mirror of
https://github.com/classilla/tenfourfox.git
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193 lines
5.5 KiB
C++
193 lines
5.5 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 author: 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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#include "nspr.h"
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#include "prnetdb.h"
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#include "mozilla/Assertions.h"
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extern "C" {
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#include "nr_api.h"
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#include "async_timer.h"
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#include "nr_resolver.h"
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#include "transport_addr.h"
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}
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#include "nriceresolverfake.h"
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#include "nr_socket_prsock.h"
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namespace mozilla {
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NrIceResolverFake::NrIceResolverFake() :
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vtbl_(new nr_resolver_vtbl), addrs_(), delay_ms_(100),
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allocated_resolvers_(0) {
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vtbl_->destroy = &NrIceResolverFake::destroy;
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vtbl_->resolve = &NrIceResolverFake::resolve;
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vtbl_->cancel = &NrIceResolverFake::cancel;
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}
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NrIceResolverFake::~NrIceResolverFake() {
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MOZ_ASSERT(allocated_resolvers_ == 0);
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delete vtbl_;
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}
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nr_resolver *NrIceResolverFake::AllocateResolver() {
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nr_resolver *resolver;
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int r = nr_resolver_create_int((void *)this,
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vtbl_, &resolver);
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MOZ_ASSERT(!r);
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if(r)
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return nullptr;
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++allocated_resolvers_;
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return resolver;
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}
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void NrIceResolverFake::DestroyResolver() {
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--allocated_resolvers_;
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}
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int NrIceResolverFake::destroy(void **objp) {
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if (!objp || !*objp)
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return 0;
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NrIceResolverFake *fake = static_cast<NrIceResolverFake *>(*objp);
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*objp = 0;
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fake->DestroyResolver();
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return 0;
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}
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int NrIceResolverFake::resolve(void *obj,
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nr_resolver_resource *resource,
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int (*cb)(void *cb_arg,
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nr_transport_addr *addr),
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void *cb_arg,
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void **handle) {
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int r,_status;
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MOZ_ASSERT(obj);
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NrIceResolverFake *fake = static_cast<NrIceResolverFake *>(obj);
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MOZ_ASSERT(fake->allocated_resolvers_ > 0);
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PendingResolution *pending =
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new PendingResolution(fake,
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resource->domain_name,
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resource->port ? resource->port : 3478,
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resource->transport_protocol ?
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resource->transport_protocol :
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IPPROTO_UDP,
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resource->address_family,
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cb, cb_arg);
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if ((r=NR_ASYNC_TIMER_SET(fake->delay_ms_,NrIceResolverFake::resolve_cb,
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(void *)pending, &pending->timer_handle_))) {
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delete pending;
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ABORT(r);
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}
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*handle = pending;
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_status=0;
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abort:
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return(_status);
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}
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void NrIceResolverFake::resolve_cb(NR_SOCKET s, int how, void *cb_arg) {
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MOZ_ASSERT(cb_arg);
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PendingResolution *pending = static_cast<PendingResolution *>(cb_arg);
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const PRNetAddr *addr=pending->resolver_->Resolve(pending->hostname_,
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pending->address_family_);
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if (addr) {
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nr_transport_addr transport_addr;
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int r = nr_praddr_to_transport_addr(addr, &transport_addr,
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pending->transport_, 0);
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MOZ_ASSERT(!r);
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if (r)
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goto abort;
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r=nr_transport_addr_set_port(&transport_addr, pending->port_);
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MOZ_ASSERT(!r);
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if (r)
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goto abort;
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/* Fill in the address string */
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r=nr_transport_addr_fmt_addr_string(&transport_addr);
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MOZ_ASSERT(!r);
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if (r)
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goto abort;
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pending->cb_(pending->cb_arg_, &transport_addr);
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delete pending;
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return;
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}
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abort:
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// Resolution failed.
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pending->cb_(pending->cb_arg_, nullptr);
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delete pending;
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}
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int NrIceResolverFake::cancel(void *obj, void *handle) {
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MOZ_ASSERT(obj);
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MOZ_ASSERT(static_cast<NrIceResolverFake *>(obj)->allocated_resolvers_ > 0);
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PendingResolution *pending = static_cast<PendingResolution *>(handle);
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NR_async_timer_cancel(pending->timer_handle_);
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delete pending;
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return(0);
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}
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} // End of namespace mozilla
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