X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fmsg%2Fasync%2Frdma%2FRDMAConnectedSocketImpl.cc;fp=src%2Fceph%2Fsrc%2Fmsg%2Fasync%2Frdma%2FRDMAConnectedSocketImpl.cc;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=66dc488cccf3fc7a6b27935a2be6412886304995;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git

diff --git a/src/ceph/src/msg/async/rdma/RDMAConnectedSocketImpl.cc b/src/ceph/src/msg/async/rdma/RDMAConnectedSocketImpl.cc
deleted file mode 100644
index 66dc488..0000000
--- a/src/ceph/src/msg/async/rdma/RDMAConnectedSocketImpl.cc
+++ /dev/null
@@ -1,644 +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) 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 "RDMAStack.h"
-
-#define dout_subsys ceph_subsys_ms
-#undef dout_prefix
-#define dout_prefix *_dout << " RDMAConnectedSocketImpl "
-
-RDMAConnectedSocketImpl::RDMAConnectedSocketImpl(CephContext *cct, Infiniband* ib, RDMADispatcher* s,
-						 RDMAWorker *w)
-  : cct(cct), connected(0), error(0), infiniband(ib),
-    dispatcher(s), worker(w), lock("RDMAConnectedSocketImpl::lock"),
-    is_server(false), con_handler(new C_handle_connection(this)),
-    active(false), pending(false)
-{
-  qp = infiniband->create_queue_pair(
-				     cct, s->get_tx_cq(), s->get_rx_cq(), IBV_QPT_RC);
-  my_msg.qpn = qp->get_local_qp_number();
-  my_msg.psn = qp->get_initial_psn();
-  my_msg.lid = infiniband->get_lid();
-  my_msg.peer_qpn = 0;
-  my_msg.gid = infiniband->get_gid();
-  notify_fd = dispatcher->register_qp(qp, this);
-  dispatcher->perf_logger->inc(l_msgr_rdma_created_queue_pair);
-  dispatcher->perf_logger->inc(l_msgr_rdma_active_queue_pair);
-}
-
-RDMAConnectedSocketImpl::~RDMAConnectedSocketImpl()
-{
-  ldout(cct, 20) << __func__ << " destruct." << dendl;
-  cleanup();
-  worker->remove_pending_conn(this);
-  dispatcher->erase_qpn(my_msg.qpn);
-  Mutex::Locker l(lock);
-  if (notify_fd >= 0)
-    ::close(notify_fd);
-  if (tcp_fd >= 0)
-    ::close(tcp_fd);
-  error = ECONNRESET;
-  int ret = 0;
-  for (unsigned i=0; i < wc.size(); ++i) {
-    ret = infiniband->post_chunk(reinterpret_cast<Chunk*>(wc[i].wr_id));
-    assert(ret == 0);
-    dispatcher->perf_logger->dec(l_msgr_rdma_inqueue_rx_chunks);
-  }
-  for (unsigned i=0; i < buffers.size(); ++i) {
-    ret = infiniband->post_chunk(buffers[i]);
-    assert(ret == 0);
-    dispatcher->perf_logger->dec(l_msgr_rdma_inqueue_rx_chunks);
-  }
-}
-
-void RDMAConnectedSocketImpl::pass_wc(std::vector<ibv_wc> &&v)
-{
-  Mutex::Locker l(lock);
-  if (wc.empty())
-    wc = std::move(v);
-  else
-    wc.insert(wc.end(), v.begin(), v.end());
-  notify();
-}
-
-void RDMAConnectedSocketImpl::get_wc(std::vector<ibv_wc> &w)
-{
-  Mutex::Locker l(lock);
-  if (wc.empty())
-    return ;
-  w.swap(wc);
-}
-
-int RDMAConnectedSocketImpl::activate()
-{
-  ibv_qp_attr qpa;
-  int r;
-
-  // now connect up the qps and switch to RTR
-  memset(&qpa, 0, sizeof(qpa));
-  qpa.qp_state = IBV_QPS_RTR;
-  qpa.path_mtu = IBV_MTU_1024;
-  qpa.dest_qp_num = peer_msg.qpn;
-  qpa.rq_psn = peer_msg.psn;
-  qpa.max_dest_rd_atomic = 1;
-  qpa.min_rnr_timer = 12;
-  //qpa.ah_attr.is_global = 0;
-  qpa.ah_attr.is_global = 1;
-  qpa.ah_attr.grh.hop_limit = 6;
-  qpa.ah_attr.grh.dgid = peer_msg.gid;
-
-  qpa.ah_attr.grh.sgid_index = infiniband->get_device()->get_gid_idx();
-
-  qpa.ah_attr.dlid = peer_msg.lid;
-  qpa.ah_attr.sl = cct->_conf->ms_async_rdma_sl;
-  qpa.ah_attr.grh.traffic_class = cct->_conf->ms_async_rdma_dscp;
-  qpa.ah_attr.src_path_bits = 0;
-  qpa.ah_attr.port_num = (uint8_t)(infiniband->get_ib_physical_port());
-
-  ldout(cct, 20) << __func__ << " Choosing gid_index " << (int)qpa.ah_attr.grh.sgid_index << ", sl " << (int)qpa.ah_attr.sl << dendl;
-
-  r = ibv_modify_qp(qp->get_qp(), &qpa, IBV_QP_STATE |
-      IBV_QP_AV |
-      IBV_QP_PATH_MTU |
-      IBV_QP_DEST_QPN |
-      IBV_QP_RQ_PSN |
-      IBV_QP_MIN_RNR_TIMER |
-      IBV_QP_MAX_DEST_RD_ATOMIC);
-  if (r) {
-    lderr(cct) << __func__ << " failed to transition to RTR state: "
-               << cpp_strerror(errno) << dendl;
-    return -1;
-  }
-
-  ldout(cct, 20) << __func__ << " transition to RTR state successfully." << dendl;
-
-  // now move to RTS
-  qpa.qp_state = IBV_QPS_RTS;
-
-  // How long to wait before retrying if packet lost or server dead.
-  // Supposedly the timeout is 4.096us*2^timeout.  However, the actual
-  // timeout appears to be 4.096us*2^(timeout+1), so the setting
-  // below creates a 135ms timeout.
-  qpa.timeout = 14;
-
-  // How many times to retry after timeouts before giving up.
-  qpa.retry_cnt = 7;
-
-  // How many times to retry after RNR (receiver not ready) condition
-  // before giving up. Occurs when the remote side has not yet posted
-  // a receive request.
-  qpa.rnr_retry = 7; // 7 is infinite retry.
-  qpa.sq_psn = my_msg.psn;
-  qpa.max_rd_atomic = 1;
-
-  r = ibv_modify_qp(qp->get_qp(), &qpa, IBV_QP_STATE |
-      IBV_QP_TIMEOUT |
-      IBV_QP_RETRY_CNT |
-      IBV_QP_RNR_RETRY |
-      IBV_QP_SQ_PSN |
-      IBV_QP_MAX_QP_RD_ATOMIC);
-  if (r) {
-    lderr(cct) << __func__ << " failed to transition to RTS state: "
-               << cpp_strerror(errno) << dendl;
-    return -1;
-  }
-
-  // the queue pair should be ready to use once the client has finished
-  // setting up their end.
-  ldout(cct, 20) << __func__ << " transition to RTS state successfully." << dendl;
-  ldout(cct, 20) << __func__ << " QueuePair: " << qp << " with qp:" << qp->get_qp() << dendl;
-
-  if (!is_server) {
-    connected = 1; //indicate successfully
-    ldout(cct, 20) << __func__ << " handle fake send, wake it up. QP: " << my_msg.qpn << dendl;
-    submit(false);
-  }
-  active = true;
-
-  return 0;
-}
-
-int RDMAConnectedSocketImpl::try_connect(const entity_addr_t& peer_addr, const SocketOptions &opts) {
-  ldout(cct, 20) << __func__ << " nonblock:" << opts.nonblock << ", nodelay:"
-                 << opts.nodelay << ", rbuf_size: " << opts.rcbuf_size << dendl;
-  NetHandler net(cct);
-  tcp_fd = net.connect(peer_addr, opts.connect_bind_addr);
-
-  if (tcp_fd < 0) {
-    return -errno;
-  }
-  net.set_close_on_exec(tcp_fd);
-
-  int r = net.set_socket_options(tcp_fd, opts.nodelay, opts.rcbuf_size);
-  if (r < 0) {
-    ::close(tcp_fd);
-    tcp_fd = -1;
-    return -errno;
-  }
-
-  ldout(cct, 20) << __func__ << " tcp_fd: " << tcp_fd << dendl;
-  net.set_priority(tcp_fd, opts.priority, peer_addr.get_family());
-  my_msg.peer_qpn = 0;
-  r = infiniband->send_msg(cct, tcp_fd, my_msg);
-  if (r < 0)
-    return r;
-
-  worker->center.create_file_event(tcp_fd, EVENT_READABLE, con_handler);
-  return 0;
-}
-
-void RDMAConnectedSocketImpl::handle_connection() {
-  ldout(cct, 20) << __func__ << " QP: " << my_msg.qpn << " tcp_fd: " << tcp_fd << " notify_fd: " << notify_fd << dendl;
-  int r = infiniband->recv_msg(cct, tcp_fd, peer_msg);
-  if (r < 0) {
-    if (r != -EAGAIN) {
-      dispatcher->perf_logger->inc(l_msgr_rdma_handshake_errors);
-      ldout(cct, 1) << __func__ << " recv handshake msg failed." << dendl;
-      fault();
-    }
-    return;
-  }
-
-  if (!is_server) {// syn + ack from server
-    my_msg.peer_qpn = peer_msg.qpn;
-    ldout(cct, 20) << __func__ << " peer msg :  < " << peer_msg.qpn << ", " << peer_msg.psn
-                   <<  ", " << peer_msg.lid << ", " << peer_msg.peer_qpn << "> " << dendl;
-    if (!connected) {
-      r = activate();
-      assert(!r);
-    }
-    notify();
-    r = infiniband->send_msg(cct, tcp_fd, my_msg);
-    if (r < 0) {
-      ldout(cct, 1) << __func__ << " send client ack failed." << dendl;
-      dispatcher->perf_logger->inc(l_msgr_rdma_handshake_errors);
-      fault();
-    }
-  } else {
-    if (peer_msg.peer_qpn == 0) {// syn from client
-      if (active) {
-        ldout(cct, 10) << __func__ << " server is already active." << dendl;
-        return ;
-      }
-      r = infiniband->send_msg(cct, tcp_fd, my_msg);
-      if (r < 0) {
-        ldout(cct, 1) << __func__ << " server ack failed." << dendl;
-        dispatcher->perf_logger->inc(l_msgr_rdma_handshake_errors);
-        fault();
-        return ;
-      }
-      r = activate();
-      assert(!r);
-    } else { // ack from client
-      connected = 1;
-      cleanup();
-      submit(false);
-      notify();
-    }
-  }
-}
-
-ssize_t RDMAConnectedSocketImpl::read(char* buf, size_t len)
-{
-  uint64_t i = 0;
-  int r = ::read(notify_fd, &i, sizeof(i));
-  ldout(cct, 20) << __func__ << " notify_fd : " << i << " in " << my_msg.qpn << " r = " << r << dendl;
-  ssize_t read = 0;
-  if (!buffers.empty())
-    read = read_buffers(buf,len);
-
-  std::vector<ibv_wc> cqe;
-  get_wc(cqe);
-  if (cqe.empty()) {
-    if (!buffers.empty()) {
-      notify();
-    }
-    if (read > 0) {
-      return read;
-    }
-    if (error) {
-      return -error;
-    } else {
-      return -EAGAIN;
-    }
-  }
-
-  ldout(cct, 20) << __func__ << " poll queue got " << cqe.size() << " responses. QP: " << my_msg.qpn << dendl;
-  for (size_t i = 0; i < cqe.size(); ++i) {
-    ibv_wc* response = &cqe[i];
-    assert(response->status == IBV_WC_SUCCESS);
-    Chunk* chunk = reinterpret_cast<Chunk *>(response->wr_id);
-    ldout(cct, 25) << __func__ << " chunk length: " << response->byte_len << " bytes." << chunk << dendl;
-    chunk->prepare_read(response->byte_len);
-    worker->perf_logger->inc(l_msgr_rdma_rx_bytes, response->byte_len);
-    if (response->byte_len == 0) {
-      dispatcher->perf_logger->inc(l_msgr_rdma_rx_fin);
-      if (connected) {
-        error = ECONNRESET;
-        ldout(cct, 20) << __func__ << " got remote close msg..." << dendl;
-      }
-      assert(infiniband->post_chunk(chunk) == 0);
-      dispatcher->perf_logger->dec(l_msgr_rdma_inqueue_rx_chunks);
-    } else {
-      if (read == (ssize_t)len) {
-        buffers.push_back(chunk);
-        ldout(cct, 25) << __func__ << " buffers add a chunk: " << response->byte_len << dendl;
-      } else if (read + response->byte_len > (ssize_t)len) {
-        read += chunk->read(buf+read, (ssize_t)len-read);
-        buffers.push_back(chunk);
-        ldout(cct, 25) << __func__ << " buffers add a chunk: " << chunk->get_offset() << ":" << chunk->get_bound() << dendl;
-      } else {
-        read += chunk->read(buf+read, response->byte_len);
-        assert(infiniband->post_chunk(chunk) == 0);
-        dispatcher->perf_logger->dec(l_msgr_rdma_inqueue_rx_chunks);
-      }
-    }
-  }
-
-  worker->perf_logger->inc(l_msgr_rdma_rx_chunks, cqe.size());
-  if (is_server && connected == 0) {
-    ldout(cct, 20) << __func__ << " we do not need last handshake, QP: " << my_msg.qpn << " peer QP: " << peer_msg.qpn << dendl;
-    connected = 1; //if so, we don't need the last handshake
-    cleanup();
-    submit(false);
-  }
-
-  if (!buffers.empty()) {
-    notify();
-  }
-
-  if (read == 0 && error)
-    return -error;
-  return read == 0 ? -EAGAIN : read;
-}
-
-ssize_t RDMAConnectedSocketImpl::read_buffers(char* buf, size_t len)
-{
-  size_t read = 0, tmp = 0;
-  auto c = buffers.begin();
-  for (; c != buffers.end() ; ++c) {
-    tmp = (*c)->read(buf+read, len-read);
-    read += tmp;
-    ldout(cct, 25) << __func__ << " this iter read: " << tmp << " bytes." << " offset: " << (*c)->get_offset() << " ,bound: " << (*c)->get_bound()  << ". Chunk:" << *c  << dendl;
-    if ((*c)->over()) {
-      assert(infiniband->post_chunk(*c) == 0);
-      dispatcher->perf_logger->dec(l_msgr_rdma_inqueue_rx_chunks);
-      ldout(cct, 25) << __func__ << " one chunk over." << dendl;
-    }
-    if (read == len) {
-      break;
-    }
-  }
-
-  if (c != buffers.end() && (*c)->over())
-    ++c;
-  buffers.erase(buffers.begin(), c);
-  ldout(cct, 25) << __func__ << " got " << read  << " bytes, buffers size: " << buffers.size() << dendl;
-  return read;
-}
-
-ssize_t RDMAConnectedSocketImpl::zero_copy_read(bufferptr &data)
-{
-  if (error)
-    return -error;
-  static const int MAX_COMPLETIONS = 16;
-  ibv_wc wc[MAX_COMPLETIONS];
-  ssize_t size = 0;
-
-  ibv_wc*  response;
-  Chunk* chunk;
-  bool loaded = false;
-  auto iter = buffers.begin();
-  if (iter != buffers.end()) {
-    chunk = *iter;
-    // FIXME need to handle release
-    // auto del = std::bind(&Chunk::post_srq, std::move(chunk), infiniband);
-    buffers.erase(iter);
-    loaded = true;
-    size = chunk->bound;
-  }
-
-  std::vector<ibv_wc> cqe;
-  get_wc(cqe);
-  if (cqe.empty())
-    return size == 0 ? -EAGAIN : size;
-
-  ldout(cct, 20) << __func__ << " pool completion queue got " << cqe.size() << " responses."<< dendl;
-
-  for (size_t i = 0; i < cqe.size(); ++i) {
-    response = &wc[i];
-    chunk = reinterpret_cast<Chunk*>(response->wr_id);
-    chunk->prepare_read(response->byte_len);
-    if (!loaded && i == 0) {
-      // FIXME need to handle release
-      // auto del = std::bind(&Chunk::post_srq, std::move(chunk), infiniband);
-      size = chunk->bound;
-      continue;
-    }
-    buffers.push_back(chunk);
-    iter++;
-  }
-
-  if (size == 0)
-    return -EAGAIN;
-  return size;
-}
-
-ssize_t RDMAConnectedSocketImpl::send(bufferlist &bl, bool more)
-{
-  if (error) {
-    if (!active)
-      return -EPIPE;
-    return -error;
-  }
-  size_t bytes = bl.length();
-  if (!bytes)
-    return 0;
-  {
-    Mutex::Locker l(lock);
-    pending_bl.claim_append(bl);
-    if (!connected) {
-      ldout(cct, 20) << __func__ << " fake send to upper, QP: " << my_msg.qpn << dendl;
-      return bytes;
-    }
-  }
-  ldout(cct, 20) << __func__ << " QP: " << my_msg.qpn << dendl;
-  ssize_t r = submit(more);
-  if (r < 0 && r != -EAGAIN)
-    return r;
-  return bytes;
-}
-
-ssize_t RDMAConnectedSocketImpl::submit(bool more)
-{
-  if (error)
-    return -error;
-  Mutex::Locker l(lock);
-  size_t bytes = pending_bl.length();
-  ldout(cct, 20) << __func__ << " we need " << bytes << " bytes. iov size: "
-                 << pending_bl.buffers().size() << dendl;
-  if (!bytes)
-    return 0;
-
-  auto fill_tx_via_copy = [this](std::vector<Chunk*> &tx_buffers, unsigned bytes,
-                                 std::list<bufferptr>::const_iterator &start,
-                                 std::list<bufferptr>::const_iterator &end) -> unsigned {
-    assert(start != end);
-    auto chunk_idx = tx_buffers.size();
-    int ret = worker->get_reged_mem(this, tx_buffers, bytes);
-    if (ret == 0) {
-      ldout(cct, 1) << __func__ << " no enough buffers in worker " << worker << dendl;
-      worker->perf_logger->inc(l_msgr_rdma_tx_no_mem);
-      return 0;
-    }
-
-    unsigned total_copied = 0;
-    Chunk *current_chunk = tx_buffers[chunk_idx];
-    while (start != end) {
-      const uintptr_t addr = reinterpret_cast<const uintptr_t>(start->c_str());
-      unsigned copied = 0;
-      while (copied < start->length()) {
-        uint32_t r = current_chunk->write((char*)addr+copied, start->length() - copied);
-        copied += r;
-        total_copied += r;
-        bytes -= r;
-        if (current_chunk->full()){
-          current_chunk = tx_buffers[++chunk_idx];
-          if (chunk_idx == tx_buffers.size())
-            return total_copied;
-        }
-      }
-      ++start;
-    }
-    assert(bytes == 0);
-    return total_copied;
-  };
-
-  std::vector<Chunk*> tx_buffers;
-  std::list<bufferptr>::const_iterator it = pending_bl.buffers().begin();
-  std::list<bufferptr>::const_iterator copy_it = it;
-  unsigned total = 0;
-  unsigned need_reserve_bytes = 0;
-  while (it != pending_bl.buffers().end()) {
-    if (infiniband->is_tx_buffer(it->raw_c_str())) {
-      if (need_reserve_bytes) {
-        unsigned copied = fill_tx_via_copy(tx_buffers, need_reserve_bytes, copy_it, it);
-        total += copied;
-        if (copied < need_reserve_bytes)
-          goto sending;
-        need_reserve_bytes = 0;
-      }
-      assert(copy_it == it);
-      tx_buffers.push_back(infiniband->get_tx_chunk_by_buffer(it->raw_c_str()));
-      total += it->length();
-      ++copy_it;
-    } else {
-      need_reserve_bytes += it->length();
-    }
-    ++it;
-  }
-  if (need_reserve_bytes)
-    total += fill_tx_via_copy(tx_buffers, need_reserve_bytes, copy_it, it);
-
- sending:
-  if (total == 0)
-    return -EAGAIN;
-  assert(total <= pending_bl.length());
-  bufferlist swapped;
-  if (total < pending_bl.length()) {
-    worker->perf_logger->inc(l_msgr_rdma_tx_parital_mem);
-    pending_bl.splice(total, pending_bl.length()-total, &swapped);
-    pending_bl.swap(swapped);
-  } else {
-    pending_bl.clear();
-  }
-
-  ldout(cct, 20) << __func__ << " left bytes: " << pending_bl.length() << " in buffers "
-                 << pending_bl.buffers().size() << " tx chunks " << tx_buffers.size() << dendl;
-
-  int r = post_work_request(tx_buffers);
-  if (r < 0)
-    return r;
-
-  ldout(cct, 20) << __func__ << " finished sending " << bytes << " bytes." << dendl;
-  return pending_bl.length() ? -EAGAIN : 0;
-}
-
-int RDMAConnectedSocketImpl::post_work_request(std::vector<Chunk*> &tx_buffers)
-{
-  ldout(cct, 20) << __func__ << " QP: " << my_msg.qpn << " " << tx_buffers[0] << dendl;
-  vector<Chunk*>::iterator current_buffer = tx_buffers.begin();
-  ibv_sge isge[tx_buffers.size()];
-  uint32_t current_sge = 0;
-  ibv_send_wr iswr[tx_buffers.size()];
-  uint32_t current_swr = 0;
-  ibv_send_wr* pre_wr = NULL;
-
-  memset(iswr, 0, sizeof(iswr));
-  memset(isge, 0, sizeof(isge));
-  current_buffer = tx_buffers.begin();
-  while (current_buffer != tx_buffers.end()) {
-    isge[current_sge].addr = reinterpret_cast<uint64_t>((*current_buffer)->buffer);
-    isge[current_sge].length = (*current_buffer)->get_offset();
-    isge[current_sge].lkey = (*current_buffer)->mr->lkey;
-    ldout(cct, 25) << __func__ << " sending buffer: " << *current_buffer << " length: " << isge[current_sge].length  << dendl;
-
-    iswr[current_swr].wr_id = reinterpret_cast<uint64_t>(*current_buffer);
-    iswr[current_swr].next = NULL;
-    iswr[current_swr].sg_list = &isge[current_sge];
-    iswr[current_swr].num_sge = 1;
-    iswr[current_swr].opcode = IBV_WR_SEND;
-    iswr[current_swr].send_flags = IBV_SEND_SIGNALED;
-    /*if (isge[current_sge].length < infiniband->max_inline_data) {
-      iswr[current_swr].send_flags = IBV_SEND_INLINE;
-      ldout(cct, 20) << __func__ << " send_inline." << dendl;
-      }*/
-
-    worker->perf_logger->inc(l_msgr_rdma_tx_bytes, isge[current_sge].length);
-    if (pre_wr)
-      pre_wr->next = &iswr[current_swr];
-    pre_wr = &iswr[current_swr];
-    ++current_sge;
-    ++current_swr;
-    ++current_buffer;
-  }
-
-  ibv_send_wr *bad_tx_work_request;
-  if (ibv_post_send(qp->get_qp(), iswr, &bad_tx_work_request)) {
-    ldout(cct, 1) << __func__ << " failed to send data"
-                  << " (most probably should be peer not ready): "
-                  << cpp_strerror(errno) << dendl;
-    worker->perf_logger->inc(l_msgr_rdma_tx_failed);
-    return -errno;
-  }
-  worker->perf_logger->inc(l_msgr_rdma_tx_chunks, tx_buffers.size());
-  ldout(cct, 20) << __func__ << " qp state is " << Infiniband::qp_state_string(qp->get_state()) << dendl;
-  return 0;
-}
-
-void RDMAConnectedSocketImpl::fin() {
-  ibv_send_wr wr;
-  memset(&wr, 0, sizeof(wr));
-  wr.wr_id = reinterpret_cast<uint64_t>(qp);
-  wr.num_sge = 0;
-  wr.opcode = IBV_WR_SEND;
-  wr.send_flags = IBV_SEND_SIGNALED;
-  ibv_send_wr* bad_tx_work_request;
-  if (ibv_post_send(qp->get_qp(), &wr, &bad_tx_work_request)) {
-    ldout(cct, 1) << __func__ << " failed to send message="
-                  << " ibv_post_send failed(most probably should be peer not ready): "
-                  << cpp_strerror(errno) << dendl;
-    worker->perf_logger->inc(l_msgr_rdma_tx_failed);
-    return ;
-  }
-}
-
-void RDMAConnectedSocketImpl::cleanup() {
-  if (con_handler && tcp_fd >= 0) {
-    (static_cast<C_handle_connection*>(con_handler))->close();
-    worker->center.submit_to(worker->center.get_id(), [this]() {
-      worker->center.delete_file_event(tcp_fd, EVENT_READABLE);
-    }, false);
-    delete con_handler;
-    con_handler = nullptr;
-  }
-}
-
-void RDMAConnectedSocketImpl::notify()
-{
-  uint64_t i = 1;
-  int ret;
-
-  ret = write(notify_fd, &i, sizeof(i));
-  assert(ret = sizeof(i));
-}
-
-void RDMAConnectedSocketImpl::shutdown()
-{
-  if (!error)
-    fin();
-  error = ECONNRESET;
-  active = false;
-}
-
-void RDMAConnectedSocketImpl::close()
-{
-  if (!error)
-    fin();
-  error = ECONNRESET;
-  active = false;
-}
-
-void RDMAConnectedSocketImpl::fault()
-{
-  ldout(cct, 1) << __func__ << " tcp fd " << tcp_fd << dendl;
-  /*if (qp) {
-    qp->to_dead();
-    qp = NULL;
-    }*/
-  error = ECONNRESET;
-  connected = 1;
-  notify();
-}
-
-void RDMAConnectedSocketImpl::set_accept_fd(int sd)
-{
-  tcp_fd = sd;
-  is_server = true;
-  worker->center.submit_to(worker->center.get_id(), [this]() {
-			   worker->center.create_file_event(tcp_fd, EVENT_READABLE, con_handler);
-			   }, true);
-}