2.3 SYNC_KNOWLEDGE
The SYNC_KNOWLEDGE structure describes all the changes that the sync participant, which generated the knowledge, has tracked.
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2 |
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Version |
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Reserved1 |
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Reserved2 |
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Reserved3 |
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ReplicaKeyMap (variable) |
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SectionSignature |
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A |
ReplicaGidLength |
B |
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SyncGidLength |
Reserved4 |
Reserved5 |
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ClockVectorTableSignature |
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ClockVectorTable (variable) |
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RangeSetTableSignature |
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RangeSetTable (variable) |
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Reserved6 |
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Reserved7 |
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Reserved8 |
Reserved9 |
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Version (4 bytes): This value MUST be set to 5.
Reserved1 (4 bytes): This value MUST be set to 0.
Reserved2 (4 bytes): This value MUST be set to 1.
Reserved3 (4 bytes): This value MUST be set to 0.
ReplicaKeyMap (variable): Specifies all the replicas referenced by this SYNC_KNOWLEDGE structure. The index position in this map is used to more concisely describe the replica name in each CLOCK_VECTOR_ELEMENT.
SectionSignature (4 bytes): This value MUST be set to 24.
A - AreReplicaGidsVariableLength (1 byte): This value MUST be set to 0.
ReplicaGidLength (2 bytes): This value MUST be set to 16.
B - AreSyncGidsVariableLength (1 byte): This value MUST be set to 0.
SyncGidLength (2 bytes): This value MUST be set to 24.
Reserved4 (1 byte): This value MUST be set to 0.
Reserved5 (2 bytes): This value MUST be set to 1.
ClockVectorTableSignature (4 bytes): This value MUST be set to 21.
ClockVectorTable (variable): A VECTOR_CLOCK_VECTOR element that contains a list of CLOCK_VECTOR structures that specify the version state for the items identified by a RANGE.
RangeSetTableSignature (4 bytes): This value MUST be set to 23.
RangeSetTable (variable): A VECTOR_RANGE_SET element that contains a list of RANGE_SET structures that specify the version state tracked by the replica for the items identified by each RANGE.
Reserved6 (4 bytes): This value MUST be set to 0.
Reserved7 (4 bytes): This value MUST be set to 25.
Reserved8 (1 byte): This value MUST be set to 1.
Reserved9 (4 bytes): This value MUST be set to 0.