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Diffstat (limited to 'src/owned.hpp')
-rw-r--r-- | src/owned.hpp | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/src/owned.hpp b/src/owned.hpp deleted file mode 100644 index 80cf42f..0000000 --- a/src/owned.hpp +++ /dev/null @@ -1,94 +0,0 @@ -/* - Copyright (c) 2007-2010 iMatix Corporation - - 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 <http://www.gnu.org/licenses/>. -*/ - -#ifndef __ZMQ_OWNED_HPP_INCLUDED__ -#define __ZMQ_OWNED_HPP_INCLUDED__ - -#include "socket_base.hpp" -#include "atomic_counter.hpp" -#include "stdint.hpp" - -namespace zmq -{ - - // Base class for objects owned by individual sockets. Handles - // initialisation and destruction of such objects. - - class owned_t : public object_t - { - public: - - // The object will live in parent's thread, however, its lifetime - // will be managed by its owner socket. - owned_t (object_t *parent_, socket_base_t *owner_); - - // When another owned object wants to send command to this object - // it calls this function to let it know it should not shut down - // before the command is delivered. - void inc_seqnum (); - - protected: - - // A mechanism allowing derived owned objects to postpone the - // termination process. Default implementation defines no such delay. - // Note that the derived object has to call finalise method when the - // delay is over. - virtual bool is_terminable (); - void finalise (); - - // Ask owner socket to terminate this object. - void term (); - - // Derived object destroys owned_t. No point in allowing others to - // invoke the destructor. At the same time, it has to be virtual so - // that generic owned_t deallocation mechanism destroys specific type - // of the owned object correctly. - virtual ~owned_t (); - - // io_object_t defines a new handler used to disconnect the object - // from the poller object. Implement the handlen in the derived - // classes to ensure sane cleanup. - virtual void process_unplug () = 0; - - // Socket owning this object. When the socket is being closed it's - // responsible for shutting down this object. - socket_base_t *owner; - - private: - - // Handlers for incoming commands. - void process_term (); - void process_seqnum (); - - // Sequence number of the last command sent to this object. - atomic_counter_t sent_seqnum; - - // Sequence number of the last command processed by this object. - uint64_t processed_seqnum; - - // If true, the object is already shutting down. - bool shutting_down; - - owned_t (const owned_t&); - void operator = (const owned_t&); - }; - -} - -#endif |