GCOV - Varnish Cache


/*-
 * Copyright (c) 2008-2017 Varnish Software AS
 * All rights reserved.
 *
 * Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
 *
 * 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.
 */

#include "config.h"

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/resource.h>

#include "vtc.h"

#include "vct.h"
#include "vnum.h"
#include "vre.h"

#include "vapi/vsig.h"

struct vsb *
vtc_hex_to_bin(struct vtclog *vl, const char *arg)
{
        struct vsb *vsb;
        unsigned sh = 4;
        unsigned c, b = 0;

        vsb = VSB_new_auto();
        AN(vsb);
        for (; *arg != '\0'; arg++) {
                if (vct_issp(*arg) || *arg == '\n')
                        continue;
                c = (uint8_t)*arg;
                if (c >= '0' && c <= '9')
                        b |= (c - 48U) << sh;
                else if (c >= 'A' && c <= 'F')
                        b |= (c - 55U) << sh;
                else if (c >= 'a' && c <= 'f')
                        b |= (c - 87U) << sh;
                else
                        vtc_fatal(vl,"Illegal hex string");
                sh = 4 - sh;
                if (sh == 4) {
                        VSB_putc(vsb, b);
                        b = 0;
                }
        }
        if (sh != 4)
                VSB_putc(vsb, b);
        AZ(VSB_finish(vsb));
        return (vsb);
}

void
vtc_expect(struct vtclog *vl,
    const char *olhs, const char *lhs,
    const char *cmp,
    const char *orhs, const char *rhs)
{
        vre_t *vre;
        struct vsb vsb[1];
        int error, erroroffset;
        int i, j, retval = -1;
        double fl, fr;
        char errbuf[VRE_ERROR_LEN];

        j = lhs == NULL || rhs == NULL;
        if (lhs == NULL)
                lhs = "<undef>";
        if (rhs == NULL)
                rhs = "<undef>";

        if (!strcmp(cmp, "~") || !strcmp(cmp, "!~")) {
                vre = VRE_compile(rhs, 0, &error, &erroroffset, 1);
                if (vre == NULL) {
                        AN(VSB_init(vsb, errbuf, sizeof errbuf));
                        AZ(VRE_error(vsb, error));
                        AZ(VSB_finish(vsb));
                        VSB_fini(vsb);
                        vtc_fatal(vl, "REGEXP error: %s (@%d) (%s)",
                            errbuf, erroroffset, rhs);
                }
                i = VRE_match(vre, lhs, 0, 0, NULL);
                retval = (i >= 0 && *cmp == '~') || (i < 0 && *cmp == '!');
                VRE_free(&vre);
        } else if (!strcmp(cmp, "==")) {
                retval = strcmp(lhs, rhs) == 0;
        } else if (!strcmp(cmp, "!=")) {
                retval = strcmp(lhs, rhs) != 0;
        } else if (!strcmp(cmp, "-lt")) {
                retval = strtoul(lhs, NULL, 0) < strtoul(rhs, NULL, 0);
        } else if (!strcmp(cmp, "-le")) {
                retval = strtoul(lhs, NULL, 0) <= strtoul(rhs, NULL, 0);
        } else if (!strcmp(cmp, "-eq")) {
                retval = strtoul(lhs, NULL, 0) == strtoul(rhs, NULL, 0);
        } else if (!strcmp(cmp, "-ne")) {
                retval = strtoul(lhs, NULL, 0) != strtoul(rhs, NULL, 0);
        } else if (!strcmp(cmp, "-ge")) {
                retval = strtoul(lhs, NULL, 0) >= strtoul(rhs, NULL, 0);
        } else if (!strcmp(cmp, "-gt")) {
                retval = strtoul(lhs, NULL, 0) > strtoul(rhs, NULL, 0);
        } else if (j) {
                // fail inequality comparisons if either side is undef'ed
                retval = 0;
        } else {
                fl = VNUM(lhs);
                fr = VNUM(rhs);
                if (!strcmp(cmp, "<"))
                        retval = isless(fl, fr);
                else if (!strcmp(cmp, ">"))
                        retval = isgreater(fl, fr);
                else if (!strcmp(cmp, "<="))
                        retval = islessequal(fl, fr);
                else if (!strcmp(cmp, ">="))
                        retval = isgreaterequal(fl, fr);
        }

        if (retval == -1)
                vtc_fatal(vl,
                    "EXPECT %s (%s) %s %s (%s) test not implemented",
                    olhs, lhs, cmp, orhs, rhs);
        else if (retval == 0)
                vtc_fatal(vl, "EXPECT %s (%s) %s \"%s\" failed",
                    olhs, lhs, cmp, rhs);
        else
                vtc_log(vl, 4, "EXPECT %s (%s) %s \"%s\" match",
                    olhs, lhs, cmp, rhs);
}

/**********************************************************************
 * Wait for a subprocess.
 *
 * if expect_signal > 0, the process must die on that signal.
 * if expect_signal < 0, dying on that signal is allowed, but not required.
 * if allow_core > 0, a coredump is allowed, but not required.
 * otherwise, the process must die on exit(expect_status)
 */

void
vtc_wait4(struct vtclog *vl, long pid,
    int expect_status, int expect_signal, int allow_core)
{
        int status, r;
        struct rusage ru;

        r = wait4(pid, &status, 0, &ru);
        if (r < 0)
                vtc_fatal(vl, "wait4 failed on pid %ld: %s",
                    pid, strerror(errno));
        assert(r == pid);
        vtc_log(vl, 2, "WAIT4 pid=%ld status=0x%04x (user %.6f sys %.6f)",
            pid, status,
            ru.ru_utime.tv_sec + 1e-6 * ru.ru_utime.tv_usec,
            ru.ru_stime.tv_sec + 1e-6 * ru.ru_stime.tv_usec
        );

        if (WIFEXITED(status) && expect_signal <= 0 &&
            WEXITSTATUS(status) == expect_status)
                return;

        if (expect_signal < 0)
                expect_signal = -expect_signal;

        if (WIFSIGNALED(status) && WCOREDUMP(status) <= allow_core &&
            WTERMSIG(status) == expect_signal)
                return;
        vtc_log(vl, 1, "Expected exit: 0x%x signal: %d core: %d",
            expect_status, expect_signal, allow_core);
        vtc_fatal(vl, "Bad exit status: 0x%04x exit 0x%x signal %d core %d",
            status,
            WEXITSTATUS(status),
            WIFSIGNALED(status) ? WTERMSIG(status) : 0,
            WCOREDUMP(status));
}

void *
vtc_record(struct vtclog *vl, int fd, struct vsb *vsb)
{
        char buf[BUFSIZ];
        int i;

        while (1) {
                errno = 0;
                i = read(fd, buf, sizeof buf - 1);
                if (i > 0) {
                        if (vsb != NULL)
                                VSB_bcat(vsb, buf, i);
                        buf[i] = '\0';
                        vtc_dump(vl, 3, "debug", buf, -2);
                } else if (i == 0 && errno == 0) {
                        vtc_log(vl, 4, "STDOUT EOF");
                        break;
                } else {
                        vtc_log(vl, 4,
                            "STDOUT read failed with %d - %s.",
                            errno, strerror(errno));
                        break;
                }
        }
        return (NULL);
}


		vinyl-cache/bin/vinyltest/vtest2/src/vtc_subr.c
0		/*-
1		* Copyright (c) 2008-2017 Varnish Software AS
2		* All rights reserved.
3		*
4		* Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
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
30		#include "config.h"
31
32		#include <math.h>
33		#include <stdio.h>
34		#include <stdlib.h>
35		#include <string.h>
36		#include <stdint.h>
37		#include <unistd.h>
38		#include <sys/resource.h>
39
40		#include "vtc.h"
41
42		#include "vct.h"
43		#include "vnum.h"
44		#include "vre.h"
45
46		#include "vapi/vsig.h"
47
48		struct vsb *
49	1805	vtc_hex_to_bin(struct vtclog vl, const char arg)
50		{
51		struct vsb *vsb;
52	1805	unsigned sh = 4;
53	1805	unsigned c, b = 0;
54
55	1805	vsb = VSB_new_auto();
56	1805	AN(vsb);
57	65475	for (; *arg != '\0'; arg++) {
58	63670	if (vct_issp(arg) \|\| arg == '\n')
59	20720	continue;
60	42950	c = (uint8_t)*arg;
61	42950	if (c >= '0' && c <= '9')
62	35895	b \|= (c - 48U) << sh;
63	7055	else if (c >= 'A' && c <= 'F')
64	160	b \|= (c - 55U) << sh;
65	6895	else if (c >= 'a' && c <= 'f')
66	6895	b \|= (c - 87U) << sh;
67		else
68	0	vtc_fatal(vl,"Illegal hex string");
69	42950	sh = 4 - sh;
70	42950	if (sh == 4) {
71	21475	VSB_putc(vsb, b);
72	21475	b = 0;
73	21475	}
74	42950	}
75	1805	if (sh != 4)
76	0	VSB_putc(vsb, b);
77	1805	AZ(VSB_finish(vsb));
78	1805	return (vsb);
79		}
80
81		void
82	40466	vtc_expect(struct vtclog *vl,
83		const char olhs, const char lhs,
84		const char *cmp,
85		const char orhs, const char rhs)
86		{
87		vre_t *vre;
88		struct vsb vsb[1];
89		int error, erroroffset;
90	40466	int i, j, retval = -1;
91		double fl, fr;
92		char errbuf[VRE_ERROR_LEN];
93
94	40466	j = lhs == NULL \|\| rhs == NULL;
95	40466	if (lhs == NULL)
96	1365	lhs = "<undef>";
97	40466	if (rhs == NULL)
98	5	rhs = "<undef>";
99
100	40466	if (!strcmp(cmp, "~") \|\| !strcmp(cmp, "!~")) {
101	350	vre = VRE_compile(rhs, 0, &error, &erroroffset, 1);
102	350	if (vre == NULL) {
103	0	AN(VSB_init(vsb, errbuf, sizeof errbuf));
104	0	AZ(VRE_error(vsb, error));
105	0	AZ(VSB_finish(vsb));
106	0	VSB_fini(vsb);
107	0	vtc_fatal(vl, "REGEXP error: %s (@%d) (%s)",
108	0	errbuf, erroroffset, rhs);
109		}
110	350	i = VRE_match(vre, lhs, 0, 0, NULL);
111	350	retval = (i >= 0 && cmp == '~') \|\| (i < 0 && cmp == '!');
112	350	VRE_free(&vre);
113	40466	} else if (!strcmp(cmp, "==")) {
114	39321	retval = strcmp(lhs, rhs) == 0;
115	40116	} else if (!strcmp(cmp, "!=")) {
116	220	retval = strcmp(lhs, rhs) != 0;
117	795	} else if (!strcmp(cmp, "-lt")) {
118	10	retval = strtoul(lhs, NULL, 0) < strtoul(rhs, NULL, 0);
119	575	} else if (!strcmp(cmp, "-le")) {
120	10	retval = strtoul(lhs, NULL, 0) <= strtoul(rhs, NULL, 0);
121	565	} else if (!strcmp(cmp, "-eq")) {
122	45	retval = strtoul(lhs, NULL, 0) == strtoul(rhs, NULL, 0);
123	555	} else if (!strcmp(cmp, "-ne")) {
124	0	retval = strtoul(lhs, NULL, 0) != strtoul(rhs, NULL, 0);
125	510	} else if (!strcmp(cmp, "-ge")) {
126	10	retval = strtoul(lhs, NULL, 0) >= strtoul(rhs, NULL, 0);
127	510	} else if (!strcmp(cmp, "-gt")) {
128	20	retval = strtoul(lhs, NULL, 0) > strtoul(rhs, NULL, 0);
129	500	} else if (j) {
130		// fail inequality comparisons if either side is undef'ed
131	0	retval = 0;
132	0	} else {
133	480	fl = VNUM(lhs);
134	480	fr = VNUM(rhs);
135	480	if (!strcmp(cmp, "<"))
136	50	retval = isless(fl, fr);
137	430	else if (!strcmp(cmp, ">"))
138	245	retval = isgreater(fl, fr);
139	185	else if (!strcmp(cmp, "<="))
140	100	retval = islessequal(fl, fr);
141	85	else if (!strcmp(cmp, ">="))
142	85	retval = isgreaterequal(fl, fr);
143		}
144
145	40466	if (retval == -1)
146	0	vtc_fatal(vl,
147		"EXPECT %s (%s) %s %s (%s) test not implemented",
148	0	olhs, lhs, cmp, orhs, rhs);
149	40466	else if (retval == 0)
150	0	vtc_fatal(vl, "EXPECT %s (%s) %s \"%s\" failed",
151	0	olhs, lhs, cmp, rhs);
152		else
153	80932	vtc_log(vl, 4, "EXPECT %s (%s) %s \"%s\" match",
154	40466	olhs, lhs, cmp, rhs);
155	40466	}
156
157		/**********************************************************************
158		* Wait for a subprocess.
159		*
160		* if expect_signal > 0, the process must die on that signal.
161		* if expect_signal < 0, dying on that signal is allowed, but not required.
162		* if allow_core > 0, a coredump is allowed, but not required.
163		* otherwise, the process must die on exit(expect_status)
164		*/
165
166		void
167	5390	vtc_wait4(struct vtclog *vl, long pid,
168		int expect_status, int expect_signal, int allow_core)
169		{
170		int status, r;
171		struct rusage ru;
172
173	5390	r = wait4(pid, &status, 0, &ru);
174	5390	if (r < 0)
175	0	vtc_fatal(vl, "wait4 failed on pid %ld: %s",
176	0	pid, strerror(errno));
177	5390	assert(r == pid);
178	10780	vtc_log(vl, 2, "WAIT4 pid=%ld status=0x%04x (user %.6f sys %.6f)",
179	5390	pid, status,
180	5390	ru.ru_utime.tv_sec + 1e-6 * ru.ru_utime.tv_usec,
181	5390	ru.ru_stime.tv_sec + 1e-6 * ru.ru_stime.tv_usec
182		);
183
184	5390	if (WIFEXITED(status) && expect_signal <= 0 &&
185	5315	WEXITSTATUS(status) == expect_status)
186	5315	return;
187
188	75	if (expect_signal < 0)
189	75	expect_signal = -expect_signal;
190
191	75	if (WIFSIGNALED(status) && WCOREDUMP(status) <= allow_core &&
192	75	WTERMSIG(status) == expect_signal)
193	75	return;
194	0	vtc_log(vl, 1, "Expected exit: 0x%x signal: %d core: %d",
195	0	expect_status, expect_signal, allow_core);
196	0	vtc_fatal(vl, "Bad exit status: 0x%04x exit 0x%x signal %d core %d",
197	0	status,
198	0	WEXITSTATUS(status),
199	0	WIFSIGNALED(status) ? WTERMSIG(status) : 0,
200	0	WCOREDUMP(status));
201	5390	}
202
203		void *
204	5030	vtc_record(struct vtclog vl, int fd, struct vsb vsb)
205		{
206		char buf[BUFSIZ];
207		int i;
208
209	60256	while (1) {
210	60256	errno = 0;
211	60256	i = read(fd, buf, sizeof buf - 1);
212	60256	if (i > 0) {
213	55226	if (vsb != NULL)
214	10	VSB_bcat(vsb, buf, i);
215	55226	buf[i] = '\0';
216	55226	vtc_dump(vl, 3, "debug", buf, -2);
217	60256	} else if (i == 0 && errno == 0) {
218	5030	vtc_log(vl, 4, "STDOUT EOF");
219	5030	break;
220		} else {
221	0	vtc_log(vl, 4,
222		"STDOUT read failed with %d - %s.",
223	0	errno, strerror(errno));
224	0	break;
225		}
226		}
227	5030	return (NULL);
228		}
229