Get local host IP on Linux, Shutdown() a little cleaner -- linux-0.1.6-test1 waypoint

git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@37 1a98c847-1fd6-4fd8-948a-caf3550aa51b

headers.h

@@ -72,6 +72,8 @@
 #include <netdb.h>
 #include <unistd.h>
 #include <errno.h>
+#include <net/if.h>
+#include <ifaddrs.h>
 #include <boost/filesystem.hpp>
 #include <boost/thread/thread.hpp>
 #include <boost/algorithm/string.hpp>

main.cpp

@@ -1215,7 +1215,7 @@ bool CBlock::AcceptBlock()
         return error("AcceptBlock() : block's timestamp is too early");
 
     // Check that all transactions are finalized (starting around Dec 2009)
-    if (nBestHeight > 31000) // 25620 + 5320
+    if (nBestHeight > 31000)
         foreach(const CTransaction& tx, vtx)
             if (!tx.IsFinal(nTime))
                 return error("AcceptBlock() : contains a non-final transaction");
@@ -1802,7 +1802,7 @@ bool ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         {
             if (fShutdown)
                 return true;
-            addr.nTime = GetAdjustedTime();
+            addr.nTime = GetAdjustedTime() - 2 * 60 * 60;
             if (pfrom->fGetAddr)
                 addr.nTime -= 5 * 24 * 60 * 60;
             AddAddress(addrdb, addr, false);

makefile.unix

@@ -15,21 +15,24 @@ endif
 
 
 
-INCLUDEPATHS=-I"/usr/include" \
-             -I"/usr/local/boost_1_40_0" \
-             -I"/usr/local/db-4.7.25.NC/build_unix" \
-             -I"/usr/local/include/wx-2.8" \
-             -I"/usr/local/lib/wx/include/gtk2-ansi-debug-static-2.8"
-
-LIBPATHS=-L"/usr/lib" \
-         -L"/usr/local/lib" \
-         -L"/usr/local/db-4.7.25.NC/build_unix"
+INCLUDEPATHS= \
+ -I"/usr/include" \
+ -I"/usr/local/boost_1_40_0" \
+ -I"/usr/local/db-4.7.25.NC/build_unix" \
+ -I"/usr/local/include/wx-2.8" \
+ -I"/usr/local/lib/wx/include/gtk2-ansi-debug-static-2.8"
+
+LIBPATHS= \
+ -L"/usr/lib" \
+ -L"/usr/local/lib" \
+ -L"/usr/local/db-4.7.25.NC/build_unix"
 
 LIBS= \
  -Wl,-Bstatic -l boost_thread -l boost_system -l boost_filesystem -Wl,-Bdynamic \
  -Wl,-Bstatic -l db_cxx -l wx_gtk2$(D)-2.8 -Wl,-Bdynamic \
  -l crypto \
  -l gtk-x11-2.0 -l gthread-2.0 -l SM
+
 WXDEFS=-D__WXGTK__ -DNOPCH
 CFLAGS=-O0 -w -Wno-invalid-offsetof -Wformat $(DEBUGFLAGS) $(WXDEFS) $(INCLUDEPATHS)
 HEADERS=headers.h util.h main.h serialize.h uint256.h key.h bignum.h script.h db.h base58.h
@@ -76,7 +79,7 @@ obj/irc.o:  irc.cpp		    $(HEADERS)
 
 
 OBJS=obj/util.o obj/script.o obj/db.o obj/net.o obj/main.o obj/market.o \
-	obj/ui.o obj/uibase.o obj/sha.o obj/irc.o 
+	obj/ui.o obj/uibase.o obj/sha.o obj/irc.o
 
 bitcoin: headers.h.gch $(OBJS)
 	g++ $(CFLAGS) -o $@ $(LIBPATHS) $(OBJS) $(LIBS)

net.cpp

@@ -842,20 +842,20 @@ void ThreadOpenConnections2(void* parg)
                 if (!addr.IsIPv4() || !addr.IsValid() || setConnected.count(addr.ip))
                     continue;
 
+                // Randomize the order in a deterministic way, putting the standard port first
+                int64 nRandomizer = (uint64)(addr.nLastFailed * 9567851 + addr.ip * 7789) % (1 * 60 * 60);
+                if (addr.port != DEFAULT_PORT)
+                    nRandomizer += 1 * 60 * 60;
+
                 // Limit retry frequency
-                if (GetAdjustedTime() < addr.nLastFailed + nDelay)
+                if (GetAdjustedTime() < addr.nLastFailed + nDelay + nRandomizer)
                     continue;
 
                 // Try again only after all addresses had a first attempt
-                int64 nTime = addr.nTime;
+                int64 nTime = addr.nTime - nRandomizer;
                 if (addr.nLastFailed > addr.nTime)
                     nTime -= 365 * 24 * 60 * 60;
 
-                // Randomize the order a little, putting the standard port first
-                nTime += GetRand(1 * 60 * 60);
-                if (addr.port != DEFAULT_PORT)
-                    nTime -= 1 * 60 * 60;
-
                 if (nTime > nBestTime)
                 {
                     nBestTime = nTime;
@@ -1069,6 +1069,7 @@ bool StartNode(string& strError)
     if (pnodeLocalHost == NULL)
         pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress("127.0.0.1", nLocalServices));
 
+#ifdef __WXMSW__
     // Get local host ip
     char pszHostName[255];
     if (gethostname(pszHostName, sizeof(pszHostName)) == SOCKET_ERROR)
@@ -1090,10 +1091,49 @@ bool StartNode(string& strError)
         printf("host ip %d: %s\n", i, CAddress(*(unsigned int*)phostent->h_addr_list[i]).ToStringIP().c_str());
     for (int i = 0; phostent->h_addr_list[i] != NULL; i++)
     {
-        addrLocalHost = CAddress(*(unsigned int*)phostent->h_addr_list[i], DEFAULT_PORT, nLocalServices);
-        if (addrLocalHost.IsValid() && addrLocalHost.GetByte(3) != 127)
+        CAddress addr(*(unsigned int*)phostent->h_addr_list[i], DEFAULT_PORT, nLocalServices);
+        if (addr.IsValid() && addr.GetByte(3) != 127)
+        {
+            addrLocalHost = addr;
             break;
+        }
+    }
+#else
+    // Get local host ip
+    struct ifaddrs* myaddrs;
+    if (getifaddrs(&myaddrs) == 0)
+    {
+        for (struct ifaddrs* ifa = myaddrs; ifa != NULL; ifa = ifa->ifa_next)
+        {
+            if (ifa->ifa_addr == NULL) continue;
+            if ((ifa->ifa_flags & IFF_UP) == 0) continue;
+            if (strcmp(ifa->ifa_name, "lo") == 0) continue;
+            if (strcmp(ifa->ifa_name, "lo0") == 0) continue;
+            char pszIP[100];
+            if (ifa->ifa_addr->sa_family == AF_INET)
+            {
+                struct sockaddr_in* s4 = (struct sockaddr_in*)(ifa->ifa_addr);
+                if (inet_ntop(ifa->ifa_addr->sa_family, (void*)&(s4->sin_addr), pszIP, sizeof(pszIP)) != NULL)
+                    printf("ipv4 %s: %s\n", ifa->ifa_name, pszIP);
+
+                // Take the first IP that isn't loopback 127.x.x.x
+                CAddress addr(*(unsigned int*)&s4->sin_addr, DEFAULT_PORT, nLocalServices);
+                if (addr.IsValid() && addr.GetByte(3) != 127)
+                {
+                    addrLocalHost = addr;
+                    break;
+                }
+            }
+            else if (ifa->ifa_addr->sa_family == AF_INET6)
+            {
+                struct sockaddr_in6* s6 = (struct sockaddr_in6*)(ifa->ifa_addr);
+                if (inet_ntop(ifa->ifa_addr->sa_family, (void*)&(s6->sin6_addr), pszIP, sizeof(pszIP)) != NULL)
+                    printf("ipv6 %s: %s\n", ifa->ifa_name, pszIP);
+            }
+        }
+        freeifaddrs(myaddrs);
     }
+#endif
     printf("addrLocalHost = %s\n", addrLocalHost.ToString().c_str());
 
     // Get our external IP address for incoming connections

ui.cpp

@@ -387,17 +387,28 @@ CMainFrame::~CMainFrame()
 void Shutdown(void* parg)
 {
     static CCriticalSection cs_Shutdown;
+    static bool fTaken;
+    bool fFirstThread;
     CRITICAL_BLOCK(cs_Shutdown)
+    {
+        fFirstThread = !fTaken;
+        fTaken = true;
+    }
+    if (fFirstThread)
     {
         fShutdown = true;
         nTransactionsUpdated++;
         DBFlush(false);
         StopNode();
         DBFlush(true);
-
         printf("Bitcoin exiting\n\n");
         exit(0);
     }
+    else
+    {
+        loop
+            Sleep(100000);
+    }
 }
 
 void CMainFrame::OnClose(wxCloseEvent& event)