87 lines
3.0 KiB
C++
87 lines
3.0 KiB
C++
/*
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* Copyright 2012 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef P2P_BASE_TRANSPORT_DESCRIPTION_FACTORY_H_
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#define P2P_BASE_TRANSPORT_DESCRIPTION_FACTORY_H_
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#include <memory>
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#include "p2p/base/ice_credentials_iterator.h"
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#include "p2p/base/transport_description.h"
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#include "rtc_base/rtc_certificate.h"
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namespace rtc {
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class SSLIdentity;
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}
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namespace cricket {
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struct TransportOptions {
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bool ice_restart = false;
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bool prefer_passive_role = false;
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// If true, ICE renomination is supported and will be used if it is also
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// supported by the remote side.
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bool enable_ice_renomination = false;
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};
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// Creates transport descriptions according to the supplied configuration.
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// When creating answers, performs the appropriate negotiation
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// of the various fields to determine the proper result.
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class TransportDescriptionFactory {
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public:
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// Default ctor; use methods below to set configuration.
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TransportDescriptionFactory();
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~TransportDescriptionFactory();
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SecurePolicy secure() const { return secure_; }
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// The certificate to use when setting up DTLS.
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const rtc::scoped_refptr<rtc::RTCCertificate>& certificate() const {
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return certificate_;
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}
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// Specifies the transport security policy to use.
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void set_secure(SecurePolicy s) { secure_ = s; }
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// Specifies the certificate to use (only used when secure != SEC_DISABLED).
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void set_certificate(
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const rtc::scoped_refptr<rtc::RTCCertificate>& certificate) {
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certificate_ = certificate;
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}
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// Creates a transport description suitable for use in an offer.
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std::unique_ptr<TransportDescription> CreateOffer(
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const TransportOptions& options,
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const TransportDescription* current_description,
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IceCredentialsIterator* ice_credentials) const;
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// Create a transport description that is a response to an offer.
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//
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// If |require_transport_attributes| is true, then TRANSPORT category
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// attributes are expected to be present in |offer|, as defined by
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// sdp-mux-attributes, and null will be returned otherwise. It's expected
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// that this will be set to false for an m= section that's in a BUNDLE group
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// but isn't the first m= section in the group.
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std::unique_ptr<TransportDescription> CreateAnswer(
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const TransportDescription* offer,
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const TransportOptions& options,
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bool require_transport_attributes,
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const TransportDescription* current_description,
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IceCredentialsIterator* ice_credentials) const;
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private:
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bool SetSecurityInfo(TransportDescription* description,
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ConnectionRole role) const;
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SecurePolicy secure_;
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rtc::scoped_refptr<rtc::RTCCertificate> certificate_;
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};
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} // namespace cricket
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#endif // P2P_BASE_TRANSPORT_DESCRIPTION_FACTORY_H_
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