1 files changed, 75 insertions, 0 deletions
diff --git a/lib/input_handlers.cpp b/lib/input_handlers.cpp
new file mode 100644
index 0000000..d2d12d5
--- /dev/null
+++ b/lib/input_handlers.cpp
@@ -0,0 +1,75 @@
+//
+// Copyright 2012 Josh Blum
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with io_sig program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include <gras_impl/block_actor.hpp>
+#include <boost/foreach.hpp>
+
+using namespace gnuradio;
+
+void BlockActor::handle_input_tag(const InputTagMessage &message, const Theron::Address)
+{
+    MESSAGE_TRACER();
+    const size_t index = message.index;
+
+    //handle incoming stream tag, push into the tag storage
+    this->input_tags[index].push_back(message.tag);
+    this->input_tags_changed[index] = true;
+}
+
+void BlockActor::handle_input_buffer(const InputBufferMessage &message, const Theron::Address)
+{
+    MESSAGE_TRACER();
+    const size_t index = message.index;
+
+    //handle incoming stream buffer, push into the queue
+    if (this->block_state == BLOCK_STATE_DONE) return;
+    this->input_queues.push(index, message.buffer);
+    this->handle_task();
+}
+
+void BlockActor::handle_input_token(const InputTokenMessage &message, const Theron::Address)
+{
+    MESSAGE_TRACER();
+    //const size_t index = message.index;
+
+    //store the token of the upstream producer
+    this->token_pool.insert(message.token);
+}
+
+void BlockActor::handle_input_check(const InputCheckMessage &message, const Theron::Address)
+{
+    MESSAGE_TRACER();
+    const size_t index = message.index;
+
+    //an upstream block declared itself done, recheck the token
+    if (this->input_queues.empty(index) and this->input_tokens[index].unique())
+    {
+        this->mark_done();
+    }
+}
+
+void BlockActor::handle_input_alloc(const InputAllocMessage &message, const Theron::Address)
+{
+    MESSAGE_TRACER();
+    const size_t index = message.index;
+
+    //handle the upstream block allocation request
+    OutputAllocMessage new_msg;
+    new_msg.token = block_ptr->input_buffer_allocator(
+        index, message.token, message.recommend_length
+    );
+    if (new_msg.token) this->post_upstream(index, new_msg);
+}