void kafka_cache_purge(struct chained_cache *queue[], int index, int safe_action)
{
struct pkt_primitives *data = NULL;
struct pkt_bgp_primitives *pbgp = NULL;
struct pkt_nat_primitives *pnat = NULL;
struct pkt_mpls_primitives *pmpls = NULL;
struct pkt_tunnel_primitives *ptun = NULL;
char *pcust = NULL;
struct pkt_vlen_hdr_primitives *pvlen = NULL;
struct pkt_bgp_primitives empty_pbgp;
struct pkt_nat_primitives empty_pnat;
struct pkt_mpls_primitives empty_pmpls;
struct pkt_tunnel_primitives empty_ptun;
char *empty_pcust = NULL;
char src_mac[18], dst_mac[18], src_host[INET6_ADDRSTRLEN], dst_host[INET6_ADDRSTRLEN], ip_address[INET6_ADDRSTRLEN];
char rd_str[SRVBUFLEN], misc_str[SRVBUFLEN], dyn_kafka_topic[SRVBUFLEN], *orig_kafka_topic = NULL;
int i, j, stop, batch_idx, is_topic_dyn = FALSE, qn = 0, ret, saved_index = index;
int mv_num = 0, mv_num_save = 0;
time_t start, duration;
pid_t writer_pid = getpid();
char *json_buf = NULL;
int json_buf_off = 0;
#ifdef WITH_AVRO
avro_writer_t avro_writer;
char *avro_buf = NULL;
int avro_buffer_full = FALSE;
#endif
p_kafka_init_host(&kafkap_kafka_host, config.kafka_config_file);
/* setting some defaults */
if (!config.sql_host) config.sql_host = default_kafka_broker_host;
if (!config.kafka_broker_port) config.kafka_broker_port = default_kafka_broker_port;
if (!config.sql_table) config.sql_table = default_kafka_topic;
else {
if (strchr(config.sql_table, '$')) {
is_topic_dyn = TRUE;
orig_kafka_topic = config.sql_table;
}
}
if (config.amqp_routing_key_rr) orig_kafka_topic = config.sql_table;
p_kafka_init_topic_rr(&kafkap_kafka_host);
p_kafka_set_topic_rr(&kafkap_kafka_host, config.amqp_routing_key_rr);
empty_pcust = malloc(config.cpptrs.len);
if (!empty_pcust) {
Log(LOG_ERR, "ERROR ( %s/%s ): Unable to malloc() empty_pcust. Exiting.\n", config.name, config.type);
exit_plugin(1);
}
memset(&empty_pbgp, 0, sizeof(struct pkt_bgp_primitives));
memset(&empty_pnat, 0, sizeof(struct pkt_nat_primitives));
memset(&empty_pmpls, 0, sizeof(struct pkt_mpls_primitives));
memset(&empty_ptun, 0, sizeof(struct pkt_tunnel_primitives));
memset(empty_pcust, 0, config.cpptrs.len);
p_kafka_connect_to_produce(&kafkap_kafka_host);
p_kafka_set_broker(&kafkap_kafka_host, config.sql_host, config.kafka_broker_port);
if (!is_topic_dyn && !config.amqp_routing_key_rr) p_kafka_set_topic(&kafkap_kafka_host, config.sql_table);
p_kafka_set_partition(&kafkap_kafka_host, config.kafka_partition);
p_kafka_set_key(&kafkap_kafka_host, config.kafka_partition_key, config.kafka_partition_keylen);
if (config.message_broker_output & PRINT_OUTPUT_JSON) p_kafka_set_content_type(&kafkap_kafka_host, PM_KAFKA_CNT_TYPE_STR);
else if (config.message_broker_output & PRINT_OUTPUT_AVRO) p_kafka_set_content_type(&kafkap_kafka_host, PM_KAFKA_CNT_TYPE_BIN);
else {
Log(LOG_ERR, "ERROR ( %s/%s ): Unsupported kafka_output value specified. Exiting.\n", config.name, config.type);
exit_plugin(1);
}
for (j = 0, stop = 0; (!stop) && P_preprocess_funcs[j]; j++)
stop = P_preprocess_funcs[j](queue, &index, j);
Log(LOG_INFO, "INFO ( %s/%s ): *** Purging cache - START (PID: %u) ***\n", config.name, config.type, writer_pid);
start = time(NULL);
if (config.print_markers) {
if (config.message_broker_output & PRINT_OUTPUT_JSON || config.message_broker_output & PRINT_OUTPUT_AVRO) {
void *json_obj;
char *json_str;
json_obj = compose_purge_init_json(config.name, writer_pid);
if (json_obj) json_str = compose_json_str(json_obj);
if (json_str) {
Log(LOG_DEBUG, "DEBUG ( %s/%s ): %s\n\n", config.name, config.type, json_str);
ret = p_kafka_produce_data(&kafkap_kafka_host, json_str, strlen(json_str));
free(json_str);
json_str = NULL;
}
}
}
if (config.message_broker_output & PRINT_OUTPUT_JSON) {
if (config.sql_multi_values) {
json_buf = malloc(config.sql_multi_values);
if (!json_buf) {
Log(LOG_ERR, "ERROR ( %s/%s ): malloc() failed (json_buf). Exiting ..\n", config.name, config.type);
exit_plugin(1);
}
else memset(json_buf, 0, config.sql_multi_values);
}
}
else if (config.message_broker_output & PRINT_OUTPUT_AVRO) {
#ifdef WITH_AVRO
if (!config.avro_buffer_size) config.avro_buffer_size = LARGEBUFLEN;
avro_buf = malloc(config.avro_buffer_size);
if (!avro_buf) {
Log(LOG_ERR, "ERROR ( %s/%s ): malloc() failed (avro_buf). Exiting ..\n", config.name, config.type);
exit_plugin(1);
}
else memset(avro_buf, 0, config.avro_buffer_size);
avro_writer = avro_writer_memory(avro_buf, config.avro_buffer_size);
#endif
}
for (j = 0; j < index; j++) {
void *json_obj;
char *json_str;
if (queue[j]->valid != PRINT_CACHE_COMMITTED) continue;
data = &queue[j]->primitives;
if (queue[j]->pbgp) pbgp = queue[j]->pbgp;
else pbgp = &empty_pbgp;
if (queue[j]->pnat) pnat = queue[j]->pnat;
else pnat = &empty_pnat;
if (queue[j]->pmpls) pmpls = queue[j]->pmpls;
else pmpls = &empty_pmpls;
if (queue[j]->ptun) ptun = queue[j]->ptun;
else ptun = &empty_ptun;
if (queue[j]->pcust) pcust = queue[j]->pcust;
else pcust = empty_pcust;
if (queue[j]->pvlen) pvlen = queue[j]->pvlen;
else pvlen = NULL;
if (queue[j]->valid == PRINT_CACHE_FREE) continue;
if (config.message_broker_output & PRINT_OUTPUT_JSON) {
#ifdef WITH_JANSSON
json_t *json_obj = json_object();
int idx;
for (idx = 0; idx < N_PRIMITIVES && cjhandler[idx]; idx++) cjhandler[idx](json_obj, queue[j]);
add_writer_name_and_pid_json(json_obj, config.name, writer_pid);
json_str = compose_json_str(json_obj);
#endif
}
else if (config.message_broker_output & PRINT_OUTPUT_AVRO) {
#ifdef WITH_AVRO
avro_value_iface_t *avro_iface = avro_generic_class_from_schema(avro_acct_schema);
avro_value_t avro_value = compose_avro(config.what_to_count, config.what_to_count_2, queue[j]->flow_type,
&queue[j]->primitives, pbgp, pnat, pmpls, ptun, pcust, pvlen, queue[j]->bytes_counter,
queue[j]->packet_counter, queue[j]->flow_counter, queue[j]->tcp_flags,
&queue[j]->basetime, queue[j]->stitch, avro_iface);
size_t avro_value_size;
add_writer_name_and_pid_avro(avro_value, config.name, writer_pid);
avro_value_sizeof(&avro_value, &avro_value_size);
if (avro_value_size > config.avro_buffer_size) {
Log(LOG_ERR, "ERROR ( %s/%s ): AVRO: insufficient buffer size (avro_buffer_size=%u)\n",
config.name, config.type, config.avro_buffer_size);
Log(LOG_ERR, "ERROR ( %s/%s ): AVRO: increase value or look for avro_buffer_size in CONFIG-KEYS document.\n\n",
config.name, config.type);
exit_plugin(1);
}
else if (avro_value_size >= (config.avro_buffer_size - avro_writer_tell(avro_writer))) {
avro_buffer_full = TRUE;
j--;
}
else if (avro_value_write(avro_writer, &avro_value)) {
Log(LOG_ERR, "ERROR ( %s/%s ): AVRO: unable to write value: %s\n",
config.name, config.type, avro_strerror());
exit_plugin(1);
}
else {
mv_num++;
}
avro_value_decref(&avro_value);
avro_value_iface_decref(avro_iface);
#else
if (config.debug) Log(LOG_DEBUG, "DEBUG ( %s/%s ): compose_avro(): AVRO object not created due to missing --enable-avro\n", config.name, config.type);
#endif
}
if (config.message_broker_output & PRINT_OUTPUT_JSON) {
char *tmp_str = NULL;
if (json_str && config.sql_multi_values) {
int json_strlen = (strlen(json_str) ? (strlen(json_str) + 1) : 0);
if (json_strlen >= (config.sql_multi_values - json_buf_off)) {
if (json_strlen >= config.sql_multi_values) {
Log(LOG_ERR, "ERROR ( %s/%s ): kafka_multi_values not large enough to store JSON elements. Exiting ..\n", config.name, config.type);
exit(1);
}
tmp_str = json_str;
json_str = json_buf;
}
else {
strcat(json_buf, json_str);
mv_num++;
string_add_newline(json_buf);
json_buf_off = strlen(json_buf);
free(json_str);
json_str = NULL;
}
}
if (json_str) {
if (is_topic_dyn) {
P_handle_table_dyn_strings(dyn_kafka_topic, SRVBUFLEN, orig_kafka_topic, queue[j]);
p_kafka_set_topic(&kafkap_kafka_host, dyn_kafka_topic);
}
if (config.amqp_routing_key_rr) {
P_handle_table_dyn_rr(dyn_kafka_topic, SRVBUFLEN, orig_kafka_topic, &kafkap_kafka_host.topic_rr);
p_kafka_set_topic(&kafkap_kafka_host, dyn_kafka_topic);
}
Log(LOG_DEBUG, "DEBUG ( %s/%s ): %s\n\n", config.name, config.type, json_str);
ret = p_kafka_produce_data(&kafkap_kafka_host, json_str, strlen(json_str));
if (config.sql_multi_values) {
json_str = tmp_str;
strcpy(json_buf, json_str);
mv_num_save = mv_num;
mv_num = 1;
string_add_newline(json_buf);
json_buf_off = strlen(json_buf);
}
free(json_str);
json_str = NULL;
if (!ret) {
if (!config.sql_multi_values) qn++;
else qn += mv_num_save;
}
else break;
}
}
else if (config.message_broker_output & PRINT_OUTPUT_AVRO) {
#ifdef WITH_AVRO
if (!config.sql_multi_values || (mv_num >= config.sql_multi_values) || avro_buffer_full) {
if (is_topic_dyn) {
P_handle_table_dyn_strings(dyn_kafka_topic, SRVBUFLEN, orig_kafka_topic, queue[j]);
p_kafka_set_topic(&kafkap_kafka_host, dyn_kafka_topic);
}
if (config.amqp_routing_key_rr) {
P_handle_table_dyn_rr(dyn_kafka_topic, SRVBUFLEN, orig_kafka_topic, &kafkap_kafka_host.topic_rr);
p_kafka_set_topic(&kafkap_kafka_host, dyn_kafka_topic);
}
ret = p_kafka_produce_data(&kafkap_kafka_host, avro_buf, avro_writer_tell(avro_writer));
avro_writer_reset(avro_writer);
avro_buffer_full = FALSE;
mv_num_save = mv_num;
mv_num = 0;
if (!ret) qn += mv_num_save;
else break;
}
#endif
}
}
if (config.sql_multi_values) {
if (config.message_broker_output & PRINT_OUTPUT_JSON) {
if (json_buf && json_buf_off) {
/* no handling of dyn routing keys here: not compatible */
Log(LOG_DEBUG, "DEBUG ( %s/%s ): %s\n\n", config.name, config.type, json_buf);
ret = p_kafka_produce_data(&kafkap_kafka_host, json_buf, strlen(json_buf));
if (!ret) qn += mv_num;
}
}
else if (config.message_broker_output & PRINT_OUTPUT_AVRO) {
#ifdef WITH_AVRO
if (avro_writer_tell(avro_writer)) {
ret = p_kafka_produce_data(&kafkap_kafka_host, avro_buf, avro_writer_tell(avro_writer));
avro_writer_free(avro_writer);
if (!ret) qn += mv_num;
}
#endif
}
}
duration = time(NULL)-start;
if (config.print_markers) {
if (config.message_broker_output & PRINT_OUTPUT_JSON || config.message_broker_output & PRINT_OUTPUT_AVRO) {
void *json_obj;
char *json_str;
json_obj = compose_purge_close_json(config.name, writer_pid, qn, saved_index, duration);
if (json_obj) json_str = compose_json_str(json_obj);
if (json_str) {
sleep(1); /* Let's give a small delay to facilitate purge_close being
the last message in batch in case of partitioned topics */
Log(LOG_DEBUG, "DEBUG ( %s/%s ): %s\n\n", config.name, config.type, json_str);
ret = p_kafka_produce_data(&kafkap_kafka_host, json_str, strlen(json_str));
free(json_str);
json_str = NULL;
}
}
}
p_kafka_close(&kafkap_kafka_host, FALSE);
Log(LOG_INFO, "INFO ( %s/%s ): *** Purging cache - END (PID: %u, QN: %u/%u, ET: %u) ***\n",
config.name, config.type, writer_pid, qn, saved_index, duration);
if (config.sql_trigger_exec && !safe_action) P_trigger_exec(config.sql_trigger_exec);
if (empty_pcust) free(empty_pcust);
if (json_buf) free(json_buf);
#ifdef WITH_AVRO
if (avro_buf) free(avro_buf);
#endif
}
void kafka_cache_purge(struct chained_cache *queue[], int index)
{
struct pkt_primitives *data = NULL;
struct pkt_bgp_primitives *pbgp = NULL;
struct pkt_nat_primitives *pnat = NULL;
struct pkt_mpls_primitives *pmpls = NULL;
char *pcust = NULL;
struct pkt_vlen_hdr_primitives *pvlen = NULL;
struct pkt_bgp_primitives empty_pbgp;
struct pkt_nat_primitives empty_pnat;
struct pkt_mpls_primitives empty_pmpls;
char *empty_pcust = NULL;
char src_mac[18], dst_mac[18], src_host[INET6_ADDRSTRLEN], dst_host[INET6_ADDRSTRLEN], ip_address[INET6_ADDRSTRLEN];
char rd_str[SRVBUFLEN], misc_str[SRVBUFLEN], dyn_kafka_topic[SRVBUFLEN], *orig_kafka_topic = NULL;
int i, j, stop, batch_idx, is_topic_dyn = FALSE, qn = 0, ret, saved_index = index;
int mv_num = 0, mv_num_save = 0;
time_t start, duration;
pid_t writer_pid = getpid();
#ifdef WITH_JANSSON
json_t *array = json_array();
#endif
p_kafka_init_host(&kafkap_kafka_host);
/* setting some defaults */
if (!config.sql_host) config.sql_host = default_kafka_broker_host;
if (!config.kafka_broker_port) config.kafka_broker_port = default_kafka_broker_port;
if (!config.sql_table) config.sql_table = default_kafka_topic;
else {
if (strchr(config.sql_table, '$')) {
is_topic_dyn = TRUE;
orig_kafka_topic = config.sql_table;
config.sql_table = dyn_kafka_topic;
}
}
if (config.amqp_routing_key_rr) {
orig_kafka_topic = config.sql_table;
config.sql_table = dyn_kafka_topic;
}
p_kafka_init_topic_rr(&kafkap_kafka_host);
p_kafka_set_topic_rr(&kafkap_kafka_host, config.amqp_routing_key_rr);
empty_pcust = malloc(config.cpptrs.len);
if (!empty_pcust) {
Log(LOG_ERR, "ERROR ( %s/%s ): Unable to malloc() empty_pcust. Exiting.\n", config.name, config.type);
exit_plugin(1);
}
memset(&empty_pbgp, 0, sizeof(struct pkt_bgp_primitives));
memset(&empty_pnat, 0, sizeof(struct pkt_nat_primitives));
memset(&empty_pmpls, 0, sizeof(struct pkt_mpls_primitives));
memset(empty_pcust, 0, config.cpptrs.len);
p_kafka_connect_to_produce(&kafkap_kafka_host);
p_kafka_set_broker(&kafkap_kafka_host, config.sql_host, config.kafka_broker_port);
p_kafka_set_topic(&kafkap_kafka_host, config.sql_table);
p_kafka_set_partition(&kafkap_kafka_host, config.kafka_partition);
p_kafka_set_key(&kafkap_kafka_host, config.kafka_partition_key, config.kafka_partition_keylen);
p_kafka_set_content_type(&kafkap_kafka_host, PM_KAFKA_CNT_TYPE_STR);
for (j = 0, stop = 0; (!stop) && P_preprocess_funcs[j]; j++)
stop = P_preprocess_funcs[j](queue, &index, j);
Log(LOG_INFO, "INFO ( %s/%s ): *** Purging cache - START (PID: %u) ***\n", config.name, config.type, writer_pid);
start = time(NULL);
if (config.print_markers) {
void *json_obj;
char *json_str;
json_obj = compose_purge_init_json(writer_pid);
if (json_obj) json_str = compose_json_str(json_obj);
if (json_str) {
Log(LOG_DEBUG, "DEBUG ( %s/%s ): %s\n\n", config.name, config.type, json_str);
ret = p_kafka_produce_data(&kafkap_kafka_host, json_str, strlen(json_str));
free(json_str);
json_str = NULL;
}
}
for (j = 0; j < index; j++) {
void *json_obj;
char *json_str;
if (queue[j]->valid != PRINT_CACHE_COMMITTED) continue;
data = &queue[j]->primitives;
if (queue[j]->pbgp) pbgp = queue[j]->pbgp;
else pbgp = &empty_pbgp;
if (queue[j]->pnat) pnat = queue[j]->pnat;
else pnat = &empty_pnat;
if (queue[j]->pmpls) pmpls = queue[j]->pmpls;
else pmpls = &empty_pmpls;
if (queue[j]->pcust) pcust = queue[j]->pcust;
else pcust = empty_pcust;
if (queue[j]->pvlen) pvlen = queue[j]->pvlen;
else pvlen = NULL;
if (queue[j]->valid == PRINT_CACHE_FREE) continue;
json_obj = compose_json(config.what_to_count, config.what_to_count_2, queue[j]->flow_type,
&queue[j]->primitives, pbgp, pnat, pmpls, pcust, pvlen, queue[j]->bytes_counter,
queue[j]->packet_counter, queue[j]->flow_counter, queue[j]->tcp_flags,
&queue[j]->basetime, queue[j]->stitch);
json_str = compose_json_str(json_obj);
#ifdef WITH_JANSSON
if (json_str && config.sql_multi_values) {
json_t *elem = NULL;
char *tmp_str = json_str;
int do_free = FALSE;
if (json_array_size(array) >= config.sql_multi_values) {
json_str = json_dumps(array, 0);
json_array_clear(array);
mv_num_save = mv_num;
mv_num = 0;
}
else do_free = TRUE;
elem = json_loads(tmp_str, 0, NULL);
json_array_append_new(array, elem);
mv_num++;
if (do_free) {
free(json_str);
json_str = NULL;
}
}
#endif
if (json_str) {
if (is_topic_dyn) {
P_handle_table_dyn_strings(dyn_kafka_topic, SRVBUFLEN, orig_kafka_topic, queue[j]);
p_kafka_set_topic(&kafkap_kafka_host, dyn_kafka_topic);
}
if (config.amqp_routing_key_rr) {
P_handle_table_dyn_rr(dyn_kafka_topic, SRVBUFLEN, orig_kafka_topic, &kafkap_kafka_host.topic_rr);
p_kafka_set_topic(&kafkap_kafka_host, dyn_kafka_topic);
}
Log(LOG_DEBUG, "DEBUG ( %s/%s ): %s\n\n", config.name, config.type, json_str);
ret = p_kafka_produce_data(&kafkap_kafka_host, json_str, strlen(json_str));
free(json_str);
json_str = NULL;
if (!ret) {
if (!config.sql_multi_values) qn++;
else qn += mv_num_save;
}
else break;
}
}
#ifdef WITH_JANSSON
if (config.sql_multi_values && json_array_size(array)) {
char *json_str;
json_str = json_dumps(array, 0);
json_array_clear(array);
json_decref(array);
if (json_str) {
/* no handling of dyn routing keys here: not compatible */
Log(LOG_DEBUG, "DEBUG ( %s/%s ): %s\n\n", config.name, config.type, json_str);
ret = p_kafka_produce_data(&kafkap_kafka_host, json_str, strlen(json_str));
free(json_str);
json_str = NULL;
if (!ret) qn += mv_num;
}
}
#endif
duration = time(NULL)-start;
if (config.print_markers) {
void *json_obj;
char *json_str;
json_obj = compose_purge_close_json(writer_pid, qn, saved_index, duration);
if (json_obj) json_str = compose_json_str(json_obj);
if (json_str) {
Log(LOG_DEBUG, "DEBUG ( %s/%s ): %s\n\n", config.name, config.type, json_str);
ret = p_kafka_produce_data(&kafkap_kafka_host, json_str, strlen(json_str));
free(json_str);
json_str = NULL;
}
}
p_kafka_close(&kafkap_kafka_host, FALSE);
Log(LOG_INFO, "INFO ( %s/%s ): *** Purging cache - END (PID: %u, QN: %u/%u, ET: %u) ***\n",
config.name, config.type, writer_pid, qn, saved_index, duration);
if (config.sql_trigger_exec) P_trigger_exec(config.sql_trigger_exec);
if (empty_pcust) free(empty_pcust);
}