85 lines
3.5 KiB
C
85 lines
3.5 KiB
C
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/*
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* libjingle
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* Copyright 2012 Google Inc. All rights reserved.
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*
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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 met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_P2P_BASE_TRANSPORTDESCRIPTIONFACTORY_H_
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#define TALK_P2P_BASE_TRANSPORTDESCRIPTIONFACTORY_H_
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#include "talk/p2p/base/transportdescription.h"
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namespace talk_base {
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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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TransportOptions() : ice_restart(false) {}
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bool ice_restart;
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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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SecurePolicy secure() const { return secure_; }
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// The identity to use when setting up DTLS.
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talk_base::SSLIdentity* identity() const { return identity_; }
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// Specifies the transport protocol to be use.
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void set_protocol(TransportProtocol protocol) { protocol_ = protocol; }
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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 identity to use (only used when secure is not SEC_DISABLED).
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void set_identity(talk_base::SSLIdentity* identity) { identity_ = identity; }
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// Specifies the algorithm to use when creating an identity digest.
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void set_digest_algorithm(const std::string& alg) { digest_alg_ = alg; }
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// Creates a transport description suitable for use in an offer.
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TransportDescription* CreateOffer(const TransportOptions& options,
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const TransportDescription* current_description) const;
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// Create a transport description that is a response to an offer.
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TransportDescription* CreateAnswer(
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const TransportDescription* offer,
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const TransportOptions& options,
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const TransportDescription* current_description) const;
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private:
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bool CreateIdentityDigest(TransportDescription* description) const;
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TransportProtocol protocol_;
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SecurePolicy secure_;
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talk_base::SSLIdentity* identity_;
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std::string digest_alg_;
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};
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} // namespace cricket
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#endif // TALK_P2P_BASE_TRANSPORTDESCRIPTIONFACTORY_H_
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