97 lines
2.4 KiB
C++
97 lines
2.4 KiB
C++
#include "boltdb.h"
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BoltDB::BoltDB()
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{
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}
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BoltDB* BoltDB::createFrom(QString filePath, QString &errorOut)
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{
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auto opts = ::Bolt_Options_New_Readonly();
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QByteArray filePathBytes(filePath.toUtf8());
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GoString filePathGS = Interop::toGoString_WeakRef(&filePathBytes);
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auto open_ret = ::Bolt_Open(filePathGS, 0444, opts);
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if (open_ret.r2 != 0) {
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errorOut = QString::fromUtf8(open_ret.r1, open_ret.r2);
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free(open_ret.r1);
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return nullptr;
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}
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BoltDB *ret = new BoltDB();
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ret->gmsDbRef = open_ret.r0;
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return ret;
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}
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static const int ERROR_AND_STOP_CALLING = 100;
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static const int ERROR_AND_KEEP_CALLING = 101;
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static const int FINISHED_OK = 102;
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static const int REAL_MESSAGE = 103;
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bool BoltDB::listBucketsAtRoot(QString& errorOut, NameReciever cb)
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{
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auto listJob = ::Bolt_ListBucketsAtRoot(this->gmsDbRef);
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errorOut.clear();
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for(;;) {
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auto gnr = ::GetNext(listJob);
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if (gnr.r0 == ERROR_AND_STOP_CALLING) {
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errorOut.append(QString::fromUtf8(gnr.r1, gnr.r2)); // log error
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free(gnr.r1);
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break; // done
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} else if (gnr.r0 == ERROR_AND_KEEP_CALLING) {
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errorOut.append(QString::fromUtf8(gnr.r1, gnr.r2)); // log error
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free(gnr.r1);
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continue;
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} else if (gnr.r0 == FINISHED_OK) {
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// Once we hit this, the go-side will clean up the channel / associated goroutines
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break;
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} else if (gnr.r0 == REAL_MESSAGE) {
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cb(QByteArray(gnr.r1, gnr.r2));
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free(gnr.r1);
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continue;
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}
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}
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return (errorOut.length() == 0);
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}
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bool BoltDB::getStatsJSON(std::function<void(QString)> onSuccess, std::function<void(QString)> onError)
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{
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auto statresp = Bolt_DBStats(this->gmsDbRef);
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if (statresp.r0 == ERROR_AND_STOP_CALLING) {
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QString err = QString::fromUtf8(statresp.r1, statresp.r2);
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free(statresp.r1);
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onError(err);
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return false;
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} else if (statresp.r0 == REAL_MESSAGE) {
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QString json = QString::fromUtf8(statresp.r1, statresp.r2);
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free(statresp.r1);
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onSuccess(json);
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return true;
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} else {
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// ?? shouldn't be reachable
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return false;
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}
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}
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BoltDB::~BoltDB()
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{
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auto err = ::Bolt_Close(this->gmsDbRef);
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if (err.r1 != 0) {
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// Error closing database!
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// Need to display an alert... somewhere
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free(err.r0);
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}
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}
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