mirror of https://github.com/ARMmbed/mbed-os.git
95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
/* TCPServer
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* Copyright (c) 2015 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef TCPSERVER_H
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#define TCPSERVER_H
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#include "network-socket/Socket.h"
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#include "network-socket/TCPSocket.h"
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#include "network-socket/NetworkStack.h"
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#include "network-socket/NetworkInterface.h"
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#include "rtos/Semaphore.h"
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/** TCP socket server
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*/
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class TCPServer : public Socket {
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public:
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/** Create an uninitialized socket
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*
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* Must call open to initialize the socket on a network stack.
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*/
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TCPServer();
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/** Create a socket on a network interface
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*
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* Creates and opens a socket on the network stack of the given
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* network interface.
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*
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* @param stack Network stack as target for socket
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*/
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TCPServer(NetworkStack *stack);
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template <typename IF>
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TCPServer(IF *iface)
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: _pending(0), _accept_sem(0)
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{
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open(iface->get_stack());
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}
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/** Destroy a socket
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*
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* Closes socket if the socket is still open
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*/
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virtual ~TCPServer();
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/** Listen for connections on a TCP socket
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*
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* Marks the socket as a passive socket that can be used to accept
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* incoming connections.
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*
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* @param backlog Number of pending connections that can be queued
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* simultaneously, defaults to 1
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* @return 0 on success, negative error code on failure
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*/
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int listen(int backlog = 1);
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/** Accepts a connection on a TCP socket
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*
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* The server socket must be bound and set to listen for connections.
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* On a new connection, creates a network socket using the specified
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* socket instance.
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*
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* By default, accept blocks until data is sent. If socket is set to
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* non-blocking or times out, NSAPI_ERROR_WOULD_BLOCK is returned
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* immediately.
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*
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* @param socket TCPSocket instance that will handle the incoming connection.
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* @return 0 on success, negative error code on failure
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*/
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int accept(TCPSocket *connection);
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protected:
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virtual nsapi_protocol_t get_proto();
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virtual void event();
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volatile unsigned _pending;
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rtos::Semaphore _accept_sem;
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};
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#endif
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