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output.c
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output.c
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#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>
#include <errno.h>
#include <time.h>
#include <librdkafka/rdkafka.h>
#include "output.h"
#include "config.h"
int partition = RD_KAFKA_PARTITION_UA;
rd_kafka_topic_t *rktt;
void sn_init_output() {
char tmp[16];
char errstr[512];
char *brokers = KAFKA_HOST;
char *topic = KAFKA_TOPIC;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
conf = rd_kafka_conf_new();
snprintf(tmp, sizeof(tmp), "%i", SIGIO);
rd_kafka_conf_set(conf, "internal.termination.signal", tmp, NULL, 0);
topic_conf = rd_kafka_topic_conf_new();
rd_kafka_t *rkt = NULL;
if (!(rkt = rd_kafka_new(RD_KAFKA_PRODUCER, conf, errstr, sizeof(errstr))))
{
fprintf(stderr, "%% create new producer failed: %s\n", errstr);
exit(1);
}
if (rd_kafka_brokers_add(rkt, brokers) == 0)
{
fprintf(stderr, "%% no valid brokers specified\n");
exit(1);
}
rktt = rd_kafka_topic_new(rkt, topic, topic_conf);
}
int output(struct json_object *resJson) {
time_t tt = time(NULL);
json_object_object_add(resJson, "time", json_object_new_int(tt));
json_object_object_add(resJson, "from", json_object_new_string(idc_name));
const char *kafkaMsg = json_object_to_json_string(resJson);
if (kafka_output == 1)
{
if (rkt == NULL)
printf("rkt is null\n");
if (rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY, kafkaMsg, strlen(kafkaMsg), NULL, 0, NULL) == -1) {
fprintf(stderr, "%% produce to topic failed %s "
"partition %i: %s\n",
rd_kafka_topic_name(rkt),
partition,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
}
return 0;
}
else
{
fprintf(stderr, "%s\n", kafkaMsg);
return 0;
}
}