46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
// Copyright The OpenTelemetry Authors
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#include <cstdio>
|
|
#include <fstream> // IWYU pragma: keep
|
|
#include <iostream>
|
|
#include <iterator>
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include "opentelemetry/nostd/string_view.h"
|
|
#include "opentelemetry/plugin/dynamic_load.h"
|
|
#include "opentelemetry/plugin/factory.h"
|
|
#include "opentelemetry/trace/tracer.h"
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
if (argc != 3)
|
|
{
|
|
std::cerr << "Usage: load_plugin <plugin> <config>\n";
|
|
return -1;
|
|
}
|
|
std::string error_message;
|
|
auto factory = opentelemetry::plugin::LoadFactory(argv[1], error_message);
|
|
if (factory == nullptr)
|
|
{
|
|
std::cerr << "Failed to load opentelemetry plugin: " << error_message << "\n";
|
|
return -1;
|
|
}
|
|
std::ifstream config_in{argv[2]};
|
|
if (!config_in.good())
|
|
{
|
|
std::perror("Failed to open config file");
|
|
return -1;
|
|
}
|
|
std::string config{std::istreambuf_iterator<char>{config_in}, std::istreambuf_iterator<char>{}};
|
|
auto tracer = factory->MakeTracer(config, error_message);
|
|
if (tracer == nullptr)
|
|
{
|
|
std::cerr << "Failed to make tracer: " << error_message << "\n";
|
|
return -1;
|
|
}
|
|
auto span = tracer->StartSpan("abc");
|
|
return 0;
|
|
}
|