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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 "logproto-file-writer.h"
#include "messages.h"
#include "ack-tracker/ack_tracker_factory.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
static gboolean
_prepare_open(FileOpener *self, const gchar *name)
{
struct stat st;
if (stat(name, &st) >= 0)
{
if (S_ISFIFO(st.st_mode))
{
msg_error("You are using the file() driver, underlying file is a FIFO, it should be used by pipe()",
evt_tag_str("filename", name));
errno = EINVAL;
return FALSE;
}
}
return TRUE;
}
static LogTransport *
_construct_src_transport(FileOpener *self, gint fd)
{
LogTransport *transport = log_transport_file_new(fd);
transport->read = log_transport_file_read_and_ignore_eof_method;
return transport;
}
static LogProtoServer *
_construct_src_proto(FileOpener *s, LogTransport *transport, LogProtoFileReaderOptions *proto_options)
{
log_proto_server_options_set_ack_tracker_factory(&proto_options->super,
consecutive_ack_tracker_factory_new());
return log_proto_file_reader_new(transport, proto_options);
}
FileOpener *
file_opener_for_regular_source_files_new(void)
{
FileOpener *self = file_opener_new();
self->prepare_open = _prepare_open;
self->construct_transport = _construct_src_transport;
self->construct_src_proto = _construct_src_proto;
return self;
}
typedef struct _FileOpenerRegularDestFiles
{
FileOpener super;
const LogWriterOptions *writer_options;
gboolean *use_fsync;
} FileOpenerRegularDestFiles;
static LogProtoClient *
_construct_dst_proto(FileOpener *s, LogTransport *transport, LogProtoClientOptions *proto_options)
{
FileOpenerRegularDestFiles *self = (FileOpenerRegularDestFiles *) s;
return log_proto_file_writer_new(transport, proto_options,
self->writer_options->flush_lines,
*self->use_fsync);
}
static LogTransport *
_construct_transport(FileOpener *s, gint fd)
{
return log_transport_file_new(fd);
}
FileOpener *
file_opener_for_regular_dest_files_new(const LogWriterOptions *writer_options, gboolean *use_fsync)
{
FileOpenerRegularDestFiles *self = g_new0(FileOpenerRegularDestFiles, 1);
file_opener_init_instance(&self->super);
self->super.construct_transport = _construct_transport;
self->super.construct_dst_proto = _construct_dst_proto;
self->writer_options = writer_options;
self->use_fsync = use_fsync;
return &self->super;
}
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