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/*
* Copyright (c) 2002-2012 Balabit
* Copyright (c) 1998-2012 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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 library; 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 "logpipe.h"
#include "cfg-tree.h"
#include "cfg-walker.h"
gboolean (*pipe_single_step_hook)(LogPipe *pipe, LogMessage *msg, const LogPathOptions *path_options);
EVTTAG *
log_pipe_location_tag(LogPipe *pipe)
{
return log_expr_node_location_tag(pipe->expr_node);
}
void
log_pipe_attach_expr_node(LogPipe *self, LogExprNode *expr_node)
{
self->expr_node = log_expr_node_ref(expr_node);
}
void log_pipe_detach_expr_node(LogPipe *self)
{
if (!self->expr_node)
return;
log_expr_node_unref(self->expr_node);
self->expr_node = NULL;
}
static GList *
_arcs(LogPipe *self)
{
if (self->pipe_next)
return g_list_append(NULL, arc_new(self, self->pipe_next, ARC_TYPE_PIPE_NEXT));
else
return NULL;
}
void
log_pipe_clone_method(LogPipe *dst, const LogPipe *src)
{
log_pipe_set_persist_name(dst, src->persist_name);
log_pipe_set_options(dst, &src->options);
}
void
log_pipe_init_instance(LogPipe *self, GlobalConfig *cfg)
{
g_atomic_counter_set(&self->ref_cnt, 1);
self->cfg = cfg;
self->pipe_next = NULL;
self->persist_name = NULL;
self->plugin_name = NULL;
self->signal_slot_connector = signal_slot_connector_new();
/* NOTE: queue == NULL means that this pipe simply forwards the
* message along the pipeline, e.g. like it has called
* log_msg_forward_msg. Since this is a common case, it is better
* inlined (than to use an indirect call) for performance. */
self->queue = NULL;
self->free_fn = log_pipe_free_method;
self->arcs = _arcs;
}
LogPipe *
log_pipe_new(GlobalConfig *cfg)
{
LogPipe *self = g_new0(LogPipe, 1);
log_pipe_init_instance(self, cfg);
return self;
}
void
log_pipe_free_method(LogPipe *self)
{
;
}
LogPipe *
log_pipe_ref(LogPipe *self)
{
g_assert(!self || g_atomic_counter_get(&self->ref_cnt) > 0);
if (self)
{
g_atomic_counter_inc(&self->ref_cnt);
}
return self;
}
static void
_free(LogPipe *self)
{
if (self->free_fn)
self->free_fn(self);
g_free((gpointer)self->persist_name);
g_free(self->plugin_name);
g_list_free_full(self->info, g_free);
signal_slot_connector_unref(self->signal_slot_connector);
g_free(self);
}
gboolean
log_pipe_unref(LogPipe *self)
{
g_assert(!self || g_atomic_counter_get(&self->ref_cnt));
if (self && (g_atomic_counter_dec_and_test(&self->ref_cnt)))
{
_free(self);
return TRUE;
}
return FALSE;
}
void
log_pipe_forward_notify(LogPipe *self, gint notify_code, gpointer user_data)
{
log_pipe_notify(self->pipe_next, notify_code, user_data);
}
void
log_pipe_set_persist_name(LogPipe *self, const gchar *persist_name)
{
g_free((gpointer)self->persist_name);
self->persist_name = g_strdup(persist_name);
}
const gchar *
log_pipe_get_persist_name(const LogPipe *self)
{
return (self->generate_persist_name != NULL) ? self->generate_persist_name(self)
: self->persist_name;
}
void
log_pipe_set_options(LogPipe *self, const LogPipeOptions *options)
{
self->options = *options;
}
void
log_pipe_set_internal(LogPipe *self, gboolean internal)
{
self->options.internal = internal;
}
gboolean
log_pipe_is_internal(const LogPipe *self)
{
return self->options.internal;
}
void
log_pipe_add_info(LogPipe *self, const gchar *info)
{
self->info = g_list_append(self->info, g_strdup(info));
}
#ifdef __linux__
void
__log_pipe_forward_msg(LogPipe *self, LogMessage *msg, const LogPathOptions *path_options)
__attribute__((alias("log_pipe_forward_msg")));
#endif
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