static void spicevmc_red_channel_client_on_disconnect(RedChannelClient *rcc)
{
SpiceVmcState *state;
SpiceCharDeviceInstance *sin;
SpiceCharDeviceInterface *sif;
if (!rcc) {
return;
}
state = SPICE_CONTAINEROF(rcc->channel, SpiceVmcState, channel);
sin = state->chardev_sin;
sif = SPICE_CONTAINEROF(sin->base.sif, SpiceCharDeviceInterface, base);
if (state->chardev_st) {
if (spice_char_device_client_exists(state->chardev_st, rcc->client)) {
spice_char_device_client_remove(state->chardev_st, rcc->client);
} else {
spice_printerr("client %p have already been removed from char dev %p",
rcc->client, state->chardev_st);
}
}
/* Don't destroy the rcc if it is already being destroyed, as then
red_client_destroy/red_channel_client_destroy will already do this! */
if (!rcc->destroying)
red_channel_client_destroy(rcc);
state->rcc = NULL;
if (sif->state) {
sif->state(sin, 0);
}
}
static void spicevmc_connect(RedChannel *channel, RedClient *client,
RedsStream *stream, int migration, int num_common_caps,
uint32_t *common_caps, int num_caps, uint32_t *caps)
{
RedChannelClient *rcc;
SpiceVmcState *state;
SpiceCharDeviceInstance *sin;
SpiceCharDeviceInterface *sif;
state = SPICE_CONTAINEROF(channel, SpiceVmcState, channel);
sin = state->chardev_sin;
sif = SPICE_CONTAINEROF(sin->base.sif, SpiceCharDeviceInterface, base);
if (state->rcc) {
spice_printerr("channel client %d:%d (%p) already connected, refusing second connection",
channel->type, channel->id, state->rcc);
// TODO: notify client in advance about the in use channel using
// SPICE_MSG_MAIN_CHANNEL_IN_USE (for example)
reds_stream_free(stream);
return;
}
rcc = red_channel_client_create(sizeof(RedChannelClient), channel, client, stream,
FALSE,
num_common_caps, common_caps,
num_caps, caps);
if (!rcc) {
return;
}
state->rcc = rcc;
red_channel_client_ack_zero_messages_window(rcc);
if (strcmp(sin->subtype, "port") == 0) {
spicevmc_port_send_init(rcc);
}
if (!spice_char_device_client_add(state->chardev_st, client, FALSE, 0, ~0, ~0,
red_channel_client_waits_for_migrate_data(rcc))) {
spice_warning("failed to add client to spicevmc");
red_channel_client_disconnect(rcc);
return;
}
if (sif->state) {
sif->state(sin, 1);
}
}