wsinit.c

wm PNE 3.3 source code, running at more than vxworks6.x version.

/* $Header: /usr/cvsroot/target/src/wrn/wm/demo/winagent/wsinit.c,v 1.1.1.1 2001/11/05 17:49:19 tneale Exp $ */

/*
 * Copyright (C) 1999-2005 Wind River Systems, Inc.
 * All rights reserved.  Provided under license only.
 * Distribution or other use of this software is only
 * permitted pursuant to the terms of a license agreement
 * from Wind River Systems (and is otherwise prohibited).
 * Refer to that license agreement for terms of use.
 */


/****************************************************************************
 *  Copyright 1988-1997 Epilogue Technology Corporation.
 *  Copyright 1998 Integrated Systems, Inc.
 *  All rights reserved.
 ****************************************************************************/

/*
 * $Log: wsinit.c,v $
 * Revision 1.1.1.1  2001/11/05 17:49:19  tneale
 * Tornado shuffle
 *
 * Revision 1.6  2001/01/19 22:25:12  paul
 * Update copyright.
 *
 * Revision 1.5  2000/03/17 00:15:55  meister
 * Update copyright message
 *
 * Revision 1.4  1998/02/25 04:58:37  sra
 * Update copyrights.
 *
 * Revision 1.3  1997/03/20 06:53:41  sra
 * DFARS-safe copyright text.  Zap!
 *
 * Revision 1.2  1997/02/25 16:34:43  mrf
 * Added RCS log and copyright notice
 *
 */

/* [clearcase]
modification history
-------------------
01a,19apr05,job  update copyright notices
*/



/*---------------------------------------------------------
  WSINIT.C -- Initializes Windows Sockets 
  ---------------------------------------------------------*/

#include "wsagent.h"

SOCKET  sSNMP = INVALID_SOCKET;

/*---------------------------------------------------------
  WS_Initialize() --

  Initializes Winsock DLL and sets up listening socket.
  Returns SUCCESS if successful, FAILURE if not.
  ---------------------------------------------------------*/
int WS_Initialize(HWND hwnd)
{
    WSADATA     wsadata;
    SOCKERR     serr;
   
    serr = WSAStartup(DESIRED_WINSOCK_VERSION, &wsadata);

    if (serr != 0)
    {
	MsgBox (NULL,
		MB_ICONSTOP | MB_OK,
		"Cannot initialize socket library, error %d: %s",
		serr,
		SockerrToString (serr));
	return FAILURE;
    }

    if (wsadata.wVersion < MINIMUM_WINSOCK_VERSION)
    {
	MsgBox (NULL,
		MB_ICONSTOP | MB_OK,
		"Unsupported Windows Sockets Version %02X.%02X.",
		LOBYTE(wsadata.wVersion),
		HIBYTE(wsadata.wVersion));
	return FAILURE;
    }
    
#if DEBUG
    MsgBox (NULL,
	    MB_OK,
	    "Windows Sockets DLL initialized! Version %02X.%02X",
	    LOBYTE(wsadata.wVersion),
	    HIBYTE(wsadata.wVersion));
#endif /* DEBUG */
    
    serr = CreateSocket (&sSNMP,
			 SOCK_DGRAM,
			 htonl (INADDR_ANY),
			 htons (SNMP_PORT));
    if (serr == 0)
    {
#if DEBUG        
	MsgBox (NULL,
		MB_OK,
		"Successfully created SNMP socket!");
#endif /* DEBUG */
	
	if (WSAAsyncSelect (sSNMP,
			    hwnd,
			    WM_SOCKET_SELECT,
			    FD_READ) != 0)
	{
	    serr = WSAGetLastError();
	}
    }

    if (serr != 0)
    {
	MsgBox (NULL,
		MB_ICONSTOP | MB_OK,
		"Cannot create SNMP socket, error %d: %s",
		serr,
		SockerrToString (serr));
	return FAILURE;
    }
    
    return SUCCESS;
}