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Code Issues Releases Activity

Fixed potential MTU issue; added a bunch of asserts

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This commit is contained in:
lidgren
2011-09-16 07:28:37 +00:00
parent c1d604bde4
commit 62d8c6826b
2 changed files with 10 additions and 2 deletions
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8
Lidgren.Network/NetPeer.Send.cs
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@@ -62,6 +62,8 @@ namespace Lidgren.Network
internal int GetMTU(IList<NetConnection> recipients)
{
NetException.Assert(recipients.Count > 0);
int mtu = int.MaxValue;
foreach (NetConnection conn in recipients)
{
@@ -85,6 +87,8 @@ namespace Lidgren.Network
throw new ArgumentNullException("msg");
if (recipients == null)
throw new ArgumentNullException("recipients");
if (recipients.Count < 1)
throw new NetException("recipients must contain at least one item");
if (method == NetDeliveryMethod.Unreliable || method == NetDeliveryMethod.ReliableUnordered)
NetException.Assert(sequenceChannel == 0, "Delivery method " + method + " cannot use sequence channels other than 0!");
if (msg.m_isSent)
@@ -95,7 +99,7 @@ namespace Lidgren.Network
msg.m_isSent = true;
int len = msg.LengthBytes;
if (len <= m_configuration.MaximumTransmissionUnit)
if (len <= mtu)
{
Interlocked.Add(ref msg.m_recyclingCount, recipients.Count);
foreach (NetConnection conn in recipients)
@@ -176,6 +180,8 @@ namespace Lidgren.Network
throw new ArgumentNullException("msg");
if (recipients == null)
throw new ArgumentNullException("recipients");
if (recipients.Count < 1)
throw new NetException("recipients must contain at least one item");
if (msg.m_isSent)
throw new NetException("This message has already been sent! Use NetPeer.SendMessage() to send to multiple recipients efficiently");
if (msg.LengthBytes > m_configuration.MaximumTransmissionUnit)

4
Lidgren.Network/NetPeerConfiguration.cs
View File

@@ -187,13 +187,15 @@ namespace Lidgren.Network
}
/// <summary>
/// Gets or sets the maximum amount of bytes to send in a single packet, excluding ip, udp and lidgren headers
/// Gets or sets the maximum amount of bytes to send in a single packet, excluding ip, udp and lidgren headers. Cannot be changed once NetPeer is initialized.
/// </summary>
public int MaximumTransmissionUnit
{
get { return m_maximumTransmissionUnit; }
set
{
if (m_isLocked)
throw new NetException(c_isLockedMessage);
if (value < 1 || value >= ((ushort.MaxValue + 1) / 8))
throw new NetException("MaximumTransmissionUnit must be between 1 and " + (((ushort.MaxValue + 1) / 8) - 1) + " bytes");
m_maximumTransmissionUnit = value;