diff options
Diffstat (limited to 'src/msg/async/dpdk/EventDPDK.cc')
-rw-r--r-- | src/msg/async/dpdk/EventDPDK.cc | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/msg/async/dpdk/EventDPDK.cc b/src/msg/async/dpdk/EventDPDK.cc new file mode 100644 index 00000000..5d291716 --- /dev/null +++ b/src/msg/async/dpdk/EventDPDK.cc @@ -0,0 +1,85 @@ +// -*- 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; +} |