internal readonly int CompressionBlockSize = 1024 * 8; // Maybe it should be configurable
internal ClickHouseConnectionSettings(ClickHouseConnectionStringBuilder builder)
{
if (string.IsNullOrWhiteSpace(builder.Host))
{
throw new ArgumentException("The host is not defined.", nameof(builder));
}
if (builder.BufferSize <= 0)
{
throw new ArgumentException("The size of the buffer must be a positive number.", nameof(builder));
}
Host = builder.Host;
Port = builder.Port;
User = builder.User;
Password = string.IsNullOrEmpty(builder.Password) ? null : builder.Password;
Database = string.IsNullOrEmpty(builder.Database) ? null : builder.Database;
ReadWriteTimeout = builder.ReadWriteTimeout;
BufferSize = builder.BufferSize;
ClientName = builder.ClientName;
ClientVersion = builder.ClientVersion;
Compress = builder.Compress;
CommandTimeout = builder.CommandTimeout;
TlsMode = builder.TlsMode;
RootCertificate = builder.RootCertificate;
ServerCertificateHash = ParseHashString(builder.ServerCertificateHash);
ParametersMode = builder.ParametersMode;
}
/// <summary>
/// Initializes a new instance of <see cref="ClickHouseConnection"/> with the settings.
/// </summary>
/// <param name="stringBuilder">The connection string builder which will be used for building the connection settings.</param>
/// <param name="typeInfoProvider">Optional parameter. The provider of types for the connection. If the value is not specified the default type provider (<see cref="DefaultTypeInfoProvider.Instance"/>) will be used.</param>
public ClickHouseConnection(ClickHouseConnectionStringBuilder stringBuilder, IClickHouseTypeInfoProvider?typeInfoProvider)
{
if (stringBuilder == null)
{
throw new ArgumentNullException(nameof(stringBuilder));
}
var connectionSettings = stringBuilder.BuildSettings();
_connectionState = new ClickHouseConnectionState(ConnectionState.Closed, null, connectionSettings, 0);
_typeInfoProvider = typeInfoProvider;
}
private static (ClickHouseConnectionSettings settings, string connectionString) GetConnectionSettingsInternal(Action <ClickHouseConnectionStringBuilder>?updateSettings)
{
const string envVariableName = "CLICKHOUSE_TEST_CONNECTION";
const string configFileName = "clickHouse.dbconfig";
const string conStrExample = "host=clickhouse.example.com; port=9000; user=default;";
var configTextFromEnvVar = Environment.GetEnvironmentVariable(envVariableName);
if (configTextFromEnvVar != null)
{
try
{
var builder = new ClickHouseConnectionStringBuilder(configTextFromEnvVar);
updateSettings?.Invoke(builder);
return(builder.BuildSettings(), configTextFromEnvVar);
}
catch (Exception ex)
{
throw new InvalidOperationException($"The connection string from the environment variable '{envVariableName}' is not valid. Connection string example: '{conStrExample}'. {ex.Message}", ex);
}
}
string configPath = Path.Combine(AppContext.BaseDirectory, configFileName);
if (!File.Exists(configPath))
{
throw new InvalidOperationException(
"The connection string is required. " +
$"Please, set the environment variable '{envVariableName}' or write the connection string to the file '{configFileName}'. " +
$"Connection string example: '{conStrExample}'.");
}
string configText = File.ReadAllText(configPath);
try
{
var builder = new ClickHouseConnectionStringBuilder(configText);
updateSettings?.Invoke(builder);
return(builder.BuildSettings(), configText);
}
catch (Exception ex)
{
throw new InvalidOperationException($"The connection string from the file '{configFileName}' is not valid. Connection string example: '{conStrExample}'. {ex.Message}", ex);
}
}
public static ClickHouseConnectionSettings GetConnectionSettings()
{
const string configFileName = "clickHouse.dbconfig";
const string conStrExample = "host=domain.com; port=9000; user=default;";
string configPath = Path.Combine(AppContext.BaseDirectory, configFileName);
if (!File.Exists(configPath))
{
throw new FileNotFoundException($"File '{configFileName}' not found. This file is required. It should contain the connection string. Connection string example: '{conStrExample}'.");
}
string configText = File.ReadAllText(configPath);
try
{
var builder = new ClickHouseConnectionStringBuilder(configText);
return(builder.BuildSettings());
}
catch (Exception ex)
{
throw new InvalidOperationException($"The connection string from the file '{configFileName}' is not valid. Connection string example: {ex.Message}", ex);
}
}
internal readonly int CompressionBlockSize = 1024 * 8; // Maybe it should be configurable
internal ClickHouseConnectionSettings(ClickHouseConnectionStringBuilder builder)
{
if (string.IsNullOrWhiteSpace(builder.Host))
{
throw new ArgumentException("The host is not defined.", nameof(builder));
}
if (builder.BufferSize <= 0)
{
throw new ArgumentException("The size of the buffer must be a positive number.", nameof(builder));
}
Host = builder.Host;
Port = builder.Port;
User = builder.User;
Password = builder.Password;
Database = builder.Database;
ReadWriteTimeout = builder.ReadWriteTimeout;
BufferSize = builder.BufferSize;
ClientName = builder.ClientName;
ClientVersion = builder.ClientVersion;
Compress = builder.Compress;
CommandTimeout = builder.CommandTimeout;
}
/// <summary>
/// Initializes a new instance of <see cref="ClickHouseConnection"/> with the settings and the default type provider.
/// </summary>
/// <param name="stringBuilder">The connection string builder which will be used for building the connection settings.</param>
public ClickHouseConnection(ClickHouseConnectionStringBuilder stringBuilder)
: this(stringBuilder, null)
{
}
