. /usr/share/libubox/jshn.sh
+__network_switch_inactive()
+{
+ local __tmp
+
+ if [ "$1" = 0 ] || [ "$1" = false ]; then
+ return 1
+ fi
+
+ json_get_type __tmp "inactive"
+
+ if [ "$__tmp" = object ]; then
+ json_select "inactive"
+ fi
+}
+
+__network_set_cache()
+{
+ __NETWORK_CACHE="${__NETWORK_CACHE:+$__NETWORK_CACHE }__NETWORK_CV_$1"
+ eval "__NETWORK_CV_$1='\$$2'"
+}
+
+__network_get_cache()
+{
+ eval "[ -n \"\${__NETWORK_CV_$1+x}\" ] && export -- \"$2=\$__NETWORK_CV_$1\""
+}
+
__network_ipaddr()
{
local __var="$1"
local __iface="$2"
local __family="$3"
- local __prefix="${4:-0}"
+ local __prefix="$4"
+ local __key="ipaddr_${2}_${3}_${4}"
+
+ __network_get_cache "$__key" "$__var" && return 0
local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
eval "export -- \"$__var=\${$__var}/$__tmp\""
}
+ __network_set_cache "$__key" "$__var"
return 0
fi
fi
return 1
}
+# determine IPv4 address of given logical interface
+# 1: destination variable
+# 2: interface
network_get_ipaddr() { __network_ipaddr "$1" "$2" 4 0; }
+
+# determine IPv6 address of given logical interface
+# 1: destination variable
+# 2: interface
network_get_ipaddr6() { __network_ipaddr "$1" "$2" 6 0; }
+# determine IPv4 subnet of given logical interface
+# 1: destination variable
+# 2: interface
network_get_subnet() { __network_ipaddr "$1" "$2" 4 1; }
+
+# determine IPv6 subnet of given logical interface
+# 1: destination variable
+# 2: interface
network_get_subnet6() { __network_ipaddr "$1" "$2" 6 1; }
local __var="$1"
local __iface="$2"
local __family="$3"
+ local __key="gateway_${2}_${3}"
+
+ __network_get_cache "$__key" "$__var" && return 0
local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
- local __idx=1
- local __enabled
json_load "${__tmp:-{}}"
- if json_get_type __tmp route && [ "$__tmp" = array ]; then
+ for __tmp in 0 1; do
+
+ if json_get_type __tmp route && [ "$__tmp" = array ]; then
+
+ json_select route
- json_select route
+ local __idx=1
+ while json_get_type __tmp "$__idx" && [ "$__tmp" = object ]; do
- while json_get_type __tmp "$__idx" && [ "$__tmp" = object ]; do
+ json_select "$((__idx++))"
+ json_get_var __tmp target
- json_select "$((__idx++))"
- json_get_var __tmp target
- json_get_var __enabled enabled
+ case "${__family}/${__tmp}" in
+ 4/0.0.0.0|6/::)
+ json_get_var "$__var" nexthop
+ __network_set_cache "$__key" "$__var"
+ return $?
+ ;;
+ esac
- case "${__enabled}/${__family}/${__tmp}" in
- 1/4/0.0.0.0|1/6/::)
- json_get_var "$__var" nexthop
- return $?
- ;;
- esac
+ json_select ".."
+
+ done
json_select ".."
- done
- fi
+ fi
+
+ __network_switch_inactive "$4" || break
+
+ done
return 1
}
-network_get_gateway() { __network_gateway "$1" "$2" 4; }
-network_get_gateway6() { __network_gateway "$1" "$2" 6; }
+# determine IPv4 gateway of given logical interface
+# 1: destination variable
+# 2: interface
+# 3: consider inactive gateway if "true" (optional)
+network_get_gateway() { __network_gateway "$1" "$2" 4 "${3:-0}"; }
+
+# determine IPv6 gateway of given logical interface
+# 1: destination variable
+# 2: interface
+# 3: consider inactive gateway if "true" (optional)
+network_get_gateway6() { __network_gateway "$1" "$2" 6 "${3:-0}"; }
+
+
+__network_dns() {
+ local __var="$1"
+ local __iface="$2"
+ local __field="$3"
+ local __key="dns_${2}_${3}"
+
+ __network_get_cache "$__key" "$__var" && return 0
+
+ local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
+ local __dns=""
+
+ json_load "${__tmp:-{}}"
+
+ for __tmp in 0 1; do
+
+ if json_get_type __tmp "$__field" && [ "$__tmp" = array ]; then
+
+ json_select "$__field"
+
+ local __idx=1
+ while json_get_type __tmp "$__idx" && [ "$__tmp" = string ]; do
+
+ json_get_var __tmp "$((__idx++))"
+ __dns="${__dns:+$__dns }$__tmp"
+
+ done
+
+ json_select ".."
+ fi
+
+ __network_switch_inactive "$4" || break
+
+ done
+
+ if [ -n "$__dns" ]; then
+ eval "export -- \"$__var=$__dns\""
+ __network_set_cache "$__key" "$__var"
+ fi
+}
+
+# determine the DNS servers of the given logical interface
+# 1: destination variable
+# 2: interface
+# 3: consider inactive servers if "true" (optional)
+network_get_dnsserver() { __network_dns "$1" "$2" dns_server "${3:-0}"; }
+
+# determine the domains of the given logical interface
+# 1: destination variable
+# 2: interface
+# 3: consider inactive servers if "true" (optional)
+network_get_dnssearch() { __network_dns "$1" "$2" dns_search "${3:-0}"; }
__network_wan() {
local __var="$1"
local __family="$2"
+ local __key="wan_${2}"
local __iface
+ __network_get_cache "$__key" "$__var" && return 0
+
for __iface in $(ubus list | sed -ne 's/^network\.interface\.//p'); do
if __network_gateway "$__var" "$__iface" "$__family"; then
eval "export -- \"$__var=$__iface\""
+ __network_set_cache "$__key" "$__var"
return 0
fi
done
return 1
}
+# find the logical interface which holds the current IPv4 default route
+# 1: destination variable
network_find_wan() { __network_wan "$1" 4; }
+
+# find the logical interface which holds the current IPv6 default route
+# 1: destination variable
network_find_wan6() { __network_wan "$1" 6; }
local __var="$1"
local __iface="$2"
local __field="$3"
+ local __key="device_${2}_${3}"
+
+ __network_get_cache "$__key" "$__var" && return 0
local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
[ -n "$__tmp" ] || return 1
json_load "$__tmp"
- json_get_var "$__var" "$__field"
+ json_get_var "$__var" "$__field" && __network_set_cache "$__key" "$__var"
}
+# test whether the given logical interface is running
+# 1: interface
network_is_up()
{
local __up
__network_device __up "$1" up && [ $__up -eq 1 ]
}
+# determine the layer 3 linux network device of the given logical interface
+# 1: destination variable
+# 2: interface
network_get_device() { __network_device "$1" "$2" l3_device; }
+
+# determine the layer 2 linux network device of the given logical interface
+# 1: destination variable
+# 2: interface
network_get_physdev() { __network_device "$1" "$2" device; }
ubus call network.device set_state "$(json_dump)" 2>/dev/null
}
+# defer netifd actions on the given linux network device
+# 1: device name
network_defer_device() { __network_defer "$1" 1; }
+
+# continue netifd actions on the given linux network device
+# 1: device name
network_ready_device() { __network_defer "$1" 0; }
+
+# flush the internal value cache to force re-reading values from ubus
+network_flush_cache()
+{
+ local __tmp
+ for __tmp in $__NETWORK_CACHE __NETWORK_CACHE; do
+ unset "$__tmp"
+ done
+}
projects / openwrt.git / blobdiff