# Toplevel Makefile
WITH_RRD=yes

PLUGINS := ctstat diskstat hwmon load memory mount netdev random rtstat stat uptime vmstat
PLUGINS += apache mysql conntrack

DESTDIR =
BINARY_DIR = /usr/local/bin
CONFIG_DIR = /usr/local/etc
PLUGIN_DIR = /usr/local/lib/sammler
DATA_DIR = /var/lib/sammler
LOG_DIR = /var/log
WWW_DIR = /var/www
WWW_CONFIG = $(WWW_DIR)/sammler_graph.conf
WWW_OWNER = www-data

# ############################

SRC := sammler.c configfile.c event.c helper.c logging.c network.c plugins.c probe.c
CFLAGS := -O2 -Wall -MMD -fno-stack-protector -Iinclude
LDFLAGS := -ldl -rdynamic

# ############################

ifeq ("$(WITH_RRD)", "yes")
	SRC += rrdtool.c
	CFLAGS += -DWITH_RRD
	LDFLAGS += -lrrd
	TARGET = sammler
else
	TARGET = sammler_norrd
endif

# ############################

all: $(TARGET) plugins

$(TARGET): $(SRC:%.c=%.o)
	@echo " Linking file:  $@"	
	@$(CC) $(LDFLAGS) $^ -o $@

%.o: %.c
	@echo " Building file: $<"
	@$(CC) $(CFLAGS) -o $@ -c $<

.PHONY: plugins
plugins: $(PLUGINS:%=plugins/%.o) $(PLUGINS:%=plugins/%.so)

plugins/%.so: plugins/%.o
	@echo " Linking file:  $@"	
	@$(CC) $(LDFLAGS) -shared -o $@ $<

plugins/apache.so: plugins/apache.o
	@echo " Linking file:  $@"	
	@$(CC) $(LDFLAGS) -shared -o -lcurl -o $@ $<

plugins/conntrack.so: plugins/conntrack.o
	@echo " Linking file:  $@"	
	@$(CC) $(LDFLAGS) -shared -o -lnfnetlink -lnetfilter_conntrack -o $@ $<

plugins/mysql.so: plugins/mysql.o plugins/mysql_helper.o
	@echo " Linking file:  $@"	
	@$(CC) $(LDFLAGS) -shared -o -lmysqlclient -o $@ $<

install: all
	install -D -m 755 -s $(TARGET) $(DESTDIR)$(BINARY_DIR)/$(TARGET)
	install -D -m 644 sammler.conf $(DESTDIR)$(CONFIG_DIR)/sammler.conf
	sed -i -e "s:^logfile .*$$:logfile $(LOG_DIR)/sammler.log:" \
		-e "s:^rrd_dir .*$$:rrd_dir $(DATA_DIR):" \
		-e "s:^plugin_dir .*$$:plugin_dir $(PLUGIN_DIR):" \
		$(DESTDIR)$(CONFIG_DIR)/sammler.conf
	install -d -m 755 $(DESTDIR)$(PLUGIN_DIR)
	install -m 755 -s plugins/*.so $(DESTDIR)$(PLUGIN_DIR)
	install -d -m 755 $(DESTDIR)$(LOG_DIR)


ifeq ("$(WITH_RRD)", "yes")
	install -d -m 755 $(DESTDIR)$(DATA_DIR)
	install -D -m 644 sammler.php $(DESTDIR)$(WWW_DIR)/sammler.php
	sed -i -e "s:%%WWW_CONFIG%%:$(WWW_CONFIG):" \
		-e "s:%%DATA_DIR%%:$(DATA_DIR)/:" \
		$(DESTDIR)$(WWW_DIR)/sammler.php
	-install -D -m 644 -o $(WWW_OWNER) /dev/null $(DESTDIR)$(WWW_CONFIG)
else
	sed -i -e "s:^forward_only .*$$:forward_only true:" \
		$(DESTDIR)$(CONFIG_DIR)/sammler.conf
endif

clean:
	rm -rf *.d plugins/*.d *.o plugins/*.o plugins/*.so $(TARGET)

include $(shell find . -name \*.d 2> /dev/null)