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1.1 misho 1: --TEST--
2: mysqli_fetch_array() - large packages (to test compression)
3: --SKIPIF--
4: <?php
5: require_once('skipif.inc');
6: require_once('skipifconnectfailure.inc');
7: ?>
8: --FILE--
9: <?php
10: require_once("connect.inc");
11:
12: function mysqli_fetch_array_large($offset, $link, $package_size) {
13:
14: /* we are aiming for maximum compression to test MYSQLI_CLIENT_COMPRESS */
15: $random_char = str_repeat('a', 255);
16: $sql = "INSERT INTO test(label) VALUES ";
17:
18: while (strlen($sql) < ($package_size - 259))
19: $sql .= sprintf("('%s'), ", $random_char);
20:
21: $sql = substr($sql, 0, -2);
22: $len = strlen($sql);
23: assert($len < $package_size);
24:
25: if (!@mysqli_query($link, $sql)) {
26: if (1153 == mysqli_errno($link) || 2006 == mysqli_errno($link) || stristr(mysqli_error($link), 'max_allowed_packet'))
27: /*
28: myslqnd - [1153] Got a packet bigger than 'max_allowed_packet' bytes
29: libmysql -[2006] MySQL server has gone away
30: */
31: return false;
32:
33: printf("[%03d + 1] len = %d, [%d] %s\n", $offset, $len, mysqli_errno($link), mysqli_error($link));
34: return false;
35: }
36:
37: /* buffered result set - let's hope we do not run into PHP memory limit... */
38: if (!$res = mysqli_query($link, "SELECT id, label FROM test")) {
39: printf("[%03d + 2] len = %d, [%d] %s\n", $offset, $len, mysqli_errno($link), mysqli_error($link));
40: return false;
41: }
42:
43: while ($row = mysqli_fetch_assoc($res)) {
44: if ($row['label'] != $random_char) {
45: printf("[%03d + 3] Wrong results - expecting '%s' got '%s', len = %d, [%d] %s\n",
46: $offset, $random_char, $row['label'], $len, mysqli_errno($link), mysqli_error($link));
47: return false;
48: }
49: }
50: mysqli_free_result($res);
51:
52: if (!$stmt = mysqli_prepare($link, "SELECT id, label FROM test")) {
53: printf("[%03d + 4] len = %d, [%d] %s\n", $offset, $len, mysqli_errno($link), mysqli_error($link));
54: return false;
55: }
56:
57: /* unbuffered result set */
58: if (!mysqli_stmt_execute($stmt)) {
59: printf("[%03d + 5] len = %d, [%d] %s, [%d] %s\n", $offset, $len, mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt), mysqli_errno($link), mysqli_error($link));
60: return false;
61: }
62:
63: $id = $label = NULL;
64: if (!mysqli_stmt_bind_result($stmt, $id, $label)) {
65: printf("[%03d + 6] len = %d, [%d] %s, [%d] %s\n", $offset, $len, mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt), mysqli_errno($link), mysqli_error($link));
66: return false;
67: }
68:
69: while (mysqli_stmt_fetch($stmt)) {
70: if ($label != $random_char) {
71: printf("[%03d + 7] Wrong results - expecting '%s' got '%s', len = %d, [%d] %s\n",
72: $offset, $random_char, $label, $len, mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
73: return false;
74: }
75: }
76:
77: mysqli_stmt_free_result($stmt);
78: mysqli_stmt_close($stmt);
79:
80: return true;
81: }
82:
83: function parse_memory_limit($limit) {
84:
85: $val = trim($limit);
86: $last = strtolower($val[strlen($val)-1]);
87:
88: switch($last) {
89: // The 'G' modifier is available since PHP 5.1.0
90: case 'g':
91: $val *= 1024;
92: case 'm':
93: $val *= 1024;
94: case 'k':
95: $val *= 1024;
96: default:
97: break;
98: }
99: return $val;
100: }
101:
102:
103: function test_fetch($host, $user, $passwd, $db, $port, $socket, $engine, $flags = null) {
104:
105: $link = mysqli_init();
106: if (!my_mysqli_real_connect($link, $host, $user, $passwd, $db, $port, $socket, $flags)) {
107: printf("[001] Cannot connect to the server using host=%s, user=%s, passwd=***, dbname=%s, port=%s, socket=%s\n",
108: $host, $user, $db, $port, $socket);
109: return false;
110: }
111:
112: if (!mysqli_query($link, "DROP TABLE IF EXISTS test") ||
113: !mysqli_query($link, sprintf("CREATE TABLE test(id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, label VARCHAR(255)) ENGINE = %s", $engine))) {
114: printf("[002] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
115: return false;
116: }
117:
118: $package_size = 524288;
119: $offset = 3;
120: $limit = (ini_get('memory_limit') > 0) ? parse_memory_limit(ini_get('memory_limit')) : pow(2, 32);
121:
122: /* try to respect php.ini but make run time a soft limit */
123: $max_runtime = (ini_get('max_execution_time') > 0) ? ini_get('max_execution_time') : 30;
124: set_time_limit(0);
125:
126: do {
127: if ($package_size > $limit) {
128: printf("stop: memory limit - %s vs. %s\n", $package_size, $limit);
129: break;
130: }
131:
132: $start = microtime(true);
133: if (!mysqli_fetch_array_large($offset++, $link, $package_size)) {
134: printf("stop: packet size - %d\n", $package_size);
135: break;
136: }
137:
138: $duration = microtime(true) - $start;
139: $max_runtime -= $duration;
140: if ($max_runtime < ($duration * 3)) {
141: /* likely the next iteration will not be within max_execution_time */
142: printf("stop: time limit - %2.2fs\n", $max_runtime);
143: break;
144: }
145:
146: $package_size += $package_size;
147:
148: } while (true);
149:
150:
151: mysqli_close($link);
152: return true;
153: }
154:
155:
156: test_fetch($host, $user, $passwd, $db, $port, $socket, $engine, null);
157: test_fetch($host, $user, $passwd, $db, $port, $socket, $engine, MYSQLI_CLIENT_COMPRESS);
158: print "done!";
159: ?>
160: --CLEAN--
161: <?php
162: require_once("clean_table.inc");
163: ?>
164: --EXPECTF--
165: stop: %s
166: stop: %s
167: done!