Added send-thresholding and fixed text packet dumping.

talk/media/sctp/sctpdataengine.h

Index: talk/media/sctp/sctpdataengine.h
diff --git a/talk/media/sctp/sctpdataengine.h b/talk/media/sctp/sctpdataengine.h
index 86bfa37a48c10dca4c3f5b0cad9a330d27aea10e..c849e36c377432a528847228d099973d30856d8c 100644
--- a/talk/media/sctp/sctpdataengine.h
+++ b/talk/media/sctp/sctpdataengine.h
@@ -64,6 +64,8 @@ const uint32 kMaxSctpSid = 1023;
 // usrsctp.h)
 const int kSctpDefaultPort = 5000;
 
+class SctpDataMediaChannel;
+
 // A DataEngine that interacts with usrsctp.
 //
 // From channel calls, data flows like this:
@@ -94,7 +96,6 @@ class SctpDataEngine : public DataEngineInterface {
   virtual ~SctpDataEngine();
 
   virtual DataMediaChannel* CreateChannel(DataChannelType data_channel_type);
-
   virtual const std::vector<DataCodec>& data_codecs() { return codecs_; }
 
  private:
@@ -189,7 +190,9 @@ class SctpDataMediaChannel : public DataMediaChannel,
   }
   const std::string& debug_name() const { return debug_name_; }
 
+  const struct socket* socket() { return sock_; }
  private:
+  static std::vector<SctpDataMediaChannel*> sock_channel_map_;
   sockaddr_conn GetSctpSockAddr(int port);
 
   // Creates the socket and connects. Sets sending_ to true.
@@ -222,6 +225,9 @@ class SctpDataMediaChannel : public DataMediaChannel,
 
   void OnStreamResetEvent(const struct sctp_stream_reset_event* evt);
 
+  static int SendThresholdCallback(struct socket* sock, uint32_t sb_free);
+  static SctpDataMediaChannel* GetSctpChannel(struct socket* sock);

[pthatcher1, 2015/08/18 21:51:53]

This looks like it's never called or implemented.  Did you mean to remove it?

[lally1, 2015/08/24 15:46:39]

Yup.  Removed.

+
   // Responsible for marshalling incoming data to the channels listeners, and
   // outgoing data to the network interface.
   rtc::Thread* worker_thread_;