253 lines
7.3 KiB
C
253 lines
7.3 KiB
C
/****************************************************************************
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* examples/nettest/nettest-client.c
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*
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* Copyright (C) 2007, 2011-2012, 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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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#include "config.h"
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <arpa/inet.h>
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#include "nettest.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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void send_client(void)
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{
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#ifdef CONFIG_EXAMPLES_NETTEST_IPv6
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struct sockaddr_in6 myaddr;
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#else
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struct sockaddr_in myaddr;
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#endif
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char *outbuf;
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#ifndef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
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char *inbuf;
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#endif
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int sockfd;
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socklen_t addrlen;
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int nbytessent;
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#ifndef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
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int nbytesrecvd;
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int totalbytesrecvd;
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#endif
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int ch;
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int i;
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/* Allocate buffers */
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outbuf = (char*)malloc(SENDSIZE);
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#ifndef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
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inbuf = (char*)malloc(SENDSIZE);
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if (!outbuf || !inbuf)
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#else
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if (!outbuf)
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#endif
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{
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printf("client: failed to allocate buffers\n");
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exit(1);
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}
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/* Create a new TCP socket */
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sockfd = socket(PF_INETX, SOCK_STREAM, 0);
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if (sockfd < 0)
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{
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printf("client socket failure %d\n", errno);
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goto errout_with_buffers;
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}
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/* Connect the socket to the server */
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#ifdef CONFIG_EXAMPLES_NETTEST_IPv6
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myaddr.sin6_family = AF_INET6;
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myaddr.sin6_port = HTONS(PORTNO);
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#ifdef CONFIG_EXAMPLES_NETTEST_LOOPBACK
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myaddr.sin6_addr.s6_addr16[0] = 0;
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myaddr.sin6_addr.s6_addr16[1] = 0;
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myaddr.sin6_addr.s6_addr16[2] = 0;
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myaddr.sin6_addr.s6_addr16[3] = 0;
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myaddr.sin6_addr.s6_addr16[4] = 0;
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myaddr.sin6_addr.s6_addr16[5] = 0;
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myaddr.sin6_addr.s6_addr16[6] = 0;
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myaddr.sin6_addr.s6_addr16[7] = HTONS(1);
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#else
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myaddr.sin6_addr.s6_addr16[0] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_1);
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myaddr.sin6_addr.s6_addr16[1] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_2);
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myaddr.sin6_addr.s6_addr16[2] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_3);
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myaddr.sin6_addr.s6_addr16[3] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_4);
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myaddr.sin6_addr.s6_addr16[4] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_5);
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myaddr.sin6_addr.s6_addr16[5] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_6);
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myaddr.sin6_addr.s6_addr16[6] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_7);
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myaddr.sin6_addr.s6_addr16[7] = HTONS(CONFIG_EXAMPLES_NETTEST_CLIENTIPv6ADDR_8);
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#endif
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addrlen = sizeof(struct sockaddr_in6);
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#else
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myaddr.sin_family = AF_INET;
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myaddr.sin_port = HTONS(PORTNO);
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#ifdef CONFIG_EXAMPLES_NETTEST_LOOPBACK
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myaddr.sin_addr.s_addr = HTONL(0x7f000001);
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#else
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myaddr.sin_addr.s_addr = HTONL(CONFIG_EXAMPLES_NETTEST_CLIENTIP);
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#endif
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addrlen = sizeof(struct sockaddr_in);
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#endif
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printf("client: Connecting...\n");
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if (connect( sockfd, (struct sockaddr*)&myaddr, addrlen) < 0)
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{
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printf("client: connect failure: %d\n", errno);
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goto errout_with_socket;
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}
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printf("client: Connected\n");
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/* Initialize the buffer */
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ch = 0x20;
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for (i = 0; i < SENDSIZE; i++ )
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{
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outbuf[i] = ch;
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if (++ch > 0x7e)
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{
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ch = 0x20;
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}
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}
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#ifdef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
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/* Then send messages forever */
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for (;;)
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{
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nbytessent = send(sockfd, outbuf, SENDSIZE, 0);
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if (nbytessent < 0)
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{
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printf("client: send failed: %d\n", errno);
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goto errout_with_socket;
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}
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else if (nbytessent != SENDSIZE)
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{
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printf("client: Bad send length=%d: %d of \n",
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nbytessent, SENDSIZE);
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goto errout_with_socket;
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}
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printf("Sent %d bytes\n", nbytessent);
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}
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#else
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/* Then send and receive one message */
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printf("client: Sending %d bytes\n", SENDSIZE);
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nbytessent = send(sockfd, outbuf, SENDSIZE, 0);
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printf("client: Sent %d bytes\n", nbytessent);
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if (nbytessent < 0)
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{
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printf("client: send failed: %d\n", errno);
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goto errout_with_socket;
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}
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else if (nbytessent != SENDSIZE)
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{
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printf("client: Bad send length: %d Expected: %d\n", nbytessent, SENDSIZE);
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goto errout_with_socket;
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}
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totalbytesrecvd = 0;
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do
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{
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printf("client: Receiving...\n");
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nbytesrecvd = recv(sockfd, &inbuf[totalbytesrecvd], SENDSIZE - totalbytesrecvd, 0);
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if (nbytesrecvd < 0)
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{
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printf("client: recv failed: %d\n", errno);
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goto errout_with_socket;
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}
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else if (nbytesrecvd == 0)
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{
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printf("client: The server closed the connection\n");
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goto errout_with_socket;
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}
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totalbytesrecvd += nbytesrecvd;
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printf("client: Received %d of %d bytes\n", totalbytesrecvd, SENDSIZE);
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}
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while (totalbytesrecvd < SENDSIZE);
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if (totalbytesrecvd != SENDSIZE)
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{
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printf("client: Bad recv length: %d Expected: %d\n", totalbytesrecvd, SENDSIZE);
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goto errout_with_socket;
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}
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else if (memcmp(inbuf, outbuf, SENDSIZE) != 0)
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{
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printf("client: Received buffer does not match sent buffer\n");
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goto errout_with_socket;
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}
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close(sockfd);
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free(outbuf);
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#ifndef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
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free(inbuf);
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#endif
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return;
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#endif
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errout_with_socket:
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close(sockfd);
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errout_with_buffers:
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free(outbuf);
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#ifndef CONFIG_EXAMPLES_NETTEST_PERFORMANCE
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free(inbuf);
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#endif
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exit(1);
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}
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