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Revert "Revert "Ensure VmService instance is disposed after failed direct connection attempt (#66123)" (#66164)" (#66377)

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This reverts commit 3e6863ab2bc5cd33b41646ec957969860af7d518.
This commit is contained in:
Ben Konyi 2020-09-22 16:29:13 -07:00 committed by GitHub
parent 2102bb0364
commit a3b3d53d62
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 4 deletions
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15
packages/flutter_tools/lib/src/ios/fallback_discovery.dart
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@ -156,9 +156,10 @@ class FallbackDiscovery {
// Attempt to connect to the VM service 5 times.
int attempts = 0;
Exception firstException;
VmService vmService;
while (attempts < 5) {
try {
final VmService vmService = await _vmServiceConnectUri(
vmService = await _vmServiceConnectUri(
assumedWsUri.toString(),
);
final VM vm = await vmService.getVM();
@ -167,15 +168,17 @@ class FallbackDiscovery {
isolateRefs.id,
);
final LibraryRef library = isolateResponse.rootLib;
if (library != null && library.uri.startsWith('package:$packageName')) {
if (library != null &&
(library.uri.startsWith('package:$packageName') ||
library.uri.startsWith(RegExp(r'file:\/\/\/.*\/' + packageName)))) {
UsageEvent(
_kEventName,
'success',
flutterUsage: _flutterUsage,
).send();
// We absolutely must dispose this vmService instance, otherwise
// DDS will fail to start.
// This vmService instance must be disposed of, otherwise DDS will
// fail to start.
vmService.dispose();
return Uri.parse('http://localhost:$hostPort');
}
@ -184,6 +187,10 @@ class FallbackDiscovery {
// No action, we might have failed to connect.
firstException ??= err;
_logger.printTrace(err.toString());
} finally {
// This vmService instance must be disposed of, otherwise DDS will
// fail to start.
vmService?.dispose();
}
// No exponential backoff is used here to keep the amount of time the