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Diffstat (limited to 'server/main-channel.h')
-rw-r--r-- | server/main-channel.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/server/main-channel.h b/server/main-channel.h new file mode 100644 index 00000000..fab383a1 --- /dev/null +++ b/server/main-channel.h @@ -0,0 +1,103 @@ +/* + 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_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); + +/* + * 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 |