xref: /freebsd/contrib/sendmail/libsm/t-notify.c (revision f374ba41f55c1a127303d92d830dd58eef2f5243)
1 /*
2  * Copyright (c) 2016 Proofpoint, Inc. and its suppliers.
3  *      All rights reserved.
4  *
5  * By using this file, you agree to the terms and conditions set
6  * forth in the LICENSE file which can be found at the top level of
7  * the sendmail distribution.
8  */
9 
10 #include <sm/gen.h>
11 
12 #include <stdio.h>
13 
14 #if _FFR_DMTRIGGER || _FFR_NOTIFY
15 # include <stdlib.h>
16 # include <unistd.h>
17 # include <errno.h>
18 # include <sm/heap.h>
19 # include <sm/string.h>
20 # include <sm/test.h>
21 # include <sm/notify.h>
22 # include <sm/conf.h>
23 
24 /*
25 **  NOTIFY_WR -- test of notify feature
26 **
27 **	Parameters:
28 **		pid -- pid of process
29 **
30 **	Returns:
31 **		0 on success
32 **		< 0 on failure
33 */
34 
35 static int
36 notify_wr(pid)
37 	pid_t pid;
38 {
39 	int r;
40 	size_t len;
41 	char buf[64];
42 #define TSTSTR "qf0001"
43 
44 	r = sm_notify_start(false, 0);
45 	if (r < 0)
46 	{
47 		perror("sm_notify_start failed");
48 		return -1;
49 	}
50 
51 	len = sm_snprintf(buf, sizeof(buf), "%s-%ld", TSTSTR, (long) pid);
52 	r = sm_notify_snd(buf, len);
53 	SM_TEST(r >= 0);
54 	return r;
55 }
56 
57 /*
58 **  NOTIFY_RD -- test of notify feature
59 **
60 **	Parameters:
61 **
62 **	Returns:
63 **		0 on success
64 **		< 0 on failure
65 */
66 
67 static int
68 notify_rd(nproc)
69 	int nproc;
70 {
71 	int r, i;
72 	char buf[64];
73 #define TSTSTR "qf0001"
74 
75 	r = sm_notify_start(true, 0);
76 	if (r < 0)
77 	{
78 		perror("sm_notify_start failed");
79 		return -1;
80 	}
81 
82 	for (i = 0; i < nproc; i++)
83 	{
84 		r = sm_notify_rcv(buf, sizeof(buf), 5 * SM_MICROS);
85 		SM_TEST(r >= 0);
86 		if (r < 0)
87 		{
88 			fprintf(stderr, "rcv=%d\n", r);
89 			return r;
90 		}
91 		if (r > 0 && r < sizeof(buf))
92 			buf[r] = '\0';
93 		buf[sizeof(buf) - 1] = '\0';
94 		SM_TEST(strncmp(buf, TSTSTR, sizeof(TSTSTR) - 1) == 0);
95 		SM_TEST(r > sizeof(TSTSTR));
96 		fprintf(stderr, "buf=\"%s\"\n", buf);
97 	}
98 	return 0;
99 }
100 
101 int
102 main(argc, argv)
103 	int argc;
104 	char *argv[];
105 {
106 	int i;
107 	int r = 0;
108 	int nproc = 1;
109 	pid_t pid;
110 
111 # define OPTIONS	"p:"
112 	while ((i = getopt(argc, argv, OPTIONS)) != -1)
113 	{
114 		switch ((char) i)
115 		{
116 		  case 'p':
117 			nproc = atoi(optarg);
118 			if (nproc < 1)
119 			{
120 				errno = EINVAL;
121 				perror("-p: must be >0\n");
122 				return r;
123 			}
124 			break;
125 		  default:
126 			break;
127 		}
128 	}
129 
130 	sm_test_begin(argc, argv, "test notify");
131 	r = sm_notify_init(0);
132 	SM_TEST(r >= 0);
133 	if (r < 0)
134 	{
135 		perror("sm_notify_init failed\n");
136 		return r;
137 	}
138 
139 	pid = 0;
140 	for (i = 0; i < nproc; i++)
141 	{
142 		if ((pid = fork()) < 0)
143 		{
144 			perror("fork failed\n");
145 			return -1;
146 		}
147 
148 		if (pid == 0)
149 		{
150 			/* give the parent the chance to set up data */
151 			sleep(1);
152 			r = notify_wr(getpid());
153 			break;
154 		}
155 	}
156 	if (pid > 0)
157 		r = notify_rd(nproc);
158 	SM_TEST(r >= 0);
159 	return sm_test_end();
160 }
161 #else /* _FFR_DMTRIGGER */
162 int
163 main(argc, argv)
164 	int argc;
165 	char *argv[];
166 {
167 	printf("SKIPPED: no _FFR_DMTRIGGER\n");
168 	return 0;
169 }
170 #endif /* _FFR_DMTRIGGER */
171