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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/setsockopt.c
+77 -22
View File
@@ -1,8 +1,8 @@
/****************************************************************************
* net/setsockopt.c
*
* Copyright (C) 2007, 2008, 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
* Copyright (C) 2007, 2008, 2011-2012 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
@@ -52,13 +52,12 @@
****************************************************************************/
/****************************************************************************
* Function: setsockopt
* Function: psock_setsockopt
*
* Description:
* setsockopt() sets the option specified by the 'option' argument,
* psock_setsockopt() sets the option specified by the 'option' argument,
* at the protocol level specified by the 'level' argument, to the value
* pointed to by the 'value' argument for the socket associated with the
* file descriptor specified by the 'sockfd' argument.
* pointed to by the 'value' argument for the socket on the 'psock' argument.
*
* The 'level' argument specifies the protocol level of the option. To set
* options at the socket level, specify the level argument as SOL_SOCKET.
@@ -66,7 +65,7 @@
* See <sys/socket.h> a complete list of values for the 'option' argument.
*
* Parameters:
* sockfd Socket descriptor of socket
* psock Socket structure of socket to operate on
* level Protocol level to set the option
* option identifies the option to set
* value Points to the argument value
@@ -75,8 +74,6 @@
* Returned Value:
* 0 on success; -1 on failure
*
* EBADF
* The 'sockfd' argument is not a valid socket descriptor.
* EDOM
* The send and receive timeout values are too big to fit into the
* timeout fields in the socket structure.
@@ -100,22 +97,12 @@
*
****************************************************************************/
int setsockopt(int sockfd, int level, int option, const void *value, socklen_t value_len)
int psock_setsockopt(FAR struct socket *psock, int level, int option,
FAR const void *value, socklen_t value_len)
{
FAR struct socket *psock;
uip_lock_t flags;
int err;
/* Get the underlying socket structure */
/* Verify that the sockfd corresponds to valid, allocated socket */
psock = sockfd_socket(sockfd);
if (!psock || psock->s_crefs <= 0)
{
err = EBADF;
goto errout;
}
/* Verify that the socket option if valid (but might not be supported ) */
if (!_SO_SETVALID(option) || !value)
@@ -242,8 +229,76 @@ int setsockopt(int sockfd, int level, int option, const void *value, socklen_t v
return OK;
errout:
*get_errno_ptr() = err;
set_errno(err);
return ERROR;
}
/****************************************************************************
* Function: setsockopt
*
* Description:
* setsockopt() sets the option specified by the 'option' argument,
* at the protocol level specified by the 'level' argument, to the value
* pointed to by the 'value' argument for the socket associated with the
* file descriptor specified by the 'sockfd' argument.
*
* The 'level' argument specifies the protocol level of the option. To set
* options at the socket level, specify the level argument as SOL_SOCKET.
*
* See <sys/socket.h> a complete list of values for the 'option' argument.
*
* Parameters:
* sockfd Socket descriptor of socket
* level Protocol level to set the option
* option identifies the option to set
* value Points to the argument value
* value_len The length of the argument value
*
* Returned Value:
* 0 on success; -1 on failure
*
* EBADF
* The 'sockfd' argument is not a valid socket descriptor.
* EDOM
* The send and receive timeout values are too big to fit into the
* timeout fields in the socket structure.
* EINVAL
* The specified option is invalid at the specified socket 'level' or the
* socket has been shut down.
* EISCONN
* The socket is already connected, and a specified option cannot be set
* while the socket is connected.
* ENOPROTOOPT
* The 'option' is not supported by the protocol.
* ENOTSOCK
* The 'sockfd' argument does not refer to a socket.
* ENOMEM
* There was insufficient memory available for the operation to complete.
* ENOBUFS
* Insufficient resources are available in the system to complete the
* call.
*
* Assumptions:
*
****************************************************************************/
int setsockopt(int sockfd, int level, int option, const void *value, socklen_t value_len)
{
FAR struct socket *psock;
/* Get the underlying socket structure */
/* Verify that the sockfd corresponds to valid, allocated socket */
psock = sockfd_socket(sockfd);
if (!psock || psock->s_crefs <= 0)
{
set_errno(EBADF);
return ERROR;
}
/* Then let psock_setockopt() do all of the work */
return psock_setsockopt(psock, level, option, value, value_len);
}
#endif /* CONFIG_NET && CONFIG_NET_SOCKOPTS */