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Diffstat (limited to 'src/rtcpsdesinfo.cpp')
| -rw-r--r-- | src/rtcpsdesinfo.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/rtcpsdesinfo.cpp b/src/rtcpsdesinfo.cpp new file mode 100644 index 0000000..c2611c4 --- /dev/null +++ b/src/rtcpsdesinfo.cpp @@ -0,0 +1,177 @@ +/* + + This file is a part of JRTPLIB + Copyright (c) 1999-2007 Jori Liesenborgs + + Contact: jori.liesenborgs@gmail.com + + This library was developed at the "Expertisecentrum Digitale Media" + (http://www.edm.uhasselt.be), a research center of the Hasselt University + (http://www.uhasselt.be). The library is based upon work done for + my thesis at the School for Knowledge Technology (Belgium/The Netherlands). + + Permission is hereby granted, free of charge, to any person obtaining a + copy of this software and associated documentation files (the "Software"), + to deal in the Software without restriction, including without limitation + the rights to use, copy, modify, merge, publish, distribute, sublicense, + and/or sell copies of the Software, and to permit persons to whom the + Software is furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + IN THE SOFTWARE. + +*/ + +#include "rtcpsdesinfo.h" + +#include "rtpdebug.h" + +void RTCPSDESInfo::Clear() +{ +#ifdef RTP_SUPPORT_SDESPRIV + std::list<SDESPrivateItem *>::const_iterator it; + + for (it = privitems.begin() ; it != privitems.end() ; ++it) + RTPDelete(*it,GetMemoryManager()); + privitems.clear(); +#endif // RTP_SUPPORT_SDESPRIV +} + +#ifdef RTP_SUPPORT_SDESPRIV +int RTCPSDESInfo::SetPrivateValue(const uint8_t *prefix,size_t prefixlen,const uint8_t *value,size_t valuelen) +{ + std::list<SDESPrivateItem *>::const_iterator it; + bool found; + + found = false; + it = privitems.begin(); + while (!found && it != privitems.end()) + { + uint8_t *p; + size_t l; + + p = (*it)->GetPrefix(&l); + if (l == prefixlen) + { + if (l <= 0) + found = true; + else if (memcmp(prefix,p,l) == 0) + found = true; + else + ++it; + } + else + ++it; + } + + SDESPrivateItem *item; + + if (found) // replace the value for this entry + item = *it; + else // no entry for this prefix found... add it + { + if (privitems.size() >= RTP_MAXPRIVITEMS) // too many items present, just ignore it + return ERR_RTP_SDES_MAXPRIVITEMS; + + int status; + + item = RTPNew(GetMemoryManager(),RTPMEM_TYPE_CLASS_SDESPRIVATEITEM) SDESPrivateItem(GetMemoryManager()); + if (item == 0) + return ERR_RTP_OUTOFMEM; + if ((status = item->SetPrefix(prefix,prefixlen)) < 0) + { + RTPDelete(item,GetMemoryManager()); + return status; + } + privitems.push_front(item); + } + return item->SetInfo(value,valuelen); +} + +int RTCPSDESInfo::DeletePrivatePrefix(const uint8_t *prefix,size_t prefixlen) +{ + std::list<SDESPrivateItem *>::iterator it; + bool found; + + found = false; + it = privitems.begin(); + while (!found && it != privitems.end()) + { + uint8_t *p; + size_t l; + + p = (*it)->GetPrefix(&l); + if (l == prefixlen) + { + if (l <= 0) + found = true; + else if (memcmp(prefix,p,l) == 0) + found = true; + else + ++it; + } + else + ++it; + } + if (!found) + return ERR_RTP_SDES_PREFIXNOTFOUND; + + RTPDelete(*it,GetMemoryManager()); + privitems.erase(it); + return 0; +} + +void RTCPSDESInfo::GotoFirstPrivateValue() +{ + curitem = privitems.begin(); +} + +bool RTCPSDESInfo::GetNextPrivateValue(uint8_t **prefix,size_t *prefixlen,uint8_t **value,size_t *valuelen) +{ + if (curitem == privitems.end()) + return false; + *prefix = (*curitem)->GetPrefix(prefixlen); + *value = (*curitem)->GetInfo(valuelen); + ++curitem; + return true; +} + +bool RTCPSDESInfo::GetPrivateValue(const uint8_t *prefix,size_t prefixlen,uint8_t **value,size_t *valuelen) const +{ + std::list<SDESPrivateItem *>::const_iterator it; + bool found; + + found = false; + it = privitems.begin(); + while (!found && it != privitems.end()) + { + uint8_t *p; + size_t l; + + p = (*it)->GetPrefix(&l); + if (l == prefixlen) + { + if (l <= 0) + found = true; + else if (memcmp(prefix,p,l) == 0) + found = true; + else + ++it; + } + else + ++it; + } + if (found) + *value = (*it)->GetInfo(valuelen); + return found; +} +#endif // RTP_SUPPORT_SDESPRIV + |