/****************************************************************************
* examples/nettest/nettest-client.c
*
* Copyright (C) 2007, 2011-2012, 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name Gregory Nutt nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include "config.h"
#include <sys/socket.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <arpa/inet.h>
#include "nettest.h"
/****************************************************************************
* Public Functions
****************************************************************************/
void send_client(void)
{
#ifdef CONFIG_EXAMPLES_NETTEST_IPv6
struct sockaddr_in6 myaddr;
#else
struct sockaddr_in myaddr;
#endif
char *outbuf;
#ifndef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
char *inbuf;
#endif
int sockfd;
socklen_t addrlen;
int nbytessent;
#ifndef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
int nbytesrecvd;
int totalbytesrecvd;
#endif
int ch;
int i;
/* Allocate buffers */
outbuf = (char*)malloc(SENDSIZE);
#ifndef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
inbuf = (char*)malloc(SENDSIZE);
if (!outbuf || !inbuf)
#else
if (!outbuf)
#endif
{
printf("client: failed to allocate buffers\n");
exit(1);
}
/* Create a new TCP socket */
sockfd = socket(PF_INETX, SOCK_STREAM, 0);
if (sockfd < 0)
{
printf("client socket failure %d\n", errno);
goto errout_with_buffers;
}
/* Connect the socket to the server */
#ifdef CONFIG_EXAMPLES_NETTEST_IPv6
myaddr.sin6_family = AF_INET6;
myaddr.sin6_port = HTONS(PORTNO);
#ifdef CONFIG_EXAMPLES_NETTEST_LOOPBACK
myaddr.sin6_addr.s6_addr16[0] = 0;
myaddr.sin6_addr.s6_addr16[1] = 0;
myaddr.sin6_addr.s6_addr16[2] = 0;
myaddr.sin6_addr.s6_addr16[3] = 0;
myaddr.sin6_addr.s6_addr16[4] = 0;
myaddr.sin6_addr.s6_addr16[5] = 0;
myaddr.sin6_addr.s6_addr16[6] = 0;
myaddr.sin6_addr.s6_addr16[7] = HTONS(1);
#else
myaddr.sin6_addr.s6_addr16[0] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_1);
myaddr.sin6_addr.s6_addr16[1] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_2);
myaddr.sin6_addr.s6_addr16[2] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_3);
myaddr.sin6_addr.s6_addr16[3] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_4);
myaddr.sin6_addr.s6_addr16[4] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_5);
myaddr.sin6_addr.s6_addr16[5] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_6);
myaddr.sin6_addr.s6_addr16[6] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_7);
myaddr.sin6_addr.s6_addr16[7] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_8);
#endif
addrlen = sizeof(struct sockaddr_in6);
#else
myaddr.sin_family = AF_INET;
myaddr.sin_port = HTONS(PORTNO);
#ifdef CONFIG_EXAMPLES_NETTEST_LOOPBACK
myaddr.sin_addr.s_addr = HTONL(0x7f000001);
#else
myaddr.sin_addr.s_addr = HTONL(CONFIG_EXAMPLES_NETTEST_CLIENTIP);
#endif
addrlen = sizeof(struct sockaddr_in);
#endif
printf("client: Connecting...\n");
if (connect( sockfd, (struct sockaddr*)&myaddr, addrlen) < 0)
{
printf("client: connect failure: %d\n", errno);
goto errout_with_socket;
}
printf("client: Connected\n");
/* Initialize the buffer */
ch = 0x20;
for (i = 0; i < SENDSIZE; i++ )
{
outbuf[i] = ch;
if (++ch > 0x7e)
{
ch = 0x20;
}
}
#ifdef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
/* Then send messages forever */
for (;;)
{
nbytessent = send(sockfd, outbuf, SENDSIZE, 0);
if (nbytessent < 0)
{
printf("client: send failed: %d\n", errno);
goto errout_with_socket;
}
else if (nbytessent != SENDSIZE)
{
printf("client: Bad send length=%d: %d of \n",
nbytessent, SENDSIZE);
goto errout_with_socket;
}
printf("Sent %d bytes\n", nbytessent);
}
#else
/* Then send and receive one message */
printf("client: Sending %d bytes\n", SENDSIZE);
nbytessent = send(sockfd, outbuf, SENDSIZE, 0);
printf("client: Sent %d bytes\n", nbytessent);
if (nbytessent < 0)
{
printf("client: send failed: %d\n", errno);
goto errout_with_socket;
}
else if (nbytessent != SENDSIZE)
{
printf("client: Bad send length: %d Expected: %d\n", nbytessent, SENDSIZE);
goto errout_with_socket;
}
totalbytesrecvd = 0;
do
{
printf("client: Receiving...\n");
nbytesrecvd = recv(sockfd, &inbuf[totalbytesrecvd], SENDSIZE - totalbytesrecvd, 0);
if (nbytesrecvd < 0)
{
printf("client: recv failed: %d\n", errno);
goto errout_with_socket;
}
else if (nbytesrecvd == 0)
{
printf("client: The server closed the connection\n");
goto errout_with_socket;
}
totalbytesrecvd += nbytesrecvd;
printf("client: Received %d of %d bytes\n", totalbytesrecvd, SENDSIZE);
}
while (totalbytesrecvd < SENDSIZE);
if (totalbytesrecvd != SENDSIZE)
{
printf("client: Bad recv length: %d Expected: %d\n", totalbytesrecvd, SENDSIZE);
goto errout_with_socket;
}
else if (memcmp(inbuf, outbuf, SENDSIZE) != 0)
{
printf("client: Received buffer does not match sent buffer\n");
goto errout_with_socket;
}
close(sockfd);
free(outbuf);
#ifndef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
free(inbuf);
#endif
return;
#endif
errout_with_socket:
close(sockfd);
errout_with_buffers:
free(outbuf);
#ifndef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
free(inbuf);
#endif
exit(1);
}