P4: Production hardening — syslog, shutdown fix, output IPC

Makefile

@@ -0,0 +1,66 @@
+# OPLabs Mixer Daemon — build, install, manage
+#
+# Targets:
+#   build          — Build the daemon binary
+#   test           — Run core tests
+#   install        — Install systemd service
+#   uninstall      — Remove systemd service
+#   restart        — Restart the systemd service
+#   status         — Show service status
+#   start          — Start the service
+#   stop           — Stop the service
+#   logs           — Tail log output
+#   clean          — Clean build artifacts
+
+BUILD_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))build
+SERVICE := oplabs-mixer-daemon.service
+SERVICE_PATH := /etc/systemd/system/$(SERVICE)
+
+.PHONY: build test install uninstall restart status start stop logs clean
+
+# Build the daemon
+build:
+	@mkdir -p $(BUILD_DIR)
+	@cd $(BUILD_DIR) && cmake .. && make -j$$(nproc)
+	@echo "=== Build complete: $(BUILD_DIR)/mixer-daemon ==="
+
+# Run core tests
+test:
+	@cd $(BUILD_DIR) && ctest --output-on-failure
+
+# Install systemd service and start it
+install: $(BUILD_DIR)/mixer-daemon
+	sudo cp $(SERVICE) $(SERVICE_PATH)
+	sudo systemctl daemon-reload
+	sudo systemctl enable $(SERVICE)
+	sudo systemctl restart $(SERVICE)
+	@echo "=== Service status ==="
+	sudo systemctl status --no-pager $(SERVICE)
+
+# Remove systemd service
+uninstall:
+	sudo systemctl stop $(SERVICE) || true
+	sudo systemctl disable $(SERVICE) || true
+	sudo rm -f $(SERVICE_PATH)
+	sudo systemctl daemon-reload
+	@echo "=== Uninstalled ==="
+
+restart:
+	sudo systemctl restart $(SERVICE)
+	sudo systemctl status --no-pager $(SERVICE)
+
+status:
+	sudo systemctl status --no-pager $(SERVICE)
+
+start:
+	sudo systemctl start $(SERVICE)
+
+stop:
+	sudo systemctl stop $(SERVICE)
+
+logs:
+	sudo journalctl -u $(SERVICE) -n 100 -f
+
+clean:
+	rm -rf $(BUILD_DIR)
+	@echo "=== Cleaned ==="