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+ // Copyright (C) 2026 The Qt Company Ltd.
+ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+ #include <QtBluetooth/private/qbluetoothserver_ohos_p.h>
+ #include <QtBluetooth/private/qohosbluetoothserver_p.h>
+
+ #include <iterator>
+ #include <limits>
+ #include <optional>
+ #include <unordered_map>
+
+ QT_BEGIN_NAMESPACE
+
+ namespace QtOhosBluetooth {
+
+ namespace {
+
+ std::unordered_map<quint16, std::weak_ptr<QOhosBluetoothServerProxyContext>> &serverProxyContexts()
+ {
+ static std::unordered_map<quint16, std::weak_ptr<QOhosBluetoothServerProxyContext>> contexts;
+ return contexts;
+ }
+
+ void dropExpiredServerProxyContexts()
+ {
+ auto &contexts = serverProxyContexts();
+ for (auto context = contexts.begin(); context != contexts.end();)
+ context = context->second.expired() ? contexts.erase(context) : std::next(context);
+ }
+
+ std::optional<quint16> tryFindFreeServerPort()
+ {
+ constexpr int maxServerPort = std::numeric_limits<quint8>::max();
+ for (int candidatePort = 1; candidatePort <= maxServerPort; ++candidatePort) {
+ if (!tryGetServerProxyContext(quint16(candidatePort)))
+ return quint16(candidatePort);
+ }
+
+ return std::nullopt;
+ }
+
+ }
+
+ std::shared_ptr<QOhosBluetoothServerProxyContext> makeServerProxyContext(quint16 port)
+ {
+ dropExpiredServerProxyContexts();
+
+ const auto optServerPort = port != 0
+ ? std::make_optional(port)
+ : tryFindFreeServerPort();
+ if (!optServerPort || tryGetServerProxyContext(*optServerPort))
+ return nullptr;
+
+ auto serverProxyContext = std::make_shared<QOhosBluetoothServerProxyContext>();
+ serverProxyContext->port = *optServerPort;
+ serverProxyContext->bluetoothServerProxy = std::make_shared<QOhosBluetoothServerProxy>();
+ serverProxyContext->bluetoothSocket = std::make_shared<QBluetoothSocket>();
+ serverProxyContexts()[serverProxyContext->port] = serverProxyContext;
+
+ return serverProxyContext;
+ }
+
+ std::shared_ptr<QOhosBluetoothServerProxyContext> tryGetServerProxyContext(quint16 port)
+ {
+ auto &contexts = serverProxyContexts();
+ const auto found = contexts.find(port);
+ return found != contexts.end()
+ ? found->second.lock()
+ : nullptr;
+ }
+
+ }
+
+ QT_END_NAMESPACE