Files
allwpilib/ntcore/src/main/native/cpp/ConnectionNotifier.h
Austin Schuh ac751d3224 Fix unused variable warnings in ntcore (#1416)
This avoids -Wextra warnings.
2018-11-09 20:02:58 -08:00

73 lines
2.2 KiB
C++

/*----------------------------------------------------------------------------*/
/* Copyright (c) 2015-2018 FIRST. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#ifndef NTCORE_CONNECTIONNOTIFIER_H_
#define NTCORE_CONNECTIONNOTIFIER_H_
#include "CallbackManager.h"
#include "Handle.h"
#include "IConnectionNotifier.h"
#include "ntcore_cpp.h"
namespace nt {
namespace impl {
class ConnectionNotifierThread
: public CallbackThread<ConnectionNotifierThread, ConnectionNotification> {
public:
explicit ConnectionNotifierThread(int inst) : m_inst(inst) {}
bool Matches(const ListenerData& /*listener*/,
const ConnectionNotification& /*data*/) {
return true;
}
void SetListener(ConnectionNotification* data, unsigned int listener_uid) {
data->listener =
Handle(m_inst, listener_uid, Handle::kConnectionListener).handle();
}
void DoCallback(
std::function<void(const ConnectionNotification& event)> callback,
const ConnectionNotification& data) {
callback(data);
}
int m_inst;
};
} // namespace impl
class ConnectionNotifier
: public IConnectionNotifier,
public CallbackManager<ConnectionNotifier,
impl::ConnectionNotifierThread> {
friend class ConnectionNotifierTest;
friend class CallbackManager<ConnectionNotifier,
impl::ConnectionNotifierThread>;
public:
explicit ConnectionNotifier(int inst);
void Start();
unsigned int Add(std::function<void(const ConnectionNotification& event)>
callback) override;
unsigned int AddPolled(unsigned int poller_uid) override;
void NotifyConnection(bool connected, const ConnectionInfo& conn_info,
unsigned int only_listener = UINT_MAX) override;
private:
int m_inst;
};
} // namespace nt
#endif // NTCORE_CONNECTIONNOTIFIER_H_