File: Client.hpp

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/*---------------------------------------------------------------
 * Copyright (c) 1999,2000,2001,2002,2003
 * The Board of Trustees of the University of Illinois
 * All Rights Reserved.
 *---------------------------------------------------------------
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software (Iperf) 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:
 *
 *
 * Redistributions of source code must retain the above
 * copyright notice, this list of conditions and
 * the following disclaimers.
 *
 *
 * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following
 * disclaimers in the documentation and/or other materials
 * provided with the distribution.
 *
 *
 * Neither the names of the University of Illinois, NCSA,
 * nor the names of its contributors may be used to endorse
 * or promote products derived from this Software without
 * specific prior written permission.
 *
 * 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 CONTIBUTORS 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.
 * ________________________________________________________________
 * National Laboratory for Applied Network Research
 * National Center for Supercomputing Applications
 * University of Illinois at Urbana-Champaign
 * http://www.ncsa.uiuc.edu
 * ________________________________________________________________
 * Client.hpp
 * by Mark Gates <mgates@nlanr.net>
 * -------------------------------------------------------------------
 * A client thread initiates a connect to the server and handles
 * sending and receiving data, then closes the socket.
 * -------------------------------------------------------------------
 */

#ifndef CLIENT_H
#define CLIENT_H

#include "Settings.hpp"
#include "Timestamp.hpp"

/* ------------------------------------------------------------------- */
class Client {
public:
    // stores server hostname, port, UDP/TCP mode, and UDP rate
    Client( thread_Settings *inSettings );

    // destroy the client object
    ~Client();

    // Set up the traffic thread and invokes
    // appropriate traffic loop per the protocol
    // and type of traffic
    void Run( void );

    // For things like dual tests a server needs to be started by the client,
    // The code in src/launch.cpp will invoke this
    void InitiateServer();

private:
    void WritePacketID(void);
    void InitTrafficLoop(void);
    void FinishTrafficActions(void);
    void FinalUDPHandshake(void);
    void write_UDP_FIN(void);
    bool InProgress(void);

    ReportStruct *reportstruct;
    double delay_lower_bounds;
    max_size_t totLen;

    // TCP plain
    void RunTCP( void );
    // TCP version which supports rate limiting per -b
    void RunRateLimitedTCP( void );
    // UDP traffic with isochronous and vbr support
    void RunUDPIsochronous( void );
    // UDP traffic with threads synced to transmit at near the same time
    void RunUDPTxSync( void );
    // UDP plain
    void RunUDP( void );
    // client connect
    void Connect( );
    void HdrXchange(int flags);

    thread_Settings *mSettings;
    char* mBuf;
    Timestamp mEndTime;
    Timestamp lastPacketTime;
    Timestamp now;
    char* readAt;
    Timestamp syncTime;

}; // end class Client

#endif // CLIENT_H