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#include <errno.h>
#include <assert.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <MESA/MESA_prof_load.h>
#include <fieldstat/fieldstat_easy.h>
#include "log.h"
#include "utils.h"
#include "sf_status.h"
#include "uthash.h"
struct metric
{
struct sf_status_key key;
int sf_status;
int sf_latency;
UT_hash_handle hh;
};
struct config
{
int output_kafka_interval_ms;
char data_center[256];
char device_group[256];
char device_id[256];
};
struct sf_status
{
struct config cfg;
int sf_status_idx;
int sf_latency_idx;
struct kafka *kfk;
struct fieldstat_easy *fs;
struct metric *htable;
};
/******************************************************************************
* Public API
******************************************************************************/
struct sf_status *sf_status_create(const char *profile, struct kafka *kfk)
{
struct sf_status *handle = (struct sf_status *)calloc(1, sizeof(struct sf_status));
if (!handle)
{
return NULL;
}
MESA_load_profile_int_def(profile, "metrics", "output_kafka_interval_ms", &(handle->cfg.output_kafka_interval_ms), 1000);
MESA_load_profile_string_def(profile, "metrics", "data_center", handle->cfg.data_center, sizeof(handle->cfg.data_center), "");
MESA_load_profile_string_def(profile, "metrics", "device_group", handle->cfg.device_group, sizeof(handle->cfg.device_group), "");
MESA_load_profile_string_def(profile, "metrics", "device_id", handle->cfg.device_id, sizeof(handle->cfg.device_id), "");
const struct fieldstat_tag tags[] = {
{"data_center", TAG_CSTRING, {.value_str = handle->cfg.data_center}},
{"device_group", TAG_CSTRING, {.value_str = handle->cfg.device_group}},
{"device_id", TAG_CSTRING, {.value_str = handle->cfg.device_id}},
};
handle->kfk = kfk;
handle->fs = fieldstat_easy_new(1, "service_function_status", tags, sizeof(tags) / sizeof(tags[0]));
if (!handle->fs)
{
goto error_out;
}
handle->sf_status_idx = fieldstat_easy_register_counter(handle->fs, "sf_status");
handle->sf_latency_idx = fieldstat_easy_register_counter(handle->fs, "sf_latency_us");
return handle;
error_out:
sf_status_destory(handle);
return NULL;
}
void sf_status_destory(struct sf_status *handle)
{
if (handle)
{
struct metric *temp = NULL;
struct metric *node = NULL;
HASH_ITER(hh, handle->htable, node, temp)
{
HASH_DELETE(hh, handle->htable, node);
free(node);
node = NULL;
}
if (handle->fs)
{
fieldstat_easy_free(handle->fs);
handle->fs = NULL;
}
free(handle);
handle = NULL;
}
}
void sf_status_delete(struct sf_status *handle, const struct sf_status_key *key)
{
if (!handle)
{
return;
}
struct metric *temp = NULL;
HASH_FIND(hh, handle->htable, key, sizeof(struct sf_status_key), temp);
if (temp)
{
HASH_DELETE(hh, handle->htable, temp);
free(temp);
temp = NULL;
}
}
void sf_status_update(struct sf_status *handle, const struct sf_status_key *key, int sf_status, int sf_latency)
{
if (!handle)
{
return;
}
struct metric *temp = NULL;
HASH_FIND(hh, handle->htable, key, sizeof(struct sf_status_key), temp);
if (temp)
{
temp->sf_status = sf_status;
temp->sf_latency = sf_latency;
}
else
{
temp = (struct metric *)calloc(1, sizeof(struct metric));
temp->key.vsys_id = key->vsys_id;
temp->key.sf_profile_id = key->sf_profile_id;
temp->sf_status = sf_status;
temp->sf_latency = sf_latency;
HASH_ADD(hh, handle->htable, key, sizeof(struct sf_status_key), temp);
}
}
void sf_status_output(struct sf_status *handle)
{
if (!handle)
{
return;
}
struct metric *temp = NULL;
struct metric *node = NULL;
HASH_ITER(hh, handle->htable, node, temp)
{
const struct fieldstat_tag tags[] = {
{"vsys_id", TAG_INTEGER, {.value_longlong = node->key.vsys_id}},
{"sf_profile_id", TAG_INTEGER, {.value_longlong = node->key.sf_profile_id}},
};
fieldstat_easy_counter_set(handle->fs, 0, handle->sf_status_idx, tags, sizeof(tags) / sizeof(tags[0]), node->sf_status);
fieldstat_easy_counter_set(handle->fs, 0, handle->sf_latency_idx, tags, sizeof(tags) / sizeof(tags[0]), node->sf_latency);
}
char **ptr = NULL;
size_t len = 0;
fieldstat_easy_output_array_and_reset(handle->fs, &ptr, &len);
if (ptr)
{
for (size_t i = 0; i < len; i++)
{
kafka_send(handle->kfk, TOPIC_RULE_HITS, ptr[i], strlen(ptr[i]));
free(ptr[i]);
ptr[i] = NULL;
}
free(ptr);
}
}
int sf_status_get_ouput_interval_ms(struct sf_status *handle)
{
if (!handle)
{
return 0;
}
return handle->cfg.output_kafka_interval_ms;
}
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