initial code repo

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

diff --git a/src/ceph/src/msg/async/dpdk/EventDPDK.cc b/src/ceph/src/msg/async/dpdk/EventDPDK.cc
new file mode 100644 (file)
index 0000000..0a80bc7
--- /dev/null
+++ b/src/ceph/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/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;
+}