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 <sys/types.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);
}


		varnish-cache/bin/varnishtest/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 <sys/types.h>
33		#include <math.h>
34		#include <stdio.h>
35		#include <stdlib.h>
36		#include <string.h>
37		#include <stdint.h>
38		#include <unistd.h>
39		#include <sys/resource.h>
40
41		#include "vtc.h"
42
43		#include "vct.h"
44		#include "vnum.h"
45		#include "vre.h"
46
47		#include "vapi/vsig.h"
48
49		struct vsb *
50	13680	vtc_hex_to_bin(struct vtclog vl, const char arg)
51		{
52		struct vsb *vsb;
53	13680	unsigned sh = 4;
54	13680	unsigned c, b = 0;
55
56	13680	vsb = VSB_new_auto();
57	13680	AN(vsb);
58	500720	for (; *arg != '\0'; arg++) {
59	487040	if (vct_issp(arg) \|\| arg == '\n')
60	159600	continue;
61	327440	c = (uint8_t)*arg;
62	327440	if (c >= '0' && c <= '9')
63	273840	b \|= (c - 48U) << sh;
64	53600	else if (c >= 'A' && c <= 'F')
65	1280	b \|= (c - 55U) << sh;
66	52320	else if (c >= 'a' && c <= 'f')
67	52320	b \|= (c - 87U) << sh;
68		else
69	0	vtc_fatal(vl,"Illegal hex string");
70	327440	sh = 4 - sh;
71	327440	if (sh == 4) {
72	163720	VSB_putc(vsb, b);
73	163720	b = 0;
74	163720	}
75	327440	}
76	13680	if (sh != 4)
77	0	VSB_putc(vsb, b);
78	13680	AZ(VSB_finish(vsb));
79	13680	return (vsb);
80		}
81
82		void
83	293685	vtc_expect(struct vtclog *vl,
84		const char olhs, const char lhs,
85		const char *cmp,
86		const char orhs, const char rhs)
87		{
88		vre_t *vre;
89		struct vsb vsb[1];
90		int error, erroroffset;
91	293685	int i, j, retval = -1;
92		double fl, fr;
93		char errbuf[VRE_ERROR_LEN];
94
95	293685	j = lhs == NULL \|\| rhs == NULL;
96	293685	if (lhs == NULL)
97	9120	lhs = "<undef>";
98	293685	if (rhs == NULL)
99	80	rhs = "<undef>";
100
101	293685	if (!strcmp(cmp, "~") \|\| !strcmp(cmp, "!~")) {
102	2360	vre = VRE_compile(rhs, 0, &error, &erroroffset, 1);
103	2360	if (vre == NULL) {
104	0	AN(VSB_init(vsb, errbuf, sizeof errbuf));
105	0	AZ(VRE_error(vsb, error));
106	0	AZ(VSB_finish(vsb));
107	0	VSB_fini(vsb);
108	0	vtc_fatal(vl, "REGEXP error: %s (@%d) (%s)",
109	0	errbuf, erroroffset, rhs);
110		}
111	2360	i = VRE_match(vre, lhs, 0, 0, NULL);
112	2360	retval = (i >= 0 && cmp == '~') \|\| (i < 0 && cmp == '!');
113	2360	VRE_free(&vre);
114	293685	} else if (!strcmp(cmp, "==")) {
115	285605	retval = strcmp(lhs, rhs) == 0;
116	291325	} else if (!strcmp(cmp, "!=")) {
117	1640	retval = strcmp(lhs, rhs) != 0;
118	5720	} else if (!strcmp(cmp, "-lt")) {
119	80	retval = strtoul(lhs, NULL, 0) < strtoul(rhs, NULL, 0);
120	4080	} else if (!strcmp(cmp, "-le")) {
121	80	retval = strtoul(lhs, NULL, 0) <= strtoul(rhs, NULL, 0);
122	4000	} else if (!strcmp(cmp, "-eq")) {
123	360	retval = strtoul(lhs, NULL, 0) == strtoul(rhs, NULL, 0);
124	3920	} else if (!strcmp(cmp, "-ne")) {
125	0	retval = strtoul(lhs, NULL, 0) != strtoul(rhs, NULL, 0);
126	3560	} else if (!strcmp(cmp, "-ge")) {
127	80	retval = strtoul(lhs, NULL, 0) >= strtoul(rhs, NULL, 0);
128	3560	} else if (!strcmp(cmp, "-gt")) {
129	160	retval = strtoul(lhs, NULL, 0) > strtoul(rhs, NULL, 0);
130	3480	} else if (j) {
131		// fail inequality comparisons if either side is undef'ed
132	0	retval = 0;
133	0	} else {
134	3320	fl = VNUM(lhs);
135	3320	fr = VNUM(rhs);
136	3320	if (!strcmp(cmp, "<"))
137	280	retval = isless(fl, fr);
138	3040	else if (!strcmp(cmp, ">"))
139	1920	retval = isgreater(fl, fr);
140	1120	else if (!strcmp(cmp, "<="))
141	560	retval = islessequal(fl, fr);
142	560	else if (!strcmp(cmp, ">="))
143	560	retval = isgreaterequal(fl, fr);
144		}
145
146	293685	if (retval == -1)
147	0	vtc_fatal(vl,
148		"EXPECT %s (%s) %s %s (%s) test not implemented",
149	0	olhs, lhs, cmp, orhs, rhs);
150	293685	else if (retval == 0)
151	0	vtc_fatal(vl, "EXPECT %s (%s) %s \"%s\" failed",
152	0	olhs, lhs, cmp, rhs);
153		else
154	587370	vtc_log(vl, 4, "EXPECT %s (%s) %s \"%s\" match",
155	293685	olhs, lhs, cmp, rhs);
156	293685	}
157
158		/**********************************************************************
159		* Wait for a subprocess.
160		*
161		* if expect_signal > 0, the process must die on that signal.
162		* if expect_signal < 0, dying on that signal is allowed, but not required.
163		* if allow_core > 0, a coredump is allowed, but not required.
164		* otherwise, the process must die on exit(expect_status)
165		*/
166
167		void
168	40160	vtc_wait4(struct vtclog *vl, long pid,
169		int expect_status, int expect_signal, int allow_core)
170		{
171		int status, r;
172		struct rusage ru;
173
174	40160	r = wait4(pid, &status, 0, &ru);
175	40160	if (r < 0)
176	0	vtc_fatal(vl, "wait4 failed on pid %ld: %s",
177	0	pid, strerror(errno));
178	40160	assert(r == pid);
179	80320	vtc_log(vl, 2, "WAIT4 pid=%ld status=0x%04x (user %.6f sys %.6f)",
180	40160	pid, status,
181	40160	ru.ru_utime.tv_sec + 1e-6 * ru.ru_utime.tv_usec,
182	40160	ru.ru_stime.tv_sec + 1e-6 * ru.ru_stime.tv_usec
183		);
184
185	40160	if (WIFEXITED(status) && expect_signal <= 0 &&
186	39640	WEXITSTATUS(status) == expect_status)
187	39640	return;
188
189	520	if (expect_signal < 0)
190	520	expect_signal = -expect_signal;
191
192	520	if (WIFSIGNALED(status) && WCOREDUMP(status) <= allow_core &&
193	520	WTERMSIG(status) == expect_signal)
194	520	return;
195	0	vtc_log(vl, 1, "Expected exit: 0x%x signal: %d core: %d",
196	0	expect_status, expect_signal, allow_core);
197	0	vtc_fatal(vl, "Bad exit status: 0x%04x exit 0x%x signal %d core %d",
198	0	status,
199	0	WEXITSTATUS(status),
200	0	WIFSIGNALED(status) ? WTERMSIG(status) : 0,
201	0	WCOREDUMP(status));
202	40160	}
203
204		void *
205	37560	vtc_record(struct vtclog vl, int fd, struct vsb vsb)
206		{
207		char buf[BUFSIZ];
208		int i;
209
210	448002	while (1) {
211	448002	errno = 0;
212	448002	i = read(fd, buf, sizeof buf - 1);
213	448002	if (i > 0) {
214	410442	if (vsb != NULL)
215	80	VSB_bcat(vsb, buf, i);
216	410442	buf[i] = '\0';
217	410442	vtc_dump(vl, 3, "debug", buf, -2);
218	448002	} else if (i == 0 && errno == 0) {
219	37560	vtc_log(vl, 4, "STDOUT EOF");
220	37560	break;
221		} else {
222	0	vtc_log(vl, 4,
223		"STDOUT read failed with %d - %s.",
224	0	errno, strerror(errno));
225	0	break;
226		}
227		}
228	37560	return (NULL);
229		}
230