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Cleanup OpenWRT protocol handler to handle reloading in addition to r…
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…estarting when DHCP options are changed. Also remove redundant log messages.
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@jheretic
jheretic committed Mar 11, 2014
1 parent bd0d371 commit b56e048
Showing 1 changed file with 38 additions and 38 deletions.
76 changes: 38 additions & 38 deletions openwrt/lib/netifd/proto/commotion.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ proto_commotion_init_config() {
proto_config_add_string "profile"
proto_config_add_string "type"
proto_config_add_string "class"
proto_config_add_string "dhcp"
proto_config_add_string "ipaddr"
proto_config_add_string "netmask"
proto_config_add_string "dns"
Expand All @@ -69,23 +70,23 @@ proto_commotion_setup() {
local profile type ipaddr netmask dns domain announce lease_zone nolease_zone
json_get_vars profile type class ipaddr netmask dns domain announce lease_zone nolease_zone

logger -s -t commotion.proto "Running protocol handler."
logger -t commotion.proto "Running protocol handler."
[ "$class" == "mesh" ] && commotion_up "$iface" $(uci_get network $config profile)
case "$class" in
"mesh")
logger -t "commotion.proto" -s "Class: $class"
logger -t "commotion.proto" "Class: $class"
commotion_up "$iface" $(uci_get network $config profile)
logger -t "commotion.proto" -s "Upped $iface"
logger -t "commotion.proto" "Upped $iface"
uci_set_state network "$config" meshed "$(uci_get network "$config" meshed 1)"
uci_set_state network "$config" announced "$(uci_get network "$config" announced 0)"
;;
"client")
logger -t "commotion.proto" -s "Class: $class"
logger -t "commotion.proto" "Class: $class"
uci_set_state network "$config" meshed "$(uci_get network "$config" meshed 0)"
uci_set_state network "$config" announced "$(uci_get network "$config" announced 1)"
;;
"wired")
logger -t "commotion.proto" -s "Class: $class"
logger -t "commotion.proto" "Class: $class"
uci_set_state network "$config" meshed "$(uci_get network "$config" meshed 0)"
uci_set_state network "$config" announced "$(uci_get network "$config" announced 0)"
dhcp="$(uci_get network "$config" dhcp "auto")"
Expand All @@ -95,9 +96,12 @@ proto_commotion_setup() {
"auto")
local dhcp_status
local dhcp_timeout="$(uci_get commotiond @node[0] dhcp_timeout "$DHCP_TIMEOUT")"
logger -t "commotion.proto.dhcp" "DHCP type: $dhcp"

unset_bridge "$client_bridge" "$iface"
logger -t "commotion.proto" -s "Removing $iface from bridge $client_bridge"
logger -t "commotion.proto" "Removing $iface from bridge $client_bridge"
#Can't use unset_bridge here, short-circuits startup process by calling *_teardown
brctl delif br-"$client_bridge" "$iface"
logger -t "commotion.proto" "Successfully removed $iface from bridge $client_bridge"
export DHCP_INTERFACE="$config"
udhcpc -q -i ${iface} -p /var/run/udhcpc-${iface}.pid -t 2 -T "$dhcp_timeout" -n -s /lib/netifd/commotion.dhcp.script
dhcp_status=$?
Expand All @@ -106,65 +110,62 @@ proto_commotion_setup() {
# we got an IP
# see commotion.dhcp.script for the rest of
# the setup code.
have_ip=1

# get out of here early.
return
else
unset_fwzone "$config"
uci_commit firewall
set_bridge "$client_bridge" "$iface"
logger -t "commotion.proto" -s "Adding $iface to bridge $client_bridge"
logger -t "commotion.proto" "Adding $iface to bridge $client_bridge"

logger -t "commotion.proto" -s "Restarting $client_bridge interface"
logger -t "commotion.proto" "Restarting $client_bridge interface"
ubus call network.interface."$client_bridge" down
ubus call network.interface."$client_bridge" up
local bridge_ip="$(uci_get_state network $client_bridge ipaddr $(commotion_gen_ip $DEFAULT_CLIENT_SUBNET $DEFAULT_CLIENT_IPGENMASK gw))"
logger -t "commotion.proto" -s "Bridge IP state: $(uci_get_state $client_bridge ipaddr)"
logger -t "commotion.proto" -s "Bridge generated IP: $(commotion_gen_ip $DEFAULT_CLIENT_SUBNET $DEFAULT_CLIENT_IPGENMASK gw)"
logger -t "commotion.proto" "Bridge IP state: $(uci_get_state $client_bridge ipaddr)"
logger -t "commotion.proto" "Bridge generated IP: $(commotion_gen_ip $DEFAULT_CLIENT_SUBNET $DEFAULT_CLIENT_IPGENMASK gw)"
local bridge_netmask="$(uci_get_state network $client_bridge netmask $DEFAULT_CLIENT_NETMASK)"
logger -t "commotion.proto" -s "Bridge Netmask state: $(uci_get_state $client_bridge netmask)"
logger -t "commotion.proto" -s "Bridge Default netmask: $DEFAULT_CLIENT_NETMASK"
logger -t "commotion.proto" -s "Bridge: $client_bridge, IP: $bridge_ip, Netmask: $bridge_netmask"
logger -t "commotion.proto" "Bridge Netmask state: $(uci_get_state $client_bridge netmask)"
logger -t "commotion.proto" "Bridge Default netmask: $DEFAULT_CLIENT_NETMASK"
logger -t "commotion.proto" "Bridge: $client_bridge, IP: $bridge_ip, Netmask: $bridge_netmask"
uci_set network "$client_bridge" ipaddr "$bridge_ip"
uci_set_state network "$client_bridge" ipaddr "$bridge_ip"
uci_set network "$client_bridge" netmask "$bridge_netmask"
uci_set_state network "$client_bridge" netmask "$bridge_netmask"
logger -t "commotion.proto" -s "Restarting dnsmasq"
sleep 1
/etc/init.d/dnsmasq restart

return

have_ip=1
fi
;;
"server")
unset_fwzone "$config"
uci_commit firewall
set_bridge "$client_bridge" "$iface"
logger -t "commotion.proto" -s "Adding $iface to bridge $client_bridge"
logger -t "commotion.proto" "Adding $iface to bridge $client_bridge"
logger -t "commotion.proto.dhcp" "DHCP type: $dhcp"

logger -t "commotion.proto" -s "Restarting $client_bridge interface"
logger -t "commotion.proto" "Restarting $client_bridge interface"
ubus call network.interface."$client_bridge" down
ubus call network.interface."$client_bridge" up
local bridge_ip="$(uci_get_state $client_bridge ipaddr $(commotion_gen_ip $DEFAULT_CLIENT_SUBNET $DEFAULT_CLIENT_IPGENMASK gw))"
local bridge_netmask="$(uci_get_state $client_bridge netmask $DEFAULT_CLIENT_SUBNET)"
logger -t "commotion.proto" -s "Bridge: $client_bridge, IP: $bridge_ip, Netmask: $bridge_netmask"
logger -t "commotion.proto" "Bridge: $client_bridge, IP: $bridge_ip, Netmask: $bridge_netmask"
uci_set network "$client_bridge" ipaddr "$bridge_ip"
uci_set network "$client_bridge" netmask "$bridge_netmask"
logger -t "commotion.proto" -s "Restarting dnsmasq"
/etc/init.d/dnsmasq restart

return
have_ip=1
;;
"client")
local dhcp_status
local dhcp_timeout="$(uci_get commotiond @node[0] dhcp_timeout "$DHCP_TIMEOUT")"

unset_bridge "$client_bridge" "$iface"
logger -t "commotion.proto" -s "Removing $iface from bridge $client_bridge"
logger -t "commotion.proto" "Removing $iface from bridge $client_bridge"
#Can't use unset_bridge here, short-circuits startup process by calling *_teardown
brctl delif br-"$client_bridge" "$iface"
logger -t "commotion.proto" "Successfully removed $iface from bridge $client_bridge"
proto_export "DHCP_INTERFACE=$config"
logger -t "commotion.proto.dhcp" "DHCP type: $dhcp"
proto_run_command "$config" udhcpc -i ${iface} -f -T "$dhcp_timeout" -t 0 -p /var/run/udhcpc-"$iface".pid -s /lib/netifd/commotion.dhcp.script
have_ip=1
return
;;
"none")
unset_bridge "$client_bridge" "$iface"
Expand All @@ -185,7 +186,7 @@ proto_commotion_setup() {
local netmask=${netmask:-$DEFAULT_CLIENT_NETMASK}
fi
proto_add_ipv4_address $ip $netmask
logger -t "commotion.proto" -s "proto_add_ipv4_address: $ip $netmask"
logger -t "commotion.proto" "proto_add_ipv4_address: $ip $netmask"
uci_set_state network "$config" ipaddr "$ip"
uci_set_state network "$config" netmask "$netmask"
else
Expand All @@ -194,11 +195,11 @@ proto_commotion_setup() {
proto_add_ipv4_address $ip $netmask
uci_set_state network "$config" ipaddr "$ip"
uci_set_state network "$config" netmask "$netmask"
logger -t "commotion.proto" -s "proto_add_ipv4_address: $ip $netmask"
logger -t "commotion.proto" "proto_add_ipv4_address: $ip $netmask"
proto_add_dns_server "${dns:-$(commotion_get_dns $iface)}"
logger -t "commotion.proto" -s "proto_add_dns_server: $dns"
logger -t "commotion.proto" "proto_add_dns_server: $dns"
proto_add_dns_search ${domain:-$(commotion_get_domain $iface)}
logger -t "commotion.proto" -s "proto_add_dns_search: $domain"
logger -t "commotion.proto" "proto_add_dns_search: $domain"
fi
fi

Expand All @@ -213,24 +214,23 @@ proto_commotion_setup() {
local channel=$(uci_get wireless "$WIFI_DEVICE" channel)
uci_set wireless $WIFI_DEVICE channel ${channel:-$(commotion_get_channel $iface)}
uci_commit wireless
wifi up "$config"
fi
logger -t "commotion.proto" -s "Sending update for $config"
logger -t "commotion.proto" "Sending update for $config"
proto_send_update "$config"
}

proto_commotion_teardown() {
local config="$1"
local ifname="$2"

logger -t "commotion.proto" -s "Initiating teardown."
logger -t "commotion.proto" "Initiating teardown."

local class = "$(uci_get network "$config" class)"

if [ "$class" == "wired" ]; then
local client_bridge="$(uci_get network "$config" client_bridge "$DEFAULT_CLIENT_BRIDGE")"
unset_bridge "$client_bridge" "$ifname"
logger -t "commotion.proto" -s "Removing $ifname from bridge $client_bridge"
logger -t "commotion.proto" "Removing $ifname from bridge $client_bridge"

proto_kill_command "$config"
fi
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