class FileReplicator::Checksum
Constants
- SUPPORTED
Public Class Methods
new(alg)
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# File lib/file_replicator/checksum.rb, line 8 def initialize(alg) @alg = alg @file_digest = Digest.const_get(alg.upcase).new @chunk_digest = Digest.const_get(alg.upcase).new end
Public Instance Methods
add_chunk(data)
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# File lib/file_replicator/checksum.rb, line 14 def add_chunk(data) @chunk_digest << data @file_digest << data end
append_chunk_checksum()
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# File lib/file_replicator/checksum.rb, line 29 def append_chunk_checksum append_to_checksum_file @chunk_digest.hexdigest, @chunk_file_name end
append_file_checksum()
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# File lib/file_replicator/checksum.rb, line 33 def append_file_checksum append_to_checksum_file @file_digest.hexdigest, @file_path end
start_new_chunk(chunk_file_name)
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# File lib/file_replicator/checksum.rb, line 24 def start_new_chunk(chunk_file_name) @chunk_file_name = File.basename(chunk_file_name) @chunk_digest.reset end
start_new_file(file_path)
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# File lib/file_replicator/checksum.rb, line 19 def start_new_file(file_path) @file_path = file_path @file_digest.reset end
Protected Instance Methods
append_to_checksum_file(hexdigest, checksummed_file_path)
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# File lib/file_replicator/checksum.rb, line 39 def append_to_checksum_file(hexdigest, checksummed_file_path) raise 'No checksum file path is defined' if @file_path.nil? chk_filename = "#{@file_path}.#{@alg.downcase}" File.open chk_filename, 'a' do |f| f.write "#{hexdigest} #{File.basename(checksummed_file_path)}\n" end end