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28 #ifndef TALK_P2P_BASE_TRANSPORTDESCRIPTION_H_
29 #define TALK_P2P_BASE_TRANSPORTDESCRIPTION_H_
35 #include "talk/p2p/base/candidate.h"
36 #include "talk/p2p/base/constants.h"
37 #include "webrtc/base/scoped_ptr.h"
38 #include "webrtc/base/sslfingerprint.h"
42 // SEC_ENABLED and SEC_REQUIRED should only be used if the session
43 // was negotiated over TLS, to protect the inline crypto material
45 // SEC_DISABLED: No crypto in outgoing offer, ignore any supplied crypto.
46 // SEC_ENABLED: Crypto in outgoing offer and answer (if supplied in offer).
47 // SEC_REQUIRED: Crypto in outgoing offer and answer. Fail any offer with absent
48 // or unsupported crypto.
55 // The transport protocol we've elected to use.
56 enum TransportProtocol {
57 ICEPROTO_GOOGLE, // Google version of ICE protocol.
58 ICEPROTO_HYBRID, // ICE, but can fall back to the Google version.
59 ICEPROTO_RFC5245 // Standard RFC 5245 version of ICE.
61 // The old name for TransportProtocol.
62 // TODO(juberti): remove this.
63 typedef TransportProtocol IceProtocolType;
65 // Whether our side of the call is driving the negotiation, or the other side.
67 ICEROLE_CONTROLLING = 0,
72 // ICE RFC 5245 implementation type.
74 ICEMODE_FULL, // As defined in http://tools.ietf.org/html/rfc5245#section-4.1
75 ICEMODE_LITE // As defined in http://tools.ietf.org/html/rfc5245#section-4.2
78 // RFC 4145 - http://tools.ietf.org/html/rfc4145#section-4
79 // 'active': The endpoint will initiate an outgoing connection.
80 // 'passive': The endpoint will accept an incoming connection.
81 // 'actpass': The endpoint is willing to accept an incoming
82 // connection or to initiate an outgoing connection.
84 CONNECTIONROLE_NONE = 0,
85 CONNECTIONROLE_ACTIVE,
86 CONNECTIONROLE_PASSIVE,
87 CONNECTIONROLE_ACTPASS,
88 CONNECTIONROLE_HOLDCONN,
91 extern const char CONNECTIONROLE_ACTIVE_STR[];
92 extern const char CONNECTIONROLE_PASSIVE_STR[];
93 extern const char CONNECTIONROLE_ACTPASS_STR[];
94 extern const char CONNECTIONROLE_HOLDCONN_STR[];
96 bool StringToConnectionRole(const std::string& role_str, ConnectionRole* role);
97 bool ConnectionRoleToString(const ConnectionRole& role, std::string* role_str);
99 typedef std::vector<Candidate> Candidates;
101 struct TransportDescription {
102 TransportDescription()
103 : ice_mode(ICEMODE_FULL),
104 connection_role(CONNECTIONROLE_NONE) {}
106 TransportDescription(const std::string& transport_type,
107 const std::vector<std::string>& transport_options,
108 const std::string& ice_ufrag,
109 const std::string& ice_pwd,
112 const rtc::SSLFingerprint* identity_fingerprint,
113 const Candidates& candidates)
114 : transport_type(transport_type),
115 transport_options(transport_options),
116 ice_ufrag(ice_ufrag),
119 connection_role(role),
120 identity_fingerprint(CopyFingerprint(identity_fingerprint)),
121 candidates(candidates) {}
122 TransportDescription(const std::string& transport_type,
123 const std::string& ice_ufrag,
124 const std::string& ice_pwd)
125 : transport_type(transport_type),
126 ice_ufrag(ice_ufrag),
128 ice_mode(ICEMODE_FULL),
129 connection_role(CONNECTIONROLE_NONE) {}
130 TransportDescription(const TransportDescription& from)
131 : transport_type(from.transport_type),
132 transport_options(from.transport_options),
133 ice_ufrag(from.ice_ufrag),
134 ice_pwd(from.ice_pwd),
135 ice_mode(from.ice_mode),
136 connection_role(from.connection_role),
137 identity_fingerprint(CopyFingerprint(from.identity_fingerprint.get())),
138 candidates(from.candidates) {}
140 TransportDescription& operator=(const TransportDescription& from) {
145 transport_type = from.transport_type;
146 transport_options = from.transport_options;
147 ice_ufrag = from.ice_ufrag;
148 ice_pwd = from.ice_pwd;
149 ice_mode = from.ice_mode;
150 connection_role = from.connection_role;
152 identity_fingerprint.reset(CopyFingerprint(
153 from.identity_fingerprint.get()));
154 candidates = from.candidates;
158 bool HasOption(const std::string& option) const {
159 return (std::find(transport_options.begin(), transport_options.end(),
160 option) != transport_options.end());
162 void AddOption(const std::string& option) {
163 transport_options.push_back(option);
165 bool secure() const { return identity_fingerprint != NULL; }
167 static rtc::SSLFingerprint* CopyFingerprint(
168 const rtc::SSLFingerprint* from) {
172 return new rtc::SSLFingerprint(*from);
175 std::string transport_type; // xmlns of <transport>
176 std::vector<std::string> transport_options;
177 std::string ice_ufrag;
180 ConnectionRole connection_role;
182 rtc::scoped_ptr<rtc::SSLFingerprint> identity_fingerprint;
183 Candidates candidates;
186 } // namespace cricket
188 #endif // TALK_P2P_BASE_TRANSPORTDESCRIPTION_H_