private bool RemoveSpecial(List <ListenerPrefix> list, ListenerPrefix prefix)
{
if (list == null)
{
return(false);
}
int c = list.Count;
for (int i = 0; i < c; i++)
{
ListenerPrefix p = list[i];
if (p.Path == prefix.Path)
{
list.RemoveAt(i);
return(true);
}
}
return(false);
}
bool RemoveSpecial(List <ListenerPrefix> coll, ListenerPrefix prefix)
{
if (coll == null)
{
return(false);
}
int c = coll.Count;
for (int i = 0; i < c; i++)
{
ListenerPrefix p = (ListenerPrefix)coll[i];
if (p.Path == prefix.Path)
{
coll.RemoveAt(i);
return(true);
}
}
return(false);
}
private static void AddPrefixInternal(ILogger logger, string p, HttpListener listener)
{
int start = p.IndexOf(':') + 3;
int colon = p.IndexOf(':', start);
if (colon != -1)
{
// root can't be -1 here, since we've already checked for ending '/' in ListenerPrefix.
int root = p.IndexOf('/', colon, p.Length - colon);
string portString = p.Substring(colon + 1, root - colon - 1);
int port;
if (!int.TryParse(portString, out port) || port <= 0 || port >= 65536)
{
throw new HttpListenerException((int)HttpStatusCode.BadRequest, "net_invalid_port");
}
}
ListenerPrefix lp = new ListenerPrefix(p);
if (lp.Host != "*" && lp.Host != "+" && Uri.CheckHostName(lp.Host) == UriHostNameType.Unknown)
{
throw new HttpListenerException((int)HttpStatusCode.BadRequest, "net_listener_host");
}
if (lp.Path.IndexOf('%') != -1)
{
throw new HttpListenerException((int)HttpStatusCode.BadRequest, "net_invalid_path");
}
if (lp.Path.IndexOf("//", StringComparison.Ordinal) != -1)
{
throw new HttpListenerException((int)HttpStatusCode.BadRequest, "net_invalid_path");
}
// listens on all the interfaces if host name cannot be parsed by IPAddress.
HttpEndPointListener epl = GetEPListener(logger, lp.Host, lp.Port, listener, lp.Secure);
epl.AddPrefix(lp, listener);
}
HttpListener MatchFromList(string host, string path, List <ListenerPrefix> list, out ListenerPrefix prefix)
{
prefix = null;
if (list == null)
{
return(null);
}
HttpListener best_match = null;
int best_length = -1;
foreach (ListenerPrefix p in list)
{
string ppath = p.Path;
if (ppath.Length < best_length)
{
continue;
}
if (path.StartsWith(ppath))
{
best_length = ppath.Length;
best_match = p.Listener;
prefix = p;
}
}
return(best_match);
}
HttpListener SearchListener(Uri uri, out ListenerPrefix prefix)
{
prefix = null;
if (uri == null)
{
return(null);
}
string host = uri.Host;
int port = uri.Port;
string path = WebUtility.UrlDecode(uri.AbsolutePath);
string path_slash = path[path.Length - 1] == '/' ? path : path + "/";
HttpListener best_match = null;
int best_length = -1;
if (host != null && host != "")
{
var p_ro = prefixes;
foreach (ListenerPrefix p in p_ro.Keys)
{
string ppath = p.Path;
if (ppath.Length < best_length)
{
continue;
}
if (p.Host != host || p.Port != port)
{
continue;
}
if (path.StartsWith(ppath) || path_slash.StartsWith(ppath))
{
best_length = ppath.Length;
best_match = (HttpListener)p_ro[p];
prefix = p;
}
}
if (best_length != -1)
{
return(best_match);
}
}
List <ListenerPrefix> list = unhandled;
best_match = MatchFromList(host, path, list, out prefix);
if (path != path_slash && best_match == null)
{
best_match = MatchFromList(host, path_slash, list, out prefix);
}
if (best_match != null)
{
return(best_match);
}
list = all;
best_match = MatchFromList(host, path, list, out prefix);
if (path != path_slash && best_match == null)
{
best_match = MatchFromList(host, path_slash, list, out prefix);
}
if (best_match != null)
{
return(best_match);
}
return(null);
}
private HttpListener SearchListener(Uri uri, out ListenerPrefix prefix)
{
prefix = null;
if (uri == null)
{
return(null);
}
string host = uri.Host;
int port = uri.Port;
string path = WebUtility.UrlDecode(uri.AbsolutePath);
string pathSlash = path[path.Length - 1] == '/' ? path : path + "/";
HttpListener bestMatch = null;
int bestLength = -1;
if (host != null && host != "")
{
Dictionary <ListenerPrefix, HttpListener> localPrefixes = _prefixes;
foreach (ListenerPrefix p in localPrefixes.Keys)
{
string 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 = localPrefixes[p];
prefix = p;
}
}
if (bestLength != -1)
{
return(bestMatch);
}
}
List <ListenerPrefix> list = _unhandledPrefixes;
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 = _allPrefixes;
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);
}
