1 # -*- encoding: binary -*-
2 # here are internal implementation details, do not rely on them in your code
3 require 'mogilefs/new_file/writer'
6 class MogileFS::NewFile::ContentRange
7 include MogileFS::NewFile::Writer
8 include MogileFS::NewFile::Common
12 @opts[:nhp_put].request(uri, req).value
16 def initialize(dests, opts) # :nodoc:
19 @devid = @uri = @md5 = nil
24 def get_dest # :nodoc:
25 return [ @devid, @uri ] if @uri
26 rv = @dests.shift or no_nodes!
27 rv[1] = URI.parse(rv[1])
31 def no_nodes! # :nodoc:
32 raise NoStorageNodesError,
33 "all paths failed with PUT: #{@errors.join(', ')}", []
36 def request_for(uri, buf) # :nodoc:
37 put = Net::HTTP::Put.new(uri.path)
38 put["Content-Type"] = "application/octet-stream"
39 put["Content-MD5"] = [ Digest::MD5.digest(buf) ].pack("m").chomp!
40 if @bytes_uploaded > 0
41 last_byte = @bytes_uploaded + buf.bytesize - 1
42 put["Content-Range"] = "bytes #@bytes_uploaded-#{last_byte}/*"
56 put = request_for(uri, buf)
58 hit(uri, put) # raises on error
60 raise if @bytes_uploaded > 0
62 # nothing uploaded, try another dest
63 @errors << "#{uri.to_s} - #{e.message} (#{e.class})"
65 put = request_for(uri, buf)
69 @uri, @devid = uri, devid if 0 == @bytes_uploaded
70 @bytes_uploaded += len
74 # called on close, do not use
76 zero_byte_special if @bytes_uploaded == 0
78 create_close(@devid, @uri, @bytes_uploaded)
81 # special case for zero-byte files :<
82 def zero_byte_special # :nodoc:
83 @devid, @uri = get_dest
84 put = request_for(@uri, "")
86 hit(@uri, put) # raises on error
88 @errors << "#{@uri.to_s} - #{e.message} (#{e.class})"
89 @devid, @uri = get_dest
90 put = request_for(@uri, "")