1 /*
2  * libjingle
3  * Copyright 2004--2005, Google Inc.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  *  1. Redistributions of source code must retain the above copyright notice,
9  *     this list of conditions and the following disclaimer.
10  *  2. Redistributions in binary form must reproduce the above copyright notice,
11  *     this list of conditions and the following disclaimer in the documentation
12  *     and/or other materials provided with the distribution.
13  *  3. The name of the author may not be used to endorse or promote products
14  *     derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef TALK_P2P_BASE_CONSTANTS_H_
29 #define TALK_P2P_BASE_CONSTANTS_H_
30 
31 #include <string>
32 #include "talk/xmllite/qname.h"
33 
34 // This file contains constants related to signaling that are used in various
35 // classes in this directory.
36 
37 namespace cricket {
38 
39 // NS_ == namespace
40 // QN_ == buzz::QName (namespace + name)
41 // LN_ == "local name" == QName::LocalPart()
42 //   these are useful when you need to find a tag
43 //   that has different namespaces (like <description> or <transport>)
44 
45 extern const char NS_EMPTY[];
46 extern const char NS_JINGLE[];
47 extern const char NS_JINGLE_DRAFT[];
48 extern const char NS_GINGLE[];
49 
50 enum SignalingProtocol {
51   PROTOCOL_JINGLE,
52   PROTOCOL_GINGLE,
53   PROTOCOL_HYBRID,
54 };
55 
56 // actions (aka Gingle <session> or Jingle <jingle>)
57 extern const buzz::StaticQName QN_ACTION;
58 extern const char LN_INITIATOR[];
59 extern const buzz::StaticQName QN_INITIATOR;
60 extern const buzz::StaticQName QN_CREATOR;
61 
62 extern const buzz::StaticQName QN_JINGLE;
63 extern const buzz::StaticQName QN_JINGLE_CONTENT;
64 extern const buzz::StaticQName QN_JINGLE_CONTENT_NAME;
65 extern const buzz::StaticQName QN_JINGLE_CONTENT_MEDIA;
66 extern const buzz::StaticQName QN_JINGLE_REASON;
67 extern const buzz::StaticQName QN_JINGLE_DRAFT_GROUP;
68 extern const buzz::StaticQName QN_JINGLE_DRAFT_GROUP_TYPE;
69 extern const char JINGLE_CONTENT_MEDIA_AUDIO[];
70 extern const char JINGLE_CONTENT_MEDIA_VIDEO[];
71 extern const char JINGLE_CONTENT_MEDIA_DATA[];
72 extern const char JINGLE_ACTION_SESSION_INITIATE[];
73 extern const char JINGLE_ACTION_SESSION_INFO[];
74 extern const char JINGLE_ACTION_SESSION_ACCEPT[];
75 extern const char JINGLE_ACTION_SESSION_TERMINATE[];
76 extern const char JINGLE_ACTION_TRANSPORT_INFO[];
77 extern const char JINGLE_ACTION_TRANSPORT_ACCEPT[];
78 extern const char JINGLE_ACTION_DESCRIPTION_INFO[];
79 
80 extern const buzz::StaticQName QN_GINGLE_SESSION;
81 extern const char GINGLE_ACTION_INITIATE[];
82 extern const char GINGLE_ACTION_INFO[];
83 extern const char GINGLE_ACTION_ACCEPT[];
84 extern const char GINGLE_ACTION_REJECT[];
85 extern const char GINGLE_ACTION_TERMINATE[];
86 extern const char GINGLE_ACTION_CANDIDATES[];
87 extern const char GINGLE_ACTION_UPDATE[];
88 
89 extern const char LN_ERROR[];
90 extern const buzz::StaticQName QN_GINGLE_REDIRECT;
91 extern const char STR_REDIRECT_PREFIX[];
92 
93 // Session Contents (aka Gingle <session><description>
94 //                   or Jingle <content><description>)
95 extern const char LN_DESCRIPTION[];
96 extern const char LN_PAYLOADTYPE[];
97 extern const buzz::StaticQName QN_ID;
98 extern const buzz::StaticQName QN_SID;
99 extern const buzz::StaticQName QN_NAME;
100 extern const buzz::StaticQName QN_CLOCKRATE;
101 extern const buzz::StaticQName QN_BITRATE;
102 extern const buzz::StaticQName QN_CHANNELS;
103 extern const buzz::StaticQName QN_PARAMETER;
104 extern const char LN_NAME[];
105 extern const char LN_VALUE[];
106 extern const buzz::StaticQName QN_PAYLOADTYPE_PARAMETER_NAME;
107 extern const buzz::StaticQName QN_PAYLOADTYPE_PARAMETER_VALUE;
108 extern const char PAYLOADTYPE_PARAMETER_BITRATE[];
109 extern const char PAYLOADTYPE_PARAMETER_HEIGHT[];
110 extern const char PAYLOADTYPE_PARAMETER_WIDTH[];
111 extern const char PAYLOADTYPE_PARAMETER_FRAMERATE[];
112 extern const char LN_BANDWIDTH[];
113 
114 // CN_ == "content name".  When we initiate a session, we choose the
115 // name, and when we receive a Gingle session, we provide default
116 // names (since Gingle has no content names).  But when we receive a
117 // Jingle call, the content name can be anything, so don't rely on
118 // these values being the same as the ones received.
119 extern const char CN_AUDIO[];
120 extern const char CN_VIDEO[];
121 extern const char CN_DATA[];
122 extern const char CN_OTHER[];
123 // other SDP related strings
124 // GN stands for group name
125 extern const char GROUP_TYPE_BUNDLE[];
126 
127 extern const char NS_JINGLE_RTP[];
128 extern const buzz::StaticQName QN_JINGLE_RTP_CONTENT;
129 extern const buzz::StaticQName QN_SSRC;
130 extern const buzz::StaticQName QN_JINGLE_RTP_PAYLOADTYPE;
131 extern const buzz::StaticQName QN_JINGLE_RTP_BANDWIDTH;
132 extern const buzz::StaticQName QN_JINGLE_RTCP_MUX;
133 
134 extern const char NS_GINGLE_AUDIO[];
135 extern const buzz::StaticQName QN_GINGLE_AUDIO_CONTENT;
136 extern const buzz::StaticQName QN_GINGLE_AUDIO_PAYLOADTYPE;
137 extern const buzz::StaticQName QN_GINGLE_AUDIO_SRCID;
138 extern const char NS_GINGLE_VIDEO[];
139 extern const buzz::StaticQName QN_GINGLE_VIDEO_CONTENT;
140 extern const buzz::StaticQName QN_GINGLE_VIDEO_PAYLOADTYPE;
141 extern const buzz::StaticQName QN_GINGLE_VIDEO_SRCID;
142 extern const buzz::StaticQName QN_GINGLE_VIDEO_BANDWIDTH;
143 
144 // Crypto support.
145 extern const buzz::StaticQName QN_ENCRYPTION;
146 extern const buzz::StaticQName QN_ENCRYPTION_REQUIRED;
147 extern const buzz::StaticQName QN_CRYPTO;
148 extern const buzz::StaticQName QN_GINGLE_AUDIO_CRYPTO_USAGE;
149 extern const buzz::StaticQName QN_GINGLE_VIDEO_CRYPTO_USAGE;
150 extern const buzz::StaticQName QN_CRYPTO_SUITE;
151 extern const buzz::StaticQName QN_CRYPTO_KEY_PARAMS;
152 extern const buzz::StaticQName QN_CRYPTO_TAG;
153 extern const buzz::StaticQName QN_CRYPTO_SESSION_PARAMS;
154 
155 // transports and candidates
156 extern const char LN_TRANSPORT[];
157 extern const char LN_CANDIDATE[];
158 extern const buzz::StaticQName QN_JINGLE_P2P_TRANSPORT;
159 extern const buzz::StaticQName QN_JINGLE_P2P_CANDIDATE;
160 extern const buzz::StaticQName QN_UFRAG;
161 extern const buzz::StaticQName QN_COMPONENT;
162 extern const buzz::StaticQName QN_PWD;
163 extern const buzz::StaticQName QN_IP;
164 extern const buzz::StaticQName QN_PORT;
165 extern const buzz::StaticQName QN_NETWORK;
166 extern const buzz::StaticQName QN_GENERATION;
167 extern const buzz::StaticQName QN_PRIORITY;
168 extern const buzz::StaticQName QN_PROTOCOL;
169 extern const char JINGLE_CANDIDATE_TYPE_PEER_STUN[];
170 extern const char JINGLE_CANDIDATE_TYPE_SERVER_STUN[];
171 extern const char JINGLE_CANDIDATE_NAME_RTP[];
172 extern const char JINGLE_CANDIDATE_NAME_RTCP[];
173 
174 extern const char NS_GINGLE_P2P[];
175 extern const buzz::StaticQName QN_GINGLE_P2P_TRANSPORT;
176 extern const buzz::StaticQName QN_GINGLE_P2P_CANDIDATE;
177 extern const buzz::StaticQName QN_GINGLE_P2P_UNKNOWN_CHANNEL_NAME;
178 extern const buzz::StaticQName QN_GINGLE_CANDIDATE;
179 extern const buzz::StaticQName QN_ADDRESS;
180 extern const buzz::StaticQName QN_USERNAME;
181 extern const buzz::StaticQName QN_PASSWORD;
182 extern const buzz::StaticQName QN_PREFERENCE;
183 extern const char GINGLE_CANDIDATE_TYPE_STUN[];
184 extern const char GINGLE_CANDIDATE_NAME_RTP[];
185 extern const char GINGLE_CANDIDATE_NAME_RTCP[];
186 extern const char GINGLE_CANDIDATE_NAME_VIDEO_RTP[];
187 extern const char GINGLE_CANDIDATE_NAME_VIDEO_RTCP[];
188 extern const char GINGLE_CANDIDATE_NAME_DATA_RTP[];
189 extern const char GINGLE_CANDIDATE_NAME_DATA_RTCP[];
190 
191 extern const char NS_GINGLE_RAW[];
192 extern const buzz::StaticQName QN_GINGLE_RAW_TRANSPORT;
193 extern const buzz::StaticQName QN_GINGLE_RAW_CHANNEL;
194 
195 // terminate reasons and errors: see http://xmpp.org/extensions/xep-0166.html
196 extern const char JINGLE_ERROR_BAD_REQUEST[];  // like parse error
197 // got transport-info before session-initiate, for example
198 extern const char JINGLE_ERROR_OUT_OF_ORDER[];
199 extern const char JINGLE_ERROR_UNKNOWN_SESSION[];
200 
201 // Call terminate reasons from XEP-166
202 extern const char STR_TERMINATE_DECLINE[];  // polite reject
203 extern const char STR_TERMINATE_SUCCESS[];  // polite hangup
204 extern const char STR_TERMINATE_ERROR[];  // something bad happened
205 extern const char STR_TERMINATE_INCOMPATIBLE_PARAMETERS[];  // no codecs?
206 
207 // Old terminate reasons used by cricket
208 extern const char STR_TERMINATE_CALL_ENDED[];
209 extern const char STR_TERMINATE_RECIPIENT_UNAVAILABLE[];
210 extern const char STR_TERMINATE_RECIPIENT_BUSY[];
211 extern const char STR_TERMINATE_INSUFFICIENT_FUNDS[];
212 extern const char STR_TERMINATE_NUMBER_MALFORMED[];
213 extern const char STR_TERMINATE_NUMBER_DISALLOWED[];
214 extern const char STR_TERMINATE_PROTOCOL_ERROR[];
215 extern const char STR_TERMINATE_INTERNAL_SERVER_ERROR[];
216 extern const char STR_TERMINATE_UNKNOWN_ERROR[];
217 
218 // Draft view and notify messages.
219 extern const char STR_JINGLE_DRAFT_CONTENT_NAME_VIDEO[];
220 extern const char STR_JINGLE_DRAFT_CONTENT_NAME_AUDIO[];
221 extern const buzz::StaticQName QN_NICK;
222 extern const buzz::StaticQName QN_TYPE;
223 extern const buzz::StaticQName QN_JINGLE_DRAFT_VIEW;
224 extern const char STR_JINGLE_DRAFT_VIEW_TYPE_NONE[];
225 extern const char STR_JINGLE_DRAFT_VIEW_TYPE_STATIC[];
226 extern const buzz::StaticQName QN_JINGLE_DRAFT_PARAMS;
227 extern const buzz::StaticQName QN_WIDTH;
228 extern const buzz::StaticQName QN_HEIGHT;
229 extern const buzz::StaticQName QN_FRAMERATE;
230 extern const buzz::StaticQName QN_JINGLE_DRAFT_STREAM;
231 extern const buzz::StaticQName QN_JINGLE_DRAFT_STREAMS;
232 extern const buzz::StaticQName QN_DISPLAY;
233 extern const buzz::StaticQName QN_CNAME;
234 extern const buzz::StaticQName QN_JINGLE_DRAFT_SSRC;
235 extern const buzz::StaticQName QN_JINGLE_DRAFT_SSRC_GROUP;
236 extern const buzz::StaticQName QN_SEMANTICS;
237 extern const buzz::StaticQName QN_JINGLE_LEGACY_NOTIFY;
238 extern const buzz::StaticQName QN_JINGLE_LEGACY_SOURCE;
239 
240 // old stuff
241 #ifdef FEATURE_ENABLE_VOICEMAIL
242 extern const char NS_VOICEMAIL[];
243 extern const buzz::StaticQName QN_VOICEMAIL_REGARDING;
244 #endif
245 
246 }  // namespace cricket
247 
248 #endif  // TALK_P2P_BASE_CONSTANTS_H_
249