Write() публичный Метод

public Write ( byte bytesToWrite ) : void
bytesToWrite byte
Результат void
Пример #1
0
        /// <summary>
        /// Sets the current database for the this connection
        /// </summary>
        /// <param name="dbName"></param>
        public void SetDatabase(string dbName)
        {
            byte[] dbNameBytes = Encoding.GetBytes(dbName);

            packet.Clear();
            packet.WriteByte((byte)DBCmd.INIT_DB);
            packet.Write(dbNameBytes);
            ExecutePacket(packet);

            ReadOk(true);
        }
Пример #2
0
 void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
 {
   double v = (val is double) ? (double)val : Convert.ToDouble(val);
   if (binary)
     packet.Write(BitConverter.GetBytes(v));
   else
     packet.WriteStringNoNull(v.ToString("R", CultureInfo.InvariantCulture));
 }
Пример #3
0
        /// <summary>
        /// LoadPacket loads up and decodes the header of the incoming packet.
        /// </summary>
        public void LoadPacket()
        {
            try
            {
                packet.Length = 0;
                int offset = 0;
                while (true)
                {
                    ReadFully(inStream, packetHeader, 0, 4);
                    sequenceByte = (byte)(packetHeader[3] + 1);
                    int length = (int)(packetHeader[0] + (packetHeader[1] << 8) +
                                       (packetHeader[2] << 16));

                    // make roo for the next block
                    packet.Length += length;

#if RT
                    byte[] tempBuffer = new byte[length];
                    ReadFully(inStream, tempBuffer, offset, length);
                    packet.Write(tempBuffer);
#else
                    ReadFully(inStream, packet.Buffer, offset, length);
#endif
                    offset += length;

                    // if this block was < maxBlock then it's last one in a multipacket series
                    if (length < maxBlockSize)
                    {
                        break;
                    }
                }
                packet.Position = 0;
            }
            catch (IOException ioex)
            {
                throw new MySqlException(Resources.ReadFromStreamFailed, true, ioex);
            }
        }
Пример #4
0
        public void Open()
        {
            // connect to one of our specified hosts
            try
            {
                baseStream = StreamCreator.GetStream(Settings);
                //#if !CF && !RT
                //         if (Settings.IncludeSecurityAsserts)
                //            MySqlSecurityPermission.CreatePermissionSet(false).Assert();
                //#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();

            owner.isFabric = versionString.EndsWith("fabric", StringComparison.OrdinalIgnoreCase);
            version        = DBVersion.Parse(versionString);
            if (!owner.isFabric && !version.isAtLeast(5, 0, 0))
            {
                throw new NotSupportedException("Resources.ServerTooOld");
            }

            threadId = packet.ReadInteger(4);

            byte[] seedPart1 = packet.ReadStringAsBytes();

            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;
            byte[] seedPart2 = packet.ReadStringAsBytes();
            encryptionSeed = new byte[seedPart1.Length + seedPart2.Length];
            seedPart1.CopyTo(encryptionSeed, 0);
            seedPart2.CopyTo(encryptionSeed, seedPart1.Length);

            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);
            packet.WriteInteger(maxSinglePacket, 4);
            packet.WriteByte(33);             //character set utf-8
            packet.Write(new byte[23]);

#if !CF && !RT
            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);
                packet.WriteInteger(maxSinglePacket, 4);
                packet.WriteByte(33);                 //character set utf-8
                packet.Write(new byte[23]);
            }
#endif

#if RT
            if (Settings.SslMode != MySqlSslMode.None)
            {
                throw new NotImplementedException("SSL not supported in this WinRT release.");
            }
#endif

            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;
        }
        void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
        {
            byte[] buffToWrite = (val as byte[]);
            if (buffToWrite == null)
            {
                char[] valAsChar = (val as Char[]);
                if (valAsChar != null)
                    buffToWrite = packet.Encoding.GetBytes(valAsChar);
                else
                {
                    string s = val.ToString();
                    if (length == 0)
                        length = s.Length;
                    else
                        s = s.Substring(0, length);
                    buffToWrite = packet.Encoding.GetBytes(s);
                }
            }

            // we assume zero length means write all of the value
            if (length == 0)
                length = buffToWrite.Length;

            if (buffToWrite == null)
                throw new MySqlException("Only byte arrays and strings can be serialized by MySqlBinary");

            if (binary)
            {
                packet.WriteLength(length);
                packet.Write(buffToWrite, 0, length);
            }
            else
            {
                if (packet.Version.isAtLeast(4, 1, 0))
                    packet.WriteStringNoNull("_binary ");

                packet.WriteByte((byte)'\'');
                EscapeByteArray(buffToWrite, length, packet);
                packet.WriteByte((byte)'\'');
            }
        }
Пример #6
0
        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
                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();
            }

            // 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(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;
        }
    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;
    }
Пример #8
0
    private void WriteOldGuid(MySqlPacket packet, Guid guid, bool binary)
    {
      byte[] bytes = guid.ToByteArray();

      if (binary)
      {
        packet.WriteLength(bytes.Length);
        packet.Write(bytes);
      }
      else
      {
        packet.WriteStringNoNull("_binary ");
        packet.WriteByte((byte)'\'');
        EscapeByteArray(bytes, bytes.Length, packet);
        packet.WriteByte((byte)'\'');
      }
    }
Пример #9
0
        public void Open()
        {
            //try
            //{
            //    this.baseStream = StreamCreator.GetStream(this.Settings);
            //    if (this.Settings.IncludeSecurityAsserts)
            //    {
            //        MySqlSecurityPermission.CreatePermissionSet(false).Assert();
            //    }
            //}
            //catch (SecurityException)
            //{
            //    throw;
            //}
            //catch (Exception inner)
            //{
            //    throw new MySqlException(Resources.UnableToConnectToHost, 1042, inner);
            //}
            //if (this.baseStream == null)
            //{
            //    throw new MySqlException(Resources.UnableToConnectToHost, 1042);
            //}
            //this.stream = new MySqlStream(this.baseStream, this.Encoding, false);
            //this.stream.ResetTimeout((int)(this.Settings.ConnectionTimeout * 1000u));
            //this.packet = this.stream.ReadPacket();
            //this.packet.ReadByte();
            //string text = this.packet.ReadString();
            //this.owner.isFabric = text.EndsWith("fabric", StringComparison.OrdinalIgnoreCase);
            //this.isEnterprise = text.ToLowerInvariant().Contains("-enterprise-");
            //this.version = DBVersion.Parse(text);
            //if (!this.owner.isFabric && !this.version.isAtLeast(5, 0, 0))
            //{
            //    throw new NotSupportedException(Resources.ServerTooOld);
            //}
            //this.threadId = this.packet.ReadInteger(4);
            //byte[] array = this.packet.ReadStringAsBytes();
            //int num = 16777215;
            //ClientFlags clientFlags = (ClientFlags)0uL;
            //if (this.packet.HasMoreData)
            //{
            //    clientFlags = (ClientFlags)((long)this.packet.ReadInteger(2));
            //}
            //this.owner.ConnectionCharSetIndex = (int)this.packet.ReadByte();
            //this.serverStatus = (ServerStatusFlags)this.packet.ReadInteger(2);
            //uint num2 = (uint)this.packet.ReadInteger(2);
            //clientFlags |= (ClientFlags)(num2 << 16);
            //this.packet.Position += 11;
            //byte[] array2 = this.packet.ReadStringAsBytes();
            //this.encryptionSeed = new byte[array.Length + array2.Length];
            //array.CopyTo(this.encryptionSeed, 0);
            //array2.CopyTo(this.encryptionSeed, array.Length);
            //string authMethod;
            //if ((clientFlags & ClientFlags.PLUGIN_AUTH) != (ClientFlags)0uL)
            //{
            //    authMethod = this.packet.ReadString();
            //}
            //else
            //{
            //    authMethod = "mysql_native_password";
            //}
            //this.SetConnectionFlags(clientFlags);
            //this.packet.Clear();
            //this.packet.WriteInteger((long)((int)this.connectionFlags), 4);
            //this.packet.WriteInteger((long)num, 4);
            //this.packet.WriteByte(33);
            //this.packet.Write(new byte[23]);
            //if ((clientFlags & ClientFlags.SSL) == (ClientFlags)0uL)
            //{
            //    if (this.Settings.SslMode != MySqlSslMode.None && this.Settings.SslMode != MySqlSslMode.Preferred)
            //    {
            //        throw new MySqlException(string.Format(Resources.NoServerSSLSupport, this.Settings.Server));
            //    }
            //}
            //else if (this.Settings.SslMode != MySqlSslMode.None)
            //{
            //    this.stream.SendPacket(this.packet);
            //    this.StartSSL();
            //    this.packet.Clear();
            //    this.packet.WriteInteger((long)((int)this.connectionFlags), 4);
            //    this.packet.WriteInteger((long)num, 4);
            //    this.packet.WriteByte(33);
            //    this.packet.Write(new byte[23]);
            //}
            //this.Authenticate(authMethod, false);
            //if ((this.connectionFlags & ClientFlags.COMPRESS) != (ClientFlags)0uL)
            //{
            //    this.stream = new MySqlStream(this.baseStream, this.Encoding, true);
            //}
            //this.packet.Version = this.version;
            //this.stream.MaxBlockSize = num;
            try
            {
                baseStream = StreamCreator.GetStream(Settings);
                if (Settings.IncludeSecurityAsserts)
                {
                    MySqlSecurityPermission.CreatePermissionSet(false).Assert();
                }
            }
            catch (System.Security.SecurityException)
            {
                throw;
            }
            catch (Exception ex)
            {
                throw new MySqlException(Resources.UnableToConnectToHost,
                                         1042, ex);
            }
            if (baseStream == null)
            {
                throw new MySqlException(Resources.UnableToConnectToHost,
                                         1042);
            }

            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();

            owner.isFabric = versionString.EndsWith("fabric", StringComparison.OrdinalIgnoreCase);
            version        = DBVersion.Parse(versionString);
            if (!owner.isFabric && !version.isAtLeast(5, 0, 0))
            {
                throw new NotSupportedException(Resources.ServerTooOld);
            }
            threadId = packet.ReadInteger(4);

            byte[] array = this.packet.ReadStringAsBytes();

            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;
            byte[] array2 = this.packet.ReadStringAsBytes();
            this.encryptionSeed = new byte[array.Length + array2.Length];
            array.CopyTo(this.encryptionSeed, 0);
            array2.CopyTo(this.encryptionSeed, array.Length);

            string authenticationMethod = "";

            if ((serverCaps & ClientFlags.PLUGIN_AUTH) != 0)
            {
                authenticationMethod = packet.ReadString();
            }
            else
            {
                // Some MyCat 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 ((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);
            }

            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;
        }
Пример #10
0
        public void Open()
        {
            // connect to one of our specified hosts
            try
            {
                baseStream = StreamCreator.GetStream(Settings);
                //#if !CF && !RT
                //         if (Settings.IncludeSecurityAsserts)
                //            MySqlSecurityPermission.CreatePermissionSet(false).Assert();
                //#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();
            owner.isFabric = versionString.EndsWith("fabric", StringComparison.OrdinalIgnoreCase);
            version = DBVersion.Parse(versionString);
            if (!owner.isFabric && !version.isAtLeast(5, 0, 0))
                throw new NotSupportedException("Resources.ServerTooOld");

            threadId = packet.ReadInteger(4);

            byte[] seedPart1 = packet.ReadStringAsBytes();

            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;
            byte[] seedPart2 = packet.ReadStringAsBytes();
            encryptionSeed = new byte[seedPart1.Length + seedPart2.Length];
            seedPart1.CopyTo(encryptionSeed, 0);
            seedPart2.CopyTo(encryptionSeed, seedPart1.Length);

            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);
            packet.WriteInteger(maxSinglePacket, 4);
            packet.WriteByte(33); //character set utf-8
            packet.Write(new byte[23]);

            #if !CF && !RT
            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);
                packet.WriteInteger(maxSinglePacket, 4);
                packet.WriteByte(33); //character set utf-8
                packet.Write(new byte[23]);
            }
            #endif

            #if RT
              if (Settings.SslMode != MySqlSslMode.None)
              {
            throw new NotImplementedException("SSL not supported in this WinRT release.");
              }
            #endif

            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;
        }
Пример #11
0
        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;
        }