SpriteHTTPD - embedded HTTP server with read-only filesystem and templating, originally developed for ESP8266, now stand-alone and POSIX compatible.
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spritehttpd/demo/server_demo.c

152 lines
3.1 KiB

#include <stdio.h>
#include <signal.h>
#include <unistd.h>
#include "httpd.h"
#include "httpd-utils.h"
#include "cgi-espfs.h"
extern unsigned char espfs_image[];
extern unsigned int espfs_image_len;
httpd_thread_handle_t *s_serverHandle = NULL;
struct SharedData {
int visits;
};
static struct SharedData shared = {};
struct RequestData {
int counter;
};
/** "About" page */
httpd_cgi_state templateReplacer(HttpdConnData *conn, const char *token)
{
struct RequestData *rd;
if (!token) {
if (conn->userData) {
httpdPlatFree(conn->userData);
conn->userData = NULL;
}
return HTTPD_CGI_DONE;
}
if (!conn->userData) {
rd = httpdPlatMalloc(sizeof(struct RequestData));
conn->userData = rd;
rd->counter = 0;
shared.visits++;
} else {
rd = conn->userData;
}
char buf[100];
if (streq(token, "visits")) {
sprintf(buf, "%d", shared.visits);
tplSend(conn, buf);
}
else if (streq(token, "html1")) {
tplSend(conn, "<a href=\"foo\">foo</a>");
}
else if (streq(token, "html2")) {
tplSend(conn, "<a href=\"bar\">bar</a>");
}
else if (streq(token, "json1")) {
tplSend(conn, "\"hello\":\"foo<angle>'' and backslash\\ \" also crlf \r\n");
}
else if (streq(token, "multipart")) {
if (rd->counter < 100) {
sprintf(buf, "HELLO %d, ", rd->counter);
tplSend(conn, buf);
rd->counter++;
return HTTPD_CGI_MORE;
}
tplSend(conn, "and that's it.");
}
else {
return HTTPD_CGI_NOTFOUND;
}
return HTTPD_CGI_DONE;
}
//
//int httpdGetCookie(HttpdConnData *conn, const char *name, char *buff, size_t buffLen)
//{
// httpdGetHeader(conn, "Cookie", )
//}
//
//httpd_cgi_state cgiStartSession(HttpdConnData *conn)
//{
//
//
// return HTTPD_CGI_NOTFOUND;
//}
/**
* Application routes
*/
const HttpdBuiltInUrl routes[] = {
// TODO password lock ...
// ROUTE_CGI("*", cgiStartSession),
// --- Web pages ---
// ROUTE_TPL_FILE("/", tplIndex, "/index.tpl"),
ROUTE_FILE("/", "index.html"),
ROUTE_TPL_FILE("/tpl", templateReplacer, "template.tpl.txt"),
ROUTE_FILESYSTEM(),
ROUTE_END(),
};
void sigpipe_handler(int signum)
{
(void) signum;
}
void handle_sigint(int signum)
{
(void) signum;
fprintf(stderr, " SIGINT detected, shutting down HTTPD\n");
httpdShutdown(s_serverHandle);
}
int main(void)
{
struct sigaction action;
memset(&action, 0, sizeof(action));
action.sa_handler = handle_sigint;
sigaction(SIGINT, &action, NULL);
// prevent abort on sigpipe
sigaction(SIGPIPE, &(struct sigaction) {{sigpipe_handler},.sa_mask={}}, NULL);
struct httpd_options opts = {
.port = 8080,
};
s_serverHandle = httpdStart(routes, &opts);
httpdSetName("SpriteHTTPD Server Demo");
httpdJoin(s_serverHandle);
return 0;
}
int httpdPlatEspfsRead(void *dest, size_t offset, size_t len)
{
if (offset + len > espfs_image_len) {
return -1;
}
memcpy(dest, &espfs_image[offset], len);
return 0;
}