ex_external.c

#include <float.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
 
#include "common.h"
#include "libnewrelic.h"
 
int main(void) {
  newrelic_app_t* app = 0;
  newrelic_txn_t* txn = 0;
  newrelic_app_config_t* config = 0;
  newrelic_external_segment_params_t params = {
      .procedure = "GET",
      .uri = "https://httpbin.org/delay/1",
  };
  newrelic_segment_t* segment = 0;
 
  example_init();
 
  char* app_name = get_app_name();
  if (NULL == app_name)
    return -1;
 
  char* license_key = get_license_key();
  if (NULL == license_key)
    return -1;
 
  config = newrelic_create_app_config(app_name, license_key);
 
  customize_config(&config);
 
  /* Change the transaction tracer threshold to ensure a trace is generated */
  config->transaction_tracer.threshold = NEWRELIC_THRESHOLD_IS_OVER_DURATION;
  config->transaction_tracer.duration_us = 1;
 
  /* Wait up to 10 seconds for the SDK to connect to the daemon */
  app = newrelic_create_app(config, 10000);
  newrelic_destroy_app_config(&config);
 
  /* Start a web transaction */
  txn = newrelic_start_web_transaction(app, "ExampleWebTransaction");
 
  /* Fake a web request by sleeping for one second. In a more typical
   * instrumentation scenario the start() and stop() calls for the external
   * segment would be before and after code performing an HTTP or SOAP
   * operation, for example. */
  segment = newrelic_start_external_segment(txn, &params);
  sleep(1);
  newrelic_end_segment(txn, &segment);
 
  /* End web transaction */
  newrelic_end_transaction(&txn);
 
  newrelic_destroy_app(&app);
 
  return 0;
}