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require 'puma/const'
module Puma
class Binder
include Puma::Const
def initialize(events)
@events = events
@listeners = []
@inherited_fds = {}
@unix_paths = []
@proto_env = {
"rack.version".freeze => Rack::VERSION,
"rack.errors".freeze => events.stderr,
"rack.multithread".freeze => true,
"rack.multiprocess".freeze => false,
"rack.run_once".freeze => true,
"SCRIPT_NAME".freeze => ENV['SCRIPT_NAME'] || "",
# Rack blows up if this is an empty string, and Rack::Lint
# blows up if it's nil. So 'text/plain' seems like the most
# sensible default value.
"CONTENT_TYPE".freeze => "text/plain",
"QUERY_STRING".freeze => "",
SERVER_PROTOCOL => HTTP_11,
SERVER_SOFTWARE => PUMA_VERSION,
GATEWAY_INTERFACE => CGI_VER
}
@envs = {}
@ios = []
end
attr_reader :listeners, :ios
def env(sock)
@envs.fetch(sock, @proto_env)
end
def close
@ios.each { |i| i.close }
@unix_paths.each { |i| File.unlink i }
end
def import_from_env
remove = []
ENV.each do |k,v|
if k =~ /PUMA_INHERIT_\d+/
fd, url = v.split(":", 2)
@inherited_fds[url] = fd.to_i
remove << k
end
end
remove.each do |k|
ENV.delete k
end
end
def parse(binds, logger)
binds.each do |str|
uri = URI.parse str
case uri.scheme
when "tcp"
if fd = @inherited_fds.delete(str)
logger.log "* Inherited #{str}"
io = inherit_tcp_listener uri.host, uri.port, fd
else
logger.log "* Listening on #{str}"
io = add_tcp_listener uri.host, uri.port
end
@listeners << [str, io]
when "unix"
path = "#{uri.host}#{uri.path}"
if fd = @inherited_fds.delete(str)
logger.log "* Inherited #{str}"
io = inherit_unix_listener path, fd
else
logger.log "* Listening on #{str}"
umask = nil
if uri.query
params = Rack::Utils.parse_query uri.query
if u = params['umask']
# Use Integer() to respect the 0 prefix as octal
umask = Integer(u)
end
end
io = add_unix_listener path, umask
end
@listeners << [str, io]
when "ssl"
if IS_JRUBY
@events.error "SSL not supported on JRuby"
raise UnsupportedOption
end
params = Rack::Utils.parse_query uri.query
require 'puma/minissl'
ctx = MiniSSL::Context.new
unless params['key']
@events.error "Please specify the SSL key via 'key='"
end
ctx.key = params['key']
unless params['cert']
@events.error "Please specify the SSL cert via 'cert='"
end
ctx.cert = params['cert']
ctx.verify_mode = MiniSSL::VERIFY_NONE
if fd = @inherited_fds.delete(str)
logger.log "* Inherited #{str}"
io = inherited_ssl_listener fd, ctx
else
logger.log "* Listening on #{str}"
io = add_ssl_listener uri.host, uri.port, ctx
end
@listeners << [str, io]
else
logger.error "Invalid URI: #{str}"
end
end
# If we inherited fds but didn't use them (because of a
# configuration change), then be sure to close them.
@inherited_fds.each do |str, fd|
logger.log "* Closing unused inherited connection: #{str}"
begin
IO.for_fd(fd).close
rescue SystemCallError
end
# We have to unlink a unix socket path that's not being used
uri = URI.parse str
if uri.scheme == "unix"
path = "#{uri.host}#{uri.path}"
File.unlink path
end
end
end
# Tell the server to listen on host +host+, port +port+.
# If +optimize_for_latency+ is true (the default) then clients connecting
# will be optimized for latency over throughput.
#
# +backlog+ indicates how many unaccepted connections the kernel should
# allow to accumulate before returning connection refused.
#
def add_tcp_listener(host, port, optimize_for_latency=true, backlog=1024)
s = TCPServer.new(host, port)
if optimize_for_latency
s.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)
end
s.setsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR, true)
s.listen backlog
@ios << s
s
end
def inherit_tcp_listener(host, port, fd)
if fd.kind_of? TCPServer
s = fd
else
s = TCPServer.for_fd(fd)
end
@ios << s
s
end
def add_ssl_listener(host, port, ctx,
optimize_for_latency=true, backlog=1024)
if IS_JRUBY
@events.error "SSL not supported on JRuby"
raise UnsupportedOption
end
require 'puma/minissl'
s = TCPServer.new(host, port)
if optimize_for_latency
s.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)
end
s.setsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR, true)
s.listen backlog
ssl = MiniSSL::Server.new s, ctx
env = @proto_env.dup
env[HTTPS_KEY] = HTTPS
@envs[ssl] = env
@ios << ssl
s
end
def inherited_ssl_listener(fd, ctx)
if IS_JRUBY
@events.error "SSL not supported on JRuby"
raise UnsupportedOption
end
require 'puma/minissl'
s = TCPServer.for_fd(fd)
@ios << MiniSSL::Server.new(s, ctx)
s
end
# Tell the server to listen on +path+ as a UNIX domain socket.
#
def add_unix_listener(path, umask=nil)
@unix_paths << path
# Let anyone connect by default
umask ||= 0
begin
old_mask = File.umask(umask)
s = UNIXServer.new(path)
@ios << s
ensure
File.umask old_mask
end
s
end
def inherit_unix_listener(path, fd)
@unix_paths << path
s = UNIXServer.for_fd fd
@ios << s
s
end
end
end
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