/// <summary> /// Generate a sample rule action. /// </summary> /// <param name="actionType">The action Type</param> /// <param name="bytesCount">The length of the bytes count</param> /// <param name="actionDataBufferValue">The actionData buffer</param> /// <param name="actionFlavor">Action flavor value.</param> /// <param name="actionFlag">Action flag value.</param> /// <returns>An instance of the RuleAction</returns> private static RuleAction GenerateRuleAction(ActionTypes actionType, Count bytesCount, IActionData actionDataBufferValue, uint actionFlavor, uint actionFlag) { ActionBlock actionBlock = new ActionBlock(bytesCount) { ActionType = actionType, ActionFlags = actionFlag, ActionDataValue = actionDataBufferValue, ActionFlavor = actionFlavor }; actionBlock.ActionLength = (bytesCount == Count.TwoBytesCount) ? (actionBlock.Size() - 2) : (actionBlock.Size() - 4); RuleAction ruleAction = new RuleAction(bytesCount) { NoOfActions = 0x01, Actions = new ActionBlock[1] { actionBlock } }; // Only one rule action is generated. return(ruleAction); }
/// <summary> /// Generate a sample rule action. /// </summary> /// <param name="actionType">The action Type</param> /// <param name="bytesCount">The length of the bytes count</param> /// <param name="actionDataBufferValue">The actionData buffer</param> /// <param name="actionFlavor">Action flavor value.</param> /// <param name="actionFlag">Action flag value.</param> /// <returns>An instance of the RuleAction</returns> private static RuleAction GenerateRuleAction(ActionTypes actionType, Count bytesCount, IActionData actionDataBufferValue, uint actionFlavor, uint actionFlag) { ActionBlock actionBlock = new ActionBlock(bytesCount) { ActionType = actionType, ActionFlags = actionFlag, ActionDataValue = actionDataBufferValue, ActionFlavor = actionFlavor }; actionBlock.ActionLength = (bytesCount == Count.TwoBytesCount) ? (actionBlock.Size() - 2) : (actionBlock.Size() - 4); RuleAction ruleAction = new RuleAction(bytesCount) { NoOfActions = 0x01, Actions = new ActionBlock[1] { actionBlock } }; // Only one rule action is generated. return ruleAction; }
/// <summary> /// Read a value from buffer for special Type. /// </summary> /// <param name="type">The Type of value</param> /// <param name="buffer">Buffer contains value</param> /// <returns>Byte array of the value</returns> public static byte[] ReadValueByType(ushort type, byte[] buffer) { byte[] value = null; BufferReader bufferReader = new BufferReader(buffer); uint length = 0; byte[] tmpArray = null; uint startIndex = 0; uint endIndex = 0; switch (type) { // 2-byte // PtypInteger16 case 0x0002: value = bufferReader.ReadBytes(2); break; // 4-byte // PtypInteger32 case 0x0003: // PtypFloating32 case 0x0004: // PtypErrorCode case 0x000A: value = bufferReader.ReadBytes(4); break; // 8-byte // PtypFloating64 case 0x0005: // PtypCurrency case 0x0006: // PtypFloatingTime case 0x0007: // PtypInteger64 case 0x0014: // PtypTime case 0x0040: value = bufferReader.ReadBytes(8); break; // 1 byte // PtypBoolean case 0x000B: value = new byte[1] { bufferReader.ReadByte() }; break; // PtypString PT_UNICODE case 0x001F: value = Encoding.Unicode.GetBytes(bufferReader.ReadUnicodeString()); break; // PtypString8 case 0x001E: value = Encoding.ASCII.GetBytes(bufferReader.ReadASCIIString()); break; // 16-byte // PtypGuid 16bytes case 0x0048: // PtypServerId case 0x00FB: value = bufferReader.ReadBytes(16); break; // PtypRestriction case 0x00FD: tmpArray = bufferReader.ReadToEnd(); IRestrictions restriction = null; restriction = new ContentRestrictions(); length += restriction.Deserialize(tmpArray); value = bufferReader.ReadBytes(0, length); break; // PtypRuleAction case 0x00FE: tmpArray = bufferReader.ReadToEnd(); RuleAction ruleAction = new RuleAction(); length = ruleAction.Deserialize(tmpArray); bufferReader = new BufferReader(tmpArray); value = bufferReader.ReadBytes(length); break; // PtypBinary case 0x0102: length = (uint)(buffer[bufferReader.Position] + (buffer[bufferReader.Position + 1] << 8) + 2); value = bufferReader.ReadBytes(length); break; // PtypMultipleInteger16 case 0x1002: length = (uint)(buffer[bufferReader.Position] + (buffer[bufferReader.Position + 1] << 8)); length = (length * 2) + 2; value = bufferReader.ReadBytes(length); break; // PtypMultipleInteger32 case 0x1003: // PtypMultipleFloating32 case 0x1004: length = (uint)(buffer[bufferReader.Position] + (buffer[bufferReader.Position + 1] << 8)); length = (length * 4) + 2; value = bufferReader.ReadBytes(length); break; // PtypMultipleFloating64 case 0x1005: // PtypMultipleCurrency case 0x1006: // PtypMultipleFloatingTime case 0x1007: // PtypMultipleInteger64 case 0x1014: // PtypMultipleTime case 0x1040: length = (uint)(buffer[bufferReader.Position] + (buffer[bufferReader.Position + 1] << 8)); length = (length * 8) + 2; value = bufferReader.ReadBytes(length); break; // PtypMultipleString case 0x101F: startIndex = bufferReader.Position; ushort strCount = bufferReader.ReadUInt16(); for (int istr = 0; istr < strCount; istr++) { bufferReader.ReadUnicodeString(); } endIndex = bufferReader.Position; length = endIndex - startIndex; value = bufferReader.ReadBytes(startIndex, length); break; // PtypMultipleString8 case 0x101E: startIndex = bufferReader.Position; ushort str8Count = bufferReader.ReadUInt16(); for (int istr8 = 0; istr8 < str8Count; istr8++) { bufferReader.ReadASCIIString(); } endIndex = bufferReader.Position; length = endIndex - startIndex; value = bufferReader.ReadBytes(startIndex, length); break; // PtypMultipleGuid case 0x1048: length = (uint)(buffer[bufferReader.Position] + (buffer[bufferReader.Position + 1] << 8)); length = (length * 16) + 2; value = bufferReader.ReadBytes(length); break; // PtypMultipleBinary case 0x1102: startIndex = bufferReader.Position; ushort binCount = bufferReader.ReadUInt16(); for (int ibin = 0; ibin < binCount; ibin++) { uint binLength = bufferReader.ReadUInt16(); bufferReader.ReadBytes(binLength); } endIndex = bufferReader.Position; length = endIndex - startIndex; value = bufferReader.ReadBytes(startIndex, length); break; // PtypUnspecified case 0x0000: throw new NotImplementedException(); // PtypNull case 0x0001: value = null; break; // PtypObject or PtypEmbeddedTable case 0x000D: throw new NotImplementedException(); default: throw new NotImplementedException(); } return(value); }
/// <summary> /// Read a value from buffer for special Type. /// </summary> /// <param name="type">The Type of value</param> /// <param name="buffer">Buffer contains value</param> /// <returns>Byte array of the value</returns> public static byte[] ReadValueByType(ushort type, byte[] buffer) { byte[] value = null; BufferReader bufferReader = new BufferReader(buffer); uint length = 0; byte[] tmpArray = null; uint startIndex = 0; uint endIndex = 0; switch (type) { // 2-byte // PtypInteger16 case 0x0002: value = bufferReader.ReadBytes(2); break; // 4-byte // PtypInteger32 case 0x0003: // PtypFloating32 case 0x0004: // PtypErrorCode case 0x000A: value = bufferReader.ReadBytes(4); break; // 8-byte // PtypFloating64 case 0x0005: // PtypCurrency case 0x0006: // PtypFloatingTime case 0x0007: // PtypInteger64 case 0x0014: // PtypTime case 0x0040: value = bufferReader.ReadBytes(8); break; // 1 byte // PtypBoolean case 0x000B: value = new byte[1] { bufferReader.ReadByte() }; break; // PtypString PT_UNICODE case 0x001F: value = Encoding.Unicode.GetBytes(bufferReader.ReadUnicodeString()); break; // PtypString8 case 0x001E: value = Encoding.ASCII.GetBytes(bufferReader.ReadASCIIString()); break; // 16-byte // PtypGuid 16bytes case 0x0048: // PtypServerId case 0x00FB: value = bufferReader.ReadBytes(16); break; // PtypRestriction case 0x00FD: tmpArray = bufferReader.ReadToEnd(); IRestrictions restriction = null; restriction = new ContentRestrictions(); length += restriction.Deserialize(tmpArray); value = bufferReader.ReadBytes(0, length); break; // PtypRuleAction case 0x00FE: tmpArray = bufferReader.ReadToEnd(); RuleAction ruleAction = new RuleAction(); length = ruleAction.Deserialize(tmpArray); bufferReader = new BufferReader(tmpArray); value = bufferReader.ReadBytes(length); break; // PtypBinary case 0x0102: length = (uint)(buffer[bufferReader.Position] + (buffer[bufferReader.Position + 1] << 8) + 2); value = bufferReader.ReadBytes(length); break; // PtypMultipleInteger16 case 0x1002: length = (uint)(buffer[bufferReader.Position] + (buffer[bufferReader.Position + 1] << 8)); length = (length * 2) + 2; value = bufferReader.ReadBytes(length); break; // PtypMultipleInteger32 case 0x1003: // PtypMultipleFloating32 case 0x1004: length = (uint)(buffer[bufferReader.Position] + (buffer[bufferReader.Position + 1] << 8)); length = (length * 4) + 2; value = bufferReader.ReadBytes(length); break; // PtypMultipleFloating64 case 0x1005: // PtypMultipleCurrency case 0x1006: // PtypMultipleFloatingTime case 0x1007: // PtypMultipleInteger64 case 0x1014: // PtypMultipleTime case 0x1040: length = (uint)(buffer[bufferReader.Position] + (buffer[bufferReader.Position + 1] << 8)); length = (length * 8) + 2; value = bufferReader.ReadBytes(length); break; // PtypMultipleString case 0x101F: startIndex = bufferReader.Position; ushort strCount = bufferReader.ReadUInt16(); for (int istr = 0; istr < strCount; istr++) { bufferReader.ReadUnicodeString(); } endIndex = bufferReader.Position; length = endIndex - startIndex; value = bufferReader.ReadBytes(startIndex, length); break; // PtypMultipleString8 case 0x101E: startIndex = bufferReader.Position; ushort str8Count = bufferReader.ReadUInt16(); for (int istr8 = 0; istr8 < str8Count; istr8++) { bufferReader.ReadASCIIString(); } endIndex = bufferReader.Position; length = endIndex - startIndex; value = bufferReader.ReadBytes(startIndex, length); break; // PtypMultipleGuid case 0x1048: length = (uint)(buffer[bufferReader.Position] + (buffer[bufferReader.Position + 1] << 8)); length = (length * 16) + 2; value = bufferReader.ReadBytes(length); break; // PtypMultipleBinary case 0x1102: startIndex = bufferReader.Position; ushort binCount = bufferReader.ReadUInt16(); for (int ibin = 0; ibin < binCount; ibin++) { uint binLength = bufferReader.ReadUInt16(); bufferReader.ReadBytes(binLength); } endIndex = bufferReader.Position; length = endIndex - startIndex; value = bufferReader.ReadBytes(startIndex, length); break; // PtypUnspecified case 0x0000: throw new NotImplementedException(); // PtypNull case 0x0001: value = null; break; // PtypObject or PtypEmbeddedTable case 0x000D: throw new NotImplementedException(); default: throw new NotImplementedException(); } return value; }