68 lines
1.3 KiB
C++
68 lines
1.3 KiB
C++
// Copyright 2021, Roman Gershman. All rights reserved.
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// See LICENSE for licensing terms.
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//
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#pragma once
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#include "server/common_types.h"
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#include "server/reply_builder.h"
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namespace dfly {
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class Connection;
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class EngineShardSet;
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class CommandId;
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struct ConnectionState {
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DbIndex db_index = 0;
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enum Mask : uint32_t {
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ASYNC_DISPATCH = 1, // whether a command is handled via async dispatch.
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CONN_CLOSING = 2, // could be because of unrecoverable error or planned action.
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};
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uint32_t mask = 0; // A bitmask of Mask values.
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bool IsClosing() const {
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return mask & CONN_CLOSING;
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}
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bool IsRunViaDispatch() const {
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return mask & ASYNC_DISPATCH;
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}
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};
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class ConnectionContext : public ReplyBuilder {
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public:
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ConnectionContext(::io::Sink* stream, Connection* owner);
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struct DebugInfo {
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uint32_t shards_count = 0;
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TxClock clock = 0;
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};
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DebugInfo last_command_debug;
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// TODO: to introduce proper accessors.
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Transaction* transaction = nullptr;
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const CommandId* cid = nullptr;
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EngineShardSet* shard_set = nullptr;
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Connection* owner() {
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return owner_;
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}
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Protocol protocol() const;
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DbIndex db_index() const {
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return conn_state.db_index;
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}
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ConnectionState conn_state;
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private:
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Connection* owner_;
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};
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} // namespace dfly
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