* libs/httpd: Forward changed Handler API to use luci.http to push responses

* libs/httpd: Added Expect: 100-continue header support to server (merged from Jow)

libs/httpd/luasrc/httpd/module.lua

@@ -90,20 +90,7 @@ function Handler.process(self, request, sourcein, sinkout, sinkerr)
 		end
 	end
 	
-	
-	-- Print status and headers
-	sinkout("HTTP/1.1 " .. response.status .. " " .. statusmsg[response.status] .. "\r\n")
-	for k, v in pairs(response.headers) do
-		sinkout(k .. ": " .. v .. "\r\n")
-	end
-	
-	-- End of Headers
-	sinkout("\r\n")
-	
-	-- Pump content
-	if sourceout then
-		ltn12.pump.all(sourceout, sinkout)
-	end
+	luci.http.push_response(request, status, response, sourceout, sinkout, sinkerr) 
 end
 
 
@@ -132,7 +119,7 @@ end
 -- Handler Response 
 Response = luci.util.class()
 
-function Response.__init__(self, status, headers)
+function Response.__init__(self, request, status, headers)
 	self.status = tonumber(status) or 200
 	self.headers = (type(headers) == "table") and headers or {}
 end

libs/httpd/luasrc/httpd/server.lua

@@ -98,6 +98,16 @@ function client_handler(client)
 	local message, err = luci.http.protocol.parse_message_header( line_source )
 
 	if message then
+
+		-- If we have a HTTP/1.1 client and an Expect: 100-continue header then
+		-- respond with HTTP 100 Continue message
+		if message.http_version == 1.1 and message.headers['Expect'] and
+			message.headers['Expect'] == '100-continue'
+		then
+			client:send("HTTP/1.1 100 Continue\r\n\r\n")
+		end
+
+
 		local s, e = luci.http.protocol.parse_message_body( block_source, message )
 
 		-- XXX: debug