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-rw-r--r--src/init.cpp43
1 files changed, 37 insertions, 6 deletions
diff --git a/src/init.cpp b/src/init.cpp
index f35979bc09..3775790b68 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -28,6 +28,15 @@ using namespace boost;
CWallet* pwalletMain;
CClientUIInterface uiInterface;
+#ifdef WIN32
+// Win32 LevelDB doesn't use filedescriptors, and the ones used for
+// accessing block files, don't count towards to fd_set size limit
+// anyway.
+#define MIN_CORE_FILEDESCRIPTORS 0
+#else
+#define MIN_CORE_FILEDESCRIPTORS 150
+#endif
+
// Used to pass flags to the Bind() function
enum BindFlags {
BF_NONE = 0,
@@ -281,8 +290,7 @@ std::string HelpMessage()
" -? " + _("This help message") + "\n" +
" -conf=<file> " + _("Specify configuration file (default: bitcoin.conf)") + "\n" +
" -pid=<file> " + _("Specify pid file (default: bitcoind.pid)") + "\n" +
- " -gen " + _("Generate coins") + "\n" +
- " -gen=0 " + _("Don't generate coins") + "\n" +
+ " -gen " + _("Generate coins (default: 0)") + "\n" +
" -datadir=<dir> " + _("Specify data directory") + "\n" +
" -dbcache=<n> " + _("Set database cache size in megabytes (default: 25)") + "\n" +
" -timeout=<n> " + _("Specify connection timeout in milliseconds (default: 5000)") + "\n" +
@@ -349,7 +357,7 @@ std::string HelpMessage()
" -txindex " + _("Maintain a full transaction index (default: 0)") + "\n" +
" -loadblock=<file> " + _("Imports blocks from external blk000??.dat file") + "\n" +
" -reindex " + _("Rebuild block chain index from current blk000??.dat files") + "\n" +
- " -par=<n> " + _("Set the number of script verification threads (1-16, 0=auto, default: 0)") + "\n" +
+ " -par=<n> " + _("Set the number of script verification threads (up to 16, 0 = auto, <0 = leave that many cores free, default: 0)") + "\n" +
"\n" + _("Block creation options:") + "\n" +
" -blockminsize=<n> " + _("Set minimum block size in bytes (default: 0)") + "\n" +
@@ -453,6 +461,14 @@ bool AppInit2(boost::thread_group& threadGroup)
typedef BOOL (WINAPI *PSETPROCDEPPOL)(DWORD);
PSETPROCDEPPOL setProcDEPPol = (PSETPROCDEPPOL)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy");
if (setProcDEPPol != NULL) setProcDEPPol(PROCESS_DEP_ENABLE);
+
+ // Initialize Windows Sockets
+ WSADATA wsadata;
+ int ret = WSAStartup(MAKEWORD(2,2), &wsadata);
+ if (ret != NO_ERROR || LOBYTE(wsadata.wVersion ) != 2 || HIBYTE(wsadata.wVersion) != 2)
+ {
+ return InitError(strprintf("Error: Winsock library failed to start (WSAStartup returned error %d)", ret));
+ }
#endif
#ifndef WIN32
umask(077);
@@ -510,6 +526,16 @@ bool AppInit2(boost::thread_group& threadGroup)
SoftSetBoolArg("-rescan", true);
}
+ // Make sure enough file descriptors are available
+ int nBind = std::max((int)mapArgs.count("-bind"), 1);
+ nMaxConnections = GetArg("-maxconnections", 125);
+ nMaxConnections = std::max(std::min(nMaxConnections, FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS), 0);
+ int nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS);
+ if (nFD < MIN_CORE_FILEDESCRIPTORS)
+ return InitError(_("Not enough file descriptors available."));
+ if (nFD - MIN_CORE_FILEDESCRIPTORS < nMaxConnections)
+ nMaxConnections = nFD - MIN_CORE_FILEDESCRIPTORS;
+
// ********************************************************* Step 3: parameter-to-internal-flags
fDebug = GetBoolArg("-debug");
@@ -517,8 +543,8 @@ bool AppInit2(boost::thread_group& threadGroup)
// -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
nScriptCheckThreads = GetArg("-par", 0);
- if (nScriptCheckThreads == 0)
- nScriptCheckThreads = boost::thread::hardware_concurrency();
+ if (nScriptCheckThreads <= 0)
+ nScriptCheckThreads += boost::thread::hardware_concurrency();
if (nScriptCheckThreads <= 1)
nScriptCheckThreads = 0;
else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS)
@@ -585,7 +611,8 @@ bool AppInit2(boost::thread_group& threadGroup)
if (!fLogTimestamps)
printf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()).c_str());
printf("Default data directory %s\n", GetDefaultDataDir().string().c_str());
- printf("Used data directory %s\n", strDataDir.c_str());
+ printf("Using data directory %s\n", strDataDir.c_str());
+ printf("Using at most %i connections (%i file descriptors available)\n", nMaxConnections, nFD);
std::ostringstream strErrors;
if (fDaemon)
@@ -960,6 +987,8 @@ bool AppInit2(boost::thread_group& threadGroup)
CBlockLocator locator;
if (walletdb.ReadBestBlock(locator))
pindexRescan = locator.GetBlockIndex();
+ else
+ pindexRescan = pindexGenesisBlock;
}
if (pindexBest && pindexBest != pindexRescan)
{
@@ -968,6 +997,8 @@ bool AppInit2(boost::thread_group& threadGroup)
nStart = GetTimeMillis();
pwalletMain->ScanForWalletTransactions(pindexRescan, true);
printf(" rescan %15"PRI64d"ms\n", GetTimeMillis() - nStart);
+ pwalletMain->SetBestChain(CBlockLocator(pindexBest));
+ nWalletDBUpdated++;
}
// ********************************************************* Step 9: import blocks