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// Copyright 2009-present MongoDB, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <cstdlib>
#include <iostream>
#include <string>
#include <bsoncxx/builder/basic/document.hpp>
#include <bsoncxx/builder/basic/kvp.hpp>
#include <bsoncxx/json.hpp>
#include <mongocxx/client.hpp>
#include <mongocxx/instance.hpp>
#include <mongocxx/logger.hpp>
#include <mongocxx/options/client.hpp>
#include <mongocxx/uri.hpp>
#include <examples/macros.hh>
namespace {
class logger final : public mongocxx::logger {
public:
explicit logger(std::ostream* stream) : _stream(stream) {}
void operator()(mongocxx::log_level level,
bsoncxx::stdx::string_view domain,
bsoncxx::stdx::string_view message) noexcept override {
if (level >= mongocxx::log_level::k_trace)
return;
*_stream << '[' << mongocxx::to_string(level) << '@' << domain << "] " << message << '\n';
}
private:
std::ostream* const _stream;
};
// Use `std::make_unique` with C++14 and newer.
std::unique_ptr<logger> make_logger() {
return std::unique_ptr<logger>(new logger(&std::cout));
}
} // namespace
int EXAMPLES_CDECL main(int argc, char* argv[]) {
using bsoncxx::builder::basic::kvp;
using bsoncxx::builder::basic::make_document;
// The mongocxx::instance constructor and destructor initialize and shut down the driver,
// respectively. Therefore, a mongocxx::instance must be created before using the driver and
// must remain alive for as long as the driver is in use.
mongocxx::instance inst{make_logger()};
try {
const auto uri = mongocxx::uri{(argc >= 2) ? argv[1] : mongocxx::uri::k_default_uri};
mongocxx::options::client client_options;
if (uri.tls()) {
mongocxx::options::tls tls_options;
// NOTE: To test TLS, you may need to set options.
//
// If the server certificate is not signed by a well-known CA,
// you can set a custom CA file with the `ca_file` option.
// tls_options.ca_file("/path/to/custom/cert.pem");
//
// If you want to disable certificate verification, you
// can set the `allow_invalid_certificates` option.
// tls_options.allow_invalid_certificates(true);
client_options.tls_opts(tls_options);
}
auto client = mongocxx::client{uri, client_options};
auto admin = client["admin"];
auto result = admin.run_command(make_document(kvp("ping", 1)));
std::cout << bsoncxx::to_json(result) << "\n";
return EXIT_SUCCESS;
} catch (const std::exception& xcp) {
std::cout << "connection failed: " << xcp.what() << "\n";
return EXIT_FAILURE;
}
}
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