nuttcp: add systemd unit file

Signed-off-by: Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-networking/recipes-support/nuttcp/nuttcp/nuttcp.socket

@@ -0,0 +1,9 @@
+[Unit]
+Description=Network Performance Testing Server Activation Socket
+
+[Socket]
+ListenStream=5000
+Accept=true
+
+[Install]
+WantedBy=sockets.target

meta-networking/recipes-support/nuttcp/nuttcp/nuttcp@.service

@@ -0,0 +1,8 @@
+[Unit]
+Description=Network Performance Testing Server
+After=local-fs.target
+
+[Service]
+User=nobody
+ExecStart=/usr/bin/nuttcp -S
+StandardInput=socket

meta-networking/recipes-support/nuttcp/nuttcp_8.2.2.bb

@@ -12,7 +12,9 @@ LIC_FILES_CHKSUM = "file://${BP}.c;beginline=4;endline=30;md5=496a7c0bb83c07ff52
 
 UPSTREAM_CHECK_URI = "https://www.nuttcp.net/nuttcp/beta/"
 
-SRC_URI = "http://nuttcp.net/${BPN}/beta/${BP}.c"
+SRC_URI = "http://nuttcp.net/${BPN}/beta/${BP}.c \
+           file://nuttcp@.service \
+           file://nuttcp.socket"
 SRC_URI[md5sum] = "d3c92c4d2f261221193c3726c1b9a42f"
 SRC_URI[sha256sum] = "8c5595bcd27c2fd66831be74c390df078cfb1870aa427f2511ac2586d236c8a1"
 
@@ -24,5 +26,13 @@ do_compile () {
 
 do_install () {
     install -d ${D}${bindir}
+    install -d ${D}${systemd_system_unitdir}
     install -m 0755 nuttcp ${D}${bindir}
+    install -m 0644 ${WORKDIR}/nuttcp@.service ${D}${systemd_system_unitdir}
+    install -m 0644 ${WORKDIR}/nuttcp.socket ${D}${systemd_system_unitdir}
 }
+
+FILES_${PN} += " \
+    ${bindir} \
+    ${systemd_system_unitdir} \
+"