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Still fleshing out THTTPD example

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1994 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2009-07-18 22:59:44 +00:00
parent 8c7634d4a2
commit e68c54fea0
6 changed files with 298 additions and 6 deletions
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17
examples/thttpd/main.c
View File

@ -72,6 +72,23 @@
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/* These values must be provided by the user before the THTTPD task daemon
* is started:
*
* g_thttpdsymtab: A symbol table describing all of the symbols exported
* from the base system. These symbols are used to bind address references
* in CGI programs to NuttX.
* g_nsymbols: The number of symbols in g_thttpdsymtab[].
*/
#warning "Not yet initialized"
FAR const struct symtab_s *g_thttpdsymtab;
int g_thttpdnsymbols;
/****************************************************************************
* Public Functions
****************************************************************************/

100
fs/fs_fcntl.c
View File

@ -40,20 +40,47 @@
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdarg.h>
#include <fcntl.h>
#include <errno.h>
#include <nuttx/fs.h>
#include <nuttx/net.h>
#include <nuttx/sched.h>
#include "fs_internal.h"
/****************************************************************************
* Global Functions
* Private Functions
****************************************************************************/
int fcntl(int fildes, int cmd, ...)
#if CONFIG_NFILE_DESCRIPTORS > 0
static inline int file_vfcntl(int fildes, int cmd, va_list ap)
{
FAR struct filelist *list;
FAR struct file *this_file;
int err = 0;
int ret = 0;
#warning "fcntl() not yet implemented"
/* Get the thread-specific file list */
list = sched_getfiles();
if (!list)
{
err = EMFILE;
goto errout;
}
/* Was this file opened ? */
this_file = &list->fl_files[fildes];
if (!this_file->f_inode)
{
err = EBADF;
goto errout;
}
#warning "Many fcntl() commands not yet implemented"
switch (cmd)
{
case F_DUPFD:
@ -82,6 +109,9 @@ int fcntl(int fildes, int cmd, ...)
* successful execution of one of the exec functions.
*/
err = ENOSYS;
break;
case F_GETFL:
/* Get the file status flags and file access modes, defined in <fcntl.h>,
* for the file description associated with fildes. The file access modes
@ -91,6 +121,11 @@ int fcntl(int fildes, int cmd, ...)
* refer to the same file with different open file descriptions.
*/
{
ret = this_file->f_oflags;
}
break;
case F_SETFL:
/* Set the file status flags, defined in <fcntl.h>, for the file description
* associated with fildes from the corresponding bits in the third argument,
@ -100,6 +135,11 @@ int fcntl(int fildes, int cmd, ...)
* by the application, the result is unspecified.
*/
{
this_file->f_oflags = va_arg(ap, int);
}
break;
case F_GETOWN:
/* If fildes refers to a socket, get the process or process group ID specified
* to receive SIGURG signals when out-of-band data is available. Positive values
@ -115,6 +155,9 @@ int fcntl(int fildes, int cmd, ...)
* fildes does not refer to a socket, the results are unspecified.
*/
err = EBADF; /* Only valid on socket descriptors */
break;
case F_GETLK:
/* Get the first lock which blocks the lock description pointed to by the third
* argument, arg, taken as a pointer to type struct flock, defined in <fcntl.h>.
@ -142,7 +185,7 @@ int fcntl(int fildes, int cmd, ...)
* not be done.
*/
err = ENOSYS;
err = ENOSYS; /* Not implemented */
break;
default:
@ -150,6 +193,7 @@ int fcntl(int fildes, int cmd, ...)
break;
}
errout:
if (err != 0)
{
errno = err;
@ -157,4 +201,52 @@ int fcntl(int fildes, int cmd, ...)
}
return OK;
}
#endif /* CONFIG_NFILE_DESCRIPTORS > 0 */
/****************************************************************************
* Global Functions
****************************************************************************/
int fcntl(int fildes, int cmd, ...)
{
va_list ap;
int ret;
/* Setup to access the variable argument list */
va_start(ap, cmd);
/* Did we get a valid file descriptor? */
#if CONFIG_NFILE_DESCRIPTORS > 0
if ((unsigned int)fildes < CONFIG_NFILE_DESCRIPTORS)
{
/* Yes.. defer file operations to file_vfcntl() */
ret = file_vfcntl(fildes, cmd, ap);
}
else
#endif
{
/* No... check for operations on a socket descriptor */
#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
if ((unsigned int)fildes < (CONFIG_NFILE_DESCRIPTORS+CONFIG_NSOCKET_DESCRIPTORS))
{
/* Yes.. defer socket descriptor operations to net_vfcntl() */
ret = net_vfcntl(fildes, cmd, ap);
}
else
#endif
{
/* No.. this descriptor number is out of range */
ret = EBADF;
}
}
va_end(ap);
return ret;
}

1
include/net/uip/thttpd.h
View File

@ -71,7 +71,6 @@ extern "C" {
EXTERN FAR const struct symtab_s *g_thttpdsymtab;
EXTERN int g_thttpdnsymbols;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/

6
include/nuttx/net.h
View File

@ -43,6 +43,7 @@
#include <nuttx/config.h>
#ifdef CONFIG_NET
#include <stdarg.h>
#include <semaphore.h>
#include <net/uip/uip.h>
@ -190,6 +191,11 @@ EXTERN int net_dup2(int sockfd1, int sockfd2);
EXTERN int net_clone(FAR struct socket *psock1, FAR struct socket *psock2);
/* net_vfcntl.c **************************************************************/
/* Performs fcntl operations on socket */
EXTERN int net_vfcntl(int sockfd, int cmd, va_list ap);
/* netdev-register.c *********************************************************/
/* This function is called by network interface device drivers to inform the
* socket layer of their existence. This registration is necesary to support

3
net/Makefile
View File

@ -38,7 +38,8 @@
ifeq ($(CONFIG_NET),y)
SOCK_ASRCS =
SOCK_CSRCS = socket.c bind.c connect.c sendto.c recv.c recvfrom.c \
net_sockets.c net_close.c net_dup.c net_dup2.c net_clone.c
net_sockets.c net_close.c net_dup.c net_dup2.c net_clone.c \
net_vfcntl.c
ifeq ($(CONFIG_NET_TCP),y)
SOCK_CSRCS += send.c listen.c accept.c

177
net/net_vfcntl.c Normal file
View File

@ -0,0 +1,177 @@
/****************************************************************************
* net/net_vfcntl.c
*
* Copyright (C) 2009 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>
#include <sys/types.h>
#include <stdarg.h>
#include <fcntl.h>
#include <errno.h>
#include <nuttx/net.h>
#include "net_internal.h"
#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
/****************************************************************************
* Global Functions
****************************************************************************/
int net_vfcntl(int sockfd, int cmd, va_list ap)
{
FAR struct socket *psock = sockfd_socket(sockfd);
int err = 0;
int ret = 0;
/* Verify that the sockfd corresponds to valid, allocated socket */
if (!psock || psock->s_crefs <= 0)
{
err = EBADF;
goto errout;
}
#warning "fcntl() commands not yet implemented"
switch (cmd)
{
case F_DUPFD:
/* Return a new file descriptor which shall be the lowest numbered
* available (that is, not already open) file descriptor greater than
* or equal to the third argument, arg, taken as an integer of type
* int. The new file descriptor shall refer to the same open file
* description as the original file descriptor, and shall share any
* locks. The FD_CLOEXEC flag associated with the new file descriptor
* shall be cleared to keep the file open across calls to one of the
* exec functions.
*/
case F_GETFD:
/* Get the file descriptor flags defined in <fcntl.h> that are associated
* with the file descriptor fildes. File descriptor flags are associated
* with a single file descriptor and do not affect other file descriptors
* that refer to the same file.
*/
case F_SETFD:
/* Set the file descriptor flags defined in <fcntl.h>, that are associated
* with fildes, to the third argument, arg, taken as type int. If the
* FD_CLOEXEC flag in the third argument is 0, the file shall remain open
* across the exec functions; otherwise, the file shall be closed upon
* successful execution of one of the exec functions.
*/
case F_GETFL:
/* Get the file status flags and file access modes, defined in <fcntl.h>,
* for the file description associated with fildes. The file access modes
* can be extracted from the return value using the mask O_ACCMODE, which is
* defined in <fcntl.h>. File status flags and file access modes are associated
* with the file description and do not affect other file descriptors that
* refer to the same file with different open file descriptions.
*/
case F_SETFL:
/* Set the file status flags, defined in <fcntl.h>, for the file description
* associated with fildes from the corresponding bits in the third argument,
* arg, taken as type int. Bits corresponding to the file access mode and
* the file creation flags, as defined in <fcntl.h>, that are set in arg shall
* be ignored. If any bits in arg other than those mentioned here are changed
* by the application, the result is unspecified.
*/
case F_GETOWN:
/* If fildes refers to a socket, get the process or process group ID specified
* to receive SIGURG signals when out-of-band data is available. Positive values
* indicate a process ID; negative values, other than -1, indicate a process group
* ID. If fildes does not refer to a socket, the results are unspecified.
*/
case F_SETOWN:
/* If fildes refers to a socket, set the process or process group ID specified
* to receive SIGURG signals when out-of-band data is available, using the value
* of the third argument, arg, taken as type int. Positive values indicate a
* process ID; negative values, other than -1, indicate a process group ID. If
* fildes does not refer to a socket, the results are unspecified.
*/
case F_GETLK:
/* Get the first lock which blocks the lock description pointed to by the third
* argument, arg, taken as a pointer to type struct flock, defined in <fcntl.h>.
* The information retrieved shall overwrite the information passed to fcntl() in
* the structure flock. If no lock is found that would prevent this lock from being
* created, then the structure shall be left unchanged except for the lock type
* which shall be set to F_UNLCK.
*/
case F_SETLK:
/* Set or clear a file segment lock according to the lock description pointed to
* by the third argument, arg, taken as a pointer to type struct flock, defined in
* <fcntl.h>. F_SETLK can establish shared (or read) locks (F_RDLCK) or exclusive
* (or write) locks (F_WRLCK), as well as to remove either type of lock (F_UNLCK).
* F_RDLCK, F_WRLCK, and F_UNLCK are defined in <fcntl.h>. If a shared or exclusive
* lock cannot be set, fcntl() shall return immediately with a return value of -1.
*/
case F_SETLKW:
/* This command shall be equivalent to F_SETLK except that if a shared or exclusive
* lock is blocked by other locks, the thread shall wait until the request can be
* satisfied. If a signal that is to be caught is received while fcntl() is waiting
* for a region, fcntl() shall be interrupted. Upon return from the signal handler,
* fcntl() shall return -1 with errno set to [EINTR], and the lock operation shall
* not be done.
*/
err = ENOSYS;
break;
default:
err = EINVAL;
break;
}
errout:
if (err != 0)
{
errno = err;
return ERROR;
}
return ret;
}
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS > 0 */