From 8895cf8ffcabfd73bde08b446593abb1ec5e4655 Mon Sep 17 00:00:00 2001
From: Michael Tremer <michael.tremer@ipfire.org>
Date: Wed, 25 May 2011 15:11:22 +0000
Subject: [PATCH] hotplug: Return port name for a device.

---
 functions.cli        | 21 +++++++++++++++++++++
 functions.device     | 24 ++++++++++++++++++++++++
 functions.ports      | 10 ++++++++++
 header-port          |  6 +++++-
 hooks/ports/ethernet | 16 ++++++++++++++++
 network              |  2 +-
 6 files changed, 77 insertions(+), 2 deletions(-)

diff --git a/functions.cli b/functions.cli
index 82a9c6f4..411188da 100644
--- a/functions.cli
+++ b/functions.cli
@@ -151,6 +151,27 @@ function cli_hostname() {
 	exit ${EXIT_OK}
 }
 
+function cli_hotplug() {
+	if cli_help_requested $@; then
+		cli_usage root-hotplug
+		exit ${EXIT_OK}
+	fi
+
+	local command=${1}
+	shift
+
+	case "${command}" in
+		device)
+			device_hotplug $@
+			exit $?
+			;;
+		*)
+			cli_usage root-hotplug
+			exit ${EXIT_OK}
+			;;
+	esac
+}
+
 function cli_port() {
 	if cli_help_requested $@; then
 		cli_usage root-port
diff --git a/functions.device b/functions.device
index 1ddc7d2c..7367f642 100644
--- a/functions.device
+++ b/functions.device
@@ -549,3 +549,27 @@ function device_get_tx_errors() {
 
 	__device_get_file ${device} statistics/tx_errors
 }
+
+function device_hotplug() {
+	local device=${1}
+	shift
+
+	assert isset device
+	#assert device_exists ${device}
+
+	if ! device_is_free ${device}; then
+		log ERROR "The device '${device}' does not look to be unused."
+		log ERROR "Don't proceed."
+	#	return ${EXIT_ERROR}
+	fi
+
+	for port in $(ports_get_all); do
+		port_cmd hotplug ${port} ${device}
+		if [ $? -eq ${EXIT_OK} ]; then
+			echo "${port}"
+			exit ${EXIT_OK}
+		fi
+	done
+
+	exit ${EXIT_ERROR}
+}
diff --git a/functions.ports b/functions.ports
index 9cda5641..8aa4cac1 100644
--- a/functions.ports
+++ b/functions.ports
@@ -23,6 +23,16 @@ function port_dir() {
 	echo "${CONFIG_DIR}/ports"
 }
 
+function ports_get_all() {
+	local port
+
+	for port in $(port_dir)/*; do
+		[ -f "${port}" ] || continue
+
+		basename ${port}
+	done
+}
+
 function port_file() {
 	local port=${1}
 
diff --git a/header-port b/header-port
index 95b39d0e..bb319a4f 100644
--- a/header-port
+++ b/header-port
@@ -40,7 +40,7 @@ done
 
 function run() {
 	case "${action}" in
-		edit|add|create|rem|up|down|status|info)
+		edit|add|create|rem|up|down|status|info|hotplug)
 			_${action} $@
 			;;
 	esac
@@ -49,6 +49,10 @@ function run() {
 	exit ${EXIT_ERROR}
 }
 
+function _hotplug() {
+	exit ${EXIT_ERROR}
+}
+
 function _info() {
 	local port=${1}
 	shift
diff --git a/hooks/ports/ethernet b/hooks/ports/ethernet
index 2d49f49a..cf37aa05 100755
--- a/hooks/ports/ethernet
+++ b/hooks/ports/ethernet
@@ -60,6 +60,22 @@ function _down() {
 	exit ${EXIT_OK}
 }
 
+function _hotplug() {
+	local port=${1}
+	local device=${2}
+
+	assert isset port
+	assert isset device
+
+	config_read $(port_file ${port})
+
+	if [ "${DEVICE_MAC}" = "$(device_get_address ${device})" ]; then
+		exit ${EXIT_OK}
+	fi
+
+	exit ${EXIT_ERROR}
+}
+
 function _status() {
 	local port=${1}
 	shift
diff --git a/network b/network
index e84adff9..54ad8086 100755
--- a/network
+++ b/network
@@ -42,7 +42,7 @@ case "${action}" in
 		init_run
 		;;
 
-	config|hostname|port|device|zone|start|stop|restart|status|reset)
+	config|hostname|hotplug|port|device|zone|start|stop|restart|status|reset)
 		cli_${action} $@
 		;;
 
-- 
2.47.2