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OPTIMIZATION: Network and browser optimizations

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boreddevnl 2026-03-22 19:26:05 +01:00
parent ec2a9d1883
commit 5c199e028a
5 changed files with 138 additions and 29 deletions
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2
.gitattributes vendored
View file

@ -1,2 +0,0 @@
# Auto detect text files and perform LF normalization
* text=auto

7
src/net/network.c
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@ -224,7 +224,7 @@ int network_tcp_connect(const ipv4_address_t *ip, uint16_t port) {
uint32_t start = sys_now();
asm volatile("sti");
while (sys_now() - start < 5000) { // 5 second timeout
while (sys_now() - start < 15000) { // 15 second timeout
network_poll_internal();
if (tcp_connect_done) { asm volatile("cli"); network_processing = 0; return 0; }
if (tcp_connect_error) { asm volatile("cli"); network_processing = 0; return -1; }
@ -253,7 +253,7 @@ int network_tcp_recv(void *buf, size_t max_len) {
if (tcp_closed) { network_processing = 0; return 0; } // End of stream
uint32_t start = sys_now();
asm volatile("sti");
while (sys_now() - start < 5000) { // 5 second timeout
while (sys_now() - start < 30000) { // 30 second timeout
network_poll_internal();
if (tcp_recv_queue) break;
if (tcp_closed) break;
@ -281,7 +281,10 @@ int network_tcp_recv_nb(void *buf, size_t max_len) {
if (network_processing) return -1;
network_processing = 1;
network_poll_internal();
if (!tcp_recv_queue) {
if (tcp_closed) { network_processing = 0; return -2; }
network_processing = 0;
return 0;
}

3
src/sys/process.c
View file

@ -469,6 +469,9 @@ static void process_cleanup_inner(process_t *proc) {
extern void cmd_process_finished(void);
cmd_process_finished();
extern void network_cleanup(void);
network_cleanup();
extern void network_cleanup_pcb(void *pcb);
// TODO: We need per-process PCB tracking to call this safely
// For now, let's NOT call global network_cleanup

86
src/userland/gui/browser.c
View file

@ -280,18 +280,93 @@ static int fetch_content(const char *url, char *dest_buf, int max_len, bool prog
int total = 0;
int last_render = 0;
if (progressive) inc_parse_offset = 0;
long long last_data_tick = sys_system(16, 0, 0, 0, 0);
while (1) {
int len = sys_tcp_recv(dest_buf + total, max_len - 1 - total);
if (len <= 0) break;
int len = sys_tcp_recv_nb(dest_buf + total, max_len - 1 - total);
if (len < 0 && len != -2) break;
if (len == -2) break;
if (len == 0) {
long long now = sys_system(16, 0, 0, 0, 0);
if (now > last_data_tick + 1800) break; // 30 sec timeout
gui_event_t ev;
bool scrolled = false;
while (ui_get_event(win_browser, &ev)) {
if (ev.type == 9) { // GUI_EVENT_MOUSE_WHEEL
scroll_y += ev.arg1 * 20;
int max_scroll = total_content_height - (win_h - URL_BAR_H);
if (max_scroll < 0) max_scroll = 0;
if (scroll_y > max_scroll) scroll_y = max_scroll;
if (scroll_y < 0) scroll_y = 0;
scrolled = true;
} else if (ev.type == 12) { // GUI_EVENT_CLOSE
sys_exit(0);
}
}
if (scrolled) {
browser_paint();
ui_mark_dirty(win_browser, 0, 0, win_w, win_h);
}
sleep(10);
continue;
}
last_data_tick = sys_system(16, 0, 0, 0, 0);
total += len;
if (total >= max_len - 1) break;
dest_buf[total] = 0;
char *body = strstr(dest_buf, "\r\n\r\n");
if (body) {
char temp = body[0];
body[0] = 0; // Null-terminate headers
int expected = -1;
char *cl = str_istrstr(dest_buf, "Content-Length:");
if (cl) {
cl += 15;
while (*cl == ' ') cl++;
expected = 0;
while (*cl >= '0' && *cl <= '9') {
expected = expected * 10 + (*cl - '0');
cl++;
}
}
int is_chunked = 0;
char *te = str_istrstr(dest_buf, "Transfer-Encoding:");
if (te && str_istrstr(te, "chunked")) {
is_chunked = 1;
}
body[0] = temp; // Restore body
body += 4;
int body_len = total - (body - dest_buf);
if (expected != -1) {
if (body_len >= expected) break;
} else if (is_chunked) {
if (total >= 5 && dest_buf[total-5] == '0' && dest_buf[total-4] == '\r' &&
dest_buf[total-3] == '\n' && dest_buf[total-2] == '\r' && dest_buf[total-1] == '\n') {
break;
}
}
}
if (progressive && total - last_render > 32768) {
dest_buf[total] = 0;
char *body = strstr(dest_buf, "\r\n\r\n");
if (body) {
char temp = body[0];
body[0] = 0;
int is_chunked = strstr(dest_buf, "Transfer-Encoding: chunked") != NULL;
body[0] = temp;
body += 4;
if (!strstr(dest_buf, "Transfer-Encoding: chunked")) {
if (!is_chunked) {
int body_len = total - (body - dest_buf);
int safe_len = body_len;
while (safe_len > 0 && body[safe_len - 1] != '>') safe_len--;
@ -1436,7 +1511,9 @@ static void browser_paint(void) {
for (int i = 0; i < element_count; i++) {
RenderElement *el = &elements[i];
int draw_y = el->y - scroll_y + URL_BAR_H;
if (draw_y < URL_BAR_H - 400 || draw_y > win_h) continue;
int el_h = el->h;
if (el->tag == TAG_IMG && el->img_h > el_h) el_h = el->img_h;
if (draw_y + el_h < URL_BAR_H || draw_y > win_h) continue;
if (el->tag == TAG_IMG) {
uint32_t *pixels = el->img_pixels;
if (el->img_frames) pixels = el->img_frames[el->img_current_frame];
@ -1759,6 +1836,7 @@ int main(int argc, char **argv) {
if (c == 13 || c == 10) {
if (history_count < HISTORY_MAX) { int j=0; while(url_input_buffer[j]) { history_stack[history_count][j] = url_input_buffer[j]; j++; } history_stack[history_count][j] = 0; history_count++; }
navigate(url_input_buffer); scroll_y = 0;
needs_repaint = true;
}
else if (c == 19) { if (url_cursor > 0) url_cursor--; }
else if (c == 20) { int len = 0; while(url_input_buffer[len]) len++; if (url_cursor < len) url_cursor++; }

65
src/wm/font_manager.c
View file

@ -71,12 +71,13 @@ static int loaded_font_count = 0;
#define FONT_CACHE_SIZE 2048
typedef struct {
char c;
float pixel_height;
uint32_t codepoint;
float scale;
void *font;
int w, h, xoff, yoff;
unsigned char *bitmap;
} font_cache_entry_t;
static font_cache_entry_t font_cache[FONT_CACHE_SIZE] = {0};
bool font_manager_init(void) {
return true;
@ -200,20 +201,34 @@ void font_manager_render_char_scaled(ttf_font_t *font, int x, int y, uint32_t co
if (!font) font = default_font;
if (!font) return;
stbtt_fontinfo *info = (stbtt_fontinfo *)font->info;
uint32_t hash = (codepoint * 31 + (uint32_t)scale * 73) % FONT_CACHE_SIZE;
font_cache_entry_t *entry = &font_cache[hash];
unsigned char *bitmap = NULL;
int w, h, xoff, yoff;
float real_scale = stbtt_ScaleForPixelHeight(info, scale);
if (entry->bitmap && entry->codepoint == codepoint && entry->scale == scale && entry->font == font) {
bitmap = entry->bitmap;
w = entry->w; h = entry->h; xoff = entry->xoff; yoff = entry->yoff;
} else {
stbtt_fontinfo *info = (stbtt_fontinfo *)font->info;
float real_scale = stbtt_ScaleForPixelHeight(info, scale);
if (stbtt_FindGlyphIndex(info, codepoint) == 0 && fallback_font) {
info = (stbtt_fontinfo *)fallback_font->info;
real_scale = stbtt_ScaleForPixelHeight(info, scale);
if (stbtt_FindGlyphIndex(info, codepoint) == 0 && fallback_font) {
info = (stbtt_fontinfo *)fallback_font->info;
real_scale = stbtt_ScaleForPixelHeight(info, scale);
}
bitmap = stbtt_GetCodepointBitmap(info, 0, real_scale, codepoint, &w, &h, &xoff, &yoff);
if (entry->bitmap) stbtt_FreeBitmap(entry->bitmap, NULL);
entry->codepoint = codepoint;
entry->scale = scale;
entry->font = font;
entry->w = w; entry->h = h; entry->xoff = xoff; entry->yoff = yoff;
entry->bitmap = bitmap;
}
bitmap = stbtt_GetCodepointBitmap(info, 0, real_scale, codepoint, &w, &h, &xoff, &yoff);
if (bitmap) {
for (int row = 0; row < h; row++) {
for (int col = 0; col < w; col++) {
@ -226,7 +241,6 @@ void font_manager_render_char_scaled(ttf_font_t *font, int x, int y, uint32_t co
}
}
}
stbtt_FreeBitmap(bitmap, NULL);
}
}
@ -234,20 +248,34 @@ void font_manager_render_char_sloped(ttf_font_t *font, int x, int y, uint32_t co
if (!font) font = default_font;
if (!font) return;
stbtt_fontinfo *info = (stbtt_fontinfo *)font->info;
uint32_t hash = (codepoint * 31 + (uint32_t)scale * 73) % FONT_CACHE_SIZE;
font_cache_entry_t *entry = &font_cache[hash];
unsigned char *bitmap = NULL;
int w, h, xoff, yoff;
float real_scale = stbtt_ScaleForPixelHeight(info, scale);
if (entry->bitmap && entry->codepoint == codepoint && entry->scale == scale && entry->font == font) {
bitmap = entry->bitmap;
w = entry->w; h = entry->h; xoff = entry->xoff; yoff = entry->yoff;
} else {
stbtt_fontinfo *info = (stbtt_fontinfo *)font->info;
float real_scale = stbtt_ScaleForPixelHeight(info, scale);
if (stbtt_FindGlyphIndex(info, codepoint) == 0 && fallback_font) {
info = (stbtt_fontinfo *)fallback_font->info;
real_scale = stbtt_ScaleForPixelHeight(info, scale);
if (stbtt_FindGlyphIndex(info, codepoint) == 0 && fallback_font) {
info = (stbtt_fontinfo *)fallback_font->info;
real_scale = stbtt_ScaleForPixelHeight(info, scale);
}
bitmap = stbtt_GetCodepointBitmap(info, 0, real_scale, codepoint, &w, &h, &xoff, &yoff);
if (entry->bitmap) stbtt_FreeBitmap(entry->bitmap, NULL);
entry->codepoint = codepoint;
entry->scale = scale;
entry->font = font;
entry->w = w; entry->h = h; entry->xoff = xoff; entry->yoff = yoff;
entry->bitmap = bitmap;
}
bitmap = stbtt_GetCodepointBitmap(info, 0, real_scale, codepoint, &w, &h, &xoff, &yoff);
if (bitmap) {
for (int row = 0; row < h; row++) {
int slant_offset = (int)((h - row) * slope);
@ -262,7 +290,6 @@ void font_manager_render_char_sloped(ttf_font_t *font, int x, int y, uint32_t co
}
}
}
stbtt_FreeBitmap(bitmap, NULL);
}
}