webrtc/talk/p2p/client/fakeportallocator.h
guoweis@webrtc.org 369a637ac8 Implemented Network::GetBestIP() selection logic as following.
1) return the first global temporary and non-deprecrated ones.
2) if #1 not available, return global one.
3) if #2 not available, use ULA ipv6 as last resort.

ULA stands for unique local address. They are only useful in a private
WebRTC deployment. More detail: http://en.wikipedia.org/wiki/Unique_local_address

BUG=3808

At this point, rule #3 actually won't happen at current
implementation. The reason being that ULA address starting with 0xfc 0r 0xfd will be grouped into its own Network. The result of that is WebRTC will have one extra Network to generate candidates but the lack of rule #3 shouldn't prevent turning on IPv6 since ULA should only be tried in a close deployment anyway.

R=jiayl@webrtc.org

Committed: https://code.google.com/p/webrtc/source/detail?r=7200

Committed: https://code.google.com/p/webrtc/source/detail?r=7201

Review URL: https://webrtc-codereview.appspot.com/31369004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7216 4adac7df-926f-26a2-2b94-8c16560cd09d
2014-09-17 22:37:29 +00:00

135 lines
4.8 KiB
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/*
* libjingle
* Copyright 2010, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 TALK_P2P_CLIENT_FAKEPORTALLOCATOR_H_
#define TALK_P2P_CLIENT_FAKEPORTALLOCATOR_H_
#include <string>
#include "talk/p2p/base/basicpacketsocketfactory.h"
#include "talk/p2p/base/portallocator.h"
#include "talk/p2p/base/udpport.h"
#include "webrtc/base/scoped_ptr.h"
namespace rtc {
class SocketFactory;
class Thread;
}
namespace cricket {
class FakePortAllocatorSession : public PortAllocatorSession {
public:
FakePortAllocatorSession(rtc::Thread* worker_thread,
rtc::PacketSocketFactory* factory,
const std::string& content_name,
int component,
const std::string& ice_ufrag,
const std::string& ice_pwd)
: PortAllocatorSession(content_name, component, ice_ufrag, ice_pwd,
cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG),
worker_thread_(worker_thread),
factory_(factory),
network_("network", "unittest",
rtc::IPAddress(INADDR_LOOPBACK), 8),
port_(), running_(false),
port_config_count_(0) {
network_.AddIP(rtc::IPAddress(INADDR_LOOPBACK));
}
virtual void StartGettingPorts() {
if (!port_) {
port_.reset(cricket::UDPPort::Create(worker_thread_,
factory_,
&network_,
network_.GetBestIP(),
0,
0,
username(),
password()));
AddPort(port_.get());
}
++port_config_count_;
running_ = true;
}
virtual void StopGettingPorts() { running_ = false; }
virtual bool IsGettingPorts() { return running_; }
int port_config_count() { return port_config_count_; }
void AddPort(cricket::Port* port) {
port->set_component(component_);
port->set_generation(0);
port->SignalPortComplete.connect(
this, &FakePortAllocatorSession::OnPortComplete);
port->PrepareAddress();
SignalPortReady(this, port);
}
void OnPortComplete(cricket::Port* port) {
SignalCandidatesReady(this, port->Candidates());
SignalCandidatesAllocationDone(this);
}
private:
rtc::Thread* worker_thread_;
rtc::PacketSocketFactory* factory_;
rtc::Network network_;
rtc::scoped_ptr<cricket::Port> port_;
bool running_;
int port_config_count_;
};
class FakePortAllocator : public cricket::PortAllocator {
public:
FakePortAllocator(rtc::Thread* worker_thread,
rtc::PacketSocketFactory* factory)
: worker_thread_(worker_thread), factory_(factory) {
if (factory_ == NULL) {
owned_factory_.reset(new rtc::BasicPacketSocketFactory(
worker_thread_));
factory_ = owned_factory_.get();
}
}
virtual cricket::PortAllocatorSession* CreateSessionInternal(
const std::string& content_name,
int component,
const std::string& ice_ufrag,
const std::string& ice_pwd) {
return new FakePortAllocatorSession(
worker_thread_, factory_, content_name, component, ice_ufrag, ice_pwd);
}
private:
rtc::Thread* worker_thread_;
rtc::PacketSocketFactory* factory_;
rtc::scoped_ptr<rtc::BasicPacketSocketFactory> owned_factory_;
};
} // namespace cricket
#endif // TALK_P2P_CLIENT_FAKEPORTALLOCATOR_H_