diff options
Diffstat (limited to 'lib/unicorn/app/exec_cgi.rb')
| -rw-r--r-- | lib/unicorn/app/exec_cgi.rb | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/lib/unicorn/app/exec_cgi.rb b/lib/unicorn/app/exec_cgi.rb index 4d8e701..147b279 100644 --- a/lib/unicorn/app/exec_cgi.rb +++ b/lib/unicorn/app/exec_cgi.rb @@ -5,7 +5,7 @@ module Unicorn::App # This class is highly experimental (even more so than the rest of Unicorn) # and has never run anything other than cgit. - class ExecCgi + class ExecCgi < Struct.new(:args) CHUNK_SIZE = 16384 PASS_VARS = %w( @@ -32,12 +32,12 @@ module Unicorn::App # run Unicorn::App::ExecCgi.new("/path/to/cgit.cgi") # end def initialize(*args) - @args = args.dup - first = @args[0] or + self.args = args + first = args[0] or raise ArgumentError, "need path to executable" - first[0..0] == "/" or @args[0] = ::File.expand_path(first) - File.executable?(@args[0]) or - raise ArgumentError, "#{@args[0]} is not executable" + first[0..0] == "/" or args[0] = ::File.expand_path(first) + File.executable?(args[0]) or + raise ArgumentError, "#{args[0]} is not executable" end # Calls the app @@ -65,14 +65,14 @@ module Unicorn::App val = env[key] or next ENV[key] = val end - ENV['SCRIPT_NAME'] = @args[0] + ENV['SCRIPT_NAME'] = args[0] ENV['GATEWAY_INTERFACE'] = 'CGI/1.1' env.keys.grep(/^HTTP_/) { |key| ENV[key] = env[key] } a = IO.new(0).reopen(inp) b = IO.new(1).reopen(out) c = IO.new(2).reopen(err) - exec(*@args) + exec(*args) end # Extracts headers from CGI out, will change the offset of out. @@ -89,23 +89,24 @@ module Unicorn::App offset = 4 end offset += head.length - out.instance_variable_set('@unicorn_app_exec_cgi_offset', offset) - size -= offset # Allows +out+ to be used as a Rack body. - def out.each - sysseek(@unicorn_app_exec_cgi_offset) - - # don't use a preallocated buffer for sysread since we can't - # guarantee an actual socket is consuming the yielded string - # (or if somebody is pushing to an array for eventual concatenation - begin - yield(sysread(CHUNK_SIZE)) - rescue EOFError - return - end while true - end + out.instance_eval { class << self; self; end }.instance_eval { + define_method(:each) { |&blk| + sysseek(offset) + + # don't use a preallocated buffer for sysread since we can't + # guarantee an actual socket is consuming the yielded string + # (or if somebody is pushing to an array for eventual concatenation + begin + blk.call(sysread(CHUNK_SIZE)) + rescue EOFError + break + end while true + } + } + size -= offset prev = nil headers = Rack::Utils::HeaderHash.new head.split(/\r?\n/).each do |line| @@ -144,7 +145,7 @@ module Unicorn::App err.seek(0) dst = env['rack.errors'] pid = status.pid - dst.write("#{pid}: #{@args.inspect} status=#{status} stderr:\n") + dst.write("#{pid}: #{args.inspect} status=#{status} stderr:\n") err.each_line { |line| dst.write("#{pid}: #{line}") } dst.flush end |