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allwpilib/ntcore/src/main/native/cpp/ConnectionNotifier.cpp

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// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
Implement independent instances. Previously, most of the classes were implemented as singletons so only one instance was possible. This change adds an instance handle-based API. In Java, this API is located in a different package than the old API (edu.wpi.first.networktables). Backwards compatibility with ITable and the old NetworkTable API is largely maintained, but a handful of classes have moved to the new package in Java (ConnectionInfo and PersistentException), and the old JNI has been completed replaced. Also: - Move SetTeam implementation to Dispatcher. - Consistently pass time through Java and C++ Value API. - Rename nt_Value.h to NetworkTableValue.h for consistency with Java. - Improve documentation - Make C++ and Java APIs more consistent - Document RPC functions and support RPC in Java. - Add polling features for entry and connection listeners and use them to move callback threads to Java level. - Remove thread start and stop hooks (as polling is available). - Make Notifiers, RpcServer, Dispatcher, and Storage mockable. - Set NOTIFY_NEW on immediate entry notifications. - Make GetTable("/") and GetTable("") equivalent. - Generate local notification for flags update when loading persistent file. And many unit test updates/changes: - Use InitGoogleMock instead of InitGoogleTest in test main. - Move test printers to TestPrinter.h/cpp. - Provide printers for StringRef, EntryNotifier, and Handle. - StorageTest: Check notifications. - Add entry notifier unit tests. - Storage: Add test for incoming entry assignment. - Update connection listener tests. - Add entry listener unit tests. Fixes #11, #140, #189, #190, #192, #193, #221
2017-04-23 10:26:17 -07:00
#include "ConnectionNotifier.h"
using namespace nt;
ConnectionNotifier::ConnectionNotifier(int inst) : m_inst(inst) {}
void ConnectionNotifier::Start() { DoStart(m_inst); }
unsigned int ConnectionNotifier::Add(
std::function<void(const ConnectionNotification& event)> callback) {
return DoAdd(callback);
}
unsigned int ConnectionNotifier::AddPolled(unsigned int poller_uid) {
return DoAdd(poller_uid);
}
void ConnectionNotifier::NotifyConnection(bool connected,
const ConnectionInfo& conn_info,
unsigned int only_listener) {
Send(only_listener, 0, connected, conn_info);
}