private static Stream GetSharedMemoryStream(MySqlConnectionStringBuilder settings)
{
SharedMemoryStream str = new SharedMemoryStream(settings.SharedMemoryName);
str.Open(settings.ConnectionTimeout);
return(str);
}
private static Stream GetSharedMemoryStream(MySqlConnectionStringBuilder settings)
{
#if NETSTANDARD1_6
throw new NotSupportedException("Shared memory streams not currently supported.");
#else
SharedMemoryStream str = new SharedMemoryStream(settings.SharedMemoryName);
str.Open(settings.ConnectionTimeout);
return(str);
#endif
}
public void Open()
{
// connect to one of our specified hosts
try
{
#if !CF
if (Settings.ConnectionProtocol == MySqlConnectionProtocol.SharedMemory)
{
SharedMemoryStream str = new SharedMemoryStream(Settings.SharedMemoryName);
str.Open(Settings.ConnectionTimeout);
baseStream = str;
}
else
{
#endif
string pipeName = Settings.PipeName;
if (Settings.ConnectionProtocol != MySqlConnectionProtocol.NamedPipe)
pipeName = null;
StreamCreator sc = new StreamCreator(Settings.Server, Settings.Port, pipeName,
Settings.Keepalive, this.Version);
#if !CF
if (Settings.IncludeSecurityAsserts)
MySqlSecurityPermission.CreatePermissionSet(false).Assert();
#endif
baseStream = sc.GetStream(Settings.ConnectionTimeout);
#if !CF
}
#endif
}
catch (System.Security.SecurityException)
{
throw;
}
catch (Exception ex)
{
throw new MySqlException(Resources.UnableToConnectToHost,
(int)MySqlErrorCode.UnableToConnectToHost, ex);
}
if (baseStream == null)
throw new MySqlException(Resources.UnableToConnectToHost,
(int)MySqlErrorCode.UnableToConnectToHost);
int maxSinglePacket = 255 * 255 * 255;
stream = new MySqlStream(baseStream, Encoding, false);
stream.ResetTimeout((int)Settings.ConnectionTimeout * 1000);
// read off the welcome packet and parse out it's values
packet = stream.ReadPacket();
int protocol = packet.ReadByte();
string versionString = packet.ReadString();
version = DBVersion.Parse(versionString);
if (!version.isAtLeast(5, 0, 0))
throw new NotSupportedException(Resources.ServerTooOld);
threadId = packet.ReadInteger(4);
encryptionSeed = packet.ReadString();
maxSinglePacket = (256 * 256 * 256) - 1;
// read in Server capabilities if they are provided
ClientFlags serverCaps = 0;
if (packet.HasMoreData)
serverCaps = (ClientFlags)packet.ReadInteger(2);
/* New protocol with 16 bytes to describe server characteristics */
owner.ConnectionCharSetIndex = (int)packet.ReadByte();
serverStatus = (ServerStatusFlags)packet.ReadInteger(2);
// Since 5.5, high bits of server caps are stored after status.
// Previously, it was part of reserved always 0x00 13-byte filler.
uint serverCapsHigh = (uint)packet.ReadInteger(2);
serverCaps |= (ClientFlags)(serverCapsHigh << 16);
packet.Position += 11;
string seedPart2 = packet.ReadString();
encryptionSeed += seedPart2;
string authenticationMethod = "";
if ((serverCaps & ClientFlags.PLUGIN_AUTH) != 0)
{
authenticationMethod = packet.ReadString();
}
else
{
// Some MySql versions like 5.1, don't give name of plugin, default to native password.
authenticationMethod = "mysql_native_password";
}
// based on our settings, set our connection flags
SetConnectionFlags(serverCaps);
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
#if !CF
if ((serverCaps & ClientFlags.SSL) == 0)
{
if ((Settings.SslMode != MySqlSslMode.None)
&& (Settings.SslMode != MySqlSslMode.Preferred))
{
// Client requires SSL connections.
string message = String.Format(Resources.NoServerSSLSupport,
Settings.Server);
throw new MySqlException(message);
}
}
else if (Settings.SslMode != MySqlSslMode.None)
{
stream.SendPacket(packet);
StartSSL();
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
}
#endif
packet.WriteInteger(maxSinglePacket, 4);
packet.WriteByte(8);
packet.Write(new byte[23]);
Authenticate(authenticationMethod, false);
// if we are using compression, then we use our CompressedStream class
// to hide the ugliness of managing the compression
if ((connectionFlags & ClientFlags.COMPRESS) != 0)
stream = new MySqlStream(baseStream, Encoding, true);
// give our stream the server version we are connected to.
// We may have some fields that are read differently based
// on the version of the server we are connected to.
packet.Version = version;
stream.MaxBlockSize = maxSinglePacket;
}
private static Stream GetSharedMemoryStream(MySqlConnectionStringBuilder settings)
{
SharedMemoryStream str = new SharedMemoryStream(settings.SharedMemoryName);
str.Open(settings.ConnectionTimeout);
return str;
}
public override void Open()
{
base.Open();
// connect to one of our specified hosts
try
{
#if !CF
if (Settings.ConnectionProtocol == MySqlConnectionProtocol.SharedMemory)
{
SharedMemoryStream str = new SharedMemoryStream(Settings.SharedMemoryName);
str.Open(Settings.ConnectionTimeout);
baseStream = str;
}
else
{
#endif
string pipeName = Settings.PipeName;
if (Settings.ConnectionProtocol != MySqlConnectionProtocol.NamedPipe)
pipeName = null;
StreamCreator sc = new StreamCreator(Settings.Server, Settings.Port, pipeName);
baseStream = sc.GetStream(Settings.ConnectionTimeout);
#if !CF
}
#endif
if (baseStream == null)
throw new Exception();
}
catch (Exception ex)
{
throw new MySqlException(Resources.UnableToConnectToHost,
(int) MySqlErrorCode.UnableToConnectToHost, ex);
}
if (baseStream == null)
throw new MySqlException("Unable to connect to any of the specified MySQL hosts");
int maxSinglePacket = 255*255*255;
stream = new MySqlStream(baseStream, encoding, false);
// read off the welcome packet and parse out it's values
stream.OpenPacket();
protocol = stream.ReadByte();
string versionString = stream.ReadString();
version = DBVersion.Parse(versionString);
threadId = stream.ReadInteger(4);
encryptionSeed = stream.ReadString();
if (version.isAtLeast(4, 0, 8))
maxSinglePacket = (256*256*256) - 1;
// read in Server capabilities if they are provided
serverCaps = 0;
if (stream.HasMoreData)
serverCaps = (ClientFlags) stream.ReadInteger(2);
if (version.isAtLeast(4, 1, 1))
{
/* New protocol with 16 bytes to describe server characteristics */
serverCharSetIndex = stream.ReadInteger(1);
serverStatus = (ServerStatusFlags) stream.ReadInteger(2);
stream.SkipBytes(13);
string seedPart2 = stream.ReadString();
encryptionSeed += seedPart2;
}
// based on our settings, set our connection flags
SetConnectionFlags();
stream.StartOutput(0, false);
stream.WriteInteger((int) connectionFlags,
version.isAtLeast(4, 1, 0) ? 4 : 2);
#if !CF
if (connectionString.UseSSL && (serverCaps & ClientFlags.SSL) != 0)
{
stream.Flush();
StartSSL();
stream.StartOutput(0, false);
stream.WriteInteger((int) connectionFlags,
version.isAtLeast(4, 1, 0) ? 4 : 2);
}
#endif
stream.WriteInteger(maxSinglePacket,
version.isAtLeast(4, 1, 0) ? 4 : 3);
if (version.isAtLeast(4, 1, 1))
{
stream.WriteByte(8);
stream.Write(new byte[23]);
}
Authenticate();
// if we are using compression, then we use our CompressedStream class
// to hide the ugliness of managing the compression
if ((connectionFlags & ClientFlags.COMPRESS) != 0)
stream = new MySqlStream(baseStream, encoding, true);
// give our stream the server version we are connected to.
// We may have some fields that are read differently based
// on the version of the server we are connected to.
stream.Version = version;
stream.MaxBlockSize = maxSinglePacket;
isOpen = true;
}
public void Open()
{
// connect to one of our specified hosts
try
{
#if !CF
if (Settings.ConnectionProtocol == MySqlConnectionProtocol.SharedMemory)
{
SharedMemoryStream str = new SharedMemoryStream(Settings.SharedMemoryName);
str.Open(Settings.ConnectionTimeout);
baseStream = str;
}
else
{
#endif
string pipeName = Settings.PipeName;
if (Settings.ConnectionProtocol != MySqlConnectionProtocol.NamedPipe)
pipeName = null;
StreamCreator sc = new StreamCreator(Settings.Server, Settings.Port, pipeName,
Settings.Keepalive);
baseStream = sc.GetStream(Settings.ConnectionTimeout);
#if !CF
}
#endif
}
catch (Exception ex)
{
throw new MySqlException(MySqlResources.UnableToConnectToHost,
(int) MySqlErrorCode.UnableToConnectToHost, ex);
}
if (baseStream == null)
throw new MySqlException(MySqlResources.UnableToConnectToHost,
(int)MySqlErrorCode.UnableToConnectToHost);
int maxSinglePacket = 255*255*255;
stream = new MySqlStream(baseStream, Encoding, false);
stream.ResetTimeout((int)Settings.ConnectionTimeout*1000);
// read off the welcome packet and parse out it's values
packet = stream.ReadPacket();
int protocol = packet.ReadByte();
string versionString = packet.ReadString();
version = DBVersion.Parse(versionString);
if (!version.isAtLeast(4, 1, 1))
throw new NotSupportedException(MySqlResources.ServerTooOld);
threadId = packet.ReadInteger(4);
encryptionSeed = packet.ReadString();
maxSinglePacket = (256*256*256) - 1;
// read in Server capabilities if they are provided
ClientFlags serverCaps = 0;
if (packet.HasMoreData)
serverCaps = (ClientFlags) packet.ReadInteger(2);
/* New protocol with 16 bytes to describe server characteristics */
owner.ConnectionCharSetIndex = (int)packet.ReadByte();
serverStatus = (ServerStatusFlags) packet.ReadInteger(2);
packet.Position += 13;
string seedPart2 = packet.ReadString();
encryptionSeed += seedPart2;
// based on our settings, set our connection flags
SetConnectionFlags(serverCaps);
packet.Clear();
packet.WriteInteger((int) connectionFlags, 4);
#if !CF
if ((serverCaps & ClientFlags.SSL) ==0)
{
if ((Settings.SslMode != MySqlSslMode.None)
&& (Settings.SslMode != MySqlSslMode.Preferred))
{
// Client requires SSL connections.
string message = String.Format(MySqlResources.NoServerSSLSupport,
Settings.Server);
throw new MySqlException(message);
}
}
else if (Settings.SslMode != MySqlSslMode.None)
{
stream.SendPacket(packet);
StartSSL();
packet.Clear();
packet.WriteInteger((int) connectionFlags, 4);
}
#endif
packet.WriteInteger(maxSinglePacket, 4);
packet.WriteByte(8);
packet.Write(new byte[23]);
Authenticate();
// if we are using compression, then we use our CompressedStream class
// to hide the ugliness of managing the compression
if ((connectionFlags & ClientFlags.COMPRESS) != 0)
stream = new MySqlStream(baseStream, Encoding, true);
// give our stream the server version we are connected to.
// We may have some fields that are read differently based
// on the version of the server we are connected to.
packet.Version = version;
stream.MaxBlockSize = maxSinglePacket;
}
