private TreeReportNode CreateDiagnosticRootGraph(Key leftKey, NodeId id)
{
// The node being returned
TreeReportNode node;
// Open the area
IArea area = nodeStore.GetArea(ToInt64StoreAddress(id));
// What type of node is this?
short nodeType = area.ReadInt2();
// The version
short ver = area.ReadInt2();
if (nodeType == StoreLeafType)
{
// Read the reference count,
long refCount = area.ReadInt4();
// The number of bytes in the leaf
int leafSize = area.ReadInt4();
// Set up the leaf node object
node = new TreeReportNode("leaf", id);
node.SetProperty("VER", ver);
node.SetProperty("key", leftKey.ToString());
node.SetProperty("reference_count", refCount);
node.SetProperty("leaf_size", leafSize);
}
else if (nodeType == StoreBranchType)
{
// The data size area containing the children information
int childDataSize = area.ReadInt4();
long[] dataArr = new long[childDataSize];
for (int i = 0; i < childDataSize; ++i)
{
dataArr[i] = area.ReadInt8();
}
// Create the TreeBranch object to query it
TreeBranch branch = new TreeBranch(id, dataArr, childDataSize);
// Set up the branch node object
node = new TreeReportNode("branch", id);
node.SetProperty("VER", ver);
node.SetProperty("key", leftKey.ToString());
node.SetProperty("branch_size", branch.ChildCount);
// Recursively add each child into the tree
for (int i = 0; i < branch.ChildCount; ++i)
{
NodeId childId = branch.GetChild(i);
// If the id is a special node, skip it
if (childId.IsSpecial)
{
// Should we record special nodes?
}
else
{
Key newLeftKey = (i > 0) ? branch.GetKey(i) : leftKey;
TreeReportNode bn = new TreeReportNode("child_meta", id);
bn.SetProperty("extent", branch.GetChildLeafElementCount(i));
node.ChildNodes.Add(bn);
node.ChildNodes.Add(CreateDiagnosticRootGraph(newLeftKey, childId));
}
}
}
else
{
throw new IOException("Unknown node type: " + nodeType);
}
return(node);
}
private TreeReportNode CreateDiagnosticRootGraph(Key leftKey, NodeId id)
{
// The node being returned
TreeReportNode node;
// Open the area
IArea area = nodeStore.GetArea(ToInt64StoreAddress(id));
// What type of node is this?
short nodeType = area.ReadInt2();
// The version
short ver = area.ReadInt2();
if (nodeType == StoreLeafType) {
// Read the reference count,
long refCount = area.ReadInt4();
// The number of bytes in the leaf
int leafSize = area.ReadInt4();
// Set up the leaf node object
node = new TreeReportNode("leaf", id);
node.SetProperty("VER", ver);
node.SetProperty("key", leftKey.ToString());
node.SetProperty("reference_count", refCount);
node.SetProperty("leaf_size", leafSize);
} else if (nodeType == StoreBranchType) {
// The data size area containing the children information
int childDataSize = area.ReadInt4();
long[] dataArr = new long[childDataSize];
for (int i = 0; i < childDataSize; ++i) {
dataArr[i] = area.ReadInt8();
}
// Create the TreeBranch object to query it
TreeBranch branch = new TreeBranch(id, dataArr, childDataSize);
// Set up the branch node object
node = new TreeReportNode("branch", id);
node.SetProperty("VER", ver);
node.SetProperty("key", leftKey.ToString());
node.SetProperty("branch_size", branch.ChildCount);
// Recursively add each child into the tree
for (int i = 0; i < branch.ChildCount; ++i) {
NodeId childId = branch.GetChild(i);
// If the id is a special node, skip it
if (childId.IsSpecial) {
// Should we record special nodes?
} else {
Key newLeftKey = (i > 0) ? branch.GetKey(i) : leftKey;
TreeReportNode bn = new TreeReportNode("child_meta", id);
bn.SetProperty("extent", branch.GetChildLeafElementCount(i));
node.ChildNodes.Add(bn);
node.ChildNodes.Add(CreateDiagnosticRootGraph(newLeftKey, childId));
}
}
} else {
throw new IOException("Unknown node type: " + nodeType);
}
return node;
}
public TreeReportNode CreateDiagnosticGraph()
{
CheckErrorState();
// Create the header node
TreeReportNode headerNode = new TreeReportNode("header", headerId);
// Get the header area
IArea headerArea = nodeStore.GetArea(headerId);
headerArea.Position = 8;
// Read the versions list,
long versionListRef = headerArea.ReadInt8();
// Create the version node
TreeReportNode versionsNode =
new TreeReportNode("versions list", versionListRef);
// Set this as a child to the header
headerNode.ChildNodes.Add(versionsNode);
// Read the versions list area
// magic(int), versions count(int), list of version id objects.
IArea versionsArea = nodeStore.GetArea(versionListRef);
if (versionsArea.ReadInt4() != 0x01433)
{
throw new IOException("Incorrect magic value 0x01433");
}
int versCount = versionsArea.ReadInt4();
// For each id from the versions area, read in the associated VersionInfo
// object into the 'vers' array.
for (int i = 0; i < versCount; ++i)
{
long vInfoRef = versionsArea.ReadInt8();
// Set up the information in our node
TreeReportNode vInfoNode = new TreeReportNode("version", vInfoRef);
// Read in the version information node
IArea vInfoArea = nodeStore.GetArea(vInfoRef);
int magic = vInfoArea.ReadInt4();
int ver = vInfoArea.ReadInt4();
long versionId = vInfoArea.ReadInt8();
long rnrHigh = vInfoArea.ReadInt8();
long rnrLow = vInfoArea.ReadInt8();
NodeId rootNodeId = new NodeId(rnrHigh, rnrLow);
vInfoNode.SetProperty("MAGIC", magic);
vInfoNode.SetProperty("VER", ver);
vInfoNode.SetProperty("version_id", versionId);
// Make the deleted area list into a property
int deletedAreaCount = vInfoArea.ReadInt4();
if (deletedAreaCount > 0)
{
for (int n = 0; n < deletedAreaCount; ++n)
{
long delnHigh = vInfoArea.ReadInt8();
long delnLow = vInfoArea.ReadInt8();
NodeId delNodeId = new NodeId(delnHigh, delnLow);
vInfoNode.ChildNodes.Add(new TreeReportNode("delete", delNodeId));
}
}
// Add the child node (the root node of the version graph).
vInfoNode.ChildNodes.Add(CreateDiagnosticRootGraph(Key.Head, rootNodeId));
// Add this to the version list node
versionsNode.ChildNodes.Add(vInfoNode);
}
// Return the header node
return(headerNode);
}
public TreeReportNode CreateDiagnosticGraph()
{
CheckErrorState();
// Create the header node
TreeReportNode headerNode = new TreeReportNode("header", headerId);
// Get the header area
IArea headerArea = nodeStore.GetArea(headerId);
headerArea.Position = 8;
// Read the versions list,
long versionListRef = headerArea.ReadInt8();
// Create the version node
TreeReportNode versionsNode =
new TreeReportNode("versions list", versionListRef);
// Set this as a child to the header
headerNode.ChildNodes.Add(versionsNode);
// Read the versions list area
// magic(int), versions count(int), list of version id objects.
IArea versionsArea = nodeStore.GetArea(versionListRef);
if (versionsArea.ReadInt4() != 0x01433)
throw new IOException("Incorrect magic value 0x01433");
int versCount = versionsArea.ReadInt4();
// For each id from the versions area, read in the associated VersionInfo
// object into the 'vers' array.
for (int i = 0; i < versCount; ++i) {
long vInfoRef = versionsArea.ReadInt8();
// Set up the information in our node
TreeReportNode vInfoNode = new TreeReportNode("version", vInfoRef);
// Read in the version information node
IArea vInfoArea = nodeStore.GetArea(vInfoRef);
int magic = vInfoArea.ReadInt4();
int ver = vInfoArea.ReadInt4();
long versionId = vInfoArea.ReadInt8();
long rnrHigh = vInfoArea.ReadInt8();
long rnrLow = vInfoArea.ReadInt8();
NodeId rootNodeId = new NodeId(rnrHigh, rnrLow);
vInfoNode.SetProperty("MAGIC", magic);
vInfoNode.SetProperty("VER", ver);
vInfoNode.SetProperty("version_id", versionId);
// Make the deleted area list into a property
int deletedAreaCount = vInfoArea.ReadInt4();
if (deletedAreaCount > 0) {
for (int n = 0; n < deletedAreaCount; ++n) {
long delnHigh = vInfoArea.ReadInt8();
long delnLow = vInfoArea.ReadInt8();
NodeId delNodeId = new NodeId(delnHigh, delnLow);
vInfoNode.ChildNodes.Add(new TreeReportNode("delete", delNodeId));
}
}
// Add the child node (the root node of the version graph).
vInfoNode.ChildNodes.Add(CreateDiagnosticRootGraph(Key.Head, rootNodeId));
// Add this to the version list node
versionsNode.ChildNodes.Add(vInfoNode);
}
// Return the header node
return headerNode;
}
