#!/bin/execlineb -s0
# SPDX-License-Identifier: EUPL-1.2+
# SPDX-FileCopyrightText: 2024-2025 Alyssa Ross <hi@alyssa.is>

s6-ipcserver-socketbinder -B /run/vm/by-id/${1}/vmm

getpid -E vmm_pid
background -d {
  ifelse -n { start-vmm $@ }
  { kill $vmm_pid }

  if {
    if -t {
      backtick -E netvm_id {
        backtick -E link_path { readlink /run/vm/by-name/sys.netvm }
        basename -- $link_path
      }
      test $1 = $netvm_id
    }
    assign-devices
  }

  cd /run/vm/by-id
  elglob -0 providers */config/providers/net/*
  forx -pE path { $providers }
  backtick -E client_id {
   awk -v path=${path} -F / "BEGIN { split(path, p); print p[1] }"
  }
  backtick -E router_id {
    backtick -E router { basename -- $path }
    backtick -E link_path { readlink /run/vm/by-name/${router} }
    basename -- $link_path
  }

  if -n {
    if { test $client_id != $1 }
    test $router_id != $1
  }

  assign-driver-router-iface /run/vm/by-id/${router_id}
}
unexport !
fdmove -c 3 0
redirfd -r 0 /dev/null

if { udevadm wait /dev/kvm }
cloud-hypervisor --api-socket fd=3