# HG changeset patch
# User jbe
# Date 1434415774 -7200
# Node ID 32d7423a6753c74159a9d0c90b967d1e6c6bcb1d
# Parent  4d5cf5cacc68c5ea7d1dbf46e5049103651e9f3b
Removed "prepare" state and added 100-Continue header in local prepare() function in HTTP module

diff -r 4d5cf5cacc68 -r 32d7423a6753 moonbridge_http.lua
--- a/moonbridge_http.lua	Tue Jun 16 00:55:10 2015 +0200
+++ b/moonbridge_http.lua	Tue Jun 16 02:49:34 2015 +0200
@@ -338,7 +338,6 @@
       -- local variables to track the state:
       local state = "init"        -- one of:
       --  "init"                  (initial state)
-      --  "prepare"               (configureation in preparation)
       --  "no_status_sent"        (configuration complete)
       --  "info_status_sent"      (1xx status code has been sent)
       --  "bodyless_status_sent"  (204/304 status code has been sent)
@@ -413,7 +412,6 @@
         end
         if
           state == "init" or
-          state == "prepare" or
           state == "no_status_sent" or
           state == "info_status_sent"
         then
@@ -513,14 +511,15 @@
       -- function to prepare (or skip) body processing:
       local function prepare()
         assert_not_faulty()
-        if state == "prepare" then
-          error("Unexpected internal status in HTTP engine (recursive prepare)")
-        elseif state ~= "init" then
+        if state ~= "init" then
           return
         end
-        state = "prepare"
-        -- TODO
+        consume = coroutine.wrap(read_body)
         state = "no_status_sent"
+        if request.headers_flags["Expect"]["100-continue"] then
+          request:send_status("100 Continue")
+          request:finish_headers()
+        end
       end
       -- method to ignore input and close connection after response:
       function request:monologue()
@@ -535,7 +534,7 @@
         state = "faulty"
         consume = drain
         close_requested = true
-        if old_state == "init" or old_state == "prepare" then  -- TODO: ok?
+        if old_state == "init" then
           state = "no_status_sent"
         else
           state = old_state
@@ -571,11 +570,7 @@
       -- (key and value must be provided as separate args)
       function request:send_header(key, value)
         assert_not_faulty()
-        if
-          state == "init" or
-          state == "prepare" or
-          state == "no_status_sent"
-        then
+        if state == "init" or state == "no_status_sent" then
           error("HTTP status has not been sent yet")
         elseif
           state == "headers_sent" or