teardown.sh

#!/bin/bash


# _osnd_teardown_capture()
# Stop capturing packets
function _osnd_teardown_capture() {
	local logged=false

	for entity in cl st gw sv; do
		local session="tcpdump-${entity}"
		tmux -L ${TMUX_SOCKET} has-session -t ${session} >/dev/null 2>&1
		if [ "$?" -gt 0 ]; then
			if [[ "$logged" == false ]]; then
				log D "Stopping tcpdump"
				logged=true
			fi

			log D "Stopping $session"
			tmux -L ${TMUX_SOCKET} send-keys -t ${session} C-c
			sleep $CMD_SHUTDOWN_WAIT
			tmux -L ${TMUX_SOCKET} send-keys -t ${session} C-d
			sleep $CMD_SHUTDOWN_WAIT
			tmux -L ${TMUX_SOCKET} kill-session -t ${session} >/dev/null 2>&1
		fi
	done
}

# osnd_teardown()
# Teardown the entire emulation environment.
function osnd_teardown() {
	log I "Tearing down emulation environment"
	osnd_teardown_opensand
	sleep $CMD_SHUTDOWN_WAIT
	_osnd_teardown_capture
	osnd_teardown_namespaces
	log D "Environment teared down"
}

# If script is executed directly
if [[ "${BASH_SOURCE[0]}" == "$0" ]]; then
	declare -F log >/dev/null || function log() {
		local level="$1"
		local msg="$2"

		echo "[$level] $msg"
	}

	export SCRIPT_VERSION="manual"
	export SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
	set -a
	source "${SCRIPT_DIR}/env.sh"
	set +a
	source "${SCRIPT_DIR}/teardown-opensand.sh"
	source "${SCRIPT_DIR}/teardown-namespaces.sh"

	osnd_teardown "$@"

	# Ensure all tmux sessions are closed
	tmux -L ${TMUX_SOCKET} kill-server &>/dev/null

	if [ -e "$OSND_TMP" ]; then
		rm -rf "$OSND_TMP"
	fi
fi