mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
synced 2025-12-26 22:48:19 +00:00
97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
/*
|
|
Copyright (C) 2009-2015 Red Hat, Inc.
|
|
|
|
This library 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 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library 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 this library; if not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
#ifndef RED_CLIENT_H_
|
|
#define RED_CLIENT_H_
|
|
|
|
#include "main-channel-client.h"
|
|
#include "safe-list.hpp"
|
|
|
|
#include "push-visibility.h"
|
|
|
|
RedClient *red_client_new(RedsState *reds, int migrated);
|
|
|
|
class RedClient final
|
|
{
|
|
public:
|
|
SPICE_CXX_GLIB_ALLOCATOR
|
|
|
|
RedClient(RedsState *reds, bool migrated);
|
|
protected:
|
|
~RedClient();
|
|
|
|
public:
|
|
void ref() { g_atomic_int_inc(&_ref); }
|
|
void unref() { if (g_atomic_int_dec_and_test(&_ref)) delete this; }
|
|
|
|
/*
|
|
* disconnects all the client's channels (should be called from the client's thread)
|
|
*/
|
|
void destroy();
|
|
|
|
gboolean add_channel(RedChannelClient *rcc, char **error);
|
|
static void remove_channel(RedChannelClient *rcc);
|
|
|
|
MainChannelClient *get_main();
|
|
|
|
/* called when the migration handshake results in seamless migration (dst side).
|
|
* By default we assume semi-seamless */
|
|
void set_migration_seamless();
|
|
void semi_seamless_migrate_complete(); /* dst side */
|
|
gboolean seamless_migration_done_for_channel();
|
|
/* TRUE if the migration is seamless and there are still channels that wait from migration data.
|
|
* Or, during semi-seamless migration, and the main channel still waits for MIGRATE_END
|
|
* from the client.
|
|
* Note: Call it only from the main thread */
|
|
int during_migrate_at_target();
|
|
|
|
void migrate();
|
|
|
|
gboolean is_disconnecting();
|
|
void set_disconnecting();
|
|
RedsState* get_server();
|
|
|
|
private:
|
|
RedChannelClient *get_channel(int type, int id);
|
|
|
|
RedsState *const reds;
|
|
red::safe_list<red::shared_ptr<RedChannelClient>> channels;
|
|
red::shared_ptr<MainChannelClient> mcc;
|
|
pthread_mutex_t lock; // different channels can be in different threads
|
|
|
|
pthread_t thread_id;
|
|
|
|
int disconnecting;
|
|
/* Note that while semi-seamless migration is conducted by the main thread, seamless migration
|
|
* involves all channels, and thus the related variables can be accessed from different
|
|
* threads */
|
|
/* if seamless=TRUE, migration_target is turned off when all
|
|
* the clients received their migration data. Otherwise (semi-seamless),
|
|
* it is turned off, when red_client_semi_seamless_migrate_complete
|
|
* is called */
|
|
int during_target_migrate;
|
|
int seamless_migrate;
|
|
int num_migrated_channels; /* for seamless - number of channels that wait for migrate data*/
|
|
|
|
gint _ref = 1;
|
|
};
|
|
|
|
#include "pop-visibility.h"
|
|
|
|
#endif /* RED_CLIENT_H_ */
|