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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* File: sockpong.c
*
* Description:
* This test runs in conjunction with the sockping test.
* The sockping test creates a socket pair and passes one
* socket to this test. Then the sockping test writes
* "ping" to this test and this test writes "pong" back.
* To run this pair of tests, just invoke sockping.
*
* Tested areas: process creation, socket pairs, file
* descriptor inheritance.
*/
#include "prerror.h"
#include "prio.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define NUM_ITERATIONS 10
int main(int argc, char **argv)
{
PRFileDesc *sock;
PRStatus status;
char buf[1024];
PRInt32 nBytes;
int idx;
sock = PR_GetInheritedFD("SOCKET");
if (sock == NULL) {
fprintf(stderr, "PR_GetInheritedFD failed\n");
exit(1);
}
status = PR_SetFDInheritable(sock, PR_FALSE);
if (status == PR_FAILURE) {
fprintf(stderr, "PR_SetFDInheritable failed\n");
exit(1);
}
for (idx = 0; idx < NUM_ITERATIONS; idx++) {
memset(buf, 0, sizeof(buf));
nBytes = PR_Read(sock, buf, sizeof(buf));
if (nBytes == -1) {
fprintf(stderr, "PR_Read failed: (%d, %d)\n",
PR_GetError(), PR_GetOSError());
exit(1);
}
printf("pong process: received \"%s\"\n", buf);
if (nBytes != 5) {
fprintf(stderr, "pong process: expected 5 bytes but got %d bytes\n",
nBytes);
exit(1);
}
if (strcmp(buf, "ping") != 0) {
fprintf(stderr, "pong process: expected \"ping\" but got \"%s\"\n",
buf);
exit(1);
}
strcpy(buf, "pong");
printf("pong process: sending \"%s\"\n", buf);
nBytes = PR_Write(sock, buf, 5);
if (nBytes == -1) {
fprintf(stderr, "PR_Write failed\n");
exit(1);
}
}
status = PR_Close(sock);
if (status == PR_FAILURE) {
fprintf(stderr, "PR_Close failed\n");
exit(1);
}
return 0;
}
|
