Helmut Tschemernjak / WIZnetInterface

WIZNet W5500 with additional enhancements

Fork of WIZnetInterface by WIZnet

Socket/Socket.cpp@34:7d44648ec5f2, 2017-10-09 (annotated)

Committer:
Helmut Tschemernjak
Date:
Mon Oct 09 19:58:19 2017 +0200
Revision:
34:7d44648ec5f2
Parent:
0:6f28332c466f 
Added support for manual DNS server config or DHCP DNS config.

Now the DNS 8.8.8.8 is only a fallback if no DNS server is specified.

Replaced error() messages with printf() to avoid hanging code in error()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Soohwan Kim 0:6f28332c466f 1 /* Copyright (C) 2012 mbed.org, MIT License
Soohwan Kim 0:6f28332c466f 2 *
Soohwan Kim 0:6f28332c466f 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Soohwan Kim 0:6f28332c466f 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
Soohwan Kim 0:6f28332c466f 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
Soohwan Kim 0:6f28332c466f 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
Soohwan Kim 0:6f28332c466f 7 * furnished to do so, subject to the following conditions:
Soohwan Kim 0:6f28332c466f 8 *
Soohwan Kim 0:6f28332c466f 9 * The above copyright notice and this permission notice shall be included in all copies or
Soohwan Kim 0:6f28332c466f 10 * substantial portions of the Software.
Soohwan Kim 0:6f28332c466f 11 *
Soohwan Kim 0:6f28332c466f 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Soohwan Kim 0:6f28332c466f 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Soohwan Kim 0:6f28332c466f 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Soohwan Kim 0:6f28332c466f 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Soohwan Kim 0:6f28332c466f 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Soohwan Kim 0:6f28332c466f 17 */
Soohwan Kim 0:6f28332c466f 18
Soohwan Kim 0:6f28332c466f 19 #include "Socket.h"
Soohwan Kim 0:6f28332c466f 20
Soohwan Kim 0:6f28332c466f 21 Socket::Socket() : _sock_fd(-1),_blocking(true), _timeout(1500)
Soohwan Kim 0:6f28332c466f 22 {
Soohwan Kim 0:6f28332c466f 23 eth = WIZnet_Chip::getInstance();
Soohwan Kim 0:6f28332c466f 24 if (eth == NULL) {
Helmut Tschemernjak 34:7d44648ec5f2 25 printf("Socket constructor error: no W7500 instance available!\r\n");
Soohwan Kim 0:6f28332c466f 26 }
Soohwan Kim 0:6f28332c466f 27 }
Soohwan Kim 0:6f28332c466f 28
Soohwan Kim 0:6f28332c466f 29 void Socket::set_blocking(bool blocking, unsigned int timeout)
Soohwan Kim 0:6f28332c466f 30 {
Soohwan Kim 0:6f28332c466f 31 _blocking = blocking;
Soohwan Kim 0:6f28332c466f 32 _timeout = timeout;
Soohwan Kim 0:6f28332c466f 33 }
Soohwan Kim 0:6f28332c466f 34
Soohwan Kim 0:6f28332c466f 35 int Socket::close()
Soohwan Kim 0:6f28332c466f 36 {
Soohwan Kim 0:6f28332c466f 37 // add this code refer from EthernetInterface.
Soohwan Kim 0:6f28332c466f 38 // update by Patrick Pollet
Soohwan Kim 0:6f28332c466f 39 int res;
Soohwan Kim 0:6f28332c466f 40 res = eth->close(_sock_fd);
Soohwan Kim 0:6f28332c466f 41 _sock_fd = -1;
Soohwan Kim 0:6f28332c466f 42 return (res)? 0: -1;
Soohwan Kim 0:6f28332c466f 43 }
Soohwan Kim 0:6f28332c466f 44
Soohwan Kim 0:6f28332c466f 45 Socket::~Socket()
Soohwan Kim 0:6f28332c466f 46 {
Soohwan Kim 0:6f28332c466f 47 close(); //Don't want to leak
Soohwan Kim 0:6f28332c466f 48 }