#!/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.

#### CATEGORY=Run, inspect and debug
### listen for logs.

## usage: fx syslog [--raw] [flags]
##
## Creates an SSH connection with a device and starts listening for logs.
## Pass -h to get help with log-listener flags.
## pass --raw as the first argument to get the raw, unsymbolized logs.

set -o pipefail

source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"/lib/vars.sh || exit $?

function listen {
  while true; do
    fx-command-run wait || return
    fx-command-run shell log_listener "$@"
    echo "Connection lost, reconnecting..."
  done
}

for arg in "$@"; do
  if [[ "$arg" = "-h" || "$arg" = "--help" ]]; then
    fx-command-exec shell log_listener "$arg"
  fi
done

echo "Connecting..."
if [[ $# > 0 && "$1" = "--raw" ]]; then
  shift
  listen "$@"
else
  listen "$@" | fx-symbolize
fi