Give CMainSignals a reference to the global scheduler

...so that it can run some signals in the background later
This commit is contained in:
Matt Corallo 2017-01-19 16:49:22 -05:00
parent 3a19fed9db
commit cda1429d5b
5 changed files with 32 additions and 0 deletions

View file

@ -251,6 +251,7 @@ void Shutdown()
}
#endif
UnregisterAllValidationInterfaces();
GetMainSignals().UnregisterBackgroundSignalScheduler();
#ifdef ENABLE_WALLET
for (CWalletRef pwallet : vpwallets) {
delete pwallet;
@ -1203,6 +1204,8 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
CScheduler::Function serviceLoop = boost::bind(&CScheduler::serviceQueue, &scheduler);
threadGroup.create_thread(boost::bind(&TraceThread<CScheduler::Function>, "scheduler", serviceLoop));
GetMainSignals().RegisterBackgroundSignalScheduler(scheduler);
/* Start the RPC server already. It will be started in "warmup" mode
* and not really process calls already (but it will signify connections
* that the server is there and will be ready later). Warmup mode will

View file

@ -62,6 +62,12 @@ TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(cha
pathTemp = GetTempPath() / strprintf("test_bitcoin_%lu_%i", (unsigned long)GetTime(), (int)(InsecureRandRange(100000)));
fs::create_directories(pathTemp);
ForceSetArg("-datadir", pathTemp.string());
// Note that because we don't bother running a scheduler thread here,
// callbacks via CValidationInterface are unreliable, but that's OK,
// our unit tests aren't testing multiple parts of the code at once.
GetMainSignals().RegisterBackgroundSignalScheduler(scheduler);
mempool.setSanityCheck(1.0);
pblocktree = new CBlockTreeDB(1 << 20, true);
pcoinsdbview = new CCoinsViewDB(1 << 23, true);
@ -88,6 +94,7 @@ TestingSetup::~TestingSetup()
UnregisterNodeSignals(GetNodeSignals());
threadGroup.interrupt_all();
threadGroup.join_all();
GetMainSignals().UnregisterBackgroundSignalScheduler();
UnloadBlockIndex();
delete pcoinsTip;
delete pcoinsdbview;

View file

@ -10,6 +10,7 @@
#include "key.h"
#include "pubkey.h"
#include "random.h"
#include "scheduler.h"
#include "txdb.h"
#include "txmempool.h"
@ -53,6 +54,7 @@ struct TestingSetup: public BasicTestingSetup {
fs::path pathTemp;
boost::thread_group threadGroup;
CConnman* connman;
CScheduler scheduler;
TestingSetup(const std::string& chainName = CBaseChainParams::MAIN);
~TestingSetup();

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@ -4,6 +4,8 @@
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "validationinterface.h"
#include "init.h"
#include "scheduler.h"
#include <boost/signals2/signal.hpp>
@ -17,6 +19,8 @@ struct MainSignalsInstance {
boost::signals2::signal<void (int64_t nBestBlockTime, CConnman* connman)> Broadcast;
boost::signals2::signal<void (const CBlock&, const CValidationState&)> BlockChecked;
boost::signals2::signal<void (const CBlockIndex *, const std::shared_ptr<const CBlock>&)> NewPoWValidBlock;
CScheduler *m_scheduler = NULL;
};
static CMainSignals g_signals;
@ -25,6 +29,15 @@ CMainSignals::CMainSignals() {
m_internals.reset(new MainSignalsInstance());
}
void CMainSignals::RegisterBackgroundSignalScheduler(CScheduler& scheduler) {
assert(!m_internals->m_scheduler);
m_internals->m_scheduler = &scheduler;
}
void CMainSignals::UnregisterBackgroundSignalScheduler() {
m_internals->m_scheduler = NULL;
}
CMainSignals& GetMainSignals()
{
return g_signals;

View file

@ -19,6 +19,7 @@ class CReserveScript;
class CValidationInterface;
class CValidationState;
class uint256;
class CScheduler;
// These functions dispatch to one or all registered wallets
@ -72,9 +73,15 @@ private:
friend void ::RegisterValidationInterface(CValidationInterface*);
friend void ::UnregisterValidationInterface(CValidationInterface*);
friend void ::UnregisterAllValidationInterfaces();
public:
CMainSignals();
/** Register a CScheduler to give callbacks which should run in the background (may only be called once) */
void RegisterBackgroundSignalScheduler(CScheduler& scheduler);
/** Unregister a CScheduler to give callbacks which should run in the background - these callbacks will now be dropped! */
void UnregisterBackgroundSignalScheduler();
void UpdatedBlockTip(const CBlockIndex *, const CBlockIndex *, bool fInitialDownload);
void TransactionAddedToMempool(const CTransactionRef &);
void BlockConnected(const std::shared_ptr<const CBlock> &, const CBlockIndex *pindex, const std::vector<CTransactionRef> &);