Add a loadable TS.* time-series module

Dockerfile

@@ -19,7 +19,10 @@ COPY . .
 # distclean drops any host object files that slipped into the build context.
 RUN make distclean || true \
     && make -j"$(nproc)" BUILD_TLS=yes \
-    && make install BUILD_TLS=yes PREFIX=/opt/cmo
+    && make install BUILD_TLS=yes PREFIX=/opt/cmo \
+    && make -C modules/timeseries \
+    && mkdir -p /opt/cmo/lib \
+    && cp modules/timeseries/timeseries.so /opt/cmo/lib/timeseries.so
 
 FROM debian:bookworm-slim AS runtime
 
@@ -37,6 +40,7 @@ RUN apt-get update \
     && chmod 750 /data
 
 COPY --from=build /opt/cmo/bin/ /usr/local/bin/
+COPY --from=build /opt/cmo/lib/ /usr/local/lib/cmo/
 COPY deploy/valkey.conf /etc/cache-me-outside/valkey.conf
 COPY deploy/docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
 COPY deploy/healthcheck.sh /usr/local/bin/healthcheck.sh

Dockerfile.modules

@@ -29,3 +29,8 @@ FROM ${BASE}
 COPY --from=json /libjson.so /usr/local/lib/cmo-modules/libjson.so
 COPY --from=bloom /libbloom.so /usr/local/lib/cmo-modules/libbloom.so
 COPY --from=search /libsearch.so /usr/local/lib/cmo-modules/libsearch.so
+
+# From TS module PR
+# Loadable modules for the Cache Me Outside image.
+# The server image build runs this file's RUN lines from /src.
+RUN make -C /src/modules/timeseries && mkdir -p /opt/cmo/lib && cp /src/modules/timeseries/timeseries.so /opt/cmo/lib/timeseries.so

Makefile

@@ -2,6 +2,12 @@
 
 default: all
 
+# Forward every target into src/, then build loadable modules listed for the
+# image. `all` is explicit so the module is part of a normal `make`.
+all:
+	cd src && $(MAKE) all
+	$(MAKE) -C modules/timeseries
+
 .DEFAULT:
 	cd src && $(MAKE) $@
 

modules/timeseries/.gitignore

@@ -0,0 +1,3 @@
+timeseries.so
+chunk_test
+*.o

modules/timeseries/Makefile

@@ -0,0 +1,39 @@
+# Time-series module. The .so is loaded with MODULE LOAD. chunk_test is a
+# standalone compressor check and does not link the server.
+
+uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
+
+ifeq ($(uname_S),Linux)
+	SHOBJ_CFLAGS ?= -W -Wall -Wno-missing-field-initializers -fno-common -g -ggdb -std=gnu11 -O2
+	SHOBJ_LDFLAGS ?= -shared
+	LD ?= gcc
+	CC ?= gcc
+else
+	SHOBJ_CFLAGS ?= -W -Wall -Wno-missing-field-initializers -dynamic -fno-common -g -ggdb -std=gnu11 -O2
+	SHOBJ_LDFLAGS ?= -bundle -undefined dynamic_lookup
+	LD ?= $(CC)
+endif
+
+CFLAGS_MOD = -I. -I../../src $(CFLAGS) $(SHOBJ_CFLAGS) -fPIC
+
+.PHONY: all clean
+
+all: timeseries.so chunk_test
+
+chunk.o: chunk.c chunk.h
+	$(CC) $(CFLAGS_MOD) -c chunk.c -o chunk.o
+
+query.o: query.c chunk.h
+	$(CC) $(CFLAGS_MOD) -c query.c -o query.o
+
+ts.o: ts.c chunk.h
+	$(CC) $(CFLAGS_MOD) -c ts.c -o ts.o
+
+timeseries.so: ts.o chunk.o query.o
+	$(LD) -o $@ ts.o chunk.o query.o $(SHOBJ_LDFLAGS) $(LIBS) -lm
+
+chunk_test: chunk_test.c chunk.c chunk.h
+	$(CC) -I. -std=gnu11 -Wall -Wextra -O2 -g -o $@ chunk_test.c chunk.c -lm
+
+clean:
+	rm -f *.o timeseries.so chunk_test