From 21c7ff9afa9017603dd43007ce98939c2676a2c6 Mon Sep 17 00:00:00 2001
From: "sergeyu@chromium.org"
 <sergeyu@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Tue, 6 Sep 2011 18:43:00 +0000
Subject: Add TCP configuration parameters for Transport API.

BUG=91439
TEST=None

Review URL: http://codereview.chromium.org/7820008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@99776 0039d316-1c4b-4281-b951-d872f2087c98
---
 webkit/glue/p2p_transport.cc               |  4 +++-
 webkit/glue/p2p_transport.h                |  6 ++++++
 webkit/plugins/ppapi/ppb_transport_impl.cc | 26 +++++++++++++++++++++++++-
 3 files changed, 34 insertions(+), 2 deletions(-)

(limited to 'webkit')

diff --git a/webkit/glue/p2p_transport.cc b/webkit/glue/p2p_transport.cc
index 33d824f..a4c518b 100644
--- a/webkit/glue/p2p_transport.cc
+++ b/webkit/glue/p2p_transport.cc
@@ -10,7 +10,9 @@ P2PTransport::Config::Config()
     : stun_server_port(0),
       relay_server_port(0),
       tcp_receive_window(0),
-      tcp_send_window(0) {
+      tcp_send_window(0),
+      tcp_no_delay(false),
+      tcp_ack_delay_ms(0) {
 }
 
 P2PTransport::Config::~Config() {
diff --git a/webkit/glue/p2p_transport.h b/webkit/glue/p2p_transport.h
index 652117e..7795344 100644
--- a/webkit/glue/p2p_transport.h
+++ b/webkit/glue/p2p_transport.h
@@ -62,6 +62,12 @@ class P2PTransport {
     // TCP window sizes. Default size is used when set to 0.
     int tcp_receive_window;
     int tcp_send_window;
+
+    // Disables Neagle's algorithm when set to true.
+    bool tcp_no_delay;
+
+    // TCP ACK delay.
+    int tcp_ack_delay_ms;
   };
 
   virtual ~P2PTransport() {}
diff --git a/webkit/plugins/ppapi/ppb_transport_impl.cc b/webkit/plugins/ppapi/ppb_transport_impl.cc
index f9d9cc1..e7779aa 100644
--- a/webkit/plugins/ppapi/ppb_transport_impl.cc
+++ b/webkit/plugins/ppapi/ppb_transport_impl.cc
@@ -33,6 +33,8 @@ const char kTcpProtocolName[] = "tcp";
 
 const int kMinBufferSize = 1024;
 const int kMaxBufferSize = 1024 * 1024;
+const int kMinAckDelay = 10;
+const int kMaxAckDelay = 1000;
 
 int MapNetError(int result) {
   if (result > 0)
@@ -170,6 +172,29 @@ int32_t PPB_Transport_Impl::SetProperty(PP_TransportProperty property,
       break;
     }
 
+    case PP_TRANSPORTPROPERTY_TCP_NO_DELAY: {
+      if (!use_tcp_)
+        return PP_ERROR_BADARGUMENT;
+
+      if (value.type != PP_VARTYPE_BOOL)
+        return PP_ERROR_BADARGUMENT;
+      config_.tcp_no_delay = PP_ToBool(value.value.as_bool);
+      break;
+    }
+
+    case PP_TRANSPORTPROPERTY_TCP_ACK_DELAY: {
+      if (!use_tcp_)
+        return PP_ERROR_BADARGUMENT;
+
+      int32_t int_value = value.value.as_int;
+      if (value.type != PP_VARTYPE_INT32 || int_value < kMinAckDelay ||
+          int_value > kMaxAckDelay) {
+        return PP_ERROR_BADARGUMENT;
+      }
+      config_.tcp_ack_delay_ms = int_value;
+      break;
+    }
+
     default:
       return PP_ERROR_BADARGUMENT;
   }
@@ -299,7 +324,6 @@ int32_t PPB_Transport_Impl::Close() {
 
   p2p_transport_.reset();
 
-
   PluginModule* plugin_module = ResourceHelper::GetPluginModule(this);
   if (plugin_module)
     plugin_module->GetCallbackTracker()->AbortAll();
-- 
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