Remove half-implemented publish/subscribe system

[novacoin.git] / src / net.cpp

diff --git a/src/net.cpp b/src/net.cpp
index 08edafb..7dc2d4c 100644 (file)
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -44,6 +44,7 @@ bool OpenNetworkConnection(const CAddress& addrConnect);
 //
 bool fClient = false;
 bool fAllowDNS = false;
+static bool fUseUPnP = false;
 uint64 nLocalServices = (fClient ? 0 : NODE_NETWORK);
 CAddress addrLocalHost(CService("0.0.0.0", 0), nLocalServices);
 static CNode* pnodeLocalHost = NULL;
@@ -288,105 +289,6 @@ void AddressCurrentlyConnected(const CService& addr)
 
 
 
-void AbandonRequests(void (*fn)(void*, CDataStream&), void* param1)
-{
-    // If the dialog might get closed before the reply comes back,
-    // call this in the destructor so it doesn't get called after it's deleted.
-    CRITICAL_BLOCK(cs_vNodes)
-    {
-        BOOST_FOREACH(CNode* pnode, vNodes)
-        {
-            CRITICAL_BLOCK(pnode->cs_mapRequests)
-            {
-                for (map<uint256, CRequestTracker>::iterator mi = pnode->mapRequests.begin(); mi != pnode->mapRequests.end();)
-                {
-                    CRequestTracker& tracker = (*mi).second;
-                    if (tracker.fn == fn && tracker.param1 == param1)
-                        pnode->mapRequests.erase(mi++);
-                    else
-                        mi++;
-                }
-            }
-        }
-    }
-}
-
-
-
-
-
-
-
-//
-// Subscription methods for the broadcast and subscription system.
-// Channel numbers are message numbers, i.e. MSG_TABLE and MSG_PRODUCT.
-//
-// The subscription system uses a meet-in-the-middle strategy.
-// With 100,000 nodes, if senders broadcast to 1000 random nodes and receivers
-// subscribe to 1000 random nodes, 99.995% (1 - 0.99^1000) of messages will get through.
-//
-
-bool AnySubscribed(unsigned int nChannel)
-{
-    if (pnodeLocalHost->IsSubscribed(nChannel))
-        return true;
-    CRITICAL_BLOCK(cs_vNodes)
-        BOOST_FOREACH(CNode* pnode, vNodes)
-            if (pnode->IsSubscribed(nChannel))
-                return true;
-    return false;
-}
-
-bool CNode::IsSubscribed(unsigned int nChannel)
-{
-    if (nChannel >= vfSubscribe.size())
-        return false;
-    return vfSubscribe[nChannel];
-}
-
-void CNode::Subscribe(unsigned int nChannel, unsigned int nHops)
-{
-    if (nChannel >= vfSubscribe.size())
-        return;
-
-    if (!AnySubscribed(nChannel))
-    {
-        // Relay subscribe
-        CRITICAL_BLOCK(cs_vNodes)
-            BOOST_FOREACH(CNode* pnode, vNodes)
-                if (pnode != this)
-                    pnode->PushMessage("subscribe", nChannel, nHops);
-    }
-
-    vfSubscribe[nChannel] = true;
-}
-
-void CNode::CancelSubscribe(unsigned int nChannel)
-{
-    if (nChannel >= vfSubscribe.size())
-        return;
-
-    // Prevent from relaying cancel if wasn't subscribed
-    if (!vfSubscribe[nChannel])
-        return;
-    vfSubscribe[nChannel] = false;
-
-    if (!AnySubscribed(nChannel))
-    {
-        // Relay subscription cancel
-        CRITICAL_BLOCK(cs_vNodes)
-            BOOST_FOREACH(CNode* pnode, vNodes)
-                if (pnode != this)
-                    pnode->PushMessage("sub-cancel", nChannel);
-    }
-}
-
-
-
-
-
-
-
 
 
 CNode* FindNode(const CNetAddr& ip)
@@ -479,18 +381,12 @@ void CNode::CloseSocketDisconnect()
         printf("disconnecting node %s\n", addr.ToString().c_str());
         closesocket(hSocket);
         hSocket = INVALID_SOCKET;
+        vRecv.clear();
     }
 }
 
 void CNode::Cleanup()
 {
-    // All of a nodes broadcasts and subscriptions are automatically torn down
-    // when it goes down, so a node has to stay up to keep its broadcast going.
-
-    // Cancel subscriptions
-    for (unsigned int nChannel = 0; nChannel < vfSubscribe.size(); nChannel++)
-        if (vfSubscribe[nChannel])
-            CancelSubscribe(nChannel);
 }
 
 
@@ -733,7 +629,7 @@ void ThreadSocketHandler2(void* parg)
             }
             else if (CNode::IsBanned(addr))
             {
-                printf("connetion from %s dropped (banned)\n", addr.ToString().c_str());
+                printf("connection from %s dropped (banned)\n", addr.ToString().c_str());
                 closesocket(hSocket);
             }
             else
@@ -1023,7 +919,6 @@ void MapPort(bool fMapPort)
     if (fUseUPnP != fMapPort)
     {
         fUseUPnP = fMapPort;
-        WriteSetting("fUseUPnP", fUseUPnP);
     }
     if (fUseUPnP && vnThreadsRunning[THREAD_UPNP] < 1)
     {
@@ -1092,8 +987,9 @@ void ThreadDNSAddressSeed2(void* parg)
             {
                 BOOST_FOREACH(CNetAddr& ip, vaddr)
                 {
+                    int nOneDay = 24*3600;
                     CAddress addr = CAddress(CService(ip, GetDefaultPort()));
-                    addr.nTime = 0;
+                    addr.nTime = GetTime() - 3*nOneDay - GetRand(4*nOneDay); // use a random age between 3 and 7 days old
                     vAdd.push_back(addr);
                     found++;
                 }
@@ -1628,6 +1524,14 @@ bool BindListenPort(string& strError)
 
 void StartNode(void* parg)
 {
+#ifdef USE_UPNP
+#if USE_UPNP
+    fUseUPnP = GetBoolArg("-upnp", true);
+#else
+    fUseUPnP = GetBoolArg("-upnp", false);
+#endif
+#endif
+
     if (pnodeLocalHost == NULL)
         pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress(CService("127.0.0.1", 0), nLocalServices));
 
@@ -1733,7 +1637,7 @@ void StartNode(void* parg)
         printf("Error; CreateThread(ThreadDumpAddress) failed\n");
 
     // Generate coins in the background
-    GenerateBitcoins(fGenerateBitcoins, pwalletMain);
+    GenerateBitcoins(GetBoolArg("-gen", false), pwalletMain);
 }
 
 bool StopNode()