1 files changed, 152 insertions, 0 deletions
diff --git a/apps/examples/udgram/udgram_client.c b/apps/examples/udgram/udgram_client.c
new file mode 100644
index 000000000..c24ba8a81
--- /dev/null
+++ b/apps/examples/udgram/udgram_client.c
@@ -0,0 +1,152 @@
+/****************************************************************************
+ * examples/udp/udp-client.c
+ *
+ *   Copyright (C) 2007, 2015 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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 <nuttx/config.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include "udgram.h"
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+static inline void fill_buffer(unsigned char *buf, int offset)
+{
+  int ch;
+  int j;
+
+  buf[0] = offset;
+  for (ch = 0x20, j = offset + 1; ch < 0x7f; ch++, j++)
+    {
+      if (j >= SENDSIZE)
+        {
+          j = 1;
+        }
+      buf[j] = ch;
+    }
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+#ifdef CONFIG_BUILD_KERNEL
+int main(int argc, FAR char *argv[])
+#else
+int client_main(int argc, char *argv[])
+#endif
+{
+  struct sockaddr_un server;
+  unsigned char outbuf[SENDSIZE];
+  socklen_t addrlen;
+  int sockfd;
+  int nbytes;
+  int offset;
+
+  /* Create a new UDP socket */
+
+  sockfd = socket(PF_LOCAL, SOCK_DGRAM, 0);
+  if (sockfd < 0)
+    {
+      printf("client socket failure %d\n", errno);
+      return 1;
+    }
+
+  /* Then send and receive 256 messages */
+
+  for (offset = 0; offset < 256; offset++)
+    {
+      /* Set up the output buffer */
+
+      fill_buffer(outbuf, offset);
+
+      /* Set up the server address */
+
+      addrlen = strlen(CONFIG_EXAMPLES_UDGRAM_ADDR);
+      if (addrlen > UNIX_PATH_MAX - 1)
+        {
+          addrlen = UNIX_PATH_MAX - 1;
+        }
+
+      server.sun_family = AF_LOCAL;
+      strncpy(server.sun_path, CONFIG_EXAMPLES_UDGRAM_ADDR, addrlen);
+      server.sun_path[addrlen] = '\0';
+
+      addrlen += sizeof(sa_family_t) + 1;
+
+      /* Send the message */
+
+      printf("client: %d. Sending %d bytes\n", offset, SENDSIZE);
+      nbytes = sendto(sockfd, outbuf, SENDSIZE, 0,
+                      (struct sockaddr *)&server, addrlen);
+      printf("client: %d. Sent %d bytes\n", offset, nbytes);
+
+      if (nbytes < 0)
+        {
+          printf("client: %d. sendto failed: %d\n", offset, errno);
+          close(sockfd);
+          return 1;
+        }
+      else if (nbytes != SENDSIZE)
+        {
+          printf("client: %d. Bad send length: %d Expected: %d\n",
+                 offset, nbytes, SENDSIZE);
+          close(sockfd);
+          return 1;
+        }
+
+      /* Now, sleep a bit.  No packets should be dropped due to overrunning
+       * the server.
+       */
+
+      sleep(2);
+    }
+
+  close(sockfd);
+  return 0;
+}