Function CommandLineRPC

src/bitcoin-cli.cpp:244–317

}

int CommandLineRPC(int argc, char *argv[])
{
    string strPrint;
    int nRet = 0;
    try {
        // Skip switches
        while (argc > 1 && IsSwitchChar(argv[1][0])) {
            argc--;
            argv++;
        }

        // Method
        if (argc < 2)
            throw runtime_error("too few parameters");
        string strMethod = argv[1];

        // Parameters default to strings
        std::vector<std::string> strParams(&argv[2], &argv[argc]);
        UniValue params = RPCConvertValues(strMethod, strParams);

        // Execute and handle connection failures with -rpcwait
        const bool fWait = GetBoolArg("-rpcwait", false);
        do {
            try {
                const UniValue reply = CallRPC(strMethod, params);

                // Parse reply
                const UniValue& result = find_value(reply, "result");
                const UniValue& error  = find_value(reply, "error");

                if (!error.isNull()) {
                    // Error
                    int code = error["code"].get_int();
                    if (fWait && code == RPC_IN_WARMUP)
                        throw CConnectionFailed("server in warmup");
                    strPrint = "error: " + error.write();
                    nRet = abs(code);
                } else {
                    // Result
                    if (result.isNull())
                        strPrint = "";
                    else if (result.isStr())
                        strPrint = result.get_str();
                    else
                        strPrint = result.write(2);
                }
                // Connection succeeded, no need to retry.
                break;
            }
            catch (const CConnectionFailed&) {
                if (fWait)
                    MilliSleep(1000);
                else
                    throw;
            }
        } while (fWait);
    }
    catch (const boost::thread_interrupted&) {