xapian-core/net/remotetcpclient.cc

   1 /** @file
   2  *  @brief TCP/IP socket based RemoteDatabase implementation
   3  */
   4 /* Copyright (C) 2008,2010 Olly Betts
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include <config.h>
  22
  23 #include "remotetcpclient.h"
  24
  25 #include <xapian/error.h>
  26
  27 #include "str.h"
  28 #include "tcpclient.h"
  29
  30 using namespace std;
  31
  32 int
  33 RemoteTcpClient::open_socket(const string & hostname, int port,
  34                              double timeout_connect)
  35 {
  36     // If TcpClient::open_socket() throws, fill in the context.
  37     try {
  38         return TcpClient::open_socket(hostname, port, timeout_connect, true);
  39     } catch (const Xapian::NetworkTimeoutError & e) {
  40         throw Xapian::NetworkTimeoutError(e.get_msg(), get_tcpcontext(hostname, port),
  41                                           e.get_error_string());
  42     } catch (const Xapian::NetworkError & e) {
  43         throw Xapian::NetworkError(e.get_msg(), get_tcpcontext(hostname, port),
  44                                    e.get_error_string());
  45     }
  46 }
  47
  48 string
  49 RemoteTcpClient::get_tcpcontext(const string & hostname, int port)
  50 {
  51     string result("remote:tcp(");
  52     result += hostname;
  53     result += ':';
  54     result += str(port);
  55     result += ')';
  56     return result;
  57 }
  58
  59 RemoteTcpClient::~RemoteTcpClient()
  60 {
  61     try {
  62         do_close();
  63     } catch (...) {
  64     }
  65 }