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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 __MAIN_CHANNEL_H__
#define __MAIN_CHANNEL_H__
#include <stdint.h>
#include <spice/vd_agent.h>
#include "common/marshaller.h"
#include "red_channel.h"
// TODO: Defines used to calculate receive buffer size, and also by reds.c
// other options: is to make a reds_main_consts.h, to duplicate defines.
#define REDS_AGENT_WINDOW_SIZE 10
#define REDS_NUM_INTERNAL_AGENT_MESSAGES 1
// approximate max receive message size for main channel
#define MAIN_CHANNEL_RECEIVE_BUF_SIZE \
(4096 + (REDS_AGENT_WINDOW_SIZE + REDS_NUM_INTERNAL_AGENT_MESSAGES) * SPICE_AGENT_MAX_DATA_SIZE)
struct RedsMigSpice {
char *host;
char *cert_subject;
int port;
int sport;
};
typedef struct RedsMigSpice RedsMigSpice;
typedef struct MainChannel {
RedChannel base;
uint8_t recv_buf[MAIN_CHANNEL_RECEIVE_BUF_SIZE];
RedsMigSpice mig_target; // TODO: add refs and release (afrer all clients completed migration in one way or the other?)
int num_clients_mig_wait;
} MainChannel;
MainChannel *main_channel_init(void);
RedClient *main_channel_get_client_by_link_id(MainChannel *main_chan, uint32_t link_id);
/* This is a 'clone' from the reds.h Channel.link callback to allow passing link_id */
MainChannelClient *main_channel_link(MainChannel *, RedClient *client,
RedsStream *stream, uint32_t link_id, int migration, int num_common_caps,
uint32_t *common_caps, int num_caps, uint32_t *caps);
void main_channel_close(MainChannel *main_chan); // not destroy, just socket close
void main_channel_push_mouse_mode(MainChannel *main_chan, int current_mode, int is_client_mouse_allowed);
void main_channel_push_agent_connected(MainChannel *main_chan);
void main_channel_push_agent_disconnected(MainChannel *main_chan);
void main_channel_client_push_agent_tokens(MainChannelClient *mcc, uint32_t num_tokens);
void main_channel_client_push_agent_data(MainChannelClient *mcc, uint8_t* data, size_t len,
spice_marshaller_item_free_func free_data, void *opaque);
void main_channel_client_start_net_test(MainChannelClient *mcc, int test_rate);
// TODO: huge. Consider making a reds_* interface for these functions
// and calling from main.
void main_channel_push_init(MainChannelClient *mcc, int display_channels_hint,
int current_mouse_mode, int is_client_mouse_allowed, int multi_media_time,
int ram_hint);
void main_channel_push_notify(MainChannel *main_chan, const char *msg);
void main_channel_client_push_notify(MainChannelClient *mcc, const char *msg);
void main_channel_push_multi_media_time(MainChannel *main_chan, int time);
int main_channel_getsockname(MainChannel *main_chan, struct sockaddr *sa, socklen_t *salen);
int main_channel_getpeername(MainChannel *main_chan, struct sockaddr *sa, socklen_t *salen);
uint32_t main_channel_client_get_link_id(MainChannelClient *mcc);
/*
* return TRUE if network test had been completed successfully.
* If FALSE, bitrate_per_sec is set to MAX_UINT64 and the roundtrip is set to 0
*/
int main_channel_client_is_network_info_initialized(MainChannelClient *mcc);
int main_channel_client_is_low_bandwidth(MainChannelClient *mcc);
uint64_t main_channel_client_get_bitrate_per_sec(MainChannelClient *mcc);
uint64_t main_channel_client_get_roundtrip_ms(MainChannelClient *mcc);
int main_channel_is_connected(MainChannel *main_chan);
RedChannelClient* main_channel_client_get_base(MainChannelClient* mcc);
/* switch host migration */
void main_channel_migrate_switch(MainChannel *main_chan, RedsMigSpice *mig_target);
/* semi seamless migration */
/* returns the number of clients that we are waiting for their connection.
* try_seamless = 'true' when the seamless-migration=on in qemu command line */
int main_channel_migrate_connect(MainChannel *main_channel, RedsMigSpice *mig_target,
int try_seamless);
void main_channel_migrate_cancel_wait(MainChannel *main_chan);
/* returns the number of clients for which SPICE_MSG_MAIN_MIGRATE_END was sent*/
int main_channel_migrate_src_complete(MainChannel *main_chan, int success);
void main_channel_migrate_dst_complete(MainChannelClient *mcc);
void main_channel_push_name(MainChannelClient *mcc, const char *name);
void main_channel_push_uuid(MainChannelClient *mcc, const uint8_t uuid[16]);
#endif
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