ESPTerm - ESP8266 terminal emulator. Branches: [master] patches, [work] next release
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espterm-firmware/user/cgi_term_cfg.c

130 lines
3.2 KiB

/*
Cgi/template routines for configuring non-wifi settings
*/
#include <esp8266.h>
#include <httpdespfs.h>
#include "cgi_term_cfg.h"
#include "persist.h"
#include "screen.h"
#include "helpers.h"
#include "cgi_logging.h"
#include "uart_driver.h"
#include "serial.h"
#define SET_REDIR_SUC "/cfg/term"
#define SET_REDIR_ERR SET_REDIR_SUC"?err="
/**
* Universal CGI endpoint to set Terminal params.
*/
httpd_cgi_state ICACHE_FLASH_ATTR
cgiTermCfgSetParams(HttpdConnData *connData)
{
char buff[50];
char redir_url_buf[100];
ScreenNotifyTopics topics = 0;
char *redir_url = redir_url_buf;
redir_url += sprintf(redir_url, SET_REDIR_ERR);
// we'll test if anything was printed by looking for \0 in redir_url
SystemConfigBundle *sysconf_backup = malloc(sizeof(SystemConfigBundle));
TerminalConfigBundle *termconf_backup = malloc(sizeof(TerminalConfigBundle));
memcpy(sysconf_backup, sysconf, sizeof(SystemConfigBundle));
memcpy(termconf_backup, termconf, sizeof(TerminalConfigBundle));
if (connData->conn == NULL) {
//Connection aborted. Clean up.
return HTTPD_CGI_DONE;
}
#define XSTRUCT termconf
#define X XSET_CGI_FUNC
XTABLE_TERMCONF
#undef X
#undef XSTRUCT
// width and height must always go together so we can do max size validation
u32 siz = termconf->width*termconf->height;
if (siz == 0 || siz > MAX_SCREEN_SIZE) {
cgi_warn("Bad dimensions: %d x %d (total %d)", termconf->width, termconf->height, termconf->width*termconf->height);
redir_url += sprintf(redir_url, "term_width,term_height,");
}
// Settings from SysConf - UART
bool uart_changed = false;
// restrict what keys are allowed
#define admin 0
#define tpl 0
#define XSTRUCT sysconf
#define X XSET_CGI_FUNC
XTABLE_SYSCONF
#undef X
#undef XSTRUCT
(void)redir_url;
if (redir_url_buf[strlen(SET_REDIR_ERR)] == 0) {
// All was OK
info("Set term params - success, saving...");
persist_store();
bool shall_clear_screen = false;
shall_clear_screen |= (termconf_backup->width != termconf->width);
shall_clear_screen |= (termconf_backup->height != termconf->height);
shall_clear_screen |= (termconf_backup->ascii_debug != termconf->ascii_debug);
if (shall_clear_screen) {
terminal_apply_settings();
} else {
terminal_apply_settings_noclear();
}
if (uart_changed) {
sysconf_apply_settings();
}
// Trigger a full reload
screen_notifyChange(TOPIC_INITIAL);
httpdRedirect(connData, SET_REDIR_SUC "?msg=Settings%20saved%20and%20applied.");
} else {
cgi_warn("Some settings did not validate, asking for correction");
memcpy(sysconf, sysconf_backup, sizeof(SystemConfigBundle));
memcpy(termconf, termconf_backup, sizeof(TerminalConfigBundle));
// Some errors, appended to the URL as ?err=
httpdRedirect(connData, redir_url_buf);
}
free(sysconf_backup);
free(termconf_backup);
return HTTPD_CGI_DONE;
}
httpd_cgi_state ICACHE_FLASH_ATTR
tplTermCfg(HttpdConnData *connData, char *token, void **arg)
{
#define BUFLEN 100 // large enough for backdrop
char buff[BUFLEN];
if (token == NULL) {
// We're done
return HTTPD_CGI_DONE;
}
strcpy(buff, ""); // fallback
#define XSTRUCT termconf
#define X XGET_CGI_FUNC
XTABLE_TERMCONF
#undef X
#undef XSTRUCT
tplSend(connData, buff, -1);
return HTTPD_CGI_DONE;
}