2011-03-20 19:18:19 +01:00
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/****************************************************************************
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* examples/nettest/nettest-server.c
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*
|
2015-01-21 01:12:27 +01:00
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|
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* Copyright (C) 2007, 2011-2012, 2015 Gregory Nutt. All rights reserved.
|
2011-12-13 18:56:14 +01:00
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* Author: Gregory Nutt <gnutt@nuttx.org>
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2011-03-20 19:18:19 +01:00
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name Gregory Nutt nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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2015-01-21 01:12:27 +01:00
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|
|
#include "config.h"
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|
|
|
|
2011-03-20 19:18:19 +01:00
|
|
|
#include <sys/types.h>
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|
|
#include <sys/socket.h>
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|
|
|
#include <netinet/in.h>
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|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
2015-01-21 01:12:27 +01:00
|
|
|
#include <string.h>
|
2011-03-20 19:18:19 +01:00
|
|
|
#include <unistd.h>
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|
|
|
#include <errno.h>
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|
|
|
|
2014-07-05 03:13:08 +02:00
|
|
|
#include <arpa/inet.h>
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|
|
|
2011-03-20 19:18:19 +01:00
|
|
|
#include "nettest.h"
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|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Public Functions
|
|
|
|
****************************************************************************/
|
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|
|
|
2017-06-25 17:15:27 +02:00
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|
|
void nettest_server(void)
|
2011-03-20 19:18:19 +01:00
|
|
|
{
|
2015-01-21 01:12:27 +01:00
|
|
|
#ifdef CONFIG_EXAMPLES_NETTEST_IPv6
|
|
|
|
struct sockaddr_in6 myaddr;
|
|
|
|
#else
|
2011-03-20 19:18:19 +01:00
|
|
|
struct sockaddr_in myaddr;
|
2015-01-21 01:12:27 +01:00
|
|
|
#endif
|
2011-03-20 19:18:19 +01:00
|
|
|
#ifdef NETTEST_HAVE_SOLINGER
|
|
|
|
struct linger ling;
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|
|
|
#endif
|
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|
|
char *buffer;
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|
|
|
int listensd;
|
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|
|
int acceptsd;
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|
|
|
socklen_t addrlen;
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|
|
|
int nbytesread;
|
2012-10-04 19:36:07 +02:00
|
|
|
#ifndef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
|
2011-03-20 19:18:19 +01:00
|
|
|
int totalbytesread;
|
|
|
|
int nbytessent;
|
|
|
|
int ch;
|
|
|
|
int i;
|
|
|
|
#endif
|
|
|
|
int optval;
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|
|
|
|
|
|
|
/* Allocate a BIG buffer */
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|
|
|
2020-05-21 22:17:48 +02:00
|
|
|
buffer = malloc(2*SENDSIZE);
|
2011-03-20 19:18:19 +01:00
|
|
|
if (!buffer)
|
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: failed to allocate buffer\n");
|
2011-03-20 19:18:19 +01:00
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Create a new TCP socket */
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|
|
|
2015-01-21 01:12:27 +01:00
|
|
|
listensd = socket(PF_INETX, SOCK_STREAM, 0);
|
2011-03-20 19:18:19 +01:00
|
|
|
if (listensd < 0)
|
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: socket failure: %d\n", errno);
|
2011-03-20 19:18:19 +01:00
|
|
|
goto errout_with_buffer;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set socket to reuse address */
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|
|
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|
|
optval = 1;
|
2020-05-21 22:17:48 +02:00
|
|
|
if (setsockopt(listensd, SOL_SOCKET, SO_REUSEADDR,
|
|
|
|
(void *)&optval, sizeof(int)) < 0)
|
2011-03-20 19:18:19 +01:00
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: setsockopt SO_REUSEADDR failure: %d\n", errno);
|
2011-03-20 19:18:19 +01:00
|
|
|
goto errout_with_listensd;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Bind the socket to a local address */
|
|
|
|
|
2015-01-21 01:12:27 +01:00
|
|
|
#ifdef CONFIG_EXAMPLES_NETTEST_IPv6
|
2017-04-04 23:13:11 +02:00
|
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|
|
2020-05-21 22:17:48 +02:00
|
|
|
myaddr.sin6_family = AF_INET6;
|
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|
|
myaddr.sin6_port = HTONS(CONFIG_EXAMPLES_NETTEST_SERVER_PORTNO);
|
2017-04-04 23:13:11 +02:00
|
|
|
#if defined(CONFIG_EXAMPLES_NETTEST_LOOPBACK) && !defined(NET_LOOPBACK)
|
2020-05-21 22:17:48 +02:00
|
|
|
memcpy(myaddr.sin6_addr.s6_addr16,
|
|
|
|
g_nettestserver_ipv6, 8 * sizeof(uint16_t));
|
2017-04-04 23:13:11 +02:00
|
|
|
#else
|
2017-06-23 20:21:13 +02:00
|
|
|
memset(myaddr.sin6_addr.s6_addr16, 0, 8 * sizeof(uint16_t));
|
2017-04-04 23:13:11 +02:00
|
|
|
#endif
|
2015-01-21 01:12:27 +01:00
|
|
|
addrlen = sizeof(struct sockaddr_in6);
|
2017-06-23 20:21:13 +02:00
|
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|
|
2020-05-21 22:17:48 +02:00
|
|
|
printf("Binding to Address: %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
|
2017-06-23 20:21:13 +02:00
|
|
|
myaddr.sin6_addr.s6_addr16[0], myaddr.sin6_addr.s6_addr16[1],
|
|
|
|
myaddr.sin6_addr.s6_addr16[2], myaddr.sin6_addr.s6_addr16[3],
|
|
|
|
myaddr.sin6_addr.s6_addr16[4], myaddr.sin6_addr.s6_addr16[5],
|
|
|
|
myaddr.sin6_addr.s6_addr16[6], myaddr.sin6_addr.s6_addr16[7]);
|
2015-01-21 01:12:27 +01:00
|
|
|
#else
|
2020-05-21 22:17:48 +02:00
|
|
|
myaddr.sin_family = AF_INET;
|
|
|
|
myaddr.sin_port = HTONS(CONFIG_EXAMPLES_NETTEST_SERVER_PORTNO);
|
2017-04-04 23:13:11 +02:00
|
|
|
|
|
|
|
#if defined(CONFIG_EXAMPLES_NETTEST_LOOPBACK) && !defined(NET_LOOPBACK)
|
2020-05-21 22:17:48 +02:00
|
|
|
myaddr.sin_addr.s_addr = (in_addr_t)g_nettestserver_ipv4;
|
2017-04-04 23:13:11 +02:00
|
|
|
#else
|
2020-05-21 22:17:48 +02:00
|
|
|
myaddr.sin_addr.s_addr = INADDR_ANY;
|
2017-04-04 23:13:11 +02:00
|
|
|
#endif
|
2015-01-21 01:12:27 +01:00
|
|
|
addrlen = sizeof(struct sockaddr_in);
|
2017-06-23 20:21:13 +02:00
|
|
|
|
|
|
|
printf("Binding to IPv4 Address: %08lx\n",
|
|
|
|
(unsigned long)myaddr.sin_addr.s_addr);
|
2015-01-21 01:12:27 +01:00
|
|
|
#endif
|
|
|
|
|
2020-05-21 22:17:48 +02:00
|
|
|
if (bind(listensd, (struct sockaddr *)&myaddr, addrlen) < 0)
|
2011-03-20 19:18:19 +01:00
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: bind failure: %d\n", errno);
|
2011-03-20 19:18:19 +01:00
|
|
|
goto errout_with_listensd;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Listen for connections on the bound TCP socket */
|
|
|
|
|
|
|
|
if (listen(listensd, 5) < 0)
|
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: listen failure %d\n", errno);
|
2011-03-20 19:18:19 +01:00
|
|
|
goto errout_with_listensd;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Accept only one connection */
|
|
|
|
|
2017-06-23 20:21:13 +02:00
|
|
|
printf("server: Accepting connections on port %d\n",
|
|
|
|
CONFIG_EXAMPLES_NETTEST_SERVER_PORTNO);
|
2020-05-21 22:17:48 +02:00
|
|
|
acceptsd = accept(listensd, (struct sockaddr *)&myaddr, &addrlen);
|
2011-03-20 19:18:19 +01:00
|
|
|
if (acceptsd < 0)
|
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: accept failure: %d\n", errno);
|
2011-03-20 19:18:19 +01:00
|
|
|
goto errout_with_listensd;
|
|
|
|
}
|
2015-01-21 01:12:27 +01:00
|
|
|
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: Connection accepted -- receiving\n");
|
2011-03-20 19:18:19 +01:00
|
|
|
|
|
|
|
/* Configure to "linger" until all data is sent when the socket is closed */
|
|
|
|
|
|
|
|
#ifdef NETTEST_HAVE_SOLINGER
|
2014-02-25 23:41:11 +01:00
|
|
|
ling.l_onoff = 1;
|
|
|
|
ling.l_linger = 30; /* timeout is seconds */
|
|
|
|
|
2020-05-21 22:17:48 +02:00
|
|
|
if (setsockopt(acceptsd, SOL_SOCKET, SO_LINGER,
|
|
|
|
&ling, sizeof(struct linger)) < 0)
|
2014-02-25 23:41:11 +01:00
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: setsockopt SO_LINGER failure: %d\n", errno);
|
2011-03-20 19:18:19 +01:00
|
|
|
goto errout_with_acceptsd;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2012-10-04 19:36:07 +02:00
|
|
|
#ifdef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
|
2011-03-20 19:18:19 +01:00
|
|
|
/* Then receive data forever */
|
|
|
|
|
2020-05-21 22:17:48 +02:00
|
|
|
for (; ; )
|
2011-03-20 19:18:19 +01:00
|
|
|
{
|
|
|
|
nbytesread = recv(acceptsd, buffer, 2*SENDSIZE, 0);
|
2012-02-18 19:13:30 +01:00
|
|
|
if (nbytesread < 0)
|
2011-03-20 19:18:19 +01:00
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: recv failed: %d\n", errno);
|
2011-03-20 19:18:19 +01:00
|
|
|
goto errout_with_acceptsd;
|
|
|
|
}
|
2012-02-18 19:13:30 +01:00
|
|
|
else if (nbytesread == 0)
|
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: The client broke the connection\n");
|
2012-02-18 19:13:30 +01:00
|
|
|
goto errout_with_acceptsd;
|
|
|
|
}
|
2015-08-27 19:46:42 +02:00
|
|
|
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("Received %d bytes\n", nbytesread);
|
2011-03-20 19:18:19 +01:00
|
|
|
}
|
|
|
|
#else
|
2015-01-21 01:12:27 +01:00
|
|
|
|
2011-03-20 19:18:19 +01:00
|
|
|
/* Receive canned message */
|
|
|
|
|
|
|
|
totalbytesread = 0;
|
|
|
|
while (totalbytesread < SENDSIZE)
|
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: Reading...\n");
|
2020-05-21 22:17:48 +02:00
|
|
|
nbytesread = recv(acceptsd, &buffer[totalbytesread],
|
|
|
|
2 * SENDSIZE - totalbytesread, 0);
|
2012-02-18 19:13:30 +01:00
|
|
|
if (nbytesread < 0)
|
2011-03-20 19:18:19 +01:00
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: recv failed: %d\n", errno);
|
2011-03-20 19:18:19 +01:00
|
|
|
goto errout_with_acceptsd;
|
|
|
|
}
|
2012-02-18 19:13:30 +01:00
|
|
|
else if (nbytesread == 0)
|
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: The client broke the connection\n");
|
2012-02-18 19:13:30 +01:00
|
|
|
goto errout_with_acceptsd;
|
|
|
|
}
|
2011-03-20 19:18:19 +01:00
|
|
|
|
|
|
|
totalbytesread += nbytesread;
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: Received %d of %d bytes\n", totalbytesread, SENDSIZE);
|
2011-03-20 19:18:19 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Verify the message */
|
|
|
|
|
|
|
|
if (totalbytesread != SENDSIZE)
|
|
|
|
{
|
2020-05-21 22:17:48 +02:00
|
|
|
printf("server: Received %d / Expected %d bytes\n",
|
|
|
|
totalbytesread, SENDSIZE);
|
2011-03-20 19:18:19 +01:00
|
|
|
goto errout_with_acceptsd;
|
|
|
|
}
|
|
|
|
|
|
|
|
ch = 0x20;
|
|
|
|
for (i = 0; i < SENDSIZE; i++ )
|
|
|
|
{
|
|
|
|
if (buffer[i] != ch)
|
|
|
|
{
|
2020-05-21 22:17:48 +02:00
|
|
|
printf("server: Byte %d is %02x / Expected %02x\n",
|
|
|
|
i, buffer[i], ch);
|
2011-03-20 19:18:19 +01:00
|
|
|
goto errout_with_acceptsd;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (++ch > 0x7e)
|
|
|
|
{
|
|
|
|
ch = 0x20;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Then send the same data back to the client */
|
|
|
|
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: Sending %d bytes\n", totalbytesread);
|
2011-03-20 19:18:19 +01:00
|
|
|
nbytessent = send(acceptsd, buffer, totalbytesread, 0);
|
|
|
|
if (nbytessent <= 0)
|
|
|
|
{
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: send failed: %d\n", errno);
|
2011-03-20 19:18:19 +01:00
|
|
|
goto errout_with_acceptsd;
|
|
|
|
}
|
2015-01-21 01:12:27 +01:00
|
|
|
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: Sent %d bytes\n", nbytessent);
|
2011-03-20 19:18:19 +01:00
|
|
|
|
2020-05-21 22:17:48 +02:00
|
|
|
/* If this platform only does abortive disconnects, then wait a bit to get
|
|
|
|
* the client side a change to receive the data.
|
2011-03-20 19:18:19 +01:00
|
|
|
*/
|
|
|
|
|
|
|
|
#if 1 /* Do it for all platforms */
|
2014-10-08 16:33:00 +02:00
|
|
|
printf("server: Wait before closing\n");
|
2015-08-27 19:46:42 +02:00
|
|
|
sleep(2);
|
2011-03-20 19:18:19 +01:00
|
|
|
#endif
|
|
|
|
|
2015-08-27 19:46:42 +02:00
|
|
|
printf("server: Terminating\n");
|
2011-03-20 19:18:19 +01:00
|
|
|
close(listensd);
|
|
|
|
close(acceptsd);
|
|
|
|
free(buffer);
|
|
|
|
return;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
errout_with_acceptsd:
|
|
|
|
close(acceptsd);
|
|
|
|
|
|
|
|
errout_with_listensd:
|
|
|
|
close(listensd);
|
|
|
|
|
|
|
|
errout_with_buffer:
|
|
|
|
free(buffer);
|
|
|
|
exit(1);
|
|
|
|
}
|