The work on the charts has begun
git-svn-id: file:///home/jan/tmp/wetterstation/trunk@61 dd492736-c11a-0410-ad51-8c26713eaf7f
This commit is contained in:
losinshi
parent
af39b38f32
commit
444f1a4f30
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@ -0,0 +1,75 @@
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CC = gcc
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LD = gcc
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RM = rm
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CFLAGS = -c
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LDFLAS = -o
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INCL = -I$$(pg_config --includedir)
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BIN_NAME = chart
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OBJS = chart.o config.o
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CONF_NAME = chart.conf
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INSTDIR = /usr/bin/
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CONFDIR = /etc/
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INSTGRP = losinski
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INSTUSR = losinski
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DESTDIR = /home/losinski
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# Alles bauen
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all: $(BIN_NAME)
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# $(MAKE) cleanup
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# Binary Linken
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$(BIN_NAME): $(OBJS)
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@ echo Linke: $(LD) $(DEBUG) $(NOLOG) -L$$(pg_config --libdir)/pgsql -lesmtp -lssl -lpq $(LDFLAS) $(BIN_NAME) $(OBJS)
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@ $(LD) $(DEBUG) $(NOLOG) -L$$(pg_config --libdir)/pgsql -lesmtp -lssl -lpq $(LDFLAS) $(BIN_NAME) $(OBJS)
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@ echo Binary $(BIN_NAME) ist fertig!
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# Abhängigkeiten
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chart.o: chart.c definitions.h config.h chart.h
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config.o: config.c config.h definitions.h chart.h
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# Compillieren
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$(OBJS):
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@ echo "Kompilliere: "$(CC) $(DEBUG) $(NOLOG) $(INCL) $(CFLAGS) $*.c
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@ $(CC) $(DEBUG) $(NOLOG) $(INCL) $(CFLAGS) $*.c
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# Programm mit debug-ausgabe bauen
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debug:
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@ echo "baue Version mit Debugoutput ..."
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@ $(MAKE) all DEBUG=-DDEBUG
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# Installieren
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install:
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@ echo "kopiere $(BIN_NAME) nach $(DESTDIR)$(INSTDIR)"
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@ mkdir -p $(DESTDIR)$(INSTDIR); \
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cp $(BIN_NAME) $(DESTDIR)$(INSTDIR)
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@ echo "setze Rechte auf $(BIN_NAME)"
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@ cd $(DESTDIR)$(INSTDIR); \
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chmod 755 $(BIN_NAME); \
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chgrp $(INSTGRP) $(BIN_NAME); \
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chown $(INSTUSR) $(BIN_NAME)
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@ echo "kopiere $(CONF_NAME) nach $(DESTDIR)$(CONFDIR)"
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@ mkdir -p $(DESTDIR)$(CONFDIR); \
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cp $(CONF_NAME) $(DESTDIR)$(CONFDIR)
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@ echo "setze Rechte auf $(CONF_NAME)"
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@ cd $(DESTDIR)$(CONFDIR); \
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chmod 755 $(CONF_NAME); \
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chgrp $(CONFGRP) $(CONF_NAME); \
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chown $(CONFUSR) $(CONF_NAME)
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# Aufräumnen (alle Object-Files löschen)
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cleanup:
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@ echo "Räume auf..."
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@ echo "...entferne Object-Files:"
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@ echo " " $(OBJS)
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@ $(RM) -f $(OBJS)
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clean: cleanup
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@ echo "...lösche binary:"
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@ echo " " $(BIN_NAME)
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@ rm -f $(BIN_NAME)
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@ -0,0 +1,100 @@
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/*
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chart.c -- Part of Chart-generator for the weatherstation
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Copyright (C) 2006 Jan Losinski
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <errno.h>
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#include <signal.h>
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#include <string.h>
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#include "definitions.h"
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#include "config.h"
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#include "chart.h"
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static void exit_sig_handler(int);
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config global_opts;
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int main(int argc, char *argv[]){
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DEBUGOUT1("Programm gestartet\n");
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if(signal(SIGABRT, exit_sig_handler) == SIG_ERR)
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exit_error(ERROR_SEIINST);
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DEBUGOUT1("Signalhandler zum beenden per SIGABRT installiert\n");
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if(signal(SIGINT, exit_sig_handler) == SIG_ERR)
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exit_error(ERROR_SEIINST);
|
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DEBUGOUT1("Signalhandler zum beenden per SIGINT installiert\n");
|
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if(signal(SIGQUIT, exit_sig_handler) == SIG_ERR)
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exit_error(ERROR_SEIINST);
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DEBUGOUT1("Signalhandler zum beenden per SIGQUIT installiert\n");
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if(signal(SIGTERM, exit_sig_handler) == SIG_ERR)
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exit_error(ERROR_SEIINST);
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DEBUGOUT1("Signalhandler zum beenden per SIGTERM installiert\n");
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read_config(DEFAULT_CONFIG_FILE, 1);
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|
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/* Debug-Ausgaben, um zu sehen, ob die Optionen richtig gesetzt werden */
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DEBUGOUT1("\nOptionen:\n");
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DEBUGOUT2(" cfg_location = %s\n", global_opts.image_cfg_location);
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DEBUGOUT2(" fork = %i\n", global_opts.fork);
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DEBUGOUT1("\nPostgres:\n");
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DEBUGOUT2(" Host: = %s\n",global_opts.pg_host);
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DEBUGOUT2(" User: = %s\n",global_opts.pg_user);
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DEBUGOUT2(" Pass: = %s\n",global_opts.pg_pass);
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DEBUGOUT2(" Datenbank = %s\n",global_opts.pg_database);
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return EXIT_SUCCESS;
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}
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/* Diese Funktion beendet das Programm mit einer Fehlermeldung. */
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void exit_error(char* err){
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DEBUGOUT1("\nEtwas unschoenes ist passiert\n");
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if(errno != 0){
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perror("Fehler");
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}
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write(STDOUT_FILENO, err, strlen(err));
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exit(1);
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}
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/* Wird bei Beendigungssignalen ausgefuehrt */
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static void exit_sig_handler(int signr){
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#ifdef DEBUG
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DEBUGOUT1("\n");
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switch (signr){
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case SIGABRT:
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DEBUGOUT1("SIGABRT Interupt erhalten!\n");
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case SIGTERM:
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DEBUGOUT1("SIGTERM Interupt erhalten!\n");
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case SIGQUIT:
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DEBUGOUT1("SIGQUIT Interupt erhalten!\n");
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case SIGINT:
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DEBUGOUT1("SIGINT Interupt erhalten!\n");
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}
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#endif
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DEBUGOUT1("Beende Programm...\n");
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exit(0);
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}
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@ -0,0 +1,10 @@
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fork yes
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image_cfg bla
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image_cfg_location blub/
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# Postgres-Einstellungen
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pg_host 141.30.228.39
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pg_user losinshi
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#pg_pass
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pg_database wetter
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@ -0,0 +1,46 @@
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/*
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chart.h -- Part of Chart-generator for the weatherstation
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||||
|
||||
Copyright (C) 2006 Jan Losinski
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||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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||||
|
||||
*/
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typedef struct image_cfg_list_t *image_cfg_list_ptr;
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typedef struct image_cfg_list_t {
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char *image_cfg_file;
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image_cfg_list_ptr next;
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} image_cfg_list;
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typedef struct config_t {
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char *pg_host;
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char *pg_database;
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char *pg_user;
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char *pg_pass;
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char *image_cfg_location;
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image_cfg_list_ptr image_cfg;
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int fork;
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} config;
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extern config global_opts;
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/* Funktionen -------------------------------------------------------------*/
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/* Programm mit einem Fatalem Fehler beenden.
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* Argument: Fehlermeldung */
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void exit_error(char*);
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@ -0,0 +1,179 @@
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/*
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config.c -- Part of Chart-generator for the weatherstation
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Copyright (C) 2006 Jan Losinski
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||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
|
||||
*/
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||||
|
||||
/*
|
||||
* Wenn mehr kommentare benoetigt werden:
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||||
* losinski@wh2.tu-dresden.de
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||||
* */
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||||
|
||||
|
||||
#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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||||
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||||
#include "config.h"
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#include "definitions.h"
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#include "chart.h"
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/* Funktionsdefinitionen */
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static int read_int(const char *, void *);
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static int read_yn(const char *, void *);
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static int add_image_cfg(const char *, void *);
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static int read_str(const char *, void *);
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||||
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||||
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/* Zuordnung zwischen Schlüsselwörtern in der Config, Der Funktion, die diese auswertet
|
||||
* und dem eld in der Options-Struktur */
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||||
static const struct config_keyword keywords[] = {
|
||||
/* keyword handler variable address default */
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{"fork", read_yn, &(global_opts.fork), ""},
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{"image_cfg", add_image_cfg, &(global_opts.image_cfg), ""},
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||||
{"image_cfg_location",read_str, &(global_opts.image_cfg_location), DEFAULT_PG_HOST},
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||||
|
||||
{"pg_host", read_str, &(global_opts.pg_host), DEFAULT_PG_HOST},
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||||
{"pg_user", read_str, &(global_opts.pg_user), DEFAULT_PG_USER},
|
||||
{"pg_pass", read_str, &(global_opts.pg_pass), DEFAULT_PG_PASS},
|
||||
{"pg_database", read_str, &(global_opts.pg_database), DEFAULT_PG_DATABASE},
|
||||
{"", NULL, NULL, ""}
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||||
};
|
||||
|
||||
|
||||
/* Implementierungen */
|
||||
|
||||
|
||||
/* Liest eine Option (line) als String und speichert diese in
|
||||
* dem entsprechendem Feld der Optionen-Struktur (arg) */
|
||||
static int read_str(const char *line, void *arg){
|
||||
char **dest = arg;
|
||||
if (*dest) free(*dest);
|
||||
*dest = strdup(line);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
/* Interval lesen, indem die Sensoren das letzte mal etwas gesendet haben sollen */
|
||||
static int read_int(const char *line, void *arg){
|
||||
int *dest = arg;
|
||||
*dest = atoi(line);
|
||||
}
|
||||
|
||||
/* lesen, ob id's aus der Datenbank gelesen werden sollen oder nicht */
|
||||
static int read_yn(const char *line, void *arg){
|
||||
char *dest = arg;
|
||||
int retval = 1;
|
||||
if (!strcasecmp("yes", line))
|
||||
*dest = 1;
|
||||
else if (!strcasecmp("no", line))
|
||||
*dest = 0;
|
||||
else retval = 0;
|
||||
return retval;
|
||||
}
|
||||
|
||||
/* fuegt eine id zur liste hinzu */
|
||||
static int add_image_cfg(const char *line, void *arg){
|
||||
image_cfg_list_ptr cfg_new, cfg_temp;
|
||||
|
||||
cfg_new = malloc(sizeof(image_cfg_list));
|
||||
cfg_new->next = NULL;
|
||||
cfg_new->image_cfg_file = strdup(line);
|
||||
|
||||
DEBUGOUT2("add cfg: %s\n", line);
|
||||
|
||||
cfg_temp = *((image_cfg_list_ptr*)arg);
|
||||
if (cfg_temp == NULL){
|
||||
cfg_temp = cfg_new;
|
||||
*((image_cfg_list_ptr*)arg) = cfg_temp;
|
||||
} else {
|
||||
while (cfg_temp->next != NULL){
|
||||
cfg_temp = cfg_temp->next;
|
||||
}
|
||||
cfg_temp->next = cfg_new;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/* Liest und verarbeitet die Config-File
|
||||
* der Integer reset gibt an, ob zu begin defaultwerte
|
||||
* gesetzt werden sollen oder nicht */
|
||||
int read_config(const char *file, int reset){
|
||||
FILE *in; /* File-Handler */
|
||||
char buffer[CONFIG_BUFFERSIZE], *token, *line; /* Puffer zum lesen der config-file (imer 1 Zeile)*/
|
||||
char orig[CONFIG_BUFFERSIZE]; /* Originalpuffer zum lesen der config-file, um die Log und debug-ausgabe zu realisieren */
|
||||
int i; /* Laufvariable */
|
||||
int lm = 0; /* Zeilen-Nummer */
|
||||
|
||||
|
||||
/* Optionen mit default-werten füllen */
|
||||
if(reset){
|
||||
for (i = 0; keywords[i].keyword[0]; i++)
|
||||
//printf("keyword: %s \n",keywords[i].keyword);
|
||||
if (keywords[i].def[0])
|
||||
keywords[i].handler(keywords[i].def, keywords[i].var);
|
||||
}
|
||||
|
||||
/* config-file öffnen */
|
||||
if (!(in = fopen(file, "r"))) {
|
||||
DEBUGOUT2("Kann Config-File: %s nicht öffnen!\n", file);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Datei Zeilenweise lesen */
|
||||
while (fgets(buffer, CONFIG_BUFFERSIZE, in)) {
|
||||
lm++;
|
||||
|
||||
/* Zeilenvorschübe gegen null-terminierungs-Zeichen ersetzen */
|
||||
if (strchr(buffer, '\n')) *(strchr(buffer, '\n')) = '\0';
|
||||
|
||||
/* Originlzeile für eventuelle log-, bzw. debug-meldungen */
|
||||
strcpy(orig, buffer);
|
||||
|
||||
/* Kommentazeichen gegen null-terminierungs-Zeichen ersetzen und damit alles dahinter ignorieren */
|
||||
if (strchr(buffer, '#')) *(strchr(buffer, '#')) = '\0';
|
||||
|
||||
|
||||
if (!(token = strtok(buffer, " \t"))) continue;
|
||||
if (!(line = strtok(NULL, ""))) continue;
|
||||
|
||||
/* eat leading whitespace */
|
||||
line = line + strspn(line, " \t=");
|
||||
/* eat trailing whitespace */
|
||||
for (i = strlen(line); i > 0 && isspace(line[i - 1]); i--);
|
||||
line[i] = '\0';
|
||||
|
||||
for (i = 0; keywords[i].keyword[0]; i++){
|
||||
if (!strcasecmp(token, keywords[i].keyword)){
|
||||
if (!keywords[i].handler(line, keywords[i].var)) {
|
||||
/* Fehler ins Logfile schreiben */
|
||||
DEBUGOUT4("Kann '%s' nicht Parsen (%s:%d)!\n", orig, file, lm);
|
||||
/* reset back to the default value */
|
||||
keywords[i].handler(keywords[i].def, keywords[i].var);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
fclose(in);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
/*
|
||||
|
||||
config.h -- Part of Chart-generator for the weatherstation
|
||||
|
||||
Copyright (C) 2006 Jan Losinski
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
|
||||
$Id: process.c v 1.00 11 Aug 2006 losinski $
|
||||
*/
|
||||
|
||||
|
||||
|
||||
|
||||
/* Datenstruktur zum Auswerten des Config-Files */
|
||||
struct config_keyword {
|
||||
const char *keyword;
|
||||
int (* const handler)(const char *line, void *var);
|
||||
void *var;
|
||||
const char *def;
|
||||
} ;
|
||||
|
||||
/* Config lesen */
|
||||
int read_config(const char *, int);
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
/*
|
||||
|
||||
weatherdeamon -- Weather Data Capture Program for the
|
||||
'ELV-PC-Wettersensor-Empfänger'
|
||||
definitions.h -- Part of the weatherdeamon
|
||||
|
||||
Copyright (C) 2006 Jan Losinski
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
|
||||
$Id: process.c v 1.00 11 Aug 2006 losinski $
|
||||
*/
|
||||
|
||||
/* Default-Werte ----------------------------------------------------- */
|
||||
#define DEFAULT_PG_HOST "localhost" /* Postgres-host */
|
||||
#define DEFAULT_PG_USER "localuser" /* Postgres-Username */
|
||||
#define DEFAULT_PG_PASS "" /* Postgres-Passwort */
|
||||
#define DEFAULT_PG_DATABASE "localbase" /* Postgres-Datenbank */
|
||||
#define DEFAULT_CONFIG_FILE "./chart.conf" /* Standart-Configdatei */
|
||||
|
||||
|
||||
|
||||
/*Alle möglichen Definitionen, die in allen code-schnipseln benötigt werden*/
|
||||
|
||||
|
||||
/* Fehlermeldungen ------------------------------------------------------*/
|
||||
#define ERROR_SEIINST "Signal-Fehler: Kann Signalhandler zum beenden nicht installieren\n"
|
||||
|
||||
|
||||
/* Puffergrößen -------------------------------------------------------- */
|
||||
#define CONFIG_BUFFERSIZE 512 /* Größe des Puffers zum Config-einlesen */
|
||||
#define QUERY_BUFFERSIZE 512 /* Größe des Zeichenpuffers für SQL-Anfragen */
|
||||
|
||||
|
||||
/* Verschiedenes ------------------------------------------------------- */
|
||||
#define FALSE 0
|
||||
#define TRUE 1
|
||||
|
||||
|
||||
/* Debug --------------------------------------------------------------- */
|
||||
#ifdef DEBUG
|
||||
#define DEBUGOUT1(x) fprintf(stderr,x)
|
||||
#define DEBUGOUT2(x,y) fprintf(stderr,x,y)
|
||||
#define DEBUGOUT3(x,y,z) fprintf(stderr,x,y,z)
|
||||
#define DEBUGOUT4(x,y,z,a) fprintf(stderr,x,y,z,a)
|
||||
#define DEBUGOUT5(x,y,z,a,b) fprintf(stderr,x,y,z,a,b)
|
||||
#define FOR(x) for(x)
|
||||
#else
|
||||
#define DEBUGOUT1(x)
|
||||
#define DEBUGOUT2(x,y)
|
||||
#define DEBUGOUT3(x,y,z)
|
||||
#define DEBUGOUT4(x,y,z,a)
|
||||
#define DEBUGOUT5(x,y,z,a,b)
|
||||
#define FOR(x)
|
||||
#endif
|
||||
|
||||
/* Dumping der Daten --------------------------------------------------- */
|
||||
#ifndef NO_LOGING
|
||||
#define LOG_DATA(x,y) log_data(x.y)
|
||||
#define LOG_ERROR(x) log_error(x)
|
||||
#else
|
||||
#define LOG_DATA(x,y)
|
||||
#define LOG_ERROR(x)
|
||||
#endif
|
||||
|
|
@ -0,0 +1,23 @@
|
|||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/wait.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int main(){
|
||||
int i;
|
||||
pid_t p;
|
||||
for(i=0; i<2; i++){
|
||||
if((p = fork()) == 0){
|
||||
sleep(10);
|
||||
exit(0);
|
||||
}
|
||||
sleep(1);
|
||||
printf("Process %i created\n",p);
|
||||
}
|
||||
while((p = wait(&i))!=-1){
|
||||
printf("pid: %i\n",p);
|
||||
}
|
||||
printf("alle Prozesse beendet\n");
|
||||
exit(0);
|
||||
}
|
||||
Loading…
Reference in New Issue