webrtc/talk/p2p/base/sessiondescription.cc

240 lines
7.5 KiB
C++

/*
* libjingle
* Copyright 2010, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "talk/p2p/base/sessiondescription.h"
#include "webrtc/libjingle/xmllite/xmlelement.h"
namespace cricket {
ContentInfo* FindContentInfoByName(
ContentInfos& contents, const std::string& name) {
for (ContentInfos::iterator content = contents.begin();
content != contents.end(); ++content) {
if (content->name == name) {
return &(*content);
}
}
return NULL;
}
const ContentInfo* FindContentInfoByName(
const ContentInfos& contents, const std::string& name) {
for (ContentInfos::const_iterator content = contents.begin();
content != contents.end(); ++content) {
if (content->name == name) {
return &(*content);
}
}
return NULL;
}
const ContentInfo* FindContentInfoByType(
const ContentInfos& contents, const std::string& type) {
for (ContentInfos::const_iterator content = contents.begin();
content != contents.end(); ++content) {
if (content->type == type) {
return &(*content);
}
}
return NULL;
}
const std::string* ContentGroup::FirstContentName() const {
return (!content_names_.empty()) ? &(*content_names_.begin()) : NULL;
}
bool ContentGroup::HasContentName(const std::string& content_name) const {
return (std::find(content_names_.begin(), content_names_.end(),
content_name) != content_names_.end());
}
void ContentGroup::AddContentName(const std::string& content_name) {
if (!HasContentName(content_name)) {
content_names_.push_back(content_name);
}
}
bool ContentGroup::RemoveContentName(const std::string& content_name) {
ContentNames::iterator iter = std::find(
content_names_.begin(), content_names_.end(), content_name);
if (iter == content_names_.end()) {
return false;
}
content_names_.erase(iter);
return true;
}
SessionDescription* SessionDescription::Copy() const {
SessionDescription* copy = new SessionDescription(*this);
// Copy all ContentDescriptions.
for (ContentInfos::iterator content = copy->contents_.begin();
content != copy->contents().end(); ++content) {
content->description = content->description->Copy();
}
return copy;
}
const ContentInfo* SessionDescription::GetContentByName(
const std::string& name) const {
return FindContentInfoByName(contents_, name);
}
ContentInfo* SessionDescription::GetContentByName(
const std::string& name) {
return FindContentInfoByName(contents_, name);
}
const ContentDescription* SessionDescription::GetContentDescriptionByName(
const std::string& name) const {
const ContentInfo* cinfo = FindContentInfoByName(contents_, name);
if (cinfo == NULL) {
return NULL;
}
return cinfo->description;
}
ContentDescription* SessionDescription::GetContentDescriptionByName(
const std::string& name) {
ContentInfo* cinfo = FindContentInfoByName(contents_, name);
if (cinfo == NULL) {
return NULL;
}
return cinfo->description;
}
const ContentInfo* SessionDescription::FirstContentByType(
const std::string& type) const {
return FindContentInfoByType(contents_, type);
}
const ContentInfo* SessionDescription::FirstContent() const {
return (contents_.empty()) ? NULL : &(*contents_.begin());
}
void SessionDescription::AddContent(const std::string& name,
const std::string& type,
ContentDescription* description) {
contents_.push_back(ContentInfo(name, type, description));
}
void SessionDescription::AddContent(const std::string& name,
const std::string& type,
bool rejected,
ContentDescription* description) {
contents_.push_back(ContentInfo(name, type, rejected, description));
}
bool SessionDescription::RemoveContentByName(const std::string& name) {
for (ContentInfos::iterator content = contents_.begin();
content != contents_.end(); ++content) {
if (content->name == name) {
delete content->description;
contents_.erase(content);
return true;
}
}
return false;
}
bool SessionDescription::AddTransportInfo(const TransportInfo& transport_info) {
if (GetTransportInfoByName(transport_info.content_name) != NULL) {
return false;
}
transport_infos_.push_back(transport_info);
return true;
}
bool SessionDescription::RemoveTransportInfoByName(const std::string& name) {
for (TransportInfos::iterator transport_info = transport_infos_.begin();
transport_info != transport_infos_.end(); ++transport_info) {
if (transport_info->content_name == name) {
transport_infos_.erase(transport_info);
return true;
}
}
return false;
}
const TransportInfo* SessionDescription::GetTransportInfoByName(
const std::string& name) const {
for (TransportInfos::const_iterator iter = transport_infos_.begin();
iter != transport_infos_.end(); ++iter) {
if (iter->content_name == name) {
return &(*iter);
}
}
return NULL;
}
TransportInfo* SessionDescription::GetTransportInfoByName(
const std::string& name) {
for (TransportInfos::iterator iter = transport_infos_.begin();
iter != transport_infos_.end(); ++iter) {
if (iter->content_name == name) {
return &(*iter);
}
}
return NULL;
}
void SessionDescription::RemoveGroupByName(const std::string& name) {
for (ContentGroups::iterator iter = content_groups_.begin();
iter != content_groups_.end(); ++iter) {
if (iter->semantics() == name) {
content_groups_.erase(iter);
break;
}
}
}
bool SessionDescription::HasGroup(const std::string& name) const {
for (ContentGroups::const_iterator iter = content_groups_.begin();
iter != content_groups_.end(); ++iter) {
if (iter->semantics() == name) {
return true;
}
}
return false;
}
const ContentGroup* SessionDescription::GetGroupByName(
const std::string& name) const {
for (ContentGroups::const_iterator iter = content_groups_.begin();
iter != content_groups_.end(); ++iter) {
if (iter->semantics() == name) {
return &(*iter);
}
}
return NULL;
}
} // namespace cricket