110 lines
2.6 KiB
Bash
110 lines
2.6 KiB
Bash
#!/bin/bash
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# -*- shell-script-mode -*-
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#
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# Helpers for NBD server related config
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#
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# Copyright (C) 2018 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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nbd_unix_socket="${TEST_DIR}/qemu-nbd.sock"
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nbd_tcp_addr="127.0.0.1"
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nbd_pid_file="${TEST_DIR}/qemu-nbd.pid"
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function nbd_server_stop()
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{
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local NBD_PID
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if [ -f "$nbd_pid_file" ]; then
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read NBD_PID < "$nbd_pid_file"
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rm -f "$nbd_pid_file"
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if [ -n "$NBD_PID" ]; then
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kill "$NBD_PID"
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fi
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fi
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rm -f "$nbd_unix_socket"
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}
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function nbd_server_wait_for_unix_socket()
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{
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pid=$1
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for ((i = 0; i < 300; i++))
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do
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if [ -r "$nbd_unix_socket" ]; then
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return
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fi
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kill -s 0 $pid 2>/dev/null
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if test $? != 0
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then
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echo "qemu-nbd unexpectedly quit"
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exit 1
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fi
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sleep 0.1
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done
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echo "Failed in check of unix socket created by qemu-nbd"
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exit 1
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}
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function nbd_server_start_unix_socket()
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{
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nbd_server_stop
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$QEMU_NBD -v -t -k "$nbd_unix_socket" "$@" &
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nbd_server_wait_for_unix_socket $!
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}
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function nbd_server_set_tcp_port()
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{
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(ss --help) >/dev/null 2>&1 || _notrun "ss utility not found, skipping test"
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for ((port = 10809; port <= 10909; port++))
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do
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if ! ss -tln | grep -sqE ":$port\b"; then
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nbd_tcp_port=$port
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return
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fi
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done
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echo "Cannot find free TCP port for nbd in range 10809-10909"
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exit 1
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}
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function nbd_server_wait_for_tcp_socket()
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{
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pid=$1
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for ((i = 0; i < 300; i++))
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do
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if ss -tln | grep -sqE ":$nbd_tcp_port\b"; then
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return
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fi
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kill -s 0 $pid 2>/dev/null
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if test $? != 0
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then
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echo "qemu-nbd unexpectedly quit"
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exit 1
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fi
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sleep 0.1
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done
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echo "Failed in check of TCP socket created by qemu-nbd"
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exit 1
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}
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function nbd_server_start_tcp_socket()
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{
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nbd_server_stop
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$QEMU_NBD -v -t -b $nbd_tcp_addr -p $nbd_tcp_port "$@" &
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nbd_server_wait_for_tcp_socket $!
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}
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