Merge branch '0.4.x' into 0.5.0.x
[novacoin.git] / src / net.cpp
index 0c28eaa..18bafd0 100644 (file)
@@ -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);
 
 
@@ -495,21 +496,25 @@ bool AddAddress(CAddress addr, int64 nTimePenalty, CAddrDB *pAddrDB)
 
 void AddressCurrentlyConnected(const CAddress& addr)
 {
+    CAddress *paddrFound = NULL;
+
     CRITICAL_BLOCK(cs_mapAddresses)
     {
         // Only if it's been published already
         map<vector<unsigned char>, CAddress>::iterator it = mapAddresses.find(addr.GetKey());
         if (it != mapAddresses.end())
+            paddrFound = &(*it).second;
+    }
+
+    if (paddrFound)
+    {
+        int64 nUpdateInterval = 20 * 60;
+        if (paddrFound->nTime < GetAdjustedTime() - nUpdateInterval)
         {
-            CAddress& addrFound = (*it).second;
-            int64 nUpdateInterval = 20 * 60;
-            if (addrFound.nTime < GetAdjustedTime() - nUpdateInterval)
-            {
-                // Periodically update most recently seen time
-                addrFound.nTime = GetAdjustedTime();
-                CAddrDB addrdb;
-                addrdb.WriteAddress(addrFound);
-            }
+            // Periodically update most recently seen time
+            paddrFound->nTime = GetAdjustedTime();
+            CAddrDB addrdb;
+            addrdb.WriteAddress(*paddrFound);
         }
     }
 }
@@ -1128,14 +1133,19 @@ void ThreadMapPort2(void* parg)
     char port[6];
     sprintf(port, "%d", GetListenPort());
 
-    const char * rootdescurl = 0;
     const char * multicastif = 0;
     const char * minissdpdpath = 0;
-    int error = 0;
     struct UPNPDev * devlist = 0;
     char lanaddr[64];
 
+#ifndef UPNPDISCOVER_SUCCESS
+    /* miniupnpc 1.5 */
+    devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0);
+#else
+    /* miniupnpc 1.6 */
+    int error = 0;
     devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0, 0, &error);
+#endif
 
     struct UPNPUrls urls;
     struct IGDdatas data;
@@ -1144,11 +1154,16 @@ void ThreadMapPort2(void* parg)
     r = UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr));
     if (r == 1)
     {
-        char intClient[16];
-        char intPort[6];
         string strDesc = "Bitcoin " + FormatFullVersion();
+#ifndef UPNPDISCOVER_SUCCESS
+    /* miniupnpc 1.5 */
+        r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
+                               port, port, lanaddr, strDesc.c_str(), "TCP", 0);
+#else
+    /* miniupnpc 1.6 */
         r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
                                port, port, lanaddr, strDesc.c_str(), "TCP", 0, "0");
+#endif
 
         if(r!=UPNPCOMMAND_SUCCESS)
             printf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n",
@@ -1211,22 +1226,44 @@ void MapPort(bool /* unused fMapPort */)
 static const char *strDNSSeed[] = {
     "bitseed.xf2.org",
     "dnsseed.bluematt.me",
+    "seed.bitcoin.sipa.be",
+    "dnsseed.bitcoin.dashjr.org",
 };
 
-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)
     {
         printf("Loading addresses from DNS seeds (could take a while)\n");
-        CAddrDB addrDB;
-        addrDB.TxnBegin();
 
         for (int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) {
             vector<CAddress> vaddr;
             if (Lookup(strDNSSeed[seed_idx], vaddr, NODE_NETWORK, -1, true))
             {
+                CAddrDB addrDB;
+                addrDB.TxnBegin();
                 BOOST_FOREACH (CAddress& addr, vaddr)
                 {
                     if (addr.GetByte(3) != 127)
@@ -1236,10 +1273,9 @@ void DNSAddressSeed()
                         found++;
                     }
                 }
+                addrDB.TxnCommit();  // Save addresses (it's ok if this fails)
             }
         }
-
-        addrDB.TxnCommit();  // Save addresses (it's ok if this fails)
     }
 
     printf("%d addresses found from DNS seeds\n", found);
@@ -1247,6 +1283,15 @@ void DNSAddressSeed()
 
 
 
+
+
+
+
+
+
+
+
+
 unsigned int pnSeed[] =
 {
     0x6884ac63, 0x3ffecead, 0x2919b953, 0x0942fe50, 0x7a1d922e, 0xcdd6734a, 0x953a5bb6, 0x2c46922e,
@@ -1402,28 +1447,32 @@ void ThreadOpenConnections2(void* parg)
         if (fShutdown)
             return;
 
+        bool fAddSeeds = false;
+
         CRITICAL_BLOCK(cs_mapAddresses)
         {
             // Add seed nodes if IRC isn't working
             bool fTOR = (fUseProxy && addrProxy.port == htons(9050));
-            if (mapAddresses.empty() && (GetTime() - nStart > 60 || fTOR) && !fTestNet)
+            if (mapAddresses.empty() && (GetTime() - nStart > 60 || fUseProxy) && !fTestNet)
+                fAddSeeds = true;
+        }
+
+        if (fAddSeeds)
+        {
+            for (int i = 0; i < ARRAYLEN(pnSeed); i++)
             {
-                for (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.
-                    // Seed nodes are given a random 'last seen time' of between one and two
-                    // weeks ago.
-                    const int64 nOneWeek = 7*24*60*60;
-                    CAddress addr;
-                    addr.ip = pnSeed[i];
-                    addr.nTime = GetTime()-GetRand(nOneWeek)-nOneWeek;
-                    AddAddress(addr);
-                }
+                // It'll only connect to one or two seed nodes because once it connects,
+                // it'll get a pile of addresses with newer timestamps.
+                // Seed nodes are given a random 'last seen time' of between one and two
+                // weeks ago.
+                const int64 nOneWeek = 7*24*60*60;
+                CAddress addr;
+                addr.ip = pnSeed[i];
+                addr.nTime = GetTime()-GetRand(nOneWeek)-nOneWeek;
+                AddAddress(addr);
             }
         }
 
-
         //
         // Choose an address to connect to based on most recently seen
         //
@@ -1757,6 +1806,12 @@ 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);
@@ -1803,6 +1858,7 @@ 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);