private static HttpListener matchFromList(
string host, string path, List <HttpListenerPrefix> list, out HttpListenerPrefix prefix)
{
prefix = null;
if (list == null)
{
return(null);
}
HttpListener bestMatch = null;
var bestLen = -1;
foreach (var pref in list)
{
var ppath = pref.Path;
if (ppath.Length < bestLen)
{
continue;
}
if (path.StartsWith(ppath))
{
bestLen = ppath.Length;
bestMatch = pref.Listener;
prefix = pref;
}
}
return(bestMatch);
}
public void AddPrefix(HttpListenerPrefix prefix, HttpListener listener)
{
List <HttpListenerPrefix> current, future;
if (prefix.Host == "*")
{
do
{
current = _unhandled;
future = current != null
? new List <HttpListenerPrefix> (current)
: new List <HttpListenerPrefix> ();
prefix.Listener = listener;
addSpecial(future, prefix);
}while (Interlocked.CompareExchange(ref _unhandled, future, current) != current);
return;
}
if (prefix.Host == "+")
{
do
{
current = _all;
future = current != null
? new List <HttpListenerPrefix> (current)
: new List <HttpListenerPrefix> ();
prefix.Listener = listener;
addSpecial(future, prefix);
}while (Interlocked.CompareExchange(ref _all, future, current) != current);
return;
}
Dictionary <HttpListenerPrefix, HttpListener> prefs, prefs2;
do
{
prefs = _prefixes;
if (prefs.ContainsKey(prefix))
{
if (prefs[prefix] != listener)
{
throw new HttpListenerException(
400, String.Format("There's another listener for {0}.", prefix)); // TODO: Code?
}
return;
}
prefs2 = new Dictionary <HttpListenerPrefix, HttpListener> (prefs);
prefs2[prefix] = listener;
}while (Interlocked.CompareExchange(ref _prefixes, prefs2, prefs) != prefs);
}
private void init()
{
_chunked = false;
_context = new HttpListenerContext(this);
_inputState = InputState.RequestLine;
_inputStream = null;
_lineState = LineState.None;
_outputStream = null;
_position = 0;
_prefix = null;
_requestBuffer = new MemoryStream();
}
private static void addPrefix (string uriPrefix, HttpListener listener)
{
var pref = new HttpListenerPrefix (uriPrefix);
if (pref.Path.IndexOf ('%') != -1)
throw new HttpListenerException (400, "Invalid path."); // TODO: Code?
if (pref.Path.IndexOf ("//", StringComparison.Ordinal) != -1)
throw new HttpListenerException (400, "Invalid path."); // TODO: Code?
// Listens on all the interfaces if host name cannot be parsed by IPAddress.
var lsnr = getEndPointListener (pref.Host, pref.Port, listener, pref.IsSecure);
lsnr.AddPrefix (pref, listener);
}
private static void addSpecial(List <HttpListenerPrefix> prefixes, HttpListenerPrefix prefix)
{
var path = prefix.Path;
foreach (var pref in prefixes)
{
if (pref.Path == path)
{
throw new HttpListenerException(400, "The prefix is already in use."); // TODO: Code?
}
}
prefixes.Add(prefix);
}
/// <summary>
/// Adds the specified <paramref name="uriPrefix"/> to the collection.
/// </summary>
/// <param name="uriPrefix">
/// A <see cref="string"/> that represents the URI prefix to add. The prefix must be
/// a well-formed URI prefix with http or https scheme, and must end with a <c>'/'</c>.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="uriPrefix"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <paramref name="uriPrefix"/> is invalid.
/// </exception>
/// <exception cref="ObjectDisposedException">
/// The <see cref="HttpListener"/> associated with this collection is closed.
/// </exception>
public void Add(string uriPrefix)
{
_listener.CheckDisposed();
HttpListenerPrefix.CheckPrefix(uriPrefix);
if (_prefixes.Contains(uriPrefix))
{
return;
}
_prefixes.Add(uriPrefix);
if (_listener.IsListening)
{
EndPointManager.AddPrefix(uriPrefix, _listener);
}
}
private static bool removeSpecial(List <HttpListenerPrefix> prefixes, HttpListenerPrefix prefix)
{
var path = prefix.Path;
var cnt = prefixes.Count;
for (var i = 0; i < cnt; i++)
{
if (prefixes[i].Path == path)
{
prefixes.RemoveAt(i);
return(true);
}
}
return(false);
}
private static void addPrefix(string uriPrefix, HttpListener listener)
{
var pref = new HttpListenerPrefix(uriPrefix);
if (pref.Path.IndexOf('%') != -1)
{
throw new HttpListenerException(400, "Invalid path."); // TODO: Code?
}
if (pref.Path.IndexOf("//", StringComparison.Ordinal) != -1)
{
throw new HttpListenerException(400, "Invalid path."); // TODO: Code?
}
// Listens on all the interfaces if host name cannot be parsed by IPAddress.
var lsnr = getEndPointListener(pref.Host, pref.Port, listener, pref.IsSecure);
lsnr.AddPrefix(pref, listener);
}
private static void removePrefix(string uriPrefix, HttpListener listener)
{
var pref = new HttpListenerPrefix(uriPrefix);
if (pref.Path.IndexOf('%') != -1)
{
return;
}
if (pref.Path.IndexOf("//", StringComparison.Ordinal) != -1)
{
return;
}
var lsnr = getEndPointListener(pref.Host, pref.Port, listener, pref.IsSecure);
lsnr.RemovePrefix(pref, listener);
}
public void RemovePrefix (HttpListenerPrefix prefix, HttpListener listener)
{
List<HttpListenerPrefix> current, future;
if (prefix.Host == "*") {
do {
current = _unhandled;
if (current == null)
break;
future = new List<HttpListenerPrefix> (current);
if (!removeSpecial (future, prefix))
break; // The prefix wasn't found.
}
while (Interlocked.CompareExchange (ref _unhandled, future, current) != current);
checkIfRemove ();
return;
}
if (prefix.Host == "+") {
do {
current = _all;
if (current == null)
break;
future = new List<HttpListenerPrefix> (current);
if (!removeSpecial (future, prefix))
break; // The prefix wasn't found.
}
while (Interlocked.CompareExchange (ref _all, future, current) != current);
checkIfRemove ();
return;
}
Dictionary<HttpListenerPrefix, HttpListener> prefs, prefs2;
do {
prefs = _prefixes;
if (!prefs.ContainsKey (prefix))
break;
prefs2 = new Dictionary<HttpListenerPrefix, HttpListener> (prefs);
prefs2.Remove (prefix);
}
while (Interlocked.CompareExchange (ref _prefixes, prefs2, prefs) != prefs);
checkIfRemove ();
}
public void AddPrefix (HttpListenerPrefix prefix, HttpListener listener)
{
List<HttpListenerPrefix> current, future;
if (prefix.Host == "*") {
do {
current = _unhandled;
future = current != null
? new List<HttpListenerPrefix> (current)
: new List<HttpListenerPrefix> ();
prefix.Listener = listener;
addSpecial (future, prefix);
}
while (Interlocked.CompareExchange (ref _unhandled, future, current) != current);
return;
}
if (prefix.Host == "+") {
do {
current = _all;
future = current != null
? new List<HttpListenerPrefix> (current)
: new List<HttpListenerPrefix> ();
prefix.Listener = listener;
addSpecial (future, prefix);
}
while (Interlocked.CompareExchange (ref _all, future, current) != current);
return;
}
Dictionary<HttpListenerPrefix, HttpListener> prefs, prefs2;
do {
prefs = _prefixes;
if (prefs.ContainsKey (prefix)) {
if (prefs[prefix] != listener)
throw new HttpListenerException (
400, String.Format ("There's another listener for {0}.", prefix)); // TODO: Code?
return;
}
prefs2 = new Dictionary<HttpListenerPrefix, HttpListener> (prefs);
prefs2[prefix] = listener;
}
while (Interlocked.CompareExchange (ref _prefixes, prefs2, prefs) != prefs);
}
private HttpListener searchListener (Uri uri, out HttpListenerPrefix 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 bestLen = -1;
if (host != null && host.Length > 0) {
foreach (var pref in _prefixes.Keys) {
var ppath = pref.Path;
if (ppath.Length < bestLen)
continue;
if (pref.Host != host || pref.Port != port)
continue;
if (path.StartsWith (ppath) || pathSlash.StartsWith (ppath)) {
bestLen = ppath.Length;
bestMatch = _prefixes[pref];
prefix = pref;
}
}
if (bestLen != -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;
}
private static bool removeSpecial (List<HttpListenerPrefix> prefixes, HttpListenerPrefix prefix)
{
var path = prefix.Path;
var cnt = prefixes.Count;
for (var i = 0; i < cnt; i++) {
if (prefixes[i].Path == path) {
prefixes.RemoveAt (i);
return true;
}
}
return false;
}
private static HttpListener matchFromList (
string host, string path, List<HttpListenerPrefix> list, out HttpListenerPrefix prefix)
{
prefix = null;
if (list == null)
return null;
HttpListener bestMatch = null;
var bestLen = -1;
foreach (var pref in list) {
var ppath = pref.Path;
if (ppath.Length < bestLen)
continue;
if (path.StartsWith (ppath)) {
bestLen = ppath.Length;
bestMatch = pref.Listener;
prefix = pref;
}
}
return bestMatch;
}
private static void addSpecial (List<HttpListenerPrefix> prefixes, HttpListenerPrefix prefix)
{
var path = prefix.Path;
foreach (var pref in prefixes)
if (pref.Path == path)
throw new HttpListenerException (400, "The prefix is already in use."); // TODO: Code?
prefixes.Add (prefix);
}
private void init ()
{
_chunked = false;
_context = new HttpListenerContext (this);
_inputState = InputState.RequestLine;
_inputStream = null;
_lineState = LineState.None;
_outputStream = null;
_position = 0;
_prefix = null;
_requestBuffer = new MemoryStream ();
}
private HttpListener searchListener(Uri uri, out HttpListenerPrefix 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 bestLen = -1;
if (host != null && host.Length > 0)
{
foreach (var pref in _prefixes.Keys)
{
var ppath = pref.Path;
if (ppath.Length < bestLen)
{
continue;
}
if (pref.Host != host || pref.Port != port)
{
continue;
}
if (path.StartsWith(ppath) || pathSlash.StartsWith(ppath))
{
bestLen = ppath.Length;
bestMatch = _prefixes[pref];
prefix = pref;
}
}
if (bestLen != -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);
}
public void RemovePrefix(HttpListenerPrefix prefix, HttpListener listener)
{
List <HttpListenerPrefix> current, future;
if (prefix.Host == "*")
{
do
{
current = _unhandled;
if (current == null)
{
break;
}
future = new List <HttpListenerPrefix> (current);
if (!removeSpecial(future, prefix))
{
break; // The prefix wasn't found.
}
}while (Interlocked.CompareExchange(ref _unhandled, future, current) != current);
checkIfRemove();
return;
}
if (prefix.Host == "+")
{
do
{
current = _all;
if (current == null)
{
break;
}
future = new List <HttpListenerPrefix> (current);
if (!removeSpecial(future, prefix))
{
break; // The prefix wasn't found.
}
}while (Interlocked.CompareExchange(ref _all, future, current) != current);
checkIfRemove();
return;
}
Dictionary <HttpListenerPrefix, HttpListener> prefs, prefs2;
do
{
prefs = _prefixes;
if (!prefs.ContainsKey(prefix))
{
break;
}
prefs2 = new Dictionary <HttpListenerPrefix, HttpListener> (prefs);
prefs2.Remove(prefix);
}while (Interlocked.CompareExchange(ref _prefixes, prefs2, prefs) != prefs);
checkIfRemove();
}
private static void removePrefix (string uriPrefix, HttpListener listener)
{
var pref = new HttpListenerPrefix (uriPrefix);
if (pref.Path.IndexOf ('%') != -1)
return;
if (pref.Path.IndexOf ("//", StringComparison.Ordinal) != -1)
return;
var lsnr = getEndPointListener (pref.Host, pref.Port, listener, pref.IsSecure);
lsnr.RemovePrefix (pref, listener);
}
