private IEnumerable <UpnpAction> GetActions(string url)
{
var document = new XmlDocument();
document.Load(url);
var namespaceManager = new XmlNamespaceManager(document.NameTable);
namespaceManager.AddNamespace("upnp", "urn:schemas-upnp-org:service-1-0");
var actions = document.SelectNodes("//upnp:actionList/upnp:action", namespaceManager)?.OfType <XmlNode>().ToList();
if (actions == null)
{
yield break;
}
foreach (var action in actions)
{
var childNodes = action.ChildNodes.OfType <XmlNode>().ToList();
var name = childNodes.SingleOrDefault(n => n.Name.Equals("name"))?.InnerText;
var arguments = childNodes.SingleOrDefault(n => n.Name.Equals("argumentList"))?.ChildNodes;
var dto = new UpnpAction {
Name = name
};
if (arguments == null)
{
yield return(dto);
continue;
}
foreach (var argument in arguments.Cast <XmlNode>().Where(n => n.HasChildNodes))
{
var argumentChildNodes = argument.ChildNodes.Cast <XmlNode>().ToList();
var argumentName = argumentChildNodes.SingleOrDefault(n => n.Name.Equals("name"))?.InnerText;
var direction = argumentChildNodes.SingleOrDefault(n => n.Name.Equals("direction"))?.InnerText;
if ("in".Equals(direction))
{
dto.InputArguments.Add(argumentName);
}
else if ("out".Equals(direction))
{
dto.OutputArguments.Add(argumentName);
}
}
yield return(dto);
}
}
public async Task<Dictionary<string, string>> ExecuteAsync(SonosDevice device, UpnpService service, UpnpAction action, Dictionary<string, string> values)
{
var uri = new Uri($"http://{device.IpAddress}:1400{service.ControlUrl}");
var soapAction = $"{service.Id}#{action.Name}";
var body = new StringBuilder();
body.Append($"<u:{action.Name} xmlns:u=\"{service.Type}\">");
foreach (var argument in action.InputArguments)
{
string value;
if (values.TryGetValue(argument, out value))
{
body.Append($"<{argument}>{value}</{argument}>");
}
}
body.Append($"</u:{action.Name}>");
var result = new Dictionary<string, string>();
try
{
var document = await PostRequestInternalAsync(uri, soapAction, body.ToString());
foreach (var argument in action.OutputArguments)
{
var value = document.SelectSingleNode("//" + argument)?.InnerText;
result.Add(argument, value);
}
}
catch (WebException e)
{
_log.Error($"Unable to execute action {action.Name} for device {device.Name}: {e.Message}");
}
catch (Exception e)
{
_log.Error($"Unable to execute action {action.Name} for device {device.Name}: {e.Message}", e);
}
return result;
}
public async Task <Dictionary <string, string> > ExecuteAsync(SonosDevice device, UpnpService service, UpnpAction action, Dictionary <string, string> values)
{
var uri = new Uri($"http://{device.IpAddress}:1400{service.ControlUrl}");
var soapAction = $"{service.Id}#{action.Name}";
var body = new StringBuilder();
body.Append($"<u:{action.Name} xmlns:u=\"{service.Type}\">");
foreach (var argument in action.InputArguments)
{
string value;
if (values.TryGetValue(argument, out value))
{
body.Append($"<{argument}>{value}</{argument}>");
}
}
body.Append($"</u:{action.Name}>");
var result = new Dictionary <string, string>();
try
{
var document = await PostRequestInternalAsync(uri, soapAction, body.ToString());
foreach (var argument in action.OutputArguments)
{
var value = document.SelectSingleNode("//" + argument)?.InnerText;
result.Add(argument, value);
}
}
catch (WebException e)
{
_log.Error($"Unable to execute action {action.Name} for device {device.Name}: {e.Message}");
}
catch (Exception e)
{
_log.Error($"Unable to execute action {action.Name} for device {device.Name}: {e.Message}", e);
}
return(result);
}
private IEnumerable<UpnpAction> GetActions(string url)
{
var document = new XmlDocument();
document.Load(url);
var namespaceManager = new XmlNamespaceManager(document.NameTable);
namespaceManager.AddNamespace("upnp", "urn:schemas-upnp-org:service-1-0");
var actions = document.SelectNodes("//upnp:actionList/upnp:action", namespaceManager)?.OfType<XmlNode>().ToList();
if (actions == null)
{
yield break;
}
foreach (var action in actions)
{
var childNodes = action.ChildNodes.OfType<XmlNode>().ToList();
var name = childNodes.SingleOrDefault(n => n.Name.Equals("name"))?.InnerText;
var arguments = childNodes.SingleOrDefault(n => n.Name.Equals("argumentList"))?.ChildNodes;
var dto = new UpnpAction {Name = name};
if (arguments == null)
{
yield return dto;
continue;
}
foreach (var argument in arguments.Cast<XmlNode>().Where(n => n.HasChildNodes))
{
var argumentChildNodes = argument.ChildNodes.Cast<XmlNode>().ToList();
var argumentName = argumentChildNodes.SingleOrDefault(n => n.Name.Equals("name"))?.InnerText;
var direction = argumentChildNodes.SingleOrDefault(n => n.Name.Equals("direction"))?.InnerText;
if ("in".Equals(direction))
{
dto.InputArguments.Add(argumentName);
}
else if ("out".Equals(direction))
{
dto.OutputArguments.Add(argumentName);
}
}
yield return dto;
}
}
