/src/openvswitch/lib/random.h

Source (jump to first uncovered line)
/*
 * Copyright (c) 2008, 2009, 2010, 2012 Nicira, Inc.
 *
 * 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 RANDOM_H
#define RANDOM_H 1

#include <stddef.h>
#include <stdint.h>

void random_init(void);
void random_set_seed(uint32_t);

void random_bytes(void *, size_t);
uint32_t random_uint32(void);
uint64_t random_uint64(void);

static inline int
random_range(int max)
{
    return random_uint32() % max;
}

static inline uint8_t
random_uint8(void)
{
    return random_uint32();
}

static inline uint16_t
random_uint16(void)
{
    return random_uint32();
}

#endif /* random.h */

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright (c) 2008, 2009, 2010, 2012 Nicira, Inc.
3		*
4		* Licensed under the Apache License, Version 2.0 (the "License");
5		* you may not use this file except in compliance with the License.
6		* You may obtain a copy of the License at:
7		*
8		* http://www.apache.org/licenses/LICENSE-2.0
9		*
10		* Unless required by applicable law or agreed to in writing, software
11		* distributed under the License is distributed on an "AS IS" BASIS,
12		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13		* See the License for the specific language governing permissions and
14		* limitations under the License.
15		*/
16
17		#ifndef RANDOM_H
18		#define RANDOM_H 1
19
20		#include <stddef.h>
21		#include <stdint.h>
22
23		void random_init(void);
24		void random_set_seed(uint32_t);
25
26		void random_bytes(void *, size_t);
27		uint32_t random_uint32(void);
28		uint64_t random_uint64(void);
29
30		static inline int
31		random_range(int max)
32	0	{
33	0	return random_uint32() % max;
34	0	} Unexecuted instantiation: flow_extract_target.c:random_range Unexecuted instantiation: dp-packet.c:random_range Unexecuted instantiation: flow.c:random_range Unexecuted instantiation: match.c:random_range Unexecuted instantiation: netdev.c:random_range Unexecuted instantiation: ofp-match.c:random_range Unexecuted instantiation: ofp-port.c:random_range Unexecuted instantiation: ofp-print.c:random_range Unexecuted instantiation: ofp-queue.c:random_range Unexecuted instantiation: ofp-table.c:random_range Unexecuted instantiation: ofp-util.c:random_range Unexecuted instantiation: ovs-router.c:random_range Unexecuted instantiation: packets.c:random_range Unexecuted instantiation: random.c:random_range Unexecuted instantiation: smap.c:random_range Unexecuted instantiation: socket-util.c:random_range Unexecuted instantiation: tnl-ports.c:random_range Unexecuted instantiation: tun-metadata.c:random_range Unexecuted instantiation: socket-util-unix.c:random_range Unexecuted instantiation: netdev-linux.c:random_range Unexecuted instantiation: netdev-offload-tc.c:random_range Unexecuted instantiation: rtnetlink.c:random_range Unexecuted instantiation: route-table.c:random_range Unexecuted instantiation: tc.c:random_range Unexecuted instantiation: classifier.c:random_range Unexecuted instantiation: ccmap.c:random_range Unexecuted instantiation: cmap.c:random_range Unexecuted instantiation: dp-packet-gso.c:random_range Unexecuted instantiation: dpif.c:random_range Unexecuted instantiation: hmap.c:random_range Unexecuted instantiation: meta-flow.c:random_range Unexecuted instantiation: netdev-offload.c:random_range Unexecuted instantiation: netdev-vport.c:random_range Unexecuted instantiation: netlink.c:random_range Unexecuted instantiation: nx-match.c:random_range Unexecuted instantiation: odp-execute.c:random_range Unexecuted instantiation: odp-execute-private.c:random_range Unexecuted instantiation: odp-util.c:random_range Unexecuted instantiation: ofp-actions.c:random_range Unexecuted instantiation: ofp-ct.c:random_range Unexecuted instantiation: ofp-ed-props.c:random_range Unexecuted instantiation: ofp-flow.c:random_range Unexecuted instantiation: ofp-group.c:random_range Unexecuted instantiation: ofp-meter.c:random_range Unexecuted instantiation: ofp-monitor.c:random_range Unexecuted instantiation: ofp-packet.c:random_range Unexecuted instantiation: ofp-parse.c:random_range Unexecuted instantiation: stream.c:random_range Unexecuted instantiation: svec.c:random_range Unexecuted instantiation: tnl-neigh-cache.c:random_range Unexecuted instantiation: netdev-native-tnl.c:random_range Unexecuted instantiation: stream-unix.c:random_range Unexecuted instantiation: dpif-netlink.c:random_range Unexecuted instantiation: dpif-netlink-rtnl.c:random_range Unexecuted instantiation: netlink-conntrack.c:random_range Unexecuted instantiation: stream-ssl.c:random_range Unexecuted instantiation: bundle.c:random_range Unexecuted instantiation: conntrack.c:random_range Unexecuted instantiation: ct-dpif.c:random_range Unexecuted instantiation: dpctl.c:random_range Unexecuted instantiation: dpif-netdev.c:random_range Unexecuted instantiation: dpif-netdev-private-dfc.c:random_range Unexecuted instantiation: dpif-netdev-private-dpif.c:random_range Unexecuted instantiation: dpif-netdev-private-extract.c:random_range Unexecuted instantiation: fat-rwlock.c:random_range Unexecuted instantiation: ipf.c:random_range Unexecuted instantiation: learn.c:random_range Unexecuted instantiation: multipath.c:random_range Unexecuted instantiation: stream-tcp.c:random_range Unexecuted instantiation: conntrack-icmp.c:random_range Unexecuted instantiation: conntrack-tcp.c:random_range Unexecuted instantiation: conntrack-tp.c:random_range Unexecuted instantiation: conntrack-other.c:random_range Unexecuted instantiation: dpif-netdev-extract-study.c:random_range Unexecuted instantiation: dpif-netdev-lookup.c:random_range Unexecuted instantiation: dpif-netdev-lookup-autovalidator.c:random_range Unexecuted instantiation: dpif-netdev-lookup-generic.c:random_range Unexecuted instantiation: skiplist.c:random_range Unexecuted instantiation: sort.c:random_range Unexecuted instantiation: odp_target.c:random_range Unexecuted instantiation: miniflow_target.c:random_range Unexecuted instantiation: ofp_print_target.c:random_range Unexecuted instantiation: ofctl_parse_target.c:random_range
35
36		static inline uint8_t
37		random_uint8(void)
38	0	{
39	0	return random_uint32();
40	0	} Unexecuted instantiation: flow_extract_target.c:random_uint8 Unexecuted instantiation: dp-packet.c:random_uint8 Unexecuted instantiation: flow.c:random_uint8 Unexecuted instantiation: match.c:random_uint8 Unexecuted instantiation: netdev.c:random_uint8 Unexecuted instantiation: ofp-match.c:random_uint8 Unexecuted instantiation: ofp-port.c:random_uint8 Unexecuted instantiation: ofp-print.c:random_uint8 Unexecuted instantiation: ofp-queue.c:random_uint8 Unexecuted instantiation: ofp-table.c:random_uint8 Unexecuted instantiation: ofp-util.c:random_uint8 Unexecuted instantiation: ovs-router.c:random_uint8 Unexecuted instantiation: packets.c:random_uint8 Unexecuted instantiation: random.c:random_uint8 Unexecuted instantiation: smap.c:random_uint8 Unexecuted instantiation: socket-util.c:random_uint8 Unexecuted instantiation: tnl-ports.c:random_uint8 Unexecuted instantiation: tun-metadata.c:random_uint8 Unexecuted instantiation: socket-util-unix.c:random_uint8 Unexecuted instantiation: netdev-linux.c:random_uint8 Unexecuted instantiation: netdev-offload-tc.c:random_uint8 Unexecuted instantiation: rtnetlink.c:random_uint8 Unexecuted instantiation: route-table.c:random_uint8 Unexecuted instantiation: tc.c:random_uint8 Unexecuted instantiation: classifier.c:random_uint8 Unexecuted instantiation: ccmap.c:random_uint8 Unexecuted instantiation: cmap.c:random_uint8 Unexecuted instantiation: dp-packet-gso.c:random_uint8 Unexecuted instantiation: dpif.c:random_uint8 Unexecuted instantiation: hmap.c:random_uint8 Unexecuted instantiation: meta-flow.c:random_uint8 Unexecuted instantiation: netdev-offload.c:random_uint8 Unexecuted instantiation: netdev-vport.c:random_uint8 Unexecuted instantiation: netlink.c:random_uint8 Unexecuted instantiation: nx-match.c:random_uint8 Unexecuted instantiation: odp-execute.c:random_uint8 Unexecuted instantiation: odp-execute-private.c:random_uint8 Unexecuted instantiation: odp-util.c:random_uint8 Unexecuted instantiation: ofp-actions.c:random_uint8 Unexecuted instantiation: ofp-ct.c:random_uint8 Unexecuted instantiation: ofp-ed-props.c:random_uint8 Unexecuted instantiation: ofp-flow.c:random_uint8 Unexecuted instantiation: ofp-group.c:random_uint8 Unexecuted instantiation: ofp-meter.c:random_uint8 Unexecuted instantiation: ofp-monitor.c:random_uint8 Unexecuted instantiation: ofp-packet.c:random_uint8 Unexecuted instantiation: ofp-parse.c:random_uint8 Unexecuted instantiation: stream.c:random_uint8 Unexecuted instantiation: svec.c:random_uint8 Unexecuted instantiation: tnl-neigh-cache.c:random_uint8 Unexecuted instantiation: netdev-native-tnl.c:random_uint8 Unexecuted instantiation: stream-unix.c:random_uint8 Unexecuted instantiation: dpif-netlink.c:random_uint8 Unexecuted instantiation: dpif-netlink-rtnl.c:random_uint8 Unexecuted instantiation: netlink-conntrack.c:random_uint8 Unexecuted instantiation: stream-ssl.c:random_uint8 Unexecuted instantiation: bundle.c:random_uint8 Unexecuted instantiation: conntrack.c:random_uint8 Unexecuted instantiation: ct-dpif.c:random_uint8 Unexecuted instantiation: dpctl.c:random_uint8 Unexecuted instantiation: dpif-netdev.c:random_uint8 Unexecuted instantiation: dpif-netdev-private-dfc.c:random_uint8 Unexecuted instantiation: dpif-netdev-private-dpif.c:random_uint8 Unexecuted instantiation: dpif-netdev-private-extract.c:random_uint8 Unexecuted instantiation: fat-rwlock.c:random_uint8 Unexecuted instantiation: ipf.c:random_uint8 Unexecuted instantiation: learn.c:random_uint8 Unexecuted instantiation: multipath.c:random_uint8 Unexecuted instantiation: stream-tcp.c:random_uint8 Unexecuted instantiation: conntrack-icmp.c:random_uint8 Unexecuted instantiation: conntrack-tcp.c:random_uint8 Unexecuted instantiation: conntrack-tp.c:random_uint8 Unexecuted instantiation: conntrack-other.c:random_uint8 Unexecuted instantiation: dpif-netdev-extract-study.c:random_uint8 Unexecuted instantiation: dpif-netdev-lookup.c:random_uint8 Unexecuted instantiation: dpif-netdev-lookup-autovalidator.c:random_uint8 Unexecuted instantiation: dpif-netdev-lookup-generic.c:random_uint8 Unexecuted instantiation: skiplist.c:random_uint8 Unexecuted instantiation: sort.c:random_uint8 Unexecuted instantiation: odp_target.c:random_uint8 Unexecuted instantiation: miniflow_target.c:random_uint8 Unexecuted instantiation: ofp_print_target.c:random_uint8 Unexecuted instantiation: ofctl_parse_target.c:random_uint8
41
42		static inline uint16_t
43		random_uint16(void)
44	0	{
45	0	return random_uint32();
46	0	} Unexecuted instantiation: flow_extract_target.c:random_uint16 Unexecuted instantiation: dp-packet.c:random_uint16 Unexecuted instantiation: flow.c:random_uint16 Unexecuted instantiation: match.c:random_uint16 Unexecuted instantiation: netdev.c:random_uint16 Unexecuted instantiation: ofp-match.c:random_uint16 Unexecuted instantiation: ofp-port.c:random_uint16 Unexecuted instantiation: ofp-print.c:random_uint16 Unexecuted instantiation: ofp-queue.c:random_uint16 Unexecuted instantiation: ofp-table.c:random_uint16 Unexecuted instantiation: ofp-util.c:random_uint16 Unexecuted instantiation: ovs-router.c:random_uint16 Unexecuted instantiation: packets.c:random_uint16 Unexecuted instantiation: random.c:random_uint16 Unexecuted instantiation: smap.c:random_uint16 Unexecuted instantiation: socket-util.c:random_uint16 Unexecuted instantiation: tnl-ports.c:random_uint16 Unexecuted instantiation: tun-metadata.c:random_uint16 Unexecuted instantiation: socket-util-unix.c:random_uint16 Unexecuted instantiation: netdev-linux.c:random_uint16 Unexecuted instantiation: netdev-offload-tc.c:random_uint16 Unexecuted instantiation: rtnetlink.c:random_uint16 Unexecuted instantiation: route-table.c:random_uint16 Unexecuted instantiation: tc.c:random_uint16 Unexecuted instantiation: classifier.c:random_uint16 Unexecuted instantiation: ccmap.c:random_uint16 Unexecuted instantiation: cmap.c:random_uint16 Unexecuted instantiation: dp-packet-gso.c:random_uint16 Unexecuted instantiation: dpif.c:random_uint16 Unexecuted instantiation: hmap.c:random_uint16 Unexecuted instantiation: meta-flow.c:random_uint16 Unexecuted instantiation: netdev-offload.c:random_uint16 Unexecuted instantiation: netdev-vport.c:random_uint16 Unexecuted instantiation: netlink.c:random_uint16 Unexecuted instantiation: nx-match.c:random_uint16 Unexecuted instantiation: odp-execute.c:random_uint16 Unexecuted instantiation: odp-execute-private.c:random_uint16 Unexecuted instantiation: odp-util.c:random_uint16 Unexecuted instantiation: ofp-actions.c:random_uint16 Unexecuted instantiation: ofp-ct.c:random_uint16 Unexecuted instantiation: ofp-ed-props.c:random_uint16 Unexecuted instantiation: ofp-flow.c:random_uint16 Unexecuted instantiation: ofp-group.c:random_uint16 Unexecuted instantiation: ofp-meter.c:random_uint16 Unexecuted instantiation: ofp-monitor.c:random_uint16 Unexecuted instantiation: ofp-packet.c:random_uint16 Unexecuted instantiation: ofp-parse.c:random_uint16 Unexecuted instantiation: stream.c:random_uint16 Unexecuted instantiation: svec.c:random_uint16 Unexecuted instantiation: tnl-neigh-cache.c:random_uint16 Unexecuted instantiation: netdev-native-tnl.c:random_uint16 Unexecuted instantiation: stream-unix.c:random_uint16 Unexecuted instantiation: dpif-netlink.c:random_uint16 Unexecuted instantiation: dpif-netlink-rtnl.c:random_uint16 Unexecuted instantiation: netlink-conntrack.c:random_uint16 Unexecuted instantiation: stream-ssl.c:random_uint16 Unexecuted instantiation: bundle.c:random_uint16 Unexecuted instantiation: conntrack.c:random_uint16 Unexecuted instantiation: ct-dpif.c:random_uint16 Unexecuted instantiation: dpctl.c:random_uint16 Unexecuted instantiation: dpif-netdev.c:random_uint16 Unexecuted instantiation: dpif-netdev-private-dfc.c:random_uint16 Unexecuted instantiation: dpif-netdev-private-dpif.c:random_uint16 Unexecuted instantiation: dpif-netdev-private-extract.c:random_uint16 Unexecuted instantiation: fat-rwlock.c:random_uint16 Unexecuted instantiation: ipf.c:random_uint16 Unexecuted instantiation: learn.c:random_uint16 Unexecuted instantiation: multipath.c:random_uint16 Unexecuted instantiation: stream-tcp.c:random_uint16 Unexecuted instantiation: conntrack-icmp.c:random_uint16 Unexecuted instantiation: conntrack-tcp.c:random_uint16 Unexecuted instantiation: conntrack-tp.c:random_uint16 Unexecuted instantiation: conntrack-other.c:random_uint16 Unexecuted instantiation: dpif-netdev-extract-study.c:random_uint16 Unexecuted instantiation: dpif-netdev-lookup.c:random_uint16 Unexecuted instantiation: dpif-netdev-lookup-autovalidator.c:random_uint16 Unexecuted instantiation: dpif-netdev-lookup-generic.c:random_uint16 Unexecuted instantiation: skiplist.c:random_uint16 Unexecuted instantiation: sort.c:random_uint16 Unexecuted instantiation: odp_target.c:random_uint16 Unexecuted instantiation: miniflow_target.c:random_uint16 Unexecuted instantiation: ofp_print_target.c:random_uint16 Unexecuted instantiation: ofctl_parse_target.c:random_uint16
47
48		#endif /* random.h */

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Created: 2025-07-01 06:51