developer.intra2net.com Git - libt2n/blob - src/socket_client.hxx

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Gerd v. Egidy                                   *
   3  *   gve@intra2net.com                                                     *
   4  *                                                                         *
   5  *   This library is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU Lesser General Public License version   *
   7  *   2.1 as published by the Free Software Foundation.                     *
   8  *                                                                         *
   9  *   This library is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU Lesser General Public License for more details.                   *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU Lesser General Public      *
  15  *   License along with this program; if not, write to the                 *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  18  ***************************************************************************/
  19 #ifndef __LIBT2N_SOCKET_CLIENT
  20 #define __LIBT2N_SOCKET_CLIENT
  21
  22 #include "client.hxx"
  23 #include "socket_handler.hxx"
  24
  25 namespace libt2n
  26 {
  27 /** @brief a connection from client to server using sockets.
  28
  29     Use this class to connect from a client to a server.
  30  */
  31 class socket_client_connection : public client_connection, public socket_handler
  32 {
  33     public:
  34         static const int max_retries_default=3;
  35
  36     private:
  37         void real_write(const std::string& data)
  38             { socket_write(data); }
  39
  40         void connect();
  41
  42         int max_retries;
  43
  44         std::string path;
  45         std::string server;
  46         int port;
  47
  48         std::ostream* get_logstream(log_level_values level)
  49             { return client_connection::get_logstream(level); }
  50
  51     public:
  52         socket_client_connection(const std::string& _server, int _port, int _max_retries=max_retries_default);
  53         socket_client_connection(const std::string& _path, int _max_retries=max_retries_default);
  54
  55         /** @brief read data from the socket and copy it into buffer
  56             @param usec_timeout wait until new data is found, max timeout usecs.
  57                     -1: wait endless
  58                     NULL: no timeout
  59             @retval true if new data was found (does not mean that the received data
  60                     is a complete packet though)
  61         */
  62         bool fill_buffer(long long usec_timeout=-1)
  63             { return socket_handler::fill_buffer(buffer,usec_timeout); }
  64
  65         void close();
  66 };
  67
  68 }
  69
  70 #endif