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Add more low-level, thread-independent socket interfaces

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4445 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-03-02 19:57:52 +00:00
parent 4f617d5be7
commit bb41cf1b70
8 changed files with 391 additions and 173 deletions
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nuttx/net/bind.c
+53 -13
View File
@@ -1,8 +1,8 @@
/****************************************************************************
* net/bind.c
*
* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
* Copyright (C) 2007-2009, 2012 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
@@ -51,16 +51,16 @@
****************************************************************************/
/****************************************************************************
* Function: bind
* Function: psock_bind
*
* Description:
* bind() gives the socket 'sockfd' the local address 'addr'. 'addr' is
* bind() gives the socket 'psock' the local address 'addr'. 'addr' is
* 'addrlen' bytes long. Traditionally, this is called "assigning a name to
* a socket." When a socket is created with socket, it exists in a name
* space (address family) but has no name assigned.
*
* Parameters:
* sockfd Socket descriptor from socket
* psock Socket structure of the socket to bind
* addr Socket local address
* addrlen Length of 'addr'
*
@@ -71,21 +71,18 @@
* The address is protected, and the user is not the superuser.
* EADDRINUSE
* The given address is already in use.
* EBADF
* sockfd is not a valid descriptor.
* EINVAL
* The socket is already bound to an address.
* ENOTSOCK
* sockfd is a descriptor for a file, not a socket.
* psock is a descriptor for a file, not a socket.
*
* Assumptions:
*
****************************************************************************/
int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
int psock_bind(FAR struct socket *psock, const struct sockaddr *addr,
socklen_t addrlen)
{
FAR struct socket *psock = sockfd_socket(sockfd);
#if defined(CONFIG_NET_TCP) || defined(CONFIG_NET_UDP)
#ifdef CONFIG_NET_IPv6
FAR const struct sockaddr_in6 *inaddr = (const struct sockaddr_in6 *)addr;
@@ -97,11 +94,11 @@ int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
int err;
int ret;
/* Verify that the sockfd corresponds to valid, allocated socket */
/* Verify that the psock corresponds to valid, allocated socket */
if (!psock || psock->s_crefs <= 0)
{
err = EBADF;
err = ENOTSOCK;
goto errout;
}
@@ -154,4 +151,47 @@ errout:
return ERROR;
}
/****************************************************************************
* Function: bind
*
* Description:
* bind() gives the socket 'sockfd' the local address 'addr'. 'addr' is
* 'addrlen' bytes long. Traditionally, this is called "assigning a name to
* a socket." When a socket is created with socket, it exists in a name
* space (address family) but has no name assigned.
*
* Parameters:
* sockfd Socket descriptor of the socket to bind
* addr Socket local address
* addrlen Length of 'addr'
*
* Returned Value:
* 0 on success; -1 on error with errno set appropriately
*
* EACCES
* The address is protected, and the user is not the superuser.
* EADDRINUSE
* The given address is already in use.
* EBADF
* sockfd is not a valid descriptor.
* EINVAL
* The socket is already bound to an address.
* ENOTSOCK
* sockfd is a descriptor for a file, not a socket.
*
* Assumptions:
*
****************************************************************************/
int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
{
/* Make the socket descriptor to the underlying socket structure */
FAR struct socket *psock = sockfd_socket(sockfd);
/* Then let psock_bind do all of the work */
return psock_bind(psock, addr, addrlen);
}
#endif /* CONFIG_NET */