Cast: Increase UDP socket send buffer size

media/cast/net/udp_transport.cc

Index: media/cast/net/udp_transport.cc
diff --git a/media/cast/net/udp_transport.cc b/media/cast/net/udp_transport.cc
index fa9be469ed4a255117a2879577ecc271bf793f89..e40234f98a9a42d0c40a2213891ffb7949b5dd6e 100644
--- a/media/cast/net/udp_transport.cc
+++ b/media/cast/net/udp_transport.cc
@@ -42,6 +42,7 @@ UdpTransport::UdpTransport(
     const scoped_refptr<base::SingleThreadTaskRunner>& io_thread_proxy,
     const net::IPEndPoint& local_end_point,
     const net::IPEndPoint& remote_end_point,
+    int32 send_buffer_size,
     const CastTransportStatusCallback& status_callback)
     : io_thread_proxy_(io_thread_proxy),
       local_addr_(local_end_point),
@@ -54,6 +55,7 @@ UdpTransport::UdpTransport(
       receive_pending_(false),
       client_connected_(false),
       next_dscp_value_(net::DSCP_NO_CHANGE),
+      send_buffer_size_(send_buffer_size),
       status_callback_(status_callback),
       bytes_sent_(0),
       weak_factory_(this) {
@@ -85,6 +87,9 @@ void UdpTransport::StartReceiving(
   } else {
     NOTREACHED() << "Either local or remote address has to be defined.";
   }
+  if (udp_socket_->SetSendBufferSize(send_buffer_size_) != net::OK) {
+    VLOG(1) << "Failed to set socket send buffer size.";
+  }
 
   ScheduleReceiveNextPacket();
 }
@@ -229,7 +234,7 @@ void UdpTransport::OnSent(const scoped_refptr<net::IOBuffer>& buf,
 
   send_pending_ = false;
   if (result < 0) {
-    VLOG(1) << "Failed to send packet: " << result << ".";
+    LOG(WARNING) << "Failed to send packet: " << result << ".";

[miu, 2014/10/17 20:20:42]

Not here!  ;-)

You meant to change line 91 instead, right?

[Alpha Left Google, 2014/10/17 20:24:57]

Doh I must be too sleepy.

   }
   ScheduleReceiveNextPacket();