From 4ed70a930202b103e7e80b8dc925e0aaa4622595 Mon Sep 17 00:00:00 2001 From: Martin Sustrik Date: Wed, 29 Jul 2009 12:07:54 +0200 Subject: initial commit --- src/object.hpp | 105 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 src/object.hpp (limited to 'src/object.hpp') diff --git a/src/object.hpp b/src/object.hpp new file mode 100644 index 0000000..a4f93ae --- /dev/null +++ b/src/object.hpp @@ -0,0 +1,105 @@ +/* + Copyright (c) 2007-2009 FastMQ Inc. + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the Lesser GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + 0MQ 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 + Lesser GNU General Public License for more details. + + You should have received a copy of the Lesser GNU General Public License + along with this program. If not, see . +*/ + +#ifndef __ZS_OBJECT_HPP_INCLUDED__ +#define __ZS_OBJECT_HPP_INCLUDED__ + +#include "stdint.hpp" + +namespace zs +{ + + // Base class for all objects that participate in inter-thread + // communication. + + class object_t + { + public: + + object_t (class dispatcher_t *dispatcher_, int thread_slot_); + object_t (object_t *parent_); + ~object_t (); + + int get_thread_slot (); + void process_command (struct command_t &cmd_); + + protected: + + // Derived object can use following functions to interact with + // global repositories. See dispatcher.hpp for function details. + int thread_slot_count (); + void create_pipe (class object_t *reader_parent_, + class object_t *writer_parent_, uint64_t hwm_, uint64_t lwm_, + class pipe_reader_t **reader_, class pipe_writer_t **writer_); + void destroy_pipe (class pipe_t *pipe_); + int register_inproc_endpoint (const char *endpoint_, + class session_t *session_); + class object_t *get_inproc_endpoint (const char *endpoint_); + void unregister_inproc_endpoints (class session_t *session_); + class io_thread_t *choose_io_thread (uint64_t taskset_); + + // Derived object can use these functions to send commands + // to other objects. + void send_stop (); + void send_bind (object_t *destination_, class pipe_reader_t *reader_, + class session_t *peer_); + void send_head (object_t *destination_, uint64_t bytes_); + void send_tail (object_t *destination_, uint64_t bytes_); + void send_reg (object_t *destination_, + class simple_semaphore_t *smph_); + void send_reg_and_bind (object_t *destination_, class session_t *peer_, + bool flow_in_, bool flow_out_); + void send_unreg (object_t *destination_, + class simple_semaphore_t *smph_); + void send_engine (object_t *destination_, struct i_engine *engine_); + void send_terminate (object_t *destination_); + void send_terminate_ack (object_t *destination_); + + // These handlers can be overloaded by the derived objects. They are + // called when command arrives from another thread. + virtual void process_stop (); + virtual void process_bind (class pipe_reader_t *reader_, + class session_t *peer_); + virtual void process_head (uint64_t bytes_); + virtual void process_tail (uint64_t bytes_); + virtual void process_reg (class simple_semaphore_t *smph_); + virtual void process_reg_and_bind (class session_t *peer_, + bool flow_in_, bool flow_out_); + virtual void process_unreg (class simple_semaphore_t *smph_); + virtual void process_engine (struct i_engine *engine_); + virtual void process_terminate (); + virtual void process_terminate_ack (); + + // Pointer to the root of the infrastructure. + class dispatcher_t *dispatcher; + + // Slot ID of the thread the object belongs to. + int thread_slot; + + private: + + void send_command (command_t &cmd_); + + object_t (const object_t&); + void operator = (const object_t&); + }; + +} + +#endif -- cgit v1.2.3