Introduce net::HttpServerPropertiesManager to manage server-specific properties.

net/http/http_server_properties.cc

Index: net/http/http_server_properties.cc
===================================================================
--- net/http/http_server_properties.cc	(revision 0)
+++ net/http/http_server_properties.cc	(revision 0)
@@ -0,0 +1,77 @@
+// Copyright (c) 2011 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/http/http_server_properties.h"
+
+#include "base/stl_util.h"
+#include "base/stringprintf.h"
+
+namespace net {
+
+HttpServerProperties::HttpServerProperties() {
+}
+
+HttpServerProperties::~HttpServerProperties() {
+}
+
+void HttpServerProperties::Initialize(StringVector* spdy_servers,
+                                      bool support_spdy) {
+  spdy_servers_table_.clear();
+  scoped_ptr<StringVector> scoped_spdy_servers(spdy_servers);
+  for (StringVector::iterator it = spdy_servers->begin();
+       it != spdy_servers->end(); ++it) {
+    spdy_servers_table_[*it] = support_spdy;
+  }
+}
+
+bool HttpServerProperties::SupportsSpdy(
+    const net::HostPortPair& host_port_pair) {
+  if (host_port_pair.host().empty())
+    return false;
+  std::string spdy_server;
+  GetFlattenedSpdyServer(host_port_pair, spdy_server);
+
+  SpdyServerHostPortTable::const_iterator spdy_host_port =
+      spdy_servers_table_.find(spdy_server);
+  if (spdy_host_port != spdy_servers_table_.end())
+    return spdy_host_port->second;
+  return false;
+}
+
+void HttpServerProperties::SetSupportsSpdy(
+    const net::HostPortPair& host_port_pair,
+    bool support_spdy) {
+  std::string spdy_server;
+  GetFlattenedSpdyServer(host_port_pair, spdy_server);
+
+  SpdyServerHostPortTable::iterator spdy_host_port =
+      spdy_servers_table_.find(spdy_server);
+  if ((spdy_host_port != spdy_servers_table_.end()) &&
+      (spdy_host_port->second == support_spdy)) {
+    return;
+  }
+  // Cache the data.
+  spdy_servers_table_[spdy_server] = support_spdy;
+}
+
+void HttpServerProperties::GetSpdyServerList(
+    base::ListValue* spdy_server_list) {
+  // Get the list of servers (host/port) that support SPDY.
+  for (SpdyServerHostPortTable::iterator it = spdy_servers_table_.begin();
+       it != spdy_servers_table_.end(); ++it) {
+    const std::string spdy_server_host_port = it->first;
+    if (it->second)
+      spdy_server_list->Append(new StringValue(spdy_server_host_port));
+  }
+}
+
+void HttpServerProperties::GetFlattenedSpdyServer(
+    const net::HostPortPair& host_port_pair,
+    std::string& spdy_server) {
+  spdy_server.append(host_port_pair.host());
+  spdy_server.append(":");
+  base::StringAppendF(&spdy_server, "%d", host_port_pair.port());
+}
+
+}  // namespace net