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Merge pull request #4608 from matrix-org/poljar/eventindex-null-token

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Handle null tokens in the crawler loop.
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poljar 2020-05-21 12:07:18 +02:00 committed by GitHub
commit af286ade4e
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1 changed files with 23 additions and 8 deletions
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31
src/indexing/EventIndex.js
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@ -489,14 +489,20 @@ export default class EventIndex extends EventEmitter {
return object;
});
// Create a new checkpoint so we can continue crawling the room for
// messages.
const newCheckpoint = {
roomId: checkpoint.roomId,
token: res.end,
fullCrawl: checkpoint.fullCrawl,
direction: checkpoint.direction,
};
let newCheckpoint;
// The token can be null for some reason. Don't create a checkpoint
// in that case since adding it to the db will fail.
if (res.end) {
// Create a new checkpoint so we can continue crawling the room
// for messages.
newCheckpoint = {
roomId: checkpoint.roomId,
token: res.end,
fullCrawl: checkpoint.fullCrawl,
direction: checkpoint.direction,
};
}
try {
for (let i = 0; i < redactionEvents.length; i++) {
@ -506,6 +512,15 @@ export default class EventIndex extends EventEmitter {
const eventsAlreadyAdded = await indexManager.addHistoricEvents(
events, newCheckpoint, checkpoint);
// We didn't get a valid new checkpoint from the server, nothing
// to do here anymore.
if (!newCheckpoint) {
console.log("EventIndex: The server didn't return a valid ",
"new checkpoint, not continuing the crawl.", checkpoint);
continue;
}
// If all events were already indexed we assume that we catched
// up with our index and don't need to crawl the room further.
// Let us delete the checkpoint in that case, otherwise push