davejansen/lidgren-network-gen3
1
0
Fork 0
mirror of https://github.com/lidgren/lidgren-network-gen3.git synced 2026-05-16 15:16:33 +09:00
Code Issues Releases Activity

- Patch from MonoGame; makes the BroadcastAddress configurable and changes text encoding from ASCII to UTF8, required for Android support

Browse Source
This commit is contained in:
lidgren
2012-06-08 07:35:02 +00:00
parent 1fdcb5f773
commit fbb6d9ed51
9 changed files with 119 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
Lidgren.Network/NetUtility.cs
View File

@@ -16,7 +16,9 @@ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRA
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#if !__ANDROID__ && !IOS
#define IS_FULL_NET_AVAILABLE
#endif
using System;
using System.Net;
@@ -256,12 +258,95 @@ namespace Lidgren.Network
}
return new string(c);
}
public static IPAddress GetBroadcastAddress()
{
#if __ANDROID__
try{
Android.Net.Wifi.WifiManager wifi = (Android.Net.Wifi.WifiManager)Android.App.Application.Context.GetSystemService(Android.App.Activity.WifiService);
if (wifi.IsWifiEnabled)
{
var dhcp = wifi.DhcpInfo;
int broadcast = (dhcp.IpAddress & dhcp.Netmask) | ~dhcp.Netmask;
byte[] quads = new byte[4];
for (int k = 0; k < 4; k++)
{
quads[k] = (byte) ((broadcast >> k * 8) & 0xFF);
}
return new IPAddress(quads);
}
}
catch // Catch Access Denied Errors
{
return IPAddress.Broadcast;
}
#endif
#if IS_FULL_NET_AVAILABLE
try
{
NetworkInterface ni = GetNetworkInterface();
if (ni == null)
{
return null;
}
IPInterfaceProperties properties = ni.GetIPProperties();
foreach (UnicastIPAddressInformation unicastAddress in properties.UnicastAddresses)
{
if (unicastAddress != null && unicastAddress.Address != null && unicastAddress.Address.AddressFamily == AddressFamily.InterNetwork)
{
var mask = unicastAddress.IPv4Mask;
byte[] ipAdressBytes = unicastAddress.Address.GetAddressBytes();
byte[] subnetMaskBytes = mask.GetAddressBytes();
if (ipAdressBytes.Length != subnetMaskBytes.Length)
throw new ArgumentException("Lengths of IP address and subnet mask do not match.");
byte[] broadcastAddress = new byte[ipAdressBytes.Length];
for (int i = 0; i < broadcastAddress.Length; i++)
{
broadcastAddress[i] = (byte)(ipAdressBytes[i] | (subnetMaskBytes[i] ^ 255));
}
return new IPAddress(broadcastAddress);
}
}
}
catch // Catch any errors
{
return IPAddress.Broadcast;
}
#endif
return IPAddress.Broadcast;
}
/// <summary>
/// Gets my local IP address (not necessarily external) and subnet mask
/// </summary>
public static IPAddress GetMyAddress(out IPAddress mask)
{
mask = null;
#if __ANDROID__
try
{
Android.Net.Wifi.WifiManager wifi = (Android.Net.Wifi.WifiManager)Android.App.Application.Context.GetSystemService(Android.App.Activity.WifiService);
if (!wifi.IsWifiEnabled) return null;
var dhcp = wifi.DhcpInfo;
int addr = dhcp.IpAddress;
byte[] quads = new byte[4];
for (int k = 0; k < 4; k++)
{
quads[k] = (byte) ((addr >> k * 8) & 0xFF);
}
return new IPAddress(quads);
}
catch // Catch Access Denied errors
{
return null;
}
#endif
#if IS_FULL_NET_AVAILABLE
NetworkInterface ni = GetNetworkInterface();
if (ni == null)
@@ -280,7 +365,6 @@ namespace Lidgren.Network
}
}
#endif
mask = null;
return null;
}