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Add URL/CGI function mapping option to uIP web server 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5096 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2012-09-05 18:03:37 +00:00
parent f330280f76
commit cbb3953ab8
4 changed files with 54 additions and 10 deletions
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2
apps/ChangeLog.txt
View File

@ -308,3 +308,5 @@
* apps/netutils/webserver: Several inenhancements from Kate including the
ability to elide scripting and SERVER headers and the ability to map
files into memory before transferring them.
* apps/netutils/webserver: Add ability to map a URL to CGI function.
Contributed by Kate.

27
apps/netutils/webserver/Kconfig
View File

@ -19,6 +19,33 @@ config NETUTILS_HTTPD_SCRIPT_DISABLE
---help---
This option, if selected, will elide the %! scripting
config NETUTILS_HTTPD_CGIPATH
bool "URL/CGI function mapping"
default n
---help---
This option enables mappings from URLs to call CGI functions. The
effect is that the existing httpd_cgi_register() interface can be
used thus:
const static struct httpd_cgi_call a[] = {
{ NULL, "/abc", cgi_abc },
{ NULL, "/xyz", cgi_xyz }
};
for (i = 0; i < sizeof a / sizeof *a; i++) {
httpd_cgi_register(&a[i]);
}
Where (under CONFIG_NETUTILS_HTTPD_CGIPATH) the "/xyz" is a URL path,
rather than a %! xyz style call in the existing manner.
This is useful when CONFIG_NETUTILS_HTTPD_SCRIPT_DISABLE is defined.
In other words, this provides a way to get your CGI functions called
without needing the scripting language. I'm using this to provide a
REST style interface over HTTP, where my CGI handlers just return a
HTTP status code with a content length of 0.
config NETUTILS_HTTPD_SERVERHEADER_DISABLE
bool "Disabled the SERVER header"
default n

25
apps/netutils/webserver/httpd.c
View File

@ -214,7 +214,13 @@ static int handle_script(struct httpd_state *pstate)
}
else
{
httpd_cgi(pstate->ht_scriptptr)(pstate, pstate->ht_scriptptr);
httpd_cgifunction f;
f = httpd_cgi(pstate->ht_scriptptr);
if (f != NULL)
{
f(pstate, pstate->ht_scriptptr);
}
}
next_scriptstate(pstate);
@ -392,6 +398,21 @@ static int httpd_sendfile(struct httpd_state *pstate)
nvdbg("[%d] sending file '%s'\n", pstate->ht_sockfd, pstate->ht_filename);
#ifdef CONFIG_NETUTILS_HTTPD_CGIPATH
{
httpd_cgifunction f;
f = httpd_cgi(pstate->ht_filename);
if (f != NULL)
{
f(pstate, pstate->ht_filename);
ret = OK;
goto done;
}
}
#endif
if (httpd_open(pstate->ht_filename, &pstate->ht_file) != OK)
{
ndbg("[%d] '%s' not found\n", pstate->ht_sockfd, pstate->ht_filename);
@ -434,6 +455,8 @@ static int httpd_sendfile(struct httpd_state *pstate)
(void)httpd_close(&pstate->ht_file);
done:
/* Send anything remaining in the buffer */
if (ret == OK && pstate->ht_sndlen > 0)

10
apps/netutils/webserver/httpd_cgi.c
View File

@ -58,14 +58,6 @@ struct httpd_cgi_call *cgi_calls = NULL;
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nullfunction
****************************************************************************/
static void nullfunction(struct httpd_state *pstate, char *ptr)
{
}
void httpd_cgi_register(struct httpd_cgi_call *cgi_call)
{
if (cgi_calls == NULL)
@ -92,5 +84,5 @@ httpd_cgifunction httpd_cgi(char *name)
cgi_call = cgi_call->next;
}
return nullfunction;
return NULL;
}