remove ceph code

[stor4nfv.git] / src / ceph / src / msg / async / EventEpoll.cc

diff --git a/src/ceph/src/msg/async/EventEpoll.cc b/src/ceph/src/msg/async/EventEpoll.cc
deleted file mode 100644 (file)
index 17f3a29..0000000
--- a/src/ceph/src/msg/async/EventEpoll.cc
+++ /dev/null
@@ -1,133 +0,0 @@
-// -*- 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) 2014 UnitedStack <haomai@unitedstack.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 "EventEpoll.h"
-
-#define dout_subsys ceph_subsys_ms
-
-#undef dout_prefix
-#define dout_prefix *_dout << "EpollDriver."
-
-int EpollDriver::init(EventCenter *c, int nevent)
-{
-  events = (struct epoll_event*)malloc(sizeof(struct epoll_event)*nevent);
-  if (!events) {
-    lderr(cct) << __func__ << " unable to malloc memory. " << dendl;
-    return -ENOMEM;
-  }
-  memset(events, 0, sizeof(struct epoll_event)*nevent);
-
-  epfd = epoll_create(1024); /* 1024 is just an hint for the kernel */
-  if (epfd == -1) {
-    lderr(cct) << __func__ << " unable to do epoll_create: "
-                       << cpp_strerror(errno) << dendl;
-    return -errno;
-  }
-
-  size = nevent;
-
-  return 0;
-}
-
-int EpollDriver::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 << " to " << epfd << dendl;
-  struct epoll_event ee;
-  /* If the fd was already monitored for some event, we need a MOD
-   * operation. Otherwise we need an ADD operation. */
-  int op;
-  op = cur_mask == EVENT_NONE ? EPOLL_CTL_ADD: EPOLL_CTL_MOD;
-
-  ee.events = EPOLLET;
-  add_mask |= cur_mask; /* Merge old events */
-  if (add_mask & EVENT_READABLE)
-    ee.events |= EPOLLIN;
-  if (add_mask & EVENT_WRITABLE)
-    ee.events |= EPOLLOUT;
-  ee.data.u64 = 0; /* avoid valgrind warning */
-  ee.data.fd = fd;
-  if (epoll_ctl(epfd, op, fd, &ee) == -1) {
-    lderr(cct) << __func__ << " epoll_ctl: add fd=" << fd << " failed. "
-               << cpp_strerror(errno) << dendl;
-    return -errno;
-  }
-
-  return 0;
-}
-
-int EpollDriver::del_event(int fd, int cur_mask, int delmask)
-{
-  ldout(cct, 20) << __func__ << " del event fd=" << fd << " cur_mask=" << cur_mask
-                 << " delmask=" << delmask << " to " << epfd << dendl;
-  struct epoll_event ee;
-  int mask = cur_mask & (~delmask);
-  int r = 0;
-
-  ee.events = 0;
-  if (mask & EVENT_READABLE) ee.events |= EPOLLIN;
-  if (mask & EVENT_WRITABLE) ee.events |= EPOLLOUT;
-  ee.data.u64 = 0; /* avoid valgrind warning */
-  ee.data.fd = fd;
-  if (mask != EVENT_NONE) {
-    if ((r = epoll_ctl(epfd, EPOLL_CTL_MOD, fd, &ee)) < 0) {
-      lderr(cct) << __func__ << " epoll_ctl: modify fd=" << fd << " mask=" << mask
-                 << " failed." << cpp_strerror(errno) << dendl;
-      return -errno;
-    }
-  } else {
-    /* Note, Kernel < 2.6.9 requires a non null event pointer even for
-     * EPOLL_CTL_DEL. */
-    if ((r = epoll_ctl(epfd, EPOLL_CTL_DEL, fd, &ee)) < 0) {
-      lderr(cct) << __func__ << " epoll_ctl: delete fd=" << fd
-                 << " failed." << cpp_strerror(errno) << dendl;
-      return -errno;
-    }
-  }
-  return 0;
-}
-
-int EpollDriver::resize_events(int newsize)
-{
-  return 0;
-}
-
-int EpollDriver::event_wait(vector<FiredFileEvent> &fired_events, struct timeval *tvp)
-{
-  int retval, numevents = 0;
-
-  retval = epoll_wait(epfd, events, size,
-                      tvp ? (tvp->tv_sec*1000 + tvp->tv_usec/1000) : -1);
-  if (retval > 0) {
-    int j;
-
-    numevents = retval;
-    fired_events.resize(numevents);
-    for (j = 0; j < numevents; j++) {
-      int mask = 0;
-      struct epoll_event *e = events + j;
-
-      if (e->events & EPOLLIN) mask |= EVENT_READABLE;
-      if (e->events & EPOLLOUT) mask |= EVENT_WRITABLE;
-      if (e->events & EPOLLERR) mask |= EVENT_READABLE|EVENT_WRITABLE;
-      if (e->events & EPOLLHUP) mask |= EVENT_READABLE|EVENT_WRITABLE;
-      fired_events[j].fd = e->data.fd;
-      fired_events[j].mask = mask;
-    }
-  }
-  return numevents;
-}