MongoDB build sample - Fedora

mongodb-build-sample-fedora.txt

$ sudo dnf install mongodb mongodb-server
$ sudo dnf install mongo-c*driver
$ sudo dnf install mongo-c*driver-devel
$ sudo dnf install mongodb*devel
$ sudo dnf install mongo*devel
$ sudo dnf install mongodb*devel
$ sudo dnf install mongo-c*driver-devel
$ sudo dnf install libmongo-client.x86_64
$ sudo dnf install mongo-c-driver.x86_64


mongo.c:

#include "mongoc.h"

int main() {
    const char *uri_string = "mongodb://localhost:27017";
    mongoc_uri_t *uri;
    mongoc_client_t *client;
    mongoc_database_t *database;
    mongoc_collection_t *collection;
    bson_t *command, reply, *insert;
    bson_error_t error;
    char *str;
    bool retval;

    mongoc_init();

    uri = mongoc_uri_new_with_error (uri_string, &error);

    if (!uri) {
        fprintf(stderr, "failed to parse URI: %s\n"
                        "error message:       %s\n",
                        uri_string,
                        error.message);
        return EXIT_FAILURE;
    }

    client = mongoc_client_new_from_uri(uri);

    if (!client) {
        return EXIT_FAILURE;
    }

    /*
    * Register the application name so we can track it in the profile logs
    * on the server. This can also be done from the URI (see other examples).
    */
   mongoc_client_set_appname (client, "connect-example");

   /*
    * Get a handle on the database "db_name" and collection "coll_name"
    */
   database = mongoc_client_get_database (client, "db_name");
   collection = mongoc_client_get_collection (client, "db_name", "coll_name");

   /*
    * Do work. This example pings the database, prints the result as JSON and
    * performs an insert
    */
   command = BCON_NEW ("ping", BCON_INT32 (1));

   retval = mongoc_client_command_simple (
      client, "admin", command, NULL, &reply, &error);

   if (!retval) {
      fprintf (stderr, "%s\n", error.message);
      return EXIT_FAILURE;
   }

   str = bson_as_json (&reply, NULL);
   printf ("%s\n", str);

   insert = BCON_NEW ("hello", BCON_UTF8 ("world"));

   if (!mongoc_collection_insert_one (collection, insert, NULL, NULL, &error)) {
      fprintf (stderr, "%s\n", error.message);
   }

   bson_destroy (insert);
   bson_destroy (&reply);
   bson_destroy (command);
   bson_free (str);

   /*
    * Release our handles and clean up libmongoc
    */
   mongoc_collection_destroy (collection);
   mongoc_database_destroy (database);
   mongoc_uri_destroy (uri);
   mongoc_client_destroy (client);
   mongoc_cleanup ();

   return EXIT_SUCCESS;
}


$ gcc -I /usr/include/libmongoc-1.0 -I /usr/include/libbson-1.0 mongo.c -lmongoc-1.0 -lbson-1.0


References:
- http://mongoc.org/libmongoc/current/tutorial.html
- http://mongoc.org/libmongoc/1.9.2/tutorial.html
- https://docs.mongodb.com/manual/tutorial/getting-started/
- https://www.tutorialspoint.com/mongodb/
- https://developer.fedoraproject.org/tech/database/mongodb/about.html