1 files changed, 119 insertions, 0 deletions
diff --git a/dom/media/webrtc/transport/nriceresolver.h b/dom/media/webrtc/transport/nriceresolver.h
new file mode 100644
index 0000000000..7399c78050
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+++ b/dom/media/webrtc/transport/nriceresolver.h
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+/* -*- 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 "nsIDNSService.h"
+#include "nsIDNSListener.h"
+#include "nsICancelable.h"
+#include "nricectx.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() = default;
+
+    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