1 files changed, 234 insertions, 0 deletions
diff --git a/nuttx/examples/nettest/nettest_server.c b/nuttx/examples/nettest/nettest_server.c
new file mode 100644
index 000000000..6d9ccaeba
--- /dev/null
+++ b/nuttx/examples/nettest/nettest_server.c
@@ -0,0 +1,234 @@
+/****************************************************************************
+ * 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);
+}