Module: Net::SSH::Loggable

### Home Classes Methods

### In Files

- lib/net/ssh/loggable.rb

### Methods

- #debug
- #error
- #fatal
- #info
- #lwarn

### Files

- README.rdoc

### Class/Module Index

Quicksearch

- Net
- Net::SSH
- Net::SSH::Authentication
- Net::SSH::Authentication::Agent
- Net::SSH::Authentication::Agent::Comment
- Net::SSH::Authentication::AgentError
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- Net::SSH::Authentication::Constants
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- Net::SSH::Test::Kex
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- Net::SSH::Test::Script
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- Net::SSH::Transport
- Net::SSH::Transport::Algorithms
- Net::SSH::Transport::CTR
- Net::SSH::Transport::CipherFactory
- Net::SSH::Transport::Constants
- Net::SSH::Transport::HMAC
- Net::SSH::Transport::HMAC::Abstract
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- Net::SSH::Transport::HMAC::None
- Net::SSH::Transport::HMAC::RIPEMD160
- Net::SSH::Transport::HMAC::SHA1
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- Net::SSH::Transport::HMAC::SHA2_256
- Net::SSH::Transport::HMAC::SHA2_256_96
- Net::SSH::Transport::HMAC::SHA2_512
- Net::SSH::Transport::HMAC::SHA2_512_96
- Net::SSH::Transport::IdentityCipher
- Net::SSH::Transport::Kex
- Net::SSH::Transport::Kex::DiffieHellmanGroup14SHA1
- Net::SSH::Transport::Kex::DiffieHellmanGroup1SHA1
- Net::SSH::Transport::Kex::DiffieHellmanGroupExchangeSHA1
- Net::SSH::Transport::Kex::DiffieHellmanGroupExchangeSHA256
- Net::SSH::Transport::Kex::EcdhSHA2NistP256
- Net::SSH::Transport::Kex::EcdhSHA2NistP384
- Net::SSH::Transport::Kex::EcdhSHA2NistP521
- Net::SSH::Transport::KeyExpander
- Net::SSH::Transport::PacketStream
- Net::SSH::Transport::ServerVersion
- Net::SSH::Transport::Session
- Net::SSH::Transport::State
- Net::SSH::Verifiers
- Net::SSH::Verifiers::Lenient
- Net::SSH::Verifiers::Null
- Net::SSH::Verifiers::Secure
- Net::SSH::Verifiers::Strict
- Net::SSH::Version
- OpenSSL
- OpenSSL::BN
- OpenSSL::PKey
- OpenSSL::PKey::DH
- OpenSSL::PKey::DSA
- OpenSSL::PKey::EC
- OpenSSL::PKey::OpenSSL
- OpenSSL::PKey::OpenSSL::PKey
- OpenSSL::PKey::OpenSSL::PKey::OpenSSL
- OpenSSL::PKey::OpenSSL::PKey::OpenSSL::PKey
- OpenSSL::PKey::OpenSSL::PKey::OpenSSL::PKey::ECError
- OpenSSL::PKey::PKey
- OpenSSL::PKey::RSA
- String

No matching classes.

# Net::SSH::Loggable

A simple module to make logging easier to deal with. It assumes that the logger instance (if not nil) quacks like a Logger object (in Ruby's standard library). Although used primarily internally by Net::SSH, it can easily be used to add Net::SSH-like logging to your own programs.

    class MyClass
      include Net::SSH::Loggable
    end

    Net::SSH.start(...) do |ssh|
      obj = MyClass.new
      obj.logger = ssh.logger
      ...
    end

### Attributes

logger[RW]

The logger instance that will be used to log messages. If nil, nothing will be logged.

### Public Instance Methods

debug() click to toggle source

Displays the result of yielding if the log level is Logger::DEBUG or greater.

    # File lib/net/ssh/loggable.rb, line 24
    def debug
      logger.add(Logger::DEBUG, nil, facility) { yield } if logger && logger.debug?
    end

error() click to toggle source

Displays the result of yielding if the log level is Logger:ERROR or greater.

    # File lib/net/ssh/loggable.rb, line 42
    def error
      logger.add(Logger::ERROR, nil, facility) { yield } if logger && logger.error?
    end

fatal() click to toggle source

Displays the result of yielding if the log level is Logger::FATAL or greater.

    # File lib/net/ssh/loggable.rb, line 48
    def fatal
      logger.add(Logger::FATAL, nil, facility) { yield } if logger && logger.fatal?
    end

info() click to toggle source

Displays the result of yielding if the log level is Logger::INFO or greater.

    # File lib/net/ssh/loggable.rb, line 30
    def info
      logger.add(Logger::INFO, nil, facility) { yield } if logger && logger.info?
    end

lwarn() click to toggle source

Displays the result of yielding if the log level is Logger::WARN or greater. (Called lwarn to avoid shadowing with Kernel#warn.)

    # File lib/net/ssh/loggable.rb, line 36
    def lwarn
      logger.add(Logger::WARN, nil, facility) { yield } if logger && logger.warn?
    end

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