mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
6ac24d1a95
The `read` implementation on my system doesn't know a `-n` parameter:
tools/usb-cdc-ecm/start_network.sh: 100: read: Illegal option -n
As the command is only used to block if no terminal is started, we can
as well remove them.
105 lines
2.5 KiB
Bash
Executable File
105 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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USB_CDC_ECM_DIR="$(dirname $(readlink -f $0))"
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INTERFACE_CHECK_COUNTER=5 # 5 attempts to find usb interface
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find_interface() {
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INTERFACE=$(ls -A /sys/bus/usb/drivers/cdc_ether/*/net/ 2>/dev/null)
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INTERFACE_CHECK=$(echo -n ${INTERFACE} | head -c1 | wc -c)
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if [ ${INTERFACE_CHECK} -eq 0 -a ${INTERFACE_CHECK_COUNTER} != 0 ]; then
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# We want to have multiple opportunities to find the USB interface
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# as sometimes it can take a few seconds for it to enumerate after
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# the device has been flashed.
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sleep 1
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((INTERFACE_CHECK_COUNTER=INTERFACE_CHECK_COUNTER-1))
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find_interface
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fi
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INTERFACE=${INTERFACE%/}
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}
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echo "Waiting for network interface."
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find_interface
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if [ ${INTERFACE_CHECK} -eq 0 ]; then
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echo "Unable to find network interface"
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exit 1
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else
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echo "Found interface: ${INTERFACE}"
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fi
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setup_interface() {
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sysctl -w net.ipv6.conf.${INTERFACE}.forwarding=1
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sysctl -w net.ipv6.conf.${INTERFACE}.accept_ra=0
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ip link set ${INTERFACE} up
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ip a a fe80::1/64 dev ${INTERFACE}
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ip a a fd00:dead:beef::1/128 dev lo
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ip route add ${PREFIX} via fe80::2 dev ${INTERFACE}
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}
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cleanup_interface() {
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ip a d fe80::1/64 dev ${INTERFACE}
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ip a d fd00:dead:beef::1/128 dev lo
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ip route del ${PREFIX} via fe80::2 dev ${INTERFACE}
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}
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cleanup() {
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echo "Cleaning up..."
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cleanup_interface
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if [ -n "${UHCPD_PID}" ]; then
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kill ${UHCPD_PID}
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fi
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if [ -n "${DHCPD_PIDFILE}" ]; then
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kill "$(cat ${DHCPD_PIDFILE})"
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rm "${DHCPD_PIDFILE}"
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fi
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trap "" INT QUIT TERM EXIT
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}
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start_uhcpd() {
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${UHCPD} ${INTERFACE} ${PREFIX} > /dev/null &
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UHCPD_PID=$!
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}
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start_dhcpd() {
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DHCPD_PIDFILE=$(mktemp)
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${DHCPD} -d -p ${DHCPD_PIDFILE} ${INTERFACE} ${PREFIX} 2> /dev/null
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}
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if [ "$1" = "-d" ] || [ "$1" = "--use-dhcpv6" ]; then
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USE_DHCPV6=1
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shift 1
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else
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USE_DHCPV6=0
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fi
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PREFIX=$1
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[ -z "${PREFIX}" ] && {
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echo "usage: $0 [-d|--use-dhcpv6] <prefix> [<serial-port>]"
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exit 1
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}
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if [ ! -z "$2" ]; then
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PORT=$2
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fi
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trap "cleanup" INT QUIT TERM EXIT
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setup_interface
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if [ ${USE_DHCPV6} -eq 1 ]; then
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DHCPD="$(readlink -f "${USB_CDC_ECM_DIR}/../dhcpv6-pd_ia/")/dhcpv6-pd_ia.py"
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start_dhcpd
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else
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UHCPD="$(readlink -f "${USB_CDC_ECM_DIR}/../uhcpd/bin")/uhcpd"
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start_uhcpd
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fi
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if [ -z "${PORT}" ]; then
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echo "Network enabled over CDC-ECM"
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echo "Press Return to stop"
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read dummy
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else
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${USB_CDC_ECM_DIR}/../pyterm/pyterm -p "${PORT}"
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fi
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