void CStateTable::remove( const CNode &node )
{
/* remove self from path map */
const string &path = node.get_path();
if( m_nodes.count( path ) != 1 )
{
INTEGRA_TRACE_ERROR << "missing key in state table: " << path;
}
else
{
m_nodes.erase( path );
}
/* remove self from id map */
internal_id id = node.get_id();
if( m_nodes_by_id.count( id ) != 1 )
{
INTEGRA_TRACE_ERROR << "missing key in state table: " << id;
}
else
{
m_nodes_by_id.erase( id );
}
/* remove node endpoints */
const node_endpoint_map node_endpoints = node.get_node_endpoints();
for( node_endpoint_map::const_iterator i = node_endpoints.begin(); i != node_endpoints.end(); i++ )
{
const INodeEndpoint *node_endpoint = i->second;
const string &path = node_endpoint->get_path();
if( m_node_endpoints.count( path ) != 1 )
{
INTEGRA_TRACE_ERROR << "missing key in state table: " << path;
}
else
{
m_node_endpoints.erase( path );
}
}
/* remove child nodes */
const node_map &children = node.get_children();
for( node_map::const_iterator i = children.begin(); i != children.end(); i++ )
{
remove( *CNode::downcast_writable( i->second ) );
}
}
void CStateTable::add( CNode &node )
{
/* add self to path map */
const string &path = node.get_path();
if( m_nodes.count( path ) > 0 )
{
INTEGRA_TRACE_ERROR << "duplicate key in state table: " << path;
}
else
{
m_nodes[ path ] = &node;
}
/* add self to id map */
internal_id id = node.get_id();
if( m_nodes_by_id.count( id ) > 0 )
{
INTEGRA_TRACE_ERROR << "duplicate key in state table: " << id;
}
else
{
m_nodes_by_id[ id ] = &node;
}
/* add node endpoints */
node_endpoint_map node_endpoints = node.get_node_endpoints_writable();
for( node_endpoint_map::const_iterator i = node_endpoints.begin(); i != node_endpoints.end(); i++ )
{
INodeEndpoint *node_endpoint = i->second;
const string &path = node_endpoint->get_path();
if( m_node_endpoints.count( path ) > 0 )
{
INTEGRA_TRACE_ERROR << "duplicate key in state table: " << path;
}
else
{
m_node_endpoints[ path ] = node_endpoint;
}
}
/* add child nodes */
node_map &children = node.get_children_writable();
for( node_map::iterator i = children.begin(); i != children.end(); i++ )
{
add( *CNode::downcast_writable( i->second ) );
}
}
void CPlayerHandler::handle_path_change( const CNode &player_node )
{
pthread_mutex_lock( &m_mutex );
player_state_map::iterator lookup = m_player_states.find( player_node.get_id() );
if( lookup != m_player_states.end() )
{
CPlayerState *player_state = lookup->second;
player_state->m_tick_path = player_node.get_path();
player_state->m_tick_path.append_element( CPlayerLogic::endpoint_tick );
player_state->m_play_path = player_node.get_path();
player_state->m_play_path.append_element( CPlayerLogic::endpoint_play );
}
pthread_mutex_unlock( &m_mutex );
}
void CPlayerHandler::handle_delete( const CNode &player_node )
{
stop_player( player_node.get_id() );
}
void CPlayerHandler::update( const CNode &player_node )
{
const INodeEndpoint *play_endpoint = player_node.get_node_endpoint( CPlayerLogic::endpoint_play );
const INodeEndpoint *active_endpoint = player_node.get_node_endpoint( CPlayerLogic::endpoint_active );
const INodeEndpoint *tick_endpoint = player_node.get_node_endpoint( CPlayerLogic::endpoint_tick );
assert( play_endpoint && active_endpoint && tick_endpoint );
int play_value = *play_endpoint->get_value();
int active_value = *active_endpoint->get_value();
if( play_value == 0 || active_value == 0 )
{
stop_player( player_node.get_id() );
return;
}
/*
lookup player attributes
*/
const INodeEndpoint *rate_endpoint = player_node.get_node_endpoint( CPlayerLogic::endpoint_rate );
const INodeEndpoint *loop_endpoint = player_node.get_node_endpoint( CPlayerLogic::endpoint_loop );
const INodeEndpoint *start_endpoint = player_node.get_node_endpoint( CPlayerLogic::endpoint_start );
const INodeEndpoint *end_endpoint = player_node.get_node_endpoint( CPlayerLogic::endpoint_end );
assert( rate_endpoint && loop_endpoint && start_endpoint && end_endpoint );
pthread_mutex_lock( &m_mutex );
/*
see if the player is already playing
*/
CPlayerState *player_state = NULL;
internal_id player_id = player_node.get_id();
player_state_map::iterator lookup = m_player_states.find( player_id );
if( lookup == m_player_states.end() )
{
/* create new player if not already playing */
player_state = new CPlayerState;
player_state->m_id = player_id;
m_player_states[ player_id ] = player_state;
}
else
{
/*this player is already playing - update it*/
player_state = lookup->second;
}
/* recreate paths, in case they have changed */
player_state->m_tick_path = player_node.get_path();
player_state->m_tick_path.append_element( CPlayerLogic::endpoint_tick );
player_state->m_play_path = player_node.get_path();
player_state->m_play_path.append_element( CPlayerLogic::endpoint_play );
/*
setup all other player state fields
*/
player_state->m_initial_ticks = *tick_endpoint->get_value();
player_state->m_previous_ticks = player_state->m_initial_ticks;
player_state->m_rate = *rate_endpoint->get_value();
player_state->m_start_msecs = get_current_msecs();
int loop_value = *loop_endpoint->get_value();
player_state->m_loop = ( loop_value != 0 );
player_state->m_loop_start_ticks = *start_endpoint->get_value();
player_state->m_loop_end_ticks = *end_endpoint->get_value();
pthread_mutex_unlock( &m_mutex );
}