mbed-os/TCPServer.h

80 lines
2.5 KiB
C++

/* TCPServer
* Copyright (c) 2015 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef TCPSERVER_H
#define TCPSERVER_H
#include "Socket.h"
#include "TCPSocket.h"
#include "NetworkStack.h"
/** TCP socket server
*/
class TCPServer : public Socket {
public:
/** Create an uninitialized socket
*
* Must call open to initialize the socket on a network stack.
*/
TCPServer();
/** Create a socket on a network stack
*
* Creates and opens a socket on the specified network stack.
*
* @param iface Network stack as target for socket
*/
TCPServer(NetworkStack *iface);
/** Opens a socket
*
* Creates a network socket on the specified network stack.
* Not needed if stack is passed to the socket's constructor.
*
* @param iface Network stack as target for socket
* @return 0 on success, negative error code on failure
*/
virtual int open(NetworkStack *iface);
/** Listen for connections on a TCP socket
*
* Marks the socket as a passive socket that can be used to accept
* incoming connections.
*
* @param backlog Number of pending connections that can be queued
* simultaneously, defaults to 1
* @return 0 on success, negative error code on failure
*/
int listen(int backlog = 1);
/** Accepts a connection on a TCP socket
*
* The server socket must be bound and set to listen for connections.
* On a new connection, creates a network socket using the specified
* socket instance.
*
* By default, accept blocks until data is sent. If socket is set to
* non-blocking or times out, NSAPI_ERROR_WOULD_BLOCK is returned
* immediately.
*
* @param socket TCPSocket instance that will handle the incoming connection.
* @return 0 on success, negative error code on failure
*/
int accept(TCPSocket *connection);
};
#endif