+++ /dev/null
-#!/usr/bin/env bash
-
-# FLG - Fast Lacells.db Generator
-#
-# Simple script to quickly download and generate lacells.db for LocalGSMBackend by n76
-# https://github.com/n76/Local-GSM-Backend
-# Uses Mozilla Location Service, OpenCellID and radiocells.org databases as source
-# Based on lacells-creator by wvengen and n76
-#
-# Licensed under GPLv3 or later
-# (C)2016 Sebastian Obrusiewicz
-# sobrus@o2.pl
-
-if [ -z "$IN_BUILDBOT" ]; then
-#DEFAULT_CONFIG_BEGIN
-ENABLE_OCI=1 #enable OpenCellID data source
-ENABLE_MOZ=1 #enable Mozilla Location Services (MLS) data source
-ENABLE_RCO=0 #enable radiocells.org data source (it can be quite slow)
-
-# See https://en.wikipedia.org/wiki/Mobile_country_code
-# 208 France
-MCC="" #contry codes separated with "|", for example "260|262". Leave dot+asterisk ".*" for all countries
-RCO_SRC_FILE="fr.sqlite" #radiocells.org source database file, set "openbmap.sqlite" for entire world database, see https://radiocells.org/downloads for smaller country specific files, for example "pl.sqlite" for Poland
-RADIO="" #you can remove LTE if your phone does not support it
-TOKEN="" #your OCID token, required to download from OpenCellID. Get your free token at https://opencellid.org/
-fi
-TMPDIR='.' #for temporary files only, use disk if you don't have enough RAM, AND remember to have enough disk space in /var/tmp for sqlite temporary files
-KEEP_FILES=1 #whether to keep (1) or delete (0) the CSV files after processing
-
-#do not edit following variables, unless you know what you're doing
-EMPTY=',,,,,,,,,,,,,' #dummy empty file for disabled sources
-OCI_FILE=$TMPDIR"/ocid.csv" #opencellid temporary file
-MOZ_FILE=$TMPDIR"/mozilla.csv" #mozilla temporary file
-RCO_FILE=$TMPDIR"/rco.csv" #radiocells.org temporary file
-#DEFAULT_CONFIG_END
-
-#USER_CONFIG_BEGIN
-BINDIR=$( dirname "$(readlink -f "$0")" ) #"
-if [[ -f "${BINDIR}/config" ]]; then
- . "${BINDIR}/config"
-fi
-#USER_CONFIG_END
-
-function manage_backup
-{
- file=$1
- if [ -s $file ]
- then
- if [ $KEEP_FILES == "1" ]
- then
- gzip -kf $file
- fi
- elif [ -s $file".gz" ] && [ "${file##*.}" == "csv" ]
- then
- echo "Using" $file".gz backup file"
- gzip -dkf $file".gz"
- fi
-}
-
-
-function download_ocid
-{
- URL="https://opencellid.org/ocid/downloads?token=${TOKEN}&type=full&file=cell_towers.csv.gz"
- if [ $ENABLE_OCI == "1" ]
- then
- wget -qO- "$URL" | gunzip | egrep "^($RADIO),($MCC)," > $OCI_FILE
- manage_backup $OCI_FILE
- else
- echo $EMPTY > $OCI_FILE
- fi
-}
-
-function download_mozilla
-{
- if [ $ENABLE_MOZ == "1" ]
- then
- NW=`date -u "+%Y-%m-%d"`
- wget -qO- "https://d17pt8qph6ncyq.cloudfront.net/export/MLS-full-cell-export-${NW}T000000.csv.gz" | gunzip | egrep "^($RADIO),($MCC)," > $MOZ_FILE
- manage_backup $MOZ_FILE
- else
- echo $EMPTY > $MOZ_FILE
- fi
-}
-
-function download_radiocells
-{
- if [ $ENABLE_RCO == "1" ]
- then
- RCO_SELECT="SELECT technology, mcc, mnc, area, cid, NULL, longitude, latitude, 1000 accuracy, measurements, NULL, NULL, NULL, NULL FROM cell_zone;"
- wget -qO- "https://cdn.radiocells.org/"$RCO_SRC_FILE > $TMPDIR"/"$RCO_SRC_FILE
- sqlite3 -header -csv $TMPDIR"/"$RCO_SRC_FILE "$RCO_SELECT" | egrep "^($RADIO),($MCC)," > $RCO_FILE
- rm $TMPDIR"/"$RCO_SRC_FILE
- manage_backup $RCO_FILE
- else
- echo $EMPTY > $RCO_FILE
- fi
-}
-
-echo "Downloading data"
-
-download_ocid &
-OP=$!
-download_mozilla &
-MO=$!
-download_radiocells &
-RO=$!
-
-wait $OP
-wait $MO
-wait $RO
-
-if [ -s $MOZ_FILE ] && [ -s $OCI_FILE ] && [ -s $RCO_FILE ]
-then
-
-manage_backup lacells.db
-rm lacells.db
-
-echo "Generating database"
-
-sqlite3 lacells.db <<-SQL
-PRAGMA synchronous = OFF;
-PRAGMA journal_mode = OFF;
-
-CREATE TEMP TABLE cells_import (radio TEXT,mcc INTEGER,mnc INTEGER,lac INTEGER,cid INTEGER,unit STRING,longitude NUMERIC,latitude NUMERIC,accuracy INTEGER,samples INTEGER,changeable BOOLEAN,created INTEGER,updated INTEGER, avgSignal INTEGER);
-CREATE TABLE cells (mcc INTEGER,mnc INTEGER,lac INTEGER,cid INTEGER,longitude REAL,latitude REAL,altitude REAL,accuracy REAL,samples INTEGER);
-
-.header on
-.mode csv
-
-.import "$OCI_FILE" cells_import
-.import "$MOZ_FILE" cells_import
-.import "$RCO_FILE" cells_import
-
-UPDATE cells_import SET samples=1 WHERE samples IS NULL OR samples < 1;
-
-INSERT INTO cells
-SELECT mcc, mnc, lac, cid,
- sum(longitude * samples) / sum(samples) as longitude,
- sum(latitude * samples) / sum(samples) as latitude,
- -1 as altitude,
- sum(accuracy * samples) / sum(samples) as accuracy,
- sum(samples) as samples
-FROM cells_import
-GROUP BY mcc, mnc, lac, cid;
-
-DROP TABLE cells_import;
-
-UPDATE cells SET accuracy=500 WHERE accuracy < 500;
-UPDATE cells SET accuracy=100000 WHERE accuracy > 100000;
-
-CREATE INDEX _idx1 ON cells (mcc, mnc, lac, cid);
-CREATE INDEX _idx2 ON cells (lac, cid);
-
-VACUUM;
-SQL
-
-else
- echo "Download error"
-fi
-
-rm $OCI_FILE
-rm $MOZ_FILE
-rm $RCO_FILE