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/*
* Copyright (c) 2017 Balabit
* Copyright (c) 2017 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.
*
*/
#include "file-specializations.h"
#include "transport/transport-file.h"
#include "transport-prockmsg.h"
#include "messages.h"
#include "logproto/logproto-dgram-server.h"
#include "logproto/logproto-text-server.h"
#include <unistd.h>
#include <errno.h>
/**************************************************************
* /dev/kmsg support
**************************************************************/
LogTransport *
log_transport_devkmsg_new(gint fd)
{
if (lseek(fd, 0, SEEK_END) < 0)
{
msg_error("Error seeking /dev/kmsg to the end",
evt_tag_str("error", g_strerror(errno)));
}
return log_transport_file_new(fd);
}
static LogTransport *
_construct_devkmsg_transport(FileOpener *self, gint fd)
{
return log_transport_devkmsg_new(fd);
}
static LogProtoServer *
_construct_devkmsg_proto(FileOpener *self, LogTransport *transport, LogProtoFileReaderOptions *options)
{
return log_proto_dgram_server_new(transport, &options->super);
}
FileOpener *
file_opener_for_devkmsg_new(void)
{
FileOpener *self = file_opener_new();
self->construct_transport = _construct_devkmsg_transport;
self->construct_src_proto = _construct_devkmsg_proto;
return self;
}
/**************************************************************
* /proc/kmsg support
**************************************************************/
static LogProtoServer *
log_proto_linux_proc_kmsg_reader_new(LogTransport *transport, const LogProtoServerOptions *options)
{
LogProtoServer *proto;
proto = log_proto_text_server_new(transport, options);
((LogProtoTextServer *) proto)->super.no_multi_read = TRUE;
return proto;
}
static LogTransport *
_construct_prockmsg_transport(FileOpener *self, gint fd)
{
return log_transport_prockmsg_new(fd, 10);
}
static LogProtoServer *
_construct_prockmsg_proto(FileOpener *self, LogTransport *transport, LogProtoFileReaderOptions *options)
{
return log_proto_linux_proc_kmsg_reader_new(transport, &options->super);
}
FileOpener *
file_opener_for_prockmsg_new(void)
{
FileOpener *self = file_opener_new();
self->construct_transport = _construct_prockmsg_transport;
self->construct_src_proto = _construct_prockmsg_proto;
return self;
}
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