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/*
* Copyright (C) 2004-2005 by Objective Systems, Inc.
*
* This software is furnished under an open source license and may be
* used and copied only in accordance with the terms of this license.
* The text of the license may generally be found in the root
* directory of this installation in the COPYING file. It
* can also be viewed online at the following URL:
*
* http://www.obj-sys.com/open/license.html
*
* Any redistributions of this file including modified versions must
* maintain this copyright notice.
*
*****************************************************************************/
/**
* @file ooports.h
* This file contains functions to manage ports used by the stack.
*/
#ifndef _OOPORTS_H_
#define _OOPORTS_H_
#include "ootypes.h"
typedef enum OOH323PortType {
OOTCP, OOUDP, OORTP
} OOH323PortType;
#ifdef __cplusplus
extern "C" {
#endif
#ifndef EXTERN
#ifdef MAKE_DLL
#define EXTERN __declspec(dllexport)
#else
#define EXTERN
#endif /* MAKE_DLL */
#endif /* EXTERN */
/**
* Get the next port of type TCP/UDP/RTP from the corresponding range.
* When max value for the range is reached, it starts again from the
* first port number of the range.
*
* @param ep Reference to the H323 Endpoint structure.
* @param type Type of the port to be retrieved(OOTCP/OOUDP/OORTP).
*
* @return The next port number for the specified type is returned.
*/
EXTERN int ooGetNextPort (OOH323PortType type);
/**
* Bind socket to a port within the port range specified by the
* application at the startup.
*
* @param ep Reference to H323 Endpoint structure.
* @param type Type of the port required for the socket.
* @param socket The socket to be bound.
* @param ip Dotted Ip address to bind to.
*
* @return In case of success returns the port number to which
* socket is bound and in case of failure just returns
* a negative value.
*/
EXTERN int ooBindPort (OOH323PortType type, OOSOCKET socket, char *ip);
/**
* This function is supported for windows version only.
* Windows sockets have problem in reusing the addresses even after
* setting SO_REUSEADDR, hence in windows we just allow os to bind
* to any random port.
* @param socket Socket to be bound.
* @param ip Dotted ip address to bind to.
*
* @return In case of success returns the port number to which
* socket is bound and in case of failure just returns
* a negative value.
*/
#ifdef _WIN32
EXTERN int ooBindOSAllocatedPort(OOSOCKET socket, char *ip);
#endif
#ifdef __cplusplus
}
#endif
#endif
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