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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2015 XSky <haomai@xsky.com>
*
* Author: Haomai Wang <haomaiwang@gmail.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "common/errno.h"
#include "DPDKStack.h"
#include "EventDPDK.h"
#include "common/dout.h"
#include "include/ceph_assert.h"
#define dout_subsys ceph_subsys_ms
#undef dout_prefix
#define dout_prefix *_dout << "DPDKDriver."
int DPDKDriver::init(EventCenter *c, int nevent)
{
return 0;
}
int DPDKDriver::add_event(int fd, int cur_mask, int add_mask)
{
ldout(cct, 20) << __func__ << " add event fd=" << fd << " cur_mask=" << cur_mask
<< " add_mask=" << add_mask << dendl;
int r = manager.listen(fd, add_mask);
if (r < 0) {
lderr(cct) << __func__ << " add fd=" << fd << " failed. "
<< cpp_strerror(-r) << dendl;
return -errno;
}
return 0;
}
int DPDKDriver::del_event(int fd, int cur_mask, int delmask)
{
ldout(cct, 20) << __func__ << " del event fd=" << fd << " cur_mask=" << cur_mask
<< " delmask=" << delmask << dendl;
int r = 0;
if (delmask != EVENT_NONE) {
if ((r = manager.unlisten(fd, delmask)) < 0) {
lderr(cct) << __func__ << " delete fd=" << fd << " delmask=" << delmask
<< " failed." << cpp_strerror(-r) << dendl;
return r;
}
}
return 0;
}
int DPDKDriver::resize_events(int newsize)
{
return 0;
}
int DPDKDriver::event_wait(vector<FiredFileEvent> &fired_events, struct timeval *tvp)
{
int num_events = 512;
int events[num_events];
int masks[num_events];
int retval = manager.poll(events, masks, num_events, tvp);
if (retval > 0) {
fired_events.resize(retval);
for (int i = 0; i < retval; i++) {
fired_events[i].fd = events[i];
fired_events[i].mask = masks[i];
}
}
return retval;
}
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