Class: Async::HTTP::Server

Inherits:
Middleware show all
Defined in:
lib/async/http/server.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Middleware

build, #call, #close

Constructor Details

#initialize(app, endpoint, protocol = endpoint.protocol, scheme = endpoint.scheme) ⇒ Server

Returns a new instance of Server.



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# File 'lib/async/http/server.rb', line 34

def initialize(app, endpoint, protocol = endpoint.protocol, scheme = endpoint.scheme)
  super(app)
  
  @endpoint = endpoint
  @protocol = protocol
  @scheme = scheme
end

Instance Attribute Details

#scheme ⇒ Object (readonly)

Returns the value of attribute scheme.



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# File 'lib/async/http/server.rb', line 42

def scheme
  @scheme
end

Class Method Details

.for(*args, &block) ⇒ Object 



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# File 'lib/async/http/server.rb', line 30

def self.for(*args, &block)
  self.new(block, *args)
end

Instance Method Details

#accept(peer, address, task: Task.current) ⇒ Object 



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# File 'lib/async/http/server.rb', line 44

def accept(peer, address, task: Task.current)
  peer.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)
  
  stream = Async::IO::Stream.new(peer)
  protocol = @protocol.server(stream)
  
  Async.logger.debug(self) {"Incoming connnection from #{address.inspect} to #{protocol}"}
  
  protocol.each do |request|
    # We set the default scheme unless it was otherwise specified.
    # https://tools.ietf.org/html/rfc7230#section-5.5
    request.scheme ||= self.scheme
    
    # This is a slight optimization to avoid having to get the address from the socket.
    request.remote_address = address
    
    # Async.logger.debug(self) {"Incoming request from #{address.inspect}: #{request.method} #{request.path}"}
    
    # If this returns nil, we assume that the connection has been hijacked.
    self.call(request)
  end
rescue EOFError, Errno::ECONNRESET, Errno::EPIPE, Errno::EPROTOTYPE
  # Sometimes client will disconnect without completing a result or reading the entire buffer. That means we are done.
  # Errno::EPROTOTYPE is a bug with Darwin. It happens because the socket is lazily created (in Darwin).
end

#run ⇒ Object 



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# File 'lib/async/http/server.rb', line 70

def run
  @endpoint.accept(&self.method(:accept))
end