Merge pull request #4646 from jow-/introduce-nlbwmon

nlbwmon: add package

net/nlbwmon/Makefile

@@ -0,0 +1,42 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=nlbwmon
+PKG_RELEASE:=1
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://github.com/jow-/nlbwmon.git
+PKG_SOURCE_DATE:=2017-07-28
+PKG_SOURCE_VERSION:=76487b5ec06cdeed097bd91c0216ab61861bcf07
+PKG_MIRROR_HASH:=981c70a7cb1811bbf45261e64a18c5c0fca3fb3a93ac299ce614c08c153ac7e0
+
+CMAKE_INSTALL:=1
+
+PKG_MAINTAINER:=Jo-Philipp Wich <jo@mein.io>
+PKG_LICENSE:=ISC
+PKG_LICENSE_FILES:=COPYING
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+TARGET_CFLAGS += -I$(STAGING_DIR)/usr/include/libnl-tiny
+
+define Package/nlbwmon
+  SECTION:=net
+  CATEGORY:=Network
+  DEPENDS:=+libubox +libnl-tiny +zlib +kmod-nf-conntrack-netlink
+  TITLE:=LEDE Traffic Usage Monitor
+endef
+
+define Package/nlbwmon/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/nlbwmon $(1)/usr/sbin/nlbwmon
+	$(LN) nlbwmon $(1)/usr/sbin/nlbw
+	$(INSTALL_DIR) $(1)/usr/share/nlbwmon
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/protocols.txt $(1)/usr/share/nlbwmon/protocols
+	$(INSTALL_DIR) $(1)/etc/init.d
+	$(INSTALL_BIN) ./files/nlbwmon.init $(1)/etc/init.d/nlbwmon
+	$(INSTALL_DIR) $(1)/etc/config
+	$(INSTALL_CONF) ./files/nlbwmon.config $(1)/etc/config/nlbwmon
+endef
+
+$(eval $(call BuildPackage,nlbwmon))

net/nlbwmon/files/nlbwmon.config

@@ -0,0 +1,51 @@
+config nlbwmon
+	# Interval at which the temporary in-memory database is committed to
+	# the persistent database directory
+	option commit_interval 24h
+
+	# Interval at which traffic counters of still established connections
+	# are refreshed from netlink information
+	option refresh_interval 30s
+
+	# Storage directory for the database files
+	option database_directory /var/lib/nlbwmon
+
+	# Amount of database generations to retain. If the limit is reached,
+	# the oldest database files are deleted.
+	option database_generations 10
+
+	# Accounting period interval; may be either in the format YYYY-MM-DD/NN
+	# to start a new accounting period exactly every NN days, beginning at
+	# the given date, or a number specifiying the day of month at which to
+	# start the next accounting period.
+	#option database_interval '2017-01-17/14' # every 14 days, starting at Tue
+	#option database_interval '-2' # second last day of month, e.g. 30th in March
+	option database_interval '1' # first day of month (default)
+
+	# The maximum amount of entries that should be put into the database,
+	# setting the limit to 0 will allow databases to grow indefinitely.
+	option database_limit 10000
+
+	# Whether to preallocate the maximum possible database size in memory.
+	# This is mainly useful for memory constrained systems which might not
+	# be able to satisfy memory allocation after longer uptime periods.
+	# Only effective in conjunction with database_limit, ignored otherwise.
+	#option database_prealloc 0
+
+	# Whether to gzip compress archive databases. Compressing the database
+	# files makes accessing old data slightly slower but helps to reduce
+	# storage requirements.
+	#option database_compress 1
+
+	# Protocol description file, used to distinguish traffic streams by
+	# IP protocol number and port
+	option protocol_database /usr/share/nlbwmon/protocols
+
+	# List of local subnets. Only conntrack streams from or to any of these
+	# subnets are counted. Logical interface names may be specified to
+	# resolve the local subnets on the fly.
+	list local_network '192.168.0.0/16'
+	list local_network '172.16.0.0/12'
+	list local_network '10.0.0.0/8'
+	list local_network 'lan'
+

net/nlbwmon/files/nlbwmon.init

@@ -0,0 +1,89 @@
+#!/bin/sh /etc/rc.common
+
+START=60
+
+USE_PROCD=1
+NAME=nlbwmon
+PROG=/usr/sbin/nlbwmon
+
+add_subnet() {
+	local network="$1"
+	local range ranges
+
+	case "$network" in
+		*.*|*:*)
+			procd_append_param command '-s' "$network"
+		;;
+		*)
+			if network_get_subnets ranges "$network"; then
+				for range in $ranges; do
+					procd_append_param command '-s' "$range"
+				done
+			fi
+
+			if network_get_subnets6 ranges "$network"; then
+				for range in $ranges; do
+					procd_append_param command '-s' "$range"
+				done
+			fi
+		;;
+	esac
+}
+
+add_option() {
+	local cfg="$1"
+	local flag="$2"
+	local option="$3"
+	local default="$4"
+	local value
+
+	config_get value "$cfg" "$option" "$default"
+	[ -n "$value" ] && procd_append_param command "$flag" "$value"
+}
+
+add_bool() {
+	local cfg="$1"
+	local flag="$2"
+	local option="$3"
+	local default="$4"
+	local value
+
+	config_get_bool value "$cfg" "$option" "$default"
+	[ $value -eq 1 ] && procd_append_param command "$flag"
+}
+
+parse_config() {
+	. /lib/functions/network.sh
+
+	local cfg="$1"
+	local dir
+
+	config_get dir "$cfg" database_directory /var/lib/nlbwmon
+
+	mkdir -p "$dir"
+	procd_append_param command -o "$dir"
+
+	add_option "$cfg" -i commit_interval 24h
+	add_option "$cfg" -r refresh_interval 30s
+	add_option "$cfg" -p protocol_database /usr/share/nlbwmon/protocols
+	add_option "$cfg" -G database_generations 10
+	add_option "$cfg" -I database_interval 1
+	add_option "$cfg" -L database_limit 10000
+
+	add_bool "$cfg" -P database_prealloc 0
+	add_bool "$cfg" -Z database_compress 1
+
+	config_list_foreach "$cfg" local_network add_subnet
+}
+
+start_service() {
+	procd_open_instance
+	procd_set_param stderr 1
+	procd_set_param command "$PROG"
+
+	config_load nlbwmon
+	config_foreach parse_config nlbwmon
+
+	procd_close_instance
+}
+