m

4 files changed, 183 insertions, 22 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..14f8cf8
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,98 @@
+.POSIX:
+DATE         = 1970-01-01
+VERSION      = 0.1.0
+NAME         = datomic
+NAME_UC      = $(NAME)
+LANGUAGES    = en
+## Installation prefix.  Defaults to "/usr".
+PREFIX       = /usr
+BINDIR       = $(PREFIX)/bin
+SYSCONFDIR   = $(PREFIX)/etc
+LIBDIR       = $(PREFIX)/lib
+INCLUDEDIR   = $(PREFIX)/include
+SRCDIR       = $(PREFIX)/src/$(NAME)
+SHAREDIR     = $(PREFIX)/share
+LOCALEDIR    = $(SHAREDIR)/locale
+MANDIR       = $(SHAREDIR)/man
+EXEC         = ./
+## Where to store the installation.  Empty by default.
+DESTDIR      =
+LDLIBS       =
+
+
+
+.SUFFIXES:
+.SUFFIXES: .in
+
+.in:
+	sed \
+		-e 's:@SYSCONFDIR@:$(SYSCONFDIR):g' \
+		< $< > $@
+	if [ -x $< ]; then chmod +x $@; fi
+
+
+
+all:
+include deps.mk
+
+
+sources = \
+	$(sources.sh)                  \
+
+
+derived-assets = \
+	bin/transactor                 \
+
+side-assets = \
+
+
+
+## Default target.  Builds all artifacts required for testing
+## and installation.
+all: $(derived-assets)
+
+
+
+check-unit:
+
+
+check-integration:
+
+
+## Run all tests.  Each test suite is isolated, so that a parallel
+## build can run tests at the same time.  The required artifacts
+## are created if missing.
+check: check-unit check-integration
+
+
+
+## Remove *all* derived artifacts produced during the build.
+## A dedicated test asserts that this is always true.
+clean:
+	rm -rf $(derived-assets) $(side-assets)
+
+
+## Installs into $(DESTDIR)$(PREFIX).  Its dependency target
+## ensures that all installable artifacts are crafted beforehand.
+install: all
+	mkdir -p \
+		'$(DESTDIR)$(BINDIR)'     \
+		'$(DESTDIR)$(SRCDIR)'     \
+
+	cp $(sources.sh)     '$(DESTDIR)$(BINDIR)'
+	cp $(sources.sh)     '$(DESTDIR)$(SRCDIR)'
+
+
+## Uninstalls from $(DESTDIR)$(PREFIX).  This is a perfect mirror
+## of the "install" target, and removes *all* that was installed.
+## A dedicated test asserts that this is always true.
+uninstall:
+	rm -rf \
+		'$(DESTDIR)$(SRCDIR)'     \
+
+	for f in $(sources.sh); do \
+		rm -f '$(DESTDIR)$(BINDIR)'/"$${f#src/}"; \
+	done
+
+
+ALWAYS:
diff --git a/bin/transactor b/bin/transactor
deleted file mode 100755
index 54c7b0d..0000000
--- a/bin/transactor
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/sh
-set -euo pipefail
-
-sqlite3 storage.db < etc/init.sql
-mkdir -p tmp cache
-
-exec java \
-	-server \
-	-Djava.security.manager=allow \
-	-Ddatomic.valcachePath=cache2 \
-	-Ddatomic.valcacheMaxGb=100 \
-	-Xms4g \
-	-Xmx4g \
-	-XX:+UseG1GC \
-	-XX:MaxGCPauseMillis=50 \
-	--class-path 'etc/:lib/*' \
-	clojure.main \
-	--main datomic.launcher \
-	etc/transactor.properties
diff --git a/bin/transactor.in b/bin/transactor.in
new file mode 100755
index 0000000..c47f2c7
--- /dev/null
+++ b/bin/transactor.in
@@ -0,0 +1,79 @@
+#!/bin/sh
+set -euo pipefail
+
+
+usage() {
+	cat <<-'EOF'
+		Usage:
+		  transactor [-p PORT] FILE
+	EOF
+}
+
+
+
+VALCACHESIZE=
+PORT=50200
+CACHEDIR='cache'
+TEMPDATADIR='tmp'
+while getopts 'p:C:S:T:' flag; do
+	case "$flag" in
+		(p)
+			PORT="$OPTARG"
+			;;
+		(C)
+			CACHEDIR="$OPTARG"
+			;;
+		(S)
+			VALCACHESIZE="$OPTARG"
+			;;
+		(T)
+			TEMPDATADIR="$OPTARG"
+			;;
+		(*)
+			usage >&2
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+
+if [ -z "${1:-}" ]; then
+	echo 'Missing FILE.' >&2
+	usage >&2
+	exit 2
+fi
+FILE="$1"
+
+
+
+if [ -z "$VALCACHESIZE" ]; then
+	VALCACHESIZE="$(
+		df -Pk "$FILE" |
+			tail -n1 |
+			awk '{printf "%.0f\n", $2 / (1024 * 1024)}'
+	)"
+fi
+
+sqlite3 "$FILE" < @SYSCONFDIR@/init.sql >&2
+
+set -x
+exec java \
+	-server \
+	-Djava.security.manager=allow \
+	-Xms4g \
+	-Xmx4g \
+	-XX:+UseG1GC \
+	-XX:MaxGCPauseMillis=50 \
+	--class-path 'etc/:lib/*' \
+	clojure.main \
+	--main datomic.launcher \
+	<(
+		sed \
+			-e "s|@PORT@|$PORT|g"                 \
+			-e "s|@FILE@|$FILE|g"                 \
+			-e "s|@CACHEDIR@|$CACHEDIR|g"         \
+			-e "s|@TEMPDATADIR@|$TEMPDATADIR|g"   \
+			-e "s|@VALCACHESIZE@|$VALCACHESIZE|g" \
+			@SYSCONFDIR@/transactor.properties.tmpl |
+				tee /dev/stderr
+	)
diff --git a/etc/transactor.properties b/etc/transactor.properties.tmpl
index 28a05be..0037c35 100644
--- a/etc/transactor.properties
+++ b/etc/transactor.properties.tmpl
@@ -1,10 +1,13 @@
 protocol=sql
 host=localhost
-port=50200
+port=@PORT@
 encrypt-channel=false
 sql-driver-class=org.sqlite.JDBC
-sql-url=jdbc:sqlite:storage.db
-data-dir=tmp
+sql-url=jdbc:sqlite:@FILE@
+data-dir=@TEMPDATADIR@
+
+valcache-path=@CACHEDIR@
+valcache-max-gb=@VALCACHESIZE@
 
 # 4GiB VM
 memory-index-threshold=32m