oscdump.c

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/*
 * oscdump - Receive and dump OpenSound Control messages.
 *
 * Copyright (C) 2008 Kentaro Fukuchi <fukuchi@megaui.net>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <signal.h>
#include <config.h>
#include <lo/lo.h>

void usage(void)
{
    printf("oscdump version %s\n"
           "Copyright (C) 2008 Kentaro Fukuchi\n\n"
           "Usage: oscdump port\n"
           "Receive OpenSound Control messages via UDP and dump to standard output.\n\n"
           "Description\n"
           "port    : specifies the listening port number.\n\n",
           VERSION);
}

void errorHandler(int num, const char *msg, const char *where)
{
    printf("liblo server error %d in path %s: %s\n", num, where, msg);
}

int messageHandler(const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data)
{
    int i;

    printf("%s %s", path, types);

    for(i=0; i<argc; i++) {
        printf(" ");
        lo_arg_pp((lo_type)types[i], argv[i]);
    }
    printf("\n");

    return 0;
}

int main(int argc, char **argv)
{
    lo_server server;

    if(argc < 2) {
        usage();
        exit(1);
    }

    server = lo_server_new(argv[1], errorHandler);
    if(server == NULL) {
        printf("Could not start a server with port %s\n", argv[1]);
        exit(1);
    }

    lo_server_add_method(server, NULL, NULL, messageHandler, NULL);


    for(;;) {
        lo_server_recv(server);
    }

    return 0;
}