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Rename SHAMap states.

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This commit is contained in:
JoelKatz
2012-09-14 07:08:27 -07:00
parent 72f9417149
commit 72b2478a7b
2 changed files with 25 additions and 19 deletions
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30
src/SHAMap.h
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@@ -217,11 +217,11 @@ public:
enum SHAMapState
{
Modifying = 0, // Objects can be added and removed (like an open ledger)
Immutable = 1, // Map cannot be changed (like a closed ledger)
Synching = 2, // Map's hash is locked in, valid nodes can be added (like a peer's closing ledger)
Floating = 3, // Map is free to change hash (like a synching open ledger)
Invalid = 4, // Map is known not to be valid (usually synching a corrupt ledger)
smsModifying = 0, // Objects can be added and removed (like an open ledger)
smsImmutable = 1, // Map cannot be changed (like a closed ledger)
smsSynching = 2, // Map's hash is locked in, valid nodes can be added (like a peer's closing ledger)
smsFloating = 3, // Map is free to change hash (like a synching open ledger)
smsInvalid = 4, // Map is known not to be valid (usually synching a corrupt ledger)
};
class SHAMapSyncFilter
@@ -229,9 +229,11 @@ class SHAMapSyncFilter
public:
SHAMapSyncFilter() { ; }
virtual ~SHAMapSyncFilter() { ; }
virtual void gotNode(const SHAMapNode& id, const uint256& nodeHash,
const std::vector<unsigned char>& nodeData, bool isLeaf)
{ ; }
virtual bool haveNode(const SHAMapNode& id, const uint256& nodeHash, std::vector<unsigned char>& nodeData)
{ return false; }
};
@@ -248,6 +250,7 @@ public:
{ ; }
virtual ~SHAMapMissingNode() throw()
{ ; }
const SHAMapNode& getNodeID() const { return mNodeID; }
const uint256& getNodeHash() const { return mNodeHash; }
};
@@ -257,6 +260,7 @@ class SHAMap
public:
typedef boost::shared_ptr<SHAMap> pointer;
typedef const boost::shared_ptr<SHAMap>& ref;
typedef std::map<uint256, std::pair<SHAMapItem::pointer, SHAMapItem::pointer> > SHAMapDiff;
private:
@@ -297,6 +301,8 @@ public:
SHAMap(uint32 seq = 0);
SHAMap(const uint256& hash);
~SHAMap() { mState = smsInvalid; }
// Returns a new map that's a snapshot of this one. Force CoW
SHAMap::pointer snapShot(bool isMutable);
@@ -342,13 +348,13 @@ public:
SHAMapSyncFilter* filter);
// status functions
void setImmutable(void) { assert(mState != Invalid); mState = Immutable; }
void clearImmutable(void) { mState = Modifying; }
bool isSynching(void) const { return (mState == Floating) || (mState == Synching); }
void setSynching(void) { mState = Synching; }
void setFloating(void) { mState = Floating; }
void clearSynching(void) { mState = Modifying; }
bool isValid(void) { return mState != Invalid; }
void setImmutable(void) { assert(mState != smsInvalid); mState = smsImmutable; }
void clearImmutable(void) { mState = smsModifying; }
bool isSynching(void) const { return (mState == smsFloating) || (mState == smsSynching); }
void setSynching(void) { mState = smsSynching; }
void setFloating(void) { mState = smsFloating; }
void clearSynching(void) { mState = smsModifying; }
bool isValid(void) { return mState != smsInvalid; }
// caution: otherMap must be accessed only by this function
// return value: true=successfully completed, false=too different