Projects : bitcoin : bitcoin_getblockindex_etc

bitcoin/src/init.cpp

Dir - Raw

1// Copyright (c) 2009-2010 Satoshi Nakamoto
2// Copyright (c) 2009-2012 The Bitcoin developers
3// Distributed under the MIT/X11 software license, see the accompanying
4// file license.txt or http://www.opensource.org/licenses/mit-license.php.
5#include "headers.h"
6#include "db.h"
7#include "bitcoinrpc.h"
8#include "net.h"
9#include "init.h"
10#include "strlcpy.h"
11#include <boost/filesystem.hpp>
12#include <boost/filesystem/fstream.hpp>
13#include <boost/interprocess/sync/file_lock.hpp>
14
15// v0.5.4 RELEASE (keccak)
16
17using namespace std;
18using namespace boost;
19
20CWallet* pwalletMain;
21
22//////////////////////////////////////////////////////////////////////////////
23//
24// Shutdown
25//
26
27void ExitTimeout(void* parg)
28{
29}
30
31void Shutdown(void* parg)
32{
33 static CCriticalSection cs_Shutdown;
34 static bool fTaken;
35 bool fFirstThread = false;
36 TRY_CRITICAL_BLOCK(cs_Shutdown)
37 {
38 fFirstThread = !fTaken;
39 fTaken = true;
40 }
41 static bool fExit;
42 if (fFirstThread)
43 {
44 fShutdown = true;
45 nTransactionsUpdated++;
46 DBFlush(false);
47 StopNode();
48 DBFlush(true);
49 boost::filesystem::remove(GetPidFile());
50 UnregisterWallet(pwalletMain);
51 delete pwalletMain;
52 CreateThread(ExitTimeout, NULL);
53 Sleep(50);
54 printf("Bitcoin exiting\n\n");
55 fExit = true;
56 exit(0);
57 }
58 else
59 {
60 while (!fExit)
61 Sleep(500);
62 Sleep(100);
63 ExitThread(0);
64 }
65}
66
67void HandleSIGTERM(int)
68{
69 fRequestShutdown = true;
70}
71
72
73
74
75
76
77//////////////////////////////////////////////////////////////////////////////
78//
79// Start
80//
81
82int main(int argc, char* argv[])
83{
84 bool fRet = false;
85 fRet = AppInit(argc, argv);
86
87 if (fRet && fDaemon)
88 return 0;
89
90 return 1;
91}
92
93
94bool AppInit(int argc, char* argv[])
95{
96 bool fRet = false;
97 try
98 {
99 fRet = AppInit2(argc, argv);
100 }
101 catch (std::exception& e) {
102 PrintException(&e, "AppInit()");
103 } catch (...) {
104 PrintException(NULL, "AppInit()");
105 }
106 if (!fRet)
107 Shutdown(NULL);
108 return fRet;
109}
110
111bool AppInit2(int argc, char* argv[])
112{
113 umask(077);
114
115 // Clean shutdown on SIGTERM
116 struct sigaction sa;
117 sa.sa_handler = HandleSIGTERM;
118 sigemptyset(&sa.sa_mask);
119 sa.sa_flags = 0;
120 sigaction(SIGTERM, &sa, NULL);
121 sigaction(SIGINT, &sa, NULL);
122 sigaction(SIGHUP, &sa, NULL);
123
124 //
125 // Parameters
126 //
127 ParseParameters(argc, argv);
128
129 if (mapArgs.count("-datadir"))
130 {
131 if (filesystem::is_directory(filesystem::system_complete(mapArgs["-datadir"])))
132 {
133 filesystem::path pathDataDir = filesystem::system_complete(mapArgs["-datadir"]);
134 strlcpy(pszSetDataDir, pathDataDir.string().c_str(), sizeof(pszSetDataDir));
135 }
136 else
137 {
138 fprintf(stderr, "Error: Specified directory does not exist\n");
139 Shutdown(NULL);
140 }
141 }
142
143
144 ReadConfigFile(mapArgs, mapMultiArgs); // Must be done after processing datadir
145
146 if (mapArgs.count("-?") || mapArgs.count("-help") || mapArgs.count("--help"))
147 {
148 string strUsage = string() +
149 _("Bitcoin version") + " " + FormatFullVersion() + "\n\n" +
150 _("Usage:") + "\t\t\t\t\t\t\t\t\t\t\n" +
151 " bitcoind [options] \t " + "\n" +
152 " bitcoind [options] <command> [params]\t " + _("Send command to -server or bitcoind\n") +
153 " bitcoind [options] help \t\t " + _("List commands\n") +
154 " bitcoind [options] help <command> \t\t " + _("Get help for a command\n") +
155 _("Options:\n") +
156 " -conf=<file> \t\t " + _("Specify configuration file (default: bitcoin.conf)\n") +
157 " -pid=<file> \t\t " + _("Specify pid file (default: bitcoind.pid)\n") +
158 " -gen \t\t " + _("Generate coins\n") +
159 " -gen=0 \t\t " + _("Don't generate coins\n") +
160 " -min \t\t " + _("Start minimized\n") +
161 " -datadir=<dir> \t\t " + _("Specify data directory\n") +
162 " -timeout=<n> \t " + _("Specify connection timeout (in milliseconds)\n") +
163 " -proxy=<ip:port> \t " + _("Connect through socks4 proxy\n") +
164 " -port=<port> \t\t " + _("Listen for connections on <port> (default: 8333)\n") +
165 " -maxconnections=<n>\t " + _("Maintain at most <n> connections to peers (default: 125)\n") +
166 " -myip=<ip> \t " + _("Set this node's external IP address.\n") +
167 " -addnode=<ip> \t " + _("Add a node to connect to\n") +
168 " -connect=<ip> \t\t " + _("Connect only to the specified node\n") +
169 " -nolisten \t " + _("Don't accept connections from outside\n") +
170 " -banscore=<n> \t " + _("Threshold for disconnecting misbehaving peers (default: 100)\n") +
171 " -bantime=<n> \t " + _("Number of seconds to keep misbehaving peers from reconnecting (default: 86400)\n") +
172 " -permissive Don't ban peers for sending unrecognized message types.\n" +
173 " -maxreceivebuffer=<n>\t " + _("Maximum per-connection receive buffer, <n>*1000 bytes (default: 10000)\n") +
174 " -maxsendbuffer=<n>\t " + _("Maximum per-connection send buffer, <n>*1000 bytes (default: 10000)\n") +
175 " -paytxfee=<amt> Fee to add to transactions you send, in BTC per binary kB\n" +
176 " -minrelaytxfee=<amt> Minimum fee for accepting transactions into pool, in BTC per binary kB\n" +
177 " -daemon \t\t " + _("Run in the background as a daemon and accept commands\n") +
178 " -debug \t\t " + _("Output extra debugging information\n") +
179 " -verifyall Forbid the skipping of ECDSA signature verification between checkpoints\n" +
180 " -setverstring Set a custom version string\n" +
181 " -setvernum Set a custom version number\n" +
182 " -highs Normalize ECDSA S-values to 'high' when signing\n" +
183 " -lows Normalize ECDSA S-values to 'low' when signing (may be necessary as some implementations refuse to relay transactions with high-S signatures)\n" +
184 " -logtimestamps \t " + _("Prepend debug output with timestamp\n") +
185 " -printtoconsole \t " + _("Send trace/debug info to console instead of debug.log file\n") +
186 " -rpcuser=<user> \t " + _("Username for JSON-RPC connections\n") +
187 " -rpcpassword=<pw>\t " + _("Password for JSON-RPC connections\n") +
188 " -rpcport=<port> \t\t " + _("Listen for JSON-RPC connections on <port> (default: 8332)\n") +
189 " -rpcallowip=<ip> \t\t " + _("Allow JSON-RPC connections from specified IP address\n") +
190 " -rpcconnect=<ip> \t " + _("Send commands to node running on <ip> (default: 127.0.0.1)\n") +
191 " -keypool=<n> \t " + _("Set key pool size to <n> (default: 100)\n") +
192 " -rescan Rescan the block chain for missing wallet transactions\n" +
193 " -disablesafemode Don't lock certain commands when hazards are detected such as DB corruption or network fork\n" +
194 " -checkblocks=<n> Check the last <n> blocks in current chain on disk for inconsistencies at startup; 0 to check entire current chain (default: 144)\n" +
195 " -? This help message\n";
196
197 // Remove tabs
198 strUsage.erase(std::remove(strUsage.begin(), strUsage.end(), '\t'), strUsage.end());
199 fprintf(stderr, "%s", strUsage.c_str());
200 return false;
201 }
202
203 fDebug = GetBoolArg("-debug");
204 fDaemon = GetBoolArg("-daemon");
205 fVerifyAll = GetBoolArg("-verifyall");
206 fHighS = GetBoolArg("-highs");
207 fLowS = GetBoolArg("-lows");
208 fTestSafeMode = GetBoolArg("-testsafemode"); /* undocumented */
209 fDisableSafeMode = GetBoolArg("-disablesafemode");
210 fPermissive = GetBoolArg("-permissive");
211
212 if (fHighS && fLowS)
213 {
214 printf("Error: '-highs' and '-lows' can not be set at the same time.\n");
215 return false;
216 }
217
218 if (mapArgs.count("-setverstring"))
219 {
220 CLIENT_NAME = mapArgs["-setverstring"];
221 }
222
223 if (mapArgs.count("-setvernum"))
224 {
225 VERSION = atoi(mapArgs["-setvernum"]);
226 }
227
228 if (fDaemon)
229 fServer = true;
230 else
231 fServer = GetBoolArg("-server");
232
233 /* force fServer when running without GUI */
234 fServer = true;
235 fPrintToConsole = GetBoolArg("-printtoconsole");
236 fPrintToDebugger = GetBoolArg("-printtodebugger");
237 fLogTimestamps = GetBoolArg("-logtimestamps");
238
239 if (mapArgs.count("-minrelaytxfee"))
240 {
241 int64 nMinFee = 0;
242 if (!ParseMoney(mapArgs["-minrelaytxfee"], nMinFee))
243 {
244 fprintf(stderr, "Invalid amount for -minrelaytxfee=<amount>\n");
245 return false;
246 }
247 SetMinRelayTxFee(nMinFee);
248 }
249
250 if (mapArgs.count("-checkblocks"))
251 {
252 int64 tmp = atoi64(mapArgs["-checkblocks"]);
253 if (tmp < 0 || tmp >= INT_MAX)
254 {
255 fprintf(stderr, "-checkblocks=<n> value out of range\n");
256 return false;
257 }
258 nCheckBlocks = tmp;
259 }
260
261 for (int i = 1; i < argc; i++)
262 if (!IsSwitchChar(argv[i][0]))
263 fCommandLine = true;
264
265 if (fCommandLine)
266 {
267 int ret = CommandLineRPC(argc, argv);
268 exit(ret);
269 }
270
271 if (fDaemon)
272 {
273 // Daemonize
274 pid_t pid = fork();
275 if (pid < 0)
276 {
277 fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno);
278 return false;
279 }
280 if (pid > 0)
281 {
282 CreatePidFile(GetPidFile(), pid);
283 return true;
284 }
285
286 pid_t sid = setsid();
287 if (sid < 0)
288 fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno);
289 }
290
291 if (!fDebug && !pszSetDataDir[0])
292 ShrinkDebugFile();
293 printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
294 printf("Bitcoin version %s\n", FormatFullVersion().c_str());
295 printf("Default data directory %s\n", GetDefaultDataDir().c_str());
296
297 if (GetBoolArg("-loadblockindextest"))
298 {
299 CTxDB txdb("r");
300 txdb.LoadBlockIndex();
301 PrintBlockTree();
302 return false;
303 }
304
305 // Make sure only a single bitcoin process is using the data directory.
306 string strLockFile = GetDataDir() + "/.lock";
307 FILE* file = fopen(strLockFile.c_str(), "a"); // empty lock file; created if it doesn't exist.
308 if (file) fclose(file);
309 static boost::interprocess::file_lock lock(strLockFile.c_str());
310 if (!lock.try_lock())
311 {
312 wxMessageBox(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin is probably already running."), GetDataDir().c_str()), "Bitcoin");
313 return false;
314 }
315
316 string strErrors;
317
318 //
319 // Load data files
320 //
321 if (fDaemon)
322 fprintf(stdout, "bitcoin server starting\n");
323 strErrors = "";
324 int64 nStart;
325
326 InitMessage(_("Loading addresses..."));
327 printf("Loading addresses...\n");
328 nStart = GetTimeMillis();
329 if (!LoadAddresses())
330 strErrors += _("Error loading addr.dat \n");
331 printf(" addresses %15"PRI64d"ms\n", GetTimeMillis() - nStart);
332
333 printf("Loading block index...\n");
334 nStart = GetTimeMillis();
335 if (!LoadBlockIndex())
336 {
337 fprintf(stderr, "Error loading block index\n");
338 return false; // We'd better not proceed to touching the wallet if the block index is bad.
339 }
340 printf(" block index %15"PRI64d"ms\n", GetTimeMillis() - nStart);
341
342 InitMessage(_("Loading wallet..."));
343 printf("Loading wallet...\n");
344 nStart = GetTimeMillis();
345 bool fFirstRun;
346 pwalletMain = new CWallet("wallet.dat");
347 int nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun);
348 if (nLoadWalletRet != DB_LOAD_OK)
349 {
350 if (nLoadWalletRet == DB_CORRUPT)
351 strErrors += _("Error loading wallet.dat: Wallet corrupted \n");
352 else if (nLoadWalletRet == DB_TOO_NEW)
353 strErrors += _("Error loading wallet.dat: Wallet requires newer version of Bitcoin \n");
354 else if (nLoadWalletRet == DB_NEED_REWRITE)
355 {
356 strErrors += _("Wallet needed to be rewritten: restart Bitcoin to complete \n");
357 wxMessageBox(strErrors, "Bitcoin", wxOK | wxICON_ERROR);
358 return false;
359 }
360 else
361 strErrors += _("Error loading wallet.dat \n");
362 }
363 printf(" wallet %15"PRI64d"ms\n", GetTimeMillis() - nStart);
364
365 RegisterWallet(pwalletMain);
366
367 CBlockIndex *pindexRescan = pindexBest;
368 if (GetBoolArg("-rescan"))
369 pindexRescan = pindexGenesisBlock;
370 else
371 {
372 CWalletDB walletdb("wallet.dat");
373 CBlockLocator locator;
374 if (walletdb.ReadBestBlock(locator))
375 pindexRescan = locator.GetBlockIndex();
376 }
377 if (pindexBest != pindexRescan)
378 {
379 InitMessage(_("Rescanning..."));
380 printf("Rescanning last %i blocks (from block %i)...\n", pindexBest->nHeight - pindexRescan->nHeight, pindexRescan->nHeight);
381 nStart = GetTimeMillis();
382 pwalletMain->ScanForWalletTransactions(pindexRescan, true);
383 printf(" rescan %15"PRI64d"ms\n", GetTimeMillis() - nStart);
384 }
385
386 InitMessage(_("Done loading"));
387 printf("Done loading\n");
388
389 //// debug print
390 printf("mapBlockIndex.size() = %d\n", mapBlockIndex.size());
391 printf("nBestHeight = %d\n", nBestHeight);
392 printf("setKeyPool.size() = %d\n", pwalletMain->setKeyPool.size());
393 printf("mapWallet.size() = %d\n", pwalletMain->mapWallet.size());
394 printf("mapAddressBook.size() = %d\n", pwalletMain->mapAddressBook.size());
395
396 if (!strErrors.empty())
397 {
398 wxMessageBox(strErrors, "Bitcoin", wxOK | wxICON_ERROR);
399 return false;
400 }
401
402 // Add wallet transactions that aren't already in a block to mapTransactions
403 pwalletMain->ReacceptWalletTransactions();
404
405 // Note: Bitcoin-QT stores several settings in the wallet, so we want
406 // to load the wallet BEFORE parsing command-line arguments, so
407 // the command-line/bitcoin.conf settings override GUI setting.
408
409 //
410 // Parameters
411 //
412 if (GetBoolArg("-printblockindex") || GetBoolArg("-printblocktree"))
413 {
414 PrintBlockTree();
415 return false;
416 }
417
418 if (mapArgs.count("-timeout"))
419 {
420 int nNewTimeout = GetArg("-timeout", 5000);
421 if (nNewTimeout > 0 && nNewTimeout < 600000)
422 nConnectTimeout = nNewTimeout;
423 }
424
425 if (mapArgs.count("-printblock"))
426 {
427 string strMatch = mapArgs["-printblock"];
428 int nFound = 0;
429 for (map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi)
430 {
431 uint256 hash = (*mi).first;
432 if (strncmp(hash.ToString().c_str(), strMatch.c_str(), strMatch.size()) == 0)
433 {
434 CBlockIndex* pindex = (*mi).second;
435 CBlock block;
436 block.ReadFromDisk(pindex);
437 block.BuildMerkleTree();
438 block.print();
439 printf("\n");
440 nFound++;
441 }
442 }
443 if (nFound == 0)
444 printf("No blocks matching %s were found\n", strMatch.c_str());
445 return false;
446 }
447
448 fGenerateBitcoins = GetBoolArg("-gen");
449
450 if (mapArgs.count("-proxy"))
451 {
452 fUseProxy = true;
453 addrProxy = CAddress(mapArgs["-proxy"]);
454 if (!addrProxy.IsValid())
455 {
456 wxMessageBox(_("Invalid -proxy address"), "Bitcoin");
457 return false;
458 }
459 }
460
461 bool fTor = (fUseProxy && addrProxy.port == htons(9050));
462 if (fTor)
463 {
464 // Use SoftSetArg here so user can override any of these if they wish.
465 // Note: the GetBoolArg() calls for all of these must happen later.
466 SoftSetArg("-nolisten", true);
467 }
468
469 fNoListen = GetBoolArg("-nolisten");
470
471 // Command-line args override in-wallet settings:
472
473 if (!fNoListen)
474 {
475 if (!BindListenPort(strErrors))
476 {
477 wxMessageBox(strErrors, "Bitcoin");
478 return false;
479 }
480 }
481
482 if (mapArgs.count("-addnode"))
483 {
484 BOOST_FOREACH(string strAddr, mapMultiArgs["-addnode"])
485 {
486 CAddress addr(strAddr);
487 addr.nTime = 0; // so it won't relay unless successfully connected
488 if (addr.IsValid())
489 AddAddress(addr);
490 }
491 }
492
493 if (mapArgs.count("-paytxfee"))
494 {
495 int64 nTransactionFee = 0;
496 if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee))
497 {
498 fprintf(stderr, "Invalid amount for -paytxfee=<amount>\n");
499 return false;
500 }
501 if (nTransactionFee > 0.25 * COIN)
502 fprintf(stderr, "Warning: -paytxfee is set very high. This is the fee you will pay per kB if you send a transaction.\n");
503 SetTransactionFee(nTransactionFee);
504 }
505
506 //
507 // Start the node
508 //
509 if (!CheckDiskSpace())
510 return false;
511
512 RandAddSeedPerfmon();
513
514 if (!CreateThread(StartNode, NULL))
515 wxMessageBox(_("Error: CreateThread(StartNode) failed"), "Bitcoin");
516
517 if (fServer)
518 CreateThread(ThreadRPCServer, NULL);
519
520 while (1)
521 Sleep(5000);
522
523 return true;
524}