internal async Task <DacpResponse> SendRequestAsync(string uri, CancellationToken cancellationToken)
{
_log.Info("Sending request for: " + uri);
Task <HttpResponseMessage> task;
lock (_httpClient)
task = _httpClient.GetAsync(new Uri(HttpPrefix + uri)).AsTask(cancellationToken);
HttpResponseMessage response = await task.ConfigureAwait(false);
if (!response.IsSuccessStatusCode)
{
throw new DacpRequestException(response);
}
var buffer = await response.Content.ReadAsBufferAsync().AsTask(cancellationToken).ConfigureAwait(false);
var reader = DataReader.FromBuffer(buffer);
byte[] data = new byte[reader.UnconsumedBufferLength];
reader.ReadBytes(data);
_log.Info("Received response for: {0} (source: {1})", uri, response.Source);
// Get the content of the first node
IEnumerable <DacpNode> nodes = null;
if (data.Length > 0)
{
data = DacpUtility.GetResponseNodes(data, true).First().Value;
nodes = DacpUtility.GetResponseNodes(data);
}
return(new DacpResponse(response, nodes));
}
public static IDacpList GetAlphaGroupedDacpList <T>(IEnumerable <DacpNode> nodes, Func <byte[], T> itemGenerator, out List <T> items, string listKey = DefaultListKey, bool useGroupMinimums = true)
{
var nodeList = nodes.ToList();
items = GetItemsFromNodes(nodeList, itemGenerator, listKey).ToList();
var headers = nodeList.FirstOrDefault(n => n.Key == "mshl");
IEnumerable <DacpNode> headerNodes = null;
if (headers != null)
{
headerNodes = DacpUtility.GetResponseNodes(headers.Value);
}
return(GetAlphaGroupedDacpList(items, headerNodes, useGroupMinimums));
}
private async Task <bool> GetServerCapabilitiesAsync()
{
DacpRequest request = new DacpRequest("/ctrl-int");
request.IncludeSessionID = false;
try
{
var response = await SendRequestAsync(request).ConfigureAwait(false);
// Process response
var mlcl = DacpUtility.GetResponseNodes(response.Nodes.First(n => n.Key == "mlcl").Value);
var nodes = DacpNodeDictionary.Parse(mlcl.First(n => n.Key == "mlit").Value);
if (nodes.ContainsKey("ceSX"))
{
Int64 ceSX = nodes.GetLong("ceSX");
// Bit 0: Supports Play Queue
if ((ceSX & (1 << 0)) != 0)
{
ServerSupportsPlayQueue = true;
}
// Bit 1: iTunes Radio? Appeared in iTunes 11.1.2 with the iTunes Radio DB.
// Apple's Remote for iOS doesn't seem to use this bit to determine whether iTunes Radio is available.
// Instead, it looks for an iTunes Radio database and checks whether it has any containers.
// Bit 2: Genius Shuffle Enabled/Available
if ((ceSX & (1 << 2)) != 0)
{
ServerSupportsGeniusShuffle = true;
}
}
}
catch { return(false); }
return(true);
}
private async Task <bool> GetServerInfoAsync()
{
DacpRequest request = new DacpRequest("/server-info");
request.IncludeSessionID = false;
try
{
var response = await SendRequestAsync(request).ConfigureAwait(false);
// Process response
ServerVersion = response.HTTPResponse.Headers.GetValueOrDefault("DAAP-Server");
var nodes = DacpNodeDictionary.Parse(response.Nodes);
ServerName = nodes.GetString("minm");
//ServerVersion = nodes.GetInt("aeSV");
//ServerDMAPVersion = nodes.GetInt("mpro");
//ServerDAAPVersion = nodes.GetInt("apro");
// MAC addresses
if (nodes.ContainsKey("msml"))
{
List <string> macAddresses = new List <string>();
var addressNodes = DacpUtility.GetResponseNodes(nodes["msml"]).Where(n => n.Key == "msma").Select(n => n.Value);
foreach (var addressNode in addressNodes)
{
var address = BitConverter.ToInt64(addressNode, 0);
address = address >> 16;
macAddresses.Add(address.ToString("X12"));
}
ServerMacAddresses = macAddresses.ToArray();
}
}
catch { return(false); }
return(true);
}
public static DacpNodeDictionary Parse(byte[] data)
{
return(Parse(DacpUtility.GetResponseNodes(data)));
}