Q          := @

ifeq ($(Q),@)
  MSG      := echo
else
  MSG      := true
endif
QMSG       := @$(MSG)

SOURCEPATH := $(TOP_DIR)/src
OUTPATH    := $(TOP_DIR)/classes
JAVA       := $(shell find $(SOURCEPATH) -name "*.java")
CLASSES    := $(subst $(SOURCEPATH),$(OUTPATH),$(patsubst %.java,%.class,$(JAVA)))
CLASSPATH  := $(OUTPATH):$(TOP_DIR)/lib/junit4-4.3.1.jar

##################################################################
# Compiling
#

.PHONY: classes
# The funky dependency prevents make from trying to build each class
# individually, since the build process for one class actually builds
# all fo them.
classes: $(word 1,$(CLASSES))

$(CLASSES): $(JAVA)
	$(Q) if [[ ! -d $(OUTPATH) ]]; then \
	  $(MSG) '[   mkdir]' $(OUTPATH); mkdir $(OUTPATH); \
	fi
	$(Q) for c in `find $(OUTPATH) -name "*.class"`; do \
	  if ! echo $(CLASSES) | grep -q `echo $$c | sed -e 's/$$.*\.class/.class/'`; then \
	    $(MSG) '[      rm]' $$c; rm $$c; \
	  fi; \
	done
#	$(QMSG) '[   javac]' $(JAVA:$(SOURCEPATH)/%=%)
	$(QMSG) '[   javac]' '**/*.java'
	$(Q) javac -sourcepath $(SOURCEPATH) \
	      -d $(OUTPATH) \
	      -classpath $(CLASSPATH) \
	      -Xlint:unchecked,deprecation \
	      -g \
	      $(JAVA)

##################################################################
# Running
#

.PHONY: bsh
bsh: classes
	CLASSPATH=$(CLASSPATH) bsh

.PHONY: test
test: classes
	$(Q) \
	set -e; \
	PKG=$$(PKG=; \
	     SPWD=$$PWD; \
	     while [[ ! $$PWD -ef $$SPWD/$(SOURCEPATH) ]]; do \
	       if [[ $$PWD -ef / ]]; then PKG=/; break; fi; \
	       PKG=`basename $$PWD`.$$PKG; cd ..; \
	     done; \
	     echo $$PKG); \
	ROOT=; \
	if [[ $$PKG == / ]]; then cd src; ROOT=true; PKG=; fi; \
	TESTS=`find . -name "*Test.java" | sed "s,./,$$PKG, ; s,/,.,g ; s,\\.java,,"`; \
	$(MSG) '[   junit]' $$TESTS; \
	if [[ $$ROOT == true ]]; then cd ..; fi; \
	java -ea -classpath $(CLASSPATH) anastore.util.JUnitRunner $$TESTS

.PHONY: testauspex
testauspex: classes
	java -ea -cp $(CLASSPATH) -XX:+PrintGC \
	  traces.Auspex $(TOP_DIR)/traces/auspex/short.gz

##################################################################
# Auspex traces
#

AUSPEX_JAVA_ARGS=-ea -cp $(CLASSPATH) -Xmx512m
AUSPEX_FILE=$(TOP_DIR)/traces/auspex/short.gz
AUSPEX_ARGS=$(AUSPEX_FILE) 20000-oc-retry-ro-2.0

.PHONY: runauspex
runauspex: classes
	rm -rf /tmp/anastore-cache
	java $(AUSPEX_JAVA_ARGS) traces.TraceRunner $(AUSPEX_ARGS)

.PHONY: runauspex-hprof
runauspex-hprof: classes
	rm -rf /tmp/anastore-cache
	java $(AUSPEX_JAVA_ARGS) -Xrunhprof:heap=dump,format=b \
	  traces.TraceRunner $(AUSPEX_ARGS)

.PHONY: runauspex-pprof
runauspex-pprof: classes
	rm -rf /tmp/anastore-cache
	java $(AUSPEX_JAVA_ARGS) -Xrunhprof:cpu=samples \
	  traces.TraceRunner $(AUSPEX_ARGS)

.PHONY: runauspex-debug
runauspex-debug: classes
	rm -rf /tmp/anastore-cache
	java $(AUSPEX_JAVA_ARGS) \
	  -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=y \
	  traces.TraceRunner $(AUSPEX_ARGS)

##################################################################
# Report
#

REPORT_DIR=$(TOP_DIR)/doc/report

-include $(REPORT_DIR)/.deps

$(REPORT_DIR)/report.pdf:
	$(QMSG) '[  rubber] report.tex'
	$(Q) cd $(REPORT_DIR) && rubber --pdf -Wrefs -Wmisc report.tex
	$(QMSG) '[  rubber] report.tex deps'
	$(Q) cd $(REPORT_DIR) && \
	  rubber-info --pdf --deps report.tex | \
	  awk '{print "$$(TOP_DIR)/doc/report/report.pdf: " $$0; \
	        for(i=1; i<=NF; i++) print $$i ":" }' > .deps

.PHONY: reportdata
reportdata: \
	$(REPORT_DIR)/data/stats-50000-oc-retry-ro-2.0 \
	$(REPORT_DIR)/data/stats-50000-oc-retry-rw

$(REPORT_DIR)/data/stats-%: classes
	rm -rf /tmp/anastore-cache
	java $(AUSPEX_JAVA_ARGS) traces.TraceRunner $(AUSPEX_FILE) $* $@ 2>&1 | \
	  tee $(REPORT_DIR)/data/log-$*

##################################################################
# Misc
#

.PHONY: javadoc
javadoc:
	$(QMSG) '[ javadoc]' '-package' '**/*.java'
	$(Q) javadoc -classpath $(CLASSPATH) \
	  -d $(TOP_DIR)/doc/javadoc -package \
	  $(JAVA)

.PHONY: clean
clean:
	rm -rf $(OUTPATH)