1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/mtransport/nriceresolver.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,124 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +
1.11 +// Original authors: jib@mozilla.com, ekr@rtfm.com
1.12 +
1.13 +// Some of this code is cut-and-pasted from nICEr. Copyright is:
1.14 +
1.15 +/*
1.16 +Copyright (c) 2007, Adobe Systems, Incorporated
1.17 +All rights reserved.
1.18 +
1.19 +Redistribution and use in source and binary forms, with or without
1.20 +modification, are permitted provided that the following conditions are
1.21 +met:
1.22 +
1.23 +* Redistributions of source code must retain the above copyright
1.24 + notice, this list of conditions and the following disclaimer.
1.25 +
1.26 +* Redistributions in binary form must reproduce the above copyright
1.27 + notice, this list of conditions and the following disclaimer in the
1.28 + documentation and/or other materials provided with the distribution.
1.29 +
1.30 +* Neither the name of Adobe Systems, Network Resonance nor the names of its
1.31 + contributors may be used to endorse or promote products derived from
1.32 + this software without specific prior written permission.
1.33 +
1.34 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.35 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.36 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.37 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.38 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.39 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.40 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.41 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.42 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.43 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.44 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.45 +*/
1.46 +
1.47 +#ifndef nriceresolver_h__
1.48 +#define nriceresolver_h__
1.49 +
1.50 +#include <map>
1.51 +#include <string>
1.52 +#include "nspr.h"
1.53 +#include "prnetdb.h"
1.54 +#include "nsIDNSService.h"
1.55 +#include "nsIDNSListener.h"
1.56 +#include "nsICancelable.h"
1.57 +
1.58 +typedef struct nr_resolver_ nr_resolver;
1.59 +typedef struct nr_resolver_vtbl_ nr_resolver_vtbl;
1.60 +typedef struct nr_transport_addr_ nr_transport_addr;
1.61 +typedef struct nr_resolver_resource_ nr_resolver_resource;
1.62 +
1.63 +namespace mozilla {
1.64 +
1.65 +class NrIceResolver
1.66 +{
1.67 + public:
1.68 + NrIceResolver();
1.69 + ~NrIceResolver();
1.70 +
1.71 + nsresult Init();
1.72 + nr_resolver *AllocateResolver();
1.73 + void DestroyResolver();
1.74 + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(NrIceResolver)
1.75 +
1.76 + private:
1.77 + // Implementations of vtbl functions
1.78 + static int destroy(void **objp);
1.79 + static int resolve(void *obj, nr_resolver_resource *resource,
1.80 + int (*cb)(void *cb_arg, nr_transport_addr *addr),
1.81 + void *cb_arg, void **handle);
1.82 + static void resolve_cb(NR_SOCKET s, int how, void *cb_arg);
1.83 + static int cancel(void *obj, void *handle);
1.84 +
1.85 + int resolve(nr_resolver_resource *resource,
1.86 + int (*cb)(void *cb_arg, nr_transport_addr *addr),
1.87 + void *cb_arg, void **handle);
1.88 +
1.89 + class PendingResolution : public nsIDNSListener
1.90 + {
1.91 + public:
1.92 + PendingResolution(nsIEventTarget *thread,
1.93 + uint16_t port,
1.94 + int transport,
1.95 + int (*cb)(void *cb_arg, nr_transport_addr *addr),
1.96 + void *cb_arg) :
1.97 + thread_(thread),
1.98 + port_(port),
1.99 + transport_(transport),
1.100 + cb_(cb), cb_arg_(cb_arg),
1.101 + canceled_ (false) {}
1.102 + virtual ~PendingResolution(){};
1.103 + NS_IMETHOD OnLookupComplete(nsICancelable *request, nsIDNSRecord *record,
1.104 + nsresult status);
1.105 + int cancel();
1.106 + nsCOMPtr<nsICancelable> request_;
1.107 + NS_DECL_THREADSAFE_ISUPPORTS
1.108 +
1.109 + private:
1.110 + nsCOMPtr<nsIEventTarget> thread_;
1.111 + uint16_t port_;
1.112 + int transport_;
1.113 + int (*cb_)(void *cb_arg, nr_transport_addr *addr);
1.114 + void *cb_arg_;
1.115 + bool canceled_;
1.116 + };
1.117 +
1.118 + nr_resolver_vtbl* vtbl_;
1.119 + nsCOMPtr<nsIEventTarget> sts_thread_;
1.120 + nsCOMPtr<nsIDNSService> dns_;
1.121 +#ifdef DEBUG
1.122 + int allocated_resolvers_;
1.123 +#endif
1.124 +};
1.125 +
1.126 +} // End of namespace mozilla
1.127 +#endif
