// Copyright 2018 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.

#ifndef SERVICES_NETWORK_PROXY_RESOLVING_CLIENT_SOCKET_FACTORY_H_
#define SERVICES_NETWORK_PROXY_RESOLVING_CLIENT_SOCKET_FACTORY_H_

#include <memory>

#include "base/component_export.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "net/ssl/ssl_config.h"
#include "url/gurl.h"

namespace net {
class HttpNetworkSession;
class URLRequestContext;
}  // namespace net

namespace network {

class ProxyResolvingClientSocket;

class COMPONENT_EXPORT(NETWORK_SERVICE) ProxyResolvingClientSocketFactory {
 public:
  // Constructs a ProxyResolvingClientSocketFactory. This factory shares
  // network session params with |request_context|, but keeps separate socket
  // pools by instantiating and owning a separate |network_session_|.
  explicit ProxyResolvingClientSocketFactory(
      net::URLRequestContext* request_context);
  ~ProxyResolvingClientSocketFactory();

  // Creates a socket. |url|'s host and port specify where a connection will be
  // established to. The full URL will be only used for proxy resolution. Caller
  // doesn't need to explicitly sanitize the url, any sensitive data (like
  // embedded usernames and passwords), and local data (i.e. reference fragment)
  // will be sanitized by net::ProxyService::ResolveProxyHelper() before the url
  // is disclosed to the proxy. If |use_tls|, TLS connect will be used in
  // addition to TCP connect. The URLRequestContext's SSL configurations will be
  // respected when establishing a TLS connection.
  std::unique_ptr<ProxyResolvingClientSocket> CreateSocket(const GURL& url,
                                                           bool use_tls);

  const net::HttpNetworkSession* network_session() const {
    return network_session_.get();
  }

 private:
  std::unique_ptr<net::HttpNetworkSession> network_session_;
  net::URLRequestContext* request_context_;

  DISALLOW_COPY_AND_ASSIGN(ProxyResolvingClientSocketFactory);
};

}  // namespace network

#endif  // SERVICES_NETWORK_PROXY_RESOLVING_CLIENT_SOCKET_FACTORY_H_