// Copyright (c) 2006-2008 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 NET_SOCKET_SSL_TEST_UTIL_H_
#define NET_SOCKET_SSL_TEST_UTIL_H_

#include "build/build_config.h"

#include <string>

#include "base/file_path.h"
#include "base/process_util.h"

// TODO(dkegel): share this between net/base and
// chrome/browser without putting it in net.lib

namespace net {

// This object bounds the lifetime of an external python-based HTTP/HTTPS/FTP
// server that can provide various responses useful for testing.
// A few basic convenience methods are provided, but no
// URL handling methods (those belong at a higher layer, e.g. in
// url_request_unittest.h).

class TestServerLauncher {
 public:
  TestServerLauncher();
  TestServerLauncher(int connection_attempts, int connection_timeout);

  virtual ~TestServerLauncher();

  enum Protocol {
    ProtoHTTP, ProtoFTP
  };

  // Load the test root cert, if it hasn't been loaded yet.
  bool LoadTestRootCert();

  // Tells the server to enable/disable servicing each request
  // in a separate process. Takes effect only if called before Start.
  void set_forking(bool forking) { forking_ = forking; }

  // Start src/net/tools/testserver/testserver.py and
  // ask it to serve the given protocol.
  // If protocol is HTTP, and cert_path is not empty, serves HTTPS.
  // file_root_url specifies the root url on the server that documents will be
  // served out of. This is /files/ by default.
  // Returns true on success, false if files not found or root cert
  // not trusted.
  bool Start(Protocol protocol,
             const std::string& host_name, int port,
             const FilePath& document_root,
             const FilePath& cert_path,
             const std::wstring& file_root_url);

  // Stop the server started by Start().
  bool Stop();

  // If you access the server's Kill url, it will exit by itself
  // without a call to Stop().
  // WaitToFinish is handy in that case.
  // It returns true if the server exited cleanly.
  bool WaitToFinish(int milliseconds);

  // Paths to a good, an expired, and an invalid server certificate
  // (use as arguments to Start()).
  FilePath GetOKCertPath();
  FilePath GetExpiredCertPath();

  FilePath GetDocumentRootPath() { return document_root_dir_; }

  // Issuer name of the root cert that should be trusted for the test to work.
  static const wchar_t kCertIssuerName[];

  // Hostname to use for test server
  static const char kHostName[];

  // Different hostname to use for test server (that still resolves to same IP)
  static const char kMismatchedHostName[];

  // Port to use for test server
  static const int kOKHTTPSPort;

  // Port to use for bad test server
  static const int kBadHTTPSPort;

 private:
  // Wait a while for the server to start, return whether
  // we were able to make a connection to it.
  bool WaitToStart(const std::string& host_name, int port);

  // Append to PYTHONPATH so Python can find pyftpdlib and tlslite.
  void SetPythonPath();

  // Path to our test root certificate.
  FilePath GetRootCertPath();

  // Returns false if our test root certificate is not trusted.
  bool CheckCATrusted();

  // Initilize the certificate path.
  void InitCertPath();

  FilePath document_root_dir_;

  FilePath cert_dir_;

  FilePath python_runtime_;

  base::ProcessHandle process_handle_;

  // True if the server should handle each request in a separate process.
  bool forking_;

  // Number of tries and timeout for each try used for WaitToStart.
  int connection_attempts_;
  int connection_timeout_;

#if defined(OS_LINUX)
  struct PrivateCERTCertificate;
  PrivateCERTCertificate *cert_;
#endif

  DISALLOW_COPY_AND_ASSIGN(TestServerLauncher);
};

}

#endif  // NET_SOCKET_SSL_TEST_UTIL_H_