From d34d84aa046ffb30ed50c98596ad071f773bde07 Mon Sep 17 00:00:00 2001
From: Matthias Radestock <matthias@rabbitmq.com>
Date: Sun, 28 Nov 2010 11:15:20 +0000
Subject: experimental single-frame publish/deliver commands

---
 src/rabbit_channel.erl | 50 +++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 45 insertions(+), 5 deletions(-)

diff --git a/src/rabbit_channel.erl b/src/rabbit_channel.erl
index 6bed63a3..0cbfa9a1 100644
--- a/src/rabbit_channel.erl
+++ b/src/rabbit_channel.erl
@@ -474,6 +474,44 @@ handle_method(#'basic.publish'{exchange    = ExchangeNameBin,
                   _    -> add_tx_participants(DeliveredQPids, State)
               end};
 
+handle_method(#'basic.send'{exchange    = ExchangeNameBin,
+                            routing_key = RoutingKey,
+                            mandatory   = Mandatory,
+                            immediate   = Immediate,
+                            content     = Payload},
+              _, State = #ch{virtual_host   = VHostPath,
+                             transaction_id = TxnKey,
+                             writer_pid     = WriterPid}) ->
+    Content = rabbit_basic:build_content(#'P_basic'{}, Payload),
+    ExchangeName = rabbit_misc:r(VHostPath, exchange, ExchangeNameBin),
+    check_write_permitted(ExchangeName, State),
+    Exchange = rabbit_exchange:lookup_or_die(ExchangeName),
+    %% We decode the content's properties here because we're almost
+    %% certain to want to look at delivery-mode and priority.
+    DecodedContent = rabbit_binary_parser:ensure_content_decoded(Content),
+    IsPersistent = is_message_persistent(DecodedContent),
+    Message = #basic_message{exchange_name = ExchangeName,
+                             routing_key   = RoutingKey,
+                             content       = DecodedContent,
+                             guid          = rabbit_guid:guid(),
+                             is_persistent = IsPersistent},
+    {RoutingRes, DeliveredQPids} =
+        rabbit_exchange:publish(
+          Exchange,
+          rabbit_basic:delivery(Mandatory, Immediate, TxnKey, Message)),
+    case RoutingRes of
+        routed        -> ok;
+        unroutable    -> ok = basic_return(Message, WriterPid, no_route);
+        not_delivered -> ok = basic_return(Message, WriterPid, no_consumers)
+    end,
+    maybe_incr_stats([{ExchangeName, 1} |
+                      [{{QPid, ExchangeName}, 1} ||
+                          QPid <- DeliveredQPids]], publish, State),
+    {noreply, case TxnKey of
+                  none -> State;
+                  _    -> add_tx_participants(DeliveredQPids, State)
+              end};
+
 handle_method(#'basic.ack'{delivery_tag = DeliveryTag,
                            multiple = Multiple},
               _, State = #ch{transaction_id = TxnKey,
@@ -1116,16 +1154,18 @@ internal_deliver(WriterPid, Notify, ConsumerTag, DeliveryTag,
                  {_QName, QPid, _MsgId, Redelivered,
                   #basic_message{exchange_name = ExchangeName,
                                  routing_key = RoutingKey,
-                                 content = Content}}) ->
-    M = #'basic.deliver'{consumer_tag = ConsumerTag,
+                                 content = #content{
+                                   payload_fragments_rev = [Payload]}}}) ->
+    M = #'basic.receive'{consumer_tag = ConsumerTag,
                          delivery_tag = DeliveryTag,
                          redelivered = Redelivered,
                          exchange = ExchangeName#resource.name,
-                         routing_key = RoutingKey},
+                         routing_key = RoutingKey,
+                         content = Payload},
     ok = case Notify of
              true  -> rabbit_writer:send_command_and_notify(
-                        WriterPid, QPid, self(), M, Content);
-             false -> rabbit_writer:send_command(WriterPid, M, Content)
+                        WriterPid, QPid, self(), M);
+             false -> rabbit_writer:send_command(WriterPid, M)
          end.
 
 terminate(_State) ->
-- 
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