Files
XPlaneConnectCSP/xpcPlugin/MessageHandlers.h
Jason Watkins 835f1e6527 Added support for the VIEW command to the plugin.
- The VIEW command allows clients to change the camera position in X-Plane.
2015-05-08 09:03:23 -07:00

69 lines
2.3 KiB
C++

//Copyright (c) 2013-2015 United States Government as represented by the Administrator of the
//National Aeronautics and Space Administration. All Rights Reserved.
#ifndef XPC_MESSAGEHANDLERS_H
#define XPC_MESSAGEHANDLERS_H
#include "Message.h"
#include <string>
#include <map>
namespace XPC
{
/// A function that handles a message.
typedef void(*MessageHandler)(Message&);
/// Handles incommming messages and manages connections.
///
/// \author Jason Watkins
/// \version 1.0
/// \since 1.0
/// \date Intial Version: 2015-04-12
/// \date Last Updated: 2015-04-12
class MessageHandlers
{
public:
/// The first stop for all messages to the plugin after they are read from the
/// socket.
///
/// \details After a message is read, HandleMessage analyzes the sender's network address
/// to determine whether the sender is a new client. It then either loads
/// connection details for an existing client, or creates a new connection record
/// for new clients. Finally, the message handler checks the message type and
/// dispatches the message to the appropriate handler.
/// \param msg The message to be processed.
static void HandleMessage(Message& msg);
/// Sets the socke that message handlers use to send responses.
static void SetSocket(UDPSocket* socket);
private:
static void HandleConn(Message& msg);
static void HandleCtrl(Message& msg);
static void HandleData(Message& msg);
static void HandleDref(Message& msg);
static void HandleGetD(Message& msg);
static void HandlePosi(Message& msg);
static void HandleSimu(Message& msg);
static void HandleText(Message& msg);
static void HandleWypt(Message& msg);
static void HandleView(Message& msg);
static void HandleXPlaneData(Message& msg);
static void HandleUnknown(Message& msg);
typedef struct
{
unsigned char id;
sockaddr addr;
unsigned char getdCount;
std::string getdRequest[255];
} ConnectionInfo;
static std::map<std::string, ConnectionInfo> connections;
static std::map<std::string, MessageHandler> handlers;
static std::string connectionKey; // The current connection ip:port string
static ConnectionInfo connection; // The current connection record
static UDPSocket* sock; // Outgoing network socket
};
}
#endif