// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-#include "headers.h"
#include "irc.h"
#include "db.h"
#include "net.h"
#include "init.h"
#include "strlcpy.h"
#include "addrman.h"
+#include "ui_interface.h"
#ifdef WIN32
#include <string.h>
void ThreadMapPort2(void* parg);
#endif
void ThreadDNSAddressSeed2(void* parg);
-bool OpenNetworkConnection(const CAddress& addrConnect);
+bool OpenNetworkConnection(const CAddress& addrConnect, bool fUseGrant = true);
set<CNetAddr> setservAddNodeAddresses;
CCriticalSection cs_setservAddNodeAddresses;
-static CWaitableCriticalSection csOutbound;
-static int nOutbound = 0;
-static CConditionVariable condOutbound;
-
+static CSemaphore *semOutbound = NULL;
unsigned short GetListenPort()
{
LOCK(cs_vNodes);
vNodes.push_back(pnode);
}
- {
- WAITABLE_LOCK(csOutbound);
- nOutbound++;
- }
pnode->nTimeConnected = GetTime();
return pnode;
{
printf("ThreadSocketHandler started\n");
list<CNode*> vNodesDisconnected;
- int nPrevNodeCount = 0;
+ unsigned int nPrevNodeCount = 0;
loop
{
// remove from vNodes
vNodes.erase(remove(vNodes.begin(), vNodes.end(), pnode), vNodes.end());
- if (!pnode->fInbound)
- {
- WAITABLE_LOCK(csOutbound);
- nOutbound--;
-
- // Connection slot(s) were removed, notify connection creator(s)
- NOTIFY(condOutbound);
- }
+ if (pnode->fHasGrant)
+ semOutbound->post();
+ pnode->fHasGrant = false;
// close socket and cleanup
pnode->CloseSocketDisconnect();
if (hSocketMax > -1)
{
printf("socket select error %d\n", nErr);
- for (int i = 0; i <= hSocketMax; i++)
+ for (unsigned int i = 0; i <= hSocketMax; i++)
FD_SET(i, &fdsetRecv);
}
FD_ZERO(&fdsetSend);
{
printf("Loading addresses from DNS seeds (could take a while)\n");
- for (int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) {
+ for (unsigned int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) {
vector<CNetAddr> vaddr;
vector<CAddress> vAdd;
if (LookupHost(strDNSSeed[seed_idx][1], vaddr))
{
CAddress addr(CService(strAddr, GetDefaultPort(), fAllowDNS));
if (addr.IsValid())
- OpenNetworkConnection(addr);
+ OpenNetworkConnection(addr, false);
for (int i = 0; i < 10 && i < nLoop; i++)
{
Sleep(500);
if (fShutdown)
return;
- // Limit outbound connections
- int nMaxOutbound = min(MAX_OUTBOUND_CONNECTIONS, (int)GetArg("-maxconnections", 125));
+
vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
- {
- WAITABLE_LOCK(csOutbound);
- WAIT(condOutbound, fShutdown || nOutbound < nMaxOutbound);
- }
+ semOutbound->wait();
vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
if (fShutdown)
return;
if (addrman.size()==0 && (GetTime() - nStart > 60 || fTOR) && !fTestNet)
{
std::vector<CAddress> vAdd;
- for (int i = 0; i < ARRAYLEN(pnSeed); i++)
+ for (unsigned int i = 0; i < ARRAYLEN(pnSeed); i++)
{
// It'll only connect to one or two seed nodes because once it connects,
// it'll get a pile of addresses with newer timestamps.
// Only connect to one address per a.b.?.? range.
// Do this here so we don't have to critsect vNodes inside mapAddresses critsect.
+ int nOutbound = 0;
set<vector<unsigned char> > setConnected;
{
LOCK(cs_vNodes);
- BOOST_FOREACH(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes) {
setConnected.insert(pnode->addr.GetGroup());
+ if (!pnode->fInbound)
+ nOutbound++;
+ }
}
int64 nANow = GetAdjustedTime();
if (addrConnect.IsValid())
OpenNetworkConnection(addrConnect);
+ else
+ semOutbound->post();
}
}
}
BOOST_FOREACH(vector<CService>& vserv, vservConnectAddresses)
{
+ semOutbound->wait();
OpenNetworkConnection(CAddress(*(vserv.begin())));
Sleep(500);
if (fShutdown)
}
}
-bool OpenNetworkConnection(const CAddress& addrConnect)
+bool static ReleaseGrant(bool fUseGrant) {
+ if (fUseGrant)
+ semOutbound->post();
+ return false;
+}
+
+// only call this function when semOutbound has been waited for
+bool OpenNetworkConnection(const CAddress& addrConnect, bool fUseGrant)
{
//
// Initiate outbound network connection
return false;
if ((CNetAddr)addrConnect == (CNetAddr)addrLocalHost || !addrConnect.IsIPv4() ||
FindNode((CNetAddr)addrConnect) || CNode::IsBanned(addrConnect))
- return false;
+ return ReleaseGrant(fUseGrant);
vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
CNode* pnode = ConnectNode(addrConnect);
if (fShutdown)
return false;
if (!pnode)
- return false;
+ return ReleaseGrant(fUseGrant);
+ if (pnode->fHasGrant) {
+ // node already has connection grant, release the one that was passed to us
+ ReleaseGrant(fUseGrant);
+ } else {
+ pnode->fHasGrant = fUseGrant;
+ }
pnode->fNetworkNode = true;
return true;
void StartNode(void* parg)
{
+ if (semOutbound == NULL) {
+ // initialize semaphore
+ int nMaxOutbound = min(MAX_OUTBOUND_CONNECTIONS, (int)GetArg("-maxconnections", 125));
+ semOutbound = new CSemaphore(nMaxOutbound);
+ }
+
#ifdef USE_UPNP
#if USE_UPNP
fUseUPnP = GetBoolArg("-upnp", true);
{
vector<CNetAddr> vaddr;
if (LookupHost(pszHostName, vaddr))
+ {
BOOST_FOREACH (const CNetAddr &addr, vaddr)
+ {
if (!addr.IsLocal())
{
addrLocalHost.SetIP(addr);
break;
}
+ }
+ }
}
#else
// Get local host ip
fShutdown = true;
nTransactionsUpdated++;
int64 nStart = GetTime();
- NOTIFY_ALL(condOutbound);
+ for (int i=0; i<MAX_OUTBOUND_CONNECTIONS; i++)
+ semOutbound->post();
do
{
int nThreadsRunning = 0;
git://git.novaco.in / novacoin.git / blobdiff