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

#include <ecp/core.h>

#include <util.h>

#include "init.h"

ECPContext ctx;
ECPSocket sock;
ECPDHKey key_perma;
ECPConnHandler handler;

#define CTYPE_TEST  0
#define MTYPE_MSG   0

static ssize_t handle_msg(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, size_t msg_size, ECP2Buffer *b) {
    char *_msg = "VAISTINU JE CAR!";
    ssize_t rv;

    printf("MSG S:%s size:%ld\n", msg, msg_size);
    rv = ecp_msg_send(conn, MTYPE_MSG, (unsigned char *)_msg, strlen(_msg)+1);

    return msg_size;
}

static void usage(char *arg) {
    fprintf(stderr, "Usage: %s <address> <node.priv>\n", arg);
    exit(1);
}

int main(int argc, char *argv[]) {
    ecp_tr_addr_t addr;
    ECPDHKey key_perma;
    int rv;

    /* server */
    if (argc != 3) usage(argv[0]);

    rv = ecp_init(&ctx);
    LOG("ecp_init", rv);

    ecp_conn_handler_init(&handler, NULL, NULL, handle_msg, NULL);
    ecp_ctx_set_handler(&ctx, CTYPE_TEST, &handler);

    rv = ecp_util_load_key(argv[2], &key_perma.public, &key_perma.private);
    LOG("ecp_util_load_key", rv);
    key_perma.valid = 1;

    rv = ecp_sock_create(&sock, &ctx, &key_perma);
    LOG("ecp_sock_create", rv);

    rv = ecp_addr_init(&addr, argv[1]);
    LOG("ecp_addr_init", rv);

    rv = ecp_sock_open(&sock, &addr);
    LOG("ecp_sock_open", rv);

    rv = ecp_start_receiver(&sock);
    LOG("ecp_start_receiver", rv);

    while (1) sleep(1);
}