gras: use inline queue for post output buffer

* simplifies logic
* fixes bug #103

An assertion fires if multiple post output buffers are used per work().
This could be fixed in the future if its truely needed.

2 files changed, 7 insertions, 10 deletions

diff --git a/lib/block_produce.cpp b/lib/block_produce.cpp
index 8ffd9bf..4dde43e 100644
--- a/lib/block_produce.cpp
+++ b/lib/block_produce.cpp
@@ -40,17 +40,13 @@ void Block::pop_output_buffer(const size_t which_output, const size_t num_bytes)
     (*this)->block_data->output_queues.front(which_output).length = num_bytes;
 }
 
-void Block::post_output_buffer(const size_t which_output, const SBuffer &buffer)
+void Block::post_output_buffer(const size_t i, const SBuffer &buffer)
 {
-    boost::shared_ptr<BlockData> &data = (*this)->block_data;
-    data->output_queues.consume(which_output);
-    ASSERT((buffer.length % data->output_configs[which_output].item_size) == 0);
-    const size_t items = buffer.length/data->output_configs[which_output].item_size;
-    data->stats.items_produced[which_output] += items;
-    InputBufferMessage buff_msg;
-    buff_msg.buffer = buffer;
-    (*this)->worker->post_downstream(which_output, buff_msg);
-    data->num_output_items_read[which_output] += items;
+    (*this)->block_data->output_queues.set_inline(i, buffer);
+    const size_t item_size = (*this)->block_data->output_configs[i].item_size;
+    ASSERT((buffer.length % item_size) == 0);
+    const size_t items = buffer.length/item_size;
+    this->produce(i, items);
 }
 
 GRAS_FORCE_INLINE void BlockActor::produce(const size_t i, const size_t items)
diff --git a/lib/gras_impl/output_buffer_queues.hpp b/lib/gras_impl/output_buffer_queues.hpp
index 540a5c2..a5895b0 100644
--- a/lib/gras_impl/output_buffer_queues.hpp
+++ b/lib/gras_impl/output_buffer_queues.hpp
@@ -142,6 +142,7 @@ struct OutputBufferQueues
 
     GRAS_FORCE_INLINE void set_inline(const size_t i, const SBuffer &inline_buffer)
     {
+        ASSERT(not _inline_buffer[i]);
         _inline_buffer[i] = inline_buffer;
         _inline_buffer[i].length = 0;
         _bitset.set(i);