r11819: simplified the async rpc bind code a little.

 - removed the struct dcerpc_request_state as all the state
   information is already available on the dcerpc_pipe structure, so just
   use that

 - added a single dcerpc_recv_data() handler for receiving packets
   from the transport layer. This then does the initial decoding of
   the dcerpc packet, and then looks at the packet type in order to
   work out who to dispatch it to. This should allow in-flight async
   rpc requests to still work while a new bind or alter context is
   happening

 - ensure that if the transport indicates the connection is dead that
   any in-flight bind or alter context requests are given an error

 - removed full_request_private and instead use separate bind_private
   and alter_private pointers

 - added a few comments for some bits I found hard to understand

1 files changed, 5 insertions, 2 deletions

diff --git a/source/librpc/rpc/dcerpc.h b/source/librpc/rpc/dcerpc.h
index 85fd36f0668..a526ed5a019 100644
--- a/source/librpc/rpc/dcerpc.h
+++ b/source/librpc/rpc/dcerpc.h
@@ -75,8 +75,11 @@ struct dcerpc_connection {
 	/* Sync requests waiting to be shipped */
 	struct rpc_request *request_queue;
 
-	/* private pointer for pending full requests */
-	void *full_request_private;
+	/* private pointer for pending binds */
+	void *bind_private;
+
+	/* private pointer for pending alter context requests */
+	void *alter_private;
 
 	/* the next context_id to be assigned */
 	uint32_t next_context_id;