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allwpilib/simulation/halsim_ws_server/src/main/native/include/HALSimWSServer.h

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/*----------------------------------------------------------------------------*/
/* Copyright (c) 2017-2020 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. */
/*----------------------------------------------------------------------------*/
#pragma once
#include <memory>
#include <string>
#include <WSBaseProvider.h>
#include <WSProviderContainer.h>
#include <WSProvider_SimDevice.h>
#include <wpi/StringMap.h>
#include <wpi/json.h>
#include <wpi/mutex.h>
#include <wpi/uv/AsyncFunction.h>
#include <wpi/uv/Buffer.h>
#include <wpi/uv/Loop.h>
#include <wpi/uv/Tcp.h>
namespace wpilibws {
class HALSimHttpConnection;
class HALSimWeb {
public:
static std::shared_ptr<HALSimWeb> GetInstance() { return g_instance; }
static void SetInstance(std::shared_ptr<HALSimWeb> inst) {
g_instance = inst;
}
explicit HALSimWeb(ProviderContainer& providers,
HALSimWSProviderSimDevices& simDevicesProvider)
: m_providers(providers), m_simDevicesProvider(simDevicesProvider) {}
HALSimWeb(const HALSimWeb&) = delete;
HALSimWeb& operator=(const HALSimWeb&) = delete;
bool Initialize();
static void Main(void*);
static void Exit(void*);
bool RegisterWebsocket(std::shared_ptr<HALSimBaseWebSocketConnection> hws);
void CloseWebsocket(std::shared_ptr<HALSimBaseWebSocketConnection> hws);
// network -> sim
void OnNetValueChanged(const wpi::json& msg);
std::string GetServerUri() const { return m_uri; }
int GetServerPort() { return m_port; }
std::shared_ptr<wpi::uv::Loop> GetLoop() { return m_loop; }
private:
static std::shared_ptr<HALSimWeb> g_instance;
void MainLoop();
// connected http connection that contains active websocket
std::weak_ptr<HALSimBaseWebSocketConnection> m_hws;
// list of providers
ProviderContainer& m_providers;
HALSimWSProviderSimDevices& m_simDevicesProvider;
std::shared_ptr<wpi::uv::Loop> m_loop;
std::shared_ptr<wpi::uv::Tcp> m_server;
// Absolute paths of folders to retrieve data from
// -> /
std::string m_webroot_sys;
// -> /user
std::string m_webroot_user;
std::string m_uri;
int m_port;
};
} // namespace wpilibws