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// -*- 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"
#include "include/compat.h"
#include "include/sock_compat.h"
#define dout_subsys ceph_subsys_ms
#undef dout_prefix
#define dout_prefix *_dout << " RDMAServerSocketImpl "
RDMAServerSocketImpl::RDMAServerSocketImpl(
CephContext *cct, std::shared_ptr<Infiniband>& ib,
std::shared_ptr<RDMADispatcher>& rdma_dispatcher,
RDMAWorker *w, entity_addr_t& a, unsigned slot)
: ServerSocketImpl(a.get_type(), slot),
cct(cct), net(cct), server_setup_socket(-1), ib(ib),
dispatcher(rdma_dispatcher), 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;
}
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;
ceph_assert(sock);
sockaddr_storage ss;
socklen_t slen = sizeof(ss);
int sd = accept_cloexec(server_setup_socket, (sockaddr*)&ss, &slen);
if (sd < 0) {
return -errno;
}
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;
}
ceph_assert(NULL != out); //out should not be NULL in accept connection
out->set_type(addr_type);
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, ib, dispatcher, dynamic_cast<RDMAWorker*>(w));
if (!server->get_qp()) {
lderr(cct) << __func__ << " server->qp is null" << dendl;
// cann't use delete server here, destructor will fail.
server->cleanup();
::close(sd);
return -1;
}
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);
}
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