Make some global variables less-global (static)
[novacoin.git] / src / net.cpp
index 23b40f9..df98457 100644 (file)
@@ -1,4 +1,5 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2011 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.
 
 
 #ifdef __WXMSW__
 #include <string.h>
+// This file can be downloaded as a part of the Windows Platform SDK
+// and is required for Bitcoin binaries to work properly on versions
+// of Windows before XP.  If you are doing builds of Bitcoin for
+// public release, you should uncomment this line.
+//#include <WSPiApi.h>
 #endif
 
 #ifdef USE_UPNP
@@ -44,10 +50,10 @@ bool fClient = false;
 bool fAllowDNS = false;
 uint64 nLocalServices = (fClient ? 0 : NODE_NETWORK);
 CAddress addrLocalHost("0.0.0.0", 0, false, nLocalServices);
-CNode* pnodeLocalHost = NULL;
+static CNode* pnodeLocalHost = NULL;
 uint64 nLocalHostNonce = 0;
 array<int, 10> vnThreadsRunning;
-SOCKET hListenSocket = INVALID_SOCKET;
+static SOCKET hListenSocket = INVALID_SOCKET;
 
 vector<CNode*> vNodes;
 CCriticalSection cs_vNodes;
@@ -93,7 +99,7 @@ bool ConnectSocket(const CAddress& addrConnect, SOCKET& hSocketRet, int nTimeout
     SOCKET hSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
     if (hSocket == INVALID_SOCKET)
         return false;
-#ifdef BSD
+#ifdef SO_NOSIGPIPE
     int set = 1;
     setsockopt(hSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&set, sizeof(int));
 #endif
@@ -435,7 +441,7 @@ void ThreadGetMyExternalIP(void* parg)
 
 
 
-bool AddAddress(CAddress addr, int64 nTimePenalty)
+bool AddAddress(CAddress addr, int64 nTimePenalty, CAddrDB *pAddrDB)
 {
     if (!addr.IsRoutable())
         return false;
@@ -450,7 +456,10 @@ bool AddAddress(CAddress addr, int64 nTimePenalty)
             // New address
             printf("AddAddress(%s)\n", addr.ToString().c_str());
             mapAddresses.insert(make_pair(addr.GetKey(), addr));
-            CAddrDB().WriteAddress(addr);
+            if (pAddrDB)
+                pAddrDB->WriteAddress(addr);
+            else
+                CAddrDB().WriteAddress(addr);
             return true;
         }
         else
@@ -472,7 +481,12 @@ bool AddAddress(CAddress addr, int64 nTimePenalty)
                 fUpdated = true;
             }
             if (fUpdated)
-                CAddrDB().WriteAddress(addrFound);
+            {
+                if (pAddrDB)
+                    pAddrDB->WriteAddress(addrFound);
+                else
+                    CAddrDB().WriteAddress(addrFound);
+            }
         }
     }
     return false;
@@ -826,7 +840,7 @@ void ThreadSocketHandler2(void* parg)
         {
             BOOST_FOREACH(CNode* pnode, vNodes)
             {
-                if (pnode->hSocket == INVALID_SOCKET || pnode->hSocket < 0)
+                if (pnode->hSocket == INVALID_SOCKET)
                     continue;
                 FD_SET(pnode->hSocket, &fdsetRecv);
                 FD_SET(pnode->hSocket, &fdsetError);
@@ -1079,13 +1093,14 @@ void ThreadMapPort2(void* parg)
     {
         char intClient[16];
         char intPort[6];
+        string strDesc = "Bitcoin " + FormatFullVersion();
 
 #ifndef __WXMSW__
         r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
-                               port, port, lanaddr, 0, "TCP", 0);
+                               port, port, lanaddr, strDesc.c_str(), "TCP", 0);
 #else
         r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
-                               port, port, lanaddr, 0, "TCP", 0, "0");
+                               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",
@@ -1129,6 +1144,11 @@ void MapPort(bool fMapPort)
             printf("Error: ThreadMapPort(ThreadMapPort) failed\n");
     }
 }
+#else
+void MapPort(bool /* unused fMapPort */)
+{
+    // Intentionally left blank.
+}
 #endif
 
 
@@ -1153,6 +1173,8 @@ void DNSAddressSeed()
     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;
@@ -1163,12 +1185,14 @@ void DNSAddressSeed()
                     if (addr.GetByte(3) != 127)
                     {
                         addr.nTime = 0;
-                        AddAddress(addr);
+                        AddAddress(addr, 0, &addrDB);
                         found++;
                     }
                 }
             }
         }
+
+        addrDB.TxnCommit();  // Save addresses (it's ok if this fails)
     }
 
     printf("%d addresses found from DNS seeds\n", found);
@@ -1561,7 +1585,7 @@ bool BindListenPort(string& strError)
         return false;
     }
 
-#ifdef BSD
+#ifdef SO_NOSIGPIPE
     // Different way of disabling SIGPIPE on BSD
     setsockopt(hListenSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&nOne, sizeof(int));
 #endif
@@ -1695,7 +1719,7 @@ void StartNode(void* parg)
         printf("Error: CreateThread(ThreadIRCSeed) failed\n");
 
     // Send and receive from sockets, accept connections
-    pthread_t hThreadSocketHandler = CreateThread(ThreadSocketHandler, NULL, true);
+    CreateThread(ThreadSocketHandler, NULL, true);
 
     // Initiate outbound connections
     if (!CreateThread(ThreadOpenConnections, NULL))