Class: FtpSync::Simple

Inherits:
Object
  • Object
show all
Defined in:
lib/ftpsync.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(server, username, password, options = {}) ⇒ Simple

Returns a new instance of Simple.



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# File 'lib/ftpsync.rb', line 10

def initialize(server, username, password, options = {})
  @server = server
  @port = options[:port] || 21
  @username = username
  @password = password
  @passive = options[:passive] || false
  @verbose = options[:verbose] || false

  @connection = nil
  @level = 0
end

Instance Attribute Details

#passive ⇒ Object

Returns the value of attribute passive.



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# File 'lib/ftpsync.rb', line 8

def passive
  @passive
end

#password ⇒ Object

Returns the value of attribute password.



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# File 'lib/ftpsync.rb', line 8

def password
  @password
end

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/ftpsync.rb', line 8

def port
  @port
end

#server ⇒ Object

Returns the value of attribute server.



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# File 'lib/ftpsync.rb', line 8

def server
  @server
end

#username ⇒ Object

Returns the value of attribute username.



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# File 'lib/ftpsync.rb', line 8

def username
  @username
end

Instance Method Details

#close! ⇒ Object 



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# File 'lib/ftpsync.rb', line 86

def close!
  @connection.close
  log "Closed connection to #{@server}:#{@port}"
end

#connect! ⇒ Object 



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# File 'lib/ftpsync.rb', line 76

def connect!
  @connection = Net::FTP.new
  log "Connecting to #{@server}:#{@port} in #{@passive ? "passive" : "active"} mode"
  @connection.connect(@server, @port)
  @connection.passive = @passive
  log "Logging in as #{@username}:#{@password}"
  @connection.(@username, @password)
  log "Successfully opened connection to #{@server}:#{@port}"
end

#log(message) ⇒ Object 



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# File 'lib/ftpsync.rb', line 91

def log(message)
  $stderr.puts message if @verbose
end

#pull_dir(remotepath, localpath, options = {}, &block) ⇒ Object 



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# File 'lib/ftpsync.rb', line 22

def pull_dir(remotepath, localpath, options = {}, &block)
  FileUtils.mkpath(localpath) unless File.exist?(localpath) and log "Creating #{localpath} directory"
  connect! unless @connection
  @level += 1

  todelete = Dir.glob(File.join(localpath, '*'))
  directories = []
  files = []

  @connection.list(remotepath) do |e|
    entry = Net::FTP::List.parse(e)

    paths = [ "#{remotepath}/#{entry.basename}".gsub(/\/+/, '/'),  File.join(localpath, entry.basename)]

    if entry.dir?
      if entry.name == "." or entry.name == ".."
        next
      else
        directories << paths
      end
    elsif entry.file?
      if options[:since]
        files << paths unless File.exist?(paths[1]) and entry.mtime < File.mtime(paths[1]) and entry.filesize == File.size(paths[1])
      else
        files << paths
      end
    end
    todelete.delete paths[1]
  end

  directories.each do |paths|
    remotedir, localdir = paths
    pull_dir(remotedir, localdir, options, &block)
  end

  files.each do |paths|
    remotefile, localfile = paths
    begin
      log "#{remotefile} => #{localfile}"
      @connection.get(remotefile, localfile)
      if block_given?
        log "Executing block"
        yield(localfile)
      end
    rescue Net::FTPPermError
      log "Error when reading #{remotefile}"
      raise Net::FTPPermError unless options[:skip_errors]
    end
  end

  @level -= 1
  close! if @level == 0
end