Port to C027 (using AppShield and Ethernet)
Dependencies: C12832 EthernetInterface LM75B MMA7660 MQTT mbed-rtos mbed
Fork of IBMIoTClientEthernetExample by
Diff: EthernetInterface/Socket/TCPSocketConnection.cpp
- Revision:
- 9:58eb378727d9
- Parent:
- 8:80d49dd91542
- Child:
- 10:0b5e0dfee08e
--- a/EthernetInterface/Socket/TCPSocketConnection.cpp Wed Oct 01 13:27:35 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,133 +0,0 @@ -/* 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" -#include <cstring> - -using std::memset; -using std::memcpy; - -TCPSocketConnection::TCPSocketConnection() : - _is_connected(false) { -} - -int TCPSocketConnection::connect(const char* host, const int port) { - if (init_socket(SOCK_STREAM) < 0) - return -1; - - if (set_address(host, port) != 0) - return -1; - - if (lwip_connect(_sock_fd, (const struct sockaddr *) &_remoteHost, sizeof(_remoteHost)) < 0) { - close(); - return -1; - } - _is_connected = true; - - return 0; -} - -bool TCPSocketConnection::is_connected(void) { - return _is_connected; -} - -int TCPSocketConnection::send(char* data, int length) { - if ((_sock_fd < 0) || !_is_connected) - return -1; - - if (!_blocking) { - TimeInterval timeout(_timeout); - if (wait_writable(timeout) != 0) - return -1; - } - - int n = lwip_send(_sock_fd, data, length, 0); - _is_connected = (n != 0); - - return n; -} - -// -1 if unsuccessful, else number of bytes written -int TCPSocketConnection::send_all(char* data, int length) { - if ((_sock_fd < 0) || !_is_connected) - return -1; - - int writtenLen = 0; - TimeInterval timeout(_timeout); - while (writtenLen < length) { - if (!_blocking) { - // Wait for socket to be writeable - if (wait_writable(timeout) != 0) - return writtenLen; - } - - int ret = lwip_send(_sock_fd, data + writtenLen, length - writtenLen, 0); - if (ret > 0) { - writtenLen += ret; - continue; - } else if (ret == 0) { - _is_connected = false; - return writtenLen; - } else { - return -1; //Connnection error - } - } - return writtenLen; -} - -int TCPSocketConnection::receive(char* data, int length) { - if ((_sock_fd < 0) || !_is_connected) - return -1; - - if (!_blocking) { - TimeInterval timeout(_timeout); - if (wait_readable(timeout) != 0) - return -1; - } - - int n = lwip_recv(_sock_fd, data, length, 0); - _is_connected = (n != 0); - - return n; -} - -// -1 if unsuccessful, else number of bytes received -int TCPSocketConnection::receive_all(char* data, int length) { - if ((_sock_fd < 0) || !_is_connected) - return -1; - - int readLen = 0; - TimeInterval timeout(_timeout); - while (readLen < length) { - if (!_blocking) { - //Wait for socket to be readable - if (wait_readable(timeout) != 0) - return readLen; - } - - int ret = lwip_recv(_sock_fd, data + readLen, length - readLen, 0); - if (ret > 0) { - readLen += ret; - } else if (ret == 0) { - _is_connected = false; - return readLen; - } else { - return -1; //Connnection error - } - } - return readLen; -}