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- /*
-
- TELNET MODULE
-
- Copyright (C) 2017-2019 by Xose Pérez <xose dot perez at gmail dot com>
-
- */
-
- #pragma once
-
- #include <memory>
- #include <list>
-
- #include <Schedule.h>
-
- #include <ESP8266WiFi.h>
- #include <ESPAsyncTCP.h>
-
- struct AsyncBufferedClient {
- public:
- constexpr static const size_t BUFFERS_MAX = 5;
- using buffer_t = std::vector<uint8_t>;
-
- AsyncBufferedClient(AsyncClient* client);
-
- size_t write(char c);
- size_t write(const char* data, size_t size=0);
-
- void flush();
- size_t available();
-
- bool connect(const char *host, uint16_t port);
- void close(bool now = false);
- bool connected();
-
- private:
- void _addBuffer();
-
- static void _trySend(AsyncBufferedClient* client);
- static void _s_onAck(void* client_ptr, AsyncClient*, size_t, uint32_t);
- static void _s_onPoll(void* client_ptr, AsyncClient* client);
-
- std::unique_ptr<AsyncClient> _client;
- std::list<buffer_t> _buffers;
- };
-
- #if TELNET_SERVER == TELNET_SERVER_WIFISERVER
- using TTelnetServer = WiFiServer;
- using TTelnetClient = WiFiClient;
- #elif TELNET_SERVER == TELNET_SERVER_ASYNC
- using TTelnetServer = AsyncServer;
- #if TELNET_SERVER_ASYNC_BUFFERED
- using TTelnetClient = AsyncBufferedClient;
- #else
- using TTelnetClient = AsyncClient;
- #endif // TELNET_SERVER_ASYNC_BUFFERED
- #endif
-
- constexpr const char TELNET_IAC = 0xFF;
- constexpr const char TELNET_XEOF = 0xEC;
-
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