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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) 2017 Red Hat, Inc
*
* 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 "SocketConnection.h"
#include "ProtocolV1.h"
#include "ProtocolV2.h"
#include "SocketMessenger.h"
#ifdef UNIT_TESTS_BUILT
#include "Interceptor.h"
#endif
using namespace crimson::net;
using crimson::common::local_conf;
SocketConnection::SocketConnection(SocketMessenger& messenger,
ChainedDispatchers& dispatchers,
bool is_msgr2)
: messenger(messenger)
{
if (is_msgr2) {
protocol = std::make_unique<ProtocolV2>(dispatchers, *this, messenger);
} else {
protocol = std::make_unique<ProtocolV1>(dispatchers, *this, messenger);
}
#ifdef UNIT_TESTS_BUILT
if (messenger.interceptor) {
interceptor = messenger.interceptor;
interceptor->register_conn(*this);
}
#endif
}
SocketConnection::~SocketConnection() {}
crimson::net::Messenger*
SocketConnection::get_messenger() const {
return &messenger;
}
bool SocketConnection::is_connected() const
{
assert(seastar::this_shard_id() == shard_id());
return protocol->is_connected();
}
#ifdef UNIT_TESTS_BUILT
bool SocketConnection::is_closed() const
{
assert(seastar::this_shard_id() == shard_id());
return protocol->is_closed();
}
bool SocketConnection::is_closed_clean() const
{
assert(seastar::this_shard_id() == shard_id());
return protocol->is_closed_clean;
}
#endif
bool SocketConnection::peer_wins() const
{
return (messenger.get_myaddr() > peer_addr || policy.server);
}
seastar::future<> SocketConnection::send(MessageRef msg)
{
assert(seastar::this_shard_id() == shard_id());
return protocol->send(std::move(msg));
}
seastar::future<> SocketConnection::keepalive()
{
assert(seastar::this_shard_id() == shard_id());
return protocol->keepalive();
}
void SocketConnection::mark_down()
{
assert(seastar::this_shard_id() == shard_id());
protocol->close(false);
}
bool SocketConnection::update_rx_seq(seq_num_t seq)
{
if (seq <= in_seq) {
if (HAVE_FEATURE(features, RECONNECT_SEQ) &&
local_conf()->ms_die_on_old_message) {
ceph_abort_msg("old msgs despite reconnect_seq feature");
}
return false;
} else if (seq > in_seq + 1) {
if (local_conf()->ms_die_on_skipped_message) {
ceph_abort_msg("skipped incoming seq");
}
return false;
} else {
in_seq = seq;
return true;
}
}
void
SocketConnection::start_connect(const entity_addr_t& _peer_addr,
const entity_name_t& _peer_name)
{
protocol->start_connect(_peer_addr, _peer_name);
}
void
SocketConnection::start_accept(SocketRef&& sock,
const entity_addr_t& _peer_addr)
{
protocol->start_accept(std::move(sock), _peer_addr);
}
seastar::future<>
SocketConnection::close_clean(bool dispatch_reset)
{
return protocol->close_clean(dispatch_reset);
}
seastar::shard_id SocketConnection::shard_id() const {
return messenger.shard_id();
}
void SocketConnection::print(ostream& out) const {
messenger.print(out);
if (!protocol->socket) {
out << " >> " << get_peer_name() << " " << peer_addr;
} else if (protocol->socket->get_side() == Socket::side_t::acceptor) {
out << " >> " << get_peer_name() << " " << peer_addr
<< "@" << protocol->socket->get_ephemeral_port();
} else { // protocol->socket->get_side() == Socket::side_t::connector
out << "@" << protocol->socket->get_ephemeral_port()
<< " >> " << get_peer_name() << " " << peer_addr;
}
}
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