/usr/include/I2util/addr.h is in libi2util-dev 1.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* ex: set tabstop=4 ai expandtab softtabstop=4 shiftwidth=4:
* -*- mode: c-basic-indent: 4; tab-width: 4; indent-tabls-mode: nil -*-
* $Id: addr.h 216 2012-10-16 19:57:01Z aaron $
*/
/************************************************************************
* *
* Copyright (C) 2005 *
* Internet2 *
* All Rights Reserved *
* *
************************************************************************/
/*
** File: addr.h
**
** Author: Jeff W. Boote
**
** Date: Tue Dec 20 12:04:12 MST 2005
**
** Description:
* Abstraction layer for addresses. Useful for keeping
* network address code localized to one part of the
* code.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef I2ADDR_H
#define I2ADDR_H
#include <I2util/util.h>
#include <sys/types.h>
#include <sys/socket.h>
typedef struct I2AddrRec *I2Addr;
/*
* The I2AddrBy* functions are used to allow the addr API to more
* adequately manage the memory associated with the many different ways
* of specifying an address - and to provide a uniform way to specify an
* address.
*
* These functions return NULL on failure. (They call the error handler
* to specify the reason.)
*/
extern I2Addr
I2AddrByNode(
I2ErrHandle eh,
const char *node /* dns or valid char representation of addr */
);
extern I2Addr
I2AddrByWildcard(
I2ErrHandle eh,
int socktype,
const char *servname
);
extern I2Addr
I2AddrBySAddr(
I2ErrHandle eh,
struct sockaddr *saddr,
socklen_t saddr_len,
int socktype,
int protocol
);
/*
* Copies an I2Addr. If the src I2Addr represents a connected socket,
* the copy will as well. However, as with the AddrBy*FD functions
* free'ing the copy I2Addr will not close the fd.
*/
extern I2Addr
I2AddrCopy(
I2Addr src
);
/*
* Return the address for the remote side of a socket connection
* (getpeername)
* Only copies the address portion of the I2Addr record, does not
* represent the actual connected socket.
*/
extern I2Addr
I2AddrBySockFD(
I2ErrHandle eh,
int fd, /* fd must be an already connected socket */
I2Boolean close_on_free
);
/*
* Return the address for the local side of a socket connection
* (getsockname)
* Only copies the address portion of the I2Addr record, does not
* represent the actual connected socket.
*/
extern I2Addr
I2AddrByLocalSockFD(
I2ErrHandle eh,
int fd, /* fd must be an already connected socket */
I2Boolean close_on_free
);
/*
* Addr access functions.
* The set functions are only valid *before* a real socket is associated
* with the Addr. So, the internal fd cannot be set upon entrance.
*/
extern I2Boolean
I2AddrSetSAddr(
I2Addr addr,
struct sockaddr *saddr,
socklen_t saddr_len
);
extern I2Boolean
I2AddrSetFD(
I2Addr addr,
int fd,
I2Boolean close_on_free
);
extern I2Boolean
I2AddrSetPort(
I2Addr addr,
uint16_t port
);
extern uint16_t
I2AddrPort(
I2Addr addr
);
extern I2Boolean
I2AddrSetSocktype(
I2Addr addr,
int so_type
);
extern int
I2AddrSocktype(
I2Addr addr
);
extern I2Boolean
I2AddrSetProtocol(
I2Addr addr,
int protocol
);
extern int
I2AddrProtocol(
I2Addr addr
);
extern I2Boolean
I2AddrSetPassive(
I2Addr addr,
I2Boolean passive
);
extern struct addrinfo
*I2AddrAddrInfo(
I2Addr addr,
char *def_node,
char *def_serv
);
extern struct sockaddr
*I2AddrSAddr(
I2Addr addr,
socklen_t *saddr_len
);
extern char *
I2AddrNodeName(
I2Addr addr,
char *buf,
size_t *len /* in/out parameter for buf len */
);
extern char *
I2AddrServName(
I2Addr addr,
char *buf,
size_t *len /* in/out parameter for buf len */
);
extern char *
I2AddrNodeServName(
I2Addr addr,
char *buf,
size_t *len
);
/*
* return FD for given I2Addr or -1 if it doesn't refer to a socket yet.
*/
extern int
I2AddrFD(
I2Addr addr
);
/*
* return socket address length (for use in calling accept etc...)
* or 0 if it doesn't refer to a socket yet.
*/
extern socklen_t
I2AddrSockLen(
I2Addr addr
);
extern void
I2AddrFree(
I2Addr addr
);
#ifndef htonll
#define htonll(x) I2htonll(x)
#endif
#ifndef ntohll
#define ntohll(x) I2ntohll(x)
#endif
extern uint64_t
I2htonll(
uint64_t h64
);
extern uint64_t
I2ntohll(
uint64_t n64
);
extern int
I2AddrIsLoopback(
I2Addr addr
);
#endif /* I2ADDR_H */
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