fix: handle epollhup properly
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Quinten
parent
2d6543fb5a
commit
7432cd154c
@ -1,3 +1,177 @@
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<?php
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// CGI Capabilities Demonstration Script
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header("Content-Type: text/html; charset=UTF-8");
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>CGI Capabilities Demo</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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max-width: 1200px;
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margin: 0 auto;
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padding: 20px;
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background-color: #f5f5f5;
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}
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.container {
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background: white;
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border-radius: 8px;
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padding: 20px;
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margin: 20px 0;
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box-shadow: 0 2px 4px rgba(0,0,0,0.1);
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}
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h1 { color: #333; text-align: center; }
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h2 { color: #666; border-bottom: 2px solid #eee; padding-bottom: 5px; }
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table { width: 100%; border-collapse: collapse; margin: 10px 0; }
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th, td { padding: 8px; border: 1px solid #ddd; text-align: left; }
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th { background-color: #f8f9fa; font-weight: bold; }
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tr:nth-child(even) { background-color: #f8f9fa; }
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.success { color: #28a745; font-weight: bold; }
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.info { background-color: #d1ecf1; padding: 10px; border-radius: 4px; margin: 10px 0; }
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.code { background-color: #f8f9fa; padding: 10px; border-radius: 4px; font-family: monospace; }
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</style>
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</head>
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<body>
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<h1>🚀 CGI Capabilities Demonstration</h1>
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<div class="info">
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<strong>CGI Status:</strong> <span class="success">✅ PHP CGI is working!</span><br>
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<strong>Execution Time:</strong> <?php echo date('Y-m-d H:i:s'); ?><br>
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<strong>PHP Version:</strong> <?php echo phpversion(); ?>
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</div>
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<div class="container">
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<h2>📊 Server Information</h2>
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<table>
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<tr><th>Property</th><th>Value</th></tr>
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<tr><td>Server Software</td><td><?php echo $_SERVER['SERVER_SOFTWARE'] ?? 'Unknown'; ?></td></tr>
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<tr><td>Server Name</td><td><?php echo $_SERVER['SERVER_NAME'] ?? 'localhost'; ?></td></tr>
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<tr><td>Server Port</td><td><?php echo $_SERVER['SERVER_PORT'] ?? 'Unknown'; ?></td></tr>
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<tr><td>Document Root</td><td><?php echo $_SERVER['DOCUMENT_ROOT'] ?? 'Unknown'; ?></td></tr>
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<tr><td>Script Name</td><td><?php echo $_SERVER['SCRIPT_NAME'] ?? 'Unknown'; ?></td></tr>
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<tr><td>Gateway Interface</td><td><?php echo $_SERVER['GATEWAY_INTERFACE'] ?? 'Unknown'; ?></td></tr>
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</table>
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</div>
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<div class="container">
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<h2>🌐 HTTP Request Information</h2>
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<table>
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<tr><th>Property</th><th>Value</th></tr>
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<tr><td>Request Method</td><td><?php echo $_SERVER['REQUEST_METHOD'] ?? 'Unknown'; ?></td></tr>
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<tr><td>Request URI</td><td><?php echo $_SERVER['REQUEST_URI'] ?? 'Unknown'; ?></td></tr>
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<tr><td>Query String</td><td><?php echo $_SERVER['QUERY_STRING'] ?? 'None'; ?></td></tr>
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<tr><td>Content Type</td><td><?php echo $_SERVER['CONTENT_TYPE'] ?? 'Not specified'; ?></td></tr>
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<tr><td>Content Length</td><td><?php echo $_SERVER['CONTENT_LENGTH'] ?? 'Not specified'; ?></td></tr>
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<tr><td>User Agent</td><td><?php echo $_SERVER['HTTP_USER_AGENT'] ?? 'Unknown'; ?></td></tr>
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<tr><td>Remote Address</td><td><?php echo $_SERVER['REMOTE_ADDR'] ?? 'Unknown'; ?></td></tr>
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<tr><td>Remote Host</td><td><?php echo $_SERVER['REMOTE_HOST'] ?? 'Unknown'; ?></td></tr>
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</table>
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</div>
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<div class="container">
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<h2>🔧 CGI Environment Variables</h2>
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<table>
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<tr><th>Variable</th><th>Value</th></tr>
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<?php
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$cgi_vars = [
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'PATH_INFO', 'PATH_TRANSLATED', 'SCRIPT_NAME', 'SCRIPT_FILENAME',
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'SERVER_NAME', 'SERVER_PORT', 'SERVER_PROTOCOL', 'SERVER_SOFTWARE',
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'GATEWAY_INTERFACE', 'REQUEST_METHOD', 'CONTENT_TYPE', 'CONTENT_LENGTH',
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'HTTP_ACCEPT', 'HTTP_ACCEPT_ENCODING', 'HTTP_ACCEPT_LANGUAGE',
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'HTTP_CONNECTION', 'HTTP_HOST', 'HTTP_USER_AGENT'
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];
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foreach ($cgi_vars as $var) {
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$value = $_SERVER[$var] ?? 'Not set';
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echo "<tr><td>{$var}</td><td>" . htmlspecialchars($value) . "</td></tr>";
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}
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?>
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</table>
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</div>
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<div class="container">
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<h2>📝 Form Processing Demo</h2>
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<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
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<p>
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<label for="name">Name:</label>
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<input type="text" id="name" name="name" value="<?php echo htmlspecialchars($_POST['name'] ?? ''); ?>">
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</p>
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<p>
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<label for="message">Message:</label>
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<textarea id="message" name="message" rows="3" cols="50"><?php echo htmlspecialchars($_POST['message'] ?? ''); ?></textarea>
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</p>
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<p>
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<input type="submit" value="Submit via CGI">
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</p>
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</form>
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<?php if ($_SERVER['REQUEST_METHOD'] === 'POST' && !empty($_POST['name'])): ?>
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<div class="info">
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<strong>✅ Form Submitted Successfully!</strong><br>
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<strong>Name:</strong> <?php echo htmlspecialchars($_POST['name']); ?><br>
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<strong>Message:</strong> <?php echo htmlspecialchars($_POST['message']); ?><br>
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<strong>Submitted at:</strong> <?php echo date('Y-m-d H:i:s'); ?>
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</div>
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<?php endif; ?>
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</div>
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<div class="container">
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<h2>🔍 Raw POST Data</h2>
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<?php
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$raw_post = file_get_contents('php://input');
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if (!empty($raw_post)):
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?>
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<div class="code">
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<strong>Raw POST Data:</strong><br>
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<?php echo htmlspecialchars($raw_post); ?>
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</div>
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<?php else: ?>
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<p><em>No POST data received. Submit the form above to see raw POST data.</em></p>
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<?php endif; ?>
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</div>
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<div class="container">
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<h2>⚡ Performance Test</h2>
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<?php
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$start_time = microtime(true);
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// Simulate some work
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$result = 0;
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for ($i = 0; $i < 100000; $i++) {
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$result += sqrt($i);
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}
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$end_time = microtime(true);
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$execution_time = ($end_time - $start_time) * 1000; // Convert to milliseconds
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?>
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<p>✅ Computed square roots of numbers 0-99,999</p>
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<p><strong>Execution time:</strong> <?php echo number_format($execution_time, 2); ?> ms</p>
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<p><strong>Memory usage:</strong> <?php echo number_format(memory_get_usage() / 1024, 2); ?> KB</p>
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<p><strong>Peak memory:</strong> <?php echo number_format(memory_get_peak_usage() / 1024, 2); ?> KB</p>
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</div>
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<div class="container">
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<h2>📋 All Environment Variables</h2>
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<table>
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<tr><th>Variable</th><th>Value</th></tr>
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<?php
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ksort($_SERVER);
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foreach ($_SERVER as $key => $value) {
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if (is_string($value)) {
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echo "<tr><td>" . htmlspecialchars($key) . "</td><td>" . htmlspecialchars($value) . "</td></tr>";
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}
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}
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?>
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</table>
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</div>
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<footer style="text-align: center; margin-top: 40px; padding: 20px; color: #666;">
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<p>🔧 Generated by PHP CGI at <?php echo date('Y-m-d H:i:s'); ?></p>
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<p>This page demonstrates various CGI capabilities including environment variable access, form processing, and performance testing.</p>
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</footer>
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</body>
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</html>
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phpinfo();
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@ -134,6 +134,8 @@ void Client::writeToCgi()
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Log::debug("Wrote " + std::to_string(bytesWritten)
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+ " bytes to CGI stdin, fd: " + std::to_string(cgiStdIn_->getFd()));
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}
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server_.remove(*cgiStdIn_);
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cgiStdIn_ = nullptr;
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}
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void Client::readFromCgi()
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@ -156,13 +158,14 @@ void Client::readFromCgi()
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Log::info("CGI process closed stdout, fd: " + std::to_string(cgiStdOut_->getFd()));
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server_.remove(*cgiStdOut_);
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cgiStdOut_ = nullptr;
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httpResponse_->addHeader("Content-Type", "text/html");
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httpResponse_->setComplete();
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return;
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}
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else
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{
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buffer[bytesRead] = '\0'; // NOLINT(cppcoreguidelines-pro-bounds-constant-array-index)
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httpResponse_->addHeader("Content-Type", "text/html");
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httpResponse_->setBody(std::string(buffer, static_cast<size_t>(bytesRead)));
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httpResponse_->appendBody(std::string(buffer, static_cast<size_t>(bytesRead)));
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Log::debug("Read " + std::to_string(bytesRead)
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+ " bytes from CGI stdout, fd: " + std::to_string(cgiStdOut_->getFd()));
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}
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@ -164,7 +164,6 @@ void Server::handleRequest(struct epoll_event *event) const
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Log::trace(LOCATION);
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int client_fd = event->data.fd;
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Client &client = getClient(client_fd);
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client.getSocket(client_fd).callback();
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}
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@ -192,14 +191,32 @@ void Server::handleResponse(struct epoll_event *event)
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// disconnect(client);
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}
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void Server::handleEpollHangUp(struct epoll_event *event)
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{
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Client &client = getClient(event->data.fd);
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ASocket &socket = client.getSocket(event->data.fd);
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if (socket.getType() == ASocket::Type::CGI_SOCKET)
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{
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Log::info("CGI socket hang up on fd " + std::to_string(event->data.fd));
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socket.callback();
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return;
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}
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Log::warning("Epoll hang up on fd " + std::to_string(event->data.fd) + ": " + std::strerror(errno));
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}
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void Server::handleEvent(struct epoll_event *event)
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{
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Log::trace(LOCATION);
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if ((event->events & EPOLLERR) > 0 || (event->events & EPOLLHUP) > 0)
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if ((event->events & EPOLLERR) > 0)
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{
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Log::error("Epoll error on fd " + std::to_string(event->data.fd) + ": " + std::strerror(errno));
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remove(getListener(event->data.fd));
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close(event->data.fd);
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return;
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}
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if ((event->events & EPOLLHUP) > 0)
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{
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handleEpollHangUp(event);
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}
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else if (listener_fds_.contains(event->data.fd))
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{
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@ -217,7 +234,7 @@ void Server::handleEvent(struct epoll_event *event)
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void Server::handleEpoll(struct epoll_event *events, int max_events)
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{
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int nfds = epoll_wait(epoll_fd_, events, max_events, 0); // NOLINT
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int nfds = epoll_wait(epoll_fd_, events, max_events, 10); // NOLINT
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if (nfds == -1)
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{
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Log::error("epoll_wait failed");
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@ -247,6 +264,5 @@ void Server::run()
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{
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pollClients();
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handleEpoll(events, MAX_EVENTS);
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// usleep(1000);
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}
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}
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@ -52,6 +52,7 @@ class Server
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void pollClients() const;
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void handleEpoll(struct epoll_event *events, int max_events);
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void handleEpollHangUp(struct epoll_event *event);
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void handleEvent(struct epoll_event *event);
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void handleConnection(struct epoll_event *event);
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void handleRequest(struct epoll_event *event) const;
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