This is WIZnet Ethernet Interface using Hardware TCP/IP chip, W5500, W5200 and W5100. One of them can be selected by enabling it in wiznet.h.
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Diff: WIZnetInterface/Socket/TCPSocketConnection.cpp
- Revision:
- 0:b72d22e10709
- Child:
- 6:ca8405b9564d
diff -r 000000000000 -r b72d22e10709 WIZnetInterface/Socket/TCPSocketConnection.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WIZnetInterface/Socket/TCPSocketConnection.cpp Thu May 08 03:57:58 2014 +0000 @@ -0,0 +1,113 @@ +/* Copyright (C) 2012 mbed.org, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "TCPSocketConnection.h" + +TCPSocketConnection::TCPSocketConnection() +{ +} + +int TCPSocketConnection::connect(const char* host, const int port) +{ + if (_sock_fd < 0) { + _sock_fd = eth->new_socket(); + if (_sock_fd < 0) { + return -1; + } + } + if (set_address(host, port) != 0) { + return -1; + } + if (!eth->connect(_sock_fd, get_address(), port)) { + return -1; + } + return 0; +} + +bool TCPSocketConnection::is_connected(void) +{ + return eth->is_connected(_sock_fd); +} + +int TCPSocketConnection::send(char* data, int length) +{ + int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout); + if (size < 0) { + return -1; + } + if (size > length) { + size = length; + } + return eth->send(_sock_fd, data, size); +} + +// -1 if unsuccessful, else number of bytes written +int TCPSocketConnection::send_all(char* data, int length) +{ + int writtenLen = 0; + while (writtenLen < length) { + int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout); + if (size < 0) { + return -1; + } + if (size > (length-writtenLen)) { + size = (length-writtenLen); + } + int ret = eth->send(_sock_fd, data + writtenLen, size); + if (ret < 0) { + return -1; + } + writtenLen += ret; + } + return writtenLen; +} + +// -1 if unsuccessful, else number of bytes received +int TCPSocketConnection::receive(char* data, int length) +{ + int size = eth->wait_readable(_sock_fd, _blocking ? -1 : _timeout); + if (size < 0) { + return -1; + } + if (size > length) { + size = length; + } + return eth->recv(_sock_fd, data, size); +} + +// -1 if unsuccessful, else number of bytes received +int TCPSocketConnection::receive_all(char* data, int length) +{ + int readLen = 0; + while (readLen < length) { + int size = eth->wait_readable(_sock_fd, _blocking ? -1 :_timeout); + if (size <= 0) { + break; + } + if (size > (length - readLen)) { + size = length - readLen; + } + int ret = eth->recv(_sock_fd, data + readLen, size); + if (ret < 0) { + return -1; + } + readLen += ret; + } + return readLen; +} +