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      1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef NET_BASE_LISTEN_SOCKET_UNITTEST_H_
      6 #define NET_BASE_LISTEN_SOCKET_UNITTEST_H_
      7 
      8 #include "build/build_config.h"
      9 
     10 #if defined(OS_WIN)
     11 #include <winsock2.h>
     12 #elif defined(OS_POSIX)
     13 #include <sys/socket.h>
     14 #include <errno.h>
     15 #include <semaphore.h>
     16 #include <arpa/inet.h>
     17 #endif
     18 
     19 #include "base/thread.h"
     20 #include "base/basictypes.h"
     21 #include "base/message_loop.h"
     22 #include "base/string_util.h"
     23 #include "base/thread.h"
     24 #include "net/base/net_util.h"
     25 #include "net/base/listen_socket.h"
     26 #include "net/base/winsock_init.h"
     27 #include "testing/gtest/include/gtest/gtest.h"
     28 
     29 #if defined(OS_POSIX)
     30 // Used same name as in Windows to avoid #ifdef where refrenced
     31 #define SOCKET int
     32 const int INVALID_SOCKET = -1;
     33 const int SOCKET_ERROR = -1;
     34 #endif
     35 
     36 enum ActionType {
     37   ACTION_NONE = 0,
     38   ACTION_LISTEN = 1,
     39   ACTION_ACCEPT = 2,
     40   ACTION_READ = 3,
     41   ACTION_SEND = 4,
     42   ACTION_CLOSE = 5,
     43   ACTION_SHUTDOWN = 6
     44 };
     45 
     46 class ListenSocketTestAction {
     47  public:
     48   ListenSocketTestAction() : action_(ACTION_NONE) {}
     49   explicit ListenSocketTestAction(ActionType action) : action_(action) {}
     50   ListenSocketTestAction(ActionType action, std::string data)
     51       : action_(action),
     52         data_(data) {}
     53 
     54   const std::string data() const { return data_; }
     55   const ActionType type() const { return action_; }
     56 
     57  private:
     58   ActionType action_;
     59   std::string data_;
     60 };
     61 
     62 
     63 // This had to be split out into a separate class because I couldn't
     64 // make a the testing::Test class refcounted.
     65 class ListenSocketTester :
     66     public ListenSocket::ListenSocketDelegate,
     67     public base::RefCountedThreadSafe<ListenSocketTester> {
     68 
     69  protected:
     70   friend class base::RefCountedThreadSafe<ListenSocketTester>;
     71 
     72   virtual ~ListenSocketTester() {}
     73 
     74   virtual ListenSocket* DoListen();
     75 
     76  public:
     77   ListenSocketTester()
     78       : thread_(NULL),
     79         loop_(NULL),
     80         server_(NULL),
     81         connection_(NULL){
     82   }
     83 
     84   virtual void SetUp();
     85   virtual void TearDown();
     86 
     87   void ReportAction(const ListenSocketTestAction& action);
     88   bool NextAction(int timeout);
     89 
     90   // read all pending data from the test socket
     91   int ClearTestSocket();
     92   // Release the connection and server sockets
     93   void Shutdown();
     94   void Listen();
     95   void SendFromTester();
     96   virtual void DidAccept(ListenSocket *server, ListenSocket *connection);
     97   virtual void DidRead(ListenSocket *connection, const std::string& data);
     98   virtual void DidClose(ListenSocket *sock);
     99   virtual bool Send(SOCKET sock, const std::string& str);
    100   // verify the send/read from client to server
    101   void TestClientSend();
    102   // verify send/read of a longer string
    103   void TestClientSendLong();
    104   // verify a send/read from server to client
    105   void TestServerSend();
    106 
    107 #if defined(OS_WIN)
    108   CRITICAL_SECTION lock_;
    109   HANDLE semaphore_;
    110 #elif defined(OS_POSIX)
    111   pthread_mutex_t lock_;
    112   sem_t* semaphore_;
    113 #endif
    114 
    115   scoped_ptr<base::Thread> thread_;
    116   MessageLoopForIO* loop_;
    117   ListenSocket* server_;
    118   ListenSocket* connection_;
    119   ListenSocketTestAction last_action_;
    120   std::deque<ListenSocketTestAction> queue_;
    121   SOCKET test_socket_;
    122   static const int kTestPort;
    123 };
    124 
    125 #endif  // NET_BASE_LISTEN_SOCKET_UNITTEST_H_
    126