From a76a953e2fb34a521faac9c66207c08f77da9ce5 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Wed, 31 Oct 2007 23:26:24 +0000
Subject: Add simple network test

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@358 42af7a65-404d-4744-a932-0658087f49c3
---
 nuttx/examples/nettest/nettest-server.c | 158 ++++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 nuttx/examples/nettest/nettest-server.c

(limited to 'nuttx/examples/nettest/nettest-server.c')

diff --git a/nuttx/examples/nettest/nettest-server.c b/nuttx/examples/nettest/nettest-server.c
new file mode 100644
index 000000000..5ad4a0b01
--- /dev/null
+++ b/nuttx/examples/nettest/nettest-server.c
@@ -0,0 +1,158 @@
+/****************************************************************************
+ * examples/nettest/nettest.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;
+  char buffer[1024];
+  int listensd;
+  int acceptsd;
+  socklen_t addrlen;
+  int nbytesread;
+#ifndef CONFIG_NETTEST_PERFORMANCE
+  int nbytessent;
+#endif
+  int optval;
+
+  /* Create a new TCP socket */
+
+  listensd = socket(PF_INET, SOCK_STREAM, 0);
+  if (listensd < 0)
+    {
+      printf("server: socket failure: %d\n", errno);
+      exit(1);
+    }
+
+  /* Set socket to reuse address */
+
+  optval = 1;
+  if (setsockopt(listensd, SOL_SOCKET, SO_REUSEADDR, (void*)&optval, sizeof(int)) < 0)
+    {
+      printf("server: setsockopt failure: %d\n", errno);
+      exit(1);
+    }
+
+  /* Bind the TCP 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)
+    {
+      printf("server: bind failure: %d\n", errno);
+      exit(1);
+    }
+
+  /* Listen for connections on the bound TCP socket */
+
+  if (listen(listensd, 5) < 0)
+    {
+      printf("server: listen failure %d\n", errno);
+      exit(1);
+    }
+
+  /* Accept only one connection */
+
+  printf("server: Accepting connections on port %d\n", PORTNO);
+  addrlen = sizeof(struct sockaddr_in);
+  acceptsd = accept(listensd, (struct sockaddr*)&myaddr, &addrlen);
+  if (acceptsd < 0)
+    {
+      printf("server: accept failure: %d\n", errno);
+      exit(1);
+    }
+  printf("server: Connection accepted -- receiving\n");
+
+#ifdef CONFIG_NETTEST_PERFORMANCE
+  /* Then receive data forever */
+
+  for (;;)
+    {
+      nbytesread = recv(acceptsd, buffer, 1024, 0);
+      if (nbytesread <= 0)
+        {
+          printf("server: recv failed: %d\n", errno);
+          close(listensd);
+          close(acceptsd);
+          exit(-1);
+        }
+    }
+#else
+  /* Receive and echo own message */
+
+  nbytesread = recv(acceptsd, buffer, 1024, 0);
+  if (nbytesread <= 0)
+    {
+      printf("server: recv failed: %d\n", errno);
+      close(listensd);
+      close(acceptsd);
+      exit(-1);
+    }
+  printf("server: Received %d bytes\n", nbytesread);
+
+  nbytessent = send(acceptsd, buffer, nbytesread, 0);
+  if (nbytessent <= 0)
+    {
+      printf("server: send failed: %d\n", errno);
+      close(listensd);
+      close(acceptsd);
+      exit(-1);
+    }
+  printf("server: Sent %d bytes\n", nbytessent);
+
+  close(listensd);
+  close(acceptsd);
+#endif
+}
-- 
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