Implements basic TCP connection logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@326 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 71 insertions, 3 deletions

diff --git a/nuttx/net/connect.c b/nuttx/net/connect.c
index 5cff6210e..2fcb8bc79 100644
--- a/nuttx/net/connect.c
+++ b/nuttx/net/connect.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * connect.c
+ * net/connect.c
  *
  *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -44,6 +44,8 @@
 #include <sys/socket.h>
 #include <errno.h>
 
+#include "net_internal.h"
+
 /****************************************************************************
  * Global Functions
  ****************************************************************************/
@@ -117,9 +119,75 @@
  *
  ****************************************************************************/
 
-int connect(int sockfd, const struct sockaddr *serv_addr, socklen_t addrlen)
+int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
 {
-  *get_errno_ptr() = ENOSYS;
+  FAR struct socket *psock = sockfd_socket(sockfd);
+#ifdef CONFIG_NET_IPv6
+  FAR const struct sockaddr_in6 *inaddr = (const struct sockaddr_in6 *)addr;
+#else
+  FAR const struct sockaddr_in *inaddr = (const struct sockaddr_in *)addr;
+#endif
+  int err;
+
+  /* Verify that the sockfd corresponds to valid, allocated socket */
+
+  if (!psock || psock->s_crefs <= 0)
+    {
+      err = EBADF;
+      goto errout;
+    }
+
+  /* Verify that a valid address has been provided */
+
+#ifdef CONFIG_NET_IPv6
+  if (addr->sa_family != AF_INET6 || addrlen < sizeof(struct sockaddr_in6))
+#else
+  if (addr->sa_family != AF_INET || addrlen < sizeof(struct sockaddr_in))
+#endif
+  {
+      err = EBADF;
+      goto errout;
+  }
+
+  /* Perform the binding depending on the protocol type */
+  switch (psock->s_type)
+    {
+      case SOCK_STREAM:
+        {
+          int ret = uip_tcpconnect(psock->s_conn, inaddr);
+          if (ret < 0)
+            {
+              err = -ret;
+              goto errout;
+            }
+        }
+        break;
+
+#ifdef CONFIG_NET_UDP
+      case SOCK_DGRAM:
+#warning Put UDP connect logic here
+#if 0
+        {
+          int ret = uip_udpconnect(psock->s_conn, inaddr);
+          if (ret < 0)
+            {
+              err = -ret;
+              goto errout;
+            }
+        }
+        break;
+#endif
+#endif
+      default:
+        err = EBADF;
+        goto errout;
+    }
+
+  err = ENOSYS;
+  /*return OK;*/
+
+errout:
+  *get_errno_ptr() = err;
   return ERROR;
 }