import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

media/mtransport/nriceresolver.h

@@ -0,0 +1,123 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+// Original authors: jib@mozilla.com, ekr@rtfm.com
+
+// Some of this code is cut-and-pasted from nICEr. Copyright is:
+
+/*
+Copyright (c) 2007, Adobe Systems, Incorporated
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+
+* Neither the name of Adobe Systems, Network Resonance nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef nriceresolver_h__
+#define nriceresolver_h__
+
+#include <map>
+#include <string>
+#include "nspr.h"
+#include "prnetdb.h"
+#include "nsIDNSService.h"
+#include "nsIDNSListener.h"
+#include "nsICancelable.h"
+
+typedef struct nr_resolver_ nr_resolver;
+typedef struct nr_resolver_vtbl_ nr_resolver_vtbl;
+typedef struct nr_transport_addr_ nr_transport_addr;
+typedef struct nr_resolver_resource_ nr_resolver_resource;
+
+namespace mozilla {
+
+class NrIceResolver
+{
+ private:
+  ~NrIceResolver();
+ public:
+  NrIceResolver();
+
+  nsresult Init();
+  nr_resolver *AllocateResolver();
+  void DestroyResolver();
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(NrIceResolver)
+
+  int resolve(nr_resolver_resource *resource,
+              int (*cb)(void *cb_arg, nr_transport_addr *addr),
+              void *cb_arg, void **handle);
+
+ private:
+  // Implementations of vtbl functions
+  static int destroy(void **objp);
+  static int resolve(void *obj, nr_resolver_resource *resource,
+                     int (*cb)(void *cb_arg, nr_transport_addr *addr),
+                     void *cb_arg, void **handle);
+  static void resolve_cb(NR_SOCKET s, int how, void *cb_arg);
+  static int cancel(void *obj, void *handle);
+
+  class PendingResolution : public nsIDNSListener
+  {
+   public:
+    PendingResolution(nsIEventTarget *thread,
+                      uint16_t port,
+                      int transport,
+                      int (*cb)(void *cb_arg, nr_transport_addr *addr),
+                      void *cb_arg) :
+        thread_(thread),
+        port_(port),
+        transport_(transport),
+        cb_(cb), cb_arg_(cb_arg) {}
+    NS_IMETHOD OnLookupComplete(nsICancelable *request, nsIDNSRecord *record,
+                                nsresult status) override;
+    int cancel();
+    nsCOMPtr<nsICancelable> request_;
+    NS_DECL_THREADSAFE_ISUPPORTS
+
+   private:
+    virtual ~PendingResolution(){};
+    nsCOMPtr<nsIEventTarget> thread_;
+    uint16_t port_;
+    int transport_;
+    int (*cb_)(void *cb_arg, nr_transport_addr *addr);
+    void *cb_arg_;
+  };
+
+  nr_resolver_vtbl* vtbl_;
+  nsCOMPtr<nsIEventTarget> sts_thread_;
+  nsCOMPtr<nsIDNSService> dns_;
+#ifdef DEBUG
+  int allocated_resolvers_;
+#endif
+};
+
+}  // End of namespace mozilla
+#endif