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socket-uart: provide uart, kline and lin serial interfaces from one recipe 

Start systemd services for providing serial interfaces of remote machine:
- UART (ttyUM0)
- KLINE (ttyUM1)
- LIN (ttyUM2)

Caution: UserModule connection settings are hardcoded within the services!
BugzID: 56441

Signed-off-by: Ramon Moesching <ramon.moesching@netmodule.com>
This commit is contained in:
Ramon Moesching 2019-03-29 14:59:58 +01:00 committed by Alexandre Bard
parent 3c9a5b02d3
commit 6a94f1fbfa
7 changed files with 132 additions and 36 deletions
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25
recipes-extended/socket-uart/files/socat-socket-kline Normal file
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@ -0,0 +1,25 @@
#!/bin/sh
ping $SOCAT_SOCKET_KLINE_IP -w 3 -c 1
if [ $? -eq 0 ]
then
if [ -x "$(command -v socat)" ]; then
echo "start listening socket-uart services with server IP $SOCAT_SOCKET_KLINE_IP on port $SOCAT_SOCKET_KLINE_PORT"
cmd='socat -s pty,link=/dev/ttyUM1,raw,echo=0,b19200 tcp:$SOCAT_SOCKET_KLINE_IP:$SOCAT_SOCKET_KLINE_PORT'
if [[ -n $SOCAT_SOCKET_KLINE_MSS ]]; then
eval $cmd,mss=$SOCAT_SOCKET_KLINE_MSS
else
eval $cmd
fi
else
echo "socat command not available on your target or environment"
# return 1 so that systemd knows the service failed to start
exit 1
fi
fi
exit 1

25
recipes-extended/socket-uart/files/socat-socket-lin Normal file
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@ -0,0 +1,25 @@
#!/bin/sh
ping $SOCAT_SOCKET_LIN_IP -w 3 -c 1
if [ $? -eq 0 ]
then
if [ -x "$(command -v socat)" ]; then
echo "start listening socket-uart services with server IP $SOCAT_SOCKET_LIN_IP on port $SOCAT_SOCKET_LIN_PORT"
cmd='socat -s pty,link=/dev/ttyUM2,raw,echo=0 tcp:$SOCAT_SOCKET_LIN_IP:$SOCAT_SOCKET_LIN_PORT'
if [[ -n $SOCAT_SOCKET_LIN_MSS ]]; then
eval $cmd,mss=$SOCAT_SOCKET_LIN_MSS
else
eval $cmd
fi
else
echo "socat command not available on your target or environment"
# return 1 so that systemd knows the service failed to start
exit 1
fi
fi
exit 1

11
recipes-extended/socket-uart/files/socat-socket-uart
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@ -1,4 +1,10 @@
#!/bin/sh -
#!/bin/sh
ping $SOCAT_SOCKET_UART_IP -w 3 -c 1
if [ $? -eq 0 ]
then
if [ -x "$(command -v socat)" ]; then
echo "start listening socket-uart services with server IP $SOCAT_SOCKET_UART_IP on port $SOCAT_SOCKET_UART_PORT"
cmd='socat -s pty,link=/dev/ttyUM0,raw,echo=0,b115200 tcp:$SOCAT_SOCKET_UART_IP:$SOCAT_SOCKET_UART_PORT'
@ -14,3 +20,6 @@ else
# return 1 so that systemd knows the service failed to start
exit 1
fi
fi
exit 1

21
recipes-extended/socket-uart/files/socket-kline.service Normal file
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@ -0,0 +1,21 @@
[Unit]
Description=Bind kline socket with pseudo tty based on socat
[Service]
Type=simple
ExecStart=/usr/bin/socat-socket-kline
PIDFile=/var/run/socket-kline.pid
Environment=SOCAT_SOCKET_KLINE_IP='192.168.1.64' SOCAT_SOCKET_KLINE_PORT='2202' SOCAT_SOCKET_KLINE_MSS=''
ExecReload=/bin/kill -HUP $MAINPID
Restart=on-failure
RestartSec=10
[Unit]
Wants=network-online.target
After=network-online.target
[Install]
WantedBy=multi-user.target

21
recipes-extended/socket-uart/files/socket-lin.service Normal file
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@ -0,0 +1,21 @@
[Unit]
Description=Bind lin socket with pseudo tty based on socat
[Service]
Type=simple
ExecStart=/usr/bin/socat-socket-lin
PIDFile=/var/run/socket-lin.pid
Environment=SOCAT_SOCKET_LIN_IP='192.168.1.64' SOCAT_SOCKET_LIN_PORT='2200' SOCAT_SOCKET_LIN_MSS=''
ExecReload=/bin/kill -HUP $MAINPID
Restart=on-failure
RestartSec=10
[Unit]
Wants=network-online.target
After=network-online.target
[Install]
WantedBy=multi-user.target

3
recipes-extended/socket-uart/files/socket-uart.service
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@ -6,9 +6,8 @@ Type=simple
ExecStart=/usr/bin/socat-socket-uart
PIDFile=/var/run/socket-uart.pid
#KillSignal=SIGQUIT
Environment=SOCAT_SOCKET_UART_IP='192.168.1.42' SOCAT_SOCKET_UART_PORT='2204' SOCAT_SOCKET_UART_MSS='256'
Environment=SOCAT_SOCKET_UART_IP='192.168.1.64' SOCAT_SOCKET_UART_PORT='2204' SOCAT_SOCKET_UART_MSS=''
ExecReload=/bin/kill -HUP $MAINPID
Restart=on-failure

42
recipes-extended/socket-uart/socket-uart_0.0.1.bb
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@ -7,38 +7,34 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda
SRC_URI = " \
file://socket-uart.service \
file://socat-socket-uart \
file://socket-kline.service \
file://socat-socket-kline \
file://socket-lin.service \
file://socat-socket-lin \
"
S = "${WORKDIR}"
RDEPENDS_${PN} = "socat"
# Override variable from local.conf with
# SOCAT_SOCKET_UART_DEFAULT_IP_pn-socket-uart = "6.6.6.6"
# SOCAT_SOCKET_UART_DEFAULT_PORT_pn-socket-uart = "2222"
# Don'"t set mss
# SOCAT_SOCKET_UART_DEFAULT_MSS_pn-socket-uart = ""
SOCAT_SOCKET_UART_DEFAULT_IP ??= "192.168.1.42"
SOCAT_SOCKET_UART_DEFAULT_PORT ??= "2204"
SOCAT_SOCKET_UART_DEFAULT_MSS ??= ""
SYSTEMD_SERVICE_${PN} = " \
socket-uart.service \
socket-kline.service \
socket-lin.service \
"
SYSTEMD_SERVICE_${PN} = "socket-uart.service"
do_configure() {
sed -i "s/SOCAT_SOCKET_UART_IP='192.168.1.42'/SOCAT_SOCKET_UART_IP='${SOCAT_SOCKET_UART_DEFAULT_IP}'/g" ${S}/socket-uart.service
sed -i "s/SOCAT_SOCKET_UART_PORT='2204'/SOCAT_SOCKET_UART_PORT='${SOCAT_SOCKET_UART_DEFAULT_PORT}'/g" ${S}/socket-uart.service
sed -i "s/SOCAT_SOCKET_UART_MSS='256'/SOCAT_SOCKET_UART_MSS='${SOCAT_SOCKET_UART_DEFAULT_MSS}'/g" ${S}/socket-uart.service
}
FILES_${PN} = "${systemd_unitdir}/system ${bindir} "
do_install() {
install -d ${D}/lib/systemd/system
install -m 644 ${WORKDIR}/socket-uart.service ${D}/lib/systemd/system/
install -d ${D}${systemd_unitdir}/system
install -m 644 ${WORKDIR}/socket-uart.service ${D}${systemd_unitdir}/system/
install -m 644 ${WORKDIR}/socket-kline.service ${D}${systemd_unitdir}/system/
install -m 644 ${WORKDIR}/socket-lin.service ${D}${systemd_unitdir}/system/
install -d ${D}/usr/bin/
install -m 744 ${WORKDIR}/socat-socket-uart ${D}/usr/bin/
install -d ${D}${bindir}
install -m 744 ${WORKDIR}/socat-socket-uart ${D}${bindir}
install -m 744 ${WORKDIR}/socat-socket-kline ${D}${bindir}
install -m 744 ${WORKDIR}/socat-socket-lin ${D}${bindir}
}
# Add all SOCAT_SOCKET_* variables to sstate hash calculation and force package_write_rpm exectution from scratch everytime
do_configure[vardeps] = "SOCAT_SOCKET_UART_DEFAULT_IP SOCAT_SOCKET_UART_DEFAULT_PORT SOCAT_SOCKET_UART_DEFAULT_MSS"
do_package_write_rpm[nostamp] = "1"