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add writelock to file operations

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This commit is contained in:
Matias Alejo Garcia 2016-06-21 11:17:42 -03:00
commit f1e67ad0e6
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3 changed files with 46 additions and 18 deletions
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24
src/js/services/fileStorage.js
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@ -52,9 +52,25 @@ angular.module('copayApp.services')
})
};
root.set = function(k, v, cb) {
var writelock = {};
root.set = function(k, v, cb, delay) {
delay = delay || 100;
if (writelock[k]) {
return setTimeout(function() {
console.log('## Writelock for:' + k + ' Retrying in ' + delay);
return root.set(k, v, cb, delay + 100);
}, delay);
}
writelock[k] = true;
root.init(function(err, fs, dir) {
if (err) return cb(err);
if (err) {
writelock[k] = false;
return cb(err);
}
dir.getFile(k, {
create: true,
}, function(fileEntry) {
@ -62,13 +78,15 @@ angular.module('copayApp.services')
fileEntry.createWriter(function(fileWriter) {
fileWriter.onwriteend = function(e) {
console.log('Write completed.');
console.log('Write completed:' + k);
writelock[k] = false;
return cb();
};
fileWriter.onerror = function(e) {
var err = e.error ? e.error : JSON.stringify(e);
console.log('Write failed: ' + err);
writelock[k] = false;
return cb('Fail to write:' + err);
};