mirror of https://github.com/ARMmbed/mbed-os.git
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/* Socket
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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 UDPSOCKET_H
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#define UDPSOCKET_H
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#include "Socket.h"
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#include "NetworkInterface.h"
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/** UDP Socket
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*/
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class UDPSocket : public Socket {
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public:
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/** UDPSocket lifetime
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*/
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UDPSocket(NetworkInterface *iface);
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virtual ~UDPSocket();
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/** Bind a UDP Server Socket to a specific port
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* @param port The port to listen for incoming connections on
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* @return 0 on success, negative on failure.
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*/
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int bind(uint16_t port);
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/** Send a packet to a remote endpoint
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* @param address The remote SocketAddress
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* @param data The packet to be sent
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* @param size The length of the packet to be sent
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* @return The number of written bytes on success, negative on failure
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*/
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int sendto(const SocketAddress &address, const void *data, unsigned size);
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/** Receive a packet from a remote endpoint
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* @param address Destination for the remote SocketAddress or null
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* @param buffer The buffer for storing the incoming packet data
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* If a packet is too long to fit in the supplied buffer,
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* excess bytes are discarded
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* @param size The length of the buffer
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* @return The number of received bytes on success, negative on failure
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*/
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int recvfrom(SocketAddress *address, void *buffer, unsigned size);
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/** Register a callback on when send is ready
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* @param callback Function to call when send will succeed, may be called in
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* interrupt context.
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*/
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void attach_send(FunctionPointer callback);
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template <typename T, typename M>
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void attach_send(T *tptr, M mptr) {
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attach_send(FunctionPointer(tptr, mptr));
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}
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/** Register a callback on when recv is ready
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* @param callback Function to call when recv will succeed, may be called in
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* interrupt context.
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*/
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void attach_recv(FunctionPointer callback);
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template <typename T, typename M>
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void attach_recv(T *tptr, M mptr) {
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attach_recv(FunctionPointer(tptr, mptr));
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}
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private:
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FunctionPointer _send_cb;
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FunctionPointer _recv_cb;
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};
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#endif
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