public void param <T> (string param_name, ref T param_val, T default_val)
{
if (!hasParam(param_name))
{
param_val = default_val;
return;
}
try
{
XmlRpcValue v = Param.getParam(param_name);
if (v == null || !v.Valid)
{
param_val = default_val;
}
else
{
param_val = v.Get <T> ();
}
}
catch
{
param_val = default_val;
}
}
/// <summary>
/// Checks if the paramter exists.
/// </summary>
/// <param name="key">Name of the paramerer</param>
/// <returns></returns>
public static bool has(string key)
{
XmlRpcValue parm = new XmlRpcValue(), result = new XmlRpcValue(), payload = new XmlRpcValue();
parm.Set(0, this_node.Name);
parm.Set(1, names.resolve(key));
if (!master.execute("hasParam", parm, ref result, ref payload, false))
{
return(false);
}
return(payload.Get <bool>());
}
public bool registerSubscriber(Subscription s, string datatype)
{
string uri = XmlRpcManager.Instance.uri;
XmlRpcValue args = new XmlRpcValue(this_node.Name, s.name, datatype, uri);
XmlRpcValue result = new XmlRpcValue();
XmlRpcValue payload = new XmlRpcValue();
if (!master.execute("registerSubscriber", args, result, payload, true))
{
return(false);
}
List <string> pub_uris = new List <string>();
for (int i = 0; i < payload.Size; i++)
{
XmlRpcValue load = payload[i];
string pubed = load.Get <string>();
if (pubed != uri && !pub_uris.Contains(pubed))
{
pub_uris.Add(pubed);
}
}
bool self_subscribed = false;
Publication pub = null;
string sub_md5sum = s.md5sum;
lock (advertised_topics_mutex)
{
foreach (Publication p in advertised_topics)
{
pub = p;
string pub_md5sum = pub.Md5sum;
if (pub.Name == s.name && md5sumsMatch(pub_md5sum, sub_md5sum) && !pub.Dropped)
{
self_subscribed = true;
break;
}
}
}
s.pubUpdate(pub_uris);
if (self_subscribed)
{
s.addLocalConnection(pub);
}
return(true);
}
public static bool getCached <T> (string key, T dest)
{
try
{
XmlRpcValue v = getParam(key, true);
if (v == null || !v.Valid)
{
return(false);
}
dest = v.Get <T> ();
return(true);
}
catch
{
return(false);
}
}
private static bool safeGet <T>(string key, ref T dest, object def = null)
{
try
{
XmlRpcValue v = getParam(key);
if (v == null)
{
if (def == null)
{
return(false);
}
dest = (T)def;
return(true);
}
dest = v.Get <T>();
return(true);
}
catch
{
return(false);
}
}
public T param <T> (string param_name, T default_val)
{
if (!hasParam(param_name))
{
return(default_val);
}
try
{
XmlRpcValue v = Param.getParam(param_name);
if (v == null || !v.Valid)
{
return(default_val);
}
return(v.Get <T> ());
}
catch
{
return(default_val);
}
return(default_val);
}
