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/*
   Copyright (C) 2009 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 _H_REDS
#define _H_REDS

#include <stdint.h>
#include <sys/uio.h>
#include <spice/vd_agent.h>
#include <config.h>


#include "common/marshaller.h"
#include "common/messages.h"
#include "spice.h"
#include "red_channel.h"
#include "migration_protocol.h"

struct QXLState {
    QXLInterface          *qif;
    struct RedDispatcher  *dispatcher;
};

struct TunnelWorker;
struct SpiceNetWireState {
    struct TunnelWorker *worker;
};

struct SpiceMigrateState {
    int dummy;
};

/* main thread only */
void reds_handle_channel_event(int event, SpiceChannelEventInfo *info);

void reds_disable_mm_time(void);
void reds_enable_mm_time(void);
uint32_t reds_get_mm_time(void);
void reds_set_client_mouse_allowed(int is_client_mouse_allowed,
                                   int x_res, int y_res);
void reds_register_channel(RedChannel *channel);
void reds_unregister_channel(RedChannel *channel);
int reds_get_mouse_mode(void); // used by inputs_channel
int reds_get_agent_mouse(void); // used by inputs_channel
int reds_has_vdagent(void); // used by inputs channel
void reds_handle_agent_mouse_event(const VDAgentMouseState *mouse_state); // used by inputs_channel

enum {
    RED_RENDERER_INVALID,
    RED_RENDERER_SW,

    RED_RENDERER_LAST
};

extern uint32_t renderers[RED_RENDERER_LAST];
extern uint32_t num_renderers;

extern struct SpiceCoreInterface *core;
extern uint32_t streaming_video;
extern SpiceImageCompression image_compression;
extern spice_wan_compression_t jpeg_state;
extern spice_wan_compression_t zlib_glz_state;

// Temporary measures to make splitting reds.c to inputs_channel.c easier

/* should be called only from main_dispatcher */
void reds_client_disconnect(RedClient *client);

// Temporary (?) for splitting main channel
typedef struct MainMigrateData MainMigrateData;
void reds_marshall_migrate_data(SpiceMarshaller *m);
void reds_fill_channels(SpiceMsgChannels *channels_info);
int reds_num_of_channels(void);
int reds_num_of_clients(void);
#ifdef RED_STATISTICS
void reds_update_stat_value(uint32_t value);
#endif

/* callbacks from main channel messages */

void reds_on_main_agent_start(MainChannelClient *mcc, uint32_t num_tokens);
void reds_on_main_agent_tokens(MainChannelClient *mcc, uint32_t num_tokens);
uint8_t *reds_get_agent_data_buffer(MainChannelClient *mcc, size_t size);
void reds_release_agent_data_buffer(uint8_t *buf);
void reds_on_main_agent_data(MainChannelClient *mcc, void *message, size_t size);
void reds_on_main_migrate_connected(int seamless); //should be called when all the clients
                                                   // are connected to the target
int reds_handle_migrate_data(MainChannelClient *mcc,
                             SpiceMigrateDataMain *mig_data, uint32_t size);
void reds_on_main_mouse_mode_request(void *message, size_t size);
/* migration dest side: returns whether it can support seamless migration
 * with the given src migration protocol version */
int reds_on_migrate_dst_set_seamless(MainChannelClient *mcc, uint32_t src_version);
void reds_on_client_semi_seamless_migrate_complete(RedClient *client);
void reds_on_client_seamless_migrate_complete(RedClient *client);
void reds_on_main_channel_migrate(MainChannelClient *mcc);
void reds_on_char_device_state_destroy(SpiceCharDeviceState *dev);

void reds_set_client_mm_time_latency(RedClient *client, uint32_t latency);

#endif