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/*
* Copyright (c) 2002-2014 Balabit
* Copyright (c) 1998-2014 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 "cfg.h"
typedef struct _TFTemplateState
{
LogTemplate *invoked_template;
} TFTemplateState;
static gboolean
tf_template_lookup_invoked_template(TFTemplateState *state, GlobalConfig *cfg, const gchar *function_name,
GError **error)
{
state->invoked_template = cfg_tree_lookup_template(&cfg->tree, function_name);
if (!state->invoked_template)
{
g_set_error(error, LOG_TEMPLATE_ERROR, LOG_TEMPLATE_ERROR_COMPILE,
"$(template) Unknown template function or template \"%s\"",
function_name);
return FALSE;
}
return TRUE;
}
static const gchar *
tf_template_extract_invoked_template_name_from_args(gint argc, gchar *argv[])
{
if (argc == 2 && strcmp(argv[0], "template") == 0)
return argv[1];
return NULL;
}
static gboolean
tf_template_prepare(LogTemplateFunction *self, gpointer s, LogTemplate *parent, gint argc, gchar *argv[],
GError **error)
{
TFTemplateState *state = (TFTemplateState *) s;
const gchar *invoked_template_name;
g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
invoked_template_name = tf_template_extract_invoked_template_name_from_args(argc, argv);
if (!invoked_template_name)
{
g_set_error(error, LOG_TEMPLATE_ERROR, LOG_TEMPLATE_ERROR_COMPILE,
"$(template) requires one argument, that specifies the template name to be invoked");
return FALSE;
}
return tf_template_lookup_invoked_template(state, parent->cfg, invoked_template_name, error);
}
static void
tf_template_call(LogTemplateFunction *self, gpointer s, const LogTemplateInvokeArgs *args, GString *result)
{
TFTemplateState *state = (TFTemplateState *) s;
log_template_append_format_with_context(state->invoked_template, args->messages, args->num_messages, args->opts,
args->tz, args->seq_num, args->context_id, result);
}
static void
tf_template_free_state(gpointer s)
{
TFTemplateState *state = (TFTemplateState *) s;
log_template_unref(state->invoked_template);
}
TEMPLATE_FUNCTION(TFTemplateState, tf_template, tf_template_prepare, NULL, tf_template_call, tf_template_free_state,
NULL);
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