File: server.c

package info (click to toggle)
ivykis 0.36.2-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 896 kB
  • ctags: 850
  • sloc: ansic: 6,785; makefile: 239
file content (165 lines) | stat: -rw-r--r-- 3,106 bytes parent folder | download | duplicates (9)
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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
/*
 * ivykis, an event handling library
 * Copyright (C) 2002, 2003 Lennert Buytenhek
 * Dedicated to Marija Kulikova.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version
 * 2.1 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 2.1 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License version 2.1 along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include <stdio.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h>
#include <fcntl.h>
#include <iv.h>
#include <signal.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>

struct handle {
	struct iv_fd fd;
	int port;
};


static int conns;

static void handler(void *_h)
{
	struct handle *h = (struct handle *)_h;
	struct sockaddr_in addr;
	socklen_t addrlen;
	int ret;

	addrlen = sizeof(addr);
	ret = accept(h->fd.fd, (struct sockaddr *)&addr, &addrlen);
	if (ret > 0) {
		char buf[128];
		int len;

		len = snprintf(buf, 128, "this is port %d\n", h->port);
		write(ret, buf, len);
		close(ret);

		if (!(++conns % 10000))
			printf("%i\n", conns);
	}
}

static void create_handle(struct handle *h, int port)
{
	struct sockaddr_in addr;
	int sock;
	int yes;

	sock = socket(AF_INET, SOCK_STREAM, 0);
	if (sock < 0) {
		perror("socket");
		exit(1);
	}

	yes = 1;
	if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
		       &yes, sizeof(yes)) < 0) {
		perror("setsockopt");
		exit(1);
	}

	addr.sin_family = AF_INET;
	addr.sin_addr.s_addr = htonl(INADDR_ANY);
	addr.sin_port = htons(port);
	if (bind(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
		perror("bind");
		exit(1);
	}

	listen(sock, 5);

	IV_FD_INIT(&h->fd);
	h->fd.fd = sock;
	h->fd.handler_in = handler;
	h->fd.handler_out = NULL;
	h->fd.cookie = h;
	h->port = port;
	iv_fd_register(&h->fd);
}

static void create_run_handles(int fp, int numhandles)
{
	struct handle hh[numhandles];
	int i;

	printf("entering main loop for ports %d..%d\n",
	       fp, fp + numhandles - 1);

	for (i = 0; i < numhandles; i++)
		create_handle(hh + i, fp + i);

	iv_main();

	iv_deinit();
}


#ifndef __hpux__
#define NUMPORTS	100
#else
#define NUMPORTS	4
#endif

#ifdef THREAD
#include <pthread.h>

static void *thr(void *_fp)
{
	int fp = (int)(unsigned long)_fp;

	iv_init();

	create_run_handles(fp, NUMPORTS);

	return NULL;
}

int main()
{
	int i;

	iv_init();

	for (i = 1; i < 10; i++) {
		unsigned long fp = 20000 + i * NUMPORTS;
		pthread_t id;

		pthread_create(&id, NULL, thr, (void *)fp);
	}

	create_run_handles(20000, NUMPORTS);

	return 0;
}
#else
int main()
{
	iv_init();

	create_run_handles(20000, 10 * NUMPORTS);

	return 0;
}
#endif