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5ab20bb27c
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
65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2015. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#ifndef NT_ISTORAGE_H_
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#define NT_ISTORAGE_H_
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#include <functional>
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#include <memory>
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#include <vector>
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#include "llvm/ArrayRef.h"
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#include "llvm/StringRef.h"
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#include "Message.h"
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#include "ntcore_cpp.h"
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namespace nt {
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class IDispatcher;
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class NetworkConnection;
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class IStorage {
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public:
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IStorage() = default;
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IStorage(const IStorage&) = delete;
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IStorage& operator=(const IStorage&) = delete;
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virtual ~IStorage() = default;
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// Accessors required by Dispatcher. An interface is used for
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// generation of outgoing messages to break a dependency loop between
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// Storage and Dispatcher.
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virtual void SetDispatcher(IDispatcher* dispatcher, bool server) = 0;
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virtual void ClearDispatcher() = 0;
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// Required for wire protocol 2.0 to get the entry type of an entry when
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// receiving entry updates (because the length/type is not provided in the
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// message itself). Not used in wire protocol 3.0.
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virtual NT_Type GetMessageEntryType(unsigned int id) const = 0;
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virtual void ProcessIncoming(std::shared_ptr<Message> msg,
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NetworkConnection* conn,
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std::weak_ptr<NetworkConnection> conn_weak) = 0;
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virtual void GetInitialAssignments(
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NetworkConnection& conn, std::vector<std::shared_ptr<Message>>* msgs) = 0;
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virtual void ApplyInitialAssignments(
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NetworkConnection& conn, llvm::ArrayRef<std::shared_ptr<Message>> msgs,
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bool new_server, std::vector<std::shared_ptr<Message>>* out_msgs) = 0;
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// Filename-based save/load functions. Used both by periodic saves and
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// accessible directly via the user API.
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virtual const char* SavePersistent(StringRef filename,
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bool periodic) const = 0;
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virtual const char* LoadPersistent(
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StringRef filename,
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std::function<void(std::size_t line, const char* msg)> warn) = 0;
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};
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} // namespace nt
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#endif // NT_ISTORAGE_H_
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