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