u-blox / Mbed 2 deprecated IBMIoTClientEthernetExample

Port to C027 (using AppShield and Ethernet)

Dependencies:   C12832 EthernetInterface LM75B MMA7660 MQTT mbed-rtos mbed

Fork of IBMIoTClientEthernetExample by IBM Watson IoT

EthernetInterface/Socket/TCPSocketServer.cpp@6:37b6d0d56190, 2014-08-20 (annotated)

Committer:
samdanbury
Date:
Wed Aug 20 12:45:14 2014 +0000
Revision:
6:37b6d0d56190
Code completely changed to improve the structure, flow and memory usage of the application

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samdanbury 6:37b6d0d56190 1 /* Copyright (C) 2012 mbed.org, MIT License
samdanbury 6:37b6d0d56190 2 *
samdanbury 6:37b6d0d56190 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samdanbury 6:37b6d0d56190 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
samdanbury 6:37b6d0d56190 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
samdanbury 6:37b6d0d56190 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
samdanbury 6:37b6d0d56190 7 * furnished to do so, subject to the following conditions:
samdanbury 6:37b6d0d56190 8 *
samdanbury 6:37b6d0d56190 9 * The above copyright notice and this permission notice shall be included in all copies or
samdanbury 6:37b6d0d56190 10 * substantial portions of the Software.
samdanbury 6:37b6d0d56190 11 *
samdanbury 6:37b6d0d56190 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samdanbury 6:37b6d0d56190 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samdanbury 6:37b6d0d56190 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samdanbury 6:37b6d0d56190 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samdanbury 6:37b6d0d56190 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samdanbury 6:37b6d0d56190 17 */
samdanbury 6:37b6d0d56190 18 #include "TCPSocketServer.h"
samdanbury 6:37b6d0d56190 19
samdanbury 6:37b6d0d56190 20 #include <cstring>
samdanbury 6:37b6d0d56190 21
samdanbury 6:37b6d0d56190 22 using std::memset;
samdanbury 6:37b6d0d56190 23 using std::memcpy;
samdanbury 6:37b6d0d56190 24
samdanbury 6:37b6d0d56190 25 TCPSocketServer::TCPSocketServer() {
samdanbury 6:37b6d0d56190 26
samdanbury 6:37b6d0d56190 27 }
samdanbury 6:37b6d0d56190 28
samdanbury 6:37b6d0d56190 29 int TCPSocketServer::bind(int port) {
samdanbury 6:37b6d0d56190 30 if (init_socket(SOCK_STREAM) < 0)
samdanbury 6:37b6d0d56190 31 return -1;
samdanbury 6:37b6d0d56190 32
samdanbury 6:37b6d0d56190 33 struct sockaddr_in localHost;
samdanbury 6:37b6d0d56190 34 memset(&localHost, 0, sizeof(localHost));
samdanbury 6:37b6d0d56190 35
samdanbury 6:37b6d0d56190 36 localHost.sin_family = AF_INET;
samdanbury 6:37b6d0d56190 37 localHost.sin_port = htons(port);
samdanbury 6:37b6d0d56190 38 localHost.sin_addr.s_addr = INADDR_ANY;
samdanbury 6:37b6d0d56190 39
samdanbury 6:37b6d0d56190 40 if (lwip_bind(_sock_fd, (const struct sockaddr *) &localHost, sizeof(localHost)) < 0) {
samdanbury 6:37b6d0d56190 41 close();
samdanbury 6:37b6d0d56190 42 return -1;
samdanbury 6:37b6d0d56190 43 }
samdanbury 6:37b6d0d56190 44
samdanbury 6:37b6d0d56190 45 return 0;
samdanbury 6:37b6d0d56190 46 }
samdanbury 6:37b6d0d56190 47
samdanbury 6:37b6d0d56190 48 int TCPSocketServer::listen(int max) {
samdanbury 6:37b6d0d56190 49 if (_sock_fd < 0)
samdanbury 6:37b6d0d56190 50 return -1;
samdanbury 6:37b6d0d56190 51
samdanbury 6:37b6d0d56190 52 if (lwip_listen(_sock_fd, max) < 0) {
samdanbury 6:37b6d0d56190 53 close();
samdanbury 6:37b6d0d56190 54 return -1;
samdanbury 6:37b6d0d56190 55 }
samdanbury 6:37b6d0d56190 56
samdanbury 6:37b6d0d56190 57 return 0;
samdanbury 6:37b6d0d56190 58 }
samdanbury 6:37b6d0d56190 59
samdanbury 6:37b6d0d56190 60 int TCPSocketServer::accept(TCPSocketConnection& connection) {
samdanbury 6:37b6d0d56190 61 if (_sock_fd < 0)
samdanbury 6:37b6d0d56190 62 return -1;
samdanbury 6:37b6d0d56190 63
samdanbury 6:37b6d0d56190 64 if (!_blocking) {
samdanbury 6:37b6d0d56190 65 TimeInterval timeout(_timeout);
samdanbury 6:37b6d0d56190 66 if (wait_readable(timeout) != 0)
samdanbury 6:37b6d0d56190 67 return -1;
samdanbury 6:37b6d0d56190 68 }
samdanbury 6:37b6d0d56190 69 connection.reset_address();
samdanbury 6:37b6d0d56190 70 socklen_t newSockRemoteHostLen = sizeof(connection._remoteHost);
samdanbury 6:37b6d0d56190 71 int fd = lwip_accept(_sock_fd, (struct sockaddr*) &connection._remoteHost, &newSockRemoteHostLen);
samdanbury 6:37b6d0d56190 72 if (fd < 0)
samdanbury 6:37b6d0d56190 73 return -1; //Accept failed
samdanbury 6:37b6d0d56190 74 connection._sock_fd = fd;
samdanbury 6:37b6d0d56190 75 connection._is_connected = true;
samdanbury 6:37b6d0d56190 76
samdanbury 6:37b6d0d56190 77 return 0;
samdanbury 6:37b6d0d56190 78 }