support for setting the URI of a session in SDP

git-svn-id: http://svn.berlios.de/svnroot/repos/sems/trunk@512 8eb893ce-cfd4-0310-b710-fb5ebe64c474

core/AmSdp.cpp

@@ -196,8 +196,11 @@ int AmSdp::genResponse(const string& localip, int localport,
 
   out_buf = 
     "v=0\r\n"
-    "o=username 0 0 IN " + l_ip + "\r\n"
-    "s=session\r\n"
+    "o=- 0 0 IN " + l_ip + "\r\n"
+    "s=session\r\n";
+  if (!uri.empty())
+    out_buf+="u="+uri+"\r\n";
+  out_buf+=
     "c=IN " + l_ip + "\r\n"
     "t=0 0\r\n"
     "m=audio " + int2str(localport) + " RTP/AVP";
@@ -261,8 +264,11 @@ int AmSdp::genRequest(const string& localip,int localport, string& out_buf)
 
   out_buf = 
     "v=0\r\n"
-    "o=username 0 0 IN " + l_ip + "\r\n"
-    "s=session\r\n"
+    "o=- 0 0 IN " + l_ip + "\r\n"
+    "s=session\r\n";
+  if (!uri.empty())
+    out_buf+="u="+uri+"\r\n";
+  out_buf+=
     "c=IN " + l_ip + "\r\n"
     "t=0 0\r\n"
     "m=audio " + int2str(localport) + " RTP/AVP ";

core/AmSdp.h

@@ -149,6 +149,7 @@ public:
   unsigned int     version;     // v=
   SdpOrigin        origin;      // o=
   string           sessionName; // s= 
+  string           uri;         // u=
   SdpConnection    conn;        // c=
   vector<SdpMedia> media;       // m= ... [a=rtpmap:...]+
 

core/AmSession.cpp

@@ -235,6 +235,12 @@ const string& AmSession::getLocalTag() const
   return dlg.local_tag;
 }
 
+void AmSession::setUri(const string& uri)
+{
+  DBG("AmSession::setUri(%s)\n",uri.c_str());
+  sdp.uri = uri;
+}
+
 void AmSession::setLocalTag(const string& tag)
 {
   DBG("AmSession::setLocalTag(%s)\n",tag.c_str());

core/AmSession.h

@@ -285,9 +285,13 @@ public:
 
   /** Gets the Session's local tag */
   const string& getLocalTag() const;
+
   /** Sets the Session's local tag */
   void setLocalTag(const string& tag);
 
+  /** Sets the URI for the session */
+  void setUri(const string& uri);
+
   /** Gets the current RTP payload */
   const vector<SdpPayload*>& getPayloads();
 

doc/CHANGELOG

@@ -1,5 +1,7 @@
 
 Changelog for SEMS 
+ - support for setting the URI of a session in SDP
+
  - early media receiving example
 
  - support for posting events into conferences