Subversion Repositories funbase_ip_library

/**
 *
 * @file   02_inv_scan.c
 * @author Lasse Lehtonen
 *
 * @brief VOPD - inv_scan node.
 *
 */
 
 
#include "common.h"
 
#include <mcapi.h>
 
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <getopt.h>
 
const int LOCAL   = 2;
const int REMOTE  = 3;
const int TX_PORT = 4;
const int RX_PORT = 5;
const int IN_PORT = 3;
const int TX_DATA = 370;//688;
 
mcapi_pktchan_recv_hndl_t       send_handle;
mcapi_pktchan_recv_hndl_t       recv_handle;
 
static struct sigaction oldactions[32];
 
static void signalled(int signal, siginfo_t *info, void *context)
{
	struct sigaction *action;
 
	action = &oldactions[signal];
 
	if ((action->sa_flags & SA_SIGINFO) && action->sa_sigaction)
		action->sa_sigaction(signal, info, context);
	else if (action->sa_handler)
		action->sa_handler(signal);
 
	exit(signal);
}
 
struct sigaction action = {
	.sa_sigaction = signalled,
	.sa_flags = SA_SIGINFO,
};
 
 
int main(int argc, char* argv[])
{
 
   mcapi_status_t status;
   mcapi_version_t version;
 
   char   outgoing[TX_DATA];
   char*  incoming;
   size_t bytes;
   int count = 0;
 
 
   mcapi_initialize(LOCAL, &version, &status);
   mcapi_assert_success(status);
   printf("Node %d: MCAPI Initialized\n", LOCAL);
 
   connect_fwd(LOCAL, TX_PORT, &send_handle, REMOTE, RX_PORT);
   connect_rev(LOCAL, IN_PORT, &recv_handle);
 
   atexit(cleanup);
   sigaction(SIGQUIT, &action, &oldactions[SIGQUIT]);
   sigaction(SIGABRT, &action, &oldactions[SIGABRT]);
   sigaction(SIGTERM, &action, &oldactions[SIGTERM]);
   sigaction(SIGINT,  &action, &oldactions[SIGINT]);
 
   while(1) {
 
      mcapi_pktchan_recv(recv_handle, (void *)&incoming, &bytes,
                        &status);
      printf("Node %d: received %d bytes :%s\n", LOCAL, bytes, incoming);
 
      mcapi_pktchan_free(incoming, &status);
      mcapi_assert_success(status);
 
      count = (count+1) % 10;
      memset(outgoing, 0, TX_DATA);
      sprintf(outgoing, "Node %d: inv_scan (%d)", LOCAL, count);
 
      mcapi_pktchan_send(send_handle, outgoing, TX_DATA,
                         &status);
      mcapi_assert_success(status);      
   }
 
   return 0;
}
 
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