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// Copyright (c) 2023 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_NODE_KERNEL_NOTIFICATIONS_H
#define BITCOIN_NODE_KERNEL_NOTIFICATIONS_H
#include <kernel/notifications_interface.h>
#include <atomic>
#include <cstdint>
class ArgsManager;
class CBlockIndex;
enum class SynchronizationState;
struct bilingual_str;
namespace kernel {
enum class Warning;
} // namespace kernel
namespace util {
class SignalInterrupt;
} // namespace util
namespace node {
class Warnings;
static constexpr int DEFAULT_STOPATHEIGHT{0};
class KernelNotifications : public kernel::Notifications
{
public:
KernelNotifications(util::SignalInterrupt& shutdown, std::atomic<int>& exit_status, node::Warnings& warnings)
: m_shutdown(shutdown), m_exit_status{exit_status}, m_warnings{warnings} {}
[[nodiscard]] kernel::InterruptResult blockTip(SynchronizationState state, CBlockIndex& index) override;
void headerTip(SynchronizationState state, int64_t height, int64_t timestamp, bool presync) override;
void progress(const bilingual_str& title, int progress_percent, bool resume_possible) override;
void warningSet(kernel::Warning id, const bilingual_str& message) override;
void warningUnset(kernel::Warning id) override;
void flushError(const bilingual_str& message) override;
void fatalError(const bilingual_str& message) override;
//! Block height after which blockTip notification will return Interrupted{}, if >0.
int m_stop_at_height{DEFAULT_STOPATHEIGHT};
//! Useful for tests, can be set to false to avoid shutdown on fatal error.
bool m_shutdown_on_fatal_error{true};
private:
util::SignalInterrupt& m_shutdown;
std::atomic<int>& m_exit_status;
node::Warnings& m_warnings;
};
void ReadNotificationArgs(const ArgsManager& args, KernelNotifications& notifications);
} // namespace node
#endif // BITCOIN_NODE_KERNEL_NOTIFICATIONS_H
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