retr0
111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
/*
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UIPClient.h - Arduino implementation of a uIP wrapper class.
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Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
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All rights reserved.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UIPCLIENT_H
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#define UIPCLIENT_H
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#include <Client.h>
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#include "utility/mempool.h"
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extern "C" {
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#include "utility/uip.h"
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}
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#define UIP_SOCKET_DATALEN UIP_TCP_MSS
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#define UIP_CLIENT_CONNECTED 0x01
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#define UIP_CLIENT_CLOSE 0x02
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#define UIP_CLIENT_REMOTECLOSED 0x04
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#define UIP_CLIENT_RESTART 0x08
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#define UIP_CLIENT_ACCEPTED 0x10
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typedef struct {
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uint8_t conn_index;
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uint8_t state;
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memhandle packets_in[UIP_SOCKET_NUMPACKETS];
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uint16_t lport; /**< The local TCP port, in network byte order. */
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} uip_userdata_closed_t;
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typedef struct {
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uint8_t conn_index;
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uint8_t state;
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memhandle packets_in[UIP_SOCKET_NUMPACKETS] = {NOBLOCK};
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memhandle packets_out[UIP_SOCKET_NUMPACKETS] = {NOBLOCK};
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memaddress out_pos;
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} uip_userdata_t;
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class EthernetClient : public Client {
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public:
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EthernetClient();
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int connect(IPAddress ip, uint16_t port);
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int connect(const char *host, uint16_t port);
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int read(uint8_t *buf, size_t size);
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void stop();
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uint8_t connected();
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operator bool();
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virtual bool operator==(const EthernetClient&);
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virtual bool operator!=(const EthernetClient& rhs) { return !this->operator==(rhs); };
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size_t write(uint8_t);
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size_t write(const uint8_t *buf, size_t size);
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int availableForWrite();
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void flush(); // flush sends the buffered data
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int available();
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int read();
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int peek();
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void discardReceived();
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using Print::write;
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IPAddress remoteIP();
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uint16_t remotePort();
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uint8_t status();
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void setConnectionTimeout(uint16_t millis) {connectTimeout = millis;}
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private:
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EthernetClient(struct uip_conn *_conn);
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EthernetClient(uip_userdata_t* conn_data);
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uip_userdata_t* data;
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uint16_t connectTimeout = 1000 * UIP_CONNECT_TIMEOUT;
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static uip_userdata_t all_data[UIP_CONNS];
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static uip_userdata_t* _allocateData();
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static uint8_t _currentBlock(memhandle* blocks);
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static void _eatBlock(memhandle* blocks);
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static void _flushBlocks(memhandle* blocks);
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#ifdef UIPETHERNET_DEBUG_CLIENT
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static void _dumpAllData();
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#endif
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friend class UIPEthernetClass;
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friend class EthernetServer;
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friend void uipclient_appcall(void);
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};
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#endif
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