Exemple #1
0
        /// <summary>
        /// Create a new MySql Server database
        /// </summary>
        private static async Task CreateMariaDBDatabaseAsync(string dbName, bool recreateDb = true)
        {
            var onRetry = new Func <Exception, int, TimeSpan, object, Task>((ex, cpt, ts, arg) =>
            {
                Console.WriteLine($"Creating MariaDB database failed when connecting to information_schema ({ex.Message}). Wating {ts.Milliseconds}. Try number {cpt}");
                return(Task.CompletedTask);
            });

            SyncPolicy policy = SyncPolicy.WaitAndRetry(3, TimeSpan.FromMilliseconds(500), null, onRetry);

            await policy.ExecuteAsync(async() =>
            {
                using var sysConnection = new MySqlConnection(Setup.GetMariaDBDatabaseConnectionString("information_schema"));
                sysConnection.Open();

                if (recreateDb)
                {
                    using var cmdDrop = new MySqlCommand($"Drop schema if exists  {dbName};", sysConnection);
                    await cmdDrop.ExecuteNonQueryAsync();
                }

                using (var cmdDb = new MySqlCommand($"create schema {dbName};", sysConnection))
                    cmdDb.ExecuteNonQuery();

                sysConnection.Close();
            });
        }
        /// <summary>
        /// Ensure we have policy. Create a new one, if not provided
        /// </summary>
        private SyncPolicy EnsurePolicy(SyncPolicy policy)
        {
            if (policy != default)
            {
                return(policy);
            }

            // Defining my retry policy
            policy = SyncPolicy.WaitAndRetry(2,
                                             (retryNumber) =>
            {
                return(TimeSpan.FromMilliseconds(500 * retryNumber));
            },
                                             (ex, arg) =>
            {
                var webEx = ex as SyncException;

                // handle session lost
                return(webEx == null || webEx.TypeName != nameof(HttpSessionLostException));
            }, async(ex, cpt, ts, arg) =>
            {
                await this.InterceptAsync(new HttpSyncPolicyArgs(10, cpt, ts), default).ConfigureAwait(false);
            });


            return(policy);
        }
Exemple #3
0
        /// <summary>
        /// Create a new Sql Server database
        /// </summary>
        public static async Task CreateSqlServerDatabaseAsync(string dbName, bool recreateDb = true)
        {
            var onRetry = new Func <Exception, int, TimeSpan, object, Task>((ex, cpt, ts, arg) =>
            {
                Console.WriteLine($"Creating SQL Server database failed when connecting to master ({ex.Message}). Wating {ts.Milliseconds}. Try number {cpt}");
                return(Task.CompletedTask);
            });

            SyncPolicy policy = SyncPolicy.WaitAndRetry(3, TimeSpan.FromMilliseconds(500), null, onRetry);

            await policy.ExecuteAsync(async() =>
            {
                using var masterConnection = new SqlConnection(Setup.GetSqlDatabaseConnectionString("master"));
                masterConnection.Open();

                using (var cmdDb = new SqlCommand(GetSqlCreationScript(dbName, recreateDb), masterConnection))
                    await cmdDb.ExecuteNonQueryAsync();

                masterConnection.Close();
            });
        }