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# Copyright (C) 2021-present MongoDB, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the Server Side Public License, version 1,
# as published by MongoDB, Inc.
#
# 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
# Server Side Public License for more details.
#
# You should have received a copy of the Server Side Public License
# along with this program. If not, see
# <http://www.mongodb.com/licensing/server-side-public-license>.
#
# As a special exception, the copyright holders give permission to link the
# code of portions of this program with the OpenSSL library under certain
# conditions as described in each individual source file and distribute
# linked combinations including the program with the OpenSSL library. You
# must comply with the Server Side Public License in all respects for
# all of the code used other than as permitted herein. If you modify file(s)
# with this exception, you may extend this exception to your version of the
# file(s), but you are not obligated to do so. If you do not wish to do so,
# delete this exception statement from your version. If you delete this
# exception statement from all source files in the program, then also delete
# it in the license file.
#
global:
cpp_namespace: "mongo"
imports:
- "mongo/db/auth/auth_types.idl"
- "mongo/db/repl/replication_types.idl"
- "mongo/db/write_concern_options.idl"
- "mongo/idl/basic_types.idl"
- "mongo/rpc/metadata/client_metadata.idl"
- "mongo/rpc/topology_version.idl"
structs:
HelloInternalClientField:
description: "Specifies min/max wire protocol versions"
strict: true
fields:
minWireVersion:
# Currently ignored
type: safeInt
default: 0
unstable: false
maxWireVersion:
type: safeInt
unstable: false
HelloLastWrite:
description: "Most recent op/write times for this node"
strict: true
fields:
opTime:
type: optime
optional: true
unstable: false
lastWriteDate:
type: date
optional: true
unstable: false
majorityOpTime:
type: optime
optional: true
unstable: false
majorityWriteDate:
type: date
optional: true
unstable: false
HelloCommandReply:
description: "Reply to 'hello' command"
strict: true
fields:
helloOk:
type: bool
default: true
unstable: false
clientSupportsHello:
type: bool
optional: true
unstable: false
configsvr:
type: safeInt
optional: true
unstable: false
maxBsonObjectSize:
type: safeInt64
optional: true
unstable: false
maxMessageSizeBytes:
type: safeInt64
optional: true
unstable: false
maxWriteBatchSize:
type: safeInt64
optional: true
unstable: false
localTime:
type: date
optional: true
unstable: false
logicalSessionTimeoutMinutes:
type: safeInt
optional: true
unstable: false
connectionId:
type: safeInt64
optional: true
unstable: false
minWireVersion:
type: safeInt
optional: true
unstable: false
maxWireVersion:
type: safeInt
optional: true
unstable: false
readOnly:
type: bool
optional: true
unstable: false
compression:
type: array<string>
optional: true
unstable: false
automationServiceDescriptor:
type: string
optional: true
unstable: false
saslSupportedMechs:
type: array<string>
optional: true
unstable: false
speculativeAuthenticate:
type: object
optional: true
unstable: false
msg:
type: string
optional: true
unstable: false
serviceId:
type: objectid
optional: true
unstable: false
##
## ReplicationInfo
##
topologyVersion:
type: TopologyVersion
unstable: false
ismaster:
# Replies will contain 'ismaster' OR 'isWritablePrimary', not both
type: bool
optional: true
unstable: false
isWritablePrimary:
type: bool
optional: true
unstable: false
##
## Using ReplSets
##
hosts:
type: array<string>
optional: true
unstable: false
passives:
type: array<string>
optional: true
unstable: false
arbiters:
type: array<string>
optional: true
unstable: false
setName:
type: string
optional: true
unstable: false
primary:
type: string
optional: true
unstable: false
secondary:
type: bool
optional: true
unstable: false
info:
type: string
optional: true
unstable: false
isreplicaset:
type: bool
optional: true
unstable: false
setVersion:
type: safeInt
optional: true
unstable: false
arbiterOnly:
type: bool
optional: true
unstable: false
passive:
type: bool
optional: true
unstable: false
hidden:
type: bool
optional: true
unstable: false
buildIndexes:
type: bool
optional: true
unstable: false
slaveDelay:
# Reply will contain either slaveDelay or secondaryDelaySecs, but not both.
type: safeInt64
optional: true
unstable: false
secondaryDelaySecs:
type: safeInt64
optional: true
unstable: false
tags:
type: object
optional: true
unstable: false
me:
type: string
optional: true
unstable: false
electionId:
type: objectid
optional: true
unstable: false
lastWrite:
type: HelloLastWrite
optional: true
unstable: false
isImplicitDefaultMajorityWC:
# Only populated on shard server.
type: bool
optional: true
unstable: false
cwwc:
# Only populated on shard server.
type: WriteConcern
optional: true
unstable: false
commands:
hello:
# Aliases: 'isMaster', 'ismaster'
description: "Check if this server is primary for a replica set { hello: 1 }"
command_name: hello
namespace: ignored
cpp_name: HelloCommand
api_version: "1"
access_check:
none: true
reply_type: HelloCommandReply
# Most V1 commands should be strict: true but hello is special to allow for unknown fields.
strict: false
fields:
forShell:
type: safeBool
default: false
unstable: false
hostInfo:
type: string
default: false
unstable: false
hangUpOnStepDown:
type: safeBool
default: true
unstable: false
internalClient:
type: HelloInternalClientField
optional: true
unstable: false
client:
type: ClientMetadata
optional: true
unstable: false
topologyVersion:
type: TopologyVersion
optional: true
unstable: false
maxAwaitTimeMS:
type: safeInt64
optional: true
validator: { gte: 0 }
unstable: false
helloOk:
type: safeBool
optional: true
unstable: false
compression:
type: array<string>
optional: true
unstable: false
saslSupportedMechs:
type:
variant: [string, object_owned]
optional: true
unstable: false
speculativeAuthenticate:
type: object
optional: true
unstable: false
loadBalanced:
type: bool
optional: true
unstable: false
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