#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
int main(void)
{
int i=0;
int rr=0;
	int device_id;
	unsigned long date_time;
	double longitude;
	double latitude;
	long speed;
	int heading;
	int altitude;
	int satellite;
	int event_id;
	char string[] = "1000000001,20121002121808,13.315520,52.226960,0,110,36,10,2";
	char delimiter[] = ",";
	char *ptr;
    int sockfd;
    struct sockaddr_in adresse;
    adresse.sin_family = AF_INET;
    adresse.sin_addr.s_addr = htonl(INADDR_ANY);
    adresse.sin_port = htons(31271);

    sockfd = socket(AF_INET, SOCK_STREAM, 0);    /* erstelle stream socket */
    if(sockfd == -1) {
        perror("Fehler bei socket()");
        exit(EXIT_FAILURE);
    }
    /*binde socket an adresse */
    if( bind(sockfd, (struct sockaddr*) &adresse, sizeof(adresse)) == -1) {
        perror("bind fehlgeschlagen");
        exit(EXIT_FAILURE);
    }
    /* Bereite auf Verbindungsanforderung vor */
    if( listen(sockfd, 4) == -1 ) {
        perror("Fehler bei listen()");
        exit(EXIT_FAILURE);
    }
    while(1) {
        int connection = accept(sockfd, NULL, NULL); /*gibt neuen descriptor zurück ,
                                                       der mit dem client verbunden ist*/
        if(connection == -1) {
            perror("Verbindungs Fehler");
        } else {
            char puffer[100];
            rr = read(connection, puffer, sizeof puffer);
            while(rr > 0) {
		if(rr >=29) {
	ptr = strtok(string, delimiter);

	while(ptr!=NULL) {
		switch(i) {
			case 0: device_id = atoi(ptr); break;
			case 1: date_time = atol(ptr); break;
			case 2: longitude = atof(ptr); break;
			case 3: latitude = atof(ptr); break;
			case 4: speed = atol(ptr); break;
			case 5: heading = atoi(ptr); break;
			case 6: altitude = atoi(ptr); break;
			case 7: satellite = atoi(ptr); break;
			case 8: event_id = atoi(ptr); break;
			default: printf("lol"); exit(1);
	}
		if(i==8) i=0;
		ptr = strtok(NULL,delimiter);
		++i;
	}
	rr=0;
	printf("Device ID: %d\nDate Time: %ld\nLongitude: %lf\nLatitude: %lf\nSpeed: %ld\nHeading: %d\nAltitude: %d\nSatellite: %d\nEvent ID: %d\n",device_id,date_time,longitude,latitude,speed,heading,altitude,satellite,event_id);
                if(write(STDOUT_FILENO, puffer, rr) == -1) {
                    perror("write() in stdout");
                    break;
                }
                rr = read(connection, puffer, sizeof puffer);
            }
            if(rr == -1) {
                perror("read()");
            }
            (void)write(STDOUT_FILENO, "\n", 1);
            close(connection);
        }

    }

}}