通过 Socket 实现 HTTP 协议中的 GET 请求

echo json_encode($_GET, JSON_UNESCAPED_UNICODE);
 

// 发送个体请求
$host = '127.0.0.1';
$port = 8091;
if(($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === FALSE)
{
exit('初始化socket资源错误: ' . socket_strerror(socket_last_error()));
}
if(socket_connect($sock, $host, $port) === FALSE)
{
exit('连接socket失败: ' . socket_strerror(socket_last_error($sock)));
}
 
// 根据HTTP协议, 组装GET请求的数据
$msg = "GET /exercise/gate.php?method=get&type=socket&version=1.0&purpose=test HTTP/1.1\r\n";
$msg .= "Host: localhost:8091\r\n";
$msg .= "Connection: close\r\n";
// 第一个\r\n是请求首部换行，第二个\r\n是一个空行，表示请求头和请求体之间的分割空行。第三个\r\n表示请求体是空
$msg .= "Content-type: application/x-www-form-urlencoded; charset=utf-8\r\n\r\n\r\n";
 
if(socket_write($sock, $msg) === FALSE)
{
exit('发送数据失败: ' . socket_strerror(socket_last_error($sock)));
}
 
// 读取数据方式1
//$data = '';
//// 循环读取指定长度的服务器响应数据
//while($response = socket_read($sock, 4))
//{
// $data .= $response;
//}
 
// 读取数据方式2
$byteLen = socket_recv($sock, $data, 2048, MSG_WAITALL);
 
echo $byteLen . '<hr>';
echo $data;
socket_close($sock);

echo json_encode($_POST, JSON_UNESCAPED_UNICODE);

$host = 'localhost';
$port = 8091;
if(($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === FALSE)
{
exit('初始化socket资源错误: ' . socket_strerror(socket_last_error($sock)));
}
if(socket_connect($sock, $host, $port) === FALSE)
{
exit('连接socket失败: ' . socket_strerror(socket_last_error($sock)));
}
 
$data = [
'type' => 'socket',
'version' => '1.0',
'purpose' => 'test'
];
$data = http_build_query($data);
$msg = "POST /exercise/gate.php HTTP/1.1\r\n";
$msg .= "Host: localhost:8091\r\n";
$msg .= "Content-type: application/x-www-form-urlencoded; charset=utf-8\r\n";
$msg .= "Connection: close\r\n";
//$msg .= "Expect: 100-continue\r\n"; // 用于询问服务器是否接收客户端数据，服务器返回状态码：100 Continue时，表示接收客户端数据，可以继续发送数据
//请求体和请求头之间用一个空行进行分割
$msg .= "Content-Length: " . strlen($data) . "\r\n\r\n";
$msg .= $data;
 
 
 
// 先发送请求头，询问服务器是否接收客户端数据
if(socket_write($sock, $msg) === FALSE)
{
exit('发送数据失败: ' . socket_strerror(socket_last_error($sock)));
}
$response = '';
// 循环读取指定长度的服务器响应数据
while($info = socket_read($sock, 4))
{
$response .= $info;
}
echo $response . PHP_EOL;
socket_close($sock);

echo json_encode($_FILES, JSON_UNESCAPED_UNICODE);
move_uploaded_file($_FILES['uploadFile']['tmp_name'], './socket/http/test.jpg');D_UNICODE);

$host = 'localhost';
$port = 8091;
if(($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === FALSE)
{
exit('初始化socket资源错误: ' . socket_strerror(socket_last_error($sock)));
}
if(socket_connect($sock, $host, $port) === FALSE)
{
exit('连接socket失败: ' . socket_strerror(socket_last_error($sock)));
}
 
$file = file_get_contents('../488.jpg');
// 先构建请求体，便于后面计算请求体长度
$requestBody = "------abbox\r\n";
$requestBody .= "Content-Disposition: form-data; name=\"type\"\r\n\r\n";
 
$requestBody .= "socket\r\n";
$requestBody .="------abbox\r\n";
$requestBody .= "Content-Disposition: form-data; name=\"version\"\r\n\r\n";
 
$requestBody .= "1.0\r\n";
$requestBody .="------abbox\r\n";
$requestBody .= "Content-Disposition: form-data; name='uploadFile'; filename='测试文件.jpg'\r\n";
$requestBody .="Content-Type: image/jpeg\r\n\r\n"; // 不同文件类型的Content-Type设置可以参考：https://helpcdn.aliyun.com/knowledge_detail/39522.html
 
$requestBody .= $file . "\r\n";
$requestBody .= "------abbox--";
 
$length = strlen($requestBody);
 
$requestHeader = "POST /exercise/gate.php HTTP/1.1\r\n";
$requestHeader .= "Host: 127.0.0.1:8091\r\n";
$requestHeader .= "Cache-Control: no-cache\r\n";
$requestHeader .= "Content-Length: {$length}\r\n"; // Content-Length 请求体长度不可省略
$requestHeader .= "Connection: close\r\n";
$requestHeader .= "Content-Type:multipart/form-data; boundary=----abbox\r\n\r\n";
 
$request = $requestHeader . $requestBody;
 
if(socket_write($sock, $request) === FALSE)
{
exit('发送数据失败: ' . socket_strerror(socket_last_error($sock)));
}
$data = '';
// 循环读取指定长度的服务器响应数据
while($response = socket_read($sock, 4))
{
$data .= $response;
}
echo $data . PHP_EOL;
socket_close($sock);