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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 "template/simple-function.h"
#include "template/templates.h"
#include "scratch-buffers.h"
void
log_template_append_format_recursive(LogTemplate *self, const LogTemplateInvokeArgs *args, GString *result)
{
log_template_append_format_with_context(self,
args->messages, args->num_messages,
args->options, result);
}
/* simple template functions which take templates as arguments */
gboolean
tf_simple_func_prepare(LogTemplateFunction *self, gpointer s, LogTemplate *parent, gint argc, gchar *argv[],
GError **error)
{
TFSimpleFuncState *state = (TFSimpleFuncState *) s;
gint i;
g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
state->argv_templates = g_malloc(sizeof(LogTemplate *) * (argc - 1));
/* NOTE: the argv argument contains the function name as argv[0],
* but the LogTemplate array doesn't. Thus the index is shifted by
* one. */
for (i = 0; i < argc - 1; i++)
{
state->argv_templates[i] = log_template_new_embedded(parent->cfg);
if (!log_template_compile(state->argv_templates[i], argv[i + 1], error))
{
state->argc = i + 1;
goto error;
}
}
state->argc = argc - 1;
return TRUE;
error:
return FALSE;
}
void
tf_simple_func_eval(LogTemplateFunction *self, gpointer s, LogTemplateInvokeArgs *args)
{
TFSimpleFuncState *state = (TFSimpleFuncState *) s;
gint i;
g_assert(state->argc <= TEMPLATE_INVOKE_MAX_ARGS);
for (i = 0; i < state->argc; i++)
{
args->argv[i] = scratch_buffers_alloc();
log_template_append_format_recursive(state->argv_templates[i], args, args->argv[i]);
}
}
void
tf_simple_func_call(LogTemplateFunction *self, gpointer s, const LogTemplateInvokeArgs *args, GString *result,
LogMessageValueType *type)
{
TFSimpleFunc simple_func = (TFSimpleFunc) self->arg;
TFSimpleFuncState *state = (TFSimpleFuncState *) s;
simple_func(args->messages[args->num_messages-1], state->argc, (GString **) args->argv, result, type);
}
void
tf_simple_func_free_state(gpointer s)
{
TFSimpleFuncState *state = (TFSimpleFuncState *) s;
gint i;
for (i = 0; i < state->argc; i++)
{
if (state->argv_templates[i])
log_template_unref(state->argv_templates[i]);
}
g_free(state->argv_templates);
}
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