Merge pull request #1496 from aronrosenberg/patch-1

Add sessionId() accessor on Description class

include/rtc/description.hpp

@@ -293,6 +293,8 @@ public:
 	static Type stringToType(const string &typeString);
 	static string typeToString(Type type);
 
+	string sessionId() const;
+
 private:
 	optional<Candidate> defaultCandidate() const;
 	shared_ptr<Entry> createEntry(string mline, string mid, Direction dir);

src/description.cpp

@@ -542,6 +542,8 @@ variant<const Description::Media *, const Description::Application *> Descriptio
 
 int Description::mediaCount() const { return int(mEntries.size()); }
 
+string Description::sessionId() const { return mSessionId; }
+
 Description::Entry::Entry(const string &mline, string mid, Direction dir)
     : mMid(std::move(mid)), mDirection(dir) {