| #!/bin/bash |
| # Copyright 2018 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| ### start the update server and attach to a running fuchsia device |
| ## usage: fx serve-updates [-v] [-l host[:port]] |
| ## -l host:port for "pm serve" to listen on |
| ## -v verbose (do not suppress `pm serve` output) |
| |
| source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"/lib/vars.sh || exit $? |
| fx-config-read |
| |
| function usage { |
| fx-command-help serve-updates |
| } |
| |
| fx-standard-switches "$@" |
| set -- "${FX_ARGV[@]}" |
| |
| port="8083" |
| serve_flags=() |
| verbose=false |
| very_verbose=false |
| while (($#)); do |
| case "$1" in |
| -l) |
| shift |
| port="${1##*:}" |
| serve_flags+=(-l "$1") |
| ;; |
| -v|--verbose) |
| if $verbose; then |
| very_verbose=true |
| else |
| verbose=true |
| fi |
| ;; |
| -vv) |
| verbose=true |
| very_verbose=true |
| ;; |
| *) |
| echo "Unrecognized option: $1" |
| usage |
| exit 1 |
| ;; |
| esac |
| shift |
| done |
| |
| if [[ "${verbose}" != true ]]; then |
| serve_flags+=("-q") |
| fi |
| |
| pm_srv_pid= |
| cleanup() { |
| if [[ -n "${pm_srv_pid}" ]]; then |
| if kill -0 "${pm_srv_pid}" 2> /dev/null; then |
| kill -TERM "${pm_srv_pid}" 2> /dev/null |
| wait "${pm_srv_pid}" 2> /dev/null |
| fi |
| fi |
| } |
| trap cleanup EXIT |
| |
| log() { |
| # This format matches bootserver so that `fx serve` ui is easier to read. |
| echo "$(date '+%Y-%m-%d %H:%M:%S') [serve-updates] $@" |
| } |
| |
| log_verbose() { |
| if [[ "$very_verbose" == true ]]; then |
| log "$@" |
| fi |
| } |
| |
| if [[ -z "${pm_srv_pid}" ]]; then |
| # The use of host_x64/ is deliberate over tools/. |
| "${FUCHSIA_BUILD_DIR}/host_x64/pm" serve -repo "${FUCHSIA_BUILD_DIR}/amber-files" "${serve_flags[@]}" & |
| pm_srv_pid=$! |
| fi |
| |
| # Allow a little slack for pm serve to startup, that way the first kill -0 will catch a dead server |
| sleep 0.1 |
| if ! kill -0 "${pm_srv_pid}" 2> /dev/null; then |
| log "Server died, exiting" |
| wait |
| exit $? |
| fi |
| |
| log "Discovery..." |
| |
| # State is used to prevent too much output |
| state="discover" |
| while true; do |
| if ! kill -0 "${pm_srv_pid}" 2> /dev/null; then |
| log "Server died, exiting" |
| pm_srv_pid= |
| exit 1 |
| fi |
| |
| if [[ "$state" == "discover" ]]; then |
| fx-command-run shell exit 2>/dev/null |
| ping_result=$? |
| else |
| fx-command-run shell -O check > /dev/null 2>&1 |
| ping_result=$? |
| fi |
| |
| if [[ "$state" == "discover" && "$ping_result" == 0 ]]; then |
| log "Device up" |
| state="config" |
| fi |
| |
| if [[ "$state" == "config" ]]; then |
| log "Registering devhost as update source" |
| if fx-command-run add-update-source --port "${port}"; then |
| log "Ready to push packages!" |
| # Log the uptime so that it is clear(er) from fx serve if the device rebooted. |
| # The tr is present as the output sometimes contains spurious control characters. |
| uptime=$(fx-command-run shell clock --monotonic | tr '[[:cntrl:]]' ' ' ) && { |
| log "Target uptime: $(( $uptime / 1000000000 ))" |
| } |
| state="ready" |
| else |
| log "Device lost while configuring update source" |
| state="discover" |
| fi |
| fi |
| |
| if [[ "$state" == "ready" ]]; then |
| if [[ "$ping_result" != 0 ]]; then |
| log "Device lost" |
| state="discover" |
| else |
| sleep 1 |
| fi |
| fi |
| done |
| |
| # See EXIT trap above for cleanup that occurs |