-/***************************************************************************
- * Copyright (C) 2006 by Gerd v. Egidy *
- * gve@intra2net.com *
- * *
- * This library is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU Lesser General Public License version *
- * 2.1 as published by the Free Software Foundation. *
- * *
- * This library is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU Lesser General Public License for more details. *
- * *
- * You should have received a copy of the GNU Lesser General Public *
- * License along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
+/*
+Copyright (C) 2006 by Intra2net AG - Gerd v. Egidy
+
+The software in this package is distributed under the GNU General
+Public License version 2 (with a special exception described below).
+
+A copy of GNU General Public License (GPL) is included in this distribution,
+in the file COPYING.GPL.
+
+As a special exception, if other files instantiate templates or use macros
+or inline functions from this file, or you compile this file and link it
+with other works to produce a work based on this file, this file
+does not by itself cause the resulting work to be covered
+by the GNU General Public License.
+
+However the source code for this file must still be made available
+in accordance with section (3) of the GNU General Public License.
+
+This exception does not invalidate any other reasons why a work based
+on this file might be covered by the GNU General Public License.
+*/
#ifndef __LIBT2N_SOCKET_CLIENT
#define __LIBT2N_SOCKET_CLIENT
#include "client.hxx"
#include "socket_handler.hxx"
+struct sockaddr;
+
namespace libt2n
{
+/** @brief a connection from client to server using sockets.
+ Use this class to connect from a client to a server.
+ */
class socket_client_connection : public client_connection, public socket_handler
{
- static const int max_retries_default=3;
+ public:
+ static const int max_retries_default=3;
+ static const long long connect_timeout_usec_default=30000000;
private:
void real_write(const std::string& data)
{ socket_write(data); }
- void connect();
+ void tcp_connect(int max_retries);
+ void unix_connect(int max_retries);
+ void connect_with_timeout(struct sockaddr *sock_addr,unsigned int sockaddr_size);
int max_retries;
+ long long connect_timeout_usec;
std::string path;
std::string server;
int port;
+ std::string lastErrorMsg;
+
+ protected:
+
+ std::ostream* get_logstream(log_level_values level)
+ { return client_connection::get_logstream(level); }
+
public:
- socket_client_connection(const std::string& _server, int _port, int _max_retries=max_retries_default);
- socket_client_connection(const std::string& _path, int _max_retries=max_retries_default);
+ socket_client_connection(int _port, const std::string& _server="127.0.0.1",
+ long long _connect_timeout_usec=connect_timeout_usec_default,
+ int _max_retries=max_retries_default,
+ std::ostream *_logstream=NULL, log_level_values _log_level=none);
+ socket_client_connection(const std::string& _path,
+ long long _connect_timeout_usec=connect_timeout_usec_default,
+ int _max_retries=max_retries_default,
+ std::ostream *_logstream=NULL, log_level_values _log_level=none);
+
+ ~socket_client_connection();
+
+ /** @brief read data from the socket and copy it into buffer
+ @param usec_timeout wait until new data is found, max timeout usecs.
+ -1: wait endless
+ 0: return instantly
+ @param usec_timeout_remaining if non-NULL the function will write the
+ not used time to the given target
+ @retval true if new data was found (does not mean that the received data
+ is a complete packet though)
+ */
+ bool fill_buffer(long long usec_timeout=-1, long long *usec_timeout_remaining=NULL)
+ { return socket_handler::fill_buffer(buffer,usec_timeout,usec_timeout_remaining); }
+
+ virtual void close();
- void fill_buffer(long long usec_timeout=-1)
- { socket_handler::fill_buffer(buffer,usec_timeout); }
+ void reconnect();
- void close();
+ std::string get_last_error_msg(void)
+ { return lastErrorMsg; }
};
}
git://developer.intra2net.com / libt2n / blobdiff