Newer
Older
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
/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* Simple echo daemon, designed to be used for network throughput
* benchmarks. The aim is to allow us to monitor changes in performance
* of APR networking code, nothing more.
*/
#include <stdio.h>
#include <stdlib.h> /* for atexit() */
#include "apr.h"
#include "apr_network_io.h"
#include "apr_strings.h"
#define BUF_SIZE 4096
static void reportError(const char *msg, apr_status_t rv,
apr_pool_t *pool)
{
fprintf(stderr, "%s\nError: %d\n'%s'\n", msg, rv,
apr_psprintf(pool, "%pm", &rv));
}
static apr_status_t talkTalk(apr_socket_t *socket, apr_pool_t *parent)
{
apr_pool_t *pool;
apr_size_t len;
char *buf;
apr_status_t rv;
if (apr_pool_create(&pool, parent) != APR_SUCCESS)
return APR_ENOPOOL;
buf = apr_palloc(pool, BUF_SIZE);
if (!buf)
return ENOMEM;
do {
len = BUF_SIZE;
rv = apr_socket_recv(socket, buf, &len);
if (APR_STATUS_IS_EOF(rv) || len == 0 || rv != APR_SUCCESS)
break;
rv = apr_socket_send(socket, buf, &len);
if (len == 0 || rv != APR_SUCCESS)
break;
} while (rv == APR_SUCCESS);
apr_pool_clear(pool);
return APR_SUCCESS;
}
static apr_status_t glassToWall(apr_port_t port, apr_pool_t *parent)
{
apr_sockaddr_t *sockAddr;
apr_socket_t *listener, *accepted;
apr_status_t rv;
rv = apr_socket_create(&listener, APR_INET, SOCK_STREAM, APR_PROTO_TCP,
parent);
if (rv != APR_SUCCESS) {
reportError("Unable to create socket", rv, parent);
return rv;
}
rv = apr_sockaddr_info_get(&sockAddr, "127.0.0.1", APR_UNSPEC,
port, 0, parent);
if (rv != APR_SUCCESS) {
reportError("Unable to get socket info", rv, parent);
apr_socket_close(listener);
return rv;
}
if ((rv = apr_socket_bind(listener, sockAddr)) != APR_SUCCESS ||
(rv = apr_socket_listen(listener, 5)) != APR_SUCCESS) {
reportError("Unable to bind or listen to socket", rv, parent);
apr_socket_close(listener);
return rv;
}
for (;;) {
rv = apr_socket_accept(&accepted, listener, parent);
if (rv != APR_SUCCESS) {
reportError("Error accepting on socket", rv, parent);
break;
}
printf("\tAnswering connection\n");
rv = talkTalk(accepted, parent);
apr_socket_close(accepted);
printf("\tConnection closed\n");
if (rv != APR_SUCCESS)
break;
}
apr_socket_close(listener);
return APR_SUCCESS;
}
int main(int argc, char **argv)
{
apr_pool_t *pool;
apr_port_t theport = 4747;
printf("APR Test Application: echod\n");
apr_initialize();
atexit(apr_terminate);
apr_pool_create(&pool, NULL);
if (argc >= 2) {
printf("argc = %d, port = '%s'\n", argc, argv[1]);
theport = atoi(argv[1]);
}
fprintf(stdout, "Starting to listen on port %d\n", theport);
glassToWall(theport, pool);
return 0;
}