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/*
* Copyright (c) 2016 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gm_metric.h>
#include <stdlib.h>
#include <strings.h>
#include <time.h>
#include <vppinfra/clib.h>
#include <vppinfra/vec.h>
#include <vppinfra/hash.h>
#include <svm/svmdb.h>
#include <errno.h>
mmodule vpp_module;
static svmdb_client_t *svmdb_client;
static int vpp_metric_init (apr_pool_t *p)
{
const char* str_params = vpp_module.module_params;
apr_array_header_t *list_params = vpp_module.module_params_list;
mmparam *params;
char *chroot_path = 0;
svmdb_map_args_t _ma, *ma= &_ma;
int i;
if (str_params) {
debug_msg("[mod_vpp]Received string params: %s", str_params);
}
/* Multiple name/value pair parameters. */
if (list_params) {
debug_msg("[mod_vpp]Received following params list: ");
params = (mmparam*) list_params->elts;
for(i=0; i< list_params->nelts; i++) {
debug_msg("\tParam: %s = %s", params[i].name, params[i].value);
}
}
memset (ma, 0, sizeof (*ma));
ma->root_path = (char *)chroot_path;
svmdb_client = svmdb_map (ma);
/* Initialize the metadata storage for each of the metrics and then
* store one or more key/value pairs. The define MGROUPS defines
* the key for the grouping attribute. */
for (i = 0; vpp_module.metrics_info[i].name != NULL; i++) {
MMETRIC_INIT_METADATA(&(vpp_module.metrics_info[i]),p);
MMETRIC_ADD_METADATA(&(vpp_module.metrics_info[i]),MGROUP,"VPP");
}
return 0;
}
static void vpp_metric_cleanup (void)
{
svmdb_unmap (svmdb_client);
}
static g_val_t vpp_metric_handler (int metric_index)
{
g_val_t val;
pid_t *vpp_pidp;
f64 *vector_ratep, *vpp_rx_ratep, *sig_error_ratep;
switch (metric_index) {
case 0:
vector_ratep = svmdb_local_get_vec_variable
(svmdb_client, "vpp_vector_rate", sizeof (*vector_ratep));
if (vector_ratep) {
val.d = *vector_ratep;
vec_free (vector_ratep);
}
else
val.d = 0.0;
break;
case 1:
vpp_pidp = svmdb_local_get_vec_variable
(svmdb_client,
"vpp_pid", sizeof (*vpp_pidp));
if (vpp_pidp && *vpp_pidp) {
if (kill(*vpp_pidp, 0) == 0 || errno != ESRCH) {
val.d = 1.0;
} else {
val.d = 0.0;
}
vec_free (vpp_pidp);
} else
val.d = 0;
break;
case 2:
vpp_rx_ratep = svmdb_local_get_vec_variable
(svmdb_client, "vpp_input_rate", sizeof (*vector_ratep));
if (vpp_rx_ratep) {
val.d = *vpp_rx_ratep;
vec_free (vpp_rx_ratep);
} else
val.d = 0.0;
break;
case 3:
sig_error_ratep = svmdb_local_get_vec_variable
(svmdb_client, "vpp_sig_error_rate", sizeof (*vector_ratep));
if (sig_error_ratep) {
val.d = *sig_error_ratep;
vec_free (sig_error_ratep);
} else
val.d = 0.0;
break;
default:
val.d = 0.0;
}
return val;
}
static Ganglia_25metric vpp_metric_info[] =
{
{0, "Vector_Rate", 100, GANGLIA_VALUE_DOUBLE, "Packets/Frame",
"both", "%.1f",
UDP_HEADER_SIZE+8, "VPP Vector Rate"},
{0, "VPP_State", 100, GANGLIA_VALUE_DOUBLE, "Run=1", "both", "%.0f",
UDP_HEADER_SIZE+8, "VPP State"},
{0, "Input_Rate", 100, GANGLIA_VALUE_DOUBLE, "5 sec RX rate",
"both", "%.1f",
UDP_HEADER_SIZE+8, "VPP Aggregate RX Rate"},
{0, "Sig_Error_Rate", 100, GANGLIA_VALUE_DOUBLE,
"5 sec significant error rate",
"both", "%.1f",
UDP_HEADER_SIZE+8, "VPP Significant Error Rate"},
{0, NULL}
};
mmodule vpp_module =
{
STD_MMODULE_STUFF,
vpp_metric_init,
vpp_metric_cleanup,
vpp_metric_info,
vpp_metric_handler,
};
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