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#ifndef CONNECTIONBASE_H
#define CONNECTIONBASE_H
#include <stdint.h>
#include <cstdlib>
#include "message.h"
class ConnectionBase {
private:
Message::Type pending_type;
std::size_t pending_size;
protected:
//! Initiate reception of a message.
void start_recv();
//! Deliver received data.
//! \param data Pointer to received data. Ownership is retained by caller.
//! \param bytes Size of data.
void got_data(uint8_t* data, std::size_t bytes);
//! Called to request data.
//! \param bytes Amount of data requested.
virtual void request_data(std::size_t bytes) = 0;
//! Called to write data.
//! \param data Pointer to data to send. Ownership is transferred to callee.
//! \param bytes Size of data.
virtual void write_data(uint8_t* data, std::size_t bytes) = 0;
//! Called when a message is received.
//! \param msg Received message.
virtual void got_message(const Message::p& msg) = 0;
public:
ConnectionBase();
virtual ~ConnectionBase();
//! Send a message.
void send(const Message::p& msg);
};
#endif
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