/// <summary>
/// Starts a new SINFONI server. This server provides its configuration document under the address that is
/// provided in the constructor. When starting the server, the IDL given under the specified URL is parsed.
/// Applications that access the server on its listening port will receive the config document that contains
/// the implemented services as well as the IDL that is used by the server
/// </summary>
/// <param name="host">Host URL under which the server will be accessible</param>
/// <param name="port">Specific port on which server is listening for incoming connections</param>
/// <param name="path">Sub-Path on the server where the listener is running</param>
/// <param name="idlURI">URI from where the IDL can be accessed</param>
public SINFONIServer(string host, int port, string path, string idlURI)
{
ConfigHost = host;
ConfigPort = port;
ConfigPath = path;
WebClient webClient = new WebClient();
IdlContent = webClient.DownloadString(idlURI);
IDLParser.Instance.ParseIDL(IdlContent);
ServerConfigDocument = new Config();
ServerConfigDocument.info = "TODO";
ServerConfigDocument.idlURL = idlURI;
ServerConfigDocument.servers = new List<ServiceDescription>();
ConfigURI = "http://" + host + ":" + port + path;
if(!idlURI.Contains("http://"))
{
ServerConfigDocument.idlURL = ConfigURI + idlURI + "/";
IdlPath = path + idlURI + "/";
}
startHttpListener();
}
private ServiceDescription SelectServer(string fragment, Config config)
{
if (config.servers == null)
throw new Error(ErrorCode.INIT_ERROR, "Configuration file contains no servers.");
int serverNum = -1;
if (!Int32.TryParse(fragment, out serverNum) || serverNum < 0 || serverNum >= config.servers.Count ||
!IsServerProtocolSupported(config.servers[serverNum])) {
serverNum = config.servers.FindIndex(s => IsServerProtocolSupported(s));
}
if (serverNum == -1)
throw new Error(ErrorCode.INIT_ERROR, "Found no server with compatible protocol.");
return config.servers[serverNum];
}
/// <summary>
/// Creates a server specified in the config file retrieved from <paramref name="configURI"/>. Fragment part of
/// the <paramref name="configURI"/> may be used to select the server by its index, e.g.
/// <c>"http://www.example.org/config.json#3"</c>. If no fragment is provided, or index is invalid, first server
/// with supported protocol is chosen. For each connected client <paramref name="onNewClient"/> is called with
/// constructed Connection object.
/// </summary>
/// <remarks>
/// Note that <paramref name="onNewClient"/> may be executed on a different thread than the one you are calling
/// from, depending on the implementation of the protocol specified in the config file.
/// </remarks>
public ServiceDescription StartServer(string uri, int port, string transportName, string protocolName,
Config ServerConfig, Action<Connection> onNewClient)
{
IProtocol protocol = protocolRegistry.GetProtocol(protocolName);
ITransportConnectionFactory transportConnectionFactory = TransportRegistry.Instance
.GetTransport(transportName)
.TransportConnectionFactory;
ITransportListener transportListener = transportConnectionFactory.StartConnectionListener(uri, port);
transportListener.NewClientConnected += (object sender, NewConnectionEventArgs e) =>
{
Connection newConnection = new Connection(e.Connection, protocol);
newConnection.LoadIDL(ServerConfig);
onNewClient(newConnection);
};
var server = new ServiceDescription();
server.protocol = new ProtocolConfig
{
name = protocolName
};
server.transport = new TransportConfig
{
name = transportName,
url = transportName + "://" + uri + ":" +port
};
server.implementedServices = "*";
return server;
}
