88 lines
2.9 KiB
Ruby
88 lines
2.9 KiB
Ruby
# --
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# Copyright (C) 2008-2009 10gen Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ++
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require 'mongo/util/ordered_hash'
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module XGen
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module Mongo
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module Driver
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# Provide administrative database methods: those having to do with
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# profiling and validation.
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class Admin
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def initialize(db)
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@db = db
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end
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# Return the current database profiling level.
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def profiling_level
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oh = OrderedHash.new
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oh[:profile] = -1
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doc = @db.db_command(oh)
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raise "Error with profile command: #{doc.inspect}" unless @db.ok?(doc) && doc['was'].kind_of?(Numeric)
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case doc['was'].to_i
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when 0
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:off
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when 1
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:slow_only
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when 2
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:all
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else
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raise "Error: illegal profiling level value #{doc['was']}"
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end
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end
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# Set database profiling level to :off, :slow_only, or :all.
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def profiling_level=(level)
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oh = OrderedHash.new
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oh[:profile] = case level
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when :off
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0
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when :slow_only
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1
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when :all
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2
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else
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raise "Error: illegal profiling level value #{level}"
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end
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doc = @db.db_command(oh)
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raise "Error with profile command: #{doc.inspect}" unless @db.ok?(doc)
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end
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# Return an array contining current profiling information from the
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# database.
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def profiling_info
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@db.query(Collection.new(@db, DB::SYSTEM_PROFILE_COLLECTION), Query.new({})).to_a
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end
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# Validate a named collection by raising an exception if there is a
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# problem or returning an interesting hash (see especially the
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# 'result' string value) if all is well.
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def validate_collection(name)
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doc = @db.db_command(:validate => name)
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raise "Error with validate command: #{doc.inspect}" unless @db.ok?(doc)
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result = doc['result']
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raise "Error with validation data: #{doc.inspect}" unless result.kind_of?(String)
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raise "Error: invalid collection #{name}: #{doc.inspect}" if result =~ /\b(exception|corrupt)\b/i
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doc
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end
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end
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end
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end
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end
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