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;
    
    // get default config
    read_default_config(&conf);
    
    // parse arguments
    if (parse_args(argc, argv, &conf, &set_as_default) == 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);
        
    exit(EXIT_SUCCESS);
}