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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"
#include "isochronous.hpp"
#include "Mutex.h"
// Define fatal and nonfatal write errors
#ifdef WIN32
#define FATALTCPWRITERR(errno) ((errno = WSAGetLastError()) != WSAETIMEDOUT)
#define NONFATALTCPWRITERR(errno) ((errno = WSAGetLastError()) == WSAETIMEDOUT)
#define FATALUDPWRITERR(errno) (((errno = WSAGetLastError()) != WSAETIMEDOUT) && (errno != WSAECONNREFUSED))
#else
#define FATALTCPWRITERR(errno) (errno != EAGAIN && errno != EWOULDBLOCK && errno != EINTR)
#define NONFATALTCPWRITERR(errno) (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR)
#define FATALUDPWRITERR(errno) ((errno != EAGAIN) && (errno != EWOULDBLOCK) && (errno != EINTR) && (errno != ECONNREFUSED) && (errno != ENOBUFS))
#endif
/* ------------------------------------------------------------------- */
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
int StartSynch(void);
void TxDelay(void);
void ConnectPeriodic(void);
void my_connect(void);
bool isConnected(void);
void SendFirstPayload(void);
int BarrierClient(struct BarrierMutex *);
struct ReportHeader *myJob;
private:
inline void WritePacketID(intmax_t);
inline void WriteTcpTxHdr(struct ReportStruct *, int, int);
void InitTrafficLoop(void);
void SetReportStartTime(void);
inline void SetFullDuplexReportStartTime(void);
void FinishTrafficActions(void);
void AwaitServerFinPacket(void);
bool InProgress(void);
void PostNullEvent(void);
void AwaitServerCloseEvent(void);
bool connected;
ReportStruct scratchpad;
ReportStruct *reportstruct;
double delay_lower_bounds;
intmax_t totLen;
bool one_report;
int udp_payload_minimum;
// 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 plain
void RunUDP(void);
// client connect
void PeerXchange(void);
thread_Settings *mSettings;
#if WIN32
SOCKET mySocket;
#else
int mySocket;
#endif
struct ReporterData *myReport;
char* mBuf;
Timestamp mEndTime;
Timestamp lastPacketTime;
Timestamp now;
char* readAt;
Timestamp connect_done, connect_start;
Isochronous::FrameCounter *framecounter;
}; // end class Client
#endif // CLIENT_H
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