Skip to content

Commit

Permalink
Browse files Browse the repository at this point in the history
Merge pull request #654 from TheBlueMatt/dnsseed-thread
Move DNS Seed lookup to a new thread.
  • Loading branch information
gavinandresen committed Dec 2, 2011
2 parents 173efb1 + 2bc6cec commit 43ae68b
Show file tree
Hide file tree
Showing 3 changed files with 38 additions and 7 deletions.
5 changes: 0 additions & 5 deletions src/init.cpp
Expand Up @@ -487,11 +487,6 @@ bool AppInit2(int argc, char* argv[])
}
}

if (GetBoolArg("-nodnsseed"))
printf("DNS seeding disabled\n");
else
DNSAddressSeed();

if (mapArgs.count("-paytxfee"))
{
if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee))
Expand Down
39 changes: 38 additions & 1 deletion src/net.cpp
Expand Up @@ -32,6 +32,7 @@ void ThreadOpenConnections2(void* parg);
#ifdef USE_UPNP
void ThreadMapPort2(void* parg);
#endif
void ThreadDNSAddressSeed2(void* parg);
bool OpenNetworkConnection(const CAddress& addrConnect);


Expand Down Expand Up @@ -1213,8 +1214,28 @@ static const char *strDNSSeed[] = {
"dnsseed.bluematt.me",
};

void DNSAddressSeed()
void ThreadDNSAddressSeed(void* parg)
{
IMPLEMENT_RANDOMIZE_STACK(ThreadDNSAddressSeed(parg));
try
{
vnThreadsRunning[6]++;
ThreadDNSAddressSeed2(parg);
vnThreadsRunning[6]--;
}
catch (std::exception& e) {
vnThreadsRunning[6]--;
PrintException(&e, "ThreadDNSAddressSeed()");
} catch (...) {
vnThreadsRunning[6]--;
throw; // support pthread_cancel()
}
printf("ThreadDNSAddressSeed exiting\n");
}

void ThreadDNSAddressSeed2(void* parg)
{
printf("ThreadDNSAddressSeed started\n");
int found = 0;

if (!fTestNet)
Expand Down Expand Up @@ -1247,6 +1268,15 @@ void DNSAddressSeed()












unsigned int pnSeed[] =
{
0x6884ac63, 0x3ffecead, 0x2919b953, 0x0942fe50, 0x7a1d922e, 0xcdd6734a, 0x953a5bb6, 0x2c46922e,
Expand Down Expand Up @@ -1757,6 +1787,12 @@ void StartNode(void* parg)
// Start threads
//

if (GetBoolArg("-nodnsseed"))
printf("DNS seeding disabled\n");
else
if (!CreateThread(ThreadDNSAddressSeed, NULL))
printf("Error: CreateThread(ThreadDNSAddressSeed) failed\n");

// Map ports with UPnP
if (fHaveUPnP)
MapPort(fUseUPnP);
Expand Down Expand Up @@ -1803,6 +1839,7 @@ bool StopNode()
if (vnThreadsRunning[3] > 0) printf("ThreadBitcoinMiner still running\n");
if (vnThreadsRunning[4] > 0) printf("ThreadRPCServer still running\n");
if (fHaveUPnP && vnThreadsRunning[5] > 0) printf("ThreadMapPort still running\n");
if (vnThreadsRunning[6] > 0) printf("ThreadDNSAddressSeed still running\n");
while (vnThreadsRunning[2] > 0 || vnThreadsRunning[4] > 0)
Sleep(20);
Sleep(50);
Expand Down
1 change: 0 additions & 1 deletion src/net.h
Expand Up @@ -40,7 +40,6 @@ CNode* ConnectNode(CAddress addrConnect, int64 nTimeout=0);
void AbandonRequests(void (*fn)(void*, CDataStream&), void* param1);
bool AnySubscribed(unsigned int nChannel);
void MapPort(bool fMapPort);
void DNSAddressSeed();
bool BindListenPort(std::string& strError=REF(std::string()));
void StartNode(void* parg);
bool StopNode();
Expand Down

0 comments on commit 43ae68b

Please sign in to comment.