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https://gitlab.uni-freiburg.de/opensourcevdi/spice
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fe9ad0d5ba
Most code uses now red::shared_ptr Signed-off-by: Frediano Ziglio <freddy77@gmail.com> Acked-by: Julien Ropé <jrope@gmail.com>
84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2016 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file red-pipe-item.h
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* Generic declaration for objects contained in RedChannelClient pipe.
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*/
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#ifndef RED_PIPE_ITEM_H_
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#define RED_PIPE_ITEM_H_
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#include "red-common.h"
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#include "utils.hpp"
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#include "push-visibility.h"
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/**
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* Base class for objects contained in RedChannelClient pipe
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*/
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struct RedPipeItem: public red::shared_ptr_counted
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{
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SPICE_CXX_GLIB_ALLOCATOR
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void *operator new(size_t len, void *p)
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{
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return p;
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}
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/**
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* Allows to allocate a pipe item with additional space at the end.
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*
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* Used with structures like
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* @code{.cpp}
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* struct NameItem: public RedPipeItem {
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* ...
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* char name[];
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* }
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* ...
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* auto name_item = red::shared_ptr<NameItem>(new (6) NameItem(...));
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* strcpy(name_item->name, "hello");
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* @endcode
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*/
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void *operator new(size_t size, size_t additional)
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{
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return g_malloc(size + additional);
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}
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RedPipeItem(int type);
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const int type;
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void add_to_marshaller(SpiceMarshaller *m, uint8_t *data, size_t size);
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};
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typedef red::shared_ptr<RedPipeItem> RedPipeItemPtr;
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/* Most of the time the type is constant and we just add fields,
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* make it easier to initialize just with declaration
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*/
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template <int initial_type>
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struct RedPipeItemNum: public RedPipeItem
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{
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RedPipeItemNum():
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RedPipeItem(initial_type)
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{
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}
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};
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#include "pop-visibility.h"
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#endif /* RED_PIPE_ITEM_H_ */
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