Module: VFS

Defined in:
lib/smb/vfs.rb

Overview

module Ambit

Defined Under Namespace

Modules: Dir, File, FileTest

Constant Summary collapse

SCHEMES = 
{
	'smb'=> {
		:dir_new => lambda { |uri| SMB::Dir.new(uri.to_s) },
		:file_new => lambda { |uri,flags,mode| SMB::File.new(uri.to_s,flags,mode) },
		:dir_entries => lambda { |uri| SMB::Dir.entries(uri.to_s) },
		:dir_foreach => lambda { |uri,block| SMB::Dir.foreach(uri.to_s, &block) },
		:mkdir => lambda { |uri,mode| SMB::Dir.mkdir(uri.to_s,mode) },
		:rmdir => lambda { |uri| SMB::Dir.rmdir(uri.to_s) },
		:stat => lambda { |uri| SMB::File.stat(uri.to_s) },
		:unlink => lambda { |uri| SMB::File.unlink(uri.to_s) },
		:file_read => lambda { |uri| SMB::File.read(uri.to_s) },
		
		
		:init => lambda { |auth| SMB::init { |srv,shr,wrk,uid,pwd| auth.call(URI.parse("smb://#{srv}/#{shr}"),{:server=>srv, :share=>shr, :workgroup=>wrk, :username=>uid, :password=>pwd}) } },
	},
	'file'=> {
		:dir_new => lambda { |uri| ::Dir.new(unescape(uri.path)) },
		:file_new => lambda { |uri,flags,mode| ::File.new(unescape(uri.path),flags,mode) },
		:dir_entries => lambda { |uri| ::Dir.entries(unescape(uri.path)) },
		:dir_foreach => lambda { |uri,block| ::Dir.foreach(unescape(uri.path), &block) },
		:mkdir => lambda { |uri,mode| ::Dir.mkdir(unescape(uri.path),mode) },
		:rmdir => lambda { |uri| ::Dir.rmdir(unescape(uri.path)) },
		:stat => lambda { |uri| ::File.stat(unescape(uri.path)) },
		:unlink => lambda { |uri| ::File.unlink(unescape(uri.path)) },
		:file_read => lambda { |uri| ::File.read(unescape(uri.path)) },
	}
}

Class Method Summary collapse

Class Method Details

.escape(str) ⇒ Object 



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# File 'lib/smb/vfs.rb', line 74

def self.escape(str)
	str.gsub(/([^-A-Za-z0-9.\/])/) {|i| sprintf("%%%02X",i[0]) }
end

.init(&auth_callback) ⇒ Object 



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# File 'lib/smb/vfs.rb', line 67

def self.init(&auth_callback)
	SCHEMES.each do |key,val|
		if val[:init]
			val[:init].call(auth_callback)
		end
	end
end

.io_copy(in_fp, out_fp, block_size = (4096 * 16)) ⇒ Object 



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# File 'lib/smb/vfs.rb', line 87

def self.io_copy(in_fp, out_fp, block_size = (4096 * 16))
	rfp, wfp = IO::pipe

	reader = fork {
		rfp.close()
		while str = in_fp.read(block_size)
			wfp.write(str)
			break if in_fp.respond_to?(:eof?) and in_fp.eof?
		end
		wfp.close
		exit(1)
	}
	writer = fork {
		wfp.close()
		while str = rfp.read(block_size)
			out_fp.write(str)
			break if rfp.closed? or rfp.eof? or str.empty?
		end
		rfp.close
		exit(1)
	}
	wfp.close()
	rfp.close()

	ar = aw = nil
	until ar and aw
		ar = Process::waitpid2(reader, Process::WNOHANG) unless ar
		aw = Process::waitpid2(writer, Process::WNOHANG) unless aw
	end
end

.path2uri(path) ⇒ Object 



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# File 'lib/smb/vfs.rb', line 80

def self.path2uri(path)
	"file://" + escape(if path[0] == ?/
		path
	else
		::File::expand_path(path)
	end)
end

.unescape(str) ⇒ Object 



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# File 'lib/smb/vfs.rb', line 77

def self.unescape(str)
	str.gsub(/(\%[A-Fa-f0-9]{2})/) {|i| d=" "; d[0]=Integer("0x"+i[1..-1]); d }
end