/*
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* netlink/types.h Definition of public types
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* Copyright (c) 2003-2012 Thomas Graf <tgraf@suug.ch>
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*/
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#ifndef __NETLINK_TYPES_H_
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#define __NETLINK_TYPES_H_
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#include <stdio.h>
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/**
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* @ingroup utils
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* Enumeration of dumping variations (dp_type)
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*/
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enum nl_dump_type {
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NL_DUMP_LINE, /**< Dump object briefly on one line */
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NL_DUMP_DETAILS, /**< Dump all attributes but no statistics */
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NL_DUMP_STATS, /**< Dump all attributes including statistics */
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__NL_DUMP_MAX,
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};
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#define NL_DUMP_MAX (__NL_DUMP_MAX - 1)
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/**
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* @ingroup utils
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* Dumping parameters
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*/
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struct nl_dump_params
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{
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/**
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* Specifies the type of dump that is requested.
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*/
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enum nl_dump_type dp_type;
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/**
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* Specifies the number of whitespaces to be put in front
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* of every new line (indentation).
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*/
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int dp_prefix;
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/**
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* Causes the cache index to be printed for each element.
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*/
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int dp_print_index;
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/**
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* Causes each element to be prefixed with the message type.
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*/
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int dp_dump_msgtype;
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/**
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* A callback invoked for output
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*
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* Passed arguments are:
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* - dumping parameters
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* - string to append to the output
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*/
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void (*dp_cb)(struct nl_dump_params *, char *);
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/**
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* A callback invoked for every new line, can be used to
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* customize the indentation.
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*
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* Passed arguments are:
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* - dumping parameters
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* - line number starting from 0
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*/
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void (*dp_nl_cb)(struct nl_dump_params *, int);
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/**
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* User data pointer, can be used to pass data to callbacks.
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*/
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void *dp_data;
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/**
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* File descriptor the dumping output should go to
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*/
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FILE * dp_fd;
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/**
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* Alternatively the output may be redirected into a buffer
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*/
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char * dp_buf;
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/**
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* Length of the buffer dp_buf
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*/
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size_t dp_buflen;
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/**
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* PRIVATE
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* Set if a dump was performed prior to the actual dump handler.
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*/
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int dp_pre_dump;
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/**
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* PRIVATE
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* Owned by the current caller
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*/
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int dp_ivar;
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unsigned int dp_line;
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};
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#endif
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