/*
* CGI Sample: Dynamic output cgi included by ssi.shtml file
*
* This routine must have been registered by NutRegisterCgi() and is
* automatically called by NutHttpProcessRequest() when the client
* request the URL 'cgi-bin/form.cgi'.
*
* Thanks to Tom Boettger, who provided this sample for ICCAVR.
*/
int SSIDemoCGI(FILE * stream, REQUEST * req)
{
if (req->req_query) {
char *name;
char *value;
int i;
int count;
count = NutHttpGetParameterCount(req);
/* Extract count parameters. */
#ifdef __IMAGECRAFT__
fprintf(stream, "CGI ssi-demo.cgi called with parameters: These are the parameters\r\n<p>");
#else
fprintf_P(stream, PSTR("CGI ssi-demo.cgi called with parameters: These are the parameters\r\n<p>"));
#endif
for (i = 0; i < count; i++) {
name = NutHttpGetParameterName(req, i);
value = NutHttpGetParameterValue(req, i);
/* Send the parameters back to the client. */
#ifdef __IMAGECRAFT__
fprintf(stream, "%s: %s<BR>\r\n", name, value);
#else
fprintf_P(stream, PSTR("%s: %s<BR>\r\n"), name, value);
#endif
}
} else {
time_t now;
tm loc_time;
/* Called without any parameter, show the current time */
now = time(NULL);
localtime_r(&now, &loc_time);
#ifdef __IMAGECRAFT__
fprintf(stream, "CGI ssi-demo.cgi called without any parameter.<br><br>Current time is: %02d.%02d.%04d -- %02d:%02d:%02d<br>\r\n",
loc_time.tm_mday, loc_time.tm_mon+1, loc_time.tm_year+1900, loc_time.tm_hour, loc_time.tm_min, loc_time.tm_sec);
#else
fprintf_P(stream, PSTR("CGI ssi-demo.cgi called without any parameter.<br><br>Current time is: %02d.%02d.%04d -- %02d:%02d:%02d<br>\r\n"),
loc_time.tm_mday, loc_time.tm_mon+1, loc_time.tm_year+1900, loc_time.tm_hour, loc_time.tm_min, loc_time.tm_sec);
#endif
}
fflush(stream);
return 0;
}
/*
* CGI Sample: Proccessing a form.
*
* This routine must have been registered by NutRegisterCgi() and is
* automatically called by NutHttpProcessRequest() when the client
* request the URL 'cgi-bin/form.cgi'.
*
* Thanks to Tom Boettger, who provided this sample for ICCAVR.
*/
int ShowForm(FILE * stream, REQUEST * req)
{
static prog_char html_head[] = "<HTML><BODY><BR><H1>Form Result</H1><BR><BR>";
static prog_char html_body[] = "<BR><BR><p><a href=\"../index.html\">return to main</a></BODY></HTML></p>";
NutHttpSendHeaderTop(stream, req, 200, "Ok");
NutHttpSendHeaderBottom(stream, req, html_mt, -1);
/* Send HTML header. */
fputs_P(html_head, stream);
if (req->req_query) {
char *name;
char *value;
int i;
int count;
count = NutHttpGetParameterCount(req);
/* Extract count parameters. */
for (i = 0; i < count; i++) {
name = NutHttpGetParameterName(req, i);
value = NutHttpGetParameterValue(req, i);
/* Send the parameters back to the client. */
#ifdef __IMAGECRAFT__
fprintf(stream, "%s: %s<BR>\r\n", name, value);
#else
fprintf_P(stream, PSTR("%s: %s<BR>\r\n"), name, value);
#endif
}
}
fputs_P(html_body, stream);
fflush(stream);
return 0;
}
int CgiNetIO( FILE * stream, REQUEST * req )
{
char *name = 0;
char *value = 0;
char tmp[100] = "";
if (req->req_query)
{
char *pname;
char *pvalue;
int i;
int count;
strncpy( tmp, req->req_query, sizeof(tmp)-1 );
count = NutHttpGetParameterCount(req);
/* Extract count parameters. */
for (i = 0; i < count; i++)
{
pname = NutHttpGetParameterName(req, i);
pvalue = NutHttpGetParameterValue(req, i);
/* Send the parameters back to the client. */
// fprintf_P(stream, PSTR("%s: %s<BR>\r\n"), pname, pvalue);
if( 0 == strcmp( pname, "name" ) ) name = pvalue;
if( 0 == strcmp( pname, "item" ) ) name = pvalue;
if( 0 == strcmp( pname, "val" ) ) value = pvalue;
if( 0 == strcmp( pname, "value" ) ) value = pvalue;
}
}
if( name == 0 )
{
//httpSendString( stream, "Error: must be 'name' and, possibly, 'value' parameters" );
// errmsg:
//NutHttpSendHeaderTop(stream, req, 500, "Must have ?name= or ?name=&value=, name: adc{0-7}, dig{0-63}, temp{0-7}");
web_header_200(stream, req);
static prog_char h1[] = "<HTML><body> Must have ?name= or ?name=&value=, name: adc{0-7}, temp{0-7}, q='%s' </body></HTML>";
fprintf_P( stream, h1, tmp );
return 0;
}
if( value )
{
// Write
int rc = setNamedParameter( name, value );
if( rc )
{
web_header_200(stream, req);
static prog_char h1[] = "<HTML><body>set %s rc=%d</body></HTML>";
fprintf_P(stream, h1, name, rc );
return 0;
}
httpSendString( stream, req, "Ok" );
notice_activity();
}
else
{
char *data = getNamedParameter( name );
if( data == 0 )
{
// goto errmsg;
web_header_200(stream, req);
static prog_char h1[] = "<HTML><body>no data for %s</body></HTML>";
fprintf_P(stream, h1, name );
return 0;
}
httpSendString( stream, req, data );
notice_activity();
}
return 0;
}
/*!
* \brief Get the value of a request parameter
*
* \param req Request object
* \param index Index to the requested parameter.
*
* \return Pointer to the parameter value at the given index,
* or NULL if index is out of range.
*/
char *NutHttpGetParameterValue(REQUEST * req, int index)
{
if (index < 0 || index >= NutHttpGetParameterCount(req))
return NULL;
return req->req_qptrs[index * 2 + 1];
}
