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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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86
src/userland/gui/browser.c
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@@ -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++; }