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/**
* Copyright (C) 2023-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/transport/grpc/mock_server_stream.h"
#include "mongo/db/service_context.h"
#include "mongo/transport/grpc/mock_util.h"
#include "mongo/util/interruptible.h"
namespace mongo::transport::grpc {
MockServerStream::MockServerStream(HostAndPort hostAndPort,
Milliseconds timeout,
Promise<MetadataContainer>&& initialMetadataPromise,
BidirectionalPipe::End&& serverPipeEnd,
MetadataView clientMetadata)
: _deadline{getGlobalServiceContext()->getFastClockSource()->now() + timeout},
_initialMetadata(std::move(initialMetadataPromise)),
_pipe{std::move(serverPipeEnd)},
_clientMetadata{std::move(clientMetadata)},
_hostAndPort(std::move(hostAndPort)) {}
boost::optional<SharedBuffer> MockServerStream::read() {
return runWithDeadline<boost::optional<SharedBuffer>>(
_deadline, [&](Interruptible* i) { return _pipe.read(i); });
}
bool MockServerStream::isCancelled() const {
return _cancellationSource.token().isCanceled() ||
getGlobalServiceContext()->getFastClockSource()->now() > _deadline;
}
bool MockServerStream::write(ConstSharedBuffer msg) {
if (_cancellationSource.token().isCanceled() ||
getGlobalServiceContext()->getFastClockSource()->now() > _deadline) {
return false;
}
_initialMetadata.trySend();
return runWithDeadline<bool>(_deadline, [&](Interruptible* i) { return _pipe.write(msg, i); });
}
void MockServerStream::close() {
_cancellationSource.cancel();
_pipe.close();
}
} // namespace mongo::transport::grpc
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