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// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
#ifndef INCLUDED_LIBGRAS_IMPL_BLOCK_ACTOR_HPP
#define INCLUDED_LIBGRAS_IMPL_BLOCK_ACTOR_HPP
#include <gras_impl/debug.hpp>
#include <gras/block.hpp>
#include <gras/top_block.hpp>
#include <gras/thread_pool.hpp>
#include <Apology/Worker.hpp>
#include <gras_impl/messages.hpp>
#include <gras_impl/block_data.hpp>
namespace gras
{
struct BlockActor : Theron::Actor
{
static BlockActor *make(const ThreadPool &tp = ThreadPool());
BlockActor(const ThreadPool &tp);
~BlockActor(void);
std::string name; //for debug
ThreadPool thread_pool;
Token prio_token;
boost::shared_ptr<BlockData> data;
Apology::Worker *worker;
//do it here so we can match w/ the handler declarations
void register_handlers(void)
{
this->RegisterHandler(this, &BlockActor::handle_topology);
this->RegisterHandler(this, &BlockActor::handle_top_alloc);
this->RegisterHandler(this, &BlockActor::handle_top_active);
this->RegisterHandler(this, &BlockActor::handle_top_inert);
this->RegisterHandler(this, &BlockActor::handle_top_token);
this->RegisterHandler(this, &BlockActor::handle_top_config);
this->RegisterHandler(this, &BlockActor::handle_top_thread_group);
this->RegisterHandler(this, &BlockActor::handle_input_tag);
this->RegisterHandler(this, &BlockActor::handle_input_msg);
this->RegisterHandler(this, &BlockActor::handle_input_buffer);
this->RegisterHandler(this, &BlockActor::handle_input_token);
this->RegisterHandler(this, &BlockActor::handle_input_check);
this->RegisterHandler(this, &BlockActor::handle_input_alloc);
this->RegisterHandler(this, &BlockActor::handle_input_update);
this->RegisterHandler(this, &BlockActor::handle_output_buffer);
this->RegisterHandler(this, &BlockActor::handle_output_token);
this->RegisterHandler(this, &BlockActor::handle_output_check);
this->RegisterHandler(this, &BlockActor::handle_output_hint);
this->RegisterHandler(this, &BlockActor::handle_output_alloc);
this->RegisterHandler(this, &BlockActor::handle_output_update);
this->RegisterHandler(this, &BlockActor::handle_prop_access);
this->RegisterHandler(this, &BlockActor::handle_self_kick);
this->RegisterHandler(this, &BlockActor::handle_get_stats);
}
//handlers
void handle_topology(const Apology::WorkerTopologyMessage &, const Theron::Address);
void handle_top_alloc(const TopAllocMessage &, const Theron::Address);
void handle_top_active(const TopActiveMessage &, const Theron::Address);
void handle_top_inert(const TopInertMessage &, const Theron::Address);
void handle_top_token(const TopTokenMessage &, const Theron::Address);
void handle_top_config(const GlobalBlockConfig &, const Theron::Address);
void handle_top_thread_group(const SharedThreadGroup &, const Theron::Address);
void handle_input_tag(const InputTagMessage &, const Theron::Address);
void handle_input_msg(const InputMsgMessage &, const Theron::Address);
void handle_input_buffer(const InputBufferMessage &, const Theron::Address);
void handle_input_token(const InputTokenMessage &, const Theron::Address);
void handle_input_check(const InputCheckMessage &, const Theron::Address);
void handle_input_alloc(const InputAllocMessage &, const Theron::Address);
void handle_input_update(const InputUpdateMessage &, const Theron::Address);
void handle_output_buffer(const OutputBufferMessage &, const Theron::Address);
void handle_output_token(const OutputTokenMessage &, const Theron::Address);
void handle_output_check(const OutputCheckMessage &, const Theron::Address);
void handle_output_hint(const OutputHintMessage &, const Theron::Address);
void handle_output_alloc(const OutputAllocMessage &, const Theron::Address);
void handle_output_update(const OutputUpdateMessage &, const Theron::Address);
void handle_prop_access(const PropAccessMessage &, const Theron::Address);
void handle_self_kick(const SelfKickMessage &, const Theron::Address);
void handle_get_stats(const GetStatsMessage &, const Theron::Address);
//helpers
void mark_done(void);
void task_main(void);
void input_fail(const size_t index);
void output_fail(const size_t index);
void produce(const size_t index, const size_t items);
void consume(const size_t index, const size_t items);
void task_kicker(void);
void update_input_avail(const size_t index);
bool is_work_allowed(void);
//work helpers
inline void task_work(void)
{
data->block->work(data->input_items, data->output_items);
}
};
//-------------- common functions from this BlockActor class ---------//
GRAS_FORCE_INLINE void BlockActor::task_kicker(void)
{
if (this->is_work_allowed()) this->Send(SelfKickMessage(), this->GetAddress());
}
GRAS_FORCE_INLINE void BlockActor::update_input_avail(const size_t i)
{
const bool has_input_bufs = not data->input_queues.empty(i) and data->input_queues.ready(i);
const bool has_input_msgs = not data->input_msgs[i].empty();
data->inputs_available.set(i, has_input_bufs or has_input_msgs);
data->input_queues.update_has_msg(i, has_input_msgs);
}
GRAS_FORCE_INLINE bool BlockActor::is_work_allowed(void)
{
return (
this->prio_token.unique() and
data->block_state == BLOCK_STATE_LIVE and
data->inputs_available.any() and
data->input_queues.all_ready() and
data->output_queues.all_ready()
);
}
} //namespace gras
#endif /*INCLUDED_LIBGRAS_IMPL_BLOCK_ACTOR_HPP*/
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