First TCP communicator

grbl_communication.h

@@ -0,0 +1,47 @@
+#pragma once
+
+#include <string>
+#include <thread>
+#include <queue>
+
+namespace grbl {
+
+struct transport;
+
+struct transport_callbacks {
+    virtual void on_connected(transport*) = 0;
+    virtual void on_disconnected(transport*) = 0;
+    virtual void on_line_received(std::string line, transport* ) = 0;
+};
+
+struct transport {
+    virtual void open(transport_callbacks& cb) = 0;
+    virtual void close() = 0;
+    virtual void send(std::string line) = 0;
+};
+
+struct tcp_transport : public transport {
+    virtual ~tcp_transport();
+    tcp_transport(std::string address, uint16_t port);
+
+    void open(transport_callbacks& cb) override;
+    void close() override;
+    void send(std::string line) override;
+
+private:
+
+    void worker();
+
+    std::string ip;
+    uint16_t port;
+    transport_callbacks *listener = nullptr;
+    int fd = -1;
+    volatile bool is_connected = false;
+    std::thread live_check_thread;
+    std::queue<std::string> send_queue;
+    volatile bool should_quit = false;
+    bool is_empty_line(std::string line);
+};
+
+}
+