remove ceph code

[stor4nfv.git] / src / ceph / src / msg / async / dpdk / UserspaceEvent.cc

diff --git a/src/ceph/src/msg/async/dpdk/UserspaceEvent.cc b/src/ceph/src/msg/async/dpdk/UserspaceEvent.cc
deleted file mode 100644 (file)
index 25b082d..0000000
--- a/src/ceph/src/msg/async/dpdk/UserspaceEvent.cc
+++ /dev/null
@@ -1,127 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2016 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 "UserspaceEvent.h"
-
-#include "common/dout.h"
-#include "include/assert.h"
-
-#define dout_subsys ceph_subsys_dpdk
-#undef dout_prefix
-#define dout_prefix *_dout << "dpdk "
-
-int UserspaceEventManager::get_eventfd()
-{
-  int fd;
-  if (!unused_fds.empty()) {
-    fd = unused_fds.front();
-    unused_fds.pop_front();
-  } else {
-    fd = ++max_fd;
-    fds.resize(fd + 1);
-  }
-
-  Tub<UserspaceFDImpl> &impl = fds[fd];
-  assert(!impl);
-  impl.construct();
-  ldout(cct, 20) << __func__ << " fd=" << fd << dendl;
-  return fd;
-}
-
-int UserspaceEventManager::notify(int fd, int mask)
-{
-  ldout(cct, 20) << __func__ << " fd=" << fd << " mask=" << mask << dendl;
-  if ((size_t)fd >= fds.size())
-    return -ENOENT;
-
-  Tub<UserspaceFDImpl> &impl = fds[fd];
-  if (!impl)
-    return -ENOENT;
-
-  ldout(cct, 20) << __func__ << " activing=" << int(impl->activating_mask)
-                 << " listening=" << int(impl->listening_mask)
-                 << " waiting_idx=" << int(impl->waiting_idx) << dendl;
-
-  impl->activating_mask |= mask;
-  if (impl->waiting_idx)
-    return 0;
-
-  if (impl->listening_mask & mask) {
-    if (waiting_fds.size() <= max_wait_idx)
-      waiting_fds.resize(waiting_fds.size()*2);
-    impl->waiting_idx = ++max_wait_idx;
-    waiting_fds[max_wait_idx] = fd;
-  }
-
-  ldout(cct, 20) << __func__ << " activing=" << int(impl->activating_mask)
-                 << " listening=" << int(impl->listening_mask)
-                 << " waiting_idx=" << int(impl->waiting_idx) << " done " << dendl;
-  return 0;
-}
-
-void UserspaceEventManager::close(int fd)
-{
-  ldout(cct, 20) << __func__ << " fd=" << fd << dendl;
-  if ((size_t)fd >= fds.size())
-    return ;
-
-  Tub<UserspaceFDImpl> &impl = fds[fd];
-  if (!impl)
-    return ;
-
-  if (fd == max_fd)
-    --max_fd;
-  else
-    unused_fds.push_back(fd);
-
-  if (impl->activating_mask) {
-    if (waiting_fds[max_wait_idx] == fd) {
-      assert(impl->waiting_idx == max_wait_idx);
-      --max_wait_idx;
-    }
-    waiting_fds[impl->waiting_idx] = -1;
-  }
-  impl.destroy();
-}
-
-int UserspaceEventManager::poll(int *events, int *masks, int num_events, struct timeval *tp)
-{
-  int fd;
-  uint32_t i = 0;
-  int count = 0;
-  assert(num_events);
-  // leave zero slot for waiting_fds
-  while (i < max_wait_idx) {
-    fd = waiting_fds[++i];
-    if (fd == -1)
-      continue;
-
-    events[count] = fd;
-    Tub<UserspaceFDImpl> &impl = fds[fd];
-    assert(impl);
-    masks[count] = impl->listening_mask & impl->activating_mask;
-    assert(masks[count]);
-    ldout(cct, 20) << __func__ << " fd=" << fd << " mask=" << masks[count] << dendl;
-    impl->activating_mask &= (~masks[count]);
-    impl->waiting_idx = 0;
-    if (++count >= num_events)
-      break;
-  }
-  if (i < max_wait_idx) {
-    memmove(&waiting_fds[1], &waiting_fds[i+1], sizeof(int)*(max_wait_idx-i));
-  }
-  max_wait_idx -= i;
-  return count;
-}