--- /dev/null
+// -*- 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);
+}
Code Review / stor4nfv.git / blobdiff