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

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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
/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2015. 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. */
/*----------------------------------------------------------------------------*/
#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);
}