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handle disconnected database

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This commit is contained in:
Jan Prochazka
2020-05-01 19:50:55 +02:00
parent 024c7ddf21
commit cfc44e4f2f
4 changed files with 64 additions and 4 deletions
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22
packages/api/src/proc/databaseConnectionProcess.js
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@@ -10,16 +10,31 @@ let analysedStructure = null;
let lastPing = null;
let lastStatus = null;
async function checkedAsyncCall(promise) {
try {
const res = await promise;
return res;
} catch (err) {
setStatus({
name: 'error',
message: err.message,
});
// console.error(err);
setTimeout(() => process.exit(1), 1000);
throw err;
}
}
async function handleFullRefresh() {
const driver = engines(storedConnection);
analysedStructure = await driver.analyseFull(systemConnection);
analysedStructure = await checkedAsyncCall(driver.analyseFull(systemConnection));
process.send({ msgtype: 'structure', structure: analysedStructure });
setStatusName('ok');
}
async function handleIncrementalRefresh() {
const driver = engines(storedConnection);
const newStructure = await driver.analyseIncremental(systemConnection, analysedStructure);
const newStructure = await checkedAsyncCall(driver.analyseIncremental(systemConnection, analysedStructure));
if (newStructure != null) {
analysedStructure = newStructure;
process.send({ msgtype: 'structure', structure: analysedStructure });
@@ -43,9 +58,8 @@ async function handleConnect({ connection, structure }) {
lastPing = new Date().getTime();
if (!structure) setStatusName('pending');
else setStatusName('ok');
const driver = engines(storedConnection);
systemConnection = await driverConnect(driver, storedConnection);
systemConnection = await checkedAsyncCall(driverConnect(driver, storedConnection));
if (structure) {
analysedStructure = structure;
handleIncrementalRefresh();