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UIPClient.h
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UIPClient.h
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/*
UIPClient.h - Arduino implementation of a uIP wrapper class.
Copyright (c) 2013 Norbert Truchsess <[email protected]>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UIPCLIENT_H
#define UIPCLIENT_H
#include "ethernet_comp.h"
#include "Print.h"
#import "Client.h"
#import "utility/mempool.h"
extern "C" {
#import "utility/uip.h"
}
#define UIP_SOCKET_DATALEN UIP_TCP_MSS
//#define UIP_SOCKET_NUMPACKETS UIP_RECEIVE_WINDOW/UIP_TCP_MSS+1
#ifndef UIP_SOCKET_NUMPACKETS
#define UIP_SOCKET_NUMPACKETS 5
#endif
#define UIP_CLIENT_CONNECTED 0x10
#define UIP_CLIENT_CLOSE 0x20
#define UIP_CLIENT_REMOTECLOSED 0x40
#define UIP_CLIENT_RESTART 0x80
#define UIP_CLIENT_STATEFLAGS (UIP_CLIENT_CONNECTED | UIP_CLIENT_CLOSE | UIP_CLIENT_REMOTECLOSED | UIP_CLIENT_RESTART)
#define UIP_CLIENT_SOCKETS ~UIP_CLIENT_STATEFLAGS
typedef uint8_t uip_socket_ptr;
typedef struct {
uint8_t state;
memhandle packets_in[UIP_SOCKET_NUMPACKETS];
uint16_t lport; /**< The local TCP port, in network byte order. */
} uip_userdata_closed_t;
typedef struct {
uint8_t state;
memhandle packets_in[UIP_SOCKET_NUMPACKETS];
memhandle packets_out[UIP_SOCKET_NUMPACKETS+1];
memaddress out_pos;
#if UIP_CLIENT_TIMER >= 0
unsigned long timer;
#endif
bool windowOpened;
uint32_t restartTime;
uint32_t restartInterval;
uint16_t dataCnt;
} uip_userdata_t;
class UIPClient : public Client {
public:
UIPClient();
int connect(IPAddress ip, uint16_t port);
int connect(const char *host, uint16_t port);
int read(uint8_t *buf, size_t size);
void stop();
uint8_t connected();
operator bool();
virtual bool operator==(const EthernetClient&);
virtual bool operator!=(const EthernetClient& rhs) { return !this->operator==(rhs); };
size_t write(uint8_t);
size_t write(const uint8_t *buf, size_t size);
int available();
int waitAvailable(uint32_t timeout=500);
int read();
int peek();
void flush();
using Print::write;
private:
UIPClient(struct uip_conn *_conn);
UIPClient(uip_userdata_t* conn_data);
uip_userdata_t* data;
static uip_userdata_t all_data[UIP_CONNS];
static uip_userdata_t* _allocateData();
static size_t _write(uip_userdata_t *,const uint8_t *buf, size_t size);
static int _available(uip_userdata_t *);
static uint8_t _currentBlock(memhandle* blocks);
static void _eatBlock(memhandle* blocks);
static void _flushBlocks(memhandle* blocks);
#ifdef UIPETHERNET_DEBUG_CLIENT
static void _dumpAllData();
#endif
friend class UIPEthernetClass;
friend class UIPServer;
friend void uipclient_appcall(void);
};
#endif