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#ifndef slic3r_GCodeSender_hpp_
#define slic3r_GCodeSender_hpp_
#include "libslic3r.h"
#include <queue>
#include <string>
#include <vector>
#include <boost/asio.hpp>
#include <boost/bind.hpp>
#include <boost/thread.hpp>
namespace Slic3r {
namespace asio = boost::asio;
class GCodeSender : private boost::noncopyable {
public:
GCodeSender();
~GCodeSender();
bool connect(std::string devname, unsigned int baud_rate);
void send(const std::vector<std::string> &lines, bool priority = false);
void send(const std::string &s, bool priority = false);
void disconnect();
bool error_status() const;
bool is_connected() const;
bool wait_connected(unsigned int timeout = 3) const;
size_t queue_size() const;
void pause_queue();
void resume_queue();
void purge_queue(bool priority = false);
std::vector<std::string> purge_log();
std::string getT() const;
std::string getB() const;
void set_DTR(bool on);
void reset();
private:
asio::io_service io;
asio::serial_port serial;
boost::thread background_thread;
boost::asio::streambuf read_buffer, write_buffer;
bool open; // whether the serial socket is connected
bool connected; // whether the printer is online
bool error;
mutable boost::mutex error_mutex;
// this mutex guards queue, priqueue, can_send, queue_paused, sent, last_sent
mutable boost::mutex queue_mutex;
std::queue<std::string> queue;
std::list<std::string> priqueue;
bool can_send;
bool queue_paused;
size_t sent;
std::vector<std::string> last_sent;
// this mutex guards log, T, B
mutable boost::mutex log_mutex;
std::queue<std::string> log;
std::string T, B;
void set_baud_rate(unsigned int baud_rate);
void set_error_status(bool e);
void do_send();
void on_write(const boost::system::error_code& error, size_t bytes_transferred);
void do_close();
void do_read();
void on_read(const boost::system::error_code& error, size_t bytes_transferred);
void send();
};
} // namespace Slic3r
#endif /* slic3r_GCodeSender_hpp_ */
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