Loading...
Searching...
No Matches
XrdSendQ.hh
Go to the documentation of this file.
#ifndef __XRDSENDQ__H
#define __XRDSENDQ__H
/******************************************************************************/
/* */
/* X r d S e n d Q . h h */
/* */
/* (c) 2016 by the Board of Trustees of the Leland Stanford, Jr., University */
/* All Rights Reserved */
/* Produced by Andrew Hanushevsky for Stanford University under contract */
/* DE-AC02-76-SFO0515 with the Department of Energy */
/* */
/* This file is part of the XRootD software suite. */
/* */
/* XRootD is free software: you can redistribute it and/or modify it under */
/* the terms of the GNU Lesser General Public License as published by the */
/* Free Software Foundation, either version 3 of the License, or (at your */
/* option) any later version. */
/* */
/* XRootD is distributed in the hope that it will be useful, but WITHOUT */
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
/* License for more details. */
/* */
/* You should have received a copy of the GNU Lesser General Public License */
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
/* */
/* The copyright holder's institutional names and contributor's names may not */
/* be used to endorse or promote products derived from this software without */
/* specific prior written permission of the institution or contributor. */
/******************************************************************************/
#include <cstring>
#include <unistd.h>
#include <sys/uio.h>
#include "Xrd/XrdJob.hh"
class XrdLink;
class XrdSysMutex;
class XrdSendQ : public XrdJob
{
public:
unsigned int Backlog() {return inQ;}
virtual void DoIt();
int Send(const char *buff, int blen);
int Send(const struct iovec *iov, int iovcnt, int iotot);
static void SetAQ(bool onoff) {qPerm = onoff;}
static void SetQM(unsigned int qmVal) {qMax = qmVal;}
static void SetQW(unsigned int qwVal) {qWarn = qwVal;}
void Terminate(XrdLink *lP=0);
XrdSendQ(XrdLink &lP, XrdSysMutex &mP);
private:
virtual ~XrdSendQ() {}
int SendNB(const char *Buff, int Blen);
int SendNB(const struct iovec *iov, int iocnt, int bytes, int &iovX);
struct mBuff
{
mBuff *next;
int mLen;
char mData[4]; // Always made long enough
};
bool QMsg(mBuff *theMsg);
void RelMsgs(mBuff *mP);
void Scuttle();
static unsigned int qWarn;
static unsigned int qMax;
static bool qPerm;
XrdLink &mLink;
XrdSysMutex &wMutex;
mBuff *fMsg;
mBuff *lMsg;
mBuff *delQ;
int theFD;
unsigned int inQ;
unsigned int qWmsg;
unsigned short discards;
bool active;
bool terminate;
};
#endif
XrdJob.hh
XrdJob::XrdJob
XrdJob(const char *desc="")
Definition XrdJob.hh:51
XrdLink
Definition XrdLink.hh:52
XrdSendQ
Definition XrdSendQ.hh:43
XrdSendQ::XrdSendQ
XrdSendQ(XrdLink &lP, XrdSysMutex &mP)
Definition XrdSendQ.cc:91
XrdSendQ::SetQW
static void SetQW(unsigned int qwVal)
Definition XrdSendQ.hh:58
XrdSendQ::Terminate
void Terminate(XrdLink *lP=0)
Definition XrdSendQ.cc:396
XrdSendQ::SetQM
static void SetQM(unsigned int qmVal)
Definition XrdSendQ.hh:56
XrdSendQ::SetAQ
static void SetAQ(bool onoff)
Definition XrdSendQ.hh:54
XrdSendQ::Send
int Send(const char *buff, int blen)
Definition XrdSendQ.cc:230
XrdSendQ::Backlog
unsigned int Backlog()
Definition XrdSendQ.hh:46
XrdSendQ::DoIt
virtual void DoIt()
Definition XrdSendQ.cc:102
XrdSysMutex
Definition XrdSysPthread.hh:165
iov
Definition XrdOucIOVec.hh:65