/* coroutine context */
static void spice_channel_send_link(SpiceChannel *channel)
{
spice_channel *c = channel->priv;
uint8_t *buffer, *p;
int protocol, i;
c->link_hdr.magic = SPICE_MAGIC;
c->link_hdr.size = sizeof(c->link_msg);
g_object_get(c->session, "protocol", &protocol, NULL);
switch (protocol) {
case 1: /* protocol 1 == major 1, old 0.4 protocol, last active minor */
c->link_hdr.major_version = 1;
c->link_hdr.minor_version = 3;
c->parser = spice_get_server_channel_parser1(c->channel_type, NULL);
c->marshallers = spice_message_marshallers_get1();
break;
case SPICE_VERSION_MAJOR: /* protocol 2 == current */
c->link_hdr.major_version = SPICE_VERSION_MAJOR;
c->link_hdr.minor_version = SPICE_VERSION_MINOR;
c->parser = spice_get_server_channel_parser(c->channel_type, NULL);
c->marshallers = spice_message_marshallers_get();
break;
default:
g_critical("unknown major %d", protocol);
return;
}
c->link_msg.connection_id = c->connection_id;
c->link_msg.channel_type = c->channel_type;
c->link_msg.channel_id = c->channel_id;
c->link_msg.caps_offset = sizeof(c->link_msg);
c->link_msg.num_common_caps = c->common_caps->len;
c->link_msg.num_channel_caps = c->caps->len;
c->link_hdr.size += (c->link_msg.num_common_caps +
c->link_msg.num_channel_caps) * sizeof(uint32_t);
buffer = spice_malloc(sizeof(c->link_hdr) + c->link_hdr.size);
p = buffer;
memcpy(p, &c->link_hdr, sizeof(c->link_hdr)); p += sizeof(c->link_hdr);
memcpy(p, &c->link_msg, sizeof(c->link_msg)); p += sizeof(c->link_msg);
for (i = 0; i < c->common_caps->len; i++) {
*(uint32_t *)p = g_array_index(c->common_caps, uint32_t, i);
p += sizeof(uint32_t);
}
for (i = 0; i < c->caps->len; i++) {
*(uint32_t *)p = g_array_index(c->caps, uint32_t, i);
p += sizeof(uint32_t);
}
spice_channel_write(channel, buffer, p - buffer);
}
void RedChannel::run()
{
for (;;) {
Lock lock(_action_lock);
if (_action == WAIT_ACTION) {
_action_cond.wait(lock);
}
int action = _action;
_action = WAIT_ACTION;
lock.unlock();
switch (action) {
case CONNECT_ACTION:
try {
get_client().get_sync_info(get_type(), get_id(), _sync_info);
on_connecting();
set_state(CONNECTING_STATE);
ConnectionOptions con_options(_client.get_connection_options(get_type()),
_client.get_port(),
_client.get_sport(),
_client.get_protocol(),
_client.get_host_auth_options(),
_client.get_connection_ciphers());
RedChannelBase::connect(con_options, _client.get_connection_id(),
_client.get_host().c_str(),
_client.get_password().c_str());
/* If automatic protocol, remember the first connect protocol type */
if (_client.get_protocol() == 0) {
if (get_peer_major() == 1) {
_client.set_protocol(1);
} else {
/* Major is 2 or unstable high value, use 2 */
_client.set_protocol(2);
}
}
/* Initialize when we know the remote major version */
if (_client.get_peer_major() == 1) {
_marshallers = spice_message_marshallers_get1();
} else {
_marshallers = spice_message_marshallers_get();
}
on_connect();
set_state(CONNECTED_STATE);
_loop.add_socket(*this);
_socket_in_loop = true;
on_event();
_loop.run();
} catch (RedPeer::DisconnectedException&) {
_error = SPICEC_ERROR_CODE_SUCCESS;
} catch (Exception& e) {
LOG_WARN("%s", e.what());
_error = e.get_error_code();
} catch (std::exception& e) {
LOG_WARN("%s", e.what());
_error = SPICEC_ERROR_CODE_ERROR;
}
if (_socket_in_loop) {
_socket_in_loop = false;
_loop.remove_socket(*this);
}
if (_outgoing_message) {
_outgoing_message->release();
_outgoing_message = NULL;
}
_incomming_header_pos = 0;
if (_incomming_message) {
_incomming_message->unref();
_incomming_message = NULL;
}
case DISCONNECT_ACTION:
close();
on_disconnect();
set_state(DISCONNECTED_STATE);
_client.on_channel_disconnected(*this);
continue;
case QUIT_ACTION:
set_state(TERMINATED_STATE);
return;
}
}
}
