123
TcpClient.h
- Committer:
- advxolltm
- Date:
- 2022-06-06
- Revision:
- 19:543c2d21e510
- Parent:
- 13:95c00132cd98
File content as of revision 19:543c2d21e510:
/* UIPClient.h - Arduino implementation of a UIP wrapper class. Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de> 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 TCPCLIENT_h #define TCPCLIENT_h #include "mbed.h" #include "IpAddress.h" #include "utility/MemPool.h" extern "C" { #include "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 { Timer pollTimer; uint8_t state; uip_ipaddr_t ripaddr; /**< The IP address of the remote host. */ memhandle packets_in[UIP_SOCKET_NUMPACKETS]; memhandle packets_out[UIP_SOCKET_NUMPACKETS]; memaddress out_pos; } uip_userdata_t; class UipEthernet; class TcpClient { public: TcpClient(); TcpClient(uip_userdata_t* conn_data); virtual ~TcpClient() {} int open(UipEthernet* ethernet); int connect(IpAddress ip, uint16_t port); int connect(const char* host, uint16_t port); int recv(uint8_t* buf, size_t size); void stop(); uint8_t connected(); void setInstance(TcpClient* client); operator bool(); virtual bool operator ==(const TcpClient& ); virtual bool operator !=(const TcpClient& rhs) { return !this->operator ==(rhs); } int send(uint8_t); int send(const uint8_t* buf, size_t size); size_t available(); int recv(); int peek(); void flush(); const char* getpeername(); IpAddress getRemoteIp(); void close(); static uip_userdata_t all_data[UIP_CONNS]; static int _write(uip_userdata_t* , const uint8_t* buf, size_t size); protected: uint8_t* rawIPAddress(IpAddress& addr) { return addr.rawAddress(); } private: uip_userdata_t* data; TcpClient* _instance; static uip_userdata_t* _allocateData(); static size_t _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 UipEthernet; friend class TcpServer; friend void uipclient_appcall(); }; #endif