2007-11-01 00:26:24 +01:00
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/****************************************************************************
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* examples/nettest/nettest.c
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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 <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>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.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 recv_server(void)
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{
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struct sockaddr_in myaddr;
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char buffer[1024];
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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;
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#ifndef CONFIG_NETTEST_PERFORMANCE
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2007-11-06 00:04:16 +01:00
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int totalbytesread;
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2007-11-01 00:26:24 +01:00
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int nbytessent;
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2007-11-06 00:04:16 +01:00
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int ch;
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int i;
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2007-11-01 00:26:24 +01:00
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#endif
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int optval;
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/* Create a new TCP socket */
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listensd = socket(PF_INET, SOCK_STREAM, 0);
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if (listensd < 0)
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{
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2007-11-06 17:17:50 +01:00
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message("server: socket failure: %d\n", errno);
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2007-11-01 00:26:24 +01:00
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exit(1);
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}
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/* Set socket to reuse address */
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optval = 1;
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if (setsockopt(listensd, SOL_SOCKET, SO_REUSEADDR, (void*)&optval, sizeof(int)) < 0)
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{
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2007-11-06 17:17:50 +01:00
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message("server: setsockopt failure: %d\n", errno);
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2007-11-01 00:26:24 +01:00
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exit(1);
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}
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/* Bind the TCP socket to a local address */
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myaddr.sin_family = AF_INET;
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myaddr.sin_port = HTONS(PORTNO);
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myaddr.sin_addr.s_addr = INADDR_ANY;
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if (bind(listensd, (struct sockaddr*)&myaddr, sizeof(struct sockaddr_in)) < 0)
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{
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2007-11-06 17:17:50 +01:00
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message("server: bind failure: %d\n", errno);
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2007-11-01 00:26:24 +01:00
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exit(1);
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}
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/* Listen for connections on the bound TCP socket */
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if (listen(listensd, 5) < 0)
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{
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2007-11-06 17:17:50 +01:00
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message("server: listen failure %d\n", errno);
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2007-11-01 00:26:24 +01:00
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exit(1);
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}
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/* Accept only one connection */
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2007-11-06 17:17:50 +01:00
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message("server: Accepting connections on port %d\n", PORTNO);
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2007-11-01 00:26:24 +01:00
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addrlen = sizeof(struct sockaddr_in);
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acceptsd = accept(listensd, (struct sockaddr*)&myaddr, &addrlen);
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if (acceptsd < 0)
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{
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2007-11-06 17:17:50 +01:00
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message("server: accept failure: %d\n", errno);
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2007-11-01 00:26:24 +01:00
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exit(1);
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}
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2007-11-06 17:17:50 +01:00
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message("server: Connection accepted -- receiving\n");
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2007-11-01 00:26:24 +01:00
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#ifdef CONFIG_NETTEST_PERFORMANCE
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/* Then receive data forever */
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for (;;)
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{
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nbytesread = recv(acceptsd, buffer, 1024, 0);
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if (nbytesread <= 0)
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{
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2007-11-06 17:17:50 +01:00
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message("server: recv failed: %d\n", errno);
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2007-11-01 00:26:24 +01:00
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close(listensd);
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close(acceptsd);
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exit(-1);
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}
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}
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#else
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2007-11-06 00:04:16 +01:00
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/* Receive canned message */
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2007-11-01 00:26:24 +01:00
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2007-11-06 00:04:16 +01:00
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totalbytesread = 0;
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while (totalbytesread < SENDSIZE)
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2007-11-01 00:26:24 +01:00
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{
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2007-11-06 17:17:50 +01:00
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message("server: Reading...\n");
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2007-11-06 00:04:16 +01:00
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nbytesread = recv(acceptsd, &buffer[totalbytesread], 1024 - totalbytesread, 0);
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if (nbytesread <= 0)
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{
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2007-11-06 17:17:50 +01:00
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message("server: recv failed: %d\n", errno);
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2007-11-06 00:04:16 +01:00
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close(listensd);
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close(acceptsd);
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exit(-1);
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}
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totalbytesread += nbytesread;
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2007-11-06 17:17:50 +01:00
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message("server: Received %d of %d bytes\n", totalbytesread, SENDSIZE);
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2007-11-06 00:04:16 +01:00
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}
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/* Verify the message */
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if (totalbytesread != SENDSIZE)
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{
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2007-11-06 17:17:50 +01:00
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message("server: Received %d / Expected %d bytes\n", totalbytesread, SENDSIZE);
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2007-11-01 00:26:24 +01:00
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close(listensd);
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close(acceptsd);
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exit(-1);
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}
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2007-11-06 00:04:16 +01:00
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ch = 0x20;
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for (i = 0; i < SENDSIZE; i++ )
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{
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if (buffer[i] != ch)
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{
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2007-11-06 17:17:50 +01:00
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message("server: Byte %d is %02x / Expected %02x\n", i, buffer[i], ch);
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2007-11-06 00:04:16 +01:00
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close(listensd);
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close(acceptsd);
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exit(-1);
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}
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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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/* Then send the same data back to the client */
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nbytessent = send(acceptsd, buffer, totalbytesread, 0);
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2007-11-01 00:26:24 +01:00
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if (nbytessent <= 0)
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{
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2007-11-06 17:17:50 +01:00
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message("server: send failed: %d\n", errno);
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2007-11-01 00:26:24 +01:00
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close(listensd);
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close(acceptsd);
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exit(-1);
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}
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2007-11-06 17:17:50 +01:00
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message("server: Sent %d bytes\n", nbytessent);
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2007-11-01 00:26:24 +01:00
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close(listensd);
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close(acceptsd);
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#endif
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}
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