File content as of revision 92:dd5f19874adf:

/* Socket
 * 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 TCPSOCKET_H
#define TCPSOCKET_H

#include "Socket.h"
#include "NetworkInterface.h"

/** TCP socket connection
 */
class TCPSocket : public Socket {
public:
    /** TCP socket lifetime
     */
    TCPSocket();
    TCPSocket(NetworkInterface *iface);

    /** Open the socket
     *  @param iface    Interface to open socket on
     */
    virtual int open(NetworkInterface *iface);
    
    /** Connects this TCP socket to the server
     *  @param host     The host to connect to. It can either be an IP Address
     *                  or a hostname that will be resolved with DNS
     *  @param port     The host's port to connect to
     *  @return         0 on success, negative on failure
     */
    int connect(const char *host, uint16_t port);

    /** Connects this TCP socket to the server
     *  @param address  SocketAddress to connect to
     *  @return         0 on success, negative on failure
     */
    int connect(const SocketAddress &address);
    
    /** Check if the socket is connected
     *  @return         true if connected, false otherwise
     */
    bool is_connected();
    
    /** Send data to the remote host
     *  @param data     The buffer to send to the host
     *  @param size     The length of the buffer to send
     *  @return         Number of written bytes on success, negative on failure
     */
    int send(const void *data, unsigned size);
    
    /** Receive data from the remote host
     *  @param data     The buffer in which to store the data received from the host
     *  @param size     The maximum length of the buffer
     *  @return         Number of received bytes on success, negative on failure
     */
    int recv(void *data, unsigned size);

private:
    friend class TCPServer;
};

#endif