Allow UPnP mapping when USE_UPNP is defined and miniupnpc is installed at build time(statically linked).

Thanks joepie91 for the translation of the new copyright notices into Dutch.
Thanks sipa for the translation of the new copyright notices into French.
Thanks megu for the translation of the new copyright notices into Spanish.
Thanks justmoon/Blitzboom for the translation of the new copyright notices into German.
Thanks Joozero for the translation of the new copyright notices into Italian.
Remaining translations were provided by Google Translate.

net.cpp

@@ -4,11 +4,21 @@
 
 #include "headers.h"
 
+#ifdef USE_UPNP
+#include <miniupnpc/miniwget.h>
+#include <miniupnpc/miniupnpc.h>
+#include <miniupnpc/upnpcommands.h>
+#include <miniupnpc/upnperrors.h>
+#endif
+
 static const int MAX_OUTBOUND_CONNECTIONS = 8;
 
 void ThreadMessageHandler2(void* parg);
 void ThreadSocketHandler2(void* parg);
 void ThreadOpenConnections2(void* parg);
+#ifdef USE_UPNP
+void ThreadMapPort2(void* parg);
+#endif
 bool OpenNetworkConnection(const CAddress& addrConnect);
 
 
@@ -857,6 +867,109 @@ void ThreadSocketHandler2(void* parg)
 
 
 
+#ifdef USE_UPNP
+void ThreadMapPort(void* parg)
+{
+    IMPLEMENT_RANDOMIZE_STACK(ThreadMapPort(parg));
+    try
+    {
+        vnThreadsRunning[5]++;
+        ThreadMapPort2(parg);
+        vnThreadsRunning[5]--;
+    }
+    catch (std::exception& e) {
+        vnThreadsRunning[5]--;
+        PrintException(&e, "ThreadMapPort()");
+    } catch (...) {
+        vnThreadsRunning[5]--;
+        PrintException(NULL, "ThreadMapPort()");
+    }
+    printf("ThreadMapPort exiting\n");
+}
+
+void ThreadMapPort2(void* parg)
+{
+    printf("ThreadMapPort started\n");
+
+    char port[6];
+    sprintf(port, "%d", ntohs(GetDefaultPort()));
+
+    const char * rootdescurl = 0;
+    const char * multicastif = 0;
+    const char * minissdpdpath = 0;
+    struct UPNPDev * devlist = 0;
+    char lanaddr[64];
+
+    devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0);
+
+    struct UPNPUrls urls;
+    struct IGDdatas data;
+    int r;
+
+    if (UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr)) == 1)
+    {
+        char intClient[16];
+        char intPort[6];
+
+#ifndef __WXMSW__
+        r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
+	                        port, port, lanaddr, 0, "TCP", 0);
+#else
+        r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
+	                        port, port, lanaddr, 0, "TCP", 0, "0");
+#endif
+        if(r!=UPNPCOMMAND_SUCCESS)
+            printf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n",
+                port, port, lanaddr, r, strupnperror(r));
+        else
+            printf("UPnP Port Mapping successful.\n");
+        loop {
+            if (fShutdown || !fUseUPnP)
+            {
+                r = UPNP_DeletePortMapping(urls.controlURL, data.first.servicetype, port, "TCP", 0);
+                printf("UPNP_DeletePortMapping() returned : %d\n", r);
+                freeUPNPDevlist(devlist); devlist = 0;
+                FreeUPNPUrls(&urls);
+                return;
+            }
+            Sleep(2000);
+        }
+    } else {
+        printf("No valid UPnP IGDs found\n");
+        freeUPNPDevlist(devlist); devlist = 0;
+        FreeUPNPUrls(&urls);
+        loop {
+            if (fShutdown)
+                return;
+            Sleep(2000);
+        }
+    }
+}
+
+void MapPort(bool fMapPort)
+{
+    if (fUseUPnP != fMapPort)
+    {
+        fUseUPnP = fMapPort;
+        CWalletDB().WriteSetting("fUseUPnP", fUseUPnP);
+    }
+    if (fUseUPnP && vnThreadsRunning[5] < 1)
+    {
+        if (!CreateThread(ThreadMapPort, NULL))
+            printf("Error: ThreadMapPort(ThreadMapPort) failed\n");
+    }
+}
+#endif
+
+
+
+
+
+
+
+
+
+
 static const char *strDNSSeed[] = {
     "bitseed.xf2.org",
 };
@@ -1409,6 +1522,10 @@ void StartNode(void* parg)
     // Start threads
     //
 
+    // Map ports with UPnP
+    if (fHaveUPnP)
+        MapPort(fUseUPnP);
+
     // Get addresses from IRC and advertise ours
     if (!CreateThread(ThreadIRCSeed, NULL))
         printf("Error: CreateThread(ThreadIRCSeed) failed\n");
@@ -1434,7 +1551,11 @@ bool StopNode()
     fShutdown = true;
     nTransactionsUpdated++;
     int64 nStart = GetTime();
-    while (vnThreadsRunning[0] > 0 || vnThreadsRunning[2] > 0 || vnThreadsRunning[3] > 0 || vnThreadsRunning[4] > 0)
+    while (vnThreadsRunning[0] > 0 || vnThreadsRunning[2] > 0 || vnThreadsRunning[3] > 0 || vnThreadsRunning[4] > 0
+#ifdef USE_UPNP
+        || vnThreadsRunning[5] > 0
+#endif
+    )
     {
         if (GetTime() - nStart > 20)
             break;
@@ -1445,6 +1566,7 @@ bool StopNode()
     if (vnThreadsRunning[2] > 0) printf("ThreadMessageHandler still running\n");
     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");
     while (vnThreadsRunning[2] > 0 || vnThreadsRunning[4] > 0)
         Sleep(20);
     Sleep(50);