module NewRelic::Agent::Datastores::Redis
Constants
- ALL_BUT_FIRST
- BINARY_DATA_PLACEHOLDER
- CHUNK_SIZE
- CONNECT
- ELLIPSES
- MAXIMUM_ARGUMENT_LENGTH
- MAXIMUM_COMMAND_LENGTH
- MULTI_OPERATION
- NEWLINE
- OBFUSCATE_ARGS
- PIPELINE_OPERATION
- PREFIX_RANGE
- PRODUCT_NAME
- QUOTE
- SPACE
- STRINGS_SUPPORT_ENCODING
- SUFFIX_RANGE
Public Class Methods
append_command_with_args(result, command_with_args)
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# File lib/new_relic/agent/datastores/redis.rb, line 70 def self.append_command_with_args(result, command_with_args) result << command_with_args.first.to_s if command_with_args.size > 1 command_with_args[ALL_BUT_FIRST].each do |arg| ellipsize(result, arg) break if result.length >= MAXIMUM_COMMAND_LENGTH end end result end
append_command_with_no_args(result, command_with_args)
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# File lib/new_relic/agent/datastores/redis.rb, line 84 def self.append_command_with_no_args(result, command_with_args) result << command_with_args.first.to_s result << OBFUSCATE_ARGS if command_with_args.size > 1 result end
append_pipeline_command(result, command_with_args)
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# File lib/new_relic/agent/datastores/redis.rb, line 60 def self.append_pipeline_command(result, command_with_args) if Agent.config[:'transaction_tracer.record_redis_arguments'] append_command_with_args(result, command_with_args) else append_command_with_no_args(result, command_with_args) end result end
ellipsize(result, string)
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# File lib/new_relic/agent/datastores/redis.rb, line 94 def self.ellipsize(result, string) result << SPACE if !string.is_a?(String) result << string.to_s elsif STRINGS_SUPPORT_ENCODING && string.encoding == Encoding::ASCII_8BIT result << BINARY_DATA_PLACEHOLDER elsif string.length > MAXIMUM_ARGUMENT_LENGTH result << QUOTE result << string[PREFIX_RANGE] result << ELLIPSES result << string[SUFFIX_RANGE] result << QUOTE else result << QUOTE result << string result << QUOTE end end
format_command(command_with_args)
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# File lib/new_relic/agent/datastores/redis.rb, line 29 def self.format_command(command_with_args) if Agent.config[:'transaction_tracer.record_redis_arguments'] result = "" append_command_with_args(result, command_with_args) trim_result(result) if result.length >= MAXIMUM_COMMAND_LENGTH result.strip! result else nil end end
format_pipeline_commands(commands_with_args)
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# File lib/new_relic/agent/datastores/redis.rb, line 43 def self.format_pipeline_commands(commands_with_args) result = "" commands_with_args.each do |command| if result.length >= MAXIMUM_COMMAND_LENGTH trim_result(result) break end append_pipeline_command(result, command) result << NEWLINE end result.strip! result end
is_supported_version?()
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# File lib/new_relic/agent/datastores/redis.rb, line 90 def self.is_supported_version? ::NewRelic::VersionNumber.new(::Redis::VERSION) >= ::NewRelic::VersionNumber.new("3.0.0") end
safe_from_third_party_gem?()
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# File lib/new_relic/agent/datastores/redis.rb, line 113 def self.safe_from_third_party_gem? if NewRelic::LanguageSupport.bundled_gem?("newrelic-redis") ::NewRelic::Agent.logger.info("Not installing New Relic supported Redis instrumentation because the third party newrelic-redis gem is present") false else true end end
trim_result(result)
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# File lib/new_relic/agent/datastores/redis.rb, line 122 def self.trim_result(result) result.slice!((MAXIMUM_COMMAND_LENGTH-ELLIPSES.length)..-1) result.strip! result << ELLIPSES end