Add send, sendto, rec, recvfrom

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@328 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 112 insertions, 0 deletions

diff --git a/nuttx/net/net-close.c b/nuttx/net/net-close.c
new file mode 100644
index 000000000..294a4f7b7
--- /dev/null
+++ b/nuttx/net/net-close.c
@@ -0,0 +1,112 @@
+/****************************************************************************
+ * net/net-close.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 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>
+#ifdef CONFIG_NET
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <errno.h>
+
+#include "net_internal.h"
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Function: net_close
+ *
+ * Description:
+ *   Performs the close operation on socket descriptors
+ *
+ * Parameters:
+ *   sockfd   Socket descriptor of socket
+ *
+ * Returned Value:
+ *   0 on success; -1 on error with errno set appropriately.
+ *
+ * Assumptions:
+ *
+ ****************************************************************************/
+
+int net_close(int sockfd)
+{
+  FAR struct socket *psock = sockfd_socket(sockfd);
+  int err;
+
+  /* Verify that the sockfd corresponds to valid, allocated socket */
+
+  if (!psock || psock->s_crefs <= 0)
+    {
+      err = EBADF;
+      goto errout;
+    }
+
+  /* Perform the close depending on the protocol type */
+
+  switch (psock->s_type)
+    {
+      case SOCK_STREAM:
+        uip_tcpfree(psock->s_conn);
+        break;
+
+#ifdef CONFIG_NET_UDP
+      case SOCK_DGRAM:
+        uip_udpfree(psock->s_conn);
+        break;
+#endif
+      default:
+        err = -EBADF;
+        goto errout;
+    }
+
+  /* Save the protocol type */
+
+  psock->s_type = 0;
+  psock->s_conn = NULL;
+
+  return OK;
+
+errout:
+  *get_errno_ptr() = err;
+  return ERROR;
+}
+
+#endif /* CONFIG_NET */