GCOV - Varnish Cache


/*-
 * Copyright 2021,2023 UPLEX - Nils Goroll Systemoptimierung
 * All rights reserved.
 *
 * Author: Nils Goroll <nils.goroll@uplex.de>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * debug helper storage based on malloc
 */

#include "config.h"

#include "cache/cache_int.h"
#include "cache/cache_obj.h"
#include "common/heritage.h"

#include <stdio.h>
#include <stdlib.h>

#include "storage/storage.h"

#include "vtim.h"
#include "vnum.h"

static vtim_dur dopen = 0.0;
static unsigned count = 0;

#define dur_arg(a, s, d)                                        \
        (! vstrncmp((a), (s), vstrlen(s))                       \
         && (d = VNUM_duration(a + vstrlen(s))) != nan(""))

static void
smd_close(struct stevedore *stv, int warn)
{

        if (warn)
                return;
        LRU_Free(&stv->lru);
}

static void
smd_open(struct stevedore *stv)
{

        sma_stevedore.open(stv);
        fprintf(stderr, "-sdebug open delay %fs\n", dopen);
        AN(dopen);
        VTIM_sleep(dopen);
        stv->lru = LRU_Alloc();
}

static void v_matchproto_(storage_init_f)
smd_init(struct stevedore *parent, int aac, char * const *aav)
{
        const char *ident;
        int i, ac = 0;
        size_t nac;
        vtim_dur d, dinit = 0.0;
        char **av;      //lint !e429
        char *a;

        if (count++ > 0)
                ARGV_ERR("Only one -s%s instance supported\n", smd_stevedore.name);

        ident = parent->ident;
        vmemcpy(parent, &sma_stevedore, sizeof *parent);
        parent->ident = ident;
        parent->name = smd_stevedore.name;

        assert(aac >= 0);
        nac = aac;
        nac++;
        av = calloc(nac, sizeof *av);
        AN(av);
        for (i = 0; i < aac; i++) {
                a = aav[i];
                if (a != NULL) {
                        if (dur_arg(a, "dinit=", d)) {
                                dinit = d;
                                continue;
                        }
                        if (dur_arg(a, "dopen=", d)) {
                                dopen = d;
                                continue;
                        }
                }
                av[ac] = a;
                ac++;
        }
        assert(ac >= 0);
        assert(ac < (int)nac);
        AZ(av[ac]);

        sma_stevedore.init(parent, ac, av);
        free(av);
        if (dinit > 0.0) {
                fprintf(stderr, "-sdebug init delay %fs\n", dinit);
                VTIM_sleep(dinit);
        }
        if (dopen > 0.0) {
                parent->open = smd_open;
                parent->close = smd_close;
                fprintf(stderr, "-sdebug open delay in init %fs\n", dopen);
        }
}


const struct stevedore smd_stevedore = {
        .magic          =       STEVEDORE_MAGIC,
        .name           =       "debug",
        .init           =       smd_init,
        // other callbacks initialized in smd_init()
};

		vinyl-cache/bin/vinyld/storage/storage_debug.c
0		/*-
1		* Copyright 2021,2023 UPLEX - Nils Goroll Systemoptimierung
2		* All rights reserved.
3		*
4		* Author: Nils Goroll <nils.goroll@uplex.de>
5		*
6		* SPDX-License-Identifier: BSD-2-Clause
7		*
8		* Redistribution and use in source and binary forms, with or without
9		* modification, are permitted provided that the following conditions
10		* are met:
11		* 1. Redistributions of source code must retain the above copyright
12		* notice, this list of conditions and the following disclaimer.
13		* 2. Redistributions in binary form must reproduce the above copyright
14		* notice, this list of conditions and the following disclaimer in the
15		* documentation and/or other materials provided with the distribution.
16		*
17		* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18		* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19		* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20		* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
21		* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22		* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23		* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25		* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27		* SUCH DAMAGE.
28		*
29		* debug helper storage based on malloc
30		*/
31
32		#include "config.h"
33
34		#include "cache/cache_int.h"
35		#include "cache/cache_obj.h"
36		#include "common/heritage.h"
37
38		#include <stdio.h>
39		#include <stdlib.h>
40
41		#include "storage/storage.h"
42
43		#include "vtim.h"
44		#include "vnum.h"
45
46		static vtim_dur dopen = 0.0;
47		static unsigned count = 0;
48
49		#define dur_arg(a, s, d) \
50		(! vstrncmp((a), (s), vstrlen(s)) \
51		&& (d = VNUM_duration(a + vstrlen(s))) != nan(""))
52
53		static void
54	0	smd_close(struct stevedore *stv, int warn)
55		{
56
57	0	if (warn)
58	0	return;
59	0	LRU_Free(&stv->lru);
60	0	}
61
62		static void
63	42	smd_open(struct stevedore *stv)
64		{
65
66	42	sma_stevedore.open(stv);
67	42	fprintf(stderr, "-sdebug open delay %fs\n", dopen);
68	42	AN(dopen);
69	42	VTIM_sleep(dopen);
70	42	stv->lru = LRU_Alloc();
71	42	}
72
73		static void v_matchproto_(storage_init_f)
74	77	smd_init(struct stevedore parent, int aac, char const *aav)
75		{
76		const char *ident;
77	77	int i, ac = 0;
78		size_t nac;
79	77	vtim_dur d, dinit = 0.0;
80		char **av; //lint !e429
81		char *a;
82
83	77	if (count++ > 0)
84	0	ARGV_ERR("Only one -s%s instance supported\n", smd_stevedore.name);
85
86	77	ident = parent->ident;
87	77	vmemcpy(parent, &sma_stevedore, sizeof *parent);
88	77	parent->ident = ident;
89	77	parent->name = smd_stevedore.name;
90
91	77	assert(aac >= 0);
92	77	nac = aac;
93	77	nac++;
94	77	av = calloc(nac, sizeof *av);
95	77	AN(av);
96	154	for (i = 0; i < aac; i++) {
97	77	a = aav[i];
98	77	if (a != NULL) {
99	77	if (dur_arg(a, "dinit=", d)) {
100	35	dinit = d;
101	35	continue;
102		}
103	42	if (dur_arg(a, "dopen=", d)) {
104	42	dopen = d;
105	42	continue;
106		}
107	0	}
108	0	av[ac] = a;
109	0	ac++;
110	0	}
111	77	assert(ac >= 0);
112	77	assert(ac < (int)nac);
113	77	AZ(av[ac]);
114
115	77	sma_stevedore.init(parent, ac, av);
116	77	free(av);
117	77	if (dinit > 0.0) {
118	35	fprintf(stderr, "-sdebug init delay %fs\n", dinit);
119	35	VTIM_sleep(dinit);
120	35	}
121	77	if (dopen > 0.0) {
122	42	parent->open = smd_open;
123	42	parent->close = smd_close;
124	42	fprintf(stderr, "-sdebug open delay in init %fs\n", dopen);
125	42	}
126	77	}
127
128
129		const struct stevedore smd_stevedore = {
130		.magic = STEVEDORE_MAGIC,
131		.name = "debug",
132		.init = smd_init,
133		// other callbacks initialized in smd_init()
134		};