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/*
* Copyright (c) 2022 Cisco and/or its affiliates.
*/
#define ntohll hicn_ntohll // Rename to avoid collision
#include <hicn/ctrl/api.h>
#include <hicn/ctrl/hicn-light-ng.h>
#include <hicn/util/sstrncpy.h>
#undef ntohll
#include "../data_model.h"
#include "collectd.h"
#include "plugin.h"
#include "utils/common/common.h"
#define PLUGIN_NAME "hicn_light"
static hc_sock_t *s = NULL;
static void submit(const char *type, value_t *values, size_t values_len,
meta_data_t *meta) {
assert(type != NULL && values != NULL && values_len != 0);
value_list_t vl = {.values = values, .values_len = values_len};
if (meta) vl.meta = meta;
int rc = strcpy_s(vl.plugin, sizeof(vl.plugin), PLUGIN_NAME);
_ASSERT(rc == EOK);
rc = strcpy_s(vl.type, sizeof(vl.type), type);
_ASSERT(rc == EOK);
rc = strcpy_s(vl.host, sizeof(vl.host), hostname_g);
_ASSERT(rc == EOK);
plugin_dispatch_values(&vl);
}
static int read_forwarder_global_stats(hc_data_t **pdata, meta_data_t *meta) {
// Retrieve global stats from forwarder
int rc = hc_stats_get(s, pdata);
if (rc < 0) {
plugin_log(LOG_ERR, "Could not read global stats from forwarder");
return -1;
}
hicn_light_stats_t stats = *((hicn_light_stats_t *)(*pdata)->buffer);
// Submit values
value_t values[1];
values[0] = (value_t){.gauge = stats.forwarder.countReceived};
submit(pkts_processed_ds.type, values, 1, meta);
values[0] = (value_t){.gauge = stats.forwarder.countInterestsReceived};
submit(pkts_interest_count_ds.type, values, 1, meta);
values[0] = (value_t){.gauge = stats.forwarder.countObjectsReceived};
submit(pkts_data_count_ds.type, values, 1, meta);
values[0] =
(value_t){.gauge = stats.forwarder.countInterestsSatisfiedFromStore};
submit(pkts_from_cache_count_ds.type, values, 1, meta);
values[0] = (value_t){.gauge = stats.forwarder.countDroppedNoReversePath};
submit(pkts_no_pit_count_ds.type, values, 1, meta);
values[0] = (value_t){.gauge = stats.forwarder.countInterestsExpired};
submit(pit_expired_count_ds.type, values, 1, meta);
values[0] = (value_t){.gauge = stats.forwarder.countDataExpired};
submit(cs_expired_count_ds.type, values, 1, meta);
values[0] = (value_t){.gauge = stats.pkt_cache.n_lru_evictions};
submit(cs_lru_count_ds.type, values, 1, meta);
values[0] = (value_t){.gauge = stats.forwarder.countDropped};
submit(pkts_drop_no_buf_ds.type, values, 1, meta);
values[0] = (value_t){.gauge = stats.forwarder.countInterestsAggregated};
submit(interests_aggregated_ds.type, values, 1, meta);
values[0] = (value_t){.gauge = stats.forwarder.countInterestsRetransmitted};
submit(interests_retx_ds.type, values, 1, meta);
values[0] = (value_t){.gauge = stats.pkt_cache.n_pit_entries};
submit(pit_entries_count_ds.type, values, 1, meta);
values[0] = (value_t){.gauge = stats.pkt_cache.n_cs_entries};
submit(cs_entries_count_ds.type, values, 1, meta);
return 0;
}
static int read_forwarder_per_face_stats(hc_data_t **pdata, meta_data_t *meta) {
// Retrieve per-face stats from forwarder
int rc = hc_stats_list(s, pdata);
if (rc < 0) {
plugin_log(LOG_ERR, "Could not read face stats from forwarder");
return -1;
}
hc_data_t *data = *pdata;
cmd_stats_list_item_t *conn_stats = (cmd_stats_list_item_t *)data->buffer;
cmd_stats_list_item_t *end =
(cmd_stats_list_item_t *)(data->buffer +
data->size * data->out_element_size);
// Submit values
while (conn_stats < end) {
rc = meta_data_add_unsigned_int(meta, "face_id", conn_stats->id);
assert(rc == 0);
value_t values[2];
values[0] = (value_t){.derive = conn_stats->stats.interests.rx_pkts};
values[1] = (value_t){.derive = conn_stats->stats.interests.rx_bytes};
submit(irx_ds.type, values, 2, meta);
values[0] = (value_t){.derive = conn_stats->stats.interests.tx_pkts};
values[1] = (value_t){.derive = conn_stats->stats.interests.tx_bytes};
submit(itx_ds.type, values, 2, meta);
values[0] = (value_t){.derive = conn_stats->stats.data.rx_pkts};
values[1] = (value_t){.derive = conn_stats->stats.data.rx_bytes};
submit(drx_ds.type, values, 2, meta);
values[0] = (value_t){.derive = conn_stats->stats.data.tx_pkts};
values[1] = (value_t){.derive = conn_stats->stats.data.tx_bytes};
submit(dtx_ds.type, values, 2, meta);
conn_stats++;
}
return 0;
}
static int read_forwarder_stats() {
// Create metadata
meta_data_t *meta = meta_data_create();
int rc = meta_data_add_string(meta, KAFKA_TOPIC_KEY, KAFKA_STREAM_TOPIC);
assert(rc == 0);
hc_data_t *data = NULL;
rc = read_forwarder_global_stats(&data, meta);
if (rc < 0) goto READ_ERROR;
rc = read_forwarder_per_face_stats(&data, meta);
READ_ERROR:
meta_data_destroy(meta);
hc_data_free(data);
return rc;
}
static int connect_to_forwarder() {
plugin_log(LOG_INFO, "Connecting to forwarder");
s = hc_sock_create_forwarder(HICNLIGHT_NG);
if (!s) {
plugin_log(LOG_ERR, "Could not create socket");
return -1;
}
int rc = hc_sock_connect(s);
if (rc < 0) {
plugin_log(LOG_ERR, "Could not establish connection to forwarder");
hc_sock_free(s);
s = NULL;
return -1;
}
return 0;
}
static int disconnect_from_forwarder() {
plugin_log(LOG_INFO, "Disconnecting from forwarder");
if (s == NULL) {
plugin_log(LOG_ERR, "Forwarder not connected");
return -1;
}
hc_command_t command = {0};
command.object.connection.id = 0;
int rc = strcpy_s(command.object.connection.name,
sizeof(command.object.connection.name), "SELF");
if (rc != EOK || hc_connection_delete(s, &command.object.connection) < 0) {
rc = -1;
plugin_log(LOG_ERR, "Error removing local connection to forwarder");
}
hc_sock_free(s);
return rc;
}
void module_register() {
// Data sets
plugin_register_data_set(&pkts_processed_ds);
plugin_register_data_set(&pkts_interest_count_ds);
plugin_register_data_set(&pkts_data_count_ds);
plugin_register_data_set(&pkts_from_cache_count_ds);
plugin_register_data_set(&pkts_no_pit_count_ds);
plugin_register_data_set(&pit_expired_count_ds);
plugin_register_data_set(&cs_expired_count_ds);
plugin_register_data_set(&cs_lru_count_ds);
plugin_register_data_set(&pkts_drop_no_buf_ds);
plugin_register_data_set(&interests_aggregated_ds);
plugin_register_data_set(&interests_retx_ds);
plugin_register_data_set(&interests_hash_collision_ds);
plugin_register_data_set(&pit_entries_count_ds);
plugin_register_data_set(&cs_entries_count_ds);
plugin_register_data_set(&cs_entries_ntw_count_ds);
plugin_register_data_set(&irx_ds);
plugin_register_data_set(&itx_ds);
plugin_register_data_set(&drx_ds);
plugin_register_data_set(&dtx_ds);
// Callbacks
plugin_register_init(PLUGIN_NAME, connect_to_forwarder);
plugin_register_read(PLUGIN_NAME, read_forwarder_stats);
plugin_register_shutdown(PLUGIN_NAME, disconnect_from_forwarder);
}
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