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sync content check refactoring

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This commit is contained in:
azivner 2018-04-07 22:59:47 -04:00
parent 36b15f474d
commit 982796255d
2 changed files with 35 additions and 40 deletions
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29
src/services/content_hash.js
View File

@ -1,6 +1,10 @@
"use strict";
const sql = require('./sql');
const utils = require('./utils');
const log = require('./log');
const eventLogService = require('./event_log');
const messagingService = require('./messaging');
function getHash(rows) {
let hash = '';
@ -121,6 +125,29 @@ async function getHashes() {
return hashes;
}
async function checkContentHashes(otherHashes) {
const hashes = await getHashes();
let allChecksPassed = true;
for (const key in hashes) {
if (hashes[key] !== otherHashes[key]) {
allChecksPassed = false;
await eventLogService.addEvent(`Content hash check for ${key} FAILED. Local is ${hashes[key]}, remote is ${resp.hashes[key]}`);
if (key !== 'recent_notes') {
// let's not get alarmed about recent notes which get updated often and can cause failures in race conditions
await messagingService.sendMessageToAllClients({type: 'sync-hash-check-failed'});
}
}
}
if (allChecksPassed) {
log.info("Content hash checks PASSED");
}
}
module.exports = {
getHashes
getHashes,
checkContentHashes
};

46
src/services/sync.js
View File

@ -10,10 +10,8 @@ const sourceIdService = require('./source_id');
const dateUtils = require('./date_utils');
const syncUpdateService = require('./sync_update');
const contentHashService = require('./content_hash');
const eventLogService = require('./event_log');
const fs = require('fs');
const appInfo = require('./app_info');
const messagingService = require('./messaging');
const syncSetup = require('./sync_setup');
const syncMutexService = require('./sync_mutex');
const cls = require('./cls');
@ -183,12 +181,6 @@ async function pushSync(syncContext) {
}
}
function serializeNoteContentBuffer(note) {
if (note.type === 'file') {
note.content = note.content.toString("binary");
}
}
async function checkContentHash(syncContext) {
const resp = await syncRequest(syncContext, 'GET', '/api/sync/check');
@ -207,25 +199,7 @@ async function checkContentHash(syncContext) {
return;
}
const hashes = await contentHashService.getHashes();
let allChecksPassed = true;
for (const key in hashes) {
if (hashes[key] !== resp.hashes[key]) {
allChecksPassed = false;
await eventLogService.addEvent(`Content hash check for ${key} FAILED. Local is ${hashes[key]}, remote is ${resp.hashes[key]}`);
if (key !== 'recent_notes') {
// let's not get alarmed about recent notes which get updated often and can cause failures in race conditions
await messagingService.sendMessageToAllClients({type: 'sync-hash-check-failed'});
}
}
}
if (allChecksPassed) {
log.info("Content hash checks PASSED");
}
await contentHashService.checkContentHashes(resp.hashes);
}
async function syncRequest(syncContext, method, uri, body) {
@ -270,7 +244,7 @@ const primaryKeys = {
async function getEntityRow(entityName, entityId) {
if (entityName === 'note_reordering') {
return await getNoteReordering(entityId);
return await sql.getMap("SELECT branchId, notePosition FROM branches WHERE parentNoteId = ? AND isDeleted = 0", [entityId]);
}
else {
const primaryKey = primaryKeys[entityName];
@ -279,16 +253,16 @@ async function getEntityRow(entityName, entityId) {
throw new Error("Unknown entity " + entityName);
}
const entityRow = await sql.getRow(`SELECT * FROM ${entityName} WHERE ${primaryKey} = ?`, [entityId]);
const entity = await sql.getRow(`SELECT * FROM ${entityName} WHERE ${primaryKey} = ?`, [entityId]);
if (entityName === 'notes') {
serializeNoteContentBuffer(entityRow);
if (entityName === 'notes' && entity.type === 'file') {
entity.content = entity.content.toString("binary");
}
else if (entityName === 'images') {
entityRow.data = entityRow.data.toString('base64');
entity.data = entity.data.toString('base64');
}
return entityRow;
return entity;
}
}
@ -314,10 +288,6 @@ async function getSyncRecords(syncs) {
return records;
}
async function getNoteReordering(parentNoteId) {
return await sql.getMap("SELECT branchId, notePosition FROM branches WHERE parentNoteId = ? AND isDeleted = 0", [parentNoteId])
}
sqlInit.dbReady.then(() => {
if (syncSetup.isSyncSetup) {
log.info("Setting up sync to " + syncSetup.SYNC_SERVER + " with timeout " + syncSetup.SYNC_TIMEOUT);
@ -344,7 +314,5 @@ sqlInit.dbReady.then(() => {
module.exports = {
sync,
serializeNoteContentBuffer,
getEntityRow,
getSyncRecords
};