bandwidthd: Add systemd unit file and install it to run at startup.

Signed-off-by: Nathaniel Roach <nroach44@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/bandwidthd/bandwidthd.mk

@@ -31,4 +31,14 @@ else
 BANDWIDTHD_CONF_OPTS += --with-sqlite-storage=false
 endif
 
+define BANDWIDTHD_INSTALL_INIT_SYSTEMD
+	$(INSTALL) -D -m 644 package/bandwidthd/bandwidthd.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/bandwidthd.service
+
+	mkdir -p $(TARGET_DIR)/etc/systemd/system/multi-user.target.wants
+
+	ln -sf /usr/lib/systemd/system/bandwidthd.service \
+		$(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/bandwidthd.service
+endef
+
 $(eval $(autotools-package))

package/bandwidthd/bandwidthd.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Bandwidth usage monitor and reporter
+After=network.target
+
+[Service]
+Type=forking
+ExecStart=/usr/bin/bandwidthd
+PIDFile=/var/run/bandwidthd.pid
+
+[Install]
+WantedBy=multi-user.target