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Code Activity

Finished set-up for nix-state, now: adding runtime state parameters & exclude state-identifier as input from state-hash

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This commit is contained in:
Wouter den Breejen 2007-05-29 11:34:54 +00:00
parent 0a303ea2c0
commit fbd1b78a9d
10 changed files with 120 additions and 74 deletions
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54
src/libstore/local-store.cc
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@ -143,6 +143,7 @@ LocalStore::LocalStore(bool reserveSpace)
dbReferrers = nixDB.openTable("referrers", true); /* must be sorted */
dbSubstitutes = nixDB.openTable("substitutes");
dbDerivers = nixDB.openTable("derivers");
dbStateCounters = nixDB.openTable("statecounters");
int curSchema = 0;
Path schemaFN = nixDBPath + "/schema";
@ -1095,6 +1096,59 @@ void verifyStore(bool checkContents)
txn.commit();
}
void setStatePathsInterval(const PathSet & statePaths, const vector<int> & intervals, bool allZero)
{
if(!allZero && statePaths.size() != intervals.size()){
throw Error("the number of statepaths and intervals must be equal");
}
Transaction txn(nixDB);
int n=0;
for (PathSet::iterator i = statePaths.begin(); i != statePaths.end(); ++i)
{
printMsg(lvlError, format("PATH: %1%") % *i);
int interval=0;
if(!allZero)
interval = intervals.at(n);
nixDB.setString(txn, dbStateCounters, *i, int2String(interval));
n++;
}
txn.commit();
}
void LocalStore::setStatePathsInterval(const PathSet & statePaths, const vector<int> & intervals, bool allZero)
{
nix::setStatePathsInterval(statePaths, intervals, allZero);
}
vector<int> getStatePathsInterval(const PathSet & statePaths)
{
Transaction txn(nixDB); //TODO should u do a transaction here? ... this might delay the process ...
vector<int> intervals;
string data;
for (PathSet::iterator i = statePaths.begin(); i != statePaths.end(); ++i){
nixDB.queryString(txn, dbStateCounters, *i, data);
printMsg(lvlError, format("Data %1%") % data);
}
txn.commit();
return intervals;
}
vector<int> LocalStore::getStatePathsInterval(const PathSet & statePaths)
{
return nix::getStatePathsInterval(statePaths);
}
/* Upgrade from schema 1 (Nix <= 0.7) to schema 2 (Nix >= 0.8). */
static void upgradeStore07()