SiSK / EthernetInterface

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Socket/TCPSocketServer.cpp@0:d7bd7384a37c, 2016-12-07 (annotated)

Committer:
grzemich
Date:
Wed Dec 07 23:47:50 2016 +0000
Revision:
0:d7bd7384a37c
dgd

Who changed what in which revision?

UserRevisionLine numberNew contents of line
grzemich 0:d7bd7384a37c 1 /* Copyright (C) 2012 mbed.org, MIT License
grzemich 0:d7bd7384a37c 2 *
grzemich 0:d7bd7384a37c 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
grzemich 0:d7bd7384a37c 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
grzemich 0:d7bd7384a37c 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
grzemich 0:d7bd7384a37c 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
grzemich 0:d7bd7384a37c 7 * furnished to do so, subject to the following conditions:
grzemich 0:d7bd7384a37c 8 *
grzemich 0:d7bd7384a37c 9 * The above copyright notice and this permission notice shall be included in all copies or
grzemich 0:d7bd7384a37c 10 * substantial portions of the Software.
grzemich 0:d7bd7384a37c 11 *
grzemich 0:d7bd7384a37c 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
grzemich 0:d7bd7384a37c 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
grzemich 0:d7bd7384a37c 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
grzemich 0:d7bd7384a37c 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
grzemich 0:d7bd7384a37c 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
grzemich 0:d7bd7384a37c 17 */
grzemich 0:d7bd7384a37c 18 #include "TCPSocketServer.h"
grzemich 0:d7bd7384a37c 19
grzemich 0:d7bd7384a37c 20 #include <cstring>
grzemich 0:d7bd7384a37c 21
grzemich 0:d7bd7384a37c 22 using std::memset;
grzemich 0:d7bd7384a37c 23 using std::memcpy;
grzemich 0:d7bd7384a37c 24
grzemich 0:d7bd7384a37c 25 TCPSocketServer::TCPSocketServer() {
grzemich 0:d7bd7384a37c 26
grzemich 0:d7bd7384a37c 27 }
grzemich 0:d7bd7384a37c 28
grzemich 0:d7bd7384a37c 29 int TCPSocketServer::bind(int port) {
grzemich 0:d7bd7384a37c 30 if (init_socket(SOCK_STREAM) < 0)
grzemich 0:d7bd7384a37c 31 return -1;
grzemich 0:d7bd7384a37c 32
grzemich 0:d7bd7384a37c 33 struct sockaddr_in localHost;
grzemich 0:d7bd7384a37c 34 memset(&localHost, 0, sizeof(localHost));
grzemich 0:d7bd7384a37c 35
grzemich 0:d7bd7384a37c 36 localHost.sin_family = AF_INET;
grzemich 0:d7bd7384a37c 37 localHost.sin_port = htons(port);
grzemich 0:d7bd7384a37c 38 localHost.sin_addr.s_addr = INADDR_ANY;
grzemich 0:d7bd7384a37c 39
grzemich 0:d7bd7384a37c 40 if (lwip_bind(_sock_fd, (const struct sockaddr *) &localHost, sizeof(localHost)) < 0) {
grzemich 0:d7bd7384a37c 41 close();
grzemich 0:d7bd7384a37c 42 return -1;
grzemich 0:d7bd7384a37c 43 }
grzemich 0:d7bd7384a37c 44
grzemich 0:d7bd7384a37c 45 return 0;
grzemich 0:d7bd7384a37c 46 }
grzemich 0:d7bd7384a37c 47
grzemich 0:d7bd7384a37c 48 int TCPSocketServer::listen(int max) {
grzemich 0:d7bd7384a37c 49 if (_sock_fd < 0)
grzemich 0:d7bd7384a37c 50 return -1;
grzemich 0:d7bd7384a37c 51
grzemich 0:d7bd7384a37c 52 if (lwip_listen(_sock_fd, max) < 0) {
grzemich 0:d7bd7384a37c 53 close();
grzemich 0:d7bd7384a37c 54 return -1;
grzemich 0:d7bd7384a37c 55 }
grzemich 0:d7bd7384a37c 56
grzemich 0:d7bd7384a37c 57 return 0;
grzemich 0:d7bd7384a37c 58 }
grzemich 0:d7bd7384a37c 59
grzemich 0:d7bd7384a37c 60 int TCPSocketServer::accept(TCPSocketConnection& connection) {
grzemich 0:d7bd7384a37c 61 if (_sock_fd < 0)
grzemich 0:d7bd7384a37c 62 return -1;
grzemich 0:d7bd7384a37c 63
grzemich 0:d7bd7384a37c 64 if (!_blocking) {
grzemich 0:d7bd7384a37c 65 TimeInterval timeout(_timeout);
grzemich 0:d7bd7384a37c 66 if (wait_readable(timeout) != 0)
grzemich 0:d7bd7384a37c 67 return -1;
grzemich 0:d7bd7384a37c 68 }
grzemich 0:d7bd7384a37c 69 connection.reset_address();
grzemich 0:d7bd7384a37c 70 socklen_t newSockRemoteHostLen = sizeof(connection._remoteHost);
grzemich 0:d7bd7384a37c 71 int fd = lwip_accept(_sock_fd, (struct sockaddr*) &connection._remoteHost, &newSockRemoteHostLen);
grzemich 0:d7bd7384a37c 72 if (fd < 0)
grzemich 0:d7bd7384a37c 73 return -1; //Accept failed
grzemich 0:d7bd7384a37c 74 connection._sock_fd = fd;
grzemich 0:d7bd7384a37c 75 connection._is_connected = true;
grzemich 0:d7bd7384a37c 76
grzemich 0:d7bd7384a37c 77 return 0;
grzemich 0:d7bd7384a37c 78 }