1
0
tmk_keyboard/tool/mbed/mbed-sdk/libraries/net/lwip/Socket/TCPSocketServer.cpp

79 lines
2.4 KiB
C++
Raw Normal View History

/* 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 "TCPSocketServer.h"
#include <cstring>
using std::memset;
using std::memcpy;
TCPSocketServer::TCPSocketServer() {
}
int TCPSocketServer::bind(int port) {
if (init_socket(SOCK_STREAM) < 0)
return -1;
struct sockaddr_in localHost;
memset(&localHost, 0, sizeof(localHost));
localHost.sin_family = AF_INET;
localHost.sin_port = htons(port);
localHost.sin_addr.s_addr = INADDR_ANY;
if (lwip_bind(_sock_fd, (const struct sockaddr *) &localHost, sizeof(localHost)) < 0) {
close();
return -1;
}
return 0;
}
int TCPSocketServer::listen(int max) {
if (_sock_fd < 0)
return -1;
if (lwip_listen(_sock_fd, max) < 0) {
close();
return -1;
}
return 0;
}
int TCPSocketServer::accept(TCPSocketConnection& connection) {
if (_sock_fd < 0)
return -1;
if (!_blocking) {
TimeInterval timeout(_timeout);
if (wait_readable(timeout) != 0)
return -1;
}
connection.reset_address();
socklen_t newSockRemoteHostLen = sizeof(connection._remoteHost);
int fd = lwip_accept(_sock_fd, (struct sockaddr*) &connection._remoteHost, &newSockRemoteHostLen);
if (fd < 0)
return -1; //Accept failed
connection._sock_fd = fd;
connection._is_connected = true;
return 0;
}