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/**********************************************************************
*
* rtems shttpd management
*
* FILE NAME : rtems_shttpd.c
*
* AUTHOR : Steven Johnson
*
* DESCRIPTION : Defines the interface functions to the shttp daemon
*
* REVISION : $Id$
*
* COMMENTS :
*
**********************************************************************/
/**********************************************************************
* INCLUDED MODULES
**********************************************************************/
#include <rtems.h>
#include "defs.h"
#define MAX_WEB_BASE_PATH_LENGTH 256
#define MIN_SHTTPD_STACK (8*1024)
typedef struct RTEMS_HTTPD_ARGS {
rtems_shttpd_init init_callback;
rtems_shttpd_addpages addpages_callback;
unsigned int port;
char webroot[MAX_WEB_BASE_PATH_LENGTH];
} RTEMS_HTTPD_ARGS;
static int rtems_webserver_running = FALSE; //not running.
static rtems_task rtems_httpd_daemon(rtems_task_argument args)
{
RTEMS_HTTPD_ARGS *httpd_args = (RTEMS_HTTPD_ARGS*)args;
struct shttpd_ctx *ctx;
if (httpd_args != NULL)
if (httpd_args->init_callback != NULL)
httpd_args->init_callback();
/**************************************
* Initialize the web server
*/
/*
* Initialize SHTTPD context.
* Set WWW root to current WEB_ROOT_PATH.
*/
ctx = shttpd_init(NULL, "document_root", httpd_args->webroot, NULL);
if (httpd_args != NULL)
if (httpd_args->addpages_callback != NULL)
httpd_args->addpages_callback(ctx);
/* Finished with args, so free them */
if (httpd_args != NULL)
free(httpd_args);
/* Open listening socket */
shttpd_listen(ctx, httpd_args->port);
rtems_webserver_running = TRUE;
/* Serve connections infinitely until someone kills us */
while (rtems_webserver_running)
shttpd_poll(ctx, 1000);
/* Unreached, because we will be killed by a signal */
shttpd_fini(ctx);
rtems_task_delete( RTEMS_SELF );
}
rtems_status_code rtems_initialize_webserver(
rtems_task_priority initial_priority,
size_t stack_size,
rtems_mode initial_modes,
rtems_attribute attribute_set,
rtems_shttpd_init init_callback,
rtems_shttpd_addpages addpages_callback,
char *webroot,
unsigned int port
)
{
rtems_status_code sc;
rtems_id tid;
RTEMS_HTTPD_ARGS *args;
if (stack_size < MIN_SHTTPD_STACK)
stack_size = MIN_SHTTPD_STACK;
args = malloc(sizeof(RTEMS_HTTPD_ARGS));
if (args != NULL) {
args->init_callback = init_callback;
args->addpages_callback = addpages_callback;
args->port = port;
strncpy(args->webroot,webroot,MAX_WEB_BASE_PATH_LENGTH);
sc = rtems_task_create(rtems_build_name('H', 'T', 'P', 'D'),
initial_priority,
stack_size,
initial_modes,
attribute_set,
&tid);
if (sc == RTEMS_SUCCESSFUL) {
sc = rtems_task_start(tid, rtems_httpd_daemon, (rtems_task_argument)args);
}
} else {
sc = RTEMS_NO_MEMORY;
}
return sc;
}
void rtems_terminate_webserver(void)
{
rtems_webserver_running = FALSE; // not running, so terminate
}
int rtems_webserver_ok(void)
{
return rtems_webserver_running;
}
void
set_close_on_exec(int fd)
{
// RTEMS Does not have a functional "execve"
// so technically this call does not do anything,
// but it doesnt hurt either.
(void) fcntl(fd, F_SETFD, FD_CLOEXEC);
}
#ifndef __rtems__
int
my_stat(const char *path, struct stat *stp)
{
return (stat(path, stp));
}
int
my_open(const char *path, int flags, int mode)
{
return (open(path, flags, mode));
}
int
my_remove(const char *path)
{
return (remove(path));
}
int
my_rename(const char *path1, const char *path2)
{
return (rename(path1, path2));
}
int
my_mkdir(const char *path, int mode)
{
return (mkdir(path, mode));
}
char *
my_getcwd(char *buffer, int maxlen)
{
return (getcwd(buffer, maxlen));
}
#endif
int
set_non_blocking_mode(int fd)
{
int ret = -1;
int flags;
if ((flags = fcntl(fd, F_GETFL, 0)) == -1) {
DBG(("nonblock: fcntl(F_GETFL): %d", ERRNO));
} else if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) != 0) {
DBG(("nonblock: fcntl(F_SETFL): %d", ERRNO));
} else {
ret = 0; /* Success */
}
return (ret);
}
#if !defined(NO_CGI)
int
spawn_process(struct conn *c, const char *prog, char *envblk, char **envp)
{
return (-1); // RTEMS does not have subprocess support as standard.
}
#endif
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