1 # -*- encoding: binary -*-
2 # here are internal implementation details, do not rely on them in your code
4 require 'net/http/persistent'
7 'net-http-persistent required for :largefile => :content_range', []
10 require 'mogilefs/new_file_common'
11 require 'mogilefs/new_file_writer'
14 class MogileFS::Put::ContentRange
15 include MogileFS::NewFileWriter
16 include MogileFS::NewFileCommon
18 NHP = Net::HTTP::Persistent.new('mogilefs')
21 def initialize(dests, opts) # :nodoc:
24 @devid = @uri = @md5 = nil
29 def get_dest # :nodoc:
30 return [ @devid, @uri ] if @uri
31 rv = @dests.shift or no_nodes!
32 rv[1] = URI.parse(rv[1])
36 def no_nodes! # :nodoc:
37 raise NoStorageNodesError,
38 "all paths failed with PUT: #{@errors.join(', ')}", []
41 def request_for(uri, buf) # :nodoc:
42 put = Net::HTTP::Put.new(uri.path)
43 put["Content-Type"] = "application/octet-stream"
44 put["Content-MD5"] = [ Digest::MD5.digest(buf) ].pack("m").chomp!
45 if @bytes_uploaded > 0
46 last_byte = @bytes_uploaded + buf.bytesize - 1
47 put["Content-Range"] = "bytes #@bytes_uploaded-#{last_byte}/*"
61 put = request_for(uri, buf)
63 NHP.request(uri, put).value # raises on error
65 raise if @bytes_uploaded > 0
67 # nothing uploaded, try another dest
68 @errors << "#{uri.to_s} - #{e.message} (#{e.class})"
70 put = request_for(uri, buf)
74 @uri, @devid = uri, devid if 0 == @bytes_uploaded
75 @bytes_uploaded += len
79 # called on close, do not use
81 zero_byte_special if @bytes_uploaded == 0
83 create_close(@devid, @uri, @bytes_uploaded)
86 # special case for zero-byte files :<
87 def zero_byte_special # :nodoc:
88 @devid, @uri = get_dest
89 put = request_for(@uri, "")
91 NHP.request(@uri, put).value # raises on error
93 @errors << "#{@uri.to_s} - #{e.message} (#{e.class})"
94 @devid, @uri = get_dest
95 put = request_for(@uri, "")
99 end if defined?(Net::HTTP::Persistent)