120 lines
3.8 KiB
Bash
120 lines
3.8 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1091
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source "${SCRIPT_DIR}/common.sh"
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STEP="5g-dial"
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disable_interfaces() {
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local raw_list="$1"
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local iface
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local nmcli_available=0
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if [[ -z "${raw_list}" ]]; then
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return 0
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fi
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if command -v nmcli >/dev/null 2>&1; then
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nmcli_available=1
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fi
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for iface in ${raw_list//,/ }; do
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if [[ -z "${iface}" ]]; then
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continue
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fi
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blitz_log "${STEP}" "disable-interface" "start" "iface=${iface}" 0
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if [[ "${nmcli_available}" -eq 1 ]]; then
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nmcli device disconnect "${iface}" >/dev/null 2>&1 || true
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fi
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if ip link show dev "${iface}" >/dev/null 2>&1; then
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if ip link set dev "${iface}" down; then
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blitz_log "${STEP}" "disable-interface" "success" "iface=${iface}" 0
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else
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rc=$?
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blitz_log "${STEP}" "disable-interface" "failure" "iface=${iface}" "${rc}"
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return "${rc}"
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fi
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else
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blitz_log "${STEP}" "disable-interface" "success" "iface=${iface} not present, skipping" 0
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fi
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done
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}
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wait_for_serial() {
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local serial_port="$1"
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local timeout_sec="$2"
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local waited=0
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while (( waited < timeout_sec )); do
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if [[ -e "${serial_port}" ]]; then
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blitz_log "${STEP}" "wait-serial" "success" "serial_port=${serial_port} waited_sec=${waited}" 0
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return 0
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fi
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if (( waited == 0 || waited % 5 == 0 )); then
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blitz_log "${STEP}" "wait-serial" "waiting" "serial_port=${serial_port} waited_sec=${waited}" 0
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fi
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sleep 1
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waited=$(( waited + 1 ))
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done
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blitz_log "${STEP}" "wait-serial" "failure" "serial_port=${serial_port} timeout_sec=${timeout_sec}" 1
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return 1
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}
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wait_for_route() {
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local target_ip="$1"
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local timeout_sec="$2"
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local expected_interface="${3:-}"
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local waited=0
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local route_output
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while (( waited < timeout_sec )); do
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route_output="$(blitz_route_ready "${target_ip}" "${expected_interface}" || true)"
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if [[ -n "${route_output}" ]]; then
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blitz_log "${STEP}" "route-check" "success" "target_ip=${target_ip} interface=${expected_interface:-auto} route=${route_output}" 0
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return 0
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fi
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if (( waited == 0 || waited % 5 == 0 )); then
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blitz_log "${STEP}" "route-check" "waiting" "target_ip=${target_ip} interface=${expected_interface:-auto} waited_sec=${waited}" 0
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fi
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sleep 1
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waited=$(( waited + 1 ))
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done
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blitz_log "${STEP}" "route-check" "failure" "target_ip=${target_ip} interface=${expected_interface:-auto} timeout_sec=${timeout_sec}" 1
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return 1
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}
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blitz_load_boot_env
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blitz_require_root "${STEP}"
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blitz_require_command ip "${STEP}"
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blitz_require_command python3 "${STEP}"
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blitz_require_file "${BLITZ_5G_DIAL_DIR}/rndis_dial.py" "${STEP}"
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if [[ -z "${BLITZ_TIME_SERVER_IP}" ]]; then
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blitz_log "${STEP}" "precheck" "failure" "BLITZ_TIME_SERVER_IP is empty and no fallback could be derived" 1
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exit 1
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fi
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if [[ -z "${BLITZ_5G_INTERFACE:-}" ]]; then
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blitz_log "${STEP}" "precheck" "failure" "BLITZ_5G_INTERFACE must not be empty" 1
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exit 1
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fi
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disable_interfaces "${BLITZ_5G_DISABLE_INTERFACES:-}"
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route_output="$(blitz_route_ready "${BLITZ_TIME_SERVER_IP}" "${BLITZ_5G_INTERFACE}" || true)"
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if [[ -n "${route_output}" ]]; then
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blitz_log "${STEP}" "dial" "already_up" "target_ip=${BLITZ_TIME_SERVER_IP} interface=${BLITZ_5G_INTERFACE} route=${route_output}" 0
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exit 0
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fi
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wait_for_serial "${BLITZ_5G_SERIAL_PORT}" "${BLITZ_5G_SERIAL_WAIT_SEC}"
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pushd "${BLITZ_5G_DIAL_DIR}" >/dev/null
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blitz_run "${STEP}" "dial" python3 rndis_dial.py --serial-port "${BLITZ_5G_SERIAL_PORT}" --interface "${BLITZ_5G_INTERFACE}"
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popd >/dev/null
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wait_for_route "${BLITZ_TIME_SERVER_IP}" "${BLITZ_5G_ROUTE_WAIT_SEC}" "${BLITZ_5G_INTERFACE}"
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blitz_log "${STEP}" "complete" "success" "5G dial completed and route is ready on ${BLITZ_5G_INTERFACE}" 0
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