rocketlogger.c

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#include <stdio.h>
#include <stdlib.h>

#include "rl_lib.h"
#include "rl_util.h"

int main(int argc, char* argv[]) {

    struct rl_conf conf;
    int set_as_default;
    char* file_comment;

    // get default config
    read_default_config(&conf);

    // parse arguments
    if (parse_args(argc, argv, &conf, &set_as_default, &file_comment) ==
        FAILURE) {
        print_usage();
        exit(EXIT_FAILURE);
    }

    // store config as default
    if (set_as_default == 1) {
        write_default_config(&conf);
    }

    switch (conf.mode) {
    case LIMIT:
        if (rl_get_status() == RL_RUNNING) {
            rl_log(ERROR,
                   "RocketLogger already running\n Run:  rocketlogger stop\n");
            exit(EXIT_FAILURE);
        }
        print_config(&conf);
        printf("Start sampling ...\n");
        break;

    case CONTINUOUS:
        if (rl_get_status() == RL_RUNNING) {
            rl_log(ERROR,
                   "RocketLogger already running\n Run:  rocketlogger stop\n");
            exit(EXIT_FAILURE);
        }
        print_config(&conf);
        printf("Data acquisition running in background ...\n  Stop with:   "
               "rocketlogger stop\n\n");
        break;

    case METER:
        if (rl_get_status() == RL_RUNNING) {
            rl_log(ERROR,
                   "RocketLogger already running\n Run:  rocketlogger stop\n");
            exit(EXIT_FAILURE);
        }
        break;

    case STATUS: {
        struct rl_status status;
        rl_read_status(&status);
        rl_print_status(&status);
        return status.state;
    }

    case STOPPED:
        if (rl_get_status() != RL_RUNNING) {
            rl_log(ERROR, "RocketLogger not running");
            exit(EXIT_FAILURE);
        }
        printf("Stopping RocketLogger ...\n");
        rl_stop();
        exit(EXIT_SUCCESS);

    case SET_DEFAULT:
        write_default_config(&conf);
        if (rl_get_status() == RL_RUNNING) {
            printf("\n");
            rl_log(WARNING, "change will not affect current measurement");
        }
        print_config(&conf);
        exit(EXIT_SUCCESS);

    case PRINT_DEFAULT:
        print_config(&conf);
        exit(EXIT_SUCCESS);

    case PRINT_VERSION:
        rl_print_version();
        exit(EXIT_SUCCESS);

    case HELP:
        print_usage();
        exit(EXIT_SUCCESS);

    default:
        print_usage();
        exit(EXIT_FAILURE);
    }

    // start the sampling
    rl_start(&conf, file_comment);

    exit(EXIT_SUCCESS);
}