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Fix possible crash on MTProto instance shutdown.

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This commit is contained in:
John Preston 2023-11-28 21:23:27 +04:00
parent 17fa50bdff
commit f442d69cb6
1 changed files with 15 additions and 4 deletions
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19
Telegram/SourceFiles/mtproto/mtp_instance.cpp
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@ -1134,9 +1134,10 @@ void Instance::Private::processCallback(const Response &response) {
QString::number(error.code()),
error.type(),
error.description()));
if (rpcErrorOccured(response, handler, error)) {
const auto guard = QPointer<Instance>(_instance);
if (rpcErrorOccured(response, handler, error) && guard) {
unregisterRequest(requestId);
} else {
} else if (guard) {
QMutexLocker locker(&_parserMapLock);
_parserMap.emplace(requestId, std::move(handler));
}
@ -1156,12 +1157,15 @@ void Instance::Private::processCallback(const Response &response) {
"RESPONSE_PARSE_FAILED",
"Error parse failed.")));
} else {
if (handler.done && !handler.done(response)) {
const auto guard = QPointer<Instance>(_instance);
if (handler.done && !handler.done(response) && guard) {
handleError(Error::Local(
"RESPONSE_PARSE_FAILED",
"Response parse failed."));
}
unregisterRequest(requestId);
if (guard) {
unregisterRequest(requestId);
}
}
} else {
DEBUG_LOG(("RPC Info: parser not found for %1").arg(requestId));
@ -1192,8 +1196,11 @@ bool Instance::Private::rpcErrorOccured(
const FailHandler &onFail,
const Error &error) { // return true if need to clean request data
if (IsDefaultHandledError(error)) {
const auto guard = QPointer<Instance>(_instance);
if (onFail && onFail(error, response)) {
return true;
} else if (!guard) {
return false;
}
}
@ -1208,7 +1215,11 @@ bool Instance::Private::rpcErrorOccured(
? QString()
: QString(": %1").arg(error.description())));
if (onFail) {
const auto guard = QPointer<Instance>(_instance);
onFail(error, response);
if (!guard) {
return false;
}
}
return true;
}