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124 lines
3 KiB
PHP
124 lines
3 KiB
PHP
<?php declare(strict_types=1);
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function http_server_skipif() {
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if (!function_exists('pcntl_fork')) die('skip pcntl_fork() not available');
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if (!function_exists('posix_kill')) die('skip posix_kill() not available');
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if (!stream_socket_server('tcp://localhost:0')) die('skip stream_socket_server() failed');
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}
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function http_server_init(&$output = null) {
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pcntl_alarm(60);
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$server = stream_socket_server('tcp://localhost:0', $errno, $errstr);
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if (!$server) {
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return false;
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}
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if ($output === null) {
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$output = tmpfile();
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if ($output === false) {
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return false;
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}
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}
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$pid = pcntl_fork();
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if ($pid == -1) {
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die('could not fork');
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} else if ($pid) {
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return [
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'pid' => $pid,
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'uri' => 'http://' . stream_socket_get_name($server, false),
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];
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}
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return $server;
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}
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/* Minimal HTTP server with predefined responses.
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*
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* $socket_string is the socket to create and listen on (e.g. tcp://127.0.0.1:1234)
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* $files is an iterable of files or callable generator yielding files.
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* containing N responses for N expected requests. Server dies after N requests.
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* $output is a stream on which everything sent by clients is written to
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*/
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function http_server($files, &$output = null) {
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if (!is_resource($server = http_server_init($output))) {
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return $server;
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}
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if (is_callable($files)) {
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$files = $files($server);
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}
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foreach($files as $file) {
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$sock = stream_socket_accept($server);
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if (!$sock) {
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exit(1);
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}
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// read headers
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$content_length = 0;
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stream_set_blocking($sock, false);
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while (!feof($sock)) {
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list($r, $w, $e) = array(array($sock), null, null);
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if (!stream_select($r, $w, $e, 1)) continue;
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$line = stream_get_line($sock, 8192, "\r\n");
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if ($line === '') {
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fwrite($output, "\r\n");
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break;
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} else if ($line !== false) {
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fwrite($output, "$line\r\n");
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if (preg_match('#^Content-Length\s*:\s*([[:digit:]]+)\s*$#i', $line, $matches)) {
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$content_length = (int) $matches[1];
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}
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}
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}
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stream_set_blocking($sock, true);
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// read content
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if ($content_length > 0) {
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stream_copy_to_stream($sock, $output, $content_length);
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}
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// send response
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$fd = fopen($file, 'rb');
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stream_copy_to_stream($fd, $sock);
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fclose($sock);
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}
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exit(0);
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}
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function http_server_sleep($micro_seconds = 500000)
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{
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if (!is_resource($server = http_server_init($output))) {
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return $server;
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}
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$sock = stream_socket_accept($server);
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if (!$sock) {
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exit(1);
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}
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usleep($micro_seconds);
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fclose($sock);
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exit(0);
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}
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function http_server_kill(int $pid) {
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posix_kill($pid, SIGTERM);
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pcntl_waitpid($pid, $status);
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}
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