masakielastic

<?php

function H2FrameIter(string $chunk): Generator {
    $chunk_size = strlen($chunk);
    $index = 0;
    $next = 0;

    while (true) {
        if ($next > $chunk_size || $next + 3 > $chunk_size) {
            break;

masakielastic

from http.server import HTTPServer, CGIHTTPRequestHandler
import ssl

def run(host, port, ctx, handler):
    server = HTTPServer((host, port), handler)
    server.socket = ctx.wrap_socket(server.socket)
    print('Server Starts - %s:%s' % (host, port))

    try:
        server.serve_forever()

masakielastic

def h2frames(name):
    frames = {
        'pri': b'PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n',
        'settings': b'\x00\x00\x0C' \
                    b'\x04' \
                    b'\x00' \
                    b'\x00\x00\x00\x00) \
                    b'\x00\x02\x00\x00\x00\x00' \
                    b'\x00\x03\x00\x00\x00\x64',
        'ack': b'\x00\x00\x00' \

masakielastic

def h2frames(name)
  frames = {
    'pri' => "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n",
    'settings' => "\x00\x00\x0C" +
                  "\x04" +
                  "\x00" +
                  "\x00\x00\x00\x00" +
                  "\x00\x02\x00\x00\x00\x00" +
                  "\x00\x03\x00\x00\x00\x64",
     'ack' => "\x00\x00\x00" +

masakielastic

<?php

function dump($chunk, $name) {
    var_dump(
        $name,
        [
            'size' => strlen($chunk),
            'hex' => bin2hex($chunk)
        ]
    );

masakielastic

Output (Go 1.22.3)

C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF D0 D1 D2 D3 D4
D5 D6 D7 D8 D9 DA DB DC DD DE DF E0 E1 E2 E3 E4 E5 E6 E7 E8 E9
EA EB EC ED EE EF F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF

masakielastic

<?php

$x = FFI::new('int');
$x->cdata = 5;

var_dump(
    5 === $x->cdata
);

masakielastic

/* hpack extension for PHP */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "php.h"
#include "ext/standard/info.h"
#include "php_hpack.h"
#include "hpack_arginfo.h"

masakielastic

#include <stdio.h>
#include <nghttp2/nghttp2.h>

// https://nghttp2.org/documentation/tutorial-hpack.html

#define MAKE_NV(K, V)                                                          \
  {                                                                            \
    (uint8_t *)K, (uint8_t *)V, sizeof(K) - 1, sizeof(V) - 1,                  \
        NGHTTP2_NV_FLAG_NONE                                                   \
  }

masakielastic

<?php

count_unsafe_chars('cp932');

function roundtrip($char, $enc) {
    return mb_convert_encoding(mb_convert_encoding($char, 'utf-8', $enc), $enc, 'utf-8');
}

function tohexupper($char) {
    return strtoupper(bin2hex($char));