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rtemsbsd/nfs: Add support to mount NFSv2

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- NFSv2 requires userland RPC calls to determine the version of
  NFS and the FH. This is passed to the kernel.

- Port more libc/rpc.

Update #4475
This commit is contained in:
Chris Johns
2021-08-31 18:46:37 +10:00
parent 882425fe54
commit 7e282d2506
13 changed files with 1006 additions and 109 deletions
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80
waf_libbsd.py
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@@ -287,40 +287,80 @@ class Builder(builder.ModuleManager):
if not os.path.exists(bld.env.NET_CONFIG):
bld.fatal('network configuraiton \'%s\' not found' %
(bld.env.NET_CONFIG))
tags = [
'NET_CFG_INTERFACE_0', 'NET_CFG_SELF_IP', 'NET_CFG_NETMASK',
'NET_CFG_PEER_IP', 'NET_CFG_GATEWAY_IP', 'NET_CFG_NFS_MOUNT_PATH',
'NET_CFG_NFS_MOUNT_OPTIONS'
]
net_cfg = {
'NET_CFG_INTERFACE_0': { 'mandatory': True, },
'NET_CFG_SELF_IP': { 'mandatory': True },
'NET_CFG_NETMASK': { 'mandatory': True },
'NET_CFG_PEER_IP': { 'mandatory': True },
'NET_CFG_GATEWAY_IP': { 'manditory': True },
'NET_CFG_NFS_MOUNT_PATH': { 'mandatory': False,
'default': '@NET_CFG_PEER_IP@/rtems' },
'NET_CFG_NFS_MOUNT_OPTIONS': { 'mandatory': False,
'default': 'nfsv4,minorversion=1' }
}
tags = list(net_cfg.keys())
config_inc = bld.path.find_node('config.inc')
try:
config_inc_lines = open(config_inc.abspath()).readlines()
except:
bld.fatal('network configuraiton \'%s\' read failed' %
(config_inc.abspath()))
for l in config_inc_lines:
if l.strip().startswith('NET_CFG_'):
ls = l.split('=', 1)
if len(ls) == 2:
lhs = ls[0].strip()
rhs = ls[1].strip()
if lhs in tags:
net_cfg[lhs]['default'] = rhs
try:
net_cfg_lines = open(bld.env.NET_CONFIG).readlines()
except:
bld.fatal('network configuraiton \'%s\' read failed' %
(bld.env.NET_CONFIG))
lc = 0
sed = 'sed '
for l in net_cfg_lines:
lc += 1
if l.strip().startswith('NET_CFG_'):
ls = l.split('=')
ls = l.split('=', 1)
if len(ls) != 2:
bld.fatal('network configuraiton \'%s\' ' + \
'parse error: %d: %s' % (bld.env.NET_CONFIG, lc, l))
lhs = ls[0].strip()
rhs = ls[1].strip()
for tag in tags:
if lhs == tag:
transpose = [(':', '\:'), ('/', '\/')]
trhs = ''
for c in rhs:
for t in transpose:
if c == t[0]:
trhs += t[1]
c = None
break
if c is not None:
trhs += c
sed += "-e 's/@%s@/%s/' " % (tag, trhs)
if lhs in tags:
net_cfg[lhs]['value'] = rhs
for tag in net_cfg:
if 'value' not in net_cfg[tag]:
if net_cfg[tag]['mandatory']:
bld.fatal('network configuraiton \'%s\' ' + \
'entry not found: %s' % (bld.env.NET_CONFIG, tag))
net_cfg[tag]['value'] = net_cfg[tag]['default']
updated = True
while updated:
updated = False
for tag in net_cfg:
for rtag in net_cfg:
if tag != rtag and 'value' in net_cfg[rtag]:
pattern = re.escape('@' + tag + '@')
repl = net_cfg[tag]['value']
value = re.sub(pattern, repl, net_cfg[rtag]['value'])
if value != net_cfg[rtag]['value']:
updated = True
net_cfg[rtag]['value'] = value
transpose = [(':', '\:'), ('/', '\/')]
sed = 'sed '
for tag in net_cfg:
tv = ''
for c in net_cfg[tag]['value']:
for t in transpose:
if c == t[0]:
tv += t[1]
c = None
break
if c is not None:
tv += c
sed += "-e 's/@%s@/%s/' " % (tag, tv)
bld(target="testsuite/include/rtems/bsd/test/network-config.h",
source="testsuite/include/rtems/bsd/test/network-config.h.in",
rule=sed + " < ${SRC} > ${TGT}",