aboutsummaryrefslogtreecommitdiff
path: root/tests/ipcsupp.c
blob: 41f6468d8fbe6ea2cfbc636741885af2e09e73f9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
//
// Copyright 2019 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.com>
// Copyright 2018 Devolutions <info@devolutions.net>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt).  A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//

#include <string.h>

#include <nng/nng.h>
#include <nng/supplemental/ipc/ipc.h>

#include "convey.h"
#include "stubs.h"

static uint8_t loopback[4] = { 127, 0, 0, 1 };
static int     num         = 0;

TestMain("Supplemental IPC", {
	atexit(nng_fini);
	Convey("We can create a dialer and listener", {
		nng_ipc_dialer *  d;
		nng_ipc_listener *l;
		So(nng_ipc_dialer_alloc(&d) == 0);
		So(nng_ipc_listener_alloc(&l) == 0);
		Reset({
			nng_ipc_listener_close(l);
			nng_ipc_dialer_close(d);
			nng_ipc_listener_free(l);
			nng_ipc_dialer_free(d);
		});
		Convey("Listener listens (wildcard)", {
			nng_sockaddr sa;
			uint32_t     ip;

			memcpy(&ip, loopback, 4);

			num++;
			sa.s_ipc.sa_family = NNG_AF_IPC;
			snprintf(sa.s_ipc.sa_path, sizeof(sa.s_ipc.sa_path),
			    "/tmp/ipc_supp_test%d", num);

			So(nng_ipc_listener_listen(l, &sa) == 0);

			Convey("We can dial it", {
				nng_aio *daio = NULL;
				nng_aio *laio = NULL;
				nng_aio *maio = NULL;
				nng_ipc *c1   = NULL;
				nng_ipc *c2   = NULL;

				So(nng_aio_alloc(&daio, NULL, NULL) == 0);
				So(nng_aio_alloc(&laio, NULL, NULL) == 0);
				So(nng_aio_alloc(&maio, NULL, NULL) == 0);

				Reset({
					nng_aio_free(daio);
					nng_aio_free(laio);
					if (c1 != NULL) {
						nng_ipc_close(c1);
						nng_ipc_free(c1);
					}
					if (c2 != NULL) {
						nng_ipc_close(c2);
						nng_ipc_free(c2);
					}
				});

				nng_ipc_dialer_dial(d, &sa, daio);
				nng_ipc_listener_accept(l, laio);

				nng_aio_wait(daio);
				nng_aio_wait(laio);

				So(nng_aio_result(daio) == 0);
				So(nng_aio_result(laio) == 0);

				c1 = nng_aio_get_output(daio, 0);
				c2 = nng_aio_get_output(laio, 0);
				So(c1 != NULL);
				So(c2 != NULL);

				Convey("They exchange messages", {
					nng_aio *    aio1;
					nng_aio *    aio2;
					nng_iov      iov;
					nng_sockaddr sa2;
					char         buf1[5];
					char         buf2[5];

					So(nng_aio_alloc(&aio1, NULL, NULL) ==
					    0);
					So(nng_aio_alloc(&aio2, NULL, NULL) ==
					    0);

					Reset({
						nng_aio_free(aio1);
						nng_aio_free(aio2);
					});

					// This relies on send completing for
					// for just 5 bytes, and on recv doing
					// the same.  Technically this isn't
					// guaranteed, but it would be weird
					// to split such a small payload.
					memcpy(buf1, "TEST", 5);
					memset(buf2, 0, 5);
					iov.iov_buf = buf1;
					iov.iov_len = 5;

					nng_aio_set_iov(aio1, 1, &iov);

					iov.iov_buf = buf2;
					iov.iov_len = 5;
					nng_aio_set_iov(aio2, 1, &iov);
					nng_ipc_send(c1, aio1);
					nng_ipc_recv(c2, aio2);
					nng_aio_wait(aio1);
					nng_aio_wait(aio2);

					So(nng_aio_result(aio1) == 0);
					So(nng_aio_count(aio1) == 5);

					So(nng_aio_result(aio2) == 0);
					So(nng_aio_count(aio2) == 5);

					So(memcmp(buf1, buf2, 5) == 0);

					Convey("Socket name matches", {
						size_t rsz = sizeof(sa2);
						So(nng_ipc_getopt(c2,
						       NNG_OPT_LOCADDR, &sa2,
						       &rsz) == 0);
						So(sa2.s_ipc.sa_family ==
						    NNG_AF_IPC);
						So(strcmp(sa2.s_ipc.sa_path,
						       sa.s_ipc.sa_path) == 0);
					});
				});
			});
		});
	});
})