From a96e53526e5fbeea407069ba94b173e2c2cd514d Mon Sep 17 00:00:00 2001
From: Dmitry Yu Okunev <dyokunev@ut.mephi.ru>
Date: Tue, 25 Feb 2014 15:21:55 +0400
Subject: [PATCH] Initial commit

---
 README           |   0
 ipw              | 151 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 ipw-configsample |  29 +++++++++++++++++++++++++++++
 3 files changed, 180 insertions(+), 0 deletions(-)
 create mode 100644 README
 create mode 100755 ipw
 create mode 100755 ipw-configsample

diff --git a/README b/README
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/README
diff --git a/ipw b/ipw
new file mode 100755
index 0000000..b6d7f97
--- /dev/null
+++ b/ipw
@@ -0,0 +1,151 @@
+#!/bin/bash
+
+CONFIG_PATH="./ipw-configsample"
+
+source "$CONFIG_PATH"
+
+NEWCONFIG_TMPPATH="/tmp/.~ipw"
+
+
+CMD="$1"; shift;
+
+NEWCONFIG=0
+case "$CMD" in
+	add1qif)
+		NEWCONFIG=1	# we need to update the config after the command
+		
+	
+		D1Q_IFACES[ ${#D1Q_IFACES}]
+		
+		;;
+	addbrif)
+		NEWCONFIG=1	# we need to update the config after the command
+
+		BRNAME="$1"; shift
+		SLAVE="$1";  shift
+
+		# TODO: implement this
+		#bond0_SLAVES[ ${#bond0_SLAVES[@]} ]="eth2"
+		;;
+	fix)
+		#brctl addif bond0 eth2
+		;;
+	*)
+		;;
+esac
+
+newconfig_open() {
+	echo -n > "$NEWCONFIG_TMPPATH"
+}
+
+newconfig_write() {
+	LINE="$1"; shift;
+
+	[[ $NEWCONFIG -eq 0 ]] && return
+
+	echo "$LINE" >> "$NEWCONFIG_TMPPATH"
+}
+
+newconfig_commit() {
+	rm -f "$CONFIG_PATH"
+	mv "$NEWCONFIG_TMPPATH" "$CONFIG_PATH"
+}
+
+newconfig_push() {
+	BUFNUM="$1";	shift;
+	LINE="$1";	shift;
+
+	BUF[$BUFNUM]="${BUF[$BUFNUM]}
+$LINE"
+}
+
+newconfig_popall() {
+	BUFNUM="$1";	shift;
+
+	BUF[$BUFNUM]=""
+}
+
+newconfig_popallwrite() {
+	BUFNUM="$1";	shift;
+
+	newconfig_write "${BUF[$BUFNUM]}"
+	BUF[$BUFNUM]=""
+}
+
+newconfig_open
+newconfig_write "#"
+newconfig_write ""
+newconfig_write "D1Q_IFACES=("
+
+for D1Q_IFACE in ${D1Q_IFACES[@]}; do
+	newconfig_write	"	$D1Q_IFACE"
+
+	newconfig_push 1 "${D1Q_IFACE}_SLAVES=("
+
+	SLAVES_VARIABLE="${D1Q_IFACE}_SLAVES"
+	SLAVES_VARIABLE="${SLAVES_VARIABLE//[.]/_}[@]"
+	for SLAVE in "${!SLAVES_VARIABLE}"; do
+		newconfig_push 1 "	$SLAVE";
+	done
+
+	newconfig_push 1 ")"
+
+	# If there're no slaves then don't write anything about them
+	[[ $SLAVE_i -eq 0 ]] && newconfig_popall 1
+
+	VLAN_N_BRIDGE_VARIABLE="${D1Q_IFACE}_VLAN_N_BRIDGES"
+	VLAN_N_BRIDGE_VARIABLE="${VLAN_N_BRIDGE_VARIABLE//[.]/_}[@]"
+	for VLANS_N_BRIDGE in "${!VLAN_N_BRIDGE_VARIABLE}"; do
+		# Checking if no "vlan(.subvlan)?" is set
+		if [[ "${VLANS_N_BRIDGE:0:1}" = ":" ]]; then 
+			VLAN=""
+			BRNAME="${VLANS_N_BRIDGE:1}"
+		else
+			# Splitting by ":"
+			WORDS=( ${VLANS_N_BRIDGE//[:]/ } )
+
+			# The second word defines interface name. If it's empty, "vlan$VLAN.$SUBVLAN" is used.
+			VLAN="${WORDS[0]}"
+			BRNAME="${WORDS[1]}"
+
+			# Splitting by "."
+			WORDS=( ${VLAN//[.]/ } )
+
+			# The second word defines subvlan (1q-in-1q) if it's used. It's empty if no subvlan is used.
+			VLAN="${WORDS[0]}"
+			SUBVLAN="${WORDS[1]}"
+		fi
+
+		# Checking if no "vlan(.subvlan)?" is set
+		if ! [[ "${VLANS_N_BRIDGE: -1}" = ":" ]]; then
+			# Setting default values
+			[[ "$SUBVLAN" = "" ]] && BRNAME="${BRNAME:-vlan${VLAN}}" || BRNAME="${BRNAME:-vlan${VLAN}.${SUBVLAN}}"
+
+			# Getting commands for "ip"
+			IP_CMDS_VARIABLE="${BRNAME}_IP"
+			IP_CMDS_VARIABLE="${IP_CMDS_VARIABLE//[.]/_}[@]"
+			for IP_CMD in "${!IP_CMDS_VARIABLE}"; do
+				echo ip $IP_CMD dev $BRNAME
+				(( IP_CMD_i++ ))
+			done
+		fi
+
+		printf "br: %-10s vlan:%4s subvlan:%4s\n" "$BRNAME" "$VLAN" "$SUBVLAN"
+
+		(( VLAN_N_BRIDGE_i++ ))
+	done
+
+done
+
+newconfig_write ")"
+newconfig_write ""
+
+newconfig_popallwrite 1
+newconfig_popallwrite 2
+newconfig_popallwrite 3
+
+echo ${D1Q_IFACES[@]}
+
+#[[ $NEWCONFIG -ne 0 ]] && newconfig_commit
+
+exit 0
diff --git a/ipw-configsample b/ipw-configsample
new file mode 100755
index 0000000..70ade55
--- /dev/null
+++ b/ipw-configsample
@@ -0,0 +1,29 @@
+#
+
+D1Q_IFACES=(bond0)
+
+bond0_SLAVES=(eth0 eth1)
+
+# vlan.subvlan:bridge-name 
+#     if vlan.subvlan is set to "" then bridge is created without creating (and enslaving) the vlan interface
+#     if bridge is set to "" then vlan interface is created without creating the bridge (to be enslaved by)
+#     if bridge is not set then "vlan$VLAN.$SUBVLAN"/"vlan$VLAN" is used 
+
+bond0_VLAN_N_BRIDGES=(
+	10.2:thor.ext
+	10.3:cps
+	10.4
+	50
+	12:
+	55
+	85
+	433
+	441
+	:cps.int
+)
+
+thor_ext_IP=(
+	"addr add 10.10.2.2/24"
+	"route add default gw 10.10.2.1"
+)
+
--
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