this.unzipIfNeeded(data, function(err,data) {
try {
if(err){ // if unzippable - throw to remove
throw Error('unzippable: ' + err);
}
// get the json out of the data
var diskdata = JSON.parse(data);
} catch (err) {
// when the deserialize doesn't work, probably the file is uncomplete - so we delete it and ignore the error
try {
fs.unlinksync(filename);
// unlink binary
glob(filename.replace(/\.dat$/, '*.bin'), function (err, result) {
if (!err) {
async.each(result, fs.unlink);
}
});
} catch (ignore) {
}
return callback();
}
// update the size in the metadata - this value isn't correctly stored in the file
// diskdata.size = data.length;
// update collection size
this.currentsize += diskdata.size;
// remove the entrys content - we don't want the content in the memory (only the meta informations)
diskdata.value = null;
delete diskdata.value;
// and put the entry in the store
this.collection[diskdata.key] = diskdata;
// check for expiry - in this case we instantly delete the entry
if (diskdata.expires < new Date()) {
this.del(diskdata.key, function () {
return callback();
});
} else {
return callback();
}
}.bind(this));
fs.readFile(filename, function (err, data) {
// stop file processing when there was an reading error
if (err) {
return callback();
}
try {
// get the json out of the data
var diskdata = JSON.parse(data);
} catch(err) {
// when the deserialize doesn't work, probably the file is uncomplete - so we delete it and ignore the error
try {
fs.unlinksync(filename);
} catch(ignore) {
}
return callback();
}
// update the size in the metadata - this value isn't correctly stored in the file
diskdata.size = data.length;
// update collection size
this.currentsize+=data.length;
// remove the entrys content - we don't want the content in the memory (only the meta informations)
diskdata.value = null;
delete diskdata.value;
// and put the entry in the store
this.collection[diskdata.key] = diskdata;
// check for expiry - in this case we instantly delete the entry
if (diskdata.expires < new Date()) {
this.del(diskdata.key, function () {
return callback();
});
} else {
return callback();
}
}.bind(this));