Move nuttx/examples to apps/examples

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3405 42af7a65-404d-4744-a932-0658087f49c3

6 files changed, 839 insertions, 0 deletions

diff --git a/apps/examples/nettest/Makefile b/apps/examples/nettest/Makefile
new file mode 100644
index 000000000..37d00914e
--- /dev/null
+++ b/apps/examples/nettest/Makefile
@@ -0,0 +1,121 @@
+############################################################################
+# examples/nettest/Makefile
+#
+#   Copyright (C) 2007-2008, 2010-2010 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 NuttX 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.
+#
+############################################################################
+
+-include $(TOPDIR)/.config
+-include $(TOPDIR)/Make.defs
+include $(APPDIR)/Make.defs
+
+# Basic TCP networking test
+
+TARG_ASRCS	= 
+TARG_AOBJS	= $(TARG_ASRCS:.S=$(OBJEXT))
+
+TARG_CSRCS	= nettest.c
+ifeq ($(CONFIG_EXAMPLE_NETTEST_SERVER),y)
+TARG_CSRCS	+= nettest_server.c
+else
+TARG_CSRCS	+= nettest_client.c
+endif
+
+TARG_COBJS	= $(TARG_CSRCS:.c=$(OBJEXT))
+
+TARG_SRCS	= $(TARG_ASRCS) $(TARG_CSRCS)
+TARG_OBJS	= $(TARG_AOBJS) $(TARG_COBJS)
+
+TARG_BIN	= ../../libapps$(LIBEXT)
+
+HOSTCFLAGS	+= -DCONFIG_EXAMPLE_NETTEST_HOST=1
+ifeq ($(CONFIG_EXAMPLE_NETTEST_SERVER),y)
+HOSTCFLAGS	+= -DCONFIG_EXAMPLE_NETTEST_SERVER=1 \
+		   -DCONFIG_EXAMPLE_NETTEST_CLIENTIP="$(CONFIG_EXAMPLE_NETTEST_CLIENTIP)"
+endif
+
+HOST_SRCS	= host.c
+ifeq ($(CONFIG_EXAMPLE_NETTEST_SERVER),y)
+HOST_SRCS	+= nettest_client.c
+else
+HOST_SRCS	+= nettest_server.c
+endif
+
+HOST_OBJS	= $(HOST_SRCS:.c=.o)
+HOST_BIN	= host
+
+ROOTDEPPATH	= --dep-path .
+
+# Common build
+
+VPATH		= 
+
+all: .built
+.PHONY:	.built clean depend disclean
+
+$(TARG_AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(TARG_COBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+$(TARG_BIN): $(TARG_OBJS) $(HOST_BIN)
+	@( for obj in $(TARG_OBJS) ; do \
+		$(call ARCHIVE, $@, $${obj}); \
+	done ; )
+
+$(HOST_OBJS): %.o: %.c
+	@echo "CC: $<"
+	@$(HOSTCC) -c $(HOSTCFLAGS) $< -o $@
+
+$(HOST_BIN): $(HOST_OBJS)
+	@echo "LD: $@"
+	@$(HOSTCC) $(HOSTLDFLAGS) $(HOST_OBJS) -o $@
+
+.built:	$(TARG_BIN) $(HOST_BIN)
+	@touch .built
+
+.depend: Makefile $(TARG_SRCS)
+	@$(MKDEP) $(ROOTDEPPATH) $(CC) -- $(CFLAGS) -- $(TARG_SRCS) >Make.dep
+	@touch $@
+
+# Register application
+depend: .depend
+
+clean:
+	@rm -f $(TARG_BIN) $(HOST_BIN) .built *.o *~ .*.swp
+	$(call CLEAN)
+
+distclean: clean
+	@rm -f Make.dep .depend
+
+-include Make.dep
+
diff --git a/apps/examples/nettest/host.c b/apps/examples/nettest/host.c
new file mode 100644
index 000000000..8b0bffd7d
--- /dev/null
+++ b/apps/examples/nettest/host.c
@@ -0,0 +1,63 @@
+/****************************************************************************
+ * examples/nettest/host.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 "nettest.h"
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * main
+ ****************************************************************************/
+
+int main(int argc, char **argv, char **envp)
+{
+#ifdef CONFIG_EXAMPLE_NETTEST_SERVER
+  send_client();
+#else
+  recv_server();
+#endif
+
+  return 0;
+}
diff --git a/apps/examples/nettest/nettest.c b/apps/examples/nettest/nettest.c
new file mode 100644
index 000000000..c7492fff6
--- /dev/null
+++ b/apps/examples/nettest/nettest.c
@@ -0,0 +1,122 @@
+/****************************************************************************
+ * examples/nettest/nettest.c
+ *
+ *   Copyright (C) 2007, 2009-2011 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 NuttX 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 <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdio.h>
+#include <debug.h>
+
+#include <net/if.h>
+#include <net/uip/uip.h>
+#include <apps/netutils/uiplib.h>
+
+#include "nettest.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * user_initialize
+ ****************************************************************************/
+
+#ifndef CONFIG_HAVE_WEAKFUNCTIONS
+void user_initialize(void)
+{
+  /* Stub that must be provided only if the toolchain does
+   * not support weak functions.
+   */
+}
+#endif
+
+/****************************************************************************
+ * user_start
+ ****************************************************************************/
+
+int user_start(int argc, char *argv[])
+{
+  struct in_addr addr;
+#ifdef CONFIG_EXAMPLE_NETTEST_NOMAC
+  uint8_t mac[IFHWADDRLEN];
+#endif
+
+/* Many embedded network interfaces must have a software assigned MAC */
+
+#ifdef CONFIG_EXAMPLE_NETTEST_NOMAC
+  mac[0] = 0x00;
+  mac[1] = 0xe0;
+  mac[2] = 0xb0;
+  mac[3] = 0x0b;
+  mac[4] = 0xba;
+  mac[5] = 0xbe;
+  uip_setmacaddr("eth0", mac);
+#endif
+
+  /* Set up our host address */
+
+  addr.s_addr = HTONL(CONFIG_EXAMPLE_NETTEST_IPADDR);
+  uip_sethostaddr("eth0", &addr);
+
+  /* Set up the default router address */
+
+  addr.s_addr = HTONL(CONFIG_EXAMPLE_NETTEST_DRIPADDR);
+  uip_setdraddr("eth0", &addr);
+
+  /* Setup the subnet mask */
+
+  addr.s_addr = HTONL(CONFIG_EXAMPLE_NETTEST_NETMASK);
+  uip_setnetmask("eth0", &addr);
+
+#ifdef CONFIG_EXAMPLE_NETTEST_SERVER
+  recv_server();
+#else
+  send_client();
+#endif
+
+  return 0;
+}
diff --git a/apps/examples/nettest/nettest.h b/apps/examples/nettest/nettest.h
new file mode 100644
index 000000000..b5b619175
--- /dev/null
+++ b/apps/examples/nettest/nettest.h
@@ -0,0 +1,95 @@
+/****************************************************************************
+ * examples/nettest/nettest.h
+ *
+ *   Copyright (C) 2007, 2009 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 NuttX 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.
+ *
+ ****************************************************************************/
+
+#ifndef __EXAMPLES_NETTEST_H
+#define __EXAMPLES_NETTEST_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#ifdef CONFIG_EXAMPLE_NETTEST_HOST
+#else
+# include <debug.h>
+#endif
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+#ifdef CONFIG_EXAMPLE_NETTEST_HOST
+   /* HTONS/L macros are unique to uIP */
+
+#  define HTONS(a)       htons(a)
+#  define HTONL(a)       htonl(a)
+
+   /* Used printf for debug output */
+
+#  ifdef CONFIG_CPP_HAVE_VARARGS
+#    define message(...) printf(__VA_ARGS__)
+#  else
+#    define message printf
+#  endif
+
+   /* Have SO_LINGER */
+
+#  define NETTEST_HAVE_SOLINGER 1
+
+#else
+
+   /* Used lib_rawprintf() so that there is not confusion from buffered IO */
+
+#  ifdef CONFIG_CPP_HAVE_VARARGS
+#    define message(...) lib_rawprintf(__VA_ARGS__)
+#  else
+#    define message lib_rawprintf
+#  endif
+
+   /* At present, uIP does only abortive disconnects */
+
+#  undef NETTEST_HAVE_SOLINGER
+#endif
+
+#define PORTNO     5471
+#define SENDSIZE   4096
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+extern void send_client(void);
+extern void recv_server(void);
+
+#endif /* __EXAMPLES_NETTEST_H */
diff --git a/apps/examples/nettest/nettest_client.c b/apps/examples/nettest/nettest_client.c
new file mode 100644
index 000000000..b879f8438
--- /dev/null
+++ b/apps/examples/nettest/nettest_client.c
@@ -0,0 +1,204 @@
+/****************************************************************************
+ * examples/nettest/nettest-client.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/socket.h>
+#include <netinet/in.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include "nettest.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+void send_client(void)
+{
+  struct sockaddr_in myaddr;
+  char *outbuf;
+#ifndef CONFIG_EXAMPLE_NETTEST_PERFORMANCE
+  char *inbuf;
+#endif
+  int sockfd;
+  int nbytessent;
+#ifndef CONFIG_EXAMPLE_NETTEST_PERFORMANCE
+  int nbytesrecvd;
+  int totalbytesrecvd;
+#endif
+  int ch;
+  int i;
+
+  /* Allocate buffers */
+
+  outbuf = (char*)malloc(SENDSIZE);
+#ifndef CONFIG_EXAMPLE_NETTEST_PERFORMANCE
+  inbuf  = (char*)malloc(SENDSIZE);
+  if (!outbuf || !inbuf)
+#else
+  if (!outbuf)
+#endif
+    {
+      message("client: failed to allocate buffers\n");
+      exit(1);
+    }
+
+
+  /* Create a new TCP socket */
+
+  sockfd = socket(PF_INET, SOCK_STREAM, 0);
+  if (sockfd < 0)
+    {
+      message("client socket failure %d\n", errno);
+      goto errout_with_buffers;
+    }
+
+  /* Connect the socket to the server */
+
+  myaddr.sin_family      = AF_INET;
+  myaddr.sin_port        = HTONS(PORTNO);
+#if 0
+  myaddr.sin_addr.s_addr = HTONL(INADDR_LOOPBACK);
+#else
+  myaddr.sin_addr.s_addr = HTONL(CONFIG_EXAMPLE_NETTEST_CLIENTIP);
+#endif
+
+  message("client: Connecting...\n");
+  if (connect( sockfd, (struct sockaddr*)&myaddr, sizeof(struct sockaddr_in)) < 0)
+    {
+      message("client: connect failure: %d\n", errno);
+      goto errout_with_socket;
+    }
+  message("client: Connected\n");
+
+  /* Initialize the buffer */
+
+  ch = 0x20;
+  for (i = 0; i < SENDSIZE; i++ )
+    {
+      outbuf[i] = ch;
+      if (++ch > 0x7e)
+        {
+          ch = 0x20;
+        }
+    }
+
+#ifdef CONFIG_EXAMPLE_NETTEST_PERFORMANCE
+  /* Then receive messages forever */
+
+  for (;;)
+    {
+      nbytessent = send(sockfd, outbuf, 512, 0);
+      if (nbytessent < 0)
+        {
+          message("client: send failed: %d\n", errno);
+          goto errout_with_socket;
+        }
+      else if (nbytessent != 512)
+        {
+          message("client: Bad send length=%d: %d\n", nbytessent);
+          goto errout_with_socket;
+        }
+    }
+#else
+  /* Then send and receive one message */
+
+  message("client: Sending %d bytes\n", SENDSIZE);
+  nbytessent = send(sockfd, outbuf, SENDSIZE, 0);
+  message("client: Sent %d bytes\n", nbytessent);
+
+  if (nbytessent < 0)
+    {
+      message("client: send failed: %d\n", errno);
+      goto errout_with_socket;
+    }
+  else if (nbytessent != SENDSIZE)
+    {
+      message("client: Bad send length: %d Expected: %d\n", nbytessent, SENDSIZE);
+      goto errout_with_socket;
+    }
+
+  totalbytesrecvd = 0;
+  do
+    {
+      message("client: Receiving...\n");
+      nbytesrecvd = recv(sockfd, &inbuf[totalbytesrecvd], SENDSIZE - totalbytesrecvd, 0);
+
+      if (nbytesrecvd < 0)
+        {
+          message("client: recv failed: %d\n", errno);
+          goto errout_with_socket;
+        }
+      totalbytesrecvd += nbytesrecvd;
+      message("client: Received %d of %d bytes\n", totalbytesrecvd, SENDSIZE);
+    }
+  while (totalbytesrecvd < SENDSIZE);
+
+  if (totalbytesrecvd != SENDSIZE)
+    {
+      message("client: Bad recv length: %d Expected: %d\n", totalbytesrecvd, SENDSIZE);
+      goto errout_with_socket;
+    }
+  else if (memcmp(inbuf, outbuf, SENDSIZE) != 0)
+    {
+      message("client: Received buffer does not match sent buffer\n");
+      goto errout_with_socket;
+    }
+
+  close(sockfd);
+  free(outbuf);
+#ifndef CONFIG_EXAMPLE_NETTEST_PERFORMANCE
+  free(inbuf);
+#endif
+  return;
+#endif
+
+errout_with_socket:
+  close(sockfd);
+
+errout_with_buffers:
+  free(outbuf);
+#ifndef CONFIG_EXAMPLE_NETTEST_PERFORMANCE
+  free(inbuf);
+#endif
+  exit(1);
+}
diff --git a/apps/examples/nettest/nettest_server.c b/apps/examples/nettest/nettest_server.c
new file mode 100644
index 000000000..6d9ccaeba
--- /dev/null
+++ b/apps/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);
+}