2.2.4 RESP_GET_DFS_REFERRAL
A DFS server responds to a DFS client referral request with the RESP_GET_DFS_REFERRAL message. The fixed-length portion of this message is referred to as the "referral header" in this document. The format of this message is as follows.
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0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
1 0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
2 0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
3 0 |
1 |
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PathConsumed |
NumberOfReferrals |
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ReferralHeaderFlags |
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ReferralEntries (variable) |
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... |
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StringBuffer (variable) |
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... |
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Padding (variable) |
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... |
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PathConsumed (2 bytes): A 16-bit integer indicating the number of bytes—not characters—in the prefix of the referral request path that is matched in the referral response.
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NumberOfReferrals (2 bytes): A 16-bit integer indicating the number of referral entries immediately following the referral header.
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ReferralHeaderFlags (4 bytes): A 32-bit field representing a series of flags that are combined by using the bitwise OR operation. Only the R, S, and T bits are defined and used. The other bits MUST be set to 0 by the server and ignored upon receipt by the client.
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Value Meaning R
0x00000001R (ReferralServers): The R bit indicates whether all of the targets in the referral entries returned are DFS root targets capable of handling DFS referral requests.
S
0x00000002S (StorageServers): The S bit indicates whether all of the targets in the referral response can be accessed without requiring further referral requests.
T
0x00000004T (TargetFailback): The T bit indicates whether DFS client target failback is enabled for all targets in this referral response. This value MUST be set to 0 by the server and ignored by the client for all DFS referral versions except DFS referral version 4.
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ReferralEntries (variable): As many DFS_REFERRAL_V1, DFS_REFERRAL_V2, DFS_REFERRAL_V3, or DFS_REFERRAL_V4 structures as indicated by the NumberOfReferrals field.
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StringBuffer (variable): A list of zero or more null-terminated Unicode character strings.
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Padding (variable): The server MAY<2> insert a variable number of padding bytes.