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Keep all baked assets in one place

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kamkow1
2025-06-10 00:19:02 +02:00
parent f864f92d94
commit fbe749a13e
9 changed files with 140 additions and 150 deletions
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56
baked.c
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@ -1,10 +1,56 @@
#define INCBIN_PREFIX
#define INCBIN_STYLE INCBIN_STYLE_SNAKE
#include <sys/mman.h>
#include "gebs/gebs.h"
#include "incbin/incbin.h"
#include "stb/stb_ds.h"
#include "baked.h"
INCBIN(gpp1, "gpp1");
INCBIN(gpp1, "./gpp1");
INCBIN(home_t, "./tmpls/home.t");
INCBIN(page_missing_t, "./tmpls/page-missing.t");
INCBIN(simple_min_css, "./etc/simple.min.css");
INCBIN(favicon_ico, "./etc/favicon.ico");
Baked_Resource *baked_resources = NULL;
void add_baked_resource(char *key, const uchar *data, size_t size)
{
int fd = memfd_create(key, 0);
if (fd < 0) {
LOGE("Could not create resource %s. Aborting...\n", key);
abort();
}
write(fd, data, size);
shput(baked_resources, key, fd);
}
void init_baked_resources(void)
{
add_baked_resource("home.t", home_t_data, home_t_size);
add_baked_resource("page-missing.t", page_missing_t_data, page_missing_t_size);
add_baked_resource("gpp1", gpp1_data, gpp1_size);
add_baked_resource("simple.min.css", simple_min_css_data, simple_min_css_size);
add_baked_resource("favicon.ico", favicon_ico_data, favicon_ico_size);
}
void free_baked_resources(void)
{
for (size_t i = 0; i < shlen(baked_resources); i++) {
close(baked_resources[i].value);
}
shfree(baked_resources);
}
bool get_baked_resource_path(char *key, char *buf, size_t size)
{
if (shgeti(baked_resources, key) != -1) {
int fd = shget(baked_resources, key);
snprintf(buf, size, "/proc/%d/fd/%d", getpid(), fd);
return true;
}
return false;
}
INCBIN(tmpl_home, "./tmpls/home.t");
INCBIN(tmpl_page_missing, "./tmpls/page-missing.t");

18
baked.h
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@ -1,13 +1,23 @@
#ifndef BAKED_H_
#define BAKED_H_
#define INCBIN_PREFIX
#define INCBIN_STYLE INCBIN_STYLE_SNAKE
#include "incbin/incbin.h"
INCBIN_EXTERN(gpp1);
INCBIN_EXTERN(tmpl_home);
INCBIN_EXTERN(tmpl_page_missing);
INCBIN_EXTERN(home_t);
INCBIN_EXTERN(page_missing_t);
INCBIN_EXTERN(simple_min_css);
INCBIN_EXTERN(favicon_ico);
typedef struct {
char *key; // path
int value; // memfd
} Baked_Resource;
void init_baked_resources(void);
void free_baked_resources(void);
bool get_baked_resource_path(char *key, char *buf, size_t size);
#endif // BAKED_H_

12
build.c
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@ -17,8 +17,6 @@ int main(int argc, char ** argv)
"./main.c",
"./routes.c",
"./baked.c",
"./gpp.c",
"./tmpls.c",
"./mongoose.o",
"./gpp1"
) {
@ -36,11 +34,13 @@ int main(int argc, char ** argv)
}
#if DEBUG
CMD("cc", "-ggdb", "-I.", "-D_GNU_SOURCE", "-DGEBS_NO_PREFIX", "-o", "./aboba",
"./main.c", "./routes.c", "./baked.c", "./gpp.c", "./tmpls.c", "./mongoose.o");
CMD("cc", "-ggdb", "-I.", "-D_GNU_SOURCE", "-DGEBS_NO_PREFIX",
"-DINCBIN_PREFIX=", "-DINCBIN_STYLE=INCBIN_STYLE_SNAKE", "-o", "./aboba",
"./main.c", "./routes.c", "./baked.c", "./mongoose.o");
#else
CMD("cc", "-I.", "-D_GNU_SOURCE", "-DGEBS_NO_PREFIX", "-o", "./aboba",
"./main.c", "./routes.c", "./baked.c", "./gpp.c", "./tmpls.c", "./mongoose.o");
CMD("cc", "-I.", "-D_GNU_SOURCE", "-DGEBS_NO_PREFIX",
"-DINCBIN_PREFIX=", "-DINCBIN_STYLE=INCBIN_STYLE_SNAKE", "-o", "./aboba",
"./main.c", "./routes.c", "./baked.c", "./mongoose.o");
#endif
}
} else if (strcmp(cmd, "clean") == 0) {

43
gpp.c
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@ -1,43 +0,0 @@
#include <sys/mman.h>
#include "gebs/gebs.h"
#include "gpp.h"
#include "baked.h"
int gpp_fd;
void gpp_init(void)
{
gpp_fd = memfd_create("gpp-binary", 0);
if (gpp_fd < 0) {
LOGE("Could not create gpp_fd. Aborting...");
abort();
}
write(gpp_fd, gpp1_data, gpp1_size);
}
void gpp_deinit(void)
{
close(gpp_fd);
}
bool gpp_run(char *path, NString_List *env, String_Builder *out)
{
Cmd cmd = {0};
defer { cmd_free(&cmd); }
cmd_append(&cmd, "gpp1");
cmd_append(&cmd, "-H");
cmd_append(&cmd, "-x");
cmd_append(&cmd, "--nostdinc");
cmd_append(&cmd, path);
for (size_t i = 0; i < env->count; i++) {
cmd_append(&cmd, env->items[i]);
}
return cmd_fd_run_collect(gpp_fd, &cmd, out) == 0;
}

12
gpp.h
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@ -1,12 +0,0 @@
#ifndef GPPH_H_
#define GPPH_H_
#include "gebs/gebs.h"
extern int gpp_fd;
void gpp_init(void);
void gpp_deinit(void);
bool gpp_run(char *path, NString_List *env, String_Builder *out);
#endif // GPPH_H_

9
main.c
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@ -9,8 +9,7 @@
#include "stb/stb_ds.h"
#include "routes.h"
#include "gpp.h"
#include "tmpls.h"
#include "baked.h"
typedef void (*Route_Handler)(struct mg_connection *conn, struct mg_http_message *msg);
@ -44,8 +43,7 @@ static void init_route_hashtable(void)
int main(int argc, char ** argv)
{
gpp_init();
tmpls_init();
init_baked_resources();
mg_log_set(MG_LL_DEBUG);
struct mg_mgr mgr;
@ -62,8 +60,7 @@ int main(int argc, char ** argv)
mg_mgr_free(&mgr);
shfree(route_hashtable);
tmpls_deinit();
gpp_deinit();
free_baked_resources();
return 0;
}

76
routes.c
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@ -2,8 +2,32 @@
#include "mongoose/mongoose.h"
#include "routes.h"
#include "gpp.h"
#include "tmpls.h"
#include "baked.h"
#define INTERNAL_SERVER_ERROR_MSG "Internal server error ;(. Try again later..."
bool gpp_run(char *path, NString_List *env, String_Builder *out)
{
Cmd cmd = {0};
defer { cmd_free(&cmd); }
char gpp1[PATH_MAX];
if (!get_baked_resource_path("gpp1", gpp1, sizeof(gpp1))) {
return false;
}
cmd_append(&cmd, gpp1);
cmd_append(&cmd, "-H");
cmd_append(&cmd, "-x");
cmd_append(&cmd, "--nostdinc");
cmd_append(&cmd, path);
for (size_t i = 0; i < env->count; i++) {
cmd_append(&cmd, env->items[i]);
}
return cmd_run_collect(&cmd, out) == 0;
}
void route_page_not_found(struct mg_connection *conn, struct mg_http_message *msg)
{
@ -16,13 +40,16 @@ void route_page_not_found(struct mg_connection *conn, struct mg_http_message *ms
defer { sb_free(&out); }
char path[PATH_MAX] = {0};
tmpl_get_path_by_key(TMPL_PAGE_MISSING, path, sizeof(path));
if (!get_baked_resource_path("page-missing.t", path, sizeof(path))) {
mg_http_reply(conn, 500, "Content-Type: text/plain\r\n", INTERNAL_SERVER_ERROR_MSG);
return;
}
bool ok = gpp_run(path, &env, &out);
sb_finish(&out);
if (!ok) {
mg_http_reply(conn, 500, "Content-Type: text/html\r\n", "Internal server error ;(");
mg_http_reply(conn, 500, "Content-Type: text/plain\r\n", INTERNAL_SERVER_ERROR_MSG);
} else {
mg_http_reply(conn, 404, "Content-Type: text/html\r\n", out.items);
}
@ -30,14 +57,40 @@ void route_page_not_found(struct mg_connection *conn, struct mg_http_message *ms
void route_simple_css(struct mg_connection *conn, struct mg_http_message *msg)
{
struct mg_http_serve_opts opts = { 0 };
mg_http_serve_file(conn, msg, "./assets/simple.min.css", &opts);
char path[PATH_MAX] = {0};
if (!get_baked_resource_path("simple.min.css", path, sizeof(path))) {
mg_http_reply(conn, 500, "Content-Type: text/plain\r\n", INTERNAL_SERVER_ERROR_MSG);
return;
}
String_Builder sb = {0};
defer { sb_free(&sb); }
if (!sb_read_file(&sb, path)) {
mg_http_reply(conn, 500, "Content-Type: text/plain\r\n", INTERNAL_SERVER_ERROR_MSG);
return;
}
sb_finish(&sb);
mg_http_reply(conn, 200, "Content-Type: text/css\r\n", "%s", sb.items);
}
void route_favicon(struct mg_connection *conn, struct mg_http_message *msg)
{
struct mg_http_serve_opts opts = { 0 };
mg_http_serve_file(conn, msg, "./assets/favicon.ico", &opts);
char path[PATH_MAX] = {0};
if (!get_baked_resource_path("favicon.ico", path, sizeof(path))) {
mg_http_reply(conn, 500, "Content-Type: text/plain\r\n", INTERNAL_SERVER_ERROR_MSG);
return;
}
String_Builder sb = {0};
defer { sb_free(&sb); }
if (!sb_read_file(&sb, path)) {
mg_http_reply(conn, 500, "Content-Type: text/plain\r\n", INTERNAL_SERVER_ERROR_MSG);
return;
}
sb_finish(&sb);
mg_http_reply(conn, 200, "Content-Type: image/x-icon\r\n", "%s", sb.items);
}
void route_home(struct mg_connection *conn, struct mg_http_message *msg)
@ -49,13 +102,16 @@ void route_home(struct mg_connection *conn, struct mg_http_message *msg)
defer { sb_free(&out); }
char path[PATH_MAX] = {0};
tmpl_get_path_by_key(TMPL_HOME, path, sizeof(path));
if (!get_baked_resource_path("home.t", path, sizeof(path))) {
mg_http_reply(conn, 500, "Content-Type: text/plain\r\n", INTERNAL_SERVER_ERROR_MSG);
return;
}
bool ok = gpp_run(path, &env, &out);
sb_finish(&out);
if (!ok) {
mg_http_reply(conn, 500, "Content-Type: text/html\r\n", "Internal server error ;(");
mg_http_reply(conn, 500, "Content-Type: text/plain\r\n", INTERNAL_SERVER_ERROR_MSG);
} else {
mg_http_reply(conn, 200, "Content-Type: text/html\r\n", out.items);
}

46
tmpls.c
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@ -1,46 +0,0 @@
#include <sys/mman.h>
#include <fcntl.h>
#include "gebs/gebs.h"
#include "stb/stb_ds.h"
#include "tmpls.h"
#include "baked.h"
Template *tmpls = NULL;
void create_tmpl(char *name, const unsigned char *data, size_t size)
{
int fd = memfd_create(name, 0);
if (fd < 0) {
LOGE("Could not create file for template %s. Aborting...\n", name);
abort();
}
write(fd, data, size);
shput(tmpls, name, fd);
}
void tmpls_init(void)
{
create_tmpl(TMPL_HOME, tmpl_home_data, tmpl_home_size);
create_tmpl(TMPL_PAGE_MISSING, tmpl_page_missing_data, tmpl_page_missing_size);
}
void tmpls_deinit(void)
{
for (size_t i = 0; i < shlen(tmpls); i++) {
close(tmpls[i].value);
}
shfree(tmpls);
}
void tmpl_get_path_by_key(char *key, char *buf, size_t size)
{
// Check first since we can't have a default value here
if (shgeti(tmpls, key) != -1) {
int fd = shget(tmpls, key);
snprintf(buf, size, "/proc/%d/fd/%d", getpid(), fd);
}
}

18
tmpls.h
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@ -1,18 +0,0 @@
#ifndef TMPLS_H_
#define TMPLS_H_
#define TMPL_HOME "home.t"
#define TMPL_PAGE_MISSING "page-missing.t"
typedef struct {
char *key;
int value;
} Template;
extern Template *tmpls;
void tmpls_init(void);
void tmpls_deinit(void);
void tmpl_get_path_by_key(char *key, char *buf, size_t size);
#endif // TMPLS_H_