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