Attempt to track requests better. New requests need to be flagged as such. Still trying to chase tunnel instability.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4412 ed5197a5-7fde-0310-b194-c3ffbd925b24

src/ssb.h

@@ -15,6 +15,11 @@ enum
 
 	k_ssb_rpc_flag_end_error = 0x4,
 	k_ssb_rpc_flag_stream = 0x8,
+	k_ssb_rpc_mask_message = 0xC,
+
+	k_ssb_rpc_mask_send = 0xf,
+
+	k_ssb_rpc_flag_new_request = 0x10,
 
 	k_ssb_blob_bytes_max = 5 * 1024 * 1024,
 };