generic_networkhandler.h

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/*******************************************************************************
 * Copyright (c) 2009, Rockwell Automation, Inc.
 * All rights reserved.
 *
 ******************************************************************************/

#ifndef GENERIC_NETWORKHANDLER_H_
#define GENERIC_NETWORKHANDLER_H_

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

#include "opener_api.h"
#include "typedefs.h"
#include "endianconv.h"
#include "cipconnectionmanager.h"
#include "networkhandler.h"
#include "appcontype.h"
#include "socket_timer.h"

SocketTimer g_timestamps[OPENER_NUMBER_OF_SUPPORTED_SESSIONS];

//EipUint8 g_ethernet_communication_buffer[PC_OPENER_ETHERNET_BUFFER_SIZE]; /**< communication buffer */

fd_set master_socket;
fd_set read_socket;

int highest_socket_handle; 
int g_current_active_tcp_socket;

struct timeval g_time_value;
MilliSeconds g_actual_time;
MilliSeconds g_last_time;
typedef struct {
  int tcp_listener; 
  int udp_unicast_listener; 
  int udp_global_broadcast_listener; 
  MilliSeconds elapsed_time;
} NetworkStatus;

NetworkStatus g_network_status; 
EipStatus NetworkHandlerInitialize(void);

void CloseUdpSocket(int socket_handle);

void CloseTcpSocket(int socket_handle);


EipStatus NetworkHandlerInitialize(void);

EipStatus NetworkHandlerProcessOnce(void);

EipStatus NetworkHandlerFinish(void);

EipBool8 CheckSocketSet(int socket);

int GetMaxSocket(int socket1,
                 int socket2,
                 int socket3,
                 int socket4);

#endif /* GENERIC_NETWORKHANDLER_H_ */