Exemple #1
0
        /// <summary>
        /// When overriden in a derived class, writes the packet data to a byte array.
        /// </summary>
        /// <returns>The byte array that contains the packet structure.</returns>
        public virtual byte[] Save()
        {
            byte[] result;

            using (var writer = new StreamHandler())
            {
                Save(writer);

                result = writer.ToByteArray();
            }

            return(result);
        }
Exemple #2
0
        protected unsafe override void InternalWriteMetaData()
        {
            m_stream.DoAt(m_streamOriginalPosition, () =>
            {
                var bytes = new byte[MainHeader.Size];

                byte[] extraData;
                using (var writer = new StreamHandler())
                {
                    var flags = this.ExtraInfoFlags;
                    if (flags.HasFlag(ExtraDataFlags.HasClientIPv4) ||
                        flags.HasFlag(ExtraDataFlags.HasClientIPv6))
                        writer.WriteBytes(this.ClientAddress.GetAddressBytes());
                    if (flags.HasFlag(ExtraDataFlags.HasServerIPv4) ||
                        flags.HasFlag(ExtraDataFlags.HasServerIPv6))
                        writer.WriteBytes(this.ServerAddress.GetAddressBytes());
                    if (flags.HasFlag(ExtraDataFlags.HasClientPort))
                        writer.WriteInt32(this.ClientPort);
                    if (flags.HasFlag(ExtraDataFlags.HasServerPort))
                        writer.WriteInt32(this.ServerPort);

                    if (flags.HasFlag(ExtraDataFlags.HasSnifferIdString))
                    {
                        byte[] arr = Encoding.UTF8.GetBytes(this.SnifferDesc ?? string.Empty);
                        writer.WriteInt32(arr.Length);

                        using (MemoryStream oStream = new MemoryStream())
                        {
                            // BUG http://blogs.msdn.com/b/bclteam/archive/2006/05/10/592551.aspx
                            using (var ds = new DeflateStream(oStream, CompressionMode.Compress, true))
                                ds.Write(arr, 0, arr.Length);

                            arr = oStream.ToArray();
                        }

                        writer.WriteInt32(arr.Length);
                        writer.WriteBytes(arr);
                    }

                    extraData = writer.ToByteArray();
                }

                fixed (byte* bytesPtr = bytes)
                {
                    var header = (MainHeader*)bytesPtr;
                    header->PacketCount = this.Count;
                    Marshal.Copy(SignatureBytes, 0, new IntPtr(header->Signature), SignatureBytes.Length);
                    header->StartedOnTicks = this.StartTicks;
                    header->StartedOnUnix = this.StartTime.ToUnixTime();
                    header->ExtraDataLength = extraData.Length;
                    header->ExtraInfoFlags = this.ExtraInfoFlags;
                }

                m_stream.WriteBytes(bytes);
                m_stream.WriteBytes(extraData);
            });
        }
Exemple #3
0
        protected override unsafe void InternalWriteMetaData()
        {
            m_stream.DoAt(m_streamOriginalPosition, () =>
            {
                var bytes = new byte[MainHeader.Size];

                byte[] extraData;
                using (var writer = new StreamHandler())
                {
                    var flags = this.ExtraInfoFlags;
                    if (flags.HasFlag(ExtraDataFlags.HasClientIPv4) ||
                        flags.HasFlag(ExtraDataFlags.HasClientIPv6))
                    {
                        writer.WriteBytes(this.ClientAddress.GetAddressBytes());
                    }
                    if (flags.HasFlag(ExtraDataFlags.HasServerIPv4) ||
                        flags.HasFlag(ExtraDataFlags.HasServerIPv6))
                    {
                        writer.WriteBytes(this.ServerAddress.GetAddressBytes());
                    }
                    if (flags.HasFlag(ExtraDataFlags.HasClientPort))
                    {
                        writer.WriteInt32(this.ClientPort);
                    }
                    if (flags.HasFlag(ExtraDataFlags.HasServerPort))
                    {
                        writer.WriteInt32(this.ServerPort);
                    }

                    if (flags.HasFlag(ExtraDataFlags.HasSnifferIdString))
                    {
                        byte[] arr = Encoding.UTF8.GetBytes(this.SnifferDesc ?? string.Empty);
                        writer.WriteInt32(arr.Length);

                        using (MemoryStream oStream = new MemoryStream())
                        {
                            // BUG http://blogs.msdn.com/b/bclteam/archive/2006/05/10/592551.aspx
                            using (var ds = new DeflateStream(oStream, CompressionMode.Compress, true))
                                ds.Write(arr, 0, arr.Length);

                            arr = oStream.ToArray();
                        }

                        writer.WriteInt32(arr.Length);
                        writer.WriteBytes(arr);
                    }

                    extraData = writer.ToByteArray();
                }

                fixed(byte *bytesPtr = bytes)
                {
                    var header          = (MainHeader *)bytesPtr;
                    header->PacketCount = this.Count;
                    Marshal.Copy(SignatureBytes, 0, new IntPtr(header->Signature), SignatureBytes.Length);
                    header->StartedOnTicks  = this.StartTicks;
                    header->StartedOnUnix   = this.StartTime.ToUnixTime();
                    header->ExtraDataLength = extraData.Length;
                    header->ExtraInfoFlags  = this.ExtraInfoFlags;
                }

                m_stream.WriteBytes(bytes);
                m_stream.WriteBytes(extraData);
            });
        }
Exemple #4
0
        /// <summary>
        /// When overriden in a derived class, writes the packet data to a byte array.
        /// </summary>
        /// <returns>The byte array that contains the packet structure.</returns>
        public virtual byte[] Save()
        {
            byte[] result;

            using (var writer = new StreamHandler())
            {
                Save(writer);

                result = writer.ToByteArray();
            }

            return result;
        }