Class: EventMachine::HttpConnection
- Inherits:
-
Object
- Object
- EventMachine::HttpConnection
show all
- Includes:
- Connectify, HTTPMethods, Socksify
- Defined in:
- lib/em-http/http_connection.rb
Instance Attribute Summary collapse
Instance Method Summary
collapse
#delete, #get, #head, #options, #patch, #post, #put
Constructor Details
Returns a new instance of HttpConnection.
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# File 'lib/em-http/http_connection.rb', line 43
def initialize
@deferred = true
@middleware = []
end
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Instance Attribute Details
#conn ⇒ Object
Returns the value of attribute conn.
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# File 'lib/em-http/http_connection.rb', line 41
def conn
@conn
end
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#connopts ⇒ Object
Returns the value of attribute connopts.
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# File 'lib/em-http/http_connection.rb', line 41
def connopts
@connopts
end
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#deferred ⇒ Object
Returns the value of attribute deferred.
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# File 'lib/em-http/http_connection.rb', line 40
def deferred
@deferred
end
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#error ⇒ Object
Returns the value of attribute error.
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# File 'lib/em-http/http_connection.rb', line 41
def error
@error
end
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#uri ⇒ Object
Returns the value of attribute uri.
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# File 'lib/em-http/http_connection.rb', line 41
def uri
@uri
end
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Instance Method Details
#activate_connection(client) ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 53
def activate_connection(client)
begin
EventMachine.bind_connect(@connopts.bind, @connopts.bind_port,
@connopts.host, @connopts.port,
HttpStubConnection) do |conn|
post_init
@deferred = false
@conn = conn
conn.parent = self
conn.pending_connect_timeout = @connopts.connect_timeout
conn.comm_inactivity_timeout = @connopts.inactivity_timeout
end
finalize_request(client)
rescue EventMachine::ConnectionError => e
EM.next_tick{client.close(e.message)}
end
end
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#connection_completed ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 151
def connection_completed
@peer = @conn.get_peername
if @connopts.socks_proxy?
socksify(client.req.uri.host, client.req.uri.port, *@connopts.proxy[:authorization]) { start }
elsif @connopts.connect_proxy?
connectify(client.req.uri.host, client.req.uri.port, *@connopts.proxy[:authorization]) { start }
else
start
end
end
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#finalize_request(c) ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 96
def finalize_request(c)
@conn.callback { c.connection_completed }
middleware.each do |m|
c.callback &m.method(:response) if m.respond_to?(:response)
end
@clients.push c
end
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#middleware ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 106
def middleware
[HttpRequest.middleware, @middleware].flatten
end
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#peer ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 138
def peer
Socket.unpack_sockaddr_in(@peer)[1] rescue nil
end
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#post_init ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 110
def post_init
@clients = []
@pending = []
@p = Http::Parser.new
@p. = :mixed
@p. = proc do |h|
client.(h, @p.http_version, @p.status_code)
:reset if client.req.no_body?
end
@p.on_body = proc do |b|
client.on_body_data(b)
end
@p.on_message_complete = proc do
if !client.continue?
c = @clients.shift
c.state = :finished
c.on_request_complete
end
end
end
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#receive_data(data) ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 142
def receive_data(data)
begin
@p << data
rescue HTTP::Parser::Error => e
c = @clients.shift
c.nil? ? unbind(e.message) : c.on_error(e.message)
end
end
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#redirect(client) ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 168
def redirect(client)
@pending.push client
end
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#send_data(data) ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 203
def send_data(data)
@conn.send_data data
end
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#setup_request(method, options = {}, c = nil) ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 90
def setup_request(method, options = {}, c = nil)
c ||= HttpClient.new(self, HttpClientOptions.new(@uri, options, method))
@deferred ? activate_connection(c) : finalize_request(c)
c
end
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#start ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 163
def start
@conn.start_tls(@connopts.tls) if client && client.req.ssl?
@conn.succeed
end
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#stream_file_data(filename, args = {}) ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 207
def stream_file_data(filename, args = {})
@conn.stream_file_data filename, args
end
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#unbind(reason = nil) ⇒ Object
Also known as:
close
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# File 'lib/em-http/http_connection.rb', line 172
def unbind(reason = nil)
@clients.map { |c| c.unbind(reason) }
if r = @pending.shift
@clients.push r
r.reset!
@p.reset!
begin
@conn.set_deferred_status :unknown
if @connopts.proxy
@conn.reconnect(@connopts.host, @connopts.port)
else
@conn.reconnect(r.req.host, r.req.port)
end
@conn.pending_connect_timeout = @connopts.connect_timeout
@conn.comm_inactivity_timeout = @connopts.inactivity_timeout
@conn.callback { r.connection_completed }
rescue EventMachine::ConnectionError => e
@clients.pop.close(e.message)
end
else
@deferred = true
@conn.close_connection
end
end
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#use(klass, *args, &block) ⇒ Object
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# File 'lib/em-http/http_connection.rb', line 134
def use(klass, *args, &block)
@middleware << klass.new(*args, &block)
end
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