Merge pull request #1369 from sipa/bootorder

Reorder AppInit2

src/init.cpp

@@ -275,6 +275,7 @@ std::string HelpMessage()
  */
 bool AppInit2()
 {
+    // ********************************************************* Step 1: setup
 #ifdef _MSC_VER
     // Turn off microsoft heap dump noise
     _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
@@ -304,12 +305,35 @@ bool AppInit2()
     sigaction(SIGHUP, &sa_hup, NULL);
 #endif
 
+    // ********************************************************* Step 2: parameter interactions
+
     fTestNet = GetBoolArg("-testnet");
     if (fTestNet)
     {
         SoftSetBoolArg("-irc", true);
     }
 
+    if (mapArgs.count("-connect"))
+        SoftSetBoolArg("-dnsseed", false);
+
+    // even in Tor mode, if -bind is specified, you really want -listen
+    if (mapArgs.count("-bind"))
+        SoftSetBoolArg("-listen", true);
+
+    bool fTor = (fUseProxy && addrProxy.GetPort() == 9050);
+    if (fTor)
+    {
+        // Use SoftSetBoolArg here so user can override any of these if they wish.
+        // Note: the GetBoolArg() calls for all of these must happen later.
+        SoftSetBoolArg("-listen", false);
+        SoftSetBoolArg("-irc", false);
+        SoftSetBoolArg("-proxydns", true);
+        SoftSetBoolArg("-upnp", false);
+        SoftSetBoolArg("-discover", false);
+    }
+
+    // ********************************************************* Step 3: parameter-to-internal-flags
+
     fDebug = GetBoolArg("-debug");
     fDetachDB = GetBoolArg("-detachdb", false);
 
@@ -332,6 +356,38 @@ bool AppInit2()
     fPrintToDebugger = GetBoolArg("-printtodebugger");
     fLogTimestamps = GetBoolArg("-logtimestamps");
 
+    if (mapArgs.count("-timeout"))
+    {
+        int nNewTimeout = GetArg("-timeout", 5000);
+        if (nNewTimeout > 0 && nNewTimeout < 600000)
+            nConnectTimeout = nNewTimeout;
+    }
+
+    // Continue to put "/P2SH/" in the coinbase to monitor
+    // BIP16 support.
+    // This can be removed eventually...
+    const char* pszP2SH = "/P2SH/";
+    COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
+
+
+    if (mapArgs.count("-paytxfee"))
+    {
+        if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee))
+            return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"].c_str()));
+        if (nTransactionFee > 0.25 * COIN)
+            InitWarning(_("Warning: -paytxfee is set very high. This is the transaction fee you will pay if you send a transaction."));
+    }
+
+    // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
+
+    // Make sure only a single Bitcoin process is using the data directory.
+    boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
+    FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
+    if (file) fclose(file);
+    static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
+    if (!lock.try_lock())
+        return InitError(strprintf(_("Cannot obtain a lock on data directory %s.  Bitcoin is probably already running."), GetDataDir().string().c_str()));
+
 #if !defined(WIN32) && !defined(QT_GUI)
     if (fDaemon)
     {
@@ -359,6 +415,96 @@ bool AppInit2()
     printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
     printf("Bitcoin version %s (%s)\n", FormatFullVersion().c_str(), CLIENT_DATE.c_str());
     printf("Default data directory %s\n", GetDefaultDataDir().string().c_str());
+    std::ostringstream strErrors;
+
+    if (fDaemon)
+        fprintf(stdout, "Bitcoin server starting\n");
+
+    int64 nStart;
+
+    // ********************************************************* Step 5: network initialization
+
+    if (mapArgs.count("-proxy"))
+    {
+        fUseProxy = true;
+        addrProxy = CService(mapArgs["-proxy"], 9050);
+        if (!addrProxy.IsValid())
+            return InitError(strprintf(_("Invalid -proxy address: '%s'"), mapArgs["-proxy"].c_str()));
+    }
+
+    if (mapArgs.count("-noproxy"))
+    {
+        BOOST_FOREACH(std::string snet, mapMultiArgs["-noproxy"]) {
+            enum Network net = ParseNetwork(snet);
+            if (net == NET_UNROUTABLE)
+                return InitError(strprintf(_("Unknown network specified in -noproxy: '%s'"), snet.c_str()));
+            SetNoProxy(net);
+        }
+    }
+
+    fNameLookup = GetBoolArg("-dns");
+    fProxyNameLookup = GetBoolArg("-proxydns");
+    if (fProxyNameLookup)
+        fNameLookup = true;
+    fNoListen = !GetBoolArg("-listen", true);
+    nSocksVersion = GetArg("-socks", 5);
+    if (nSocksVersion != 4 && nSocksVersion != 5)
+        return InitError(strprintf(_("Unknown -socks proxy version requested: %i"), nSocksVersion));
+
+    if (mapArgs.count("-onlynet")) {
+        std::set<enum Network> nets;
+        BOOST_FOREACH(std::string snet, mapMultiArgs["-onlynet"]) {
+            enum Network net = ParseNetwork(snet);
+            if (net == NET_UNROUTABLE)
+                return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet.c_str()));
+            nets.insert(net);
+        }
+        for (int n = 0; n < NET_MAX; n++) {
+            enum Network net = (enum Network)n;
+            if (!nets.count(net))
+                SetLimited(net);
+        }
+    }
+
+    BOOST_FOREACH(string strDest, mapMultiArgs["-seednode"])
+        AddOneShot(strDest);
+
+    bool fBound = false;
+    if (!fNoListen)
+    {
+        std::string strError;
+        if (mapArgs.count("-bind")) {
+            BOOST_FOREACH(std::string strBind, mapMultiArgs["-bind"]) {
+                CService addrBind;
+                if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))
+                    return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind.c_str()));
+                fBound |= Bind(addrBind);
+            }
+        } else {
+            struct in_addr inaddr_any;
+            inaddr_any.s_addr = INADDR_ANY;
+            if (!IsLimited(NET_IPV4))
+                fBound |= Bind(CService(inaddr_any, GetListenPort()));
+#ifdef USE_IPV6
+            if (!IsLimited(NET_IPV6))
+                fBound |= Bind(CService(in6addr_any, GetListenPort()));
+#endif
+        }
+        if (!fBound)
+            return InitError(_("Not listening on any port"));
+    }
+
+    if (mapArgs.count("-externalip"))
+    {
+        BOOST_FOREACH(string strAddr, mapMultiArgs["-externalip"]) {
+            CService addrLocal(strAddr, GetListenPort(), fNameLookup);
+            if (!addrLocal.IsValid())
+                return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr.c_str()));
+            AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL);
+        }
+    }
+
+    // ********************************************************* Step 6: load blockchain
 
     if (GetBoolArg("-loadblockindextest"))
     {
@@ -368,35 +514,6 @@ bool AppInit2()
         return false;
     }
 
-    // Make sure only a single Bitcoin process is using the data directory.
-    boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
-    FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
-    if (file) fclose(file);
-    static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
-    if (!lock.try_lock())
-        return InitError(strprintf(_("Cannot obtain a lock on data directory %s.  Bitcoin is probably already running."), GetDataDir().string().c_str()));
-
-    std::ostringstream strErrors;
-    //
-    // Load data files
-    //
-    if (fDaemon)
-        fprintf(stdout, "Bitcoin server starting\n");
-    int64 nStart;
-
-    uiInterface.InitMessage(_("Loading addresses..."));
-    printf("Loading addresses...\n");
-    nStart = GetTimeMillis();
-
-    {
-        CAddrDB adb;
-        if (!adb.Read(addrman))
-            printf("Invalid or missing peers.dat; recreating\n");
-    }
-
-    printf("Loaded %i addresses from peers.dat  %"PRI64d"ms\n",
-           addrman.size(), GetTimeMillis() - nStart);
-
     uiInterface.InitMessage(_("Loading block index..."));
     printf("Loading block index...\n");
     nStart = GetTimeMillis();
@@ -413,15 +530,36 @@ bool AppInit2()
     }
     printf(" block index %15"PRI64d"ms\n", GetTimeMillis() - nStart);
 
-    if (mapArgs.count("-loadblock"))
+    if (GetBoolArg("-printblockindex") || GetBoolArg("-printblocktree"))
     {
-        BOOST_FOREACH(string strFile, mapMultiArgs["-loadblock"])
+        PrintBlockTree();
+        return false;
+    }
+
+    if (mapArgs.count("-printblock"))
     {
-            FILE *file = fopen(strFile.c_str(), "rb");
+        string strMatch = mapArgs["-printblock"];
-            if (file)
+        int nFound = 0;
-                LoadExternalBlockFile(file);
+        for (map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi)
+        {
+            uint256 hash = (*mi).first;
+            if (strncmp(hash.ToString().c_str(), strMatch.c_str(), strMatch.size()) == 0)
+            {
+                CBlockIndex* pindex = (*mi).second;
+                CBlock block;
+                block.ReadFromDisk(pindex);
+                block.BuildMerkleTree();
+                block.print();
+                printf("\n");
+                nFound++;
             }
         }
+        if (nFound == 0)
+            printf("No blocks matching %s were found\n", strMatch.c_str());
+        return false;
+    }
+
+    // ********************************************************* Step 7: load wallet
 
     uiInterface.InitMessage(_("Loading wallet..."));
     printf("Loading wallet...\n");
@@ -498,8 +636,39 @@ bool AppInit2()
         printf(" rescan      %15"PRI64d"ms\n", GetTimeMillis() - nStart);
     }
 
-    uiInterface.InitMessage(_("Done loading"));
+    // ********************************************************* Step 8: import blocks
-    printf("Done loading\n");
+
+    if (mapArgs.count("-loadblock"))
+    {
+        BOOST_FOREACH(string strFile, mapMultiArgs["-loadblock"])
+        {
+            FILE *file = fopen(strFile.c_str(), "rb");
+            if (file)
+                LoadExternalBlockFile(file);
+        }
+    }
+
+    // ********************************************************* Step 9: load peers
+
+    uiInterface.InitMessage(_("Loading addresses..."));
+    printf("Loading addresses...\n");
+    nStart = GetTimeMillis();
+
+    {
+        CAddrDB adb;
+        if (!adb.Read(addrman))
+            printf("Invalid or missing peers.dat; recreating\n");
+    }
+
+    printf("Loaded %i addresses from peers.dat  %"PRI64d"ms\n",
+           addrman.size(), GetTimeMillis() - nStart);
+
+    // ********************************************************* Step 10: start node
+
+    if (!CheckDiskSpace())
+        return false;
+
+    RandAddSeedPerfmon();
 
     //// debug print
     printf("mapBlockIndex.size() = %d\n",   mapBlockIndex.size());
@@ -508,182 +677,23 @@ bool AppInit2()
     printf("mapWallet.size() = %d\n",       pwalletMain->mapWallet.size());
     printf("mapAddressBook.size() = %d\n",  pwalletMain->mapAddressBook.size());
 
-    if (!strErrors.str().empty())
-        return InitError(strErrors.str());
-
-    // Add wallet transactions that aren't already in a block to mapTransactions
-    pwalletMain->ReacceptWalletTransactions();
-
-    // Note: Bitcoin-Qt stores several settings in the wallet, so we want
-    // to load the wallet BEFORE parsing command-line arguments, so
-    // the command-line/bitcoin.conf settings override GUI setting.
-
-    //
-    // Parameters
-    //
-    if (GetBoolArg("-printblockindex") || GetBoolArg("-printblocktree"))
-    {
-        PrintBlockTree();
-        return false;
-    }
-
-    if (mapArgs.count("-timeout"))
-    {
-        int nNewTimeout = GetArg("-timeout", 5000);
-        if (nNewTimeout > 0 && nNewTimeout < 600000)
-            nConnectTimeout = nNewTimeout;
-    }
-
-    if (mapArgs.count("-printblock"))
-    {
-        string strMatch = mapArgs["-printblock"];
-        int nFound = 0;
-        for (map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi)
-        {
-            uint256 hash = (*mi).first;
-            if (strncmp(hash.ToString().c_str(), strMatch.c_str(), strMatch.size()) == 0)
-            {
-                CBlockIndex* pindex = (*mi).second;
-                CBlock block;
-                block.ReadFromDisk(pindex);
-                block.BuildMerkleTree();
-                block.print();
-                printf("\n");
-                nFound++;
-            }
-        }
-        if (nFound == 0)
-            printf("No blocks matching %s were found\n", strMatch.c_str());
-        return false;
-    }
-
-    if (mapArgs.count("-proxy"))
-    {
-        fUseProxy = true;
-        addrProxy = CService(mapArgs["-proxy"], 9050);
-        if (!addrProxy.IsValid())
-            return InitError(strprintf(_("Invalid -proxy address: '%s'"), mapArgs["-proxy"].c_str()));
-    }
-
-    if (mapArgs.count("-noproxy"))
-    {
-        BOOST_FOREACH(std::string snet, mapMultiArgs["-noproxy"]) {
-            enum Network net = ParseNetwork(snet);
-            if (net == NET_UNROUTABLE)
-                return InitError(strprintf(_("Unknown network specified in -noproxy: '%s'"), snet.c_str()));
-            SetNoProxy(net);
-        }
-    }
-
-    if (mapArgs.count("-connect"))
-        SoftSetBoolArg("-dnsseed", false);
-
-    // even in Tor mode, if -bind is specified, you really want -listen
-    if (mapArgs.count("-bind"))
-        SoftSetBoolArg("-listen", true);
-
-    bool fTor = (fUseProxy && addrProxy.GetPort() == 9050);
-    if (fTor)
-    {
-        // Use SoftSetBoolArg here so user can override any of these if they wish.
-        // Note: the GetBoolArg() calls for all of these must happen later.
-        SoftSetBoolArg("-listen", false);
-        SoftSetBoolArg("-irc", false);
-        SoftSetBoolArg("-proxydns", true);
-        SoftSetBoolArg("-upnp", false);
-        SoftSetBoolArg("-discover", false);
-    }
-
-    if (mapArgs.count("-onlynet")) {
-        std::set<enum Network> nets;
-        BOOST_FOREACH(std::string snet, mapMultiArgs["-onlynet"]) {
-            enum Network net = ParseNetwork(snet);
-            if (net == NET_UNROUTABLE)
-                return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet.c_str()));
-            nets.insert(net);
-        }
-        for (int n = 0; n < NET_MAX; n++) {
-            enum Network net = (enum Network)n;
-            if (!nets.count(net))
-                SetLimited(net);
-        }
-    }
-
-    fNameLookup = GetBoolArg("-dns");
-    fProxyNameLookup = GetBoolArg("-proxydns");
-    if (fProxyNameLookup)
-        fNameLookup = true;
-    fNoListen = !GetBoolArg("-listen", true);
-    nSocksVersion = GetArg("-socks", 5);
-    if (nSocksVersion != 4 && nSocksVersion != 5)
-        return InitError(strprintf(_("Unknown -socks proxy version requested: %i"), nSocksVersion));
-
-    BOOST_FOREACH(string strDest, mapMultiArgs["-seednode"])
-        AddOneShot(strDest);
-
-    // Continue to put "/P2SH/" in the coinbase to monitor
-    // BIP16 support.
-    // This can be removed eventually...
-    const char* pszP2SH = "/P2SH/";
-    COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
-
-    bool fBound = false;
-    if (!fNoListen)
-    {
-        std::string strError;
-        if (mapArgs.count("-bind")) {
-            BOOST_FOREACH(std::string strBind, mapMultiArgs["-bind"]) {
-                CService addrBind;
-                if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))
-                    return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind.c_str()));
-                fBound |= Bind(addrBind);
-            }
-        } else {
-            struct in_addr inaddr_any;
-            inaddr_any.s_addr = INADDR_ANY;
-            if (!IsLimited(NET_IPV4))
-                fBound |= Bind(CService(inaddr_any, GetListenPort()));
-#ifdef USE_IPV6
-            if (!IsLimited(NET_IPV6))
-                fBound |= Bind(CService(in6addr_any, GetListenPort()));
-#endif
-        }
-        if (!fBound)
-            return InitError(_("Not listening on any port"));
-    }
-
-    if (mapArgs.count("-externalip"))
-    {
-        BOOST_FOREACH(string strAddr, mapMultiArgs["-externalip"]) {
-            CService addrLocal(strAddr, GetListenPort(), fNameLookup);
-            if (!addrLocal.IsValid())
-                return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr.c_str()));
-            AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL);
-        }
-    }
-
-    if (mapArgs.count("-paytxfee"))
-    {
-        if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee))
-            return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"].c_str()));
-        if (nTransactionFee > 0.25 * COIN)
-            InitWarning(_("Warning: -paytxfee is set very high. This is the transaction fee you will pay if you send a transaction."));
-    }
-
-    //
-    // Start the node
-    //
-    if (!CheckDiskSpace())
-        return false;
-
-    RandAddSeedPerfmon();
-
     if (!CreateThread(StartNode, NULL))
         InitError(_("Error: could not start node"));
 
     if (fServer)
         CreateThread(ThreadRPCServer, NULL);
 
+    // ********************************************************* Step 11: finished
+
+    uiInterface.InitMessage(_("Done loading"));
+    printf("Done loading\n");
+
+    if (!strErrors.str().empty())
+        return InitError(strErrors.str());
+
+     // Add wallet transactions that aren't already in a block to mapTransactions
+    pwalletMain->ReacceptWalletTransactions();
+
 #if !defined(QT_GUI)
     // Loop until process is exit()ed from shutdown() function,
     // called from ThreadRPCServer thread when a "stop" command is received.