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63 lines
2.5 KiB
63 lines
2.5 KiB
namespace Rssdp.Infrastructure
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{
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/// <summary>
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/// Provides constants for common values related to the SSDP protocols.
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/// </summary>
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public static class SsdpConstants
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{
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/// <summary>
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/// Multicast IP Address used for SSDP multicast messages. Values is 239.255.255.250.
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/// </summary>
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public const string MulticastLocalAdminAddress = "239.255.255.250";
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/// <summary>
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/// The UDP port used for SSDP multicast messages. Values is 1900.
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/// </summary>
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public const int MulticastPort = 1900;
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/// <summary>
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/// The default multicase TTL for SSDP multicast messages. Value is 4.
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/// </summary>
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public const int SsdpDefaultMulticastTimeToLive = 4;
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internal const string MSearchMethod = "M-SEARCH";
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internal const string SsdpDiscoverMessage = "ssdp:discover";
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internal const string SsdpDiscoverAllSTHeader = "ssdp:all";
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internal const string SsdpDeviceDescriptionXmlNamespace = "urn:schemas-upnp-org:device-1-0";
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/// <summary>
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/// Default buffer size for receiving SSDP broadcasts. Value is 8192 (bytes).
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/// </summary>
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public const int DefaultUdpSocketBufferSize = 8192;
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/// <summary>
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/// The maximum possible buffer size for a UDP message. Value is 65507 (bytes).
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/// </summary>
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public const int MaxUdpSocketBufferSize = 65507; // Max possible UDP packet size on IPv4 without using 'jumbograms'.
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/// <summary>
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/// Namespace/prefix for UPnP device types. Values is schemas-upnp-org.
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/// </summary>
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public const string UpnpDeviceTypeNamespace = "schemas-upnp-org";
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/// <summary>
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/// UPnP Root Device type. Value is upnp:rootdevice.
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/// </summary>
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public const string UpnpDeviceTypeRootDevice = "upnp:rootdevice";
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/// <summary>
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/// The value is used by Windows Explorer for device searches instead of the UPNPDeviceTypeRootDevice constant.
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/// Not sure why (different spec, bug, alternate protocol etc). Used to enable Windows Explorer support.
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/// </summary>
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public const string PnpDeviceTypeRootDevice = "pnp:rootdevice";
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/// <summary>
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/// UPnP Basic Device type. Value is Basic.
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/// </summary>
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public const string UpnpDeviceTypeBasicDevice = "Basic";
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internal const string SsdpKeepAliveNotification = "ssdp:alive";
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internal const string SsdpByeByeNotification = "ssdp:byebye";
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internal const int UdpResendCount = 3;
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}
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}
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