#! /bin/bash

# The master can take commands from NGINX (or redis [not yet implemented])

source /sf/bin/funcs.sh || { sleep 5; exit 255; }

[[ ! -d /dev/shm/sf/master ]] && mkdir -p /dev/shm/sf/master
SOCKET="/dev/shm/sf/master/fcgiwrap.socket"
rm -f "${SOCKET:?}"

# set -e
# WARNING: runs as root in host's pid namespace 
fcgiwrap  -s "unix:${SOCKET}" -c1 -p /cgi-bin/rpc 2>&1 &

sleep 1
chgrp 33 "${SOCKET}" # Group ID from sf-rpc's www-data gid.
# chgrp 101 "${SOCKET}" # Group ID from sf-rpc's nginx gid.
chmod g+rwx "${SOCKET}"

# Load info for when 'rpc' is called.
arr=($(docker inspect -f '{{.Id}} {{.State.Pid}}' "sf-wg"))
[[ ${#arr[@]} -eq 0 ]] && ERREXIT 255 "Cant get sf-wg info: res=${#arr[@]}"

echo "WG_CID=\"${arr[0]}\"
WG_PID=\"${arr[1]}\"" >/dev/shm/config.txt

# Store info for when "ready-lg.sh" is called.
# MAC_SF_RPC=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.MacAddress}}{{end}}' sf-rpc)
LG_RPC_MAC=$(docker inspect -f '{{ (index .NetworkSettings.Networks "sf-guest").MacAddress }}' sf-rpc)
LG_ROUTER_MAC=$(docker inspect -f '{{ (index .NetworkSettings.Networks "sf-guest").MacAddress }}' sf-router)
SF_ROUTER_PID=$(docker inspect --format '{{ .State.Pid }}' sf-router)
echo "LG_RPC_MAC=\"$LG_RPC_MAC\"
LG_ROUTER_MAC=\"$LG_ROUTER_MAC\"
SF_ROUTER_PID=\"$SF_ROUTER_PID\"" >/dev/shm/config-lg.txt

exec -a '[master] sleep' sleep infinity
# sleep infinity