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Merge pull request #4212 from balena-io/fix-race

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patch: hold request for metadata while waiting for flasher
This commit is contained in:
flowzone-app[bot] 2024-04-26 14:32:11 +00:00 committed by GitHub
commit fa8220d5ba
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2 changed files with 27 additions and 15 deletions
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34
lib/gui/app/app.ts
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@ -142,25 +142,29 @@ export let requestMetadata: any;
// start the api and spawn the child process
spawnChildAndConnect({
withPrivileges: false,
}).then(({ emit, registerHandler }) => {
// start scanning
emit('scan', {});
})
.then(({ emit, registerHandler }) => {
// start scanning
emit('scan', {});
// make the sourceMetada awaitable to be used on source selection
requestMetadata = async (params: any): Promise<SourceMetadata> => {
emit('sourceMetadata', JSON.stringify(params));
// make the sourceMetada awaitable to be used on source selection
requestMetadata = async (params: any): Promise<SourceMetadata> => {
emit('sourceMetadata', JSON.stringify(params));
return new Promise((resolve) =>
registerHandler('sourceMetadata', (data: any) => {
resolve(JSON.parse(data));
}),
);
};
return new Promise((resolve) =>
registerHandler('sourceMetadata', (data: any) => {
resolve(JSON.parse(data));
}),
);
};
registerHandler('drives', (data: any) => {
setDrives(JSON.parse(data));
registerHandler('drives', (data: any) => {
setDrives(JSON.parse(data));
});
})
.catch((error: any) => {
throw new Error(`Failed to start the flasher process. error: ${error}`);
});
});
let popupExists = false;

8
lib/gui/app/components/source-selector/source-selector.tsx
View File

@ -423,6 +423,14 @@ export class SourceSelector extends React.Component<
// this will send an event down the ipcMain asking for metadata
// we'll get the response through an event
// FIXME: This is a poor man wait while loading to prevent a potential race condition without completely blocking the interface
// This should be addressed when refactoring the GUI
let retriesLeft = 10;
while (requestMetadata === undefined && retriesLeft > 0) {
await new Promise((resolve) => setTimeout(resolve, 1050)); // api is trying to connect every 1000, this is offset to make sure we fall between retries
retriesLeft--;
}
metadata = await requestMetadata({ selected, SourceType, auth });
if (!metadata?.hasMBR && this.state.warning === null) {