initial code repo

[stor4nfv.git] / src / ceph / src / msg / async / rdma / RDMAServerSocketImpl.cc

diff --git a/src/ceph/src/msg/async/rdma/RDMAServerSocketImpl.cc b/src/ceph/src/msg/async/rdma/RDMAServerSocketImpl.cc
new file mode 100644 (file)
index 0000000..6e473d1
--- /dev/null
+++ b/src/ceph/src/msg/async/rdma/RDMAServerSocketImpl.cc
@@ -0,0 +1,120 @@
+// -*- 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) 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 "msg/async/net_handler.h"
+#include "RDMAStack.h"
+
+#define dout_subsys ceph_subsys_ms
+#undef dout_prefix
+#define dout_prefix *_dout << " RDMAServerSocketImpl "
+
+RDMAServerSocketImpl::RDMAServerSocketImpl(CephContext *cct, Infiniband* i, RDMADispatcher *s, RDMAWorker *w, entity_addr_t& a)
+  : cct(cct), net(cct), server_setup_socket(-1), infiniband(i), dispatcher(s), worker(w), sa(a)
+{
+}
+
+int RDMAServerSocketImpl::listen(entity_addr_t &sa, const SocketOptions &opt)
+{
+  int rc = 0;
+  server_setup_socket = net.create_socket(sa.get_family(), true);
+  if (server_setup_socket < 0) {
+    rc = -errno;
+    lderr(cct) << __func__ << " failed to create server socket: "
+               << cpp_strerror(errno) << dendl;
+    return rc;
+  }
+
+  rc = net.set_nonblock(server_setup_socket);
+  if (rc < 0) {
+    goto err;
+  }
+
+  rc = net.set_socket_options(server_setup_socket, opt.nodelay, opt.rcbuf_size);
+  if (rc < 0) {
+    goto err;
+  }
+  net.set_close_on_exec(server_setup_socket);
+
+  rc = ::bind(server_setup_socket, sa.get_sockaddr(), sa.get_sockaddr_len());
+  if (rc < 0) {
+    rc = -errno;
+    ldout(cct, 10) << __func__ << " unable to bind to " << sa.get_sockaddr()
+                   << " on port " << sa.get_port() << ": " << cpp_strerror(errno) << dendl;
+    goto err;
+  }
+
+  rc = ::listen(server_setup_socket, cct->_conf->ms_tcp_listen_backlog);
+  if (rc < 0) {
+    rc = -errno;
+    lderr(cct) << __func__ << " unable to listen on " << sa << ": " << cpp_strerror(errno) << dendl;
+    goto err;
+  }
+
+  ldout(cct, 20) << __func__ << " bind to " << sa.get_sockaddr() << " on port " << sa.get_port()  << dendl;
+  return 0;
+
+err:
+  ::close(server_setup_socket);
+  server_setup_socket = -1;
+  return rc;
+}
+
+int RDMAServerSocketImpl::accept(ConnectedSocket *sock, const SocketOptions &opt, entity_addr_t *out, Worker *w)
+{
+  ldout(cct, 15) << __func__ << dendl;
+
+  assert(sock);
+  sockaddr_storage ss;
+  socklen_t slen = sizeof(ss);
+  int sd = ::accept(server_setup_socket, (sockaddr*)&ss, &slen);
+  if (sd < 0) {
+    return -errno;
+  }
+
+  net.set_close_on_exec(sd);
+  int r = net.set_nonblock(sd);
+  if (r < 0) {
+    ::close(sd);
+    return -errno;
+  }
+
+  r = net.set_socket_options(sd, opt.nodelay, opt.rcbuf_size);
+  if (r < 0) {
+    ::close(sd);
+    return -errno;
+  }
+
+  assert(NULL != out); //out should not be NULL in accept connection
+
+  out->set_sockaddr((sockaddr*)&ss);
+  net.set_priority(sd, opt.priority, out->get_family());
+
+  RDMAConnectedSocketImpl* server;
+  //Worker* w = dispatcher->get_stack()->get_worker();
+  server = new RDMAConnectedSocketImpl(cct, infiniband, dispatcher, dynamic_cast<RDMAWorker*>(w));
+  server->set_accept_fd(sd);
+  ldout(cct, 20) << __func__ << " accepted a new QP, tcp_fd: " << sd << dendl;
+  std::unique_ptr<RDMAConnectedSocketImpl> csi(server);
+  *sock = ConnectedSocket(std::move(csi));
+
+  return 0;
+}
+
+void RDMAServerSocketImpl::abort_accept()
+{
+  if (server_setup_socket >= 0)
+    ::close(server_setup_socket);
+}