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-- the dhcpd controller
module (..., package.seeall)
-- Cause an http redirect to our "read" action
-- We use the self.conf table because it already has prefix,controller,etc
-- The redir code is defined in the application error handler (acf-controller)
local list_redir = function (self)
self.conf.action = "home"
self.conf.type = "redir"
error (self.conf)
end
local pvt = {}
mvc= {}
mvc.on_load = function(self, parent)
-- If they try to run a bogus action, send them to read
if ( rawget(self.worker, self.conf.action) == nil ) then
list_redir(self)
end
pvt.parent_on_exec = parent.worker.mvc.post_exec
logit ("dhcpd controller on_load has finished")
end
mvc.pre_exec = function (self)
logit ("dhcpd-controller pre_exec activated")
-- pvt.parent_on_exec ()
end
mvc.post_exec = function ( self )
logit ("dhcpd-controller post_exec activated")
return pvt.parent_on_exec()
end
dep = function ( self )
-- do the dependancy check
msg = self.model.dep_check()
-- make sure nobody accidentally calls this action
if msg == nil then
self.conf.type = "redir"
self.conf.action = "home"
error (self.conf)
end
-- go ahead
return ( cfe ({ msg = msg }) )
end
editnet = function ( self )
if not self.clientdata.cmd then
list_redir(self)
end
local net = {}
local option = { script = ENV["SCRIPT_NAME"],
prefix = self.conf.prefix,
controller = self.conf.controller,
action = self.conf.action,
extra = ""
}
if self.clientdata.network then
if self.clientdata.network == "choose" then
list_redir(self)
end
end
if self.clientdata.cmd == "update" then
tmp = self.clientdata
net = self.model.create_new_net( tmp.name, tmp.defleasetime, tmp.maxleasetime, tmp.gateway,
tmp.domainname, tmp.dnssrv1, tmp.dnssrv2, tmp.subnet, tmp.netmask, tmp.leaserangestart,
tmp.leaserangeend, tmp.wpad )
errcode, net = self.model.subnet_write( net )
return ( cfe({ option = option, value = net, errcode = errcode }) )
end
net = self.model.subnet_read( self.clientdata.network );
return ( cfe({ option = option, value = net, errcode = { msg="", fields={} }}) )
end
createnet = function ( self )
if not self.clientdata.cmd then
list_redir(self)
end
local option = { script = ENV["SCRIPT_NAME"],
prefix = self.conf.prefix,
controller = self.conf.controller,
action = self.conf.action,
extra = ""
}
if self.clientdata.cmd == "new" then
net = self.model.create_new_net( "<new>", nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil )
return ( cfe({ option = option, value = net, errcode = { msg = "", fields = nil }}) )
elseif self.clientdata.cmd == "create" then
tmp = self.clientdata
net = self.model.create_new_net( tmp.name, tmp.defleasetime, tmp.maxleasetime,
tmp.gateway, tmp.domainname, tmp.dnssrv1, tmp.dnssrv2, tmp.subnet,
tmp.netmask, tmp.leaserangestart, tmp.leaserangeend, tmp.wpad )
errcode, net = self.model.subnet_create( net )
if #errcode.msg == 0 then
self.conf.type = "redir"
self.conf.action = "home"
error (self.conf)
else
return ( cfe({ option = option, value = net, errcode = errcode }) )
end
end
end
home = function ( self )
-- dependancy check for neccessary libs/packages et al.
msg = self.model.dep_check()
if msg ~= nil then
self.conf.type = "redir"
self.conf.action = "dep"
error(self.conf)
end
local srvctrl = ""
if self.clientdata.srvcmd then
srvcmd = self.clientdata.srvcmd
if srvcmd == "start" or srvcmd == "stop" or srvcmd == "restart" then
srvctrl = self.model.service_control(self.clientdata.srvcmd)
end
end
local option = { script = ENV["SCRIPT_NAME"],
prefix = self.conf.prefix,
controller = self.conf.controller,
action = self.conf.action,
extra = ""
}
local info = { status = { value = "stopped" }, version = { value = self.model.get_dhcpd_version() }, srvctrl = { value = srvctrl} };
if self.model.is_running( "dhcpd" ) then
info.status.value = "running"
end
info.subnets = self.model.get_subnets()
return ( cfe({ option = option, value = "", info = info }) )
end
view = function ( self )
local filename = ""
if self.clientdata.conf then
filename = "/etc/dhcp/dhcpd.conf"
elseif self.clientdata.leases then
filename = "/var/lib/dhcpd/dhcpd.leases";
else
list_redir(self)
end
local option = { script = ENV["SCRIPT_NAME"],
prefix = self.conf.prefix,
controller = self.conf.controller,
action = self.conf.action,
extra = ""
}
local value = { filename = { value=filename },
contents = { value=self.model.read_file(filename) }
}
return ( cfe({ option = option, value = value }) )
end
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