b7ping

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

#define NUM_COPS 100

int do_ping(const char *url, double *time)
{

    double acum = 0.0, cur_time = 0.0;
    int i, cops_fet = 0;
    for (i = 0; i < NUM_COPS; i++) {

        pingobj_t *ping;
        pingobj_iter_t *iter;

        if ((ping = ping_construct()) == NULL) {
            fprintf(stderr, "ping_construct failed\n");
            return -1;
        }
        printf("ping_construct() success\n");

        if (ping_host_add(ping, url) < 0) {
            const char * errmsg = ping_get_error(ping);
            fprintf(stderr, "ping_host_add(%s) failed. %s\n", url, errmsg);
            return -1;
        }
        printf("ping_host_add() success\n");

        if (ping_send(ping) < 0) {
            fprintf(stderr, "ping_send failed\n");
            return -1;
        }
        printf("ping_send() success\n");

        for (iter = ping_iterator_get(ping); iter != NULL; iter =
                ping_iterator_next(iter)) {
            char hostname[100];
            double latency;
            size_t len;

            printf("ping_iterator_get() success\n");
            len = 100;
            ping_iterator_get_info(iter, PING_INFO_HOSTNAME, hostname, &len);
            len = sizeof(double);
            ping_iterator_get_info(iter, PING_INFO_LATENCY, &latency, &len);

            cur_time = latency;
            printf("hostname = %s, latency = %f\n", hostname, latency);
        }

        if (cur_time > 0.0) {
            cops_fet++;
            acum += cur_time;
        }
        ping_destroy(ping);
        usleep(1000);
    }
    *time = acum/cops_fet;

    printf("exiting...\n");
    return 0;
}

int main(int argc, char *argv[])
{
    if (argc < 3) {
        printf("Usage:\n\t b7ping serverlist outfile\n");
        return -1;
    }

    FILE *fp_in, *fp_out;
    char *line = NULL;
    size_t len = 0;
    ssize_t read;

    fp_in = fopen(argv[1], "r");
    if (fp_in == NULL) {
        printf("Error opening %s\n", argv[1]);
        return-1;
    }

    fp_out = fopen(argv[2], "w");
    if (fp_in == NULL) {
        printf("Error opening %s\n", argv[2]);
        return-1;
    }

    double time;

    while ((read = getline(&line, &len, fp_in)) != -1) {
        line[strlen(line)-1] = '\0';
        do_ping(line, &time);
        fprintf(fp_out, "%s %f\n", line, time);
        usleep(25*1000);
    }

    fclose(fp_in);
    fclose(fp_out);
    if (line) free(line);
    return 0;
}