git.m6w6.name Git - awesomized/libmemcached/blob - libtest/cmdline.h

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  libtest
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *
   7  *  This library is free software; you can redistribute it and/or
   8  *  modify it under the terms of the GNU Lesser General Public
   9  *  License as published by the Free Software Foundation; either
  10  *  version 3 of the License, or (at your option) any later version.
  11  *
  12  *  This library is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  *  Lesser General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU Lesser General Public
  18  *  License along with this library; if not, write to the Free Software
  19  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  20  */
  21
  22 #pragma once
  23
  24 #include <spawn.h>
  25
  26 namespace libtest {
  27
  28 class Application {
  29 private:
  30   typedef std::vector< std::pair<std::string, std::string> > Options;
  31
  32 public:
  33
  34   enum error_t {
  35     SUCCESS= EXIT_SUCCESS,
  36     FAILURE= EXIT_FAILURE,
  37     INVALID= 127
  38   };
  39
  40   class Pipe {
  41   public:
  42     Pipe(int);
  43     ~Pipe();
  44
  45     int fd();
  46
  47     enum close_t {
  48       READ= 0,
  49       WRITE= 1
  50     };
  51
  52     void reset();
  53     void close(const close_t& arg);
  54     void dup_for_spawn(const close_t& arg,
  55                        posix_spawn_file_actions_t& file_actions);
  56
  57     void nonblock();
  58     void cloexec();
  59     bool read(libtest::vchar_t&);
  60
  61   private:
  62     const int _std_fd;
  63     int _pipe_fd[2];
  64     bool _open[2];
  65   };
  66
  67 public:
  68   Application(const std::string& arg, const bool _use_libtool_arg= false);
  69
  70   virtual ~Application();
  71
  72   void add_option(const std::string&);
  73   void add_option(const std::string&, const std::string&);
  74   void add_long_option(const std::string& option_name, const std::string& option_value);
  75   error_t run(const char *args[]= NULL);
  76   error_t wait(bool nohang= true);
  77
  78   libtest::vchar_t stdout_result() const
  79   {
  80     return _stdout_buffer;
  81   }
  82
  83   size_t stdout_result_length() const
  84   {
  85     return _stdout_buffer.size();
  86   }
  87
  88   libtest::vchar_t stderr_result() const
  89   {
  90     return _stderr_buffer;
  91   }
  92
  93   size_t stderr_result_length() const
  94   {
  95     return _stderr_buffer.size();
  96   }
  97
  98   std::string print();
  99
 100   void use_valgrind(bool arg= true)
 101   {
 102     _use_valgrind= arg;
 103   }
 104
 105   bool check() const;
 106
 107   bool slurp();
 108   void murder();
 109
 110   void use_gdb(bool arg= true)
 111   {
 112     _use_gdb= arg;
 113   }
 114
 115   std::string arguments();
 116
 117   std::string gdb_filename()
 118   {
 119     return  _gdb_filename;
 120   }
 121
 122   pid_t pid() const
 123   {
 124     return _pid;
 125   }
 126
 127 private:
 128   void create_argv(const char *args[]);
 129   void delete_argv();
 130
 131 private:
 132   const bool _use_libtool;
 133   bool _use_valgrind;
 134   bool _use_gdb;
 135   size_t _argc;
 136   std::string _exectuble_name;
 137   std::string _exectuble;
 138   std::string _exectuble_with_path;
 139   std::string _gdb_filename;
 140   Options _options;
 141   Pipe stdin_fd;
 142   Pipe stdout_fd;
 143   Pipe stderr_fd;
 144   char * * built_argv;
 145   pid_t _pid;
 146   libtest::vchar_t _stdout_buffer;
 147   libtest::vchar_t _stderr_buffer;
 148 };
 149
 150 static inline std::ostream& operator<<(std::ostream& output, const enum Application::error_t &arg)
 151 {
 152   switch (arg)
 153   {
 154     case Application::SUCCESS:
 155       output << "EXIT_SUCCESS";
 156       break;
 157
 158     case Application::FAILURE:
 159       output << "EXIT_FAILURE";
 160       break;
 161
 162     case Application::INVALID:
 163       output << "127";
 164       break;
 165
 166     default:
 167       output << "EXIT_UNKNOWN";
 168   }
 169
 170   return output;
 171 }
 172
 173 int exec_cmdline(const std::string& executable, const char *args[], bool use_libtool= false);
 174
 175 const char *gearmand_binary();
 176
 177 }