
- case 'V':
- printf("%s\n", ION_VERSION);
- return EXIT_SUCCESS;
- case OPT_ID('a'):
- printf("%s\n\n%s", statusd_copy, TR(statusd_license));
- return EXIT_SUCCESS;
- case 'c':
- {
- ExtlTab t;
- const char *f=optparser_get_arg();
- if(extl_read_savefile(f, &t)){
- extl_unref_table(configtab);
- configtab=t;
- }else{
- warn(TR("Unable to load configuration file %s"), f);
- }
- }
- break;
- case 'q':
- quiet=TRUE;
- break;
- case 'm':
- mod=optparser_get_arg();
- if(strchr(mod, '/')==NULL && strchr(mod, '.')==NULL){
- mod2=scat("statusd_", mod);
- if(mod2==NULL)
- return EXIT_FAILURE;
- mod=mod2;
- }
- if(extl_read_config(mod, NULL, !quiet))
- loaded++;
- if(mod2!=NULL)
- free(mod2);
- break;
- default:
- warn(TR("Invalid command line."));
- help();
- return EXIT_FAILURE;
- }
- }
-
- if(loaded==0 && !quiet){
- warn(TR("No meters loaded."));
- return EXIT_FAILURE;
- }
-
- mainloop();
-
- return EXIT_SUCCESS;
-}
-
-
-/*EXTL_DOC
- * Inform that meter \var{name} has value \var{value}.
- */
-EXTL_EXPORT
-void statusd_inform(const char *name, const char *value)
-{
- printf("%s: %s\n", name, value);
- new_informs=TRUE;
-}
-
-
-/*EXTL_DOC
- * Get configuration table for module \var{name}
- */
-EXTL_EXPORT
-ExtlTab statusd_get_config(const char *name)
-{
- if(name==NULL){
- return extl_ref_table(configtab);
- }else{
- ExtlTab t;
- if(extl_table_gets_t(configtab, name, &t))
- return t;
- else
- return extl_create_table();
- }
-}
-
-
-/*EXTL_DOC
- * Get last file modification time.
- */
-EXTL_EXPORT
-double statusd_last_modified(const char *fname)
-{
- struct stat st;
-
- if(fname==NULL)
- return (double)(-1);
-
- if(stat(fname, &st)!=0){
- /*warn_err_obj(fname);*/
- return (double)(-1);
- }
-
- return (double)(st.st_mtime>st.st_ctime ? st.st_mtime : st.st_ctime);
-}
-
-
-EXTL_EXPORT
-ExtlTab statusd_getloadavg()
-{
- ExtlTab t=extl_create_table();
- double l[3];
- int n;
-
- n=getloadavg(l, 3);
-
- if(n>=1)
- extl_table_sets_d(t, "1min", l[0]);
- if(n>=2)
- extl_table_sets_d(t, "5min", l[1]);
- if(n>=3)
- extl_table_sets_d(t, "15min", l[2]);
-
- return t;
-}
-
projects / ion3.git / blobdiff