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/*
* lib/fib_lookup/request.c FIB Lookup Request
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch>
*/
/**
* @ingroup fib_lookup
* @defgroup flreq Request
* @brief
* @{
*/
#include <netlink-private/netlink.h>
#include <netlink/netlink.h>
#include <netlink/attr.h>
#include <netlink/utils.h>
#include <netlink/object.h>
#include <netlink/fib_lookup/request.h>
static struct nl_object_ops request_obj_ops;
/** @cond SKIP */
#define REQUEST_ATTR_ADDR 0x01
#define REQUEST_ATTR_FWMARK 0x02
#define REQUEST_ATTR_TOS 0x04
#define REQUEST_ATTR_SCOPE 0x08
#define REQUEST_ATTR_TABLE 0x10
/** @endcond */
static void request_free_data(struct nl_object *obj)
{
struct flnl_request *req = REQUEST_CAST(obj);
if (req)
nl_addr_put(req->lr_addr);
}
static int request_clone(struct nl_object *_dst, struct nl_object *_src)
{
struct flnl_request *dst = nl_object_priv(_dst);
struct flnl_request *src = nl_object_priv(_src);
if (src->lr_addr)
if (!(dst->lr_addr = nl_addr_clone(src->lr_addr)))
return -NLE_NOMEM;
return 0;
}
static int request_compare(struct nl_object *_a, struct nl_object *_b,
uint32_t attrs, int flags)
{
struct flnl_request *a = (struct flnl_request *) _a;
struct flnl_request *b = (struct flnl_request *) _b;
int diff = 0;
#define REQ_DIFF(ATTR, EXPR) ATTR_DIFF(attrs, REQUEST_ATTR_##ATTR, a, b, EXPR)
diff |= REQ_DIFF(FWMARK, a->lr_fwmark != b->lr_fwmark);
diff |= REQ_DIFF(TOS, a->lr_tos != b->lr_tos);
diff |= REQ_DIFF(SCOPE, a->lr_scope != b->lr_scope);
diff |= REQ_DIFF(TABLE, a->lr_table != b->lr_table);
diff |= REQ_DIFF(ADDR, nl_addr_cmp(a->lr_addr, b->lr_addr));
#undef REQ_DIFF
return diff;
}
/**
* @name Lookup Request Creation/Deletion
* @{
*/
struct flnl_request *flnl_request_alloc(void)
{
return REQUEST_CAST(nl_object_alloc(&request_obj_ops));
}
/** @} */
/**
* @name Attributes
* @{
*/
void flnl_request_set_fwmark(struct flnl_request *req, uint64_t fwmark)
{
req->lr_fwmark = fwmark;
req->ce_mask |= REQUEST_ATTR_FWMARK;
}
uint64_t flnl_request_get_fwmark(struct flnl_request *req)
{
if (req->ce_mask & REQUEST_ATTR_FWMARK)
return req->lr_fwmark;
else
return UINT_LEAST64_MAX;
}
void flnl_request_set_tos(struct flnl_request *req, int tos)
{
req->lr_tos = tos;
req->ce_mask |= REQUEST_ATTR_TOS;
}
int flnl_request_get_tos(struct flnl_request *req)
{
if (req->ce_mask & REQUEST_ATTR_TOS)
return req->lr_tos;
else
return -1;
}
void flnl_request_set_scope(struct flnl_request *req, int scope)
{
req->lr_scope = scope;
req->ce_mask |= REQUEST_ATTR_SCOPE;
}
int flnl_request_get_scope(struct flnl_request *req)
{
if (req->ce_mask & REQUEST_ATTR_SCOPE)
return req->lr_scope;
else
return -1;
}
void flnl_request_set_table(struct flnl_request *req, int table)
{
req->lr_table = table;
req->ce_mask |= REQUEST_ATTR_TABLE;
}
int flnl_request_get_table(struct flnl_request *req)
{
if (req->ce_mask & REQUEST_ATTR_TABLE)
return req->lr_table;
else
return -1;
}
int flnl_request_set_addr(struct flnl_request *req, struct nl_addr *addr)
{
if (addr->a_family != AF_INET)
return -NLE_AF_NOSUPPORT;
if (req->lr_addr)
nl_addr_put(req->lr_addr);
nl_addr_get(addr);
req->lr_addr = addr;
req->ce_mask |= REQUEST_ATTR_ADDR;
return 0;
}
struct nl_addr *flnl_request_get_addr(struct flnl_request *req)
{
if (req->ce_mask & REQUEST_ATTR_ADDR)
return req->lr_addr;
else
return NULL;
}
/** @} */
static struct nl_object_ops request_obj_ops = {
.oo_name = "fib_lookup/request",
.oo_size = sizeof(struct flnl_request),
.oo_free_data = request_free_data,
.oo_clone = request_clone,
.oo_compare = request_compare,
.oo_id_attrs = ~0,
};
/** @} */
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