make.sh: Introduce DEFAULT_PARALLELISM
[ipfire-2.x.git] / src / installer / start-networking.sh
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1#!/bin/bash
2###############################################################################
3# #
4# IPFire.org - A linux based firewall #
5# Copyright (C) 2014 IPFire Team <info@ipfire.org> #
6# #
7# This program is free software: you can redistribute it and/or modify #
8# it under the terms of the GNU General Public License as published by #
9# the Free Software Foundation, either version 3 of the License, or #
10# (at your option) any later version. #
11# #
12# This program is distributed in the hope that it will be useful, #
13# but WITHOUT ANY WARRANTY; without even the implied warranty of #
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15# GNU General Public License for more details. #
16# #
17# You should have received a copy of the GNU General Public License #
18# along with this program. If not, see <http://www.gnu.org/licenses/>. #
19# #
20###############################################################################
21
22function list_interfaces() {
23 local interface
24
25 for interface in /sys/class/net/*; do
26 [ -d "${interface}" ] || continue
27
28 interface="$(basename ${interface})"
29 case "${interface}" in
30 eth*)
31 echo "${interface}"
32 ;;
33 esac
34 done
35}
36
37function try_dhcp() {
38 local interface="${1}"
39
40 # Bring up the interface
41 ip link set "${interface}" up
42
43 # Try to make the lights of the adapter light up
44 ethtool -i "${interface}" &>/dev/null
45
46 # Start the DHCP client
47 dhcpcd "${interface}"
48}
49
50function main() {
51 local interface
52 for interface in $(list_interfaces); do
53 if ! try_dhcp "${interface}"; then
54 echo "Could not acquire an IP address on ${interface}"
55 continue
56 fi
57
58 echo "Successfully started on ${interface}"
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59
60 # Wait until everything is settled
61 sleep 15
62
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63 return 0
64 done
65
66 return 1
67}
68
69main