internal static void WriteQueryVersion3(byte[] buffer, int offset, TimeSpan maxResponseTime, IpV4Address groupAddress, bool isSuppressRouterSideProcessing, byte queryRobustnessVariable, TimeSpan queryInterval, IEnumerable <IpV4Address> sourceAddresses)
{
ByteArrayExtensions.Write(buffer, offset, (byte)17);
if (maxResponseTime < TimeSpan.Zero || maxResponseTime > IgmpDatagram.MaxVersion3MaxResponseTime)
{
throw new ArgumentOutOfRangeException("maxResponseTime", (object)maxResponseTime, "must be in the range [" + (object)TimeSpan.Zero + ", " + (string)(object)IgmpDatagram.MaxVersion3MaxResponseTime + "]");
}
double num1 = maxResponseTime.TotalSeconds * 10.0;
byte num2 = num1 < 128.0 ? (byte)num1 : (byte)(double)IgmpDatagram.ValueToCode((int)num1);
ByteArrayExtensions.Write(buffer, offset + 1, num2);
ByteArrayExtensions.Write(buffer, offset + 4, groupAddress, Endianity.Big);
if ((int)queryRobustnessVariable > 7)
{
throw new ArgumentOutOfRangeException("queryRobustnessVariable", (object)queryRobustnessVariable, "must be in range [0, 7]");
}
ByteArrayExtensions.Write(buffer, offset + 8, (byte)((int)queryRobustnessVariable | (isSuppressRouterSideProcessing ? 8 : 0)));
if (queryInterval < TimeSpan.Zero || queryInterval > IgmpDatagram.MaxQueryInterval)
{
throw new ArgumentOutOfRangeException("queryInterval", (object)maxResponseTime, "must be in the range [" + (object)TimeSpan.Zero + ", " + (string)(object)IgmpDatagram.MaxQueryInterval + "]");
}
double totalSeconds = queryInterval.TotalSeconds;
byte num3 = totalSeconds < 128.0 ? (byte)totalSeconds : (byte)(double)IgmpDatagram.ValueToCode((int)totalSeconds);
ByteArrayExtensions.Write(buffer, offset + 9, num3);
int num4 = 0;
foreach (IpV4Address ipV4Address in sourceAddresses)
{
ByteArrayExtensions.Write(buffer, offset + 12 + 4 * num4, ipV4Address, Endianity.Big);
++num4;
}
ByteArrayExtensions.Write(buffer, offset + 10, (ushort)num4, Endianity.Big);
IgmpDatagram.WriteChecksum(buffer, offset, 12 + 4 * num4);
}
internal static void WriteHeader(byte[] buffer, int offset, IgmpMessageType igmpMessageType, TimeSpan maxResponseTime, IpV4Address groupAddress)
{
ByteArrayExtensions.Write(buffer, offset, (byte)igmpMessageType);
double num = maxResponseTime.TotalSeconds * 10.0;
if (num >= 256.0 || num < 0.0)
{
throw new ArgumentOutOfRangeException("maxResponseTime", (object)maxResponseTime, "must be in the range [" + (object)TimeSpan.Zero + ", " + (string)(object)TimeSpan.FromSeconds(25.5) + "]");
}
ByteArrayExtensions.Write(buffer, offset + 1, (byte)num);
ByteArrayExtensions.Write(buffer, offset + 4, groupAddress, Endianity.Big);
IgmpDatagram.WriteChecksum(buffer, offset, 8);
}
internal static void WriteReportVersion3(byte[] buffer, int offset, IEnumerable <IgmpGroupRecord> groupRecords)
{
ByteArrayExtensions.Write(buffer, offset, (byte)34);
ushort num = (ushort)0;
int offset1 = offset + 8;
foreach (IgmpGroupRecord igmpGroupRecord in groupRecords)
{
IgmpGroupRecordDatagram.Write(buffer, ref offset1, igmpGroupRecord.RecordType, igmpGroupRecord.AuxiliaryData, igmpGroupRecord.MulticastAddress, igmpGroupRecord.SourceAddresses);
++num;
}
ByteArrayExtensions.Write(buffer, offset + 6, num, Endianity.Big);
IgmpDatagram.WriteChecksum(buffer, offset, offset1 - offset);
}