void init_dateform(void)
{
auto int var, form;
static FormVar dateform[7];
/*
* Set up the date form. To set up your own form you follow a
* similar set of steps. First call sspec_addform. Then add
* the variables creating the variable and adding it to the form.
* If you want to restrict the values of the variables you can
* use the sspec_setfvlen, sspec_setfvrange, or define a custom
* validation function with sspec_fvcheck.
*/
form = sspec_addform("date.html", dateform, 7, SERVER_HTTP);
// Set the title of the form
sspec_setformtitle(form, "Set Date");
var = sspec_addvariable("hour", &hour, INT16, "%02d", SERVER_HTTP);
var = sspec_addfv(form, var);
sspec_setfvname(form, var, "Hour");
sspec_setfvlen(form, var, 2);
sspec_setfvrange(form, var, 0, 24);
var = sspec_addvariable("minute", &minute, INT16, "%02d", SERVER_HTTP);
var = sspec_addfv(form, var);
sspec_setfvname(form, var, "Minute");
sspec_setfvlen(form, var, 2);
sspec_setfvrange(form, var, 0, 60);
var = sspec_addvariable("second", &second, INT16, "%02d", SERVER_HTTP);
var = sspec_addfv(form, var);
sspec_setfvname(form, var, "Second");
sspec_setfvlen(form, var, 2);
sspec_setfvrange(form, var, 0, 60);
var = sspec_addvariable("month", &month, INT16, "%02d", SERVER_HTTP);
var = sspec_addfv(form, var);
sspec_setfvname(form, var, "month");
sspec_setfvlen(form, var, 2);
sspec_setfvrange(form, var, 0, 12);
var = sspec_addvariable("day", &day, INT16, "%02d", SERVER_HTTP);
var = sspec_addfv(form, var);
sspec_setfvname(form, var, "day");
sspec_setfvlen(form, var, 2);
sspec_setfvrange(form, var, 0, 31);
var = sspec_addvariable("year", &year, INT16, "%04d", SERVER_HTTP);
var = sspec_addfv(form, var);
sspec_setfvname(form, var, "year");
sspec_setfvlen(form, var, 4);
sspec_setfvrange(form, var, MY_FIRST_YEAR_SETTING, MY_FINAL_YEAR_SETTING);
/*
* lock_date sets a flag that disables the automatic updating
* of the hour, minute, second, month, day, and year variables.
* The prolog gets called after the form is parsed correctly,
* but before the variables are updated. The set_date function
* gets called after the variables are updated. The lock_date
* function is necessary because the update_date function in
* main could be called between the time the variables are
* updated and the prolog completes its processing.
*/
var = sspec_addfunction("lock_date", lock_date, SERVER_HTTP);
sspec_setformprolog(form, var);
var = sspec_addfunction("set_date", set_date, SERVER_HTTP);
sspec_setformepilog(form, var);
}
void main(void)
{
// Declare the FormVar array to hold form variable information
auto FormVar myform[5];
auto int var;
auto int form;
// This array lists the options that are possible for the fail variable
static const char* fail_options[] = {
"Email",
"Page",
"Email and page",
"Nothing"
};
// Initialize variables
temphi = 80;
tempnow = 72;
templo = 65;
humidity = 0.3;
strcpy(fail, "Page");
// Add the form (array of variables)
form = sspec_addform("myform.html", myform, 5, SERVER_HTTP);
// Set the title of the form
sspec_setformtitle(form, "ACME Thermostat Settings");
// Add the first variable, and set it up with the form
var = sspec_addvariable("temphi", &temphi, INT16, "%d", SERVER_HTTP);
var = sspec_addfv(form, var);
sspec_setfvname(form, var, "High Temp");
sspec_setfvdesc(form, var, "Maximum in temperature range (60 - 90 °F)");
sspec_setfvlen(form, var, 5);
sspec_setfvrange(form, var, 60, 90);
sspec_setfvcheck(form, var, checkHighTemp);
// Add the second variable, and set it up with the form
var = sspec_addvariable("tempnow", &tempnow, INT16, "%d", SERVER_HTTP);
var = sspec_addfv(form, var);
sspec_setfvname(form, var, "Current Temp");
sspec_setfvdesc(form, var, "Current temperature in °F");
sspec_setfvlen(form, var, 5);
sspec_setfvreadonly(form, var, 1);
// Add the third variable, and set it up with the form
var = sspec_addvariable("templo", &templo, INT16, "%d", SERVER_HTTP);
var = sspec_addfv(form, var);
sspec_setfvname(form, var, "Low Temp");
sspec_setfvdesc(form, var, "Minimum in temperature range (50 - 80 °F)");
sspec_setfvlen(form, var, 5);
sspec_setfvrange(form, var, 50, 80);
sspec_setfvcheck(form, var, checkLowTemp);
// Add the fourth variable, and set it up with the form
var = sspec_addvariable("failure", fail, PTR16, "%s", SERVER_HTTP);
var = sspec_addfv(form, var);
sspec_setfvname(form, var, "Failure Action");
sspec_setfvdesc(form, var, "Action to take in case of air-conditioning failure");
sspec_setfvlen(form, var, 20);
sspec_setfvoptlist(form, var, fail_options, 4);
sspec_setfventrytype(form, var, HTML_FORM_PULLDOWN);
// Add the fifth variable, and set it up with the form
var = sspec_addvariable("humidity", &humidity, FLOAT32, "%.2f", SERVER_HTTP);
var = sspec_addfv(form, var);
sspec_setfvname(form, var, "Humidity");
sspec_setfvdesc(form, var, "Target humidity (between 0.0 and 1.0)");
sspec_setfvlen(form, var, 8);
sspec_setfvfloatrange(form, var, 0.0, 1.0);
// Create aliases for this form. This allows the form to be accessed from
// other locations.
sspec_aliasspec(form, "index.html");
sspec_aliasspec(form, "/");
// Start network and wait for interface to come up (or error exit).
sock_init_or_exit(1);
http_init();
tcp_reserveport(80);
while (1) {
http_handler();
}
}