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Dependencies:   F7_Ethernet WebSocketClient mbed mcp3008

Fork of Nucleo_F746ZG_Ethernet by Dieter Graef

F7_Ethernet/Socket/TCPSocketServer.cpp@0:f9b6112278fe, 2016-06-18 (annotated)

Committer:
DieterGraef
Date:
Sat Jun 18 10:49:12 2016 +0000
Revision:
0:f9b6112278fe
Ethernet for the NUCLEO STM32F746 Board Testprogram uses DHCP and NTP to set the clock

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DieterGraef 0:f9b6112278fe 1 /* Copyright (C) 2012 mbed.org, MIT License
DieterGraef 0:f9b6112278fe 2 *
DieterGraef 0:f9b6112278fe 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
DieterGraef 0:f9b6112278fe 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
DieterGraef 0:f9b6112278fe 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
DieterGraef 0:f9b6112278fe 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
DieterGraef 0:f9b6112278fe 7 * furnished to do so, subject to the following conditions:
DieterGraef 0:f9b6112278fe 8 *
DieterGraef 0:f9b6112278fe 9 * The above copyright notice and this permission notice shall be included in all copies or
DieterGraef 0:f9b6112278fe 10 * substantial portions of the Software.
DieterGraef 0:f9b6112278fe 11 *
DieterGraef 0:f9b6112278fe 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
DieterGraef 0:f9b6112278fe 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
DieterGraef 0:f9b6112278fe 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DieterGraef 0:f9b6112278fe 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
DieterGraef 0:f9b6112278fe 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
DieterGraef 0:f9b6112278fe 17 */
DieterGraef 0:f9b6112278fe 18 #include "TCPSocketServer.h"
DieterGraef 0:f9b6112278fe 19
DieterGraef 0:f9b6112278fe 20 #include <cstring>
DieterGraef 0:f9b6112278fe 21
DieterGraef 0:f9b6112278fe 22 using std::memset;
DieterGraef 0:f9b6112278fe 23 using std::memcpy;
DieterGraef 0:f9b6112278fe 24
DieterGraef 0:f9b6112278fe 25 TCPSocketServer::TCPSocketServer() {
DieterGraef 0:f9b6112278fe 26
DieterGraef 0:f9b6112278fe 27 }
DieterGraef 0:f9b6112278fe 28
DieterGraef 0:f9b6112278fe 29 int TCPSocketServer::bind(int port) {
DieterGraef 0:f9b6112278fe 30 if (init_socket(SOCK_STREAM) < 0)
DieterGraef 0:f9b6112278fe 31 return -1;
DieterGraef 0:f9b6112278fe 32
DieterGraef 0:f9b6112278fe 33 struct sockaddr_in localHost;
DieterGraef 0:f9b6112278fe 34 memset(&localHost, 0, sizeof(localHost));
DieterGraef 0:f9b6112278fe 35
DieterGraef 0:f9b6112278fe 36 localHost.sin_family = AF_INET;
DieterGraef 0:f9b6112278fe 37 localHost.sin_port = htons(port);
DieterGraef 0:f9b6112278fe 38 localHost.sin_addr.s_addr = INADDR_ANY;
DieterGraef 0:f9b6112278fe 39
DieterGraef 0:f9b6112278fe 40 if (lwip_bind(_sock_fd, (const struct sockaddr *) &localHost, sizeof(localHost)) < 0) {
DieterGraef 0:f9b6112278fe 41 close();
DieterGraef 0:f9b6112278fe 42 return -1;
DieterGraef 0:f9b6112278fe 43 }
DieterGraef 0:f9b6112278fe 44
DieterGraef 0:f9b6112278fe 45 return 0;
DieterGraef 0:f9b6112278fe 46 }
DieterGraef 0:f9b6112278fe 47
DieterGraef 0:f9b6112278fe 48 int TCPSocketServer::listen(int max) {
DieterGraef 0:f9b6112278fe 49 if (_sock_fd < 0)
DieterGraef 0:f9b6112278fe 50 return -1;
DieterGraef 0:f9b6112278fe 51
DieterGraef 0:f9b6112278fe 52 if (lwip_listen(_sock_fd, max) < 0) {
DieterGraef 0:f9b6112278fe 53 close();
DieterGraef 0:f9b6112278fe 54 return -1;
DieterGraef 0:f9b6112278fe 55 }
DieterGraef 0:f9b6112278fe 56
DieterGraef 0:f9b6112278fe 57 return 0;
DieterGraef 0:f9b6112278fe 58 }
DieterGraef 0:f9b6112278fe 59
DieterGraef 0:f9b6112278fe 60 int TCPSocketServer::accept(TCPSocketConnection& connection) {
DieterGraef 0:f9b6112278fe 61 if (_sock_fd < 0)
DieterGraef 0:f9b6112278fe 62 return -1;
DieterGraef 0:f9b6112278fe 63
DieterGraef 0:f9b6112278fe 64 if (!_blocking) {
DieterGraef 0:f9b6112278fe 65 TimeInterval timeout(_timeout);
DieterGraef 0:f9b6112278fe 66 if (wait_readable(timeout) != 0)
DieterGraef 0:f9b6112278fe 67 return -1;
DieterGraef 0:f9b6112278fe 68 }
DieterGraef 0:f9b6112278fe 69 connection.reset_address();
DieterGraef 0:f9b6112278fe 70 socklen_t newSockRemoteHostLen = sizeof(connection._remoteHost);
DieterGraef 0:f9b6112278fe 71 int fd = lwip_accept(_sock_fd, (struct sockaddr*) &connection._remoteHost, &newSockRemoteHostLen);
DieterGraef 0:f9b6112278fe 72 if (fd < 0)
DieterGraef 0:f9b6112278fe 73 return -1; //Accept failed
DieterGraef 0:f9b6112278fe 74 connection._sock_fd = fd;
DieterGraef 0:f9b6112278fe 75 connection._is_connected = true;
DieterGraef 0:f9b6112278fe 76 connection.set_address(connection._remoteHost.sin_addr);
DieterGraef 0:f9b6112278fe 77 return 0;
DieterGraef 0:f9b6112278fe 78 }