1 # -*- encoding: binary -*-
2 # here are internal implementation details, do not rely on them in your code
4 require 'mogilefs/new_file/writer'
7 class MogileFS::NewFile::ContentRange
8 include MogileFS::NewFile::Writer
9 include MogileFS::NewFile::Common
14 require 'net/http/persistent'
15 NHP = Net::HTTP::Persistent.new('mogilefs')
18 NHP.request(uri, req).value
22 Net::HTTP.start(uri.host, uri.port) { |h| h.request(req).value }
27 def initialize(dests, opts) # :nodoc:
30 @devid = @uri = @md5 = nil
35 def get_dest # :nodoc:
36 return [ @devid, @uri ] if @uri
37 rv = @dests.shift or no_nodes!
38 rv[1] = URI.parse(rv[1])
42 def no_nodes! # :nodoc:
43 raise NoStorageNodesError,
44 "all paths failed with PUT: #{@errors.join(', ')}", []
47 def request_for(uri, buf) # :nodoc:
48 put = Net::HTTP::Put.new(uri.path)
49 put["Content-Type"] = "application/octet-stream"
50 put["Content-MD5"] = [ Digest::MD5.digest(buf) ].pack("m").chomp!
51 if @bytes_uploaded > 0
52 last_byte = @bytes_uploaded + buf.bytesize - 1
53 put["Content-Range"] = "bytes #@bytes_uploaded-#{last_byte}/*"
67 put = request_for(uri, buf)
69 hit(uri, put) # raises on error
71 raise if @bytes_uploaded > 0
73 # nothing uploaded, try another dest
74 @errors << "#{uri.to_s} - #{e.message} (#{e.class})"
76 put = request_for(uri, buf)
80 @uri, @devid = uri, devid if 0 == @bytes_uploaded
81 @bytes_uploaded += len
85 # called on close, do not use
87 zero_byte_special if @bytes_uploaded == 0
89 create_close(@devid, @uri, @bytes_uploaded)
92 # special case for zero-byte files :<
93 def zero_byte_special # :nodoc:
94 @devid, @uri = get_dest
95 put = request_for(@uri, "")
97 hit(@uri, put) # raises on error
99 @errors << "#{@uri.to_s} - #{e.message} (#{e.class})"
100 @devid, @uri = get_dest
101 put = request_for(@uri, "")