private BaseGraph OpenPhysicalGraph(StreamSourceInfo sourceConfig)
{
BaseGraph returnedGraph = null;
AppLogger.Message(String.Format("OpenPhysicalGraph {0}", sourceConfig.SourceName));
// CheckSecurity(sourceConfig, openGraphRequest);
try
{
if (GraphManager.ShutdownInProgress)
{
throw new Exception("OpenGraph is disabled--the media server is shutting down.");
}
try
{
lock (GraphManager.GraphMap)
{
AppLogger.Message(" Try to fetch existing graph");
returnedGraph = GraphManager.GraphMap[sourceConfig.SourceName];
}
}
catch
{
lock (GraphManager.GraphMap)
{
AppLogger.Message(" Constructing new graph...");
returnedGraph = BaseGraph.CreateInstance(sourceConfig, this.OpenGraphRequest);
GraphManager.GraphMap[sourceConfig.SourceName] = returnedGraph;
}
}
}
catch (Exception exception)
{
AppLogger.Message(String.Format("Unable to OpenGraph {0}", exception.Message));
throw new Exception("Unable to OpenGraph because " + exception.Message, exception);
}
if (returnedGraph.NumberOfClients >= sourceConfig.MaxClients)
{
string message = "Connect aborted - the maximum number of clients has been reached." + Environment.NewLine;
message += "Source was " + sourceConfig.SourceName + Environment.NewLine;
message += "Current connected users:" + Environment.NewLine;
foreach (string username in returnedGraph.ClientList)
{
message += username + Environment.NewLine;
}
throw new SourceHasMaxClientsException(message);
}
return(returnedGraph);
}
public static void StartPushGraphs()
{
try
{
StreamSources streamSources = StreamSources.LoadFromFile(false);
StartSources startSources = StartSources.LoadFromFile(false);
if ((streamSources != null) && (startSources != null))
{
foreach (StartSource startSource in startSources.Items)
{
StreamSourceInfo streamSourceInfo = streamSources.FindSource(startSource.SourceName);
if (streamSourceInfo != null)
{
AppLogger.Message(String.Format("Starting source {0}", streamSourceInfo.SourceName));
if (streamSourceInfo.DeviceAddress != null)
{
AppLogger.Message(String.Format("Starting Channel={0} Input={1}", streamSourceInfo.DeviceAddress.Channel, streamSourceInfo.DeviceAddress.Input));
}
OpenGraphRequest openGraphRequest = new OpenGraphRequest();
openGraphRequest.Id = Guid.NewGuid();
openGraphRequest.SourceName = streamSourceInfo.SourceName;
openGraphRequest.UserName = "******";
BaseGraph graph = BaseGraph.CreateInstance(streamSourceInfo, openGraphRequest);
graph.Run();
if (graph != null)
{
_graphMap.Add(streamSourceInfo.SourceName, graph);
}
}
}
}
}
catch (Exception e)
{
AppLogger.Dump(e);
}
}
public static void StartGraph(string sourceName)
{
if (_graphMap.ContainsKey(sourceName) == false)
{
StreamSources streamSources = StreamSources.LoadFromFile(false);
if (streamSources != null)
{
StreamSourceInfo streamSourceInfo = streamSources.FindSource(sourceName);
if (streamSourceInfo != null)
{
OpenGraphRequest openGraphRequest = new OpenGraphRequest();
openGraphRequest.Id = Guid.NewGuid();
openGraphRequest.SourceName = streamSourceInfo.SourceName;
openGraphRequest.UserName = "******";
BaseGraph graph = BaseGraph.CreateInstance(streamSourceInfo, openGraphRequest);
graph.Run();
if (graph != null)
{
_graphMap.Add(streamSourceInfo.SourceName, graph);
}
}
}
}
}
