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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/crimson/net/SocketConnection.h | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/crimson/net/SocketConnection.h')
-rw-r--r-- | src/crimson/net/SocketConnection.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/crimson/net/SocketConnection.h b/src/crimson/net/SocketConnection.h new file mode 100644 index 000000000..9c977c7cf --- /dev/null +++ b/src/crimson/net/SocketConnection.h @@ -0,0 +1,106 @@ +// -*- 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. + * + */ + +#pragma once + +#include <seastar/core/sharded.hh> + +#include "msg/Policy.h" +#include "crimson/common/throttle.h" +#include "crimson/net/Connection.h" +#include "crimson/net/Socket.h" + +namespace crimson::net { + +class Protocol; +class SocketMessenger; +class SocketConnection; +using SocketConnectionRef = seastar::shared_ptr<SocketConnection>; + +class SocketConnection : public Connection { + SocketMessenger& messenger; + std::unique_ptr<Protocol> protocol; + + ceph::net::Policy<crimson::common::Throttle> policy; + + /// the seq num of the last transmitted message + seq_num_t out_seq = 0; + /// the seq num of the last received message + seq_num_t in_seq = 0; + /// update the seq num of last received message + /// @returns true if the @c seq is valid, and @c in_seq is updated, + /// false otherwise. + bool update_rx_seq(seq_num_t seq); + + // messages to be resent after connection gets reset + std::deque<MessageRef> out_q; + std::deque<MessageRef> pending_q; + // messages sent, but not yet acked by peer + std::deque<MessageRef> sent; + + seastar::shard_id shard_id() const; + + public: + SocketConnection(SocketMessenger& messenger, + ChainedDispatchers& dispatchers, + bool is_msgr2); + ~SocketConnection() override; + + Messenger* get_messenger() const override; + + bool is_connected() const override; + +#ifdef UNIT_TESTS_BUILT + bool is_closed_clean() const override; + + bool is_closed() const override; + + bool peer_wins() const override; +#else + bool peer_wins() const; +#endif + + seastar::future<> send(MessageRef msg) override; + + seastar::future<> keepalive() override; + + void mark_down() override; + + void print(ostream& out) const override; + + /// start a handshake from the client's perspective, + /// only call when SocketConnection first construct + void start_connect(const entity_addr_t& peer_addr, + const entity_name_t& peer_name); + /// start a handshake from the server's perspective, + /// only call when SocketConnection first construct + void start_accept(SocketRef&& socket, + const entity_addr_t& peer_addr); + + seastar::future<> close_clean(bool dispatch_reset); + + bool is_server_side() const { + return policy.server; + } + + bool is_lossy() const { + return policy.lossy; + } + + friend class Protocol; + friend class ProtocolV1; + friend class ProtocolV2; +}; + +} // namespace crimson::net |