diff options
Diffstat (limited to 'src/bitcoin-cli.cpp')
| -rw-r--r-- | src/bitcoin-cli.cpp | 60 |
1 files changed, 34 insertions, 26 deletions
diff --git a/src/bitcoin-cli.cpp b/src/bitcoin-cli.cpp index 2d66448d8..b27264081 100644 --- a/src/bitcoin-cli.cpp +++ b/src/bitcoin-cli.cpp @@ -24,14 +24,13 @@ #include <univalue.h> -using namespace std; - static const char DEFAULT_RPCCONNECT[] = "127.0.0.1"; static const int DEFAULT_HTTP_CLIENT_TIMEOUT=900; +static const int CONTINUE_EXECUTION=-1; std::string HelpMessageCli() { - string strUsage; + std::string strUsage; strUsage += HelpMessageGroup(_("Options:")); strUsage += HelpMessageOpt("-?", _("This help message")); strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), BITCOIN_CONF_FILENAME)); @@ -67,7 +66,11 @@ public: }; -static bool AppInitRPC(int argc, char* argv[]) +// +// This function returns either one of EXIT_ codes when it's expected to stop the process or +// CONTINUE_EXECUTION when it's expected to continue further. +// +static int AppInitRPC(int argc, char* argv[]) { // // Parameters @@ -85,31 +88,35 @@ static bool AppInitRPC(int argc, char* argv[]) } fprintf(stdout, "%s", strUsage.c_str()); - return false; + if (argc < 2) { + fprintf(stderr, "Error: too few parameters\n"); + return EXIT_FAILURE; + } + return EXIT_SUCCESS; } if (!boost::filesystem::is_directory(GetDataDir(false))) { fprintf(stderr, "Error: Specified data directory \"%s\" does not exist.\n", mapArgs["-datadir"].c_str()); - return false; + return EXIT_FAILURE; } try { ReadConfigFile(GetArg("-conf", BITCOIN_CONF_FILENAME), mapArgs, mapMultiArgs); } catch (const std::exception& e) { fprintf(stderr,"Error reading configuration file: %s\n", e.what()); - return false; + return EXIT_FAILURE; } // Check for -testnet or -regtest parameter (BaseParams() calls are only valid after this clause) try { SelectBaseParams(ChainNameFromCommandLine()); } catch (const std::exception& e) { fprintf(stderr, "Error: %s\n", e.what()); - return false; + return EXIT_FAILURE; } if (GetBoolArg("-rpcssl", false)) { fprintf(stderr, "Error: SSL mode for RPC (-rpcssl) is no longer supported.\n"); - return false; + return EXIT_FAILURE; } - return true; + return CONTINUE_EXECUTION; } @@ -178,7 +185,7 @@ static void http_error_cb(enum evhttp_request_error err, void *ctx) } #endif -UniValue CallRPC(const string& strMethod, const UniValue& params) +UniValue CallRPC(const std::string& strMethod, const UniValue& params) { std::string host = GetArg("-rpcconnect", DEFAULT_RPCCONNECT); int port = GetArg("-rpcport", BaseParams().RPCPort()); @@ -186,18 +193,18 @@ UniValue CallRPC(const string& strMethod, const UniValue& params) // Create event base struct event_base *base = event_base_new(); // TODO RAII if (!base) - throw runtime_error("cannot create event_base"); + throw std::runtime_error("cannot create event_base"); // Synchronously look up hostname struct evhttp_connection *evcon = evhttp_connection_base_new(base, NULL, host.c_str(), port); // TODO RAII if (evcon == NULL) - throw runtime_error("create connection failed"); + throw std::runtime_error("create connection failed"); evhttp_connection_set_timeout(evcon, GetArg("-rpcclienttimeout", DEFAULT_HTTP_CLIENT_TIMEOUT)); HTTPReply response; struct evhttp_request *req = evhttp_request_new(http_request_done, (void*)&response); // TODO RAII if (req == NULL) - throw runtime_error("create http request failed"); + throw std::runtime_error("create http request failed"); #if LIBEVENT_VERSION_NUMBER >= 0x02010300 evhttp_request_set_error_cb(req, http_error_cb); #endif @@ -207,7 +214,7 @@ UniValue CallRPC(const string& strMethod, const UniValue& params) if (mapArgs["-rpcpassword"] == "") { // Try fall back to cookie-based authentication if no password is provided if (!GetAuthCookie(&strRPCUserColonPass)) { - throw runtime_error(strprintf( + throw std::runtime_error(strprintf( _("Could not locate RPC credentials. No authentication cookie could be found, and no rpcpassword is set in the configuration file (%s)"), GetConfigFile(GetArg("-conf", BITCOIN_CONF_FILENAME)).string().c_str())); @@ -240,28 +247,28 @@ UniValue CallRPC(const string& strMethod, const UniValue& params) event_base_free(base); if (response.status == 0) - throw CConnectionFailed(strprintf("couldn't connect to server (%d %s)", response.error, http_errorstring(response.error))); + throw CConnectionFailed(strprintf("couldn't connect to server\n(make sure server is running and you are connecting to the correct RPC port: %d %s)", response.error, http_errorstring(response.error))); else if (response.status == HTTP_UNAUTHORIZED) - throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)"); + throw std::runtime_error("incorrect rpcuser or rpcpassword (authorization failed)"); else if (response.status >= 400 && response.status != HTTP_BAD_REQUEST && response.status != HTTP_NOT_FOUND && response.status != HTTP_INTERNAL_SERVER_ERROR) - throw runtime_error(strprintf("server returned HTTP error %d", response.status)); + throw std::runtime_error(strprintf("server returned HTTP error %d", response.status)); else if (response.body.empty()) - throw runtime_error("no response from server"); + throw std::runtime_error("no response from server"); // Parse reply UniValue valReply(UniValue::VSTR); if (!valReply.read(response.body)) - throw runtime_error("couldn't parse reply from server"); + throw std::runtime_error("couldn't parse reply from server"); const UniValue& reply = valReply.get_obj(); if (reply.empty()) - throw runtime_error("expected reply to have result, error and id properties"); + throw std::runtime_error("expected reply to have result, error and id properties"); return reply; } int CommandLineRPC(int argc, char *argv[]) { - string strPrint; + std::string strPrint; int nRet = 0; try { // Skip switches @@ -277,7 +284,7 @@ int CommandLineRPC(int argc, char *argv[]) args.push_back(line); } if (args.size() < 1) - throw runtime_error("too few parameters (need at least command)"); + throw std::runtime_error("too few parameters (need at least command)"); std::string strMethod = args[0]; UniValue params = RPCConvertValues(strMethod, std::vector<std::string>(args.begin()+1, args.end())); @@ -331,7 +338,7 @@ int CommandLineRPC(int argc, char *argv[]) throw; } catch (const std::exception& e) { - strPrint = string("error: ") + e.what(); + strPrint = std::string("error: ") + e.what(); nRet = EXIT_FAILURE; } catch (...) { @@ -354,8 +361,9 @@ int main(int argc, char* argv[]) } try { - if(!AppInitRPC(argc, argv)) - return EXIT_FAILURE; + int ret = AppInitRPC(argc, argv); + if (ret != CONTINUE_EXECUTION) + return ret; } catch (const std::exception& e) { PrintExceptionContinue(&e, "AppInitRPC()"); |