1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*
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 "reds.h"
#include "red_channel.h"
/* This is a temporary measure for reds/main split - should not be in a header,
* but private (although only reds.c includes main_channel.h) */
struct MainMigrateData {
uint32_t version;
uint32_t serial;
uint32_t ping_id;
uint32_t agent_connected;
uint32_t client_agent_started;
uint32_t num_client_tokens;
uint32_t send_tokens;
uint32_t read_state;
VDIChunkHeader vdi_chunk_header;
uint32_t recive_len;
uint32_t message_recive_len;
uint32_t read_buf_len;
uint32_t write_queue_size;
};
// 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 RECEIVE_BUF_SIZE \
(4096 + (REDS_AGENT_WINDOW_SIZE + REDS_NUM_INTERNAL_AGENT_MESSAGES) * SPICE_AGENT_MAX_DATA_SIZE)
typedef struct MainChannel {
RedChannel base;
uint8_t recv_buf[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);
// 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, uint8_t *mess, const int mess_len);
void main_channel_push_migrate(MainChannel *main_chan);
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);
int main_channel_client_is_low_bandwidth(MainChannelClient *mcc);
uint64_t main_channel_client_get_bitrate_per_sec(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
|
