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Diffstat (limited to 'nuttx/examples/nettest/nettest_server.c')
-rw-r--r--nuttx/examples/nettest/nettest_server.c234
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diff --git a/nuttx/examples/nettest/nettest_server.c b/nuttx/examples/nettest/nettest_server.c
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index 6d9ccaeba..000000000
--- a/nuttx/examples/nettest/nettest_server.c
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-/****************************************************************************
- * examples/nettest/nettest-server.c
- *
- * Copyright (C) 2007 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
- *
- * 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 <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-
-#include "nettest.h"
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-void recv_server(void)
-{
- struct sockaddr_in myaddr;
-#ifdef NETTEST_HAVE_SOLINGER
- struct linger ling;
-#endif
- char *buffer;
- int listensd;
- int acceptsd;
- socklen_t addrlen;
- int nbytesread;
-#ifndef CONFIG_EXAMPLE_NETTEST_PERFORMANCE
- int totalbytesread;
- int nbytessent;
- int ch;
- int i;
-#endif
- int optval;
-
- /* Allocate a BIG buffer */
-
- buffer = (char*)malloc(2*SENDSIZE);
- if (!buffer)
- {
- message("server: failed to allocate buffer\n");
- exit(1);
- }
-
-
- /* Create a new TCP socket */
-
- listensd = socket(PF_INET, SOCK_STREAM, 0);
- if (listensd < 0)
- {
- message("server: socket failure: %d\n", errno);
- goto errout_with_buffer;
- }
-
- /* Set socket to reuse address */
-
- optval = 1;
- if (setsockopt(listensd, SOL_SOCKET, SO_REUSEADDR, (void*)&optval, sizeof(int)) < 0)
- {
- message("server: setsockopt SO_REUSEADDR failure: %d\n", errno);
- goto errout_with_listensd;
- }
-
- /* Bind the socket to a local address */
-
- myaddr.sin_family = AF_INET;
- myaddr.sin_port = HTONS(PORTNO);
- myaddr.sin_addr.s_addr = INADDR_ANY;
-
- if (bind(listensd, (struct sockaddr*)&myaddr, sizeof(struct sockaddr_in)) < 0)
- {
- message("server: bind failure: %d\n", errno);
- goto errout_with_listensd;
- }
-
- /* Listen for connections on the bound TCP socket */
-
- if (listen(listensd, 5) < 0)
- {
- message("server: listen failure %d\n", errno);
- goto errout_with_listensd;
- }
-
- /* Accept only one connection */
-
- message("server: Accepting connections on port %d\n", PORTNO);
- addrlen = sizeof(struct sockaddr_in);
- acceptsd = accept(listensd, (struct sockaddr*)&myaddr, &addrlen);
- if (acceptsd < 0)
- {
- message("server: accept failure: %d\n", errno);
- goto errout_with_listensd;
- }
- message("server: Connection accepted -- receiving\n");
-
- /* Configure to "linger" until all data is sent when the socket is closed */
-
-#ifdef NETTEST_HAVE_SOLINGER
- ling.l_onoff = 1;
- ling.l_linger = 30; /* timeout is seconds */
- if (setsockopt(acceptsd, SOL_SOCKET, SO_LINGER, &ling, sizeof(struct linger)) < 0)
- {
- message("server: setsockopt SO_LINGER failure: %d\n", errno);
- goto errout_with_acceptsd;
- }
-#endif
-
-#ifdef CONFIG_EXAMPLE_NETTEST_PERFORMANCE
- /* Then receive data forever */
-
- for (;;)
- {
- nbytesread = recv(acceptsd, buffer, 2*SENDSIZE, 0);
- if (nbytesread <= 0)
- {
- message("server: recv failed: %d\n", errno);
- goto errout_with_acceptsd;
- }
- }
-#else
- /* Receive canned message */
-
- totalbytesread = 0;
- while (totalbytesread < SENDSIZE)
- {
- message("server: Reading...\n");
- nbytesread = recv(acceptsd, &buffer[totalbytesread], 2*SENDSIZE - totalbytesread, 0);
- if (nbytesread <= 0)
- {
- message("server: recv failed: %d\n", errno);
- goto errout_with_acceptsd;
- }
-
- totalbytesread += nbytesread;
- message("server: Received %d of %d bytes\n", totalbytesread, SENDSIZE);
- }
-
- /* Verify the message */
-
- if (totalbytesread != SENDSIZE)
- {
- message("server: Received %d / Expected %d bytes\n", totalbytesread, SENDSIZE);
- goto errout_with_acceptsd;
- }
-
- ch = 0x20;
- for (i = 0; i < SENDSIZE; i++ )
- {
- if (buffer[i] != ch)
- {
- message("server: Byte %d is %02x / Expected %02x\n", i, buffer[i], ch);
- goto errout_with_acceptsd;
- }
-
- if (++ch > 0x7e)
- {
- ch = 0x20;
- }
- }
-
- /* Then send the same data back to the client */
-
- message("server: Sending %d bytes\n", totalbytesread);
- nbytessent = send(acceptsd, buffer, totalbytesread, 0);
- if (nbytessent <= 0)
- {
- message("server: send failed: %d\n", errno);
- goto errout_with_acceptsd;
- }
- message("server: Sent %d bytes\n", nbytessent);
-
- /* If this platform only does abortive disconnects, then wait a bit to get the
- * client side a change to receive the data.
- */
-
-#if 1 /* Do it for all platforms */
- message("server: Wait before closing\n");
- sleep(60);
-#endif
-
- 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);
-}