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235 lines
8.5 KiB
235 lines
8.5 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2013 The Bitcoin developers |
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// Distributed under the MIT/X11 software license, see the accompanying |
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// file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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#include "util.h" |
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#include "init.h" |
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#include "rpcclient.h" |
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#include "rpcprotocol.h" |
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#include "chainparamsbase.h" |
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#include <boost/filesystem/operations.hpp> |
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#define _(x) std::string(x) /* Keep the _() around in case gettext or such will be used later to translate non-UI */ |
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using namespace std; |
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using namespace boost; |
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using namespace boost::asio; |
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using namespace json_spirit; |
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std::string HelpMessageCli() |
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{ |
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string strUsage; |
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strUsage += _("Options:") + "\n"; |
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strUsage += " -? " + _("This help message") + "\n"; |
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strUsage += " -conf=<file> " + _("Specify configuration file (default: bitcoin.conf)") + "\n"; |
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strUsage += " -datadir=<dir> " + _("Specify data directory") + "\n"; |
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strUsage += " -testnet " + _("Use the test network") + "\n"; |
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strUsage += " -regtest " + _("Enter regression test mode, which uses a special chain in which blocks can be " |
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"solved instantly. This is intended for regression testing tools and app development.") + "\n"; |
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strUsage += " -rpcconnect=<ip> " + _("Send commands to node running on <ip> (default: 127.0.0.1)") + "\n"; |
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strUsage += " -rpcport=<port> " + _("Connect to JSON-RPC on <port> (default: 8332 or testnet: 18332)") + "\n"; |
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strUsage += " -rpcwait " + _("Wait for RPC server to start") + "\n"; |
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strUsage += " -rpcuser=<user> " + _("Username for JSON-RPC connections") + "\n"; |
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strUsage += " -rpcpassword=<pw> " + _("Password for JSON-RPC connections") + "\n"; |
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strUsage += "\n" + _("SSL options: (see the Bitcoin Wiki for SSL setup instructions)") + "\n"; |
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strUsage += " -rpcssl " + _("Use OpenSSL (https) for JSON-RPC connections") + "\n"; |
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return strUsage; |
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} |
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////////////////////////////////////////////////////////////////////////////// |
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// |
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// Start |
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// |
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static bool AppInitRPC(int argc, char* argv[]) |
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{ |
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// |
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// Parameters |
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// |
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ParseParameters(argc, argv); |
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if (!boost::filesystem::is_directory(GetDataDir(false))) { |
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fprintf(stderr, "Error: Specified data directory \"%s\" does not exist.\n", mapArgs["-datadir"].c_str()); |
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return false; |
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} |
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try { |
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ReadConfigFile(mapArgs, mapMultiArgs); |
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} catch(std::exception &e) { |
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fprintf(stderr,"Error reading configuration file: %s\n", e.what()); |
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return false; |
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} |
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// Check for -testnet or -regtest parameter (BaseParams() calls are only valid after this clause) |
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if (!SelectBaseParamsFromCommandLine()) { |
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fprintf(stderr, "Error: Invalid combination of -regtest and -testnet.\n"); |
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return false; |
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} |
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if (argc<2 || mapArgs.count("-?") || mapArgs.count("-help") || mapArgs.count("-version")) { |
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std::string strUsage = _("Bitcoin Core RPC client version") + " " + FormatFullVersion() + "\n"; |
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if (!mapArgs.count("-version")) { |
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strUsage += "\n" + _("Usage:") + "\n" + |
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" bitcoin-cli [options] <command> [params] " + _("Send command to Bitcoin Core") + "\n" + |
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" bitcoin-cli [options] help " + _("List commands") + "\n" + |
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" bitcoin-cli [options] help <command> " + _("Get help for a command") + "\n"; |
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strUsage += "\n" + HelpMessageCli(); |
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} |
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fprintf(stdout, "%s", strUsage.c_str()); |
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return false; |
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} |
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return true; |
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} |
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Object CallRPC(const string& strMethod, const Array& params) |
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{ |
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if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "") |
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throw runtime_error(strprintf( |
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_("You must set rpcpassword=<password> in the configuration file:\n%s\n" |
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"If the file does not exist, create it with owner-readable-only file permissions."), |
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GetConfigFile().string().c_str())); |
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// Connect to localhost |
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bool fUseSSL = GetBoolArg("-rpcssl", false); |
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asio::io_service io_service; |
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ssl::context context(io_service, ssl::context::sslv23); |
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context.set_options(ssl::context::no_sslv2); |
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asio::ssl::stream<asio::ip::tcp::socket> sslStream(io_service, context); |
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SSLIOStreamDevice<asio::ip::tcp> d(sslStream, fUseSSL); |
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iostreams::stream< SSLIOStreamDevice<asio::ip::tcp> > stream(d); |
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bool fWait = GetBoolArg("-rpcwait", false); // -rpcwait means try until server has started |
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do { |
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bool fConnected = d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", itostr(BaseParams().RPCPort()))); |
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if (fConnected) break; |
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if (fWait) |
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MilliSleep(1000); |
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else |
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throw runtime_error("couldn't connect to server"); |
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} while (fWait); |
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// HTTP basic authentication |
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string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]); |
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map<string, string> mapRequestHeaders; |
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mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64; |
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// Send request |
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string strRequest = JSONRPCRequest(strMethod, params, 1); |
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string strPost = HTTPPost(strRequest, mapRequestHeaders); |
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stream << strPost << std::flush; |
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// Receive HTTP reply status |
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int nProto = 0; |
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int nStatus = ReadHTTPStatus(stream, nProto); |
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// Receive HTTP reply message headers and body |
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map<string, string> mapHeaders; |
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string strReply; |
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ReadHTTPMessage(stream, mapHeaders, strReply, nProto); |
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if (nStatus == HTTP_UNAUTHORIZED) |
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throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)"); |
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else if (nStatus >= 400 && nStatus != HTTP_BAD_REQUEST && nStatus != HTTP_NOT_FOUND && nStatus != HTTP_INTERNAL_SERVER_ERROR) |
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throw runtime_error(strprintf("server returned HTTP error %d", nStatus)); |
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else if (strReply.empty()) |
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throw runtime_error("no response from server"); |
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// Parse reply |
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Value valReply; |
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if (!read_string(strReply, valReply)) |
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throw runtime_error("couldn't parse reply from server"); |
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const Object& reply = valReply.get_obj(); |
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if (reply.empty()) |
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throw runtime_error("expected reply to have result, error and id properties"); |
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return reply; |
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} |
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int CommandLineRPC(int argc, char *argv[]) |
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{ |
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string strPrint; |
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int nRet = 0; |
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try { |
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// Skip switches |
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while (argc > 1 && IsSwitchChar(argv[1][0])) { |
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argc--; |
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argv++; |
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} |
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// Method |
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if (argc < 2) |
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throw runtime_error("too few parameters"); |
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string strMethod = argv[1]; |
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// Parameters default to strings |
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std::vector<std::string> strParams(&argv[2], &argv[argc]); |
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Array params = RPCConvertValues(strMethod, strParams); |
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// Execute |
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Object reply = CallRPC(strMethod, params); |
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// Parse reply |
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const Value& result = find_value(reply, "result"); |
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const Value& error = find_value(reply, "error"); |
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if (error.type() != null_type) { |
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// Error |
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strPrint = "error: " + write_string(error, false); |
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int code = find_value(error.get_obj(), "code").get_int(); |
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nRet = abs(code); |
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} else { |
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// Result |
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if (result.type() == null_type) |
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strPrint = ""; |
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else if (result.type() == str_type) |
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strPrint = result.get_str(); |
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else |
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strPrint = write_string(result, true); |
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} |
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} |
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catch (boost::thread_interrupted) { |
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throw; |
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} |
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catch (std::exception& e) { |
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strPrint = string("error: ") + e.what(); |
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nRet = EXIT_FAILURE; |
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} |
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catch (...) { |
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PrintExceptionContinue(NULL, "CommandLineRPC()"); |
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throw; |
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} |
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if (strPrint != "") { |
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fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str()); |
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} |
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return nRet; |
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} |
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int main(int argc, char* argv[]) |
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{ |
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SetupEnvironment(); |
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try { |
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if(!AppInitRPC(argc, argv)) |
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return EXIT_FAILURE; |
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} |
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catch (std::exception& e) { |
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PrintExceptionContinue(&e, "AppInitRPC()"); |
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return EXIT_FAILURE; |
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} catch (...) { |
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PrintExceptionContinue(NULL, "AppInitRPC()"); |
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return EXIT_FAILURE; |
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} |
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int ret = EXIT_FAILURE; |
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try { |
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ret = CommandLineRPC(argc, argv); |
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} |
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catch (std::exception& e) { |
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PrintExceptionContinue(&e, "CommandLineRPC()"); |
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} catch (...) { |
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PrintExceptionContinue(NULL, "CommandLineRPC()"); |
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} |
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return ret; |
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}
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