#!/bin/sh

. /etc/utils.sh

register_experiment LogUpload30s
register_experiment LogUpload15s
register_experiment LogUpload5s

PLATFORM=$(cat /etc/platform)
case "$PLATFORM" in
  GFSC100)
    # Update this when GFSC has it's own logtype.
    LOGTYPE=tmp-spacecast_log
    ;;
  *)
    LOGTYPE=default
    ;;
esac

FREQ="--freq 60"
if experiment LogUpload30s; then
  FREQ="--freq 30"
elif experiment LogUpload15s; then
  FREQ="--freq 15"
elif experiment LogUpload5s; then
  FREQ="--freq 5"
fi

# On 3.3 or higher kernels we use the new uploader.

# /usr/bin/upload-crash-log2 uses the /dev/kmsg interface which was added in
# kernel 3.5. The kernel version check below is deliberately too low because
# the only device using a pre-3.5 kernel (windcharger) has backported the
# /dev/kmsg interface and is therefore compatible. When windcharger is
# upgraded past 3.5 we should change this version check back to "if >= 3.5"

KERNEL_MAJOR=$(uname -r | cut -d . -f 1)
KERNEL_MINOR=$(uname -r | cut -d . -f 2)
if [ "$KERNEL_MAJOR" -gt 3 ] || \
   [ "$KERNEL_MAJOR" -eq 3 -a "$KERNEL_MINOR" -ge 3 ]; then
  while :; do
    # The /tmp/logs-uploaded file is handled within upload-crash-logs2.
    nice -n 5 alivemonitor /tmp/loguploadcounter 75 10 180 \
      upload-crash-log2 --logtype=$LOGTYPE $FREQ

    # If the above program terminates we want to induce the delay here so
    # it gets started again after waiting.
    log-delay
  done
else
  while :; do
    # If this file doesn't exist, you know a log upload is already in progress.
    rm -f /tmp/logs-uploaded

    # /tmp/logs-uploaded tells anyone waiting for us that the logs have
    # finished uploading.
    nice -n 5 upload-crash-log --logtype="$LOGTYPE" &&
    : >/tmp/logs-uploaded

    log-delay
  done
fi