internal bool TrySearchHttpListener(Uri uri, out HttpListener listener)
{
listener = null;
if (uri == null)
{
return(false);
}
var host = uri.Host;
var dns = Uri.CheckHostName(host) == UriHostNameType.Dns;
var port = uri.Port.ToString();
var path = HttpUtility.UrlDecode(uri.AbsolutePath);
var pathSlash = path[path.Length - 1] != '/' ? path + "/" : path;
if (host != null && host.Length > 0)
{
var bestLen = -1;
foreach (var pref in _prefixes.Keys)
{
if (dns)
{
var prefHost = pref.Host;
if (Uri.CheckHostName(prefHost) == UriHostNameType.Dns && prefHost != host)
{
continue;
}
}
if (pref.Port != port)
{
continue;
}
var prefPath = pref.Path;
var len = prefPath.Length;
if (len < bestLen)
{
continue;
}
if (path.StartsWith(prefPath) || pathSlash.StartsWith(prefPath))
{
bestLen = len;
listener = _prefixes[pref];
}
}
if (bestLen != -1)
{
return(true);
}
}
var prefs = _unhandled;
listener = searchHttpListenerFromSpecial(path, prefs);
if (listener == null && pathSlash != path)
{
listener = searchHttpListenerFromSpecial(pathSlash, prefs);
}
if (listener != null)
{
return(true);
}
prefs = _all;
listener = searchHttpListenerFromSpecial(path, prefs);
if (listener == null && pathSlash != path)
{
listener = searchHttpListenerFromSpecial(pathSlash, prefs);
}
return(listener != null);
}
private HttpListener searchListener(Uri uri, out ListenerPrefix prefix)
{
prefix = null;
if (uri == null)
{
return(null);
}
var host = uri.Host;
var port = uri.Port;
var path = HttpUtility.UrlDecode(uri.AbsolutePath);
var pathSlash = path [path.Length - 1] == '/' ? path : path + "/";
HttpListener bestMatch = null;
var bestLength = -1;
if (host != null && host.Length > 0)
{
foreach (var p in _prefixes.Keys)
{
var ppath = p.Path;
if (ppath.Length < bestLength)
{
continue;
}
if (p.Host != host || p.Port != port)
{
continue;
}
if (path.StartsWith(ppath) || pathSlash.StartsWith(ppath))
{
bestLength = ppath.Length;
bestMatch = _prefixes [p];
prefix = p;
}
}
if (bestLength != -1)
{
return(bestMatch);
}
}
var list = _unhandled;
bestMatch = matchFromList(host, path, list, out prefix);
if (path != pathSlash && bestMatch == null)
{
bestMatch = matchFromList(host, pathSlash, list, out prefix);
}
if (bestMatch != null)
{
return(bestMatch);
}
list = _all;
bestMatch = matchFromList(host, path, list, out prefix);
if (path != pathSlash && bestMatch == null)
{
bestMatch = matchFromList(host, pathSlash, list, out prefix);
}
if (bestMatch != null)
{
return(bestMatch);
}
return(null);
}
