main.cpp

/*
    Copyright 2020 Tamas Bolner
    
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at
    
      http://www.apache.org/licenses/LICENSE-2.0
    
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/

#include "CommandLine.hpp"
#include "Client.hpp"


int main(int argc, char *argv[]) {
    try {
        /*
            Parse command line arguments
        */
        CommandLine::Parser cmd(argc, argv);

        cmd.Argument.String("host", 'h', "127.0.0.1", "host_name", "The host name or IP add|ress "
            "of the \033[1mMonetDB server\033[0m.");
        cmd.Argument.Int("port", 'p', 50000, "port", "The port of the \033[1mMonetDB server\033[0m. "
            "The de|fault value is 50000.");
        cmd.Argument.String("user", 'u', "monetdb", "user_name", "User name for the database login. "
            "The de|fault value is 'monetdb'.");
        cmd.Argument.String("password", 'P', "monetdb", "password", "User password for the database login. "
            "The de|fault value is 'monetdb'.");
        cmd.Operand("database", "The name of the data|base to connect to.");
        cmd.Option("unix-domain-socket", 'x', "Use a unix domain socket for con|nect|ing "
            "to the \033[1mMonetDB server\033[0m, instead of con|nect|ing through TCP/IP. "
            "If pro|vi|ded, then the host ar|gu|ment is ig|no|red. The port is still used "
            "for find|ing the socket file with the proper name in the /tmp folder.");
        cmd.Option("file-transfer", 't', "Enable the file trans|fer pro|to|col for the con|nec|tion.");
        cmd.Argument.String("auth-algo", 'a', "SHA1", "algo", "The hash al|go|rithm to be used "
            "for the 'salted hashing'. The \033[1mMonetDB server\033[0m has to support it. This is "
            "typi|cally a weaker hash al|go|rithm, which is used to|gether with the "
            "stron|ger 'pass|word hash' that is now SHA512. The cur|rent|ly sup|port|ed values are: "
            "SHA1, SHA256, SHA512, RIPEMD160, SHA224, SHA384. De|fault is SHA1.");
        cmd.Option("help", '?', "Display the usage instructions.");
        cmd.RestrictOperands();

        auto args = cmd.Parse();

        /*
            Help screen
        */
        if (args.IsOptionSet("help") || args.IsEmpty()) {
            std::cout << "\nMonet-Explorer\n\n";
            std::cout << cmd.WrapText(
                "This application helps you to ex|per|i|ment with the text-based \033[1mMAPI protocol\033[0m "
                "that is used by client ap|pli|ca|tions to com|mu|ni|cate with MonetDB.",
                2, 2, '|', false);
            std::cout << "Example:\n\n"
                << cmd.WrapText("\033[1m./monet-explorer\033[0m \033[1m-h\033[0m \033[4m127.0.0.1\033[0m "
                    "\033[1m-u\033[0m \033[4mmonetdb\033[0m \033[1m-p\033[0m \033[4m50000\033[0m \033[1m-P\033[0m "
                    "\033[4mmonetdb\033[0m \033[4mMyDatabase\033[0m\n\n",
                    1, 1, '|', false);
            
            std::cout << cmd.GenerateDoc('|', false);
            return 0;
        }

        /*
            Start the client
        */
        MonetExplorer::Client client(args);
        client.Start();
        
    } catch (const std::runtime_error &err) {
        std::cerr << "\n" << err.what() << "\n\n";
        return 1;
    }

    return 0;
}