85 lines
3.1 KiB
C#
85 lines
3.1 KiB
C#
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///////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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///////////////////////////////////////////////////////////////////////////////
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/**
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* Microsoft Research, Cambridge
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* author: Yaron Weinsberg, Richard Black
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*/
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namespace NetStack
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{
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namespace Runtime
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{
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public struct NetStatus
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{
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// the error code
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public Code errorCode;
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// ctor
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public NetStatus(Code c)
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{
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errorCode=c;
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}
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// create an implicit cast operator
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public static implicit operator NetStatus(Code c)
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{
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return new NetStatus(c);
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}
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// create an implicit cast operator
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public static implicit operator Code(NetStatus s)
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{
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return s.errorCode;
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}
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// networking stack error codes
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public enum Code : byte
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{
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// nice codes...
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RT_OK = 0x00, // runtime is happy
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RT_DROP_NO_HANDLER = 0x01, // packet dropped, type handler doesn't exist
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PROTOCOL_OK = 0x02, // protocol is finished, packet can be recycled
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PROTOCOL_PROCESSING = 0x03, // more work to be done (prob by other protocols)
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PROTOCOL_DROP_CHKSUM = 0x04, // protocol drops a packet - checksum
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RT_DROP_WRONG_DEST = 0x05, // destination is wrong + we are not gateway
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RT_DROP_NO_ROUTE = 0x06, // no route to the destination, drop it
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RT_DROP_TTL_EXPIRED = 0x07, // ttl has been expired, drop the packet
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PROTOCOL_DROP_NO_BUF = 0x08, // no buffer available to accept the packet
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PROTOCOL_DROP_ERROR = 0x09, // general drop error
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RT_RETRY_PENDING_ARP = 0x10, // retry sending due to pending ARP resolution
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// error codes...
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RT_ERROR = 0x80, // runtime general error
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PROTOCOL_PANIC = 0xFF // panic - shutdown!
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}
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public static string[]
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ErrorMap = new string[] {
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"RuntimeError",
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"UndefinderProtocol"
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};
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public static bool SUCCEEDED(NetStatus.Code code)
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{
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return ((((byte)code)&0x80)==0);
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}
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public static bool FAILED(NetStatus.Code code)
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{
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return (!SUCCEEDED(code));
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}
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public static string ErrorToString(NetStatus.Code errorCode)
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{
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return ErrorMap[((byte)errorCode)&0x7F];
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}
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}
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}
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}
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