git.m6w6.name Git - awesomized/libmemcached/blob - libtest/client.hpp

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Data Differential YATL (i.e. libtest)  library
   4  *
   5  *  Copyright (C) 2012 Data Differential, http://datadifferential.com/
   6  *
   7  *  Redistribution and use in source and binary forms, with or without
   8  *  modification, are permitted provided that the following conditions are
   9  *  met:
  10  *
  11  *      * Redistributions of source code must retain the above copyright
  12  *  notice, this list of conditions and the following disclaimer.
  13  *
  14  *      * Redistributions in binary form must reproduce the above
  15  *  copyright notice, this list of conditions and the following disclaimer
  16  *  in the documentation and/or other materials provided with the
  17  *  distribution.
  18  *
  19  *      * The names of its contributors may not be used to endorse or
  20  *  promote products derived from this software without specific prior
  21  *  written permission.
  22  *
  23  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  24  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  25  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  26  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  27  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  28  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  29  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  30  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  31  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34  *
  35  */
  36
  37 #pragma once
  38
  39 namespace libtest {
  40
  41 class SimpleClient {
  42 public:
  43   SimpleClient(const std::string& hostname_, in_port_t port_);
  44   ~SimpleClient();
  45
  46   bool send_data(const libtest::vchar_t&, libtest::vchar_t&);
  47   bool send_message(const std::string&);
  48   bool send_message(const std::string&, std::string&);
  49   bool response(std::string&);
  50   bool response(libtest::vchar_t&);
  51
  52   bool is_valid();
  53
  54   const std::string& error() const
  55   {
  56     return _error;
  57   }
  58
  59   bool is_error() const
  60   {
  61     return _error.size() ? true : false;
  62   }
  63
  64 private: // Methods
  65   void close_socket();
  66   bool instance_connect();
  67   struct addrinfo* lookup();
  68   bool message(const char* ptr, const size_t len);
  69   bool ready(int event_);
  70
  71 private:
  72   bool _is_connected;
  73   std::string _hostname;
  74   in_port_t _port;
  75   int sock_fd;
  76   std::string _error;
  77   int requested_message;
  78 };
  79
  80 } // namespace libtest