test('multilevel should not blow up when using live stream overlapping a sublevel',function(t){
var db = sublevel(level('./_testdb'));
var subdb = db.sublevel('s');
livestream.install(db);
db.pre(function(ch,add){
if(ch.type == "put") add({type:"put",key:ch.key,value:ch.value,prefix:subdb});
});
multilevel.writeManifest(db, __dirname + '/manifest.json');
var manifest = require('./manifest.json');
var client = multilevel.client(manifest);
var server = multilevel.server(db);
server.pipe(client.createRpcStream()).pipe(server);
client.liveStream().on('data',function(change){
t.ok(change,'should not have crashed');
t.end();
});
db.put('z',1);
});
DbServer.prototype.writeManifest = function (manifest) {
var db,
filepath;
db = this.db;
filepath = Path.resolve(__dirname, this.settings.manifest);
Multilevel.writeManifest(db, filepath);
};
.on('end', () => {
multilevel.writeManifest(sub, METADATA_PATH + MANIFEST_JSON);
this.logger.info('starting metadata file backend server');
/* We start a server that will server the sublevel
capable rootDB to clients */
net.createServer(con => {
con.pipe(multilevel.server(sub)).pipe(con);
}).listen(METADATA_PORT);
});
sub.createSub = (subName, cb) => {
try {
sub.sublevel(subName);
multilevel.writeManifest(sub,
METADATA_PATH +
MANIFEST_JSON_TMP);
fs.renameSync(METADATA_PATH + MANIFEST_JSON_TMP,
METADATA_PATH + MANIFEST_JSON);
cb();
} catch (err) {
cb(err);
}
};
function Server (options) {
if (!(this instanceof Server)) { return new Server(options) }
EventEmitter.call(this);
options = options || {};
this.location = options.location || 'level-agile.db';
this.valueEncoding = options.valueEncoding || 'json';
this.db = sublevel(level(this.location, { valueEncoding: this.valueEncoding }));
LiveStream.install(this.db);
//
// Creates a manifest file for use with client, kept here for autogeneration
//
multilevel.writeManifest(this.db, path.join(__dirname, '..', 'manifest.json'));
this.server = net.createServer(this._onSocketConnect.bind(this));
};
}
else {
res.end('oops!')
}
});
// 2: db
var levelup = require('levelup');
var memdown = require('memdown');
server.listen(process.env.PORT || 3000);
var db = levelup('/messages', {db: memdown});
// 3: sockets
var multilevel = require('multilevel');
multilevel.writeManifest(db, __dirname + '/manifest.json');
var engine = EngineServer(function(stream) {
stream.pipe(multilevel.server(db)).pipe(stream);
});
var level = require('level')
level('/tmp/level-live-stream',
{createIfMissing: true}, function (err, db) {
var liveStream = require('level-live-stream')(db)
liveStream
.on('data', console.log)