Add support for the SPDY session frame.

BUG=34749
TEST=SpdyNetworkTransactionTest.SettingsSaved, SettingsPlayback

Review URL: http://codereview.chromium.org/1595013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@44092 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 46 insertions, 0 deletions

diff --git a/net/spdy/spdy_settings_storage.cc b/net/spdy/spdy_settings_storage.cc
new file mode 100644
index 0000000..68d9cc1
--- /dev/null
+++ b/net/spdy/spdy_settings_storage.cc
@@ -0,0 +1,46 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/spdy/spdy_settings_storage.h"
+
+#include <utility>
+
+namespace net {
+
+SpdySettingsStorage::SpdySettingsStorage() {
+}
+
+const spdy::SpdySettings& SpdySettingsStorage::Get(
+    const HostPortPair& host_port_pair) const {
+  SettingsMap::const_iterator it = settings_map_.find(host_port_pair);
+  if (it == settings_map_.end()) {
+    static const spdy::SpdySettings kEmpty;
+    return kEmpty;
+  }
+  return it->second;
+}
+
+void SpdySettingsStorage::Set(const HostPortPair& host_port_pair,
+                              const spdy::SpdySettings& settings) {
+  spdy::SpdySettings persistent_settings;
+
+  // Iterate through the list, and only copy those settings which are marked
+  // for persistence.
+  spdy::SpdySettings::const_iterator it;
+  for (it = settings.begin(); it != settings.end(); ++it) {
+    spdy::SettingsFlagsAndId id = it->first;
+    if (id.flags() & spdy::SETTINGS_FLAG_PLEASE_PERSIST) {
+      id.set_flags(spdy::SETTINGS_FLAG_PERSISTED);
+      persistent_settings.push_back(std::make_pair(id, it->second));
+    }
+  }
+
+  // If we didn't persist anything, then we are done.
+  if (persistent_settings.empty())
+    return;
+
+  settings_map_[host_port_pair] = persistent_settings;
+}
+
+}  // namespace net
\ No newline at end of file