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/*
* Copyright (c) 2002-2013 Balabit
* Copyright (c) 1998-2013 Balázs Scheidler
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#ifndef TRANSPORT_MAPPER_H_INCLUDED
#define TRANSPORT_MAPPER_H_INCLUDED
#include "socket-options.h"
#include "transport/logtransport.h"
#include "gsockaddr.h"
typedef struct _TransportMapper TransportMapper;
typedef gboolean (*TransportMapperAsyncInitCB)(gpointer arg);
struct _TransportMapper
{
/* the transport() option as specified by the user */
gchar *transport;
/* output parameters as determinted by TransportMapper */
gint address_family;
/* SOCK_DGRAM or SOCK_STREAM or other SOCK_XXX values used by the socket() call */
gint sock_type;
/* protocol parameter for the socket() call, 0 for default or IPPROTO_XXX for specific transports */
gint sock_proto;
/* when a proto needs a Multitransport instance */
gboolean create_multitransport;
const gchar *logproto;
/* the user visible summary of the transport, to be put into $TRANSPORT */
gchar *transport_name;
gsize transport_name_len;
gint stats_source;
gboolean (*apply_transport)(TransportMapper *self, GlobalConfig *cfg);
LogTransport *(*construct_log_transport)(TransportMapper *self, gint fd);
gboolean (*init)(TransportMapper *self);
gboolean (*async_init)(TransportMapper *self, TransportMapperAsyncInitCB func, gpointer arg);
void (*free_fn)(TransportMapper *self);
};
void transport_mapper_set_transport(TransportMapper *self, const gchar *transport);
void transport_mapper_set_address_family(TransportMapper *self, gint address_family);
gboolean transport_mapper_open_socket(TransportMapper *self,
SocketOptions *socket_options,
GSockAddr *bind_addr,
GSockAddr *peer_addr,
AFSocketDirection dir,
int *fd);
gboolean transport_mapper_apply_transport_method(TransportMapper *self, GlobalConfig *cfg);
void transport_mapper_init_instance(TransportMapper *self, const gchar *transport);
void transport_mapper_free(TransportMapper *self);
void transport_mapper_free_method(TransportMapper *self);
static inline const gchar *
transport_mapper_get_transport_name(TransportMapper *self, gsize *len)
{
if (self->transport_name)
{
if (len)
*len = self->transport_name_len;
return self->transport_name;
}
return NULL;
}
static inline gboolean
transport_mapper_apply_transport(TransportMapper *self, GlobalConfig *cfg)
{
gboolean result = self->apply_transport(self, cfg);
if (result)
self->transport_name_len = self->transport_name ? strlen(self->transport_name) : 0;
return result;
}
static inline LogTransport *
transport_mapper_construct_log_transport(TransportMapper *self, gint fd)
{
return self->construct_log_transport(self, fd);
}
static inline gboolean
transport_mapper_init(TransportMapper *self)
{
if (self->init)
return self->init(self);
return TRUE;
}
static inline gboolean
transport_mapper_async_init(TransportMapper *self, TransportMapperAsyncInitCB func, gpointer arg)
{
if (self->async_init)
{
return self->async_init(self, func, arg);
}
return func(arg);
}
#endif
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