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# Copyright (C) 2017 MongoDB Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3,
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This IDL file describes the BSON format for a LogicalSessionId, and
# handles the serialization to and deserialization from its BSON representation
# for that class.
global:
cpp_namespace: "mongo"
cpp_includes:
- "mongo/util/uuid.h"
imports:
- "mongo/idl/basic_types.idl"
- "mongo/crypto/sha256_block.idl"
types:
TxnNumber:
description: "A strictly-increasing per-session counter, which indicates to which transaction
of a given session does the specified command belong. The combination of
LogicalSessionId:TxnNumber is referred to as the transaction identifier."
bson_serialization_type: long
cpp_type: "std::int64_t"
deserializer: "mongo::BSONElement::_numberLong"
StmtId:
description: "A number representing an operation within a transaction."
bson_serialization_type: int
cpp_type: "std::int32_t"
deserializer: "mongo::BSONElement::_numberInt"
structs:
LogicalSessionId:
description: "A struct representing a LogicalSessionId"
strict: true
fields:
id: uuid
uid: sha256Block
LogicalSessionIdToClient:
description: "A struct representing a LogicalSessionId to external clients"
strict: true
fields:
id: uuid
LogicalSessionToClient:
description: "A struct representing a LogicalSession reply to external clients"
strict: true
fields:
id: LogicalSessionIdToClient
timeoutMinutes: int
LogicalSessionRecord:
description: "A struct representing a LogicalSessionRecord"
strict: true
fields:
_id:
type: LogicalSessionId
cpp_name: id
lastUse: date
user:
type: string
optional: true
LogicalSessionFromClient:
description: "A struct representing a LogicalSessionId from external clients"
strict: true
fields:
id: uuid
uid:
type: sha256Block
optional: true
OperationSessionInfo:
description: "Parser for serializing sessionId/txnNumber combination"
strict: false
fields:
lsid:
type: LogicalSessionId
cpp_name: sessionId
optional: true
txnNumber:
description: "The transaction number relative to the session in which a particular write
operation executes."
type: TxnNumber
optional: true
OperationSessionInfoFromClient:
description: "Parser for pulling out the sessionId/txnNumber combination from commands"
strict: false
fields:
lsid:
type: LogicalSessionFromClient
cpp_name: sessionId
optional: true
txnNumber:
description: "The transaction number relative to the session in which a particular write
operation executes."
type: TxnNumber
optional: true
autocommit:
type: bool
optional: true
startTransaction:
description: "Used to indicate that a command is the start of a multi-statement
transaction."
type: bool
optional: true
coordinator:
description: "Indicates that this shard is the coordinator shard for the transaction two-phase commit."
type: bool
optional: true
SessionsCollectionFetchResultIndividualResult:
description: "Individual result"
strict: true
fields:
_id: LogicalSessionId
SessionsCollectionFetchResultCursor:
description: "Cursor object"
strict: false
fields:
firstBatch: array<SessionsCollectionFetchResultIndividualResult>
SessionsCollectionFetchResult:
description: "Parser for pulling out the fetch results from SessionsCollection::fetch"
strict: false
fields:
cursor: SessionsCollectionFetchResultCursor
SessionsCollectionFetchRequestFilterId:
description: "Id"
strict: true
fields:
$in:
type: array<LogicalSessionId>
cpp_name: "in"
SessionsCollectionFetchRequestFilter:
description: "filter"
strict: true
fields:
_id: SessionsCollectionFetchRequestFilterId
SessionsCollectionFetchRequestProjection:
description: "projection"
strict: true
fields:
_id: int
SessionsCollectionFetchRequest:
description: "Parser for forming the fetch request for SessionsCollection::fetch"
strict: true
fields:
find: string
filter: SessionsCollectionFetchRequestFilter
projection: SessionsCollectionFetchRequestProjection
batchSize: int
singleBatch: bool
limit: int
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